diff options
Diffstat (limited to 'wearable/gst/rtp/gstrtpmpadepay.c')
| -rw-r--r-- | wearable/gst/rtp/gstrtpmpadepay.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/wearable/gst/rtp/gstrtpmpadepay.c b/wearable/gst/rtp/gstrtpmpadepay.c deleted file mode 100644 index 2b442c8..0000000 --- a/wearable/gst/rtp/gstrtpmpadepay.c +++ /dev/null @@ -1,180 +0,0 @@ -/* GStreamer - * Copyright (C) <2005> Wim Taymans <wim.taymans@gmail.com> - * - * 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., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <gst/rtp/gstrtpbuffer.h> - -#include <string.h> -#include "gstrtpmpadepay.h" - -GST_DEBUG_CATEGORY_STATIC (rtpmpadepay_debug); -#define GST_CAT_DEFAULT (rtpmpadepay_debug) - -static GstStaticPadTemplate gst_rtp_mpa_depay_src_template = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/mpeg, " "mpegversion = (int) 1") - ); - -static GstStaticPadTemplate gst_rtp_mpa_depay_sink_template = - GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("application/x-rtp, " - "media = (string) \"audio\", " - "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " - "clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\";" - "application/x-rtp, " - "media = (string) \"audio\", " - "payload = (int) " GST_RTP_PAYLOAD_MPA_STRING ", " - "clock-rate = (int) 90000") - ); - -GST_BOILERPLATE (GstRtpMPADepay, gst_rtp_mpa_depay, GstBaseRTPDepayload, - GST_TYPE_BASE_RTP_DEPAYLOAD); - -static gboolean gst_rtp_mpa_depay_setcaps (GstBaseRTPDepayload * depayload, - GstCaps * caps); -static GstBuffer *gst_rtp_mpa_depay_process (GstBaseRTPDepayload * depayload, - GstBuffer * buf); - -static void -gst_rtp_mpa_depay_base_init (gpointer klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_static_pad_template (element_class, - &gst_rtp_mpa_depay_src_template); - gst_element_class_add_static_pad_template (element_class, - &gst_rtp_mpa_depay_sink_template); - - gst_element_class_set_details_simple (element_class, - "RTP MPEG audio depayloader", "Codec/Depayloader/Network/RTP", - "Extracts MPEG audio from RTP packets (RFC 2038)", - "Wim Taymans <wim.taymans@gmail.com>"); -} - -static void -gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass) -{ - GstBaseRTPDepayloadClass *gstbasertpdepayload_class; - - gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass; - - gstbasertpdepayload_class->set_caps = gst_rtp_mpa_depay_setcaps; - gstbasertpdepayload_class->process = gst_rtp_mpa_depay_process; - - GST_DEBUG_CATEGORY_INIT (rtpmpadepay_debug, "rtpmpadepay", 0, - "MPEG Audio RTP Depayloader"); -} - -static void -gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay, - GstRtpMPADepayClass * klass) -{ - /* needed because of GST_BOILERPLATE */ -} - -static gboolean -gst_rtp_mpa_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps) -{ - GstStructure *structure; - GstCaps *outcaps; - gint clock_rate; - gboolean res; - - structure = gst_caps_get_structure (caps, 0); - - if (!gst_structure_get_int (structure, "clock-rate", &clock_rate)) - clock_rate = 90000; - depayload->clock_rate = clock_rate; - - outcaps = - gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1, NULL); - res = gst_pad_set_caps (depayload->srcpad, outcaps); - gst_caps_unref (outcaps); - - return res; -} - -static GstBuffer * -gst_rtp_mpa_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) -{ - GstRtpMPADepay *rtpmpadepay; - GstBuffer *outbuf; - - rtpmpadepay = GST_RTP_MPA_DEPAY (depayload); - - { - gint payload_len; - gboolean marker; - - payload_len = gst_rtp_buffer_get_payload_len (buf); - - if (payload_len <= 4) - goto empty_packet; - - /* strip off header - * - * 0 1 2 3 - * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - * | MBZ | Frag_offset | - * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - */ - /* frag_offset = (payload[2] << 8) | payload[3]; */ - - /* subbuffer skipping the 4 header bytes */ - outbuf = gst_rtp_buffer_get_payload_subbuffer (buf, 4, -1); - marker = gst_rtp_buffer_get_marker (buf); - - if (marker) { - /* mark start of talkspurt with discont */ - GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT); - } - GST_DEBUG_OBJECT (rtpmpadepay, - "gst_rtp_mpa_depay_chain: pushing buffer of size %d", - GST_BUFFER_SIZE (outbuf)); - - /* FIXME, we can push half mpeg frames when they are split over multiple - * RTP packets */ - return outbuf; - } - - return NULL; - - /* ERRORS */ -empty_packet: - { - GST_ELEMENT_WARNING (rtpmpadepay, STREAM, DECODE, - ("Empty Payload."), (NULL)); - return NULL; - } -} - -gboolean -gst_rtp_mpa_depay_plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "rtpmpadepay", - GST_RANK_SECONDARY, GST_TYPE_RTP_MPA_DEPAY); -} |