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实现媒体源pause/speed接口:#1129

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This commit is contained in:
xiongziliang
2021-09-29 00:04:36 +08:00
parent 507eadf20b
commit b1666eb651
15 changed files with 108 additions and 55 deletions
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28
src/Rtsp/RtspMuxer.cpp
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@@ -14,18 +14,23 @@
namespace mediakit {
void RtspMuxer::onRtp(RtpPacket::Ptr in, bool is_key) {
if (_rtp_stamp[in->type] != in->getHeader()->stamp) {
//rtp时间戳变化才计算ntp，节省cpu资源
int64_t stamp_ms = in->getStamp() * uint64_t(1000) / in->sample_rate;
int64_t stamp_ms_inc;
//求rtp时间戳增量
_stamp[in->type].revise(stamp_ms, stamp_ms, stamp_ms_inc, stamp_ms_inc);
_rtp_stamp[in->type] = in->getHeader()->stamp;
_ntp_stamp[in->type] = stamp_ms_inc + _ntp_stamp_start;
}
if (_live) {
if (_rtp_stamp[in->type] != in->getHeader()->stamp) {
//rtp时间戳变化才计算ntp，节省cpu资源
int64_t stamp_ms = in->getStamp() * uint64_t(1000) / in->sample_rate;
int64_t stamp_ms_inc;
//求rtp时间戳增量
_stamp[in->type].revise(stamp_ms, stamp_ms, stamp_ms_inc, stamp_ms_inc);
_rtp_stamp[in->type] = in->getHeader()->stamp;
_ntp_stamp[in->type] = stamp_ms_inc + _ntp_stamp_start;
}
//rtp拦截入口，此处统一赋值ntp
in->ntp_stamp = _ntp_stamp[in->type];
//rtp拦截入口，此处统一赋值ntp
in->ntp_stamp = _ntp_stamp[in->type];
} else {
//点播情况下设置ntp时间戳为rtp时间戳
in->ntp_stamp = in->getStamp() * uint64_t(1000) / in->sample_rate;
}
_rtpRing->write(std::move(in), is_key);
}
@@ -33,6 +38,7 @@ RtspMuxer::RtspMuxer(const TitleSdp::Ptr &title) {
if (!title) {
_sdp = std::make_shared<TitleSdp>()->getSdp();
} else {
_live = title->getDuration() == 0;
_sdp = title->getSdp();
}
_rtpRing = std::make_shared<RtpRing::RingType>();