THENG
/
ZLMediaKit
mirror of https://gitcode.com/gh_mirrors/zlme/ZLMediaKit.git
6
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

优化dts生成性能

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/Common/Stamp.cpp
View File

@ -128,18 +128,19 @@ bool DtsGenerator::getDts_l(uint32_t pts, uint32_t &dts){
return true; return true;
} }
if(!_sorter_max_size){
if(pts > _last_max_pts){ if(pts > _last_max_pts){
if(!_sorter_max_size && _frames_since_last_max_pts && _count_sorter_max_size++ > 0){ if(_frames_since_last_max_pts && _count_sorter_max_size++ > 0){
_sorter_max_size = _frames_since_last_max_pts; _sorter_max_size = _frames_since_last_max_pts;
_dts_pts_offset = (pts - _last_max_pts) / 2; _dts_pts_offset = (pts - _last_max_pts) / 2;
} }
_frames_since_last_max_pts = 0; _frames_since_last_max_pts = 0;
_last_max_pts = pts; _last_max_pts = pts;
} }
++_frames_since_last_max_pts;
}
_pts_sorter.emplace(pts); _pts_sorter.emplace(pts);
++_frames_since_last_max_pts;
if(_sorter_max_size && _pts_sorter.size() > _sorter_max_size){ if(_sorter_max_size && _pts_sorter.size() > _sorter_max_size){
auto it = _pts_sorter.begin(); auto it = _pts_sorter.begin();
dts = *it + _dts_pts_offset; dts = *it + _dts_pts_offset;