diff options
Diffstat (limited to 'gst/effectv')
28 files changed, 6412 insertions, 0 deletions
diff --git a/gst/effectv/Makefile.am b/gst/effectv/Makefile.am new file mode 100644 index 0000000..d09111d --- /dev/null +++ b/gst/effectv/Makefile.am @@ -0,0 +1,36 @@ +plugin_LTLIBRARIES = libgsteffectv.la + +libgsteffectv_la_SOURCES = \ + gsteffectv.c gstedge.c gstaging.c gstdice.c gstwarp.c \ + gstshagadelic.c gstvertigo.c gstrev.c gstquark.c gstop.c \ + gstradioac.c gststreak.c gstripple.c +libgsteffectv_la_CFLAGS = \ + $(GST_PLUGINS_BASE_CFLAGS) \ + $(GST_BASE_CFLAGS) \ + $(GST_CFLAGS) \ + -I$(top_srcdir)/gst/videofilter +libgsteffectv_la_LIBADD = \ + $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_API_VERSION@ \ + $(GST_BASE_LIBS) \ + $(GST_LIBS) \ + $(LIBM) +libgsteffectv_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) +libgsteffectv_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS) + +noinst_HEADERS = gsteffectv.h gstaging.h gstdice.h gstedge.h \ + gstquark.h gstrev.h gstshagadelic.h gstvertigo.h gstwarp.h gstop.h \ + gstradioac.h gststreak.h gstripple.h + +Android.mk: Makefile.am $(BUILT_SOURCES) + androgenizer \ + -:PROJECT libgsteffectv -:SHARED libgsteffectv \ + -:TAGS eng debug \ + -:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \ + -:SOURCES $(libgsteffectv_la_SOURCES) \ + -:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgsteffectv_la_CFLAGS) \ + -:LDFLAGS $(libgsteffectv_la_LDFLAGS) \ + $(libgsteffectv_la_LIBADD) \ + -ldl \ + -:PASSTHROUGH LOCAL_ARM_MODE:=arm \ + LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \ + > $@ diff --git a/gst/effectv/Makefile.in b/gst/effectv/Makefile.in new file mode 100755 index 0000000..c21ddb0 --- /dev/null +++ b/gst/effectv/Makefile.in @@ -0,0 +1,1026 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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0000000..c6bfa11 --- /dev/null +++ b/gst/effectv/gstaging.c @@ -0,0 +1,402 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2003> David Schleef <ds@schleef.org> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * AgingTV - film-aging effect. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-agingtv + * + * AgingTV ages a video stream in realtime, changes the colors and adds + * scratches and dust. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! agingtv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of agingtv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> +#include <math.h> + +#include "gstaging.h" +#include "gsteffectv.h" + +static const gint dx[8] = { 1, 1, 0, -1, -1, -1, 0, 1 }; +static const gint dy[8] = { 0, -1, -1, -1, 0, 1, 1, 1 }; + +enum +{ + PROP_0 = 0, + PROP_SCRATCH_LINES, + PROP_COLOR_AGING, + PROP_PITS, + PROP_DUSTS +}; + +#define DEFAULT_SCRATCH_LINES 7 +#define DEFAULT_COLOR_AGING TRUE +#define DEFAULT_PITS TRUE +#define DEFAULT_DUSTS TRUE + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR }") +#endif + +static GstStaticPadTemplate gst_agingtv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_agingtv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +G_DEFINE_TYPE (GstAgingTV, gst_agingtv, GST_TYPE_VIDEO_FILTER); + +static void +coloraging (guint32 * src, guint32 * dest, gint video_area, gint * c) +{ + guint32 a, b; + gint i; + gint c_tmp = *c; + + c_tmp -= (gint) (fastrand ()) >> 28; + if (c_tmp < 0) + c_tmp = 0; + if (c_tmp > 0x18) + c_tmp = 0x18; + + for (i = 0; i < video_area; i++) { + a = *src++; + b = (a & 0xfcfcfc) >> 2; + *dest++ = + a - b + (c_tmp | (c_tmp << 8) | (c_tmp << 16)) + + ((fastrand () >> 8) & 0x101010); + } + *c = c_tmp; +} + + +static void +scratching (scratch * scratches, gint scratch_lines, guint32 * dest, gint width, + gint height) +{ + gint i, y, y1, y2; + guint32 *p, a, b; + scratch *scratch; + + for (i = 0; i < scratch_lines; i++) { + scratch = &scratches[i]; + + if (scratch->life) { + scratch->x = scratch->x + scratch->dx; + + if (scratch->x < 0 || scratch->x > width * 256) { + scratch->life = 0; + break; + } + p = dest + (scratch->x >> 8); + if (scratch->init) { + y1 = scratch->init; + scratch->init = 0; + } else { + y1 = 0; + } + scratch->life--; + if (scratch->life) { + y2 = height; + } else { + y2 = fastrand () % height; + } + for (y = y1; y < y2; y++) { + a = *p & 0xfefeff; + a += 0x202020; + b = a & 0x1010100; + *p = a | (b - (b >> 8)); + p += width; + } + } else { + if ((fastrand () & 0xf0000000) == 0) { + scratch->life = 2 + (fastrand () >> 27); + scratch->x = fastrand () % (width * 256); + scratch->dx = ((int) fastrand ()) >> 23; + scratch->init = (fastrand () % (height - 1)) + 1; + } + } + } +} + +static void +dusts (guint32 * dest, gint width, gint height, gint * dust_interval, + gint area_scale) +{ + gint i, j; + gint dnum; + gint d, len; + guint x, y; + + if (*dust_interval == 0) { + if ((fastrand () & 0xf0000000) == 0) { + *dust_interval = fastrand () >> 29; + } + return; + } + dnum = area_scale * 4 + (fastrand () >> 27); + + for (i = 0; i < dnum; i++) { + x = fastrand () % width; + y = fastrand () % height; + d = fastrand () >> 29; + len = fastrand () % area_scale + 5; + for (j = 0; j < len; j++) { + dest[y * width + x] = 0x101010; + y += dy[d]; + x += dx[d]; + + if (y >= height || x >= width) + break; + + d = (d + fastrand () % 3 - 1) & 7; + } + } + *dust_interval = *dust_interval - 1; +} + +static void +pits (guint32 * dest, gint width, gint height, gint area_scale, + gint * pits_interval) +{ + gint i, j; + gint pnum, size, pnumscale; + guint x, y; + + pnumscale = area_scale * 2; + if (*pits_interval) { + pnum = pnumscale + (fastrand () % pnumscale); + + *pits_interval = *pits_interval - 1; + } else { + pnum = fastrand () % pnumscale; + + if ((fastrand () & 0xf8000000) == 0) { + *pits_interval = (fastrand () >> 28) + 20; + } + } + for (i = 0; i < pnum; i++) { + x = fastrand () % (width - 1); + y = fastrand () % (height - 1); + + size = fastrand () >> 28; + + for (j = 0; j < size; j++) { + x = x + fastrand () % 3 - 1; + y = y + fastrand () % 3 - 1; + + if (y >= height || x >= width) + break; + + dest[y * width + x] = 0xc0c0c0; + } + } +} + +static void +gst_agingtv_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstAgingTV *agingtv = GST_AGINGTV (object); + + GST_OBJECT_LOCK (agingtv); + switch (prop_id) { + case PROP_SCRATCH_LINES: + g_value_set_uint (value, agingtv->scratch_lines); + break; + case PROP_COLOR_AGING: + g_value_set_boolean (value, agingtv->color_aging); + break; + case PROP_PITS: + g_value_set_boolean (value, agingtv->pits); + break; + case PROP_DUSTS: + g_value_set_boolean (value, agingtv->dusts); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } + GST_OBJECT_UNLOCK (agingtv); +} + +static void +gst_agingtv_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstAgingTV *agingtv = GST_AGINGTV (object); + + switch (prop_id) { + case PROP_SCRATCH_LINES: + agingtv->scratch_lines = g_value_get_uint (value); + break; + case PROP_COLOR_AGING: + agingtv->color_aging = g_value_get_boolean (value); + break; + case PROP_PITS: + agingtv->pits = g_value_get_boolean (value); + break; + case PROP_DUSTS: + agingtv->dusts = g_value_get_boolean (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static gboolean +gst_agingtv_start (GstBaseTransform * trans) +{ + GstAgingTV *agingtv = GST_AGINGTV (trans); + + agingtv->coloraging_state = 0x18; + agingtv->dust_interval = 0; + agingtv->pits_interval = 0; + + memset (agingtv->scratches, 0, sizeof (agingtv->scratches)); + + return TRUE; +} + +static GstFlowReturn +gst_agingtv_transform_frame (GstVideoFilter * filter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstAgingTV *agingtv = GST_AGINGTV (filter); + gint area_scale; + GstClockTime timestamp, stream_time; + gint width, height, stride, video_size; + guint32 *src, *dest; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (filter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (agingtv, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (agingtv), stream_time); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + stride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0); + video_size = stride * height / 4; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + area_scale = width * height / 64 / 480; + if (area_scale <= 0) + area_scale = 1; + + if (agingtv->color_aging) + coloraging (src, dest, video_size, &agingtv->coloraging_state); + else + memcpy (dest, src, video_size); + + scratching (agingtv->scratches, agingtv->scratch_lines, dest, width, height); + if (agingtv->pits) + pits (dest, width, height, area_scale, &agingtv->pits_interval); + if (area_scale > 1 && agingtv->dusts) + dusts (dest, width, height, &agingtv->dust_interval, area_scale); + + return GST_FLOW_OK; +} + +static void +gst_agingtv_class_init (GstAgingTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_agingtv_set_property; + gobject_class->get_property = gst_agingtv_get_property; + + g_object_class_install_property (gobject_class, PROP_SCRATCH_LINES, + g_param_spec_uint ("scratch-lines", "Scratch Lines", + "Number of scratch lines", 0, SCRATCH_MAX, DEFAULT_SCRATCH_LINES, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + g_object_class_install_property (gobject_class, PROP_COLOR_AGING, + g_param_spec_boolean ("color-aging", "Color Aging", + "Color Aging", DEFAULT_COLOR_AGING, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + g_object_class_install_property (gobject_class, PROP_PITS, + g_param_spec_boolean ("pits", "Pits", + "Pits", DEFAULT_PITS, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + g_object_class_install_property (gobject_class, PROP_DUSTS, + g_param_spec_boolean ("dusts", "Dusts", + "Dusts", DEFAULT_DUSTS, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + gst_element_class_set_static_metadata (gstelement_class, "AgingTV effect", + "Filter/Effect/Video", + "AgingTV adds age to video input using scratches and dust", + "Sam Lantinga <slouken@devolution.com>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_agingtv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_agingtv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_agingtv_start); + + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_agingtv_transform_frame); +} + +static void +gst_agingtv_init (GstAgingTV * agingtv) +{ + agingtv->scratch_lines = DEFAULT_SCRATCH_LINES; + agingtv->color_aging = DEFAULT_COLOR_AGING; + agingtv->pits = DEFAULT_PITS; + agingtv->dusts = DEFAULT_DUSTS; +} diff --git a/gst/effectv/gstaging.h b/gst/effectv/gstaging.h new file mode 100644 index 0000000..52466d1 --- /dev/null +++ b/gst/effectv/gstaging.h @@ -0,0 +1,89 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2003> David Schleef <ds@schleef.org> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * AgingTV - film-aging effect. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_AGING_H__ +#define __GST_AGING_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_AGINGTV \ + (gst_agingtv_get_type()) +#define GST_AGINGTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AGINGTV,GstAgingTV)) +#define GST_AGINGTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AGINGTV,GstAgingTVClass)) +#define GST_IS_AGINGTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AGINGTV)) +#define GST_IS_AGINGTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AGINGTV)) + +typedef struct _scratch +{ + gint life; + gint x; + gint dx; + gint init; +} scratch; +#define SCRATCH_MAX 20 + +typedef struct _GstAgingTV GstAgingTV; +typedef struct _GstAgingTVClass GstAgingTVClass; + +struct _GstAgingTV +{ + GstVideoFilter videofilter; + + /* < private > */ + gboolean color_aging; + gboolean pits; + gboolean dusts; + + gint coloraging_state; + + scratch scratches[SCRATCH_MAX]; + gint scratch_lines; + + gint dust_interval; + gint pits_interval; + +}; + +struct _GstAgingTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_agingtv_get_type (void); + +G_END_DECLS + +#endif /* __GST_AGING_H__ */ + diff --git a/gst/effectv/gstdice.c b/gst/effectv/gstdice.c new file mode 100644 index 0000000..7c90b66 --- /dev/null +++ b/gst/effectv/gstdice.c @@ -0,0 +1,315 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * dice.c: a 'dicing' effect + * copyright (c) 2001 Sam Mertens. This code is subject to the provisions of + * the GNU Library Public License. + * + * I suppose this looks similar to PuzzleTV, but it's not. The screen is + * divided into small squares, each of which is rotated either 0, 90, 180 or + * 270 degrees. The amount of rotation for each square is chosen at random. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-dicetv + * + * DiceTV 'dices' the screen up into many small squares, each defaulting + * to a size of 16 pixels by 16 pixels.. Each square is rotated randomly + * in one of four directions: up (no change), down (180 degrees, or + * upside down), right (90 degrees clockwise), or left (90 degrees + * counterclockwise). The direction of each square normally remains + * consistent between each frame. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! dicetv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of dicetv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> + +#include "gstdice.h" +#include "gsteffectv.h" + +#define DEFAULT_CUBE_BITS 4 +#define MAX_CUBE_BITS 5 +#define MIN_CUBE_BITS 0 + +typedef enum _dice_dir +{ + DICE_UP = 0, + DICE_RIGHT = 1, + DICE_DOWN = 2, + DICE_LEFT = 3 +} DiceDir; + +#define gst_dicetv_parent_class parent_class +G_DEFINE_TYPE (GstDiceTV, gst_dicetv, GST_TYPE_VIDEO_FILTER); + +static void gst_dicetv_create_map (GstDiceTV * filter, GstVideoInfo * info); + +static GstStaticPadTemplate gst_dicetv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }")) + ); + +static GstStaticPadTemplate gst_dicetv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }")) + ); + +enum +{ + PROP_0, + PROP_CUBE_BITS +}; + +static gboolean +gst_dicetv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstDiceTV *filter = GST_DICETV (vfilter); + + g_free (filter->dicemap); + filter->dicemap = + (guint8 *) g_malloc (GST_VIDEO_INFO_WIDTH (in_info) * + GST_VIDEO_INFO_WIDTH (in_info)); + gst_dicetv_create_map (filter, in_info); + + return TRUE; +} + +static GstFlowReturn +gst_dicetv_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstDiceTV *filter = GST_DICETV (vfilter); + guint32 *src, *dest; + gint i, map_x, map_y, map_i, base, dx, dy, di; + gint video_stride, g_cube_bits, g_cube_size; + gint g_map_height, g_map_width; + GstClockTime timestamp, stream_time; + const guint8 *dicemap; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + src = (guint32 *) GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = (guint32 *) GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + video_stride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0); + + GST_OBJECT_LOCK (filter); + g_cube_bits = filter->g_cube_bits; + g_cube_size = filter->g_cube_size; + g_map_height = filter->g_map_height; + g_map_width = filter->g_map_width; + + dicemap = filter->dicemap; + video_stride /= 4; + + map_i = 0; + for (map_y = 0; map_y < g_map_height; map_y++) { + for (map_x = 0; map_x < g_map_width; map_x++) { + base = (map_y << g_cube_bits) * video_stride + (map_x << g_cube_bits); + + switch (dicemap[map_i]) { + case DICE_UP: + for (dy = 0; dy < g_cube_size; dy++) { + i = base + dy * video_stride; + for (dx = 0; dx < g_cube_size; dx++) { + dest[i] = src[i]; + i++; + } + } + break; + case DICE_LEFT: + for (dy = 0; dy < g_cube_size; dy++) { + i = base + dy * video_stride; + + for (dx = 0; dx < g_cube_size; dx++) { + di = base + (dx * video_stride) + (g_cube_size - dy - 1); + dest[di] = src[i]; + i++; + } + } + break; + case DICE_DOWN: + for (dy = 0; dy < g_cube_size; dy++) { + di = base + dy * video_stride; + i = base + (g_cube_size - dy - 1) * video_stride + g_cube_size; + for (dx = 0; dx < g_cube_size; dx++) { + i--; + dest[di] = src[i]; + di++; + } + } + break; + case DICE_RIGHT: + for (dy = 0; dy < g_cube_size; dy++) { + i = base + (dy * video_stride); + for (dx = 0; dx < g_cube_size; dx++) { + di = base + dy + (g_cube_size - dx - 1) * video_stride; + dest[di] = src[i]; + i++; + } + } + break; + default: + g_assert_not_reached (); + break; + } + map_i++; + } + } + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static void +gst_dicetv_create_map (GstDiceTV * filter, GstVideoInfo * info) +{ + gint x, y, i; + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (info); + height = GST_VIDEO_INFO_HEIGHT (info); + + if (width <= 0 || height <= 0) + return; + + filter->g_map_height = height >> filter->g_cube_bits; + filter->g_map_width = width >> filter->g_cube_bits; + filter->g_cube_size = 1 << filter->g_cube_bits; + + i = 0; + + for (y = 0; y < filter->g_map_height; y++) { + for (x = 0; x < filter->g_map_width; x++) { + // dicemap[i] = ((i + y) & 0x3); /* Up, Down, Left or Right */ + filter->dicemap[i] = (fastrand () >> 24) & 0x03; + i++; + } + } +} + +static void +gst_dicetv_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) +{ + GstDiceTV *filter = GST_DICETV (object); + + switch (prop_id) { + case PROP_CUBE_BITS: + GST_OBJECT_LOCK (filter); + filter->g_cube_bits = g_value_get_int (value); + gst_dicetv_create_map (filter, &GST_VIDEO_FILTER (filter)->in_info); + GST_OBJECT_UNLOCK (filter); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_dicetv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstDiceTV *filter = GST_DICETV (object); + + switch (prop_id) { + case PROP_CUBE_BITS: + g_value_set_int (value, filter->g_cube_bits); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_dicetv_finalize (GObject * object) +{ + GstDiceTV *filter = GST_DICETV (object); + + g_free (filter->dicemap); + filter->dicemap = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_dicetv_class_init (GstDiceTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_dicetv_set_property; + gobject_class->get_property = gst_dicetv_get_property; + gobject_class->finalize = gst_dicetv_finalize; + + g_object_class_install_property (gobject_class, PROP_CUBE_BITS, + g_param_spec_int ("square-bits", "Square Bits", "The size of the Squares", + MIN_CUBE_BITS, MAX_CUBE_BITS, DEFAULT_CUBE_BITS, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + gst_element_class_set_static_metadata (gstelement_class, "DiceTV effect", + "Filter/Effect/Video", + "'Dices' the screen up into many small squares", + "Wim Taymans <wim.taymans@gmail.be>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_dicetv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_dicetv_src_template)); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_dicetv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_dicetv_transform_frame); +} + +static void +gst_dicetv_init (GstDiceTV * filter) +{ + filter->dicemap = NULL; + filter->g_cube_bits = DEFAULT_CUBE_BITS; + filter->g_cube_size = 0; + filter->g_map_height = 0; + filter->g_map_width = 0; +} diff --git a/gst/effectv/gstdice.h b/gst/effectv/gstdice.h new file mode 100644 index 0000000..4c14c97 --- /dev/null +++ b/gst/effectv/gstdice.h @@ -0,0 +1,75 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * dice.c: a 'dicing' effect + * copyright (c) 2001 Sam Mertens. This code is subject to the provisions of + * the GNU Library Public License. + * + * I suppose this looks similar to PuzzleTV, but it's not. The screen is + * divided into small squares, each of which is rotated either 0, 90, 180 or + * 270 degrees. The amount of rotation for each square is chosen at random. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_DICE_H__ +#define __GST_DICE_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_DICETV \ + (gst_dicetv_get_type()) +#define GST_DICETV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DICETV,GstDiceTV)) +#define GST_DICETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DICETV,GstDiceTVClass)) +#define GST_IS_DICETV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DICETV)) +#define GST_IS_DICETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DICETV)) + +typedef struct _GstDiceTV GstDiceTV; +typedef struct _GstDiceTVClass GstDiceTVClass; + +struct _GstDiceTV +{ + GstVideoFilter videofilter; + + /* < private > */ + guint8 *dicemap; + + gint g_cube_bits; + gint g_cube_size; + gint g_map_height; + gint g_map_width; +}; + +struct _GstDiceTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_dicetv_get_type (void); + +G_END_DECLS + +#endif /* __GST_DICE_H__ */ diff --git a/gst/effectv/gstedge.c b/gst/effectv/gstedge.c new file mode 100644 index 0000000..d7fe89b --- /dev/null +++ b/gst/effectv/gstedge.c @@ -0,0 +1,254 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV: + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * EdgeTV - detects edge and display it in good old computer way + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-edgetv + * + * EdgeTV detects edges and display it in good old low resolution + * computer way. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! edgetv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of edgetv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> + +#include "gstedge.h" + +#define gst_edgetv_parent_class parent_class +G_DEFINE_TYPE (GstEdgeTV, gst_edgetv, GST_TYPE_VIDEO_FILTER); + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }") +#endif + +static GstStaticPadTemplate gst_edgetv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_edgetv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static gboolean +gst_edgetv_set_info (GstVideoFilter * filter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstEdgeTV *edgetv = GST_EDGETV (filter); + guint map_size; + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + edgetv->map_width = width / 4; + edgetv->map_height = height / 4; + edgetv->video_width_margin = width % 4; + + map_size = edgetv->map_width * edgetv->map_height * sizeof (guint32) * 2; + + g_free (edgetv->map); + edgetv->map = (guint32 *) g_malloc0 (map_size); + + return TRUE; +} + +static GstFlowReturn +gst_edgetv_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstEdgeTV *filter = GST_EDGETV (vfilter); + gint x, y, r, g, b; + guint32 *src, *dest; + guint32 p, q; + guint32 v0, v1, v2, v3; + gint width, map_height, map_width; + gint video_width_margin; + guint32 *map; + GstFlowReturn ret = GST_FLOW_OK; + + map = filter->map; + map_height = filter->map_height; + map_width = filter->map_width; + video_width_margin = filter->video_width_margin; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + + src += width * 4 + 4; + dest += width * 4 + 4; + + for (y = 1; y < map_height - 1; y++) { + for (x = 1; x < map_width - 1; x++) { + p = *src; + q = *(src - 4); + + /* difference between the current pixel and left neighbor. */ + r = ((p & 0xff0000) - (q & 0xff0000)) >> 16; + g = ((p & 0xff00) - (q & 0xff00)) >> 8; + b = (p & 0xff) - (q & 0xff); + r *= r; + g *= g; + b *= b; + r = r >> 5; /* To lack the lower bit for saturated addition, */ + g = g >> 5; /* devide the value with 32, instead of 16. It is */ + b = b >> 4; /* same as `v2 &= 0xfefeff' */ + if (r > 127) + r = 127; + if (g > 127) + g = 127; + if (b > 255) + b = 255; + v2 = (r << 17) | (g << 9) | b; + + /* difference between the current pixel and upper neighbor. */ + q = *(src - width * 4); + r = ((p & 0xff0000) - (q & 0xff0000)) >> 16; + g = ((p & 0xff00) - (q & 0xff00)) >> 8; + b = (p & 0xff) - (q & 0xff); + r *= r; + g *= g; + b *= b; + r = r >> 5; + g = g >> 5; + b = b >> 4; + if (r > 127) + r = 127; + if (g > 127) + g = 127; + if (b > 255) + b = 255; + v3 = (r << 17) | (g << 9) | b; + + v0 = map[(y - 1) * map_width * 2 + x * 2]; + v1 = map[y * map_width * 2 + (x - 1) * 2 + 1]; + map[y * map_width * 2 + x * 2] = v2; + map[y * map_width * 2 + x * 2 + 1] = v3; + r = v0 + v1; + g = r & 0x01010100; + dest[0] = r | (g - (g >> 8)); + r = v0 + v3; + g = r & 0x01010100; + dest[1] = r | (g - (g >> 8)); + dest[2] = v3; + dest[3] = v3; + r = v2 + v1; + g = r & 0x01010100; + dest[width] = r | (g - (g >> 8)); + r = v2 + v3; + g = r & 0x01010100; + dest[width + 1] = r | (g - (g >> 8)); + dest[width + 2] = v3; + dest[width + 3] = v3; + dest[width * 2] = v2; + dest[width * 2 + 1] = v2; + dest[width * 2 + 2] = 0; + dest[width * 2 + 3] = 0; + dest[width * 3] = v2; + dest[width * 3 + 1] = v2; + dest[width * 3 + 2] = 0; + dest[width * 3 + 3] = 0; + + src += 4; + dest += 4; + } + src += width * 3 + 8 + video_width_margin; + dest += width * 3 + 8 + video_width_margin; + } + + return ret; +} + +static gboolean +gst_edgetv_start (GstBaseTransform * trans) +{ + GstEdgeTV *edgetv = GST_EDGETV (trans); + + if (edgetv->map) + memset (edgetv->map, 0, + edgetv->map_width * edgetv->map_height * sizeof (guint32) * 2); + return TRUE; +} + +static void +gst_edgetv_finalize (GObject * object) +{ + GstEdgeTV *edgetv = GST_EDGETV (object); + + g_free (edgetv->map); + edgetv->map = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_edgetv_class_init (GstEdgeTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->finalize = gst_edgetv_finalize; + + gst_element_class_set_static_metadata (gstelement_class, "EdgeTV effect", + "Filter/Effect/Video", + "Apply edge detect on video", "Wim Taymans <wim.taymans@chello.be>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_edgetv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_edgetv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_edgetv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_edgetv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_edgetv_transform_frame); +} + +static void +gst_edgetv_init (GstEdgeTV * edgetv) +{ +} diff --git a/gst/effectv/gstedge.h b/gst/effectv/gstedge.h new file mode 100644 index 0000000..290c312 --- /dev/null +++ b/gst/effectv/gstedge.h @@ -0,0 +1,70 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV: + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * EdgeTV - detects edge and display it in good old computer way + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_EDGE_H__ +#define __GST_EDGE_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_EDGETV \ + (gst_edgetv_get_type()) +#define GST_EDGETV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_EDGETV,GstEdgeTV)) +#define GST_EDGETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_EDGETV,GstEdgeTVClass)) +#define GST_IS_EDGETV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_EDGETV)) +#define GST_IS_EDGETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_EDGETV)) + +typedef struct _GstEdgeTV GstEdgeTV; +typedef struct _GstEdgeTVClass GstEdgeTVClass; + +struct _GstEdgeTV +{ + GstVideoFilter videofilter; + + /* < private > */ + gint map_width, map_height; + guint32 *map; + gint video_width_margin; +}; + +struct _GstEdgeTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_edgetv_get_type (void); + +G_END_DECLS + +#endif /* __GST_EDGE_H__ */ diff --git a/gst/effectv/gsteffectv.c b/gst/effectv/gsteffectv.c new file mode 100644 index 0000000..0e9ffc0 --- /dev/null +++ b/gst/effectv/gsteffectv.c @@ -0,0 +1,83 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gsteffectv.h" +#include "gstaging.h" +#include "gstdice.h" +#include "gstedge.h" +#include "gstquark.h" +#include "gstrev.h" +#include "gstshagadelic.h" +#include "gstvertigo.h" +#include "gstwarp.h" +#include "gstop.h" +#include "gstradioac.h" +#include "gststreak.h" +#include "gstripple.h" + +struct _elements_entry +{ + const gchar *name; + GType (*type) (void); +}; + +static const struct _elements_entry _elements[] = { + {"edgetv", gst_edgetv_get_type}, + {"agingtv", gst_agingtv_get_type}, + {"dicetv", gst_dicetv_get_type}, + {"warptv", gst_warptv_get_type}, + {"shagadelictv", gst_shagadelictv_get_type}, + {"vertigotv", gst_vertigotv_get_type}, + {"revtv", gst_revtv_get_type}, + {"quarktv", gst_quarktv_get_type}, + {"optv", gst_optv_get_type}, + {"radioactv", gst_radioactv_get_type}, + {"streaktv", gst_streaktv_get_type}, + {"rippletv", gst_rippletv_get_type}, + {NULL, 0}, +}; + +static gboolean +plugin_init (GstPlugin * plugin) +{ + gint i = 0; + + while (_elements[i].name) { + if (!gst_element_register (plugin, _elements[i].name, + GST_RANK_NONE, (_elements[i].type) ())) + return FALSE; + i++; + } + + return TRUE; +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + effectv, + "effect plugins from the effectv project", + plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); diff --git a/gst/effectv/gsteffectv.h b/gst/effectv/gsteffectv.h new file mode 100644 index 0000000..0f00799 --- /dev/null +++ b/gst/effectv/gsteffectv.h @@ -0,0 +1,33 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <gst/gst.h> + +static inline guint +fastrand (void) +{ + static guint fastrand_val; + + return (fastrand_val = fastrand_val * 1103515245 + 12345); +} + diff --git a/gst/effectv/gstop.c b/gst/effectv/gstop.c new file mode 100644 index 0000000..d91a375 --- /dev/null +++ b/gst/effectv/gstop.c @@ -0,0 +1,422 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * OpTV - Optical art meets real-time video effect. + * Copyright (C) 2004-2005 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-optv + * + * Traditional black-white optical animation is now resurrected as a + * real-time video effect. Input images are binarized and combined with + * various optical pattern. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! optv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of optv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstop.h" +#include "gsteffectv.h" + +#include <gst/video/video.h> + +enum +{ + OP_SPIRAL1 = 0, + OP_SPIRAL2, + OP_PARABOLA, + OP_HSTRIPE +}; + +#define GST_TYPE_OPTV_MODE (gst_optv_mode_get_type()) +static GType +gst_optv_mode_get_type (void) +{ + static GType type = 0; + + static const GEnumValue enumvalue[] = { + {OP_SPIRAL1, "Maelstrom", "maelstrom"}, + {OP_SPIRAL2, "Radiation", "radiation"}, + {OP_PARABOLA, "Horizontal Stripes", + "horizontal-stripes"}, + {OP_HSTRIPE, "Vertical Stripes", "vertical-stripes"}, + {0, NULL, NULL}, + }; + + if (!type) { + type = g_enum_register_static ("GstOpTVMode", enumvalue); + } + return type; +} + +#define DEFAULT_MODE OP_SPIRAL1 +#define DEFAULT_SPEED 16 +#define DEFAULT_THRESHOLD 60 + +enum +{ + PROP_0, + PROP_MODE, + PROP_SPEED, + PROP_THRESHOLD +}; + +static guint32 palette[256]; + +#define gst_optv_parent_class parent_class +G_DEFINE_TYPE (GstOpTV, gst_optv, GST_TYPE_VIDEO_FILTER); + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }") +#endif + +static GstStaticPadTemplate gst_optv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_optv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static void +initPalette (void) +{ + gint i; + guint8 v; + + for (i = 0; i < 112; i++) { + palette[i] = 0; + palette[i + 128] = 0xffffff; + } + for (i = 0; i < 16; i++) { + v = 16 * (i + 1) - 1; + palette[i + 112] = (v << 16) | (v << 8) | v; + v = 255 - v; + palette[i + 240] = (v << 16) | (v << 8) | v; + } +} + +static void +setOpmap (gint8 * opmap[4], gint width, gint height) +{ + gint i, j, x, y; +#ifndef PS2 + gdouble xx, yy, r, at, rr; +#else + gfloat xx, yy, r, at, rr; +#endif + gint sci; + + sci = 640 / width; + i = 0; + for (y = 0; y < height; y++) { + yy = (gdouble) (y - height / 2) / width; + for (x = 0; x < width; x++) { + xx = (gdouble) x / width - 0.5; +#ifndef PS2 + r = sqrt (xx * xx + yy * yy); + at = atan2 (xx, yy); +#else + r = sqrtf (xx * xx + yy * yy); + at = atan2f (xx, yy); +#endif + + opmap[OP_SPIRAL1][i] = ((guint) + ((at / G_PI * 256) + (r * 4000))) & 255; + + j = r * 300 / 32; + rr = r * 300 - j * 32; + j *= 64; + j += (rr > 28) ? (rr - 28) * 16 : 0; + opmap[OP_SPIRAL2][i] = ((guint) + ((at / G_PI * 4096) + (r * 1600) - j)) & 255; + + opmap[OP_PARABOLA][i] = + ((guint) (yy / (xx * xx * 0.3 + 0.1) * 400)) & 255; + opmap[OP_HSTRIPE][i] = x * 8 * sci; + i++; + } + } +} + +/* Taken from effectv/image.c */ +/* Y value filters */ +static void +image_y_over (guint32 * src, guint8 * diff, gint y_threshold, gint video_area) +{ + gint i; + gint R, G, B, v; + guint8 *p = diff; + + for (i = video_area; i > 0; i--) { + R = ((*src) & 0xff0000) >> (16 - 1); + G = ((*src) & 0xff00) >> (8 - 2); + B = (*src) & 0xff; + v = y_threshold * 7 - (R + G + B); + *p = (guint8) (v >> 24); + src++; + p++; + } +} + +static GstFlowReturn +gst_optv_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstOpTV *filter = GST_OPTV (vfilter); + guint32 *src, *dest; + gint8 *p; + guint8 *diff; + gint x, y, width, height; + GstClockTime timestamp, stream_time; + guint8 phase; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + if (G_UNLIKELY (filter->opmap[0] == NULL)) + return GST_FLOW_NOT_NEGOTIATED; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + GST_OBJECT_LOCK (filter); + switch (filter->mode) { + default: + case 0: + p = filter->opmap[OP_SPIRAL1]; + break; + case 1: + p = filter->opmap[OP_SPIRAL2]; + break; + case 2: + p = filter->opmap[OP_PARABOLA]; + break; + case 3: + p = filter->opmap[OP_HSTRIPE]; + break; + } + + filter->phase -= filter->speed; + + diff = filter->diff; + image_y_over (src, diff, filter->threshold, width * height); + phase = filter->phase; + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + *dest++ = palette[(((guint8) (*p + phase)) ^ *diff++) & 255]; + p++; + } + } + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static gboolean +gst_optv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstOpTV *filter = GST_OPTV (vfilter); + gint i, width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + for (i = 0; i < 4; i++) { + if (filter->opmap[i]) + g_free (filter->opmap[i]); + filter->opmap[i] = g_new (gint8, width * height); + } + setOpmap (filter->opmap, width, height); + + if (filter->diff) + g_free (filter->diff); + filter->diff = g_new (guint8, width * height); + + return TRUE; +} + +static gboolean +gst_optv_start (GstBaseTransform * trans) +{ + GstOpTV *filter = GST_OPTV (trans); + + filter->phase = 0; + + return TRUE; +} + +static void +gst_optv_finalize (GObject * object) +{ + GstOpTV *filter = GST_OPTV (object); + + if (filter->opmap[0]) { + gint i; + + for (i = 0; i < 4; i++) { + if (filter->opmap[i]) + g_free (filter->opmap[i]); + filter->opmap[i] = NULL; + } + } + + if (filter->diff) + g_free (filter->diff); + filter->diff = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_optv_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) +{ + GstOpTV *filter = GST_OPTV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_MODE: + filter->mode = g_value_get_enum (value); + break; + case PROP_SPEED: + filter->speed = g_value_get_int (value); + break; + case PROP_THRESHOLD: + filter->threshold = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_optv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstOpTV *filter = GST_OPTV (object); + + switch (prop_id) { + case PROP_MODE: + g_value_set_enum (value, filter->mode); + break; + case PROP_SPEED: + g_value_set_int (value, filter->speed); + break; + case PROP_THRESHOLD: + g_value_set_uint (value, filter->threshold); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_optv_class_init (GstOpTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_optv_set_property; + gobject_class->get_property = gst_optv_get_property; + + gobject_class->finalize = gst_optv_finalize; + + g_object_class_install_property (gobject_class, PROP_MODE, + g_param_spec_enum ("mode", "Mode", + "Mode", GST_TYPE_OPTV_MODE, DEFAULT_MODE, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_SPEED, + g_param_spec_int ("speed", "Speed", + "Effect speed", G_MININT, G_MAXINT, DEFAULT_SPEED, + GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_THRESHOLD, + g_param_spec_uint ("threshold", "Threshold", + "Luma threshold", 0, G_MAXINT, DEFAULT_THRESHOLD, + GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + gst_element_class_set_static_metadata (gstelement_class, "OpTV effect", + "Filter/Effect/Video", + "Optical art meets real-time video effect", + "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, " + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_optv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_optv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_optv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_optv_set_info); + vfilter_class->transform_frame = GST_DEBUG_FUNCPTR (gst_optv_transform_frame); + + initPalette (); +} + +static void +gst_optv_init (GstOpTV * filter) +{ + filter->speed = DEFAULT_SPEED; + filter->mode = DEFAULT_MODE; + filter->threshold = DEFAULT_THRESHOLD; +} diff --git a/gst/effectv/gstop.h b/gst/effectv/gstop.h new file mode 100644 index 0000000..5572402 --- /dev/null +++ b/gst/effectv/gstop.h @@ -0,0 +1,74 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * OpTV - Optical art meets real-time video effect. + * Copyright (C) 2004-2005 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_OP_H__ +#define __GST_OP_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_OPTV \ + (gst_optv_get_type()) +#define GST_OPTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPTV,GstOpTV)) +#define GST_OPTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPTV,GstOpTVClass)) +#define GST_IS_OPTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPTV)) +#define GST_IS_OPTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPTV)) + +typedef struct _GstOpTV GstOpTV; +typedef struct _GstOpTVClass GstOpTVClass; + +struct _GstOpTV +{ + GstVideoFilter element; + + /* < private > */ + gint mode; + gint speed; + guint threshold; + + gint8 *opmap[4]; + guint8 *diff; + guint8 phase; +}; + +struct _GstOpTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_optv_get_type (void); + +G_END_DECLS + +#endif /* __GST_OP_H__ */ diff --git a/gst/effectv/gstquark.c b/gst/effectv/gstquark.c new file mode 100644 index 0000000..cb02643 --- /dev/null +++ b/gst/effectv/gstquark.c @@ -0,0 +1,299 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV: + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * QuarkTV - motion disolver. + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-quarktv + * + * QuarkTV disolves moving objects. It picks up pixels from + * the last frames randomly. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! quarktv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of quarktv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstquark.h" +#include "gsteffectv.h" + +/* number of frames of time-buffer. It should be as a configurable paramater */ +/* This number also must be 2^n just for the speed. */ +#define PLANES 16 + +enum +{ + PROP_0, + PROP_PLANES +}; + +#define gst_quarktv_parent_class parent_class +G_DEFINE_TYPE (GstQuarkTV, gst_quarktv, GST_TYPE_VIDEO_FILTER); + +static void gst_quarktv_planetable_clear (GstQuarkTV * filter); + +static GstStaticPadTemplate gst_quarktv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR, BGRx, RGBx }")) + ); + +static GstStaticPadTemplate gst_quarktv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR, BGRx, RGBx }")) + ); + +static gboolean +gst_quarktv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstQuarkTV *filter = GST_QUARKTV (vfilter); + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + gst_quarktv_planetable_clear (filter); + filter->area = width * height; + + return TRUE; +} + +static GstFlowReturn +gst_quarktv_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstQuarkTV *filter = GST_QUARKTV (vfilter); + gint area; + guint32 *src, *dest; + GstClockTime timestamp; + GstBuffer **planetable; + gint planes, current_plane; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + timestamp = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (timestamp)) + gst_object_sync_values (GST_OBJECT (filter), timestamp); + + if (G_UNLIKELY (filter->planetable == NULL)) + return GST_FLOW_FLUSHING; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + GST_OBJECT_LOCK (filter); + area = filter->area; + planetable = filter->planetable; + planes = filter->planes; + current_plane = filter->current_plane; + + if (planetable[current_plane]) + gst_buffer_unref (planetable[current_plane]); + planetable[current_plane] = gst_buffer_ref (in_frame->buffer); + + /* For each pixel */ + while (--area) { + GstBuffer *rand; + + /* pick a random buffer */ + rand = planetable[(current_plane + (fastrand () >> 24)) % planes]; + + /* Copy the pixel from the random buffer to dest, FIXME, slow */ + if (rand) + gst_buffer_extract (rand, area * 4, &dest[area], 4); + else + dest[area] = src[area]; + } + + filter->current_plane--; + if (filter->current_plane < 0) + filter->current_plane = planes - 1; + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static void +gst_quarktv_planetable_clear (GstQuarkTV * filter) +{ + gint i; + + if (filter->planetable == NULL) + return; + + for (i = 0; i < filter->planes; i++) { + if (GST_IS_BUFFER (filter->planetable[i])) { + gst_buffer_unref (filter->planetable[i]); + } + filter->planetable[i] = NULL; + } +} + +static gboolean +gst_quarktv_start (GstBaseTransform * trans) +{ + GstQuarkTV *filter = GST_QUARKTV (trans); + + if (filter->planetable) { + gst_quarktv_planetable_clear (filter); + g_free (filter->planetable); + } + filter->planetable = + (GstBuffer **) g_malloc0 (filter->planes * sizeof (GstBuffer *)); + + return TRUE; +} + +static void +gst_quarktv_finalize (GObject * object) +{ + GstQuarkTV *filter = GST_QUARKTV (object); + + if (filter->planetable) { + gst_quarktv_planetable_clear (filter); + g_free (filter->planetable); + filter->planetable = NULL; + } + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_quarktv_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) +{ + GstQuarkTV *filter = GST_QUARKTV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_PLANES: + { + gint new_n_planes = g_value_get_int (value); + GstBuffer **new_planetable; + gint i; + + /* If the number of planes changed, copy across any existing planes */ + if (new_n_planes != filter->planes) { + new_planetable = + (GstBuffer **) g_malloc0 (new_n_planes * sizeof (GstBuffer *)); + + if (filter->planetable) { + for (i = 0; (i < new_n_planes) && (i < filter->planes); i++) { + new_planetable[i] = filter->planetable[i]; + } + for (; i < filter->planes; i++) { + if (filter->planetable[i]) + gst_buffer_unref (filter->planetable[i]); + } + g_free (filter->planetable); + } + + filter->planetable = new_planetable; + filter->planes = new_n_planes; + filter->current_plane = filter->planes - 1; + } + break; + } + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_quarktv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstQuarkTV *filter = GST_QUARKTV (object); + + switch (prop_id) { + case PROP_PLANES: + g_value_set_int (value, filter->planes); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_quarktv_class_init (GstQuarkTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_quarktv_set_property; + gobject_class->get_property = gst_quarktv_get_property; + + gobject_class->finalize = gst_quarktv_finalize; + + g_object_class_install_property (gobject_class, PROP_PLANES, + g_param_spec_int ("planes", "Planes", + "Number of planes", 0, 64, PLANES, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + gst_element_class_set_static_metadata (gstelement_class, "QuarkTV effect", + "Filter/Effect/Video", + "Motion dissolver", "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_quarktv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_quarktv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_quarktv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_quarktv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_quarktv_transform_frame); +} + +static void +gst_quarktv_init (GstQuarkTV * filter) +{ + filter->planes = PLANES; + filter->current_plane = filter->planes - 1; +} diff --git a/gst/effectv/gstquark.h b/gst/effectv/gstquark.h new file mode 100644 index 0000000..5557756 --- /dev/null +++ b/gst/effectv/gstquark.h @@ -0,0 +1,71 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV: + * Copyright (C) 2001-2002 FUKUCHI Kentarou + * + * QuarkTV - motion disolver. + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_QUARK_H__ +#define __GST_QUARK_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_QUARKTV \ + (gst_quarktv_get_type()) +#define GST_QUARKTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QUARKTV,GstQuarkTV)) +#define GST_QUARKTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QUARKTV,GstQuarkTVClass)) +#define GST_IS_QUARKTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QUARKTV)) +#define GST_IS_QUARKTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QUARKTV)) + +typedef struct _GstQuarkTV GstQuarkTV; +typedef struct _GstQuarkTVClass GstQuarkTVClass; + +struct _GstQuarkTV +{ + GstVideoFilter element; + + /* < private > */ + gint area; + gint planes; + gint current_plane; + GstBuffer **planetable; +}; + +struct _GstQuarkTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_quarktv_get_type (void); + +G_END_DECLS + +#endif /* __GST_QUARK_H__ */ diff --git a/gst/effectv/gstradioac.c b/gst/effectv/gstradioac.c new file mode 100644 index 0000000..fc2d409 --- /dev/null +++ b/gst/effectv/gstradioac.c @@ -0,0 +1,634 @@ +/* GStreamer + * Cradioacyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Cradioacyright (C) 2001-2006 FUKUCHI Kentaro + * + * RadioacTV - motion-enlightment effect. + * Cradioacyright (C) 2001-2002 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your radioaction) any later version. + * + * This library is distributed in the hradioace that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a cradioacy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-radioactv + * + * RadioacTV does *NOT* detect a radioactivity. It detects a difference + * from previous frame and blurs it. + * + * RadioacTV has 4 mode, normal, strobe1, strobe2 and trigger. + * In trigger mode, effect appears only when the trigger property is %TRUE. + * + * strobe1 and strobe2 mode drops some frames. strobe1 mode uses the difference between + * current frame and previous frame dropped, while strobe2 mode uses the difference from + * previous frame displayed. The effect of strobe2 is stronger than strobe1. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! radioactv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of radioactv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstradioac.h" +#include "gsteffectv.h" + +enum +{ + RADIOAC_NORMAL = 0, + RADIOAC_STROBE, + RADIOAC_STROBE2, + RADIOAC_TRIGGER +}; + +enum +{ + COLOR_RED = 0, + COLOR_GREEN, + COLOR_BLUE, + COLOR_WHITE +}; + +#define GST_TYPE_RADIOACTV_MODE (gst_radioactv_mode_get_type()) +static GType +gst_radioactv_mode_get_type (void) +{ + static GType type = 0; + + static const GEnumValue enumvalue[] = { + {RADIOAC_NORMAL, "Normal", "normal"}, + {RADIOAC_STROBE, "Strobe 1", "strobe1"}, + {RADIOAC_STROBE2, "Strobe 2", "strobe2"}, + {RADIOAC_TRIGGER, "Trigger", "trigger"}, + {0, NULL, NULL}, + }; + + if (!type) { + type = g_enum_register_static ("GstRadioacTVMode", enumvalue); + } + return type; +} + +#define GST_TYPE_RADIOACTV_COLOR (gst_radioactv_color_get_type()) +static GType +gst_radioactv_color_get_type (void) +{ + static GType type = 0; + + static const GEnumValue enumvalue[] = { + {COLOR_RED, "Red", "red"}, + {COLOR_GREEN, "Green", "green"}, + {COLOR_BLUE, "Blue", "blue"}, + {COLOR_WHITE, "White", "white"}, + {0, NULL, NULL}, + }; + + if (!type) { + type = g_enum_register_static ("GstRadioacTVColor", enumvalue); + } + return type; +} + +#define DEFAULT_MODE RADIOAC_NORMAL +#define DEFAULT_COLOR COLOR_WHITE +#define DEFAULT_INTERVAL 3 +#define DEFAULT_TRIGGER FALSE + +enum +{ + PROP_0, + PROP_MODE, + PROP_COLOR, + PROP_INTERVAL, + PROP_TRIGGER +}; + +#define COLORS 32 +#define PATTERN 4 +#define MAGIC_THRESHOLD 40 +#define RATIO 0.95 + +static guint32 palettes[COLORS * PATTERN]; +static gint swap_tab[] = { 2, 1, 0, 3 }; + +#define gst_radioactv_parent_class parent_class +G_DEFINE_TYPE (GstRadioacTV, gst_radioactv, GST_TYPE_VIDEO_FILTER); + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ RGBx, BGRx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }") +#endif + +static GstStaticPadTemplate gst_radioactv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_radioactv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static void +makePalette (void) +{ + gint i; + +#define DELTA (255/(COLORS/2-1)) + + /* red, gree, blue */ + for (i = 0; i < COLORS / 2; i++) { + palettes[i] = i * DELTA; + palettes[COLORS + i] = (i * DELTA) << 8; + palettes[COLORS * 2 + i] = (i * DELTA) << 16; + } + for (i = 0; i < COLORS / 2; i++) { + palettes[i + COLORS / 2] = 255 | (i * DELTA) << 16 | (i * DELTA) << 8; + palettes[COLORS + i + COLORS / 2] = + (255 << 8) | (i * DELTA) << 16 | i * DELTA; + palettes[COLORS * 2 + i + COLORS / 2] = + (255 << 16) | (i * DELTA) << 8 | i * DELTA; + } + /* white */ + for (i = 0; i < COLORS; i++) { + palettes[COLORS * 3 + i] = (255 * i / COLORS) * 0x10101; + } + for (i = 0; i < COLORS * PATTERN; i++) { + palettes[i] = palettes[i] & 0xfefeff; + } +#undef DELTA +} + +#define VIDEO_HWIDTH (filter->buf_width/2) +#define VIDEO_HHEIGHT (filter->buf_height/2) + +/* this table assumes that video_width is times of 32 */ +static void +setTable (GstRadioacTV * filter) +{ + guint bits; + gint x, y, tx, ty, xx; + gint ptr, prevptr; + + prevptr = (gint) (0.5 + RATIO * (-VIDEO_HWIDTH) + VIDEO_HWIDTH); + for (xx = 0; xx < (filter->buf_width_blocks); xx++) { + bits = 0; + for (x = 0; x < 32; x++) { + ptr = (gint) (0.5 + RATIO * (xx * 32 + x - VIDEO_HWIDTH) + VIDEO_HWIDTH); + bits = bits >> 1; + if (ptr != prevptr) + bits |= 0x80000000; + prevptr = ptr; + } + filter->blurzoomx[xx] = bits; + } + + ty = (gint) (0.5 + RATIO * (-VIDEO_HHEIGHT) + VIDEO_HHEIGHT); + tx = (gint) (0.5 + RATIO * (-VIDEO_HWIDTH) + VIDEO_HWIDTH); + xx = (gint) (0.5 + RATIO * (filter->buf_width - 1 - VIDEO_HWIDTH) + + VIDEO_HWIDTH); + filter->blurzoomy[0] = ty * filter->buf_width + tx; + prevptr = ty * filter->buf_width + xx; + for (y = 1; y < filter->buf_height; y++) { + ty = (gint) (0.5 + RATIO * (y - VIDEO_HHEIGHT) + VIDEO_HHEIGHT); + filter->blurzoomy[y] = ty * filter->buf_width + tx - prevptr; + prevptr = ty * filter->buf_width + xx; + } +} + +#undef VIDEO_HWIDTH +#undef VIDEO_HHEIGHT + +static void +blur (GstRadioacTV * filter) +{ + gint x, y; + gint width; + guint8 *p, *q; + guint8 v; + GstVideoInfo *info; + + info = &GST_VIDEO_FILTER (filter)->in_info; + + width = filter->buf_width; + p = filter->blurzoombuf + GST_VIDEO_INFO_WIDTH (info) + 1; + q = p + filter->buf_area; + + for (y = filter->buf_height - 2; y > 0; y--) { + for (x = width - 2; x > 0; x--) { + v = (*(p - width) + *(p - 1) + *(p + 1) + *(p + width)) / 4 - 1; + if (v == 255) + v = 0; + *q = v; + p++; + q++; + } + p += 2; + q += 2; + } +} + +static void +zoom (GstRadioacTV * filter) +{ + gint b, x, y; + guint8 *p, *q; + gint blocks, height; + gint dx; + + p = filter->blurzoombuf + filter->buf_area; + q = filter->blurzoombuf; + height = filter->buf_height; + blocks = filter->buf_width_blocks; + + for (y = 0; y < height; y++) { + p += filter->blurzoomy[y]; + for (b = 0; b < blocks; b++) { + dx = filter->blurzoomx[b]; + for (x = 0; x < 32; x++) { + p += (dx & 1); + *q++ = *p; + dx = dx >> 1; + } + } + } +} + +static void +blurzoomcore (GstRadioacTV * filter) +{ + blur (filter); + zoom (filter); +} + +/* Background image is refreshed every frame */ +static void +image_bgsubtract_update_y (guint32 * src, gint16 * background, guint8 * diff, + gint video_area, gint y_threshold) +{ + gint i; + gint R, G, B; + guint32 *p; + gint16 *q; + guint8 *r; + gint v; + + p = src; + q = background; + r = diff; + for (i = 0; i < video_area; i++) { + R = ((*p) & 0xff0000) >> (16 - 1); + G = ((*p) & 0xff00) >> (8 - 2); + B = (*p) & 0xff; + v = (R + G + B) - (gint) (*q); + *q = (gint16) (R + G + B); + *r = ((v + y_threshold) >> 24) | ((y_threshold - v) >> 24); + + p++; + q++; + r++; + } +} + +static GstFlowReturn +gst_radioactv_transform_frame (GstVideoFilter * vfilter, + GstVideoFrame * in_frame, GstVideoFrame * out_frame) +{ + GstRadioacTV *filter = GST_RADIOACTV (vfilter); + guint32 *src, *dest; + GstClockTime timestamp, stream_time; + gint x, y, width, height; + guint32 a, b; + guint8 *diff, *p; + guint32 *palette; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (filter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + GST_OBJECT_LOCK (filter); +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + if (GST_VIDEO_FRAME_FORMAT (in_frame) == GST_VIDEO_FORMAT_RGBx) { + palette = &palettes[COLORS * filter->color]; + } else { + palette = &palettes[COLORS * swap_tab[filter->color]]; + } +#else + if (GST_VIDEO_FRAME_FORMAT (in_frame) == GST_VIDEO_FORMAT_xBGR) { + palette = &palettes[COLORS * filter->color]; + } else { + palette = &palettes[COLORS * swap_tab[filter->color]]; + } +#endif + diff = filter->diff; + + if (filter->mode == 3 && filter->trigger) + filter->snaptime = 0; + else if (filter->mode == 3 && !filter->trigger) + filter->snaptime = 1; + + if (filter->mode != 2 || filter->snaptime <= 0) { + image_bgsubtract_update_y (src, filter->background, diff, + width * height, MAGIC_THRESHOLD * 7); + if (filter->mode == 0 || filter->snaptime <= 0) { + diff += filter->buf_margin_left; + p = filter->blurzoombuf; + for (y = 0; y < filter->buf_height; y++) { + for (x = 0; x < filter->buf_width; x++) { + p[x] |= diff[x] >> 3; + } + diff += width; + p += filter->buf_width; + } + if (filter->mode == 1 || filter->mode == 2) { + memcpy (filter->snapframe, src, width * height * 4); + } + } + } + blurzoomcore (filter); + + if (filter->mode == 1 || filter->mode == 2) { + src = filter->snapframe; + } + p = filter->blurzoombuf; + for (y = 0; y < height; y++) { + for (x = 0; x < filter->buf_margin_left; x++) { + *dest++ = *src++; + } + for (x = 0; x < filter->buf_width; x++) { + a = *src++ & 0xfefeff; + b = palette[*p++]; + a += b; + b = a & 0x1010100; + *dest++ = a | (b - (b >> 8)); + } + for (x = 0; x < filter->buf_margin_right; x++) { + *dest++ = *src++; + } + } + + if (filter->mode == 1 || filter->mode == 2) { + filter->snaptime--; + if (filter->snaptime < 0) { + filter->snaptime = filter->interval; + } + } + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static gboolean +gst_radioactv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstRadioacTV *filter = GST_RADIOACTV (vfilter); + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + filter->buf_width_blocks = width / 32; + if (filter->buf_width_blocks > 255) + goto too_wide; + + filter->buf_width = filter->buf_width_blocks * 32; + filter->buf_height = height; + filter->buf_area = filter->buf_height * filter->buf_width; + filter->buf_margin_left = (width - filter->buf_width) / 2; + filter->buf_margin_right = + height - filter->buf_width - filter->buf_margin_left; + + if (filter->blurzoombuf) + g_free (filter->blurzoombuf); + filter->blurzoombuf = g_new0 (guint8, filter->buf_area * 2); + + if (filter->blurzoomx) + g_free (filter->blurzoomx); + filter->blurzoomx = g_new0 (gint, filter->buf_width); + + if (filter->blurzoomy) + g_free (filter->blurzoomy); + filter->blurzoomy = g_new0 (gint, filter->buf_height); + + if (filter->snapframe) + g_free (filter->snapframe); + filter->snapframe = g_new (guint32, width * height); + + if (filter->diff) + g_free (filter->diff); + filter->diff = g_new (guint8, width * height); + + if (filter->background) + g_free (filter->background); + filter->background = g_new0 (gint16, width * height); + + setTable (filter); + + return TRUE; + + /* ERRORS */ +too_wide: + { + GST_DEBUG_OBJECT (filter, "frame too wide"); + return FALSE; + } +} + +static gboolean +gst_radioactv_start (GstBaseTransform * trans) +{ + GstRadioacTV *filter = GST_RADIOACTV (trans); + + filter->snaptime = 0; + + return TRUE; +} + +static void +gst_radioactv_finalize (GObject * object) +{ + GstRadioacTV *filter = GST_RADIOACTV (object); + + if (filter->snapframe) + g_free (filter->snapframe); + filter->snapframe = NULL; + + if (filter->blurzoombuf) + g_free (filter->blurzoombuf); + filter->blurzoombuf = NULL; + + if (filter->diff) + g_free (filter->diff); + filter->diff = NULL; + + if (filter->background) + g_free (filter->background); + filter->background = NULL; + + if (filter->blurzoomx) + g_free (filter->blurzoomx); + filter->blurzoomx = NULL; + + if (filter->blurzoomy) + g_free (filter->blurzoomy); + filter->blurzoomy = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_radioactv_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRadioacTV *filter = GST_RADIOACTV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_MODE: + filter->mode = g_value_get_enum (value); + if (filter->mode == 3) + filter->snaptime = 1; + break; + case PROP_COLOR: + filter->color = g_value_get_enum (value); + break; + case PROP_INTERVAL: + filter->interval = g_value_get_uint (value); + break; + case PROP_TRIGGER: + filter->trigger = g_value_get_boolean (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_radioactv_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstRadioacTV *filter = GST_RADIOACTV (object); + + switch (prop_id) { + case PROP_MODE: + g_value_set_enum (value, filter->mode); + break; + case PROP_COLOR: + g_value_set_enum (value, filter->color); + break; + case PROP_INTERVAL: + g_value_set_uint (value, filter->interval); + break; + case PROP_TRIGGER: + g_value_set_boolean (value, filter->trigger); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_radioactv_class_init (GstRadioacTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_radioactv_set_property; + gobject_class->get_property = gst_radioactv_get_property; + + gobject_class->finalize = gst_radioactv_finalize; + + g_object_class_install_property (gobject_class, PROP_MODE, + g_param_spec_enum ("mode", "Mode", + "Mode", GST_TYPE_RADIOACTV_MODE, DEFAULT_MODE, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_COLOR, + g_param_spec_enum ("color", "Color", + "Color", GST_TYPE_RADIOACTV_COLOR, DEFAULT_COLOR, + GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_INTERVAL, + g_param_spec_uint ("interval", "Interval", + "Snapshot interval (in strobe mode)", 0, G_MAXINT, DEFAULT_INTERVAL, + GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + g_object_class_install_property (gobject_class, PROP_TRIGGER, + g_param_spec_boolean ("trigger", "Trigger", + "Trigger (in trigger mode)", DEFAULT_TRIGGER, + GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + gst_element_class_set_static_metadata (gstelement_class, "RadioacTV effect", + "Filter/Effect/Video", + "motion-enlightment effect", + "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, " + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_radioactv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_radioactv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_radioactv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_radioactv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_radioactv_transform_frame); + + makePalette (); +} + +static void +gst_radioactv_init (GstRadioacTV * filter) +{ + filter->mode = DEFAULT_MODE; + filter->color = DEFAULT_COLOR; + filter->interval = DEFAULT_INTERVAL; + filter->trigger = DEFAULT_TRIGGER; +} diff --git a/gst/effectv/gstradioac.h b/gst/effectv/gstradioac.h new file mode 100644 index 0000000..c8d7c99 --- /dev/null +++ b/gst/effectv/gstradioac.h @@ -0,0 +1,87 @@ +/* GStreamer + * Cradioacyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Cradioacyright (C) 2001-2006 FUKUCHI Kentaro + * + * RadioacTV - motion-enlightment effect. + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your radioaction) any later version. + * + * This library is distributed in the hradioace that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a cradioacy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_RADIOAC_H__ +#define __GST_RADIOAC_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_RADIOACTV \ + (gst_radioactv_get_type()) +#define GST_RADIOACTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RADIOACTV,GstRadioacTV)) +#define GST_RADIOACTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RADIOACTV,GstRadioacTVClass)) +#define GST_IS_RADIOACTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RADIOACTV)) +#define GST_IS_RADIOACTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RADIOACTV)) + +typedef struct _GstRadioacTV GstRadioacTV; +typedef struct _GstRadioacTVClass GstRadioacTVClass; + +struct _GstRadioacTV +{ + GstVideoFilter element; + + /* < private > */ + gint mode; + gint color; + guint interval; + gboolean trigger; + + gint snaptime; + + guint32 *snapframe; + guint8 *blurzoombuf; + guint8 *diff; + gint16 *background; + gint *blurzoomx; + gint *blurzoomy; + + gint buf_width_blocks; + gint buf_width; + gint buf_height; + gint buf_area; + gint buf_margin_right; + gint buf_margin_left; +}; + +struct _GstRadioacTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_radioactv_get_type (void); + +G_END_DECLS + +#endif /* __GST_RADIOAC_H__ */ diff --git a/gst/effectv/gstrev.c b/gst/effectv/gstrev.c new file mode 100755 index 0000000..003d36a --- /dev/null +++ b/gst/effectv/gstrev.c @@ -0,0 +1,249 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001 FUKUCHI Kentarou + * + * revTV based on Rutt-Etra Video Synthesizer 1974? + + * (c)2002 Ed Tannenbaum + * + * This effect acts like a waveform monitor on each line. + * It was originally done by deflecting the electron beam on a monitor using + * additional electromagnets on the yoke of a b/w CRT. + * Here it is emulated digitally. + + * Experimaental tapes were made with this system by Bill and + * Louise Etra and Woody and Steina Vasulka + + * The line spacing can be controlled using the 1 and 2 Keys. + * The gain is controlled using the 3 and 4 keys. + * The update rate is controlled using the 0 and - keys. + + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-revtv + * + * RevTV acts like a video waveform monitor for each line of video + * processed. This creates a pseudo 3D effect based on the brightness + * of the video along each line. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! revtv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of revtv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstrev.h" + +#define THE_COLOR 0xffffffff + +enum +{ + PROP_0, + PROP_DELAY, + PROP_LINESPACE, + PROP_GAIN +}; + +#define gst_revtv_parent_class parent_class +G_DEFINE_TYPE (GstRevTV, gst_revtv, GST_TYPE_VIDEO_FILTER); + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }") +#endif + +static GstStaticPadTemplate gst_revtv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_revtv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstFlowReturn +gst_revtv_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstRevTV *filter = GST_REVTV (vfilter); + guint32 *src, *dest; + gint width, height, sstride, dstride; + guint32 *nsrc; + gint y, x, R, G, B, yval; + gint linespace, vscale; + GstClockTime timestamp, stream_time; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + sstride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + dstride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + /* Clear everything to black */ + memset (dest, 0, dstride * height); + + GST_OBJECT_LOCK (filter); + linespace = filter->linespace; + vscale = filter->vscale; + + /* draw the offset lines */ + for (y = 0; y < height; y += linespace) { + for (x = 0; x <= width; x++) { + nsrc = src + (y * sstride / 4) + x; + + /* Calc Y Value for curpix */ + R = ((*nsrc) & 0xff0000) >> (16 - 1); + G = ((*nsrc) & 0xff00) >> (8 - 2); + B = (*nsrc) & 0xff; + + yval = y - ((short) (R + G + B) / vscale); + + if (yval > 0) { + dest[x + (yval * dstride / 4)] = THE_COLOR; + } + } + } + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static void +gst_revtv_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) +{ + GstRevTV *filter = GST_REVTV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_DELAY: + filter->vgrabtime = g_value_get_int (value); + break; + case PROP_LINESPACE: + filter->linespace = g_value_get_int (value); + break; + case PROP_GAIN: + filter->vscale = g_value_get_int (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_revtv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRevTV *filter = GST_REVTV (object); + + switch (prop_id) { + case PROP_DELAY: + g_value_set_int (value, filter->vgrabtime); + break; + case PROP_LINESPACE: + g_value_set_int (value, filter->linespace); + break; + case PROP_GAIN: + g_value_set_int (value, filter->vscale); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_revtv_class_init (GstRevTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_revtv_set_property; + gobject_class->get_property = gst_revtv_get_property; + + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DELAY, + g_param_spec_int ("delay", "Delay", "Delay in frames between updates", + 1, 100, 1, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LINESPACE, + g_param_spec_int ("linespace", "Linespace", "Control line spacing", 1, + 100, 6, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GAIN, + g_param_spec_int ("gain", "Gain", "Control gain", 1, 200, 50, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + gst_element_class_set_static_metadata (gstelement_class, "RevTV effect", + "Filter/Effect/Video", + "A video waveform monitor for each line of video processed", + "Wim Taymans <wim.taymans@gmail.be>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_revtv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_revtv_src_template)); + + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_revtv_transform_frame); +} + +static void +gst_revtv_init (GstRevTV * restv) +{ + restv->vgrabtime = 1; + restv->vgrab = 0; + restv->linespace = 6; + restv->vscale = 50; +} diff --git a/gst/effectv/gstrev.h b/gst/effectv/gstrev.h new file mode 100644 index 0000000..198311b --- /dev/null +++ b/gst/effectv/gstrev.h @@ -0,0 +1,87 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001 FUKUCHI Kentarou + * + * revTV based on Rutt-Etra Video Synthesizer 1974? + + * (c)2002 Ed Tannenbaum + * + * This effect acts like a waveform monitor on each line. + * It was originally done by deflecting the electron beam on a monitor using + * additional electromagnets on the yoke of a b/w CRT. + * Here it is emulated digitally. + + * Experimaental tapes were made with this system by Bill and + * Louise Etra and Woody and Steina Vasulka + + * The line spacing can be controlled using the 1 and 2 Keys. + * The gain is controlled using the 3 and 4 keys. + * The update rate is controlled using the 0 and - keys. + + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_REV_H__ +#define __GST_REV_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_REVTV \ + (gst_revtv_get_type()) +#define GST_REVTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_REVTV,GstRevTV)) +#define GST_REVTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_REVTV,GstRevTVClass)) +#define GST_IS_REVTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_REVTV)) +#define GST_IS_REVTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_REVTV)) + +typedef struct _GstRevTV GstRevTV; +typedef struct _GstRevTVClass GstRevTVClass; + +struct _GstRevTV +{ + GstVideoFilter videofilter; + + /* < private > */ + gint vgrabtime; + gint vgrab; + gint linespace; + gint vscale; +}; + +struct _GstRevTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_revtv_get_type (void); + +G_END_DECLS + +#endif /* __GST_REV_H__ */ diff --git a/gst/effectv/gstripple.c b/gst/effectv/gstripple.c new file mode 100644 index 0000000..71b9796 --- /dev/null +++ b/gst/effectv/gstripple.c @@ -0,0 +1,619 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * RippleTV - Water ripple effect. + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * This combines the RippleTV and BaltanTV effects, which are + * very similar. BaltanTV is used if the feedback property is set + * to TRUE, otherwise RippleTV is used. + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-rippletv + * + * RippleTV does ripple mark effect on the video input. The ripple is caused + * by motion or random rain drops. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! rippletv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of rippletv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstripple.h" +#include "gsteffectv.h" + +#define DEFAULT_MODE 0 + +enum +{ + PROP_0, + PROP_RESET, + PROP_MODE +}; + +static gint sqrtable[256]; + +#define GST_TYPE_RIPPLETV_MODE (gst_rippletv_mode_get_type()) +static GType +gst_rippletv_mode_get_type (void) +{ + static GType type = 0; + + static const GEnumValue enumvalue[] = { + {0, "Motion Detection", "motion-detection"}, + {1, "Rain", "rain"}, + {0, NULL, NULL}, + }; + + if (!type) { + type = g_enum_register_static ("GstRippleTVMode", enumvalue); + } + return type; +} + +#define gst_rippletv_parent_class parent_class +G_DEFINE_TYPE (GstRippleTV, gst_rippletv, GST_TYPE_VIDEO_FILTER); + +static GstStaticPadTemplate gst_rippletv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }")) + ); + +static GstStaticPadTemplate gst_rippletv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }")) + ); + +static const gint point = 16; +static const gint impact = 2; +static const gint decay = 8; +static const gint loopnum = 2; + +static void +setTable (void) +{ + gint i; + + for (i = 0; i < 128; i++) { + sqrtable[i] = i * i; + } + for (i = 1; i <= 128; i++) { + sqrtable[256 - i] = -i * i; + } +} + +static void +image_bgset_y (guint32 * src, gint16 * background, gint video_area) +{ + gint i; + gint R, G, B; + guint32 *p; + gint16 *q; + + p = src; + q = background; + for (i = 0; i < video_area; i++) { + R = ((*p) & 0xff0000) >> (16 - 1); + G = ((*p) & 0xff00) >> (8 - 2); + B = (*p) & 0xff; + *q = (gint16) (R + G + B); + p++; + q++; + } +} + +static gint +setBackground (GstRippleTV * filter, guint32 * src) +{ + GstVideoInfo *info; + + info = &GST_VIDEO_FILTER (filter)->in_info; + + image_bgset_y (src, filter->background, + GST_VIDEO_INFO_WIDTH (info) * GST_VIDEO_INFO_HEIGHT (info)); + filter->bg_is_set = TRUE; + + return 0; +} + +static void +image_bgsubtract_update_y (guint32 * src, gint16 * background, guint8 * diff, + gint video_area) +{ + gint i; + gint R, G, B; + guint32 *p; + gint16 *q; + guint8 *r; + gint v; + + p = src; + q = background; + r = diff; + for (i = 0; i < video_area; i++) { + R = ((*p) & 0xff0000) >> (16 - 1); + G = ((*p) & 0xff00) >> (8 - 2); + B = (*p) & 0xff; + v = (R + G + B) - (gint) (*q); + *q = (gint16) (R + G + B); + *r = ((v + 70 * 7) >> 24) | ((70 * 7 - v) >> 24); + + p++; + q++; + r++; + } +} + +static void +motiondetect (GstRippleTV * filter, guint32 * src) +{ + guint8 *diff = filter->diff; + gint width, height; + gint *p, *q; + gint x, y, h; + GstVideoInfo *info; + + info = &GST_VIDEO_FILTER (filter)->in_info; + + width = GST_VIDEO_INFO_WIDTH (info); + height = GST_VIDEO_INFO_HEIGHT (info); + + if (!filter->bg_is_set) + setBackground (filter, src); + + image_bgsubtract_update_y (src, filter->background, filter->diff, + width * height); + p = filter->map1 + filter->map_w + 1; + q = filter->map2 + filter->map_w + 1; + diff += width + 2; + + for (y = filter->map_h - 2; y > 0; y--) { + for (x = filter->map_w - 2; x > 0; x--) { + h = (gint) * diff + (gint) * (diff + 1) + (gint) * (diff + width) + + (gint) * (diff + width + 1); + if (h > 0) { + *p = h << (point + impact - 8); + *q = *p; + } + p++; + q++; + diff += 2; + } + diff += width + 2; + p += 2; + q += 2; + } +} + +static inline void +drop (gint power, gint * map1, gint * map2, gint map_w, gint map_h) +{ + gint x, y; + gint *p, *q; + + x = fastrand () % (map_w - 4) + 2; + y = fastrand () % (map_h - 4) + 2; + p = map1 + y * map_w + x; + q = map2 + y * map_w + x; + *p = power; + *q = power; + *(p - map_w) = *(p - 1) = *(p + 1) = *(p + map_w) = power / 2; + *(p - map_w - 1) = *(p - map_w + 1) = *(p + map_w - 1) = *(p + map_w + 1) = + power / 4; + *(q - map_w) = *(q - 1) = *(q + 1) = *(q + map_w) = power / 2; + *(q - map_w - 1) = *(q - map_w + 1) = *(q + map_w - 1) = *(p + map_w + 1) = + power / 4; +} + +static void +raindrop (GstRippleTV * filter) +{ + gint i; + + if (filter->period == 0) { + switch (filter->rain_stat) { + case 0: + filter->period = (fastrand () >> 23) + 100; + filter->drop_prob = 0; + filter->drop_prob_increment = 0x00ffffff / filter->period; + filter->drop_power = (-(fastrand () >> 28) - 2) << point; + filter->drops_per_frame_max = 2 << (fastrand () >> 30); // 2,4,8 or 16 + filter->rain_stat = 1; + break; + case 1: + filter->drop_prob = 0x00ffffff; + filter->drops_per_frame = 1; + filter->drop_prob_increment = 1; + filter->period = (filter->drops_per_frame_max - 1) * 16; + filter->rain_stat = 2; + break; + case 2: + filter->period = (fastrand () >> 22) + 1000; + filter->drop_prob_increment = 0; + filter->rain_stat = 3; + break; + case 3: + filter->period = (filter->drops_per_frame_max - 1) * 16; + filter->drop_prob_increment = -1; + filter->rain_stat = 4; + break; + case 4: + filter->period = (fastrand () >> 24) + 60; + filter->drop_prob_increment = -(filter->drop_prob / filter->period); + filter->rain_stat = 5; + break; + case 5: + default: + filter->period = (fastrand () >> 23) + 500; + filter->drop_prob = 0; + filter->rain_stat = 0; + break; + } + } + switch (filter->rain_stat) { + default: + case 0: + break; + case 1: + case 5: + if ((fastrand () >> 8) < filter->drop_prob) { + drop (filter->drop_power, filter->map1, filter->map2, filter->map_w, + filter->map_h); + } + filter->drop_prob += filter->drop_prob_increment; + break; + case 2: + case 3: + case 4: + for (i = filter->drops_per_frame / 16; i > 0; i--) { + drop (filter->drop_power, filter->map1, filter->map2, filter->map_w, + filter->map_h); + } + filter->drops_per_frame += filter->drop_prob_increment; + break; + } + filter->period--; +} + +static GstFlowReturn +gst_rippletv_transform_frame (GstVideoFilter * vfilter, + GstVideoFrame * in_frame, GstVideoFrame * out_frame) +{ + GstRippleTV *filter = GST_RIPPLETV (vfilter); + guint32 *src, *dest; + gint x, y, i; + gint dx, dy, o_dx; + gint h, v; + gint m_w, m_h, v_w, v_h; + gint *p, *q, *r; + gint8 *vp; + GstClockTime timestamp, stream_time; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (vfilter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + GST_OBJECT_LOCK (filter); + /* impact from the motion or rain drop */ + if (filter->mode) + raindrop (filter); + else + motiondetect (filter, src); + + m_w = filter->map_w; + m_h = filter->map_h; + v_w = GST_VIDEO_FRAME_WIDTH (in_frame); + v_h = GST_VIDEO_FRAME_HEIGHT (in_frame); + + /* simulate surface wave */ + + /* This function is called only 30 times per second. To increase a speed + * of wave, iterates this loop several times. */ + for (i = loopnum; i > 0; i--) { + /* wave simulation */ + p = filter->map1 + m_w + 1; + q = filter->map2 + m_w + 1; + r = filter->map3 + m_w + 1; + for (y = m_h - 2; y > 0; y--) { + for (x = m_w - 2; x > 0; x--) { + h = *(p - m_w - 1) + *(p - m_w + 1) + *(p + m_w - 1) + *(p + m_w + 1) + + *(p - m_w) + *(p - 1) + *(p + 1) + *(p + m_w) - (*p) * 9; + h = h >> 3; + v = *p - *q; + v += h - (v >> decay); + *r = v + *p; + p++; + q++; + r++; + } + p += 2; + q += 2; + r += 2; + } + + /* low pass filter */ + p = filter->map3 + m_w + 1; + q = filter->map2 + m_w + 1; + for (y = m_h - 2; y > 0; y--) { + for (x = m_w - 2; x > 0; x--) { + h = *(p - m_w) + *(p - 1) + *(p + 1) + *(p + m_w) + (*p) * 60; + *q = h >> 6; + p++; + q++; + } + p += 2; + q += 2; + } + + p = filter->map1; + filter->map1 = filter->map2; + filter->map2 = p; + } + + vp = filter->vtable; + p = filter->map1; + for (y = m_h - 1; y > 0; y--) { + for (x = m_w - 1; x > 0; x--) { + /* difference of the height between two voxel. They are twiced to + * emphasise the wave. */ + vp[0] = sqrtable[((p[0] - p[1]) >> (point - 1)) & 0xff]; + vp[1] = sqrtable[((p[0] - p[m_w]) >> (point - 1)) & 0xff]; + p++; + vp += 2; + } + p++; + vp += 2; + } + + vp = filter->vtable; + + /* draw refracted image. The vector table is stretched. */ + for (y = 0; y < v_h; y += 2) { + for (x = 0; x < v_w; x += 2) { + h = (gint) vp[0]; + v = (gint) vp[1]; + dx = x + h; + dy = y + v; + dx = CLAMP (dx, 0, (v_w - 2)); + dy = CLAMP (dy, 0, (v_h - 2)); + dest[0] = src[dy * v_w + dx]; + + o_dx = dx; + + dx = x + 1 + (h + (gint) vp[2]) / 2; + dx = CLAMP (dx, 0, (v_w - 2)); + dest[1] = src[dy * v_w + dx]; + + dy = y + 1 + (v + (gint) vp[m_w * 2 + 1]) / 2; + dy = CLAMP (dy, 0, (v_h - 2)); + dest[v_w] = src[dy * v_w + o_dx]; + + dest[v_w + 1] = src[dy * v_w + dx]; + dest += 2; + vp += 2; + } + dest += v_w; + vp += 2; + } + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static gboolean +gst_rippletv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstRippleTV *filter = GST_RIPPLETV (vfilter); + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + GST_OBJECT_LOCK (filter); + filter->map_h = height / 2 + 1; + filter->map_w = width / 2 + 1; + + /* we over allocate the buffers, as the render code does not handle clipping + * very well */ + if (filter->map) + g_free (filter->map); + filter->map = g_new0 (gint, (1 + filter->map_h) * filter->map_w * 3); + + filter->map1 = filter->map; + filter->map2 = filter->map + filter->map_w * filter->map_h; + filter->map3 = filter->map + filter->map_w * filter->map_h * 2; + + if (filter->vtable) + g_free (filter->vtable); + filter->vtable = g_new0 (gint8, (1 + filter->map_h) * filter->map_w * 2); + + if (filter->background) + g_free (filter->background); + filter->background = g_new0 (gint16, width * (height + 1)); + + if (filter->diff) + g_free (filter->diff); + filter->diff = g_new0 (guint8, width * (height + 1)); + GST_OBJECT_UNLOCK (filter); + + return TRUE; +} + +static gboolean +gst_rippletv_start (GstBaseTransform * trans) +{ + GstRippleTV *filter = GST_RIPPLETV (trans); + + filter->bg_is_set = FALSE; + + filter->period = 0; + filter->rain_stat = 0; + filter->drop_prob = 0; + filter->drop_prob_increment = 0; + filter->drops_per_frame_max = 0; + filter->drops_per_frame = 0; + filter->drop_power = 0; + + return TRUE; +} + +static void +gst_rippletv_finalize (GObject * object) +{ + GstRippleTV *filter = GST_RIPPLETV (object); + + if (filter->map) + g_free (filter->map); + filter->map = NULL; + + if (filter->vtable) + g_free (filter->vtable); + filter->vtable = NULL; + + if (filter->background) + g_free (filter->background); + filter->background = NULL; + + if (filter->diff) + g_free (filter->diff); + filter->diff = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_rippletv_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRippleTV *filter = GST_RIPPLETV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_RESET:{ + memset (filter->map, 0, + filter->map_h * filter->map_w * 2 * sizeof (gint)); + break; + } + case PROP_MODE: + filter->mode = g_value_get_enum (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_rippletv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRippleTV *filter = GST_RIPPLETV (object); + + switch (prop_id) { + case PROP_MODE: + g_value_set_enum (value, filter->mode); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rippletv_class_init (GstRippleTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_rippletv_set_property; + gobject_class->get_property = gst_rippletv_get_property; + + gobject_class->finalize = gst_rippletv_finalize; + + g_object_class_install_property (gobject_class, PROP_RESET, + g_param_spec_boolean ("reset", "Reset", + "Reset all current ripples", FALSE, + G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + g_object_class_install_property (gobject_class, PROP_MODE, + g_param_spec_enum ("mode", "Mode", + "Mode", GST_TYPE_RIPPLETV_MODE, DEFAULT_MODE, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE)); + + gst_element_class_set_static_metadata (gstelement_class, "RippleTV effect", + "Filter/Effect/Video", + "RippleTV does ripple mark effect on the video input", + "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, " + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_rippletv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_rippletv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_rippletv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_rippletv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_rippletv_transform_frame); + + setTable (); +} + +static void +gst_rippletv_init (GstRippleTV * filter) +{ + filter->mode = DEFAULT_MODE; + + /* FIXME: remove this when memory corruption after resizes are fixed */ + gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (filter)); + gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (filter)); +} diff --git a/gst/effectv/gstripple.h b/gst/effectv/gstripple.h new file mode 100644 index 0000000..329e543 --- /dev/null +++ b/gst/effectv/gstripple.h @@ -0,0 +1,86 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * RippleTV - Water ripple effect. + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_RIPPLE_H__ +#define __GST_RIPPLE_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_RIPPLETV \ + (gst_rippletv_get_type()) +#define GST_RIPPLETV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RIPPLETV,GstRippleTV)) +#define GST_RIPPLETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RIPPLETV,GstRippleTVClass)) +#define GST_IS_RIPPLETV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RIPPLETV)) +#define GST_IS_RIPPLETV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RIPPLETV)) + +typedef struct _GstRippleTV GstRippleTV; +typedef struct _GstRippleTVClass GstRippleTVClass; + +struct _GstRippleTV +{ + GstVideoFilter element; + + /* < private > */ + gint mode; + + gint16 *background; + guint8 *diff; + + gint *map, *map1, *map2, *map3; + gint map_h, map_w; + + gint8 *vtable; + + gboolean bg_is_set; + + gint period; + gint rain_stat; + guint drop_prob; + gint drop_prob_increment; + gint drops_per_frame_max; + gint drops_per_frame; + gint drop_power; +}; + +struct _GstRippleTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_rippletv_get_type (void); + +G_END_DECLS + +#endif /* __GST_RIPPLE_H__ */ diff --git a/gst/effectv/gstshagadelic.c b/gst/effectv/gstshagadelic.c new file mode 100644 index 0000000..956e5dd --- /dev/null +++ b/gst/effectv/gstshagadelic.c @@ -0,0 +1,258 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * Inspired by Adrian Likin's script for the GIMP. + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-shagadelictv + * + * Oh behave, ShagedelicTV makes images shagadelic! + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! shagadelictv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of shagadelictv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstshagadelic.h" +#include "gsteffectv.h" + +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + +#define gst_shagadelictv_parent_class parent_class +G_DEFINE_TYPE (GstShagadelicTV, gst_shagadelictv, GST_TYPE_VIDEO_FILTER); + +static void gst_shagadelic_initialize (GstShagadelicTV * filter, + GstVideoInfo * in_info); + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("BGRx") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("xRGB") +#endif + +static GstStaticPadTemplate gst_shagadelictv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_shagadelictv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static gboolean +gst_shagadelictv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstShagadelicTV *filter = GST_SHAGADELICTV (vfilter); + gint width, height, area; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + area = width * height; + + g_free (filter->ripple); + g_free (filter->spiral); + filter->ripple = (guint8 *) g_malloc (area * 4); + filter->spiral = (guint8 *) g_malloc (area); + + gst_shagadelic_initialize (filter, in_info); + + return TRUE; +} + +static void +gst_shagadelic_initialize (GstShagadelicTV * filter, GstVideoInfo * info) +{ + int i, x, y; +#ifdef PS2 + float xx, yy; +#else + double xx, yy; +#endif + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (info); + height = GST_VIDEO_INFO_HEIGHT (info); + + i = 0; + for (y = 0; y < height * 2; y++) { + yy = y - height; + yy *= yy; + + for (x = 0; x < width * 2; x++) { + xx = x - width; +#ifdef PS2 + filter->ripple[i++] = ((unsigned int) (sqrtf (xx * xx + yy) * 8)) & 255; +#else + filter->ripple[i++] = ((unsigned int) (sqrt (xx * xx + yy) * 8)) & 255; +#endif + } + } + + i = 0; + for (y = 0; y < height; y++) { + yy = y - height / 2; + + for (x = 0; x < width; x++) { + xx = x - width / 2; +#ifdef PS2 + filter->spiral[i++] = ((unsigned int) + ((atan2f (xx, + yy) / ((float) M_PI) * 256 * 9) + (sqrtf (xx * xx + + yy * yy) * 5))) & 255; +#else + filter->spiral[i++] = ((unsigned int) + ((atan2 (xx, yy) / M_PI * 256 * 9) + (sqrt (xx * xx + + yy * yy) * 5))) & 255; +#endif +/* Here is another Swinger! + * ((atan2(xx, yy)/M_PI*256) + (sqrt(xx*xx+yy*yy)*10))&255; + */ + } + } + filter->rx = fastrand () % width; + filter->ry = fastrand () % height; + filter->bx = fastrand () % width; + filter->by = fastrand () % height; + filter->rvx = -2; + filter->rvy = -2; + filter->bvx = 2; + filter->bvy = 2; + filter->phase = 0; +} + +static GstFlowReturn +gst_shagadelictv_transform_frame (GstVideoFilter * vfilter, + GstVideoFrame * in_frame, GstVideoFrame * out_frame) +{ + GstShagadelicTV *filter = GST_SHAGADELICTV (vfilter); + guint32 *src, *dest; + gint x, y; + guint32 v; + guint8 r, g, b; + gint width, height; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + v = *src++ | 0x1010100; + v = (v - 0x707060) & 0x1010100; + v -= v >> 8; +/* Try another Babe! + * v = *src++; + * *dest++ = v & ((r<<16)|(g<<8)|b); + */ + r = ((gint8) (filter->ripple[(filter->ry + y) * width * 2 + filter->rx + + x] + filter->phase * 2)) >> 7; + g = ((gint8) (filter->spiral[y * width + x] + filter->phase * 3)) >> 7; + b = ((gint8) (filter->ripple[(filter->by + y) * width * 2 + filter->bx + + x] - filter->phase)) >> 7; + *dest++ = v & ((r << 16) | (g << 8) | b); + } + } + + filter->phase -= 8; + if ((filter->rx + filter->rvx) < 0 || (filter->rx + filter->rvx) >= width) + filter->rvx = -filter->rvx; + if ((filter->ry + filter->rvy) < 0 || (filter->ry + filter->rvy) >= height) + filter->rvy = -filter->rvy; + if ((filter->bx + filter->bvx) < 0 || (filter->bx + filter->bvx) >= width) + filter->bvx = -filter->bvx; + if ((filter->by + filter->bvy) < 0 || (filter->by + filter->bvy) >= height) + filter->bvy = -filter->bvy; + filter->rx += filter->rvx; + filter->ry += filter->rvy; + filter->bx += filter->bvx; + filter->by += filter->bvy; + + return GST_FLOW_OK; +} + +static void +gst_shagadelictv_finalize (GObject * object) +{ + GstShagadelicTV *filter = GST_SHAGADELICTV (object); + + if (filter->ripple) + g_free (filter->ripple); + filter->ripple = NULL; + + if (filter->spiral) + g_free (filter->spiral); + filter->spiral = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_shagadelictv_class_init (GstShagadelicTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->finalize = gst_shagadelictv_finalize; + + gst_element_class_set_static_metadata (gstelement_class, "ShagadelicTV", + "Filter/Effect/Video", + "Oh behave, ShagedelicTV makes images shagadelic!", + "Wim Taymans <wim.taymans@chello.be>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_shagadelictv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_shagadelictv_src_template)); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_shagadelictv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_shagadelictv_transform_frame); +} + +static void +gst_shagadelictv_init (GstShagadelicTV * filter) +{ + filter->ripple = NULL; + filter->spiral = NULL; +} diff --git a/gst/effectv/gstshagadelic.h b/gst/effectv/gstshagadelic.h new file mode 100644 index 0000000..a89cbf4 --- /dev/null +++ b/gst/effectv/gstshagadelic.h @@ -0,0 +1,72 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * Inspired by Adrian Likin's script for the GIMP. + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_SHAGADELIC_H__ +#define __GST_SHAGADELIC_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_SHAGADELICTV \ + (gst_shagadelictv_get_type()) +#define GST_SHAGADELICTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SHAGADELICTV,GstShagadelicTV)) +#define GST_SHAGADELICTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SHAGADELICTV,GstShagadelicTVClass)) +#define GST_IS_SHAGADELICTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SHAGADELICTV)) +#define GST_IS_SHAGADELICTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SHAGADELICTV)) + +typedef struct _GstShagadelicTV GstShagadelicTV; +typedef struct _GstShagadelicTVClass GstShagadelicTVClass; + +struct _GstShagadelicTV +{ + GstVideoFilter videofilter; + + /* < private > */ + guint8 *ripple; + guint8 *spiral; + guint8 phase; + gint rx, ry; + gint bx, by; + gint rvx, rvy; + gint bvx, bvy; +}; + +struct _GstShagadelicTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_shagadelictv_get_type (void); + +G_END_DECLS + +#endif /* __GST_SHAGADELIC_H__ */ diff --git a/gst/effectv/gststreak.c b/gst/effectv/gststreak.c new file mode 100644 index 0000000..6eeb08d --- /dev/null +++ b/gst/effectv/gststreak.c @@ -0,0 +1,266 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * StreakTV - afterimage effector. + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * This combines the StreakTV and BaltanTV effects, which are + * very similar. BaltanTV is used if the feedback property is set + * to TRUE, otherwise StreakTV is used. + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-streaktv + * + * StreakTV makes after images of moving objects. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! streaktv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of streaktv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gststreak.h" +#include "gsteffectv.h" + +#define DEFAULT_FEEDBACK FALSE + +enum +{ + PROP_0, + PROP_FEEDBACK +}; + +#define gst_streaktv_parent_class parent_class +G_DEFINE_TYPE (GstStreakTV, gst_streaktv, GST_TYPE_VIDEO_FILTER); + +static GstStaticPadTemplate gst_streaktv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }")) + ); + +static GstStaticPadTemplate gst_streaktv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx, xBGR, xRGB }")) + ); + + +static GstFlowReturn +gst_streaktv_transform_frame (GstVideoFilter * vfilter, + GstVideoFrame * in_frame, GstVideoFrame * out_frame) +{ + GstStreakTV *filter = GST_STREAKTV (vfilter); + guint32 *src, *dest; + gint i, cf; + gint video_area, width, height; + guint32 **planetable = filter->planetable; + gint plane = filter->plane; + guint stride_mask, stride_shift, stride; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + video_area = width * height; + + GST_OBJECT_LOCK (filter); + if (filter->feedback) { + stride_mask = 0xfcfcfcfc; + stride = 8; + stride_shift = 2; + } else { + stride_mask = 0xf8f8f8f8; + stride = 4; + stride_shift = 3; + } + + for (i = 0; i < video_area; i++) { + planetable[plane][i] = (src[i] & stride_mask) >> stride_shift; + } + + cf = plane & (stride - 1); + if (filter->feedback) { + for (i = 0; i < video_area; i++) { + dest[i] = planetable[cf][i] + + planetable[cf + stride][i] + + planetable[cf + stride * 2][i] + + planetable[cf + stride * 3][i]; + planetable[plane][i] = (dest[i] & stride_mask) >> stride_shift; + } + } else { + for (i = 0; i < video_area; i++) { + dest[i] = planetable[cf][i] + + planetable[cf + stride][i] + + planetable[cf + stride * 2][i] + + planetable[cf + stride * 3][i] + + planetable[cf + stride * 4][i] + + planetable[cf + stride * 5][i] + + planetable[cf + stride * 6][i] + + planetable[cf + stride * 7][i]; + } + } + + plane++; + filter->plane = plane & (PLANES - 1); + GST_OBJECT_UNLOCK (filter); + + return GST_FLOW_OK; +} + +static gboolean +gst_streaktv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstStreakTV *filter = GST_STREAKTV (vfilter); + gint i, width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + if (filter->planebuffer) + g_free (filter->planebuffer); + + filter->planebuffer = g_new0 (guint32, width * height * 4 * PLANES); + + for (i = 0; i < PLANES; i++) + filter->planetable[i] = &filter->planebuffer[width * height * i]; + + return TRUE; +} + +static gboolean +gst_streaktv_start (GstBaseTransform * trans) +{ + GstStreakTV *filter = GST_STREAKTV (trans); + + filter->plane = 0; + + return TRUE; +} + +static void +gst_streaktv_finalize (GObject * object) +{ + GstStreakTV *filter = GST_STREAKTV (object); + + if (filter->planebuffer) { + g_free (filter->planebuffer); + filter->planebuffer = NULL; + } + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_streaktv_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstStreakTV *filter = GST_STREAKTV (object); + + switch (prop_id) { + case PROP_FEEDBACK: + if (G_UNLIKELY (GST_STATE (filter) >= GST_STATE_PAUSED)) { + g_warning ("Changing the \"feedback\" property only allowed " + "in state < PLAYING"); + return; + } + + filter->feedback = g_value_get_boolean (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_streaktv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstStreakTV *filter = GST_STREAKTV (object); + + switch (prop_id) { + case PROP_FEEDBACK: + g_value_set_boolean (value, filter->feedback); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_streaktv_class_init (GstStreakTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_streaktv_set_property; + gobject_class->get_property = gst_streaktv_get_property; + + gobject_class->finalize = gst_streaktv_finalize; + + g_object_class_install_property (gobject_class, PROP_FEEDBACK, + g_param_spec_boolean ("feedback", "Feedback", + "Feedback", DEFAULT_FEEDBACK, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + gst_element_class_set_static_metadata (gstelement_class, "StreakTV effect", + "Filter/Effect/Video", + "StreakTV makes after images of moving objects", + "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, " + "Sebastian Dröge <sebastian.droege@collabora.co.uk>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_streaktv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_streaktv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_streaktv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_streaktv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_streaktv_transform_frame); +} + +static void +gst_streaktv_init (GstStreakTV * filter) +{ + filter->feedback = DEFAULT_FEEDBACK; +} diff --git a/gst/effectv/gststreak.h b/gst/effectv/gststreak.h new file mode 100644 index 0000000..5d9362d --- /dev/null +++ b/gst/effectv/gststreak.h @@ -0,0 +1,74 @@ +/* GStreamer + * Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2006 FUKUCHI Kentaro + * + * StreakTV - afterimage effector. + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_STREAK_H__ +#define __GST_STREAK_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_STREAKTV \ + (gst_streaktv_get_type()) +#define GST_STREAKTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_STREAKTV,GstStreakTV)) +#define GST_STREAKTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_STREAKTV,GstStreakTVClass)) +#define GST_IS_STREAKTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_STREAKTV)) +#define GST_IS_STREAKTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STREAKTV)) + +typedef struct _GstStreakTV GstStreakTV; +typedef struct _GstStreakTVClass GstStreakTVClass; + +#define PLANES 32 + +struct _GstStreakTV +{ + GstVideoFilter element; + + /* < private > */ + gboolean feedback; + + guint32 *planebuffer; + guint32 *planetable[PLANES]; + gint plane; +}; + +struct _GstStreakTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_streaktv_get_type (void); + +G_END_DECLS + +#endif /* __GST_STREAK_H__ */ diff --git a/gst/effectv/gstvertigo.c b/gst/effectv/gstvertigo.c new file mode 100644 index 0000000..3e575cb --- /dev/null +++ b/gst/effectv/gstvertigo.c @@ -0,0 +1,327 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/** + * SECTION:element-vertigotv + * + * VertigoTV is a loopback alpha blending effector with rotating and scaling. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! vertigotv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of vertigotv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <math.h> +#include <string.h> + +#include "gstvertigo.h" + +#define gst_vertigotv_parent_class parent_class +G_DEFINE_TYPE (GstVertigoTV, gst_vertigotv, GST_TYPE_VIDEO_FILTER); + +/* Filter signals and args */ +enum +{ + PROP_0, + PROP_SPEED, + PROP_ZOOM_SPEED +}; + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ RGBx, BGRx }") +#else +#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR }") +#endif + +static GstStaticPadTemplate gst_vertigotv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static GstStaticPadTemplate gst_vertigotv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (CAPS_STR) + ); + +static gboolean +gst_vertigotv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstVertigoTV *filter = GST_VERTIGOTV (vfilter); + gint area, width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + area = width * height; + + g_free (filter->buffer); + filter->buffer = (guint32 *) g_malloc0 (area * 2 * sizeof (guint32)); + + filter->current_buffer = filter->buffer; + filter->alt_buffer = filter->buffer + area; + filter->phase = 0; + + return TRUE; +} + +static void +gst_vertigotv_set_parms (GstVertigoTV * filter) +{ + double vx, vy; + double t; + double x, y; + double dizz; + gint width, height; + GstVideoInfo *info; + + dizz = sin (filter->phase) * 10 + sin (filter->phase * 1.9 + 5) * 5; + + info = &GST_VIDEO_FILTER (filter)->in_info; + + width = GST_VIDEO_INFO_WIDTH (info); + height = GST_VIDEO_INFO_HEIGHT (info); + + x = width / 2; + y = height / 2; + + t = (x * x + y * y) * filter->zoomrate; + + if (width > height) { + if (dizz >= 0) { + if (dizz > x) + dizz = x; + vx = (x * (x - dizz) + y * y) / t; + } else { + if (dizz < -x) + dizz = -x; + vx = (x * (x + dizz) + y * y) / t; + } + vy = (dizz * y) / t; + } else { + if (dizz >= 0) { + if (dizz > y) + dizz = y; + vx = (x * x + y * (y - dizz)) / t; + } else { + if (dizz < -y) + dizz = -y; + vx = (x * x + y * (y + dizz)) / t; + } + vy = (dizz * x) / t; + } + filter->dx = vx * 65536; + filter->dy = vy * 65536; + filter->sx = (-vx * x + vy * y + x + cos (filter->phase * 5) * 2) * 65536; + filter->sy = (-vx * y - vy * x + y + sin (filter->phase * 6) * 2) * 65536; + + filter->phase += filter->phase_increment; + if (filter->phase > 5700000) + filter->phase = 0; +} + +static GstFlowReturn +gst_vertigotv_transform_frame (GstVideoFilter * vfilter, + GstVideoFrame * in_frame, GstVideoFrame * out_frame) +{ + GstVertigoTV *filter = GST_VERTIGOTV (vfilter); + guint32 *src, *dest, *p; + guint32 v; + gint x, y, ox, oy, i, width, height, area, sstride, dstride; + GstClockTime timestamp, stream_time; + + timestamp = GST_BUFFER_TIMESTAMP (in_frame->buffer); + stream_time = + gst_segment_to_stream_time (&GST_BASE_TRANSFORM (filter)->segment, + GST_FORMAT_TIME, timestamp); + + GST_DEBUG_OBJECT (filter, "sync to %" GST_TIME_FORMAT, + GST_TIME_ARGS (timestamp)); + + if (GST_CLOCK_TIME_IS_VALID (stream_time)) + gst_object_sync_values (GST_OBJECT (filter), stream_time); + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + sstride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + dstride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + area = width * height; + + sstride /= 4; + dstride /= 4; + + gst_vertigotv_set_parms (filter); + p = filter->alt_buffer; + + for (y = 0; y < height; y++) { + ox = filter->sx; + oy = filter->sy; + + for (x = 0; x < width; x++) { + i = (oy >> 16) * width + (ox >> 16); + if (i < 0) + i = 0; + if (i >= area) + i = area; + + v = filter->current_buffer[i] & 0xfcfcff; + v = (v * 3) + (src[x] & 0xfcfcff); + + *p++ = dest[x] = (v >> 2); + ox += filter->dx; + oy += filter->dy; + } + filter->sx -= filter->dy; + filter->sy += filter->dx; + + src += sstride; + dest += dstride; + } + + p = filter->current_buffer; + filter->current_buffer = filter->alt_buffer; + filter->alt_buffer = p; + + return GST_FLOW_OK; +} + +static gboolean +gst_vertigotv_start (GstBaseTransform * trans) +{ + GstVertigoTV *filter = GST_VERTIGOTV (trans); + + filter->phase = 0.0; + + return TRUE; +} + +static void +gst_vertigotv_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstVertigoTV *filter = GST_VERTIGOTV (object); + + GST_OBJECT_LOCK (filter); + switch (prop_id) { + case PROP_SPEED: + filter->phase_increment = g_value_get_float (value); + break; + case PROP_ZOOM_SPEED: + filter->zoomrate = g_value_get_float (value); + break; + default: + break; + } + GST_OBJECT_UNLOCK (filter); +} + +static void +gst_vertigotv_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstVertigoTV *filter = GST_VERTIGOTV (object); + + switch (prop_id) { + case PROP_SPEED: + g_value_set_float (value, filter->phase_increment); + break; + case PROP_ZOOM_SPEED: + g_value_set_float (value, filter->zoomrate); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_vertigotv_finalize (GObject * object) +{ + GstVertigoTV *filter = GST_VERTIGOTV (object); + + g_free (filter->buffer); + filter->buffer = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_vertigotv_class_init (GstVertigoTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->set_property = gst_vertigotv_set_property; + gobject_class->get_property = gst_vertigotv_get_property; + gobject_class->finalize = gst_vertigotv_finalize; + + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SPEED, + g_param_spec_float ("speed", "Speed", "Control the speed of movement", + 0.01, 100.0, 0.02, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ZOOM_SPEED, + g_param_spec_float ("zoom-speed", "Zoom Speed", + "Control the rate of zooming", 1.01, 1.1, 1.01, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + gst_element_class_set_static_metadata (gstelement_class, "VertigoTV effect", + "Filter/Effect/Video", + "A loopback alpha blending effector with rotating and scaling", + "Wim Taymans <wim.taymans@gmail.be>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_vertigotv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_vertigotv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_vertigotv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_vertigotv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_vertigotv_transform_frame); +} + +static void +gst_vertigotv_init (GstVertigoTV * filter) +{ + filter->buffer = NULL; + filter->phase = 0.0; + filter->phase_increment = 0.02; + filter->zoomrate = 1.01; +} diff --git a/gst/effectv/gstvertigo.h b/gst/effectv/gstvertigo.h new file mode 100644 index 0000000..39c225b --- /dev/null +++ b/gst/effectv/gstvertigo.h @@ -0,0 +1,71 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * EffecTV: + * Copyright (C) 2001 FUKUCHI Kentarou + * + * EffecTV is free software. This library is free software; + * you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_VERTIGO_H__ +#define __GST_VERTIGO_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_VERTIGOTV \ + (gst_vertigotv_get_type()) +#define GST_VERTIGOTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VERTIGOTV,GstVertigoTV)) +#define GST_VERTIGOTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VERTIGOTV,GstVertigoTVClass)) +#define GST_IS_VERTIGOTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VERTIGOTV)) +#define GST_IS_VERTIGOTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VERTIGOTV)) + +typedef struct _GstVertigoTV GstVertigoTV; +typedef struct _GstVertigoTVClass GstVertigoTVClass; + +struct _GstVertigoTV +{ + GstVideoFilter videofilter; + + /* < private > */ + guint32 *buffer; + guint32 *current_buffer, *alt_buffer; + gint dx, dy; + gint sx, sy; + gdouble phase; + gdouble phase_increment; + gdouble zoomrate; +}; + +struct _GstVertigoTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_vertigotv_get_type (void); + +G_END_DECLS + +#endif /* __GST_VERTIGO_H__ */ diff --git a/gst/effectv/gstwarp.c b/gst/effectv/gstwarp.c new file mode 100644 index 0000000..327c9de --- /dev/null +++ b/gst/effectv/gstwarp.c @@ -0,0 +1,266 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2003> David Schleef <ds@schleef.org> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001 FUKUCHI Kentarou + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +/* + * This file was (probably) generated from gstvideotemplate.c, + * gstvideotemplate.c,v 1.11 2004/01/07 08:56:45 ds Exp + */ + +/* From main.c of warp-1.1: + * + * Simple DirectMedia Layer demo + * Realtime picture 'gooing' + * by sam lantinga slouken@devolution.com + */ + +/** + * SECTION:element-warptv + * + * WarpTV does realtime goo'ing of the video input. + * + * <refsect2> + * <title>Example launch line</title> + * |[ + * gst-launch-1.0 -v videotestsrc ! warptv ! videoconvert ! autovideosink + * ]| This pipeline shows the effect of warptv on a test stream. + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> +#include <math.h> + +#include "gstwarp.h" +#include <gst/video/gstvideometa.h> +#include <gst/video/gstvideopool.h> + +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + +#define gst_warptv_parent_class parent_class +G_DEFINE_TYPE (GstWarpTV, gst_warptv, GST_TYPE_VIDEO_FILTER); + +static void initSinTable (); +static void initDistTable (GstWarpTV * filter, gint width, gint height); + +static GstStaticPadTemplate gst_warptv_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }")) + ); + +static GstStaticPadTemplate gst_warptv_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }")) + ); + +static gboolean +gst_warptv_set_info (GstVideoFilter * vfilter, GstCaps * incaps, + GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info) +{ + GstWarpTV *filter = GST_WARPTV (vfilter); + gint width, height; + + width = GST_VIDEO_INFO_WIDTH (in_info); + height = GST_VIDEO_INFO_HEIGHT (in_info); + + g_free (filter->disttable); + filter->disttable = g_malloc (width * height * sizeof (guint32)); + initDistTable (filter, width, height); + + return TRUE; +} + +static gint32 sintable[1024 + 256]; + +static void +initSinTable (void) +{ + gint32 *tptr, *tsinptr; + gint i; + + tsinptr = tptr = sintable; + + for (i = 0; i < 1024; i++) + *tptr++ = (int) (sin (i * M_PI / 512) * 32767); + + for (i = 0; i < 256; i++) + *tptr++ = *tsinptr++; +} + +static void +initDistTable (GstWarpTV * filter, gint width, gint height) +{ + gint32 halfw, halfh, *distptr; + gint x, y; + float m; + + halfw = width >> 1; + halfh = height >> 1; + + distptr = filter->disttable; + + m = sqrt ((double) (halfw * halfw + halfh * halfh)); + + for (y = -halfh; y < halfh; y++) + for (x = -halfw; x < halfw; x++) +#ifdef PS2 + *distptr++ = ((int) ((sqrtf (x * x + y * y) * 511.9999) / m)) << 1; +#else + *distptr++ = ((int) ((sqrt (x * x + y * y) * 511.9999) / m)) << 1; +#endif +} + +static GstFlowReturn +gst_warptv_transform_frame (GstVideoFilter * filter, GstVideoFrame * in_frame, + GstVideoFrame * out_frame) +{ + GstWarpTV *warptv = GST_WARPTV (filter); + gint width, height; + gint xw, yw, cw; + gint32 c, i, x, y, dx, dy, maxx, maxy; + gint32 *ctptr, *distptr; + gint32 *ctable; + guint32 *src, *dest; + gint sstride, dstride; + + src = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0); + dest = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0); + + sstride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0); + dstride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0); + + width = GST_VIDEO_FRAME_WIDTH (in_frame); + height = GST_VIDEO_FRAME_HEIGHT (in_frame); + + GST_OBJECT_LOCK (warptv); + xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30); + yw = (gint) (sin ((warptv->tval) * M_PI / 256) * -35); + cw = (gint) (sin ((warptv->tval - 70) * M_PI / 64) * 50); + xw += (gint) (sin ((warptv->tval - 10) * M_PI / 512) * 40); + yw += (gint) (sin ((warptv->tval + 30) * M_PI / 512) * 40); + + ctptr = warptv->ctable; + distptr = warptv->disttable; + ctable = warptv->ctable; + + c = 0; + + for (x = 0; x < 512; x++) { + i = (c >> 3) & 0x3FE; + *ctptr++ = ((sintable[i] * yw) >> 15); + *ctptr++ = ((sintable[i + 256] * xw) >> 15); + c += cw; + } + maxx = width - 2; + maxy = height - 2; + + for (y = 0; y < height - 1; y++) { + for (x = 0; x < width; x++) { + i = *distptr++; + dx = ctable[i + 1] + x; + dy = ctable[i] + y; + + if (dx < 0) + dx = 0; + else if (dx > maxx) + dx = maxx; + + if (dy < 0) + dy = 0; + else if (dy > maxy) + dy = maxy; + + dest[x] = src[dy * sstride / 4 + dx]; + } + dest += dstride / 4; + } + + warptv->tval = (warptv->tval + 1) & 511; + GST_OBJECT_UNLOCK (warptv); + + return GST_FLOW_OK; +} + +static gboolean +gst_warptv_start (GstBaseTransform * trans) +{ + GstWarpTV *warptv = GST_WARPTV (trans); + + warptv->tval = 0; + + return TRUE; +} + +static void +gst_warptv_finalize (GObject * object) +{ + GstWarpTV *warptv = GST_WARPTV (object); + + g_free (warptv->disttable); + warptv->disttable = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_warptv_class_init (GstWarpTVClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass; + GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass; + + gobject_class->finalize = gst_warptv_finalize; + + gst_element_class_set_static_metadata (gstelement_class, "WarpTV effect", + "Filter/Effect/Video", + "WarpTV does realtime goo'ing of the video input", + "Sam Lantinga <slouken@devolution.com>"); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_warptv_sink_template)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&gst_warptv_src_template)); + + trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start); + + vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_warptv_set_info); + vfilter_class->transform_frame = + GST_DEBUG_FUNCPTR (gst_warptv_transform_frame); + + initSinTable (); +} + +static void +gst_warptv_init (GstWarpTV * warptv) +{ + /* nothing to do */ +} diff --git a/gst/effectv/gstwarp.h b/gst/effectv/gstwarp.h new file mode 100644 index 0000000..73eeebc --- /dev/null +++ b/gst/effectv/gstwarp.h @@ -0,0 +1,67 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * Copyright (C) <2003> David Schleef <ds@schleef.org> + * + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001 FUKUCHI Kentarou + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __GST_WARP_H__ +#define __GST_WARP_H__ + +#include <gst/gst.h> + +#include <gst/video/video.h> +#include <gst/video/gstvideofilter.h> + +G_BEGIN_DECLS + +#define GST_TYPE_WARPTV \ + (gst_warptv_get_type()) +#define GST_WARPTV(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WARPTV,GstWarpTV)) +#define GST_WARPTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WARPTV,GstWarpTVClass)) +#define GST_IS_WARPTV(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WARPTV)) +#define GST_IS_WARPTV_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WARPTV)) + +typedef struct _GstWarpTV GstWarpTV; +typedef struct _GstWarpTVClass GstWarpTVClass; + +struct _GstWarpTV +{ + GstVideoFilter videofilter; + + /* < private > */ + gint32 *disttable; + gint32 ctable[1024]; + gint tval; +}; + +struct _GstWarpTVClass +{ + GstVideoFilterClass parent_class; +}; + +GType gst_warptv_get_type (void); + +G_END_DECLS + +#endif /* __GST_WARP_H__ */ |