Forgot to add how xbmc opens and handles (demux) ffmpegs streams: "DVDDemuxFFmpeg.cpp - Line 233<https://github.com/xbmc/xbmc/blob/master/xbmc/cores/dvdplayer/DVDDemuxers/DVDDemuxFFmpeg.cpp#L233>" (xbmc main repro) /Regards, Lars.
On Sun, Feb 3, 2013 at 12:04 AM, Lars Hammarstrand < [email protected]> wrote: > Hello folks! > > We are having some problems with the ffmpeg libraries in xbmc. Streaming * > HLS M3U8* urls often causes stuttering video. For example, when testing > the m3u8 url below, BANDWIDTH "984000" and "2793000" streams are > stuttering, the rest works as normal. If you download the streams (ffmpeg > -c copy) and play them locally they all work. All streams also works fine > using mplayer2. Please have look at the xbmc forum link: "BUG No > cache/buffer is used for m3u8 playlists, causes stuttering > video"<http://forum.xbmc.org/showthread.php?tid=154016>. > Also, check this recorded example of a stuttering video (same as in forum > post #8): > "SVT.Play.Screen.Recording.mp4"<http://dl.dropbox.com/u/21767340/XBMC/SVT.Play.Screen.Recording.mp4> > . > > Some questions: > > 1. Could this be it's buffering problem, i.e do we need to enable some > sort of caching for m3u8 streams? > 2. Are there any smart tricks we can use to debug/trace m3u8 streams with > the ffmpeg libs? Any pointers, suggestions and ideas are appreciated! > 3. Anyone seen a simular problem in the past? > -- > > Thanks in advance! > Regards, Lars. > > > > http://svtplay7m-f.akamaihd.net/i/se//open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/master.m3u8 > > ======================================================================================================================== > #EXTM3U > #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=*984000*,RESOLUTION=768x432,CODECS="avc1.77.30, > mp4a.40.5" > > http://svtplay7m-f.akamaihd.net/i/se/open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/index_0_av.m3u8?null=&e=b2a7ace1bf661c32&id= > #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=*345000*,RESOLUTION=512x288,CODECS="avc1.66.30, > mp4a.40.5" > > http://svtplay7m-f.akamaihd.net/i/se/open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/index_1_av.m3u8?null=&e=b2a7ace1bf661c32&id= > #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=*561000*,RESOLUTION=512x288,CODECS="avc1.66.30, > mp4a.40.5" > > http://svtplay7m-f.akamaihd.net/i/se/open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/index_2_av.m3u8?null=&e=b2a7ace1bf661c32&id= > #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=*1677000*,RESOLUTION=1024x576,CODECS="avc1.77.30, > mp4a.40.5" > > http://svtplay7m-f.akamaihd.net/i/se/open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/index_3_av.m3u8?null=&e=b2a7ace1bf661c32&id= > #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=*2793000*,RESOLUTION=1280x720,CODECS="avc1.77.30, > mp4a.40.5" > > http://svtplay7m-f.akamaihd.net/i/se/open/20130129/1230799-001A/DIVING_WITH_CRO-001A-23b378251ee65366_,900,348,564,1680,2800,.mp4.csmil/index_4_av.m3u8?null=&e=b2a7ace1bf661c32&id > > ======================================================================================================================= > -- > >
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