Changes between Initial Version and Version 3 of Ticket #4853


Ignore:
Timestamp:
Sep 15, 2015, 10:43:10 PM (5 years ago)
Author:
cehoyos
Comment:

If there is an issue, it is a regression since 1e5271a9fd6ddcceb083f2185a4bbd8d44c9a813 related to ticket #2143.

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  • Ticket #4853

    • Property Keywords h264 regression added; m2ts ffv1drop frame removed
    • Property Status changed from new to reopened
    • Property Component changed from undetermined to avformat
  • Ticket #4853 – Description

    initial v3  
    77
    88produces:
    9 
     9{{{
    1010C:\Users\user\Documents\Working\vdcat>ffmpeg.new -y -f concat -safe 0 -i ffmpegclipfiles.txt -c:v ffv1 -c:a pcm_f32le ffmpegclips.new.avi
    1111ffmpeg version N-75275-gd13a2df Copyright (c) 2000-2015 the FFmpeg developers
     
    138138frame= 1223 fps= 21 q=-0.0 Lsize=  795778kB time=00:00:24.47 bitrate=266341.5kbits/s dup=0 drop=25
    139139video:786337kB audio:9384kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.007214%
    140 
     140}}}
    141141The errors start appearing as soon as the boundary between clips is reached.
    142142Clip ordering does not change the behaviour; it recurs at the new clip boundary.
     
    145145
    146146An older version of ffmpeg concatenates the same M2TS files as above to FFV1 without problems:
    147 
     147{{{
    148148C:\Users\user\Documents\Working\vdcat>ffmpeg.old -y -f concat -safe 0 -i ffmpegclipfiles.txt -c:v ffv1 -c:a pcm_f32le ffmpegclips.old.avi
    149149ffmpeg version N-54277-gff130d7 Copyright (c) 2000-2013 the FFmpeg developers
     
    178178frame= 1248 fps= 12 q=-1.0 Lsize=  813483kB time=00:00:25.01 bitrate=266434.6kbits/s
    179179video:804041kB audio:9384kB subtitle:0 global headers:0kB muxing overhead 0.007128%
    180 
     180}}}
    181181Apart from absence of error messages, note the higher (and correct) frame count.
    182182