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;
}
}
static GstBuffer *
gst_rtp_mpa_depay_process (GstRTPBaseDepayload * depayload, GstBuffer * buf)
{
GstRtpMPADepay *rtpmpadepay;
GstBuffer *outbuf;
GstRTPBuffer rtp = { NULL };
gint payload_len;
#if 0
guint8 *payload;
guint16 frag_offset;
#endif
gboolean marker;
rtpmpadepay = GST_RTP_MPA_DEPAY (depayload);
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtp);
payload_len = gst_rtp_buffer_get_payload_len (&rtp);
if (payload_len <= 4)
goto empty_packet;
#if 0
payload = gst_rtp_buffer_get_payload (&rtp);
/* 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];
#endif
/* subbuffer skipping the 4 header bytes */
outbuf = gst_rtp_buffer_get_payload_subbuffer (&rtp, 4, -1);
marker = gst_rtp_buffer_get_marker (&rtp);
if (marker) {
/* mark start of talkspurt with RESYNC */
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_RESYNC);
}
GST_DEBUG_OBJECT (rtpmpadepay,
"gst_rtp_mpa_depay_chain: pushing buffer of size %" G_GSIZE_FORMAT "",
gst_buffer_get_size (outbuf));
gst_rtp_buffer_unmap (&rtp);
/* FIXME, we can push half mpeg frames when they are split over multiple
* RTP packets */
return outbuf;
/* ERRORS */
empty_packet:
{
GST_ELEMENT_WARNING (rtpmpadepay, STREAM, DECODE,
("Empty Payload."), (NULL));
gst_rtp_buffer_unmap (&rtp);
return NULL;
}
}
