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+/*
+ * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
+ * Copyright (C) 2006 Mindfruit Bv.
+ * Author: Sjoerd Simons <sjoerd@luon.net>
+ * Author: Alex Ugarte <alexugarte@gmail.com>
+ * Copyright (C) 2009 Alex Ugarte <augarte@vicomtech.org>
+ * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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 "blend.h"
+#include "videomixerorc.h"
+
+#include <string.h>
+
+#include <gst/video/video.h>
+
+#define BLEND(D,S,alpha) (((D) * (256 - (alpha)) + (S) * (alpha)) >> 8)
+
+GST_DEBUG_CATEGORY_STATIC (gst_videomixer_blend_debug);
+#define GST_CAT_DEFAULT gst_videomixer_blend_debug
+
+/* Below are the implementations of everything */
+
+/* A32 is for AYUV, ARGB and BGRA */
+#define BLEND_A32(name, method, LOOP) \
+static void \
+method##_ ##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
+ gdouble src_alpha, GstVideoFrame * destframe) \
+{ \
+ guint s_alpha; \
+ gint src_stride, dest_stride; \
+ gint dest_width, dest_height; \
+ guint8 *src, *dest; \
+ gint src_width, src_height; \
+ \
+ src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
+ src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
+ src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
+ src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
+ dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
+ dest_width = GST_VIDEO_FRAME_COMP_WIDTH (destframe, 0); \
+ dest_height = GST_VIDEO_FRAME_COMP_HEIGHT (destframe, 0); \
+ \
+ s_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
+ \
+ /* If it's completely transparent... we just return */ \
+ if (G_UNLIKELY (s_alpha == 0)) \
+ return; \
+ \
+ /* adjust src pointers for negative sizes */ \
+ if (xpos < 0) { \
+ src += -xpos * 4; \
+ src_width -= -xpos; \
+ xpos = 0; \
+ } \
+ if (ypos < 0) { \
+ src += -ypos * src_stride; \
+ src_height -= -ypos; \
+ ypos = 0; \
+ } \
+ /* adjust width/height if the src is bigger than dest */ \
+ if (xpos + src_width > dest_width) { \
+ src_width = dest_width - xpos; \
+ } \
+ if (ypos + src_height > dest_height) { \
+ src_height = dest_height - ypos; \
+ } \
+ \
+ dest = dest + 4 * xpos + (ypos * dest_stride); \
+ \
+ LOOP (dest, src, src_height, src_width, src_stride, dest_stride, s_alpha); \
+}
+
+#define BLEND_A32_LOOP(name, method) \
+static inline void \
+_##method##_loop_##name (guint8 * dest, const guint8 * src, gint src_height, \
+ gint src_width, gint src_stride, gint dest_stride, guint s_alpha) \
+{ \
+ s_alpha = MIN (255, s_alpha); \
+ video_mixer_orc_##method##_##name (dest, dest_stride, src, src_stride, \
+ s_alpha, src_width, src_height); \
+}
+
+BLEND_A32_LOOP (argb, blend);
+BLEND_A32_LOOP (bgra, blend);
+BLEND_A32_LOOP (argb, overlay);
+BLEND_A32_LOOP (bgra, overlay);
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+BLEND_A32 (argb, blend, _blend_loop_argb);
+BLEND_A32 (bgra, blend, _blend_loop_bgra);
+BLEND_A32 (argb, overlay, _overlay_loop_argb);
+BLEND_A32 (bgra, overlay, _overlay_loop_bgra);
+#else
+BLEND_A32 (argb, blend, _blend_loop_bgra);
+BLEND_A32 (bgra, blend, _blend_loop_argb);
+BLEND_A32 (argb, overlay, _overlay_loop_bgra);
+BLEND_A32 (bgra, overlay, _overlay_loop_argb);
+#endif
+
+#define A32_CHECKER_C(name, RGB, A, C1, C2, C3) \
+static void \
+fill_checker_##name##_c (GstVideoFrame * frame) \
+{ \
+ gint i, j; \
+ gint val; \
+ static const gint tab[] = { 80, 160, 80, 160 }; \
+ gint width, height; \
+ guint8 *dest; \
+ \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ \
+ if (!RGB) { \
+ for (i = 0; i < height; i++) { \
+ for (j = 0; j < width; j++) { \
+ dest[A] = 0xff; \
+ dest[C1] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ dest[C2] = 128; \
+ dest[C3] = 128; \
+ dest += 4; \
+ } \
+ } \
+ } else { \
+ for (i = 0; i < height; i++) { \
+ for (j = 0; j < width; j++) { \
+ val = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ dest[A] = 0xFF; \
+ dest[C1] = val; \
+ dest[C2] = val; \
+ dest[C3] = val; \
+ dest += 4; \
+ } \
+ } \
+ } \
+}
+
+A32_CHECKER_C (argb, TRUE, 0, 1, 2, 3);
+A32_CHECKER_C (bgra, TRUE, 3, 2, 1, 0);
+A32_CHECKER_C (ayuv, FALSE, 0, 1, 2, 3);
+
+#define YUV_TO_R(Y,U,V) (CLAMP (1.164 * (Y - 16) + 1.596 * (V - 128), 0, 255))
+#define YUV_TO_G(Y,U,V) (CLAMP (1.164 * (Y - 16) - 0.813 * (V - 128) - 0.391 * (U - 128), 0, 255))
+#define YUV_TO_B(Y,U,V) (CLAMP (1.164 * (Y - 16) + 2.018 * (U - 128), 0, 255))
+
+#define A32_COLOR(name, RGB, A, C1, C2, C3) \
+static void \
+fill_color_##name (GstVideoFrame * frame, gint Y, gint U, gint V) \
+{ \
+ gint c1, c2, c3; \
+ guint32 val; \
+ gint width, height; \
+ guint8 *dest; \
+ \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ \
+ if (RGB) { \
+ c1 = YUV_TO_R (Y, U, V); \
+ c2 = YUV_TO_G (Y, U, V); \
+ c3 = YUV_TO_B (Y, U, V); \
+ } else { \
+ c1 = Y; \
+ c2 = U; \
+ c3 = V; \
+ } \
+ val = GUINT32_FROM_BE ((0xff << A) | (c1 << C1) | (c2 << C2) | (c3 << C3)); \
+ \
+ video_mixer_orc_splat_u32 ((guint32 *) dest, val, height * width); \
+}
+
+A32_COLOR (argb, TRUE, 24, 16, 8, 0);
+A32_COLOR (bgra, TRUE, 0, 8, 16, 24);
+A32_COLOR (abgr, TRUE, 24, 0, 8, 16);
+A32_COLOR (rgba, TRUE, 0, 24, 16, 8);
+A32_COLOR (ayuv, FALSE, 24, 16, 8, 0);
+
+/* Y444, Y42B, I420, YV12, Y41B */
+#define PLANAR_YUV_BLEND(format_name,format_enum,x_round,y_round,MEMCPY,BLENDLOOP) \
+inline static void \
+_blend_##format_name (const guint8 * src, guint8 * dest, \
+ gint src_stride, gint dest_stride, gint src_width, gint src_height, \
+ gdouble src_alpha) \
+{ \
+ gint i; \
+ gint b_alpha; \
+ \
+ /* If it's completely transparent... we just return */ \
+ if (G_UNLIKELY (src_alpha == 0.0)) { \
+ GST_INFO ("Fast copy (alpha == 0.0)"); \
+ return; \
+ } \
+ \
+ /* If it's completely opaque, we do a fast copy */ \
+ if (G_UNLIKELY (src_alpha == 1.0)) { \
+ GST_INFO ("Fast copy (alpha == 1.0)"); \
+ for (i = 0; i < src_height; i++) { \
+ MEMCPY (dest, src, src_width); \
+ src += src_stride; \
+ dest += dest_stride; \
+ } \
+ return; \
+ } \
+ \
+ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
+ \
+ BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, src_width, src_height); \
+} \
+\
+static void \
+blend_##format_name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
+ gdouble src_alpha, GstVideoFrame * destframe) \
+{ \
+ const guint8 *b_src; \
+ guint8 *b_dest; \
+ gint b_src_width; \
+ gint b_src_height; \
+ gint xoffset = 0; \
+ gint yoffset = 0; \
+ gint src_comp_rowstride, dest_comp_rowstride; \
+ gint src_comp_height; \
+ gint src_comp_width; \
+ gint comp_ypos, comp_xpos; \
+ gint comp_yoffset, comp_xoffset; \
+ gint dest_width, dest_height; \
+ const GstVideoFormatInfo *info; \
+ gint src_width, src_height; \
+ \
+ src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
+ src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
+ \
+ info = srcframe->info.finfo; \
+ dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
+ dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
+ \
+ xpos = x_round (xpos); \
+ ypos = y_round (ypos); \
+ \
+ b_src_width = src_width; \
+ b_src_height = src_height; \
+ \
+ /* adjust src pointers for negative sizes */ \
+ if (xpos < 0) { \
+ xoffset = -xpos; \
+ b_src_width -= -xpos; \
+ xpos = 0; \
+ } \
+ if (ypos < 0) { \
+ yoffset += -ypos; \
+ b_src_height -= -ypos; \
+ ypos = 0; \
+ } \
+ /* If x or y offset are larger then the source it's outside of the picture */ \
+ if (xoffset > src_width || yoffset > src_height) { \
+ return; \
+ } \
+ \
+ /* adjust width/height if the src is bigger than dest */ \
+ if (xpos + src_width > dest_width) { \
+ b_src_width = dest_width - xpos; \
+ } \
+ if (ypos + src_height > dest_height) { \
+ b_src_height = dest_height - ypos; \
+ } \
+ if (b_src_width < 0 || b_src_height < 0) { \
+ return; \
+ } \
+ \
+ /* First mix Y, then U, then V */ \
+ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 0); \
+ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 0); \
+ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
+ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
+ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 0, b_src_width); \
+ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 0, b_src_height); \
+ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xpos); \
+ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, ypos); \
+ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xoffset); \
+ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, yoffset); \
+ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
+ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
+ src_comp_rowstride, \
+ dest_comp_rowstride, src_comp_width, src_comp_height, \
+ src_alpha); \
+ \
+ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 1); \
+ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 1); \
+ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 1); \
+ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 1); \
+ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 1, b_src_width); \
+ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 1, b_src_height); \
+ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xpos); \
+ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, ypos); \
+ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xoffset); \
+ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, yoffset); \
+ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
+ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
+ src_comp_rowstride, \
+ dest_comp_rowstride, src_comp_width, src_comp_height, \
+ src_alpha); \
+ \
+ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 2); \
+ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 2); \
+ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 2); \
+ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 2); \
+ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 2, b_src_width); \
+ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 2, b_src_height); \
+ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xpos); \
+ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, ypos); \
+ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 2, xoffset); \
+ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 2, yoffset); \
+ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
+ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
+ src_comp_rowstride, \
+ dest_comp_rowstride, src_comp_width, src_comp_height, \
+ src_alpha); \
+}
+
+#define PLANAR_YUV_FILL_CHECKER(format_name, format_enum, MEMSET) \
+static void \
+fill_checker_##format_name (GstVideoFrame * frame) \
+{ \
+ gint i, j; \
+ static const int tab[] = { 80, 160, 80, 160 }; \
+ guint8 *p; \
+ gint comp_width, comp_height; \
+ gint rowstride; \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ for (j = 0; j < comp_width; j++) { \
+ *p++ = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ } \
+ p += rowstride - comp_width; \
+ } \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, 0x80, comp_width); \
+ p += rowstride; \
+ } \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, 0x80, comp_width); \
+ p += rowstride; \
+ } \
+}
+
+#define PLANAR_YUV_FILL_COLOR(format_name,format_enum,MEMSET) \
+static void \
+fill_color_##format_name (GstVideoFrame * frame, \
+ gint colY, gint colU, gint colV) \
+{ \
+ guint8 *p; \
+ gint comp_width, comp_height; \
+ gint rowstride; \
+ gint i; \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, colY, comp_width); \
+ p += rowstride; \
+ } \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, colU, comp_width); \
+ p += rowstride; \
+ } \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 2); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 2); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 2); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, colV, comp_width); \
+ p += rowstride; \
+ } \
+}
+
+#define GST_ROUND_UP_1(x) (x)
+
+PLANAR_YUV_BLEND (i420, GST_VIDEO_FORMAT_I420, GST_ROUND_UP_2,
+ GST_ROUND_UP_2, memcpy, video_mixer_orc_blend_u8);
+PLANAR_YUV_FILL_CHECKER (i420, GST_VIDEO_FORMAT_I420, memset);
+PLANAR_YUV_FILL_COLOR (i420, GST_VIDEO_FORMAT_I420, memset);
+PLANAR_YUV_FILL_COLOR (yv12, GST_VIDEO_FORMAT_YV12, memset);
+PLANAR_YUV_BLEND (y444, GST_VIDEO_FORMAT_Y444, GST_ROUND_UP_1,
+ GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
+PLANAR_YUV_FILL_CHECKER (y444, GST_VIDEO_FORMAT_Y444, memset);
+PLANAR_YUV_FILL_COLOR (y444, GST_VIDEO_FORMAT_Y444, memset);
+PLANAR_YUV_BLEND (y42b, GST_VIDEO_FORMAT_Y42B, GST_ROUND_UP_2,
+ GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
+PLANAR_YUV_FILL_CHECKER (y42b, GST_VIDEO_FORMAT_Y42B, memset);
+PLANAR_YUV_FILL_COLOR (y42b, GST_VIDEO_FORMAT_Y42B, memset);
+PLANAR_YUV_BLEND (y41b, GST_VIDEO_FORMAT_Y41B, GST_ROUND_UP_4,
+ GST_ROUND_UP_1, memcpy, video_mixer_orc_blend_u8);
+PLANAR_YUV_FILL_CHECKER (y41b, GST_VIDEO_FORMAT_Y41B, memset);
+PLANAR_YUV_FILL_COLOR (y41b, GST_VIDEO_FORMAT_Y41B, memset);
+
+/* NV12, NV21 */
+#define NV_YUV_BLEND(format_name,MEMCPY,BLENDLOOP) \
+inline static void \
+_blend_##format_name (const guint8 * src, guint8 * dest, \
+ gint src_stride, gint dest_stride, gint src_width, gint src_height, \
+ gdouble src_alpha) \
+{ \
+ gint i; \
+ gint b_alpha; \
+ \
+ /* If it's completely transparent... we just return */ \
+ if (G_UNLIKELY (src_alpha == 0.0)) { \
+ GST_INFO ("Fast copy (alpha == 0.0)"); \
+ return; \
+ } \
+ \
+ /* If it's completely opaque, we do a fast copy */ \
+ if (G_UNLIKELY (src_alpha == 1.0)) { \
+ GST_INFO ("Fast copy (alpha == 1.0)"); \
+ for (i = 0; i < src_height; i++) { \
+ MEMCPY (dest, src, src_width); \
+ src += src_stride; \
+ dest += dest_stride; \
+ } \
+ return; \
+ } \
+ \
+ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
+ \
+ BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, src_width, src_height); \
+} \
+\
+static void \
+blend_##format_name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
+ gdouble src_alpha, GstVideoFrame * destframe) \
+{ \
+ const guint8 *b_src; \
+ guint8 *b_dest; \
+ gint b_src_width; \
+ gint b_src_height; \
+ gint xoffset = 0; \
+ gint yoffset = 0; \
+ gint src_comp_rowstride, dest_comp_rowstride; \
+ gint src_comp_height; \
+ gint src_comp_width; \
+ gint comp_ypos, comp_xpos; \
+ gint comp_yoffset, comp_xoffset; \
+ gint dest_width, dest_height; \
+ const GstVideoFormatInfo *info; \
+ gint src_width, src_height; \
+ \
+ src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
+ src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
+ \
+ info = srcframe->info.finfo; \
+ dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
+ dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
+ \
+ xpos = GST_ROUND_UP_2 (xpos); \
+ ypos = GST_ROUND_UP_2 (ypos); \
+ \
+ b_src_width = src_width; \
+ b_src_height = src_height; \
+ \
+ /* adjust src pointers for negative sizes */ \
+ if (xpos < 0) { \
+ xoffset = -xpos; \
+ b_src_width -= -xpos; \
+ xpos = 0; \
+ } \
+ if (ypos < 0) { \
+ yoffset += -ypos; \
+ b_src_height -= -ypos; \
+ ypos = 0; \
+ } \
+ /* If x or y offset are larger then the source it's outside of the picture */ \
+ if (xoffset > src_width || yoffset > src_height) { \
+ return; \
+ } \
+ \
+ /* adjust width/height if the src is bigger than dest */ \
+ if (xpos + src_width > dest_width) { \
+ b_src_width = dest_width - xpos; \
+ } \
+ if (ypos + src_height > dest_height) { \
+ b_src_height = dest_height - ypos; \
+ } \
+ if (b_src_width < 0 || b_src_height < 0) { \
+ return; \
+ } \
+ \
+ /* First mix Y, then UV */ \
+ b_src = GST_VIDEO_FRAME_COMP_DATA (srcframe, 0); \
+ b_dest = GST_VIDEO_FRAME_COMP_DATA (destframe, 0); \
+ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
+ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
+ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 0, b_src_width); \
+ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 0, b_src_height); \
+ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xpos); \
+ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, ypos); \
+ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 0, xoffset); \
+ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 0, yoffset); \
+ _blend_##format_name (b_src + comp_xoffset + comp_yoffset * src_comp_rowstride, \
+ b_dest + comp_xpos + comp_ypos * dest_comp_rowstride, \
+ src_comp_rowstride, \
+ dest_comp_rowstride, src_comp_width, src_comp_height, \
+ src_alpha); \
+ \
+ b_src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 1); \
+ b_dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 1); \
+ src_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 1); \
+ dest_comp_rowstride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 1); \
+ src_comp_width = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(info, 1, b_src_width); \
+ src_comp_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(info, 1, b_src_height); \
+ comp_xpos = (xpos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xpos); \
+ comp_ypos = (ypos == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, ypos); \
+ comp_xoffset = (xoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (info, 1, xoffset); \
+ comp_yoffset = (yoffset == 0) ? 0 : GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info, 1, yoffset); \
+ _blend_##format_name (b_src + comp_xoffset * 2 + comp_yoffset * src_comp_rowstride, \
+ b_dest + comp_xpos * 2 + comp_ypos * dest_comp_rowstride, \
+ src_comp_rowstride, \
+ dest_comp_rowstride, 2 * src_comp_width, src_comp_height, \
+ src_alpha); \
+}
+
+#define NV_YUV_FILL_CHECKER(format_name, MEMSET) \
+static void \
+fill_checker_##format_name (GstVideoFrame * frame) \
+{ \
+ gint i, j; \
+ static const int tab[] = { 80, 160, 80, 160 }; \
+ guint8 *p; \
+ gint comp_width, comp_height; \
+ gint rowstride; \
+ \
+ p = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ for (j = 0; j < comp_width; j++) { \
+ *p++ = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ } \
+ p += rowstride - comp_width; \
+ } \
+ \
+ p = GST_VIDEO_FRAME_PLANE_DATA (frame, 1); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (p, 0x80, comp_width * 2); \
+ p += rowstride; \
+ } \
+}
+
+#define NV_YUV_FILL_COLOR(format_name,MEMSET) \
+static void \
+fill_color_##format_name (GstVideoFrame * frame, \
+ gint colY, gint colU, gint colV) \
+{ \
+ guint8 *y, *u, *v; \
+ gint comp_width, comp_height; \
+ gint rowstride; \
+ gint i, j; \
+ \
+ y = GST_VIDEO_FRAME_COMP_DATA (frame, 0); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 0); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 0); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ MEMSET (y, colY, comp_width); \
+ y += rowstride; \
+ } \
+ \
+ u = GST_VIDEO_FRAME_COMP_DATA (frame, 1); \
+ v = GST_VIDEO_FRAME_COMP_DATA (frame, 2); \
+ comp_width = GST_VIDEO_FRAME_COMP_WIDTH (frame, 1); \
+ comp_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, 1); \
+ rowstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 1); \
+ \
+ for (i = 0; i < comp_height; i++) { \
+ for (j = 0; j < comp_width; j++) { \
+ u[j*2] = colU; \
+ v[j*2] = colV; \
+ } \
+ u += rowstride; \
+ v += rowstride; \
+ } \
+}
+
+NV_YUV_BLEND (nv12, memcpy, video_mixer_orc_blend_u8);
+NV_YUV_FILL_CHECKER (nv12, memset);
+NV_YUV_FILL_COLOR (nv12, memset);
+NV_YUV_BLEND (nv21, memcpy, video_mixer_orc_blend_u8);
+NV_YUV_FILL_CHECKER (nv21, memset);
+
+/* RGB, BGR, xRGB, xBGR, RGBx, BGRx */
+
+#define RGB_BLEND(name, bpp, MEMCPY, BLENDLOOP) \
+static void \
+blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
+ gdouble src_alpha, GstVideoFrame * destframe) \
+{ \
+ gint b_alpha; \
+ gint i; \
+ gint src_stride, dest_stride; \
+ gint dest_width, dest_height; \
+ guint8 *dest, *src; \
+ gint src_width, src_height; \
+ \
+ src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
+ src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
+ \
+ src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
+ \
+ dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
+ dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
+ \
+ src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
+ dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
+ \
+ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
+ \
+ /* adjust src pointers for negative sizes */ \
+ if (xpos < 0) { \
+ src += -xpos * bpp; \
+ src_width -= -xpos; \
+ xpos = 0; \
+ } \
+ if (ypos < 0) { \
+ src += -ypos * src_stride; \
+ src_height -= -ypos; \
+ ypos = 0; \
+ } \
+ /* adjust width/height if the src is bigger than dest */ \
+ if (xpos + src_width > dest_width) { \
+ src_width = dest_width - xpos; \
+ } \
+ if (ypos + src_height > dest_height) { \
+ src_height = dest_height - ypos; \
+ } \
+ \
+ dest = dest + bpp * xpos + (ypos * dest_stride); \
+ /* If it's completely transparent... we just return */ \
+ if (G_UNLIKELY (src_alpha == 0.0)) { \
+ GST_INFO ("Fast copy (alpha == 0.0)"); \
+ return; \
+ } \
+ \
+ /* If it's completely opaque, we do a fast copy */ \
+ if (G_UNLIKELY (src_alpha == 1.0)) { \
+ GST_INFO ("Fast copy (alpha == 1.0)"); \
+ for (i = 0; i < src_height; i++) { \
+ MEMCPY (dest, src, bpp * src_width); \
+ src += src_stride; \
+ dest += dest_stride; \
+ } \
+ return; \
+ } \
+ \
+ BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, src_width * bpp, src_height); \
+}
+
+#define RGB_FILL_CHECKER_C(name, bpp, r, g, b) \
+static void \
+fill_checker_##name##_c (GstVideoFrame * frame) \
+{ \
+ gint i, j; \
+ static const int tab[] = { 80, 160, 80, 160 }; \
+ gint stride, dest_add, width, height; \
+ guint8 *dest; \
+ \
+ width = GST_VIDEO_FRAME_WIDTH (frame); \
+ height = GST_VIDEO_FRAME_HEIGHT (frame); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ dest_add = stride - width * bpp; \
+ \
+ for (i = 0; i < height; i++) { \
+ for (j = 0; j < width; j++) { \
+ dest[r] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* red */ \
+ dest[g] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* green */ \
+ dest[b] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; /* blue */ \
+ dest += bpp; \
+ } \
+ dest += dest_add; \
+ } \
+}
+
+#define RGB_FILL_COLOR(name, bpp, MEMSET_RGB) \
+static void \
+fill_color_##name (GstVideoFrame * frame, \
+ gint colY, gint colU, gint colV) \
+{ \
+ gint red, green, blue; \
+ gint i; \
+ gint dest_stride; \
+ gint width, height; \
+ guint8 *dest; \
+ \
+ width = GST_VIDEO_FRAME_WIDTH (frame); \
+ height = GST_VIDEO_FRAME_HEIGHT (frame); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ \
+ red = YUV_TO_R (colY, colU, colV); \
+ green = YUV_TO_G (colY, colU, colV); \
+ blue = YUV_TO_B (colY, colU, colV); \
+ \
+ for (i = 0; i < height; i++) { \
+ MEMSET_RGB (dest, red, green, blue, width); \
+ dest += dest_stride; \
+ } \
+}
+
+#define MEMSET_RGB_C(name, r, g, b) \
+static inline void \
+_memset_##name##_c (guint8* dest, gint red, gint green, gint blue, gint width) { \
+ gint j; \
+ \
+ for (j = 0; j < width; j++) { \
+ dest[r] = red; \
+ dest[g] = green; \
+ dest[b] = blue; \
+ dest += 3; \
+ } \
+}
+
+#define MEMSET_XRGB(name, r, g, b) \
+static inline void \
+_memset_##name (guint8* dest, gint red, gint green, gint blue, gint width) { \
+ guint32 val; \
+ \
+ val = GUINT32_FROM_BE ((red << r) | (green << g) | (blue << b)); \
+ video_mixer_orc_splat_u32 ((guint32 *) dest, val, width); \
+}
+
+#define _orc_memcpy_u32(dest,src,len) video_mixer_orc_memcpy_u32((guint32 *) dest, (const guint32 *) src, len/4)
+
+RGB_BLEND (rgb, 3, memcpy, video_mixer_orc_blend_u8);
+RGB_FILL_CHECKER_C (rgb, 3, 0, 1, 2);
+MEMSET_RGB_C (rgb, 0, 1, 2);
+RGB_FILL_COLOR (rgb_c, 3, _memset_rgb_c);
+
+MEMSET_RGB_C (bgr, 2, 1, 0);
+RGB_FILL_COLOR (bgr_c, 3, _memset_bgr_c);
+
+RGB_BLEND (xrgb, 4, _orc_memcpy_u32, video_mixer_orc_blend_u8);
+RGB_FILL_CHECKER_C (xrgb, 4, 1, 2, 3);
+MEMSET_XRGB (xrgb, 24, 16, 0);
+RGB_FILL_COLOR (xrgb, 4, _memset_xrgb);
+
+MEMSET_XRGB (xbgr, 0, 16, 24);
+RGB_FILL_COLOR (xbgr, 4, _memset_xbgr);
+
+MEMSET_XRGB (rgbx, 24, 16, 8);
+RGB_FILL_COLOR (rgbx, 4, _memset_rgbx);
+
+MEMSET_XRGB (bgrx, 8, 16, 24);
+RGB_FILL_COLOR (bgrx, 4, _memset_bgrx);
+
+/* YUY2, YVYU, UYVY */
+
+#define PACKED_422_BLEND(name, MEMCPY, BLENDLOOP) \
+static void \
+blend_##name (GstVideoFrame * srcframe, gint xpos, gint ypos, \
+ gdouble src_alpha, GstVideoFrame * destframe) \
+{ \
+ gint b_alpha; \
+ gint i; \
+ gint src_stride, dest_stride; \
+ gint dest_width, dest_height; \
+ guint8 *src, *dest; \
+ gint src_width, src_height; \
+ \
+ src_width = GST_VIDEO_FRAME_WIDTH (srcframe); \
+ src_height = GST_VIDEO_FRAME_HEIGHT (srcframe); \
+ \
+ dest_width = GST_VIDEO_FRAME_WIDTH (destframe); \
+ dest_height = GST_VIDEO_FRAME_HEIGHT (destframe); \
+ \
+ src = GST_VIDEO_FRAME_PLANE_DATA (srcframe, 0); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (destframe, 0); \
+ \
+ src_stride = GST_VIDEO_FRAME_COMP_STRIDE (srcframe, 0); \
+ dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (destframe, 0); \
+ \
+ b_alpha = CLAMP ((gint) (src_alpha * 256), 0, 256); \
+ \
+ xpos = GST_ROUND_UP_2 (xpos); \
+ \
+ /* adjust src pointers for negative sizes */ \
+ if (xpos < 0) { \
+ src += -xpos * 2; \
+ src_width -= -xpos; \
+ xpos = 0; \
+ } \
+ if (ypos < 0) { \
+ src += -ypos * src_stride; \
+ src_height -= -ypos; \
+ ypos = 0; \
+ } \
+ \
+ /* adjust width/height if the src is bigger than dest */ \
+ if (xpos + src_width > dest_width) { \
+ src_width = dest_width - xpos; \
+ } \
+ if (ypos + src_height > dest_height) { \
+ src_height = dest_height - ypos; \
+ } \
+ \
+ dest = dest + 2 * xpos + (ypos * dest_stride); \
+ /* If it's completely transparent... we just return */ \
+ if (G_UNLIKELY (src_alpha == 0.0)) { \
+ GST_INFO ("Fast copy (alpha == 0.0)"); \
+ return; \
+ } \
+ \
+ /* If it's completely opaque, we do a fast copy */ \
+ if (G_UNLIKELY (src_alpha == 1.0)) { \
+ GST_INFO ("Fast copy (alpha == 1.0)"); \
+ for (i = 0; i < src_height; i++) { \
+ MEMCPY (dest, src, 2 * src_width); \
+ src += src_stride; \
+ dest += dest_stride; \
+ } \
+ return; \
+ } \
+ \
+ BLENDLOOP(dest, dest_stride, src, src_stride, b_alpha, 2 * src_width, src_height); \
+}
+
+#define PACKED_422_FILL_CHECKER_C(name, Y1, U, Y2, V) \
+static void \
+fill_checker_##name##_c (GstVideoFrame * frame) \
+{ \
+ gint i, j; \
+ static const int tab[] = { 80, 160, 80, 160 }; \
+ gint dest_add; \
+ gint width, height; \
+ guint8 *dest; \
+ \
+ width = GST_VIDEO_FRAME_WIDTH (frame); \
+ width = GST_ROUND_UP_2 (width); \
+ height = GST_VIDEO_FRAME_HEIGHT (frame); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ dest_add = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0) - width * 2; \
+ width /= 2; \
+ \
+ for (i = 0; i < height; i++) { \
+ for (j = 0; j < width; j++) { \
+ dest[Y1] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ dest[Y2] = tab[((i & 0x8) >> 3) + ((j & 0x8) >> 3)]; \
+ dest[U] = 128; \
+ dest[V] = 128; \
+ dest += 4; \
+ } \
+ dest += dest_add; \
+ } \
+}
+
+#define PACKED_422_FILL_COLOR(name, Y1, U, Y2, V) \
+static void \
+fill_color_##name (GstVideoFrame * frame, \
+ gint colY, gint colU, gint colV) \
+{ \
+ gint i; \
+ gint dest_stride; \
+ guint32 val; \
+ gint width, height; \
+ guint8 *dest; \
+ \
+ width = GST_VIDEO_FRAME_WIDTH (frame); \
+ width = GST_ROUND_UP_2 (width); \
+ height = GST_VIDEO_FRAME_HEIGHT (frame); \
+ dest = GST_VIDEO_FRAME_PLANE_DATA (frame, 0); \
+ dest_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0); \
+ width /= 2; \
+ \
+ val = GUINT32_FROM_BE ((colY << Y1) | (colY << Y2) | (colU << U) | (colV << V)); \
+ \
+ for (i = 0; i < height; i++) { \
+ video_mixer_orc_splat_u32 ((guint32 *) dest, val, width); \
+ dest += dest_stride; \
+ } \
+}
+
+PACKED_422_BLEND (yuy2, memcpy, video_mixer_orc_blend_u8);
+PACKED_422_FILL_CHECKER_C (yuy2, 0, 1, 2, 3);
+PACKED_422_FILL_CHECKER_C (uyvy, 1, 0, 3, 2);
+PACKED_422_FILL_COLOR (yuy2, 24, 16, 8, 0);
+PACKED_422_FILL_COLOR (yvyu, 24, 0, 8, 16);
+PACKED_422_FILL_COLOR (uyvy, 16, 24, 0, 8);
+
+/* Init function */
+BlendFunction gst_video_mixer_blend_argb;
+BlendFunction gst_video_mixer_blend_bgra;
+BlendFunction gst_video_mixer_overlay_argb;
+BlendFunction gst_video_mixer_overlay_bgra;
+/* AYUV/ABGR is equal to ARGB, RGBA is equal to BGRA */
+BlendFunction gst_video_mixer_blend_y444;
+BlendFunction gst_video_mixer_blend_y42b;
+BlendFunction gst_video_mixer_blend_i420;
+/* I420 is equal to YV12 */
+BlendFunction gst_video_mixer_blend_nv12;
+BlendFunction gst_video_mixer_blend_nv21;
+BlendFunction gst_video_mixer_blend_y41b;
+BlendFunction gst_video_mixer_blend_rgb;
+/* BGR is equal to RGB */
+BlendFunction gst_video_mixer_blend_rgbx;
+/* BGRx, xRGB, xBGR are equal to RGBx */
+BlendFunction gst_video_mixer_blend_yuy2;
+/* YVYU and UYVY are equal to YUY2 */
+
+FillCheckerFunction gst_video_mixer_fill_checker_argb;
+FillCheckerFunction gst_video_mixer_fill_checker_bgra;
+/* ABGR is equal to ARGB, RGBA is equal to BGRA */
+FillCheckerFunction gst_video_mixer_fill_checker_ayuv;
+FillCheckerFunction gst_video_mixer_fill_checker_y444;
+FillCheckerFunction gst_video_mixer_fill_checker_y42b;
+FillCheckerFunction gst_video_mixer_fill_checker_i420;
+/* I420 is equal to YV12 */
+FillCheckerFunction gst_video_mixer_fill_checker_nv12;
+FillCheckerFunction gst_video_mixer_fill_checker_nv21;
+FillCheckerFunction gst_video_mixer_fill_checker_y41b;
+FillCheckerFunction gst_video_mixer_fill_checker_rgb;
+/* BGR is equal to RGB */
+FillCheckerFunction gst_video_mixer_fill_checker_xrgb;
+/* BGRx, xRGB, xBGR are equal to RGBx */
+FillCheckerFunction gst_video_mixer_fill_checker_yuy2;
+/* YVYU is equal to YUY2 */
+FillCheckerFunction gst_video_mixer_fill_checker_uyvy;
+
+FillColorFunction gst_video_mixer_fill_color_argb;
+FillColorFunction gst_video_mixer_fill_color_bgra;
+FillColorFunction gst_video_mixer_fill_color_abgr;
+FillColorFunction gst_video_mixer_fill_color_rgba;
+FillColorFunction gst_video_mixer_fill_color_ayuv;
+FillColorFunction gst_video_mixer_fill_color_y444;
+FillColorFunction gst_video_mixer_fill_color_y42b;
+FillColorFunction gst_video_mixer_fill_color_i420;
+FillColorFunction gst_video_mixer_fill_color_yv12;
+FillColorFunction gst_video_mixer_fill_color_nv12;
+/* NV21 is equal to NV12 */
+FillColorFunction gst_video_mixer_fill_color_y41b;
+FillColorFunction gst_video_mixer_fill_color_rgb;
+FillColorFunction gst_video_mixer_fill_color_bgr;
+FillColorFunction gst_video_mixer_fill_color_xrgb;
+FillColorFunction gst_video_mixer_fill_color_xbgr;
+FillColorFunction gst_video_mixer_fill_color_rgbx;
+FillColorFunction gst_video_mixer_fill_color_bgrx;
+FillColorFunction gst_video_mixer_fill_color_yuy2;
+FillColorFunction gst_video_mixer_fill_color_yvyu;
+FillColorFunction gst_video_mixer_fill_color_uyvy;
+
+void
+gst_video_mixer_init_blend (void)
+{
+ GST_DEBUG_CATEGORY_INIT (gst_videomixer_blend_debug, "videomixer_blend", 0,
+ "video mixer blending functions");
+
+ gst_video_mixer_blend_argb = blend_argb;
+ gst_video_mixer_blend_bgra = blend_bgra;
+ gst_video_mixer_overlay_argb = overlay_argb;
+ gst_video_mixer_overlay_bgra = overlay_bgra;
+ gst_video_mixer_blend_i420 = blend_i420;
+ gst_video_mixer_blend_nv12 = blend_nv12;
+ gst_video_mixer_blend_nv21 = blend_nv21;
+ gst_video_mixer_blend_y444 = blend_y444;
+ gst_video_mixer_blend_y42b = blend_y42b;
+ gst_video_mixer_blend_y41b = blend_y41b;
+ gst_video_mixer_blend_rgb = blend_rgb;
+ gst_video_mixer_blend_xrgb = blend_xrgb;
+ gst_video_mixer_blend_yuy2 = blend_yuy2;
+
+ gst_video_mixer_fill_checker_argb = fill_checker_argb_c;
+ gst_video_mixer_fill_checker_bgra = fill_checker_bgra_c;
+ gst_video_mixer_fill_checker_ayuv = fill_checker_ayuv_c;
+ gst_video_mixer_fill_checker_i420 = fill_checker_i420;
+ gst_video_mixer_fill_checker_nv12 = fill_checker_nv12;
+ gst_video_mixer_fill_checker_nv21 = fill_checker_nv21;
+ gst_video_mixer_fill_checker_y444 = fill_checker_y444;
+ gst_video_mixer_fill_checker_y42b = fill_checker_y42b;
+ gst_video_mixer_fill_checker_y41b = fill_checker_y41b;
+ gst_video_mixer_fill_checker_rgb = fill_checker_rgb_c;
+ gst_video_mixer_fill_checker_xrgb = fill_checker_xrgb_c;
+ gst_video_mixer_fill_checker_yuy2 = fill_checker_yuy2_c;
+ gst_video_mixer_fill_checker_uyvy = fill_checker_uyvy_c;
+
+ gst_video_mixer_fill_color_argb = fill_color_argb;
+ gst_video_mixer_fill_color_bgra = fill_color_bgra;
+ gst_video_mixer_fill_color_abgr = fill_color_abgr;
+ gst_video_mixer_fill_color_rgba = fill_color_rgba;
+ gst_video_mixer_fill_color_ayuv = fill_color_ayuv;
+ gst_video_mixer_fill_color_i420 = fill_color_i420;
+ gst_video_mixer_fill_color_yv12 = fill_color_yv12;
+ gst_video_mixer_fill_color_nv12 = fill_color_nv12;
+ gst_video_mixer_fill_color_y444 = fill_color_y444;
+ gst_video_mixer_fill_color_y42b = fill_color_y42b;
+ gst_video_mixer_fill_color_y41b = fill_color_y41b;
+ gst_video_mixer_fill_color_rgb = fill_color_rgb_c;
+ gst_video_mixer_fill_color_bgr = fill_color_bgr_c;
+ gst_video_mixer_fill_color_xrgb = fill_color_xrgb;
+ gst_video_mixer_fill_color_xbgr = fill_color_xbgr;
+ gst_video_mixer_fill_color_rgbx = fill_color_rgbx;
+ gst_video_mixer_fill_color_bgrx = fill_color_bgrx;
+ gst_video_mixer_fill_color_yuy2 = fill_color_yuy2;
+ gst_video_mixer_fill_color_yvyu = fill_color_yvyu;
+ gst_video_mixer_fill_color_uyvy = fill_color_uyvy;
+}