#110(avformat:new): MP4 Muxer gives incorrect frame duration with AAC
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------+------------------------ Reporter: thebombzen | Type: defect Status: new | Priority: important Component: avformat | Version: git Keywords: | Blocked By: Blocking: | Reproduced: 0 Analyzed: 0 | ------------------------+------------------------ The frame durations of an MP4/AAC file are inaccurate according to FAAD. I encoded an M4A file with ffmpeg -v 9 -loglevel 99 -i IJustHadSex.m4v -vn -acodec copy -map_metadata 0:0 "I Just Had Sex.m4a" The full uncut output is this: FFmpeg version git-N-29123-g256c5b0, Copyright (c) 2000-2011 the FFmpeg developers built on Apr 14 2011 21:24:32 with gcc 4.7.0 20110402 (experimental) configuration: --enable-cross-compile --arch=x86_64 --target-os=mingw32 --cross-prefix=/usr/x86_64-w64-mingw32/bin/ --prefix=/usr/local/x86_64-w64-mingw32 --pkg-config=pkg-config --cpu=i7 libavutil 50. 40. 1 / 50. 40. 1 libavcodec 52.119. 0 / 52.119. 0 libavformat 52.107. 0 / 52.107. 0 libavdevice 52. 4. 0 / 52. 4. 0 libavfilter 1. 78. 0 / 1. 78. 0 libswscale 0. 13. 0 / 0. 13. 0 [NULL @ 000000000033A770] Probed with size=2048 and score=100 [mov,mp4,m4a,3gp,3g2,mj2 @ 000000000033A770] ISO: File Type Major Brand: M4V [h264 @ 000000000033B7B0] Unsupported bit depth: 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 000000000033A770] All info found Seems stream 0 codec frame rate differs from container frame rate: 47.96 (1199/25) -> 23.98 (1199/50) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'IJustHadSex.m4v': Metadata: major_brand : M4V minor_version : 512 compatible_brands: isomiso2avc1 creation_time : 1970-01-01 00:00:00 encoder : Lavf52.104.0 title : I Just Had Sex (feat. Akon) artist : The Lonely Island album : Incredibad Duration: 00:02:55.31, start: 0.000000, bitrate: 1306 kb/s Stream #0.0(und), 2, 1/1199: Video: h264 (Constrained Baseline), yuv420p, 640x360 [PAR 1:1 DAR 16:9], 25/1199, 1171 kb/s, 23.98 fps, 23.98 tbr, 1199 tbn, 47.96 tbc Metadata: creation_time : 1970-01-01 00:00:00 Stream #0.1(und), 1, 1/44100: Audio: aac, 44100 Hz, stereo, s16, 128 kb/s Metadata: creation_time : 1970-01-01 00:00:00 Output #0, ipod, to 'I Just Had Sex.m4a': Metadata: major_brand : M4V minor_version : 512 compatible_brands: isomiso2avc1 creation_time : 1970-01-01 00:00:00 album : Incredibad title : I Just Had Sex (feat. Akon) artist : The Lonely Island encoder : Lavf52.107.0 Stream #0.0(und), 0, 1/44100: Audio: aac, 44100 Hz, stereo, 128 kb/s Metadata: creation_time : 1970-01-01 00:00:00 Stream mapping: Stream #0.1 -> #0.0 Press [q] to stop encoding size= 2845kB time=175.31 bitrate= 132.9kbits/s video:0kB audio:2739kB global headers:0kB muxing overhead 3.847214% The full ffmpeg -v 9 -loglevel 99 -i for the new input file is this: FFmpeg version git-N-29123-g256c5b0, Copyright (c) 2000-2011 the FFmpeg developers built on Apr 14 2011 21:24:32 with gcc 4.7.0 20110402 (experimental) configuration: --enable-cross-compile --arch=x86_64 --target-os=mingw32 --cross-prefix=/usr/x86_64-w64-mingw32/bin/ --prefix=/usr/local/x86_64-w64-mingw32 --pkg-config=pkg-config --cpu=i7 libavutil 50. 40. 1 / 50. 40. 1 libavcodec 52.119. 0 / 52.119. 0 libavformat 52.107. 0 / 52.107. 0 libavdevice 52. 4. 0 / 52. 4. 0 libavfilter 1. 78. 0 / 1. 78. 0 libswscale 0. 13. 0 / 0. 13. 0 [NULL @ 00000000014BA410] Probed with size=2048 and score=100 [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000014BA410] ISO: File Type Major Brand: M4A [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000014BA410] All info found Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'I Just Had Sex.m4a': Metadata: major_brand : M4A minor_version : 512 compatible_brands: isomiso2 creation_time : 1970-01-01 00:00:00 title : I Just Had Sex (feat. Akon) artist : The Lonely Island album : Incredibad encoder : Lavf52.107.0 Duration: 00:02:55.31, start: 0.000000, bitrate: 132 kb/s Stream #0.0(und), 1, 1/44100: Audio: aac, 44100 Hz, stereo, s16, 128 kb/s Metadata: creation_time : 1970-01-01 00:00:00 At least one output file must be specified However, FAAD claims that the frame duration is inaccurate for the MP4, and that it has to use the duration listed in the AAC bitstream instead. Furthermore, iTunes says the file has a duration of 789:57:13, which is iTunes's way of saying Error! The FAAD output is this: *********** Ahead Software MPEG-4 AAC Decoder V2.7 ****************** Build: Jun 14 2010 Copyright 2002-2004: Ahead Software AG http://www.audiocoding.com Floating point version This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License. ************************************************************************** I Just Had Sex.m4a file info: LC AAC 175.139 secs, 2 ch, 44100 Hz title: I Just Had Sex (feat. Akon) artist: The Lonely Island album: Incredibad tool: Lavf52.107.0 --------------------- | Config: 2 Ch | --------------------- | Ch | Position | --------------------- | 00 | Left front | | 01 | Right front | --------------------- MP4 seems to have incorrect frame duration, using values from AAC data. Decoding I Just Had Sex.m4a took: 0.84 sec. 208.00% real-time. Notice the MP4 error. This is important because iTunes won't play the resulting file. -- Ticket URL: <http://ffmpeg.org/trac/ffmpeg/ticket/110> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC -----------------------+----------------------- Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git | Resolution: Keywords: | Blocked By: Blocking: | Reproduced: 0 Analyzed: 0 | -----------------------+----------------------- Changes (by cehoyos): * priority: important => normal * status: new => open Comment: Could you test latest git HEAD? Your version is >200 changes old. -- Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/110#comment:1> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC -----------------------+----------------------- Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git | Resolution: Keywords: | Blocked By: Blocking: | Reproduced: 0 Analyzed: 0 | -----------------------+----------------------- Comment (by thebombzen): I have confirmed that this error still occurs with git-N-29369-g03a91c7, built April 25. ffmpeg version git-N-29369-g03a91c7, Copyright (c) 2000-2011 the FFmpeg developers built on Apr 25 2011 16:05:01 with gcc 4.5.1 20100924 (Red Hat 4.5.1-4) configuration: --enable-static --enable-shared --enable-gpl --enable- version3 --enable-nonfree --enable-postproc --enable-x11grab --enable- runtime-cpudetect --enable-bzlib --enable-frei0r --enable-libopencore- amrnb --enable-libopencv --enable-libdc1394 --enable-libfaac --enable- libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable- libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable- libxavs --enable-libxvid --enable-zlib --arch=x86_64 --cpu=i7 --enable-pic --enable-sram --extra-libs=-lx264 --extra-cflags='-O3 -w' libavutil 51. 0. 0 / 51. 0. 0 libavcodec 53. 1. 0 / 53. 1. 0 libavformat 53. 0. 3 / 53. 0. 3 libavdevice 53. 0. 0 / 53. 0. 0 libavfilter 2. 0. 0 / 2. 0. 0 libswscale 0. 13. 0 / 0. 13. 0 libpostproc 51. 2. 0 / 51. 2. 0 The FAAD message still holds: SI.m4a file info: LC AAC 225.617 secs, 2 ch, 44100 Hz tool: Lavf53.0.3 //channel config MP4 seems to have incorrect frame duration, using values from AAC data. Decoding SI.m4a took: 0.81 sec. 278.54x real-time. -- Ticket URL: <http://ffmpeg.org/trac/ffmpeg/ticket/110#comment:2> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git | Resolution: Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Comment (by cehoyos): I am unable to reproduce this with a random m4v input file and a cut random m4v input file (and faad 2.7). Please upload a sample. -- Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/110#comment:3> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Changes (by cehoyos): * version: git => git-master Comment: {{{ $ ffmpeg -i ticket110.mp4 -acodec copy out.m4a ffmpeg version N-33430-gcb50ada, Copyright (c) 2000-2011 the FFmpeg developers built on Oct 9 2011 20:28:29 with gcc 4.5.3 configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc libavutil 51. 20. 1 / 51. 20. 1 libavcodec 53. 19. 1 / 53. 19. 1 libavformat 53. 14. 0 / 53. 14. 0 libavdevice 53. 4. 0 / 53. 4. 0 libavfilter 2. 43. 6 / 2. 43. 6 libswscale 2. 1. 0 / 2. 1. 0 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ticket110.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 creation_time : 1969-12-31 23:00:00 encoder : Lavf53.14.0 Duration: 00:00:50.50, start: 0.000000, bitrate: 104 kb/s Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 99 kb/s Metadata: creation_time : 1969-12-31 23:00:00 Output #0, ipod, to 'out.m4a': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 creation_time : 1969-12-31 23:00:00 encoder : Lavf53.14.0 Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, 99 kb/s Metadata: creation_time : 1969-12-31 23:00:00 Stream mapping: Stream #0.0 -> #0.0 (copy) Press [q] to stop, [?] for help size= 647kB time=00:00:50.50 bitrate= 104.9kbits/s video:0kB audio:616kB global headers:0kB muxing overhead 5.001625% }}} {{{ $ ffmpeg -i out.m4a ffmpeg version N-33430-gcb50ada, Copyright (c) 2000-2011 the FFmpeg developers built on Oct 9 2011 20:28:29 with gcc 4.5.3 configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc libavutil 51. 20. 1 / 51. 20. 1 libavcodec 53. 19. 1 / 53. 19. 1 libavformat 53. 14. 0 / 53. 14. 0 libavdevice 53. 4. 0 / 53. 4. 0 libavfilter 2. 43. 6 / 2. 43. 6 libswscale 2. 1. 0 / 2. 1. 0 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.m4a': Metadata: major_brand : M4A minor_version : 512 compatible_brands: isomiso2 creation_time : 1969-12-30 23:00:00 encoder : Lavf53.14.0 Duration: 00:00:50.50, start: 0.000000, bitrate: 104 kb/s Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 99 kb/s Metadata: creation_time : 1969-12-30 23:00:00 At least one output file must be specified }}} {{{ $ faad out.m4a *********** Ahead Software MPEG-4 AAC Decoder V2.7 ****************** Build: Mar 31 2010 Copyright 2002-2004: Ahead Software AG http://www.audiocoding.com Floating point version This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License. ************************************************************************** out.m4a file info: LC AAC 50.454 secs, 2 ch, 44100 Hz tool: Lavf53.14.0 --------------------- | Config: 2 Ch | --------------------- | Ch | Position | --------------------- | 00 | Left front | | 01 | Right front | --------------------- MP4 seems to have incorrect frame duration, using values from AAC data. Decoding out.m4a took: 0.17 sec. 296.79x real-time. }}} -- Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/110#comment:4> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mp4 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Changes (by cehoyos): * keywords: => aac mp4 -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:5> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: open Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mp4 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Comment (by Elbandi): Same error. {{{ $ ffmpeg -i ticket110_elbandi.mp4 ffmpeg version 0.7.2-4:0.7.2-1ubuntu1, Copyright (c) 2000-2011 the Libav developers built on Nov 10 2011 09:55:34 with gcc 4.4.3 configuration: --extra-version='4:0.7.2-1ubuntu1' --arch=amd64 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable- libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable- libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable- libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore- amrwb --enable-version3 --enable-libdc1394 --enable-shared --disable- static libavutil 51. 7. 0 / 51. 7. 0 libavcodec 53. 5. 0 / 53. 5. 0 libavformat 53. 2. 0 / 53. 2. 0 libavdevice 53. 0. 0 / 53. 0. 0 libavfilter 2. 4. 0 / 2. 4. 0 libswscale 2. 0. 0 / 2. 0. 0 libpostproc 52. 0. 0 / 52. 0. 0 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ticket110_elbandi.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf53.2.0 Duration: 00:00:03.05, start: 0.000000, bitrate: 51 kb/s Stream #0.0(eng): Audio: aac, 16000 Hz, mono, s16, 48 kb/s Metadata: creation_time : 1970-01-01 00:00:00 }}} {{{ $ faad ticket110_elbandi.mp4 *********** Ahead Software MPEG-4 AAC Decoder V2.7 ****************** Build: Nov 10 2009 Copyright 2002-2004: Ahead Software AG http://www.audiocoding.com Floating point version This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License. ************************************************************************** ticket110_elbandi.mp4 file info: LC AAC 1.503 secs, 2 ch, 32000 Hz tool: Lavf53.2.0 --------------------- | Config: 2 Ch | --------------------- | Ch | Position | --------------------- | 00 | Left front | | 01 | Right front | --------------------- Decoding ticket110_elbandi.mp4 took: 0.02 sec. 75.13x real-time. }}} -- Ticket URL: <http://ffmpeg.org/trac/ffmpeg/ticket/110#comment:6> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+-------------------------------------- Reporter: thebombzen | Owner: Type: defect | Status: closed Priority: normal | Component: avformat Version: git-master | Resolution: worksforme Keywords: aac mp4 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+-------------------------------------- Changes (by michael): * status: open => closed * resolution: => worksforme Comment: Testing with latest ffmpeg, both encoding as well as stream copy lead to files that show identical durations with faad and ffmpeg. So i assume this has been fixed. If not please provide a input file that gets muxed with ffmpeg to something with bad duration and reopen the ticket -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:7> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: reopened Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mp4 | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Changes (by cehoyos): * status: closed => reopened * resolution: worksforme => Comment: If there ever was an issue (I am not sure), it is not fixed, faad still reports "MP4 seems to have incorrect frame duration, using values from AAC data." -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:8> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: reopened Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mov | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Changes (by cehoyos): * keywords: aac mp4 => aac mov -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:9> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: reopened Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mov | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Comment (by zengyi): this is the logļ¼ ffmpeg gets duration 23:17:30.63 ./ffmpeg -i /home/copy.ts ffmpeg version 1.1.git Copyright (c) 2000-2013 the FFmpeg developers built on May 8 2013 17:15:46 with gcc 4.4.6 (GCC) 20110731 (Red Hat 4.4.6-3) configuration: --disable-yasm --disable-asm libavutil 52. 30.100 / 52. 30.100 libavcodec 55. 7.100 / 55. 7.100 libavformat 55. 4.101 / 55. 4.101 libavdevice 55. 0.100 / 55. 0.100 libavfilter 3. 63.101 / 3. 63.101 libswscale 2. 3.100 / 2. 3.100 libswresample 0. 17.102 / 0. 17.102 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=83536, dts=1050949216, size=1076 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=87136, dts=2101814896, size=19108 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590043328, dts=9549390032, size=13220 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590072128, dts=9457950256, size=12484 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590100928, dts=9366557280, size=12484 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590133328, dts=9275232704, size=14876 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590158528, dts=9183965728, size=9908 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590198128, dts=9092767152, size=13588 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590234128, dts=9001676576, size=8988 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590255728, dts=8910650800, size=8988 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590270128, dts=8819635824, size=6964 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590284528, dts=8728620848, size=7884 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590306128, dts=8637609472, size=7884 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590349328, dts=9597672576, size=11932 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590374528, dts=9506801600, size=10460 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590403328, dts=9415970224, size=10828 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590442928, dts=9325218048, size=13956 [mpegts @ 0x2d21ee0] Invalid timestamps stream=0, pts=8590478928, dts=9234559472, size=12852 [mpegts @ 0x2d21ee0] max_analyze_duration 5000000 reached at 5000000 microseconds [mpegts @ 0x2d21ee0] PES packet size mismatch Input #0, mpegts, from '/home/copy.ts': Duration: 23:17:30.63, start: 11677.213522, bitrate: 1 kb/s Program 1 Stream #0:0[0x1022]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 528x576 [SAR 1:1 DAR 11:12], 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x1023]: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 128 kb/s -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:10> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
#110: MP4 Muxer gives incorrect frame duration with AAC ------------------------------------+------------------------------------ Reporter: thebombzen | Owner: Type: defect | Status: reopened Priority: normal | Component: avformat Version: git-master | Resolution: Keywords: aac mov | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------ Comment (by cehoyos): Just for reference: I did not open a new ticket for the unrelated sample because the file has invalid timestamps and I am not convinced that "duration" is strictly defined for a sample with broken timestamps. Could be tested again once ticket #1438 is fixed. -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/110#comment:11> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker
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