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优化dts生成性能

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This commit is contained in:
xiongziliang 2020-01-14 10:25:14 +08:00
parent ec67900665
commit d8dbf43490
1 changed files with 9 additions and 8 deletions
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17
src/Common/Stamp.cpp
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@ -128,18 +128,19 @@ bool DtsGenerator::getDts_l(uint32_t pts, uint32_t &dts){
return true;
}
if(pts > _last_max_pts){
if(!_sorter_max_size && _frames_since_last_max_pts && _count_sorter_max_size++ > 0){
_sorter_max_size = _frames_since_last_max_pts;
_dts_pts_offset = (pts - _last_max_pts) / 2;
if(!_sorter_max_size){
if(pts > _last_max_pts){
if(_frames_since_last_max_pts && _count_sorter_max_size++ > 0){
_sorter_max_size = _frames_since_last_max_pts;
_dts_pts_offset = (pts - _last_max_pts) / 2;
}
_frames_since_last_max_pts = 0;
_last_max_pts = pts;
}
_frames_since_last_max_pts = 0;
_last_max_pts = pts;
++_frames_since_last_max_pts;
}
_pts_sorter.emplace(pts);
++_frames_since_last_max_pts;
if(_sorter_max_size && _pts_sorter.size() > _sorter_max_size){
auto it = _pts_sorter.begin();
dts = *it + _dts_pts_offset;