Revision 3a1cdcc7 libavformat/rtpdec.c
| libavformat/rtpdec.c | ||
|---|---|---|
| 123 | 123 |
payload_len = (AV_RB16(buf + 2) + 1) * 4; |
| 124 | 124 |
|
| 125 | 125 |
s->last_rtcp_ntp_time = AV_RB64(buf + 8); |
| 126 |
if (s->first_rtcp_ntp_time == AV_NOPTS_VALUE) |
|
| 127 |
s->first_rtcp_ntp_time = s->last_rtcp_ntp_time; |
|
| 128 | 126 |
s->last_rtcp_timestamp = AV_RB32(buf + 16); |
| 127 |
if (s->first_rtcp_ntp_time == AV_NOPTS_VALUE) {
|
|
| 128 |
s->first_rtcp_ntp_time = s->last_rtcp_ntp_time; |
|
| 129 |
if (!s->base_timestamp) |
|
| 130 |
s->base_timestamp = s->last_rtcp_timestamp; |
|
| 131 |
s->rtcp_ts_offset = s->last_rtcp_timestamp - s->base_timestamp; |
|
| 132 |
} |
|
| 129 | 133 |
|
| 130 | 134 |
buf += payload_len; |
| 131 | 135 |
len -= payload_len; |
| ... | ... | |
| 440 | 444 |
delta_timestamp = timestamp - s->last_rtcp_timestamp; |
| 441 | 445 |
/* convert to the PTS timebase */ |
| 442 | 446 |
addend = av_rescale(s->last_rtcp_ntp_time - s->first_rtcp_ntp_time, s->st->time_base.den, (uint64_t)s->st->time_base.num << 32); |
| 443 |
pkt->pts = s->range_start_offset + addend + delta_timestamp; |
|
| 447 |
pkt->pts = s->range_start_offset + s->rtcp_ts_offset + addend + |
|
| 448 |
delta_timestamp; |
|
| 449 |
return; |
|
| 444 | 450 |
} |
| 451 |
if (timestamp == RTP_NOTS_VALUE) |
|
| 452 |
return; |
|
| 453 |
if (!s->base_timestamp) |
|
| 454 |
s->base_timestamp = timestamp; |
|
| 455 |
pkt->pts = s->range_start_offset + timestamp - s->base_timestamp; |
|
| 445 | 456 |
} |
| 446 | 457 |
|
| 447 | 458 |
static int rtp_parse_packet_internal(RTPDemuxContext *s, AVPacket *pkt, |
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