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[Bug 381] New: Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctlyhttp://bugs.xine-project.org/show_bug.cgi?id=381
Summary: Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctly Product: xine-lib Version: 1.1.19 Platform: AMD64/x86-64 OS/Version: Linux Status: UNCONFIRMED Severity: normal Priority: P3 Component: Core / Backend AssignedTo: xine-bugs@... ReportedBy: mhej@... Created an attachment (id=235) --> (http://bugs.xine-project.org/attachment.cgi?id=235) PCR, PTS/DTS of video stream, and PTS of audio stream (where prefixed with "AUDIO") Some of DVB-T broadcasts with H.264 video (like these in Poland) have a large difference between audio and video timestamps. In this case they are about 3 seconds. When provided with stream (or file) of packets with that kind of difference Xine plays it like a slideshow (with cutting audio or no audio at all). Mplayer also has problems with default demuxer, however when used with -demuxer lavf and -mc 4 (for max 4 second A-V difference) it plays the stream correctly. When I applied a rather crude patch to substract about 3 seconds from video PTS and DTS the stream play smoothly (of course with a 3 second difference between what is on screen and what is on audio track). This practically means that using xine here to view DVB-T channels or vdr-xineliboutput is impossible. Setting video and audio buffers to insanely high values (like 5000) and video_num_frames to 200 also doesn't help. -- Configure bugmail: http://bugs.xine-project.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. You are watching all bug changes. ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ xine-bugs mailing list xine-bugs@... https://lists.sourceforge.net/lists/listinfo/xine-bugs |
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[Bug 381] Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctlyhttp://bugs.xine-project.org/show_bug.cgi?id=381
--- Comment #1 from Maciej Szmigiero <mhej@...> 2010-08-09 22:06:34 UTC --- Sample file (used to generate the previous attachement with PCR, DTS and PTS values): http://www.sendspace.com/file/9hswhx -- Configure bugmail: http://bugs.xine-project.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. You are watching all bug changes. ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ xine-bugs mailing list xine-bugs@... https://lists.sourceforge.net/lists/listinfo/xine-bugs |
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[Bug 381] Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctlyhttps://bugs.xine-project.org/show_bug.cgi?id=381
Petri Hintukainen <phi@...> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |phi@... --- Comment #2 from Petri Hintukainen <phi@...> 2012-06-06 08:50:57 CEST --- I think this could be fixed by increasing WRAP_THRESHOLD in demuxer. Currently it is 270000 (3 seconds). Unfortunately the sample file is not available anymore ... -- Configure bugmail: https://bugs.xine-project.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. You are watching all bug changes. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ xine-bugs mailing list xine-bugs@... https://lists.sourceforge.net/lists/listinfo/xine-bugs |
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[Bug 381] Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctlyhttps://bugs.xine-project.org/show_bug.cgi?id=381
--- Comment #3 from Maciej Szmigiero <mhej@...> 2012-06-07 13:29:30 CEST --- I've reuploaded the sample file at http://www.sendspace.com/file/pc8960 . I will check in the coming weeks (as soon as I have some spare time) how the current xine version play this and whether the current broadcasts still contains such large A-V PTS difference. -- Configure bugmail: https://bugs.xine-project.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. You are watching all bug changes. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ xine-bugs mailing list xine-bugs@... https://lists.sourceforge.net/lists/listinfo/xine-bugs |
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[Bug 381] Xine doesn't handle large A-V PTS differences (as in some broadcasts) correctlyhttps://bugs.xine-project.org/show_bug.cgi?id=381
Petri Hintukainen <phi@...> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED --- Comment #4 from Petri Hintukainen <phi@...> 2012-06-08 08:59:50 CEST --- Sample plays fine here (1.2.1-hg), but there are lot of discontinuities. Increasing WRAP_THRESHOLD to 360000 (4 seconds) fixes those. Maybe specs limit the difference to 3 seconds but assume comparing to SCR etc. I've increased the value in xine-lib mpeg-ts demuxer and xineliboutput. mpeg-pes demuxer might also need this fix if someone uses H.264-patched vdr 1.6.0 to record this kind of H.264 streams ... -- Configure bugmail: https://bugs.xine-project.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. You are watching all bug changes. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ xine-bugs mailing list xine-bugs@... https://lists.sourceforge.net/lists/listinfo/xine-bugs |
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