Opened 7 years ago
Last modified 11 months ago
#4905 open defect
Splitting a flac file using -ss and -t creates chunks with wrong duration
Reported by: | cdrsgi | Owned by: | |
---|---|---|---|
Priority: | normal | Component: | undetermined |
Version: | git-master | Keywords: | flac |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | no |
Description
Summary of the bug:
When i try to split a large flac files with ffmpeg, created chunks still have the large file's duration and sample count.
How to reproduce:
ffmpeg -v 9 -loglevel 99 -ss 0 -y -i "D:\1.flac" -vn -c:a copy -t 77.222 "C:\1_1.flac" Exit code: 0 Console output: ffmpeg version N-75563-g235381e Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.9.3 (GCC) configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib libavutil 55. 2.100 / 55. 2.100 libavcodec 57. 3.100 / 57. 3.100 libavformat 57. 2.100 / 57. 2.100 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 8.100 / 6. 8.100 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.100 / 2. 0.100 libpostproc 54. 0.100 / 54. 0.100 Splitting the commandline. Reading option '-v' ... matched as option 'v' (set logging level) with argument '9'. Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument '99'. Reading option '-ss' ... matched as option 'ss' (set the start time offset) with argument '0'. Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'. Reading option '-i' ... matched as input file with argument 'D:\Mp3\Pearl Jam\Pearl Jam\1991 - Ten\01 - Pearl Jam - Once.flac'. Reading option '-vn' ... matched as option 'vn' (disable video) with argument '1'. Reading option '-c:a' ... matched as option 'c' (codec name) with argument 'copy'. Reading option '-t' ... matched as option 't' (record or transcode "duration" seconds of audio/video) with argument '77.222'. Reading option 'C:\1_1.flac' ... matched as output file. Finished splitting the commandline. Parsing a group of options: global . Applying option v (set logging level) with argument 9. Applying option y (overwrite output files) with argument 1. Successfully parsed a group of options. Parsing a group of options: input file D:\Mp3\Pearl Jam\Pearl Jam\1991 - Ten\01 - Pearl Jam - Once.flac. Applying option ss (set the start time offset) with argument 0. Successfully parsed a group of options. Opening an input file: D:\Mp3\Pearl Jam\Pearl Jam\1991 - Ten\01 - Pearl Jam - Once.flac. Probing aac score:1 size:2048 Probing flac score:50 size:2048 [flac @ 00000000002e2f60] Format flac probed with size=2048 and score=50 [flac @ 00000000002e2f60] Before avformat_find_stream_info() pos: 1973 bytes read:32768 seeks:0 [flac @ 00000000002ecc00] sample/frame number mismatch in adjacent frames Last message repeated 14 times [flac @ 00000000002e2f60] All info found [flac @ 00000000002e2f60] 0: start_time: 0.000 duration: 10.216 [flac @ 00000000002e2f60] stream: start_time: 0.000 duration: 231.667 bitrate=919 kb/s [flac @ 00000000002e2f60] After avformat_find_stream_info() pos: 19381 bytes read:32768 seeks:0 frames:1 [flac @ 00000000002e2f60] read_seek: 0 0 [flac @ 00000000002e2f60] gen_seek: 0 0 [NULL @ 00000000002ecc00] sample/frame number mismatch in adjacent frames Last message repeated 14 times Input #0, flac, from 'D:\Mp3\Pearl Jam\Pearl Jam\1991 - Ten\01 - Pearl Jam - Once.flac': Metadata: ALBUM : Ten ALBUMARTISTSORT : Pearl Jam ARTIST : Pearl Jam ARTISTSORT : Pearl Jam CATALOGNUMBER : 88697398492 COMMENT : Track 1 DATE : 2009-03-23 disc : 1 GENRE : Grunge LABEL : Bertelsmann Music Group LANGUAGE : eng MEDIA : CD MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6 MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c MUSICIP_PUID : 15ee9b0f-beda-b60f-cb39-e59d719d9f67 ORIGINALDATE : 1991-08-27 RELEASECOUNTRY : GB RELEASESTATUS : official RELEASETYPE : album SCRIPT : Latn TITLE : Once track : 01 REPLAYGAIN_ALBUM_GAIN: -5.72 dB REPLAYGAIN_ALBUM_PEAK: 1.119748 REPLAYGAIN_TRACK_GAIN: -6.22 dB REPLAYGAIN_TRACK_PEAK: 0.950928 ENCODEDBY : Easy CD-DA Extractor (http://www.poikosoft.com) TOTALTRACKS : 11 TOTALDISCS : 2 album_artist : Pearl Jam Duration: 00:03:51.67, start: 0.000000, bitrate: 919 kb/s Stream #0:0, 1, 1/44100: Audio: flac, 44100 Hz, stereo, s16 Side data: replaygain: track gain - -6.220000, track peak - 0.000022, album gain - -5.720000, album peak - 0.000026, Successfully opened the file. Parsing a group of options: output file C:\1_1.flac. Applying option vn (disable video) with argument 1. Applying option c:a (codec name) with argument copy. Applying option t (record or transcode "duration" seconds of audio/video) with argument 77.222. Successfully parsed a group of options. Opening an output file: C:\1_1.flac. Successfully opened the file. Output #0, flac, to 'C:\1_1.flac': Metadata: ALBUM : Ten ALBUMARTISTSORT : Pearl Jam ARTIST : Pearl Jam ARTISTSORT : Pearl Jam CATALOGNUMBER : 88697398492 DESCRIPTION : Track 1 DATE : 2009-03-23 DISCNUMBER : 1 GENRE : Grunge LABEL : Bertelsmann Music Group LANGUAGE : eng MEDIA : CD MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6 MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c MUSICIP_PUID : 15ee9b0f-beda-b60f-cb39-e59d719d9f67 ORIGINALDATE : 1991-08-27 RELEASECOUNTRY : GB RELEASESTATUS : official RELEASETYPE : album SCRIPT : Latn TITLE : Once TRACKNUMBER : 01 REPLAYGAIN_ALBUM_GAIN: -5.72 dB REPLAYGAIN_ALBUM_PEAK: 1.119748 REPLAYGAIN_TRACK_GAIN: -6.22 dB REPLAYGAIN_TRACK_PEAK: 0.950928 ENCODEDBY : Easy CD-DA Extractor (http://www.poikosoft.com) TOTALTRACKS : 11 TOTALDISCS : 2 ALBUMARTIST : Pearl Jam encoder : Lavf57.2.100 Stream #0:0, 0, 1/44100: Audio: flac, 44100 Hz, stereo (16 bit) Side data: replaygain: track gain - -6.220000, track peak - 0.000022, album gain - -5.720000, album peak - 0.000026, Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help [NULL @ 00000000002ecc00] sample/frame number mismatch in adjacent frames Last message repeated 1678 times No more output streams to write to, finishing. size= 7284kB time=00:01:17.18 bitrate= 773.1kbits/s video:0kB audio:7275kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.123952% Input file #0 (D:\Mp3\Pearl Jam\Pearl Jam\1991 - Ten\01 - Pearl Jam - Once.flac): Input stream #0:0 (audio): 833 packets read (7461572 bytes); Total: 833 packets (7461572 bytes) demuxed Output file #0 (C:\1_1.flac): Output stream #0:0 (audio): 832 packets muxed (7449633 bytes); Total: 832 packets (7449633 bytes) muxed 0 frames successfully decoded, 0 decoding errors [AVIOContext @ 00000000002f5860] Statistics: 2 seeks, 834 writeouts [AVIOContext @ 00000000002ec740] Statistics: 7569408 bytes read, 0 seeks
Change History (4)
comment:1 by , 7 years ago
Keywords: | split removed |
---|---|
Priority: | important → normal |
Version: | unspecified → git-master |
comment:2 by , 7 years ago
ffmpeg.exe -i 1_1.flac -f null -
ffmpeg version N-75563-g235381e Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.9.3 (GCC) configuration: --disable-static --enable-shared --enable-gpl --enable-version --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --en ble-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray -- nable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --en ble-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-li vo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-l bwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs -- nable-libxvid --enable-lzma --enable-decklink --enable-zlib libavutil 55. 2.100 / 55. 2.100 libavcodec 57. 3.100 / 57. 3.100 libavformat 57. 2.100 / 57. 2.100 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 8.100 / 6. 8.100 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.100 / 2. 0.100 libpostproc 54. 0.100 / 54. 0.100 Input #0, flac, from '1_1.flac': Metadata: ALBUM : Ten ALBUMARTISTSORT : Pearl Jam ARTIST : Pearl Jam ARTISTSORT : Pearl Jam CATALOGNUMBER : 88697398492 comment : Track 1 DATE : 2009-03-23 disc : 1 GENRE : Grunge LABEL : Bertelsmann Music Group LANGUAGE : eng MEDIA : CD MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6 MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c MUSICIP_PUID : 15ee9b0f-beda-b60f-cb39-e59d719d9f67 ORIGINALDATE : 1991-08-27 RELEASECOUNTRY : GB RELEASESTATUS : official RELEASETYPE : album SCRIPT : Latn TITLE : Once track : 01 REPLAYGAIN_ALBUM_GAIN: -5.72 dB REPLAYGAIN_ALBUM_PEAK: 1.119748 REPLAYGAIN_TRACK_GAIN: -6.22 dB REPLAYGAIN_TRACK_PEAK: 0.950928 ENCODEDBY : Easy CD-DA Extractor (http://www.poikosoft.com) TOTALTRACKS : 11 TOTALDISCS : 2 album_artist : Pearl Jam ENCODER : Lavf57.2.100 Duration: 00:03:51.67, start: 0.000000, bitrate: 257 kb/s Stream #0:0: Audio: flac, 44100 Hz, stereo, s16 Side data: replaygain: track gain - -6.220000, track peak - 0.000022, album gain - - .720000, album peak - 0.000026, Output #0, null, to 'pipe:': Metadata: ALBUM : Ten ALBUMARTISTSORT : Pearl Jam ARTIST : Pearl Jam ARTISTSORT : Pearl Jam CATALOGNUMBER : 88697398492 comment : Track 1 DATE : 2009-03-23 disc : 1 GENRE : Grunge LABEL : Bertelsmann Music Group LANGUAGE : eng MEDIA : CD MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6 MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103 MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c MUSICIP_PUID : 15ee9b0f-beda-b60f-cb39-e59d719d9f67 ORIGINALDATE : 1991-08-27 RELEASECOUNTRY : GB RELEASESTATUS : official RELEASETYPE : album SCRIPT : Latn TITLE : Once track : 01 REPLAYGAIN_ALBUM_GAIN: -5.72 dB REPLAYGAIN_ALBUM_PEAK: 1.119748 REPLAYGAIN_TRACK_GAIN: -6.22 dB REPLAYGAIN_TRACK_PEAK: 0.950928 ENCODEDBY : Easy CD-DA Extractor (http://www.poikosoft.com) TOTALTRACKS : 11 TOTALDISCS : 2 album_artist : Pearl Jam encoder : Lavf57.2.100 Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s Metadata: encoder : Lavc57.3.100 pcm_s16le Stream mapping: Stream #0:0 -> #0:0 (flac (native) -> pcm_s16le (native)) Press [q] to stop, [?] for help size=N/A time=00:01:17.27 bitrate=N/A video:0kB audio:13312kB subtitle:0kB other streams:0kB global headers:0kB muxin overhead: unknown
comment:3 by , 7 years ago
Reproduced by developer: | set |
---|---|
Status: | new → open |
Reproducible with ffmpeg -i fate-suite/filter/seq-3341-7_seq-3342-5-24bit.flac -t 1 -acodec copy out.flac
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ffmpeg -i 1_1.flac -f null -