[FFmpeg-trac] #3902(avformat:new): FFmpeg MD5 output different with same data #3

FFmpeg trac at avcodec.org
Wed Aug 27 22:40:52 CEST 2014


#3902: FFmpeg MD5 output different with same data #3
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  ahthovaikied                       |                   Status:  new
                 Type:  defect       |                Component:  avformat
             Priority:  normal       |               Resolution:
              Version:  git-master   |               Blocked By:
             Keywords:  md5 mpeg2    |  Reproduced by developer:  0
  ac3 mkv                            |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by ahthovaikied):

 Replying to [comment:2 cehoyos]:
 > Did you test with identical configure options?

 I just did the test (on the cut file), same behavior :

 corei7:
 {{{
 $ ffmpeg -i cut.mkv -map v -map a -c:v copy -c:a copy -f md5 -
 ffmpeg version N-65928-g7997d78 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug 27 2014 22:26:16 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --enable-gpl --enable-version3 --enable-nonfree
 --disable-runtime-cpudetect --disable-ffserver --disable-ffplay --disable-
 encoders --disable-decoders --disable-filters --disable-debug
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  3.100 / 56.  3.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.103 /  5.  0.103
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 [matroska,webm @ 0x29ccc80] Could not find codec parameters for stream 16
 (Attachment: none): unknown codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, matroska,webm, from 'cut.mkv':
   Metadata:
     title           : Goodfellas
     ENCODER         : Lavf55.48.100
   Duration: 00:00:10.65, start: 0.000000, bitrate: 5539 kb/s
     Chapter #0.0: start 0.000000, end 10.000000
     Metadata:
       title           : Chapter 06
     Stream #0:0(eng): Video: mpeg2video (Main), yuv420p(tv), 720x576 [SAR
 64:45 DAR 16:9], max. 7500 kb/s, 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), 384 kb/s (default)
     Stream #0:2(fre): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:3(ita): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:4(eng): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Metadata:
       title           : 2/0
       LANGUAGE        : eng
     Stream #0:5(eng): Subtitle: dvd_subtitle
     Stream #0:6(fre): Subtitle: dvd_subtitle
     Stream #0:7(ita): Subtitle: dvd_subtitle
     Stream #0:8(ger): Subtitle: dvd_subtitle
     Stream #0:9(spa): Subtitle: dvd_subtitle
     Stream #0:10(dut): Subtitle: dvd_subtitle
     Stream #0:11(ara): Subtitle: dvd_subtitle
     Stream #0:12(bul): Subtitle: dvd_subtitle
     Stream #0:13(rum): Subtitle: dvd_subtitle
     Stream #0:14(eng): Subtitle: dvd_subtitle
     Stream #0:15(ita): Subtitle: dvd_subtitle
     Stream #0:16: Attachment: none
     Metadata:
       filename        : media_md5.bin
       mimetype        : application/octet-stream
 Output #0, md5, to 'pipe:':
   Metadata:
     title           : Goodfellas
     encoder         : Lavf56.3.100
     Chapter #0.0: start 0.000000, end 10.000000
     Metadata:
       title           : Chapter 06
     Stream #0:0(eng): Video: mpeg2video, yuv420p, 720x576 [SAR 64:45 DAR
 16:9], q=2-31, max. 7500 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), 384 kb/s (default)
     Stream #0:2(fre): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:3(ita): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:4(eng): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Metadata:
       title           : 2/0
       LANGUAGE        : eng
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
   Stream #0:2 -> #0:2 (copy)
   Stream #0:3 -> #0:3 (copy)
   Stream #0:4 -> #0:4 (copy)
 Press [q] to stop, [?] for help
 MD5=0b0257acc6662c99b71e879d27705ce9
 frame=  240 fps=0.0 q=-1.0 Lsize=       0kB time=00:00:10.01 bitrate=
 0.0kbits/s
 video:5912kB audio:1174kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: unknown
 }}}

 atom:
 {{{
 $ ffmpeg -i cut.mkv -map v -map a -c:v copy -c:a copy -f md5 -
 ffmpeg version N-65930-ga59d922 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug 27 2014 22:35:18 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --enable-gpl --enable-version3 --enable-nonfree
 --disable-runtime-cpudetect --disable-ffserver --disable-ffplay --disable-
 encoders --disable-decoders --disable-filters --disable-debug
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  3.100 / 56.  3.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.103 /  5.  0.103
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 [matroska,webm @ 0x22f8c80] Could not find codec parameters for stream 16
 (Attachment: none): unknown codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, matroska,webm, from 'cut.mkv':
   Metadata:
     title           : Goodfellas
     ENCODER         : Lavf55.48.100
   Duration: 00:00:10.65, start: 0.000000, bitrate: 5539 kb/s
     Chapter #0.0: start 0.000000, end 10.000000
     Metadata:
       title           : Chapter 06
     Stream #0:0(eng): Video: mpeg2video, 720x576, max. 7500 kb/s, SAR
 64:45 DAR 16:9, 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), 384 kb/s (default)
     Stream #0:2(fre): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:3(ita): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:4(eng): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Metadata:
       title           : 2/0
       LANGUAGE        : eng
     Stream #0:5(eng): Subtitle: dvd_subtitle
     Stream #0:6(fre): Subtitle: dvd_subtitle
     Stream #0:7(ita): Subtitle: dvd_subtitle
     Stream #0:8(ger): Subtitle: dvd_subtitle
     Stream #0:9(spa): Subtitle: dvd_subtitle
     Stream #0:10(dut): Subtitle: dvd_subtitle
     Stream #0:11(ara): Subtitle: dvd_subtitle
     Stream #0:12(bul): Subtitle: dvd_subtitle
     Stream #0:13(rum): Subtitle: dvd_subtitle
     Stream #0:14(eng): Subtitle: dvd_subtitle
     Stream #0:15(ita): Subtitle: dvd_subtitle
     Stream #0:16: Attachment: none
     Metadata:
       filename        : media_md5.bin
       mimetype        : application/octet-stream
 Output #0, md5, to 'pipe:':
   Metadata:
     title           : Goodfellas
     encoder         : Lavf56.3.100
     Chapter #0.0: start 0.000000, end 10.000000
     Metadata:
       title           : Chapter 06
     Stream #0:0(eng): Video: mpeg2video, 720x576 [SAR 64:45 DAR 16:9],
 q=2-31, max. 7500 kb/s, 25 fps, 50 tbn, 50 tbc (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), 384 kb/s (default)
     Stream #0:2(fre): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:3(ita): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Stream #0:4(eng): Audio: ac3, 48000 Hz, stereo, 192 kb/s
     Metadata:
       title           : 2/0
       LANGUAGE        : eng
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
   Stream #0:2 -> #0:2 (copy)
   Stream #0:3 -> #0:3 (copy)
   Stream #0:4 -> #0:4 (copy)
 Press [q] to stop, [?] for help
 MD5=726d4f2a3d79e000e0bbde6397311bb2
 frame=  240 fps=0.0 q=-1.0 Lsize=       0kB time=00:00:10.01 bitrate=
 0.0kbits/s
 video:5912kB audio:1174kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3902#comment:3>
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