[FFmpeg-trac] #1385(undetermined:new): FFmpeg seems to hang when reencoding mpeg-ps to mp4

FFmpeg trac at avcodec.org
Fri Jun 1 14:51:59 CEST 2012


#1385: FFmpeg seems to hang when reencoding mpeg-ps to mp4
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  mov
             Blocked By:             |  regression
Reproduced by developer:  0          |               Blocking:
                                     |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Originally reported
 [[http://ffmpeg.gusari.org/viewtopic.php?f=11&t=599&p=647|here]] and in
 ticket #1329.
 Another regression since 91360ce, possibly related to ticket #187.
 ffmpeg hangs, the output file grows.
 {{{
 $ ffmpeg -i invalid_cliping_on_screen_hangs_ffpmpeg_endless_file_grow.mpg
 -qscale 2 -strict experimental out.mp4
 ffmpeg version N-41200-gaac41ec Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jun  1 2012 10:02:11 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-
 libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame
 --enable-libtheora --extra-ldflags=-lm --enable-libvpx --enable-libxavs
   libavutil      51. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpeg @ 0x90113c0] max_analyze_duration 5000000 reached at 5015467
 Input #0, mpeg, from
 'invalid_cliping_on_screen_hangs_ffpmpeg_endless_file_grow.mpg':
   Duration: 26:31:34.39, start: 0.622000, bitrate: 0 kb/s
     Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p, 640x480 [SAR 1:1 DAR
 4:3], 1452 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16, 128 kb/s
 Please use -q:a or -q:v, -qscale is ambiguous
 [buffer @ 0x9018780] w:640 h:480 pixfmt:yuv420p tb:1/90000 sar:1/1
 sws_param:flags=2
 [buffersink @ 0x9018aa0] No opaque field provided
 [aformat @ 0x9010a40] auto-inserting filter 'auto-inserted resampler 0'
 between the filter 'Parsed_anull_0' and the filter 'aformat'
 [aresample @ 0x900a240] chl:stereo fmt:s16 r:44100Hz -> chl:stereo fmt:flt
 r:44100Hz
 Output #0, mp4, to 'out.mp4':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 640x480 [SAR
 1:1 DAR 4:3], q=2-31, 200 kb/s, 25 tbn, 25 tbc
     Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo,
 flt, 128 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg1video -> mpeg4)
   Stream #0:1 -> #0:1 (mp2 -> aac)
 Press [q] to stop, [?] for help
 }}}
 Works fine with -ss 1

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1385>
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