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rtph264depay: tweak DELTA_UNIT labeling

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Consider SPS, PPS and IDR as keyframe, all others as DELTA_UNIT.

See #620154.
This commit is contained in:
Mark Nauwelaerts 2010-06-16 15:52:57 +02:00
parent 8883421b0d
commit 6a9c70486f
1 changed files with 4 additions and 5 deletions
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9
gst/rtp/gstrtph264depay.c
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@ -412,14 +412,13 @@ gst_rtp_h264_depay_mark_delta (GstRtpH264Depay * rtph264depay, GstBuffer * nal)
nal_unit_type = (GST_BUFFER_DATA (nal))[4] & 0x1f;
GST_DEBUG_OBJECT (rtph264depay, "type %d", nal_unit_type);
/* non-IDR VCL layer NAL considered DELTA, also AU and SEI;
/* SPS/PPS/IDR considered key, all others DELTA;
* so downstream waiting for keyframe can pick up at SPS/PPS/IDR */
if ((nal_unit_type >= 1 && nal_unit_type <= 4) ||
(nal_unit_type == 6) || (nal_unit_type == 9)) {
if ((nal_unit_type == 5) || (nal_unit_type == 7) || (nal_unit_type == 8)) {
GST_BUFFER_FLAG_UNSET (nal, GST_BUFFER_FLAG_DELTA_UNIT);
} else {
GST_BUFFER_FLAG_SET (nal, GST_BUFFER_FLAG_DELTA_UNIT);
res = TRUE;
} else {
GST_BUFFER_FLAG_UNSET (nal, GST_BUFFER_FLAG_DELTA_UNIT);
}
return res;