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add comments for hls m3u8, target duration may should not changed.

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winlin 2015-02-10 15:18:20 +08:00
parent 693c7a5349
commit f8bdd28de6
1 changed files with 9 additions and 0 deletions
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9
trunk/src/app/srs_app_hls.cpp
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@ -532,6 +532,15 @@ int SrsHlsMuxer::_refresh_m3u8(string m3u8_file)
// #EXT-X-TARGETDURATION:4294967295\n
int target_duration = 0;
/**
* @see hls-m3u8-draft-pantos-http-live-streaming-12.pdf, page 25
* The Media Playlist file MUST contain an EXT-X-TARGETDURATION tag.
* Its value MUST be equal to or greater than the EXTINF duration of any
* media segment that appears or will appear in the Playlist file,
* rounded to the nearest integer. Its value MUST NOT change. A
* typical target duration is 10 seconds.
*/
// TODO: FIXME: finger it out whether it should not changed.
std::vector<SrsHlsSegment*>::iterator it;
for (it = segments.begin(); it != segments.end(); ++it) {
SrsHlsSegment* segment = *it;