[mythtv-commits] Ticket #10848: [PATCH] OSD: Add a graphical display of audio level to cut list editor

[MythTV]

#10848: [PATCH] OSD: Add a graphical display of audio level to cut list editor
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 Reporter:  Lawrence Rust <lvr@…>  |          Owner:  stichnot
     Type:  Patch - Feature        |         Status:  infoneeded
 Priority:  minor                  |      Milestone:  unknown
Component:  MythTV - General       |        Version:  0.25-fixes
 Severity:  medium                 |     Resolution:
 Keywords:  OSD audio graph        |  Ticket locked:  0
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Comment (by Lawrence Rust <lvr@…>):

 Further investigation indicates that the audio data are correctly
 formatted with AC3 - I used an mp4 video with AC3 audio produced with
 ffmpeg. However, it appears that the timecodes for audio are unreliable
 such that when you seek back and forth you get different audio data for
 the same location.  Maybe this is a consequence of a bad or missing
 posmap?

 I couldn't get mythcommflag to rebuild the posmap for my mp4 video.  It
 appears that avformatdecoder doesn't understand framing in H264 NAL
 streams, only annexe B.

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Ticket URL: <http://code.mythtv.org/trac/ticket/10848#comment:6>
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