[FFmpeg-trac] #488(undetermined:new): Hang on some example files

FFmpeg trac at avcodec.org
Mon Sep 19 13:55:12 CEST 2011 

#488: Hang on some example files
-------------------------------------+-------------------------------------
             Reporter:  Alex__       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by Alex__):

 > (I suspect you are wrong: FFmpeg does not hang for the sample.)

 Let put is this way: it does not hang for the sample on your system . It
 does on my (OS X 10.7.1, compiler arguments as shown above with the given
 example):

 {{{
 $ time ffmpeg -y -i sample-issue-488.mpg sample-issue-488.m4v
 ffmpeg version N-30062-g4a9b069, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Sep 19 2011 13:39:12 with clang 2.1 (tags/Apple/clang-163.7.1)
   configuration: --enable-zlib --disable-debug --enable-libfaac --enable-
 libx264 --enable-gpl --enable-nonfree --enable-libmp3lame --enable-
 libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --cc=clang
   libavutil    51. 16. 0 / 51. 16. 0
   libavcodec   53. 16. 0 / 53. 16. 0
   libavformat  53. 12. 0 / 53. 12. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 43. 2 /  2. 43. 2
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=14400, dts=18000,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=18000, dts=21600,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=25200, dts=28800,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=28800, dts=32400,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=36000, dts=39600,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=39600, dts=43200,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=46800, dts=50400,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=50400, dts=54000,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=57600, dts=61200,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=61200, dts=64800,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=68400, dts=72000,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=72000, dts=75600,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=79200, dts=82800,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=82800, dts=86400,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=90000, dts=93600,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=93600, dts=97200,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=100800,
 dts=104400, size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=104400,
 dts=108000, size=2018
 Input #0, mpeg, from 'sample-issue-488.mpg':
   Duration: 00:00:01.32, start: 0.000000, bitrate: 1861 kb/s
     Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288 [SAR 178:163
 DAR 1958:1467], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
 [buffer @ 0x7f88804215e0] w:352 h:288 pixfmt:yuv420p tb:1/1000000
 sar:178/163 sws_param:
 [libx264 @ 0x7f8880851400] using SAR=178/163
 [libx264 @ 0x7f8880851400] using cpu capabilities: MMX2 SSE2Fast SSSE3
 FastShuffle SSE4.1 Cache64
 [libx264 @ 0x7f8880851400] profile High, level 1.3
 [libx264 @ 0x7f8880851400] 264 - core 116 - H.264/MPEG-4 AVC codec -
 Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1
 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3
 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1
 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60
 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, ipod, to 'sample-issue-488.m4v':
   Metadata:
     encoder         : Lavf53.12.0
     Stream #0.0: Video: h264 (avc1 / 0x31637661), yuv420p, 352x288 [SAR
 178:163 DAR 1958:1467], q=-1--1, 25 tbn, 25 tbc
     Stream #0.1: Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16,
 128 kb/s
 Stream mapping:
   Stream #0.0 -> #0.0 (mpeg1video -> libx264)
   Stream #0.1 -> #0.1 (mp2 -> libfaac)
 Press [q] to stop, [?] for help
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7f888083d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 q
 ^C
 Killed: 9

 real    0m51.891s
 user    1m20.129s
 sys     0m1.035s
 $
 }}}

 >
 > Try any command line that does not involve an external library, often
 ffmpeg -i input -qscale 2 out.avi / out.mpg

 Sure:

 1. Hangs
 {{{
 $ time ffmpeg -y -i sample-issue-488.mpg -qscale 2 out.mpg
 ffmpeg version N-30062-g4a9b069, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Sep 19 2011 13:39:12 with clang 2.1 (tags/Apple/clang-163.7.1)
   configuration: --enable-zlib --disable-debug --enable-libfaac --enable-
 libx264 --enable-gpl --enable-nonfree --enable-libmp3lame --enable-
 libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --cc=clang
   libavutil    51. 16. 0 / 51. 16. 0
   libavcodec   53. 16. 0 / 53. 16. 0
   libavformat  53. 12. 0 / 53. 12. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 43. 2 /  2. 43. 2
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=14400, dts=18000,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=18000, dts=21600,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=25200, dts=28800,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=28800, dts=32400,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=36000, dts=39600,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=39600, dts=43200,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=46800, dts=50400,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=50400, dts=54000,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=57600, dts=61200,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=61200, dts=64800,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=68400, dts=72000,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=72000, dts=75600,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=79200, dts=82800,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=82800, dts=86400,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=90000, dts=93600,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=93600, dts=97200,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=100800,
 dts=104400, size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=104400,
 dts=108000, size=2018
 Input #0, mpeg, from 'sample-issue-488.mpg':
   Duration: 00:00:01.32, start: 0.000000, bitrate: 1861 kb/s
     Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288 [SAR 178:163
 DAR 1958:1467], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
 [buffer @ 0x7fee0b4215a0] w:352 h:288 pixfmt:yuv420p tb:1/1000000
 sar:178/163 sws_param:
 [mpeg @ 0x7fee0b840200] VBV buffer size not set, muxing may fail
 Output #0, mpeg, to 'out.mpg':
   Metadata:
     encoder         : Lavf53.12.0
     Stream #0.0: Video: mpeg1video, yuv420p, 352x288 [SAR 178:163 DAR
 1958:1467], q=2-31, 200 kb/s, 90k tbn, 25 tbc
     Stream #0.1: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
 Stream mapping:
   Stream #0.0 -> #0.0 (mpeg1video -> mpeg1video)
   Stream #0.1 -> #0.1 (mp2 -> mp2)
 Press [q] to stop, [?] for help
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7fee0b83d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 }}}

 2. Works:
 {{{
 $ time ffmpeg -y -i sample-issue-488.mpg -qscale 2 out.avi
 ffmpeg version N-30062-g4a9b069, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Sep 19 2011 13:39:12 with clang 2.1 (tags/Apple/clang-163.7.1)
   configuration: --enable-zlib --disable-debug --enable-libfaac --enable-
 libx264 --enable-gpl --enable-nonfree --enable-libmp3lame --enable-
 libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --cc=clang
   libavutil    51. 16. 0 / 51. 16. 0
   libavcodec   53. 16. 0 / 53. 16. 0
   libavformat  53. 12. 0 / 53. 12. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 43. 2 /  2. 43. 2
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=14400, dts=18000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=18000, dts=21600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=25200, dts=28800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=28800, dts=32400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=36000, dts=39600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=39600, dts=43200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=46800, dts=50400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=50400, dts=54000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=57600, dts=61200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=61200, dts=64800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=68400, dts=72000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=72000, dts=75600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=79200, dts=82800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=82800, dts=86400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=90000, dts=93600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=93600, dts=97200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=100800,
 dts=104400, size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=104400,
 dts=108000, size=2018
 Input #0, mpeg, from 'sample-issue-488.mpg':
   Duration: 00:00:01.32, start: 0.000000, bitrate: 1861 kb/s
     Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288 [SAR 178:163
 DAR 1958:1467], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
 [buffer @ 0x7fcfd8c215a0] w:352 h:288 pixfmt:yuv420p tb:1/1000000
 sar:178/163 sws_param:
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf53.12.0
     Stream #0.0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR
 178:163 DAR 1958:1467], q=2-31, 200 kb/s, 25 tbn, 25 tbc
     Stream #0.1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16,
 128 kb/s
 Stream mapping:
   Stream #0.0 -> #0.0 (mpeg1video -> mpeg4)
   Stream #0.1 -> #0.1 (mp2 -> libmp3lame)
 Press [q] to stop, [?] for help
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=3600, dts=7200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=7200, dts=10800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=14400, dts=18000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=18000, dts=21600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=25200, dts=28800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=28800, dts=32400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=36000, dts=39600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=39600, dts=43200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=46800, dts=50400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=50400, dts=54000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=57600, dts=61200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=61200, dts=64800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=68400, dts=72000,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=72000, dts=75600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=79200, dts=82800,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=82800, dts=86400,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=90000, dts=93600,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=93600, dts=97200,
 size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=100800,
 dts=104400, size=2018
 [mpeg @ 0x7fcfd903d800] Invalid timestamps stream=0, pts=104400,
 dts=108000, size=2018
 [mpeg1video @ 0x7fcfd903fc00] ac-tex damaged at 18 15
 [mpeg1video @ 0x7fcfd903fc00] Warning MVs not available
 [mpeg1video @ 0x7fcfd903fc00] concealing 66 DC, 66 AC, 66 MV errors
 [mp2 @ 0x7fcfd9050e00] incomplete frame
 Error while decoding stream #0.1
 frame=   32 fps=  3 q=2.0 Lsize=  111965kB time=00:00:01.27
 bitrate=721083.8kbits/s
 video:100kB audio:5kB global headers:0kB muxing overhead 106233.836009%

 real    0m12.843s
 user    0m1.987s
 sys     0m10.031s
 $
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/488#comment:4>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list