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Fix the issue of abnormal timestamps during MP4 recording. (#3363)

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Co-authored-by: xingqiao <xingqiao@uni-ubi.com>
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百鸣 2024-03-16 22:01:06 +08:00 committed by GitHub
parent 3b7f16b755
commit ff43fa5075
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1 changed files with 6 additions and 4 deletions
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10
src/Record/MP4Recorder.cpp
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@ -117,11 +117,13 @@ bool MP4Recorder::inputFrame(const Frame::Ptr &frame) {
if (!(_have_video && frame->getTrackType() == TrackAudio)) {
//如果有视频且输入的是音频，那么应该忽略切片逻辑
if (_last_dts == 0 || _last_dts > frame->dts()) {
//极少情况下dts时间戳可能回退
_last_dts = frame->dts();
//b帧情况下dts时间戳可能回退
_last_dts = MAX(frame->dts(), _last_dts);
}
auto duration = 5; // 默认至少一帧5ms
if (frame->dts() > 0 && frame->dts() > _last_dts) {
duration = MAX(duration, frame->dts() - _last_dts);
}
auto duration = frame->dts() - _last_dts;
if (!_muxer || ((duration > _max_second * 1000) && (!_have_video || (_have_video && frame->keyFrame())))) {
//成立条件
// 1、_muxer为空