[FFmpeg-trac] #5418(undetermined:new): lagarith decoding, missing frames
FFmpeg
trac at avcodec.org
Sun Apr 10 12:25:39 CEST 2016
#5418: lagarith decoding, missing frames
-------------------------------------+-------------------------------------
Reporter: Selur | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: lagarith | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
ffmpeg drops frames instead of 2334 frames the output only contains, 2296
frames when decoding (one second missing)
How to reproduce:
{{{
% ffmpeg -y -threads 8 -i "ng2.avi" -map 0:0 -an -sn -vsync 0 -r
6010000/100000 -pix_fmt yuv420p -strict -2 -f yuv4mpegpipe "ng2.y4m"
}}}
source: http://www.embedupload.com/?d=5WBPUXJXBF
ffmpeg version used:
{{{
ffmpeg version N-79276-g679ae5b-gb0c026a+1 Copyright (c) 2000-2016 the
FFmpeg developers
built with gcc 5.3.0 (Rev5, Built by MSYS2 project)
configuration: --disable-w32threads --enable-fontconfig --enable-gcrypt
--enable-libass --enable-libbluray --enable-libbs2b --enable-libfreetype
--enable-libfribidi --enable-libkvazaar --enable-libmp3lame --enable-
libopus --enable-libsoxr --enable-libspeex --enable-libtwolame --enable-
libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-
libxvid --enable-libzimg --enable-libzvbi --enable-avisynth --enable-gpl
--disable-debug
libavutil 55. 20.100 / 55. 20.100
libavcodec 57. 34.100 / 57. 34.100
libavformat 57. 32.100 / 57. 32.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 41.100 / 6. 41.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
}}}
Checked the original frame count using the vfw decoder on Windows.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5418>
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