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h264parse: decode SEI: buffering period

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Lin YANG 2009-08-17 17:52:12 +08:00 committed by Sebastian Dröge
parent ba5a75d551
commit d061c0a0d1
1 changed files with 45 additions and 0 deletions
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45
gst/h264parse/gsth264parse.c
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@ -571,6 +571,51 @@ gst_nal_decode_pps (GstH264Parse * h, GstNalBs * bs)
return TRUE;
}
/* decode buffering periods */
static gboolean
gst_sei_decode_buffering_period (GstH264Parse * h, GstNalBs * bs)
{
guint8 sps_id;
gint sched_sel_idx;
GstH264Sps *sps;
sps_id = gst_nal_bs_read_ue (bs);
sps = gst_h264_parse_get_sps (h, sps_id);
if (!sps)
return FALSE;
if (sps->nal_hrd_parameters_present_flag) {
for (sched_sel_idx = 0; sched_sel_idx <= sps->cpb_cnt_minus1;
sched_sel_idx++) {
h->initial_cpb_removal_delay[sched_sel_idx]
= gst_nal_bs_read (bs,
sps->initial_cpb_removal_delay_length_minus1 + 1);
gst_nal_bs_read (bs, sps->initial_cpb_removal_delay_length_minus1 + 1); /* initial_cpb_removal_delay_offset */
}
}
if (sps->vcl_hrd_parameters_present_flag) {
for (sched_sel_idx = 0; sched_sel_idx <= sps->cpb_cnt_minus1;
sched_sel_idx++) {
h->initial_cpb_removal_delay[sched_sel_idx]
= gst_nal_bs_read (bs,
sps->initial_cpb_removal_delay_length_minus1 + 1);
gst_nal_bs_read (bs, sps->initial_cpb_removal_delay_length_minus1 + 1); /* initial_cpb_removal_delay_offset */
}
}
#if 0
h->ts_trn_nb = MPEGTIME_TO_GSTTIME (h->initial_cpb_removal_delay[0]); /* Assuming SchedSelIdx=0 */
#endif
if (h->ts_trn_nb == GST_CLOCK_TIME_NONE || h->dts == GST_CLOCK_TIME_NONE)
h->ts_trn_nb = 0;
else
h->ts_trn_nb = h->dts;
GST_DEBUG_OBJECT (h, "h->ts_trn_nb updated: %" GST_TIME_FORMAT,
GST_TIME_ARGS (h->ts_trn_nb));
return 0;
}
GST_BOILERPLATE (GstH264Parse, gst_h264_parse, GstElement, GST_TYPE_ELEMENT);