#5826: Samplerate is wrong when M4A ALAC file converted to WAVE -------------------------------------+------------------------------------- Reporter: liuwei | Owner: Type: defect | Status: new Priority: important | Component: Version: git-master | undetermined Keywords: alac | Resolution: regression | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Changes (by cehoyos):
* keywords: => alac regression * priority: normal => important * version: unspecified => git-master Old description: > When using newest git ffmpeg to convert a 96K samplerate alac m4a file to > wav,the wav samplerate is 48K. > But ffmpeg-2.7.2 is ok. > > ./ffmpeg -i 2L50SACD_tr01_multi_96.m4a test.wav > > git version 1.7.2.5 > > This is newest ffmpeg log: > ./ffmpeg -i 2L50SACD_tr01_multi_96.m4a > ffmpeg version N-81555-g496d97f Copyright (c) 2000-2016 the FFmpeg > developers > built with gcc 4.4.5 (Debian 4.4.5-8) > configuration: --prefix=/home/liuw/open_source/ffmpeg_git/ --enable- > debug --disable-optimizations --disable-yasm --disable-asm --disable- > pthreads > libavutil 55. 29.100 / 55. 29.100 > libavcodec 57. 54.102 / 57. 54.102 > libavformat 57. 48.102 / 57. 48.102 > libavdevice 57. 0.102 / 57. 0.102 > libavfilter 6. 60.100 / 6. 60.100 > libswscale 4. 1.100 / 4. 1.100 > libswresample 2. 1.100 / 2. 1.100 > [alac @ 0xb45e470] Warning: not compiled with thread support, using > thread emulation > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2L50SACD_tr01_multi_96.m4a': > Metadata: > major_brand : M4A > minor_version : 0 > compatible_brands: M4A mp42isom > creation_time : 2016-09-05T07:34:08.000000Z > track : 1/11 > disc : 1/1 > album : DIVERTIMENTI > album_artist : TrondheimSolistene > artist : TrondheimSolistene > comment : 2L50SACD All rights reserved Lindberg Lyd AS, > Norway > composer : Benjamin Britten > PERFORMER : TrondheimSolistene > title : Britten: Simple Symphony 1 > encoder : refalac 1.13, Apple Lossless Encoder > date : 14.04.2008 > Duration: 00:03:01.75, start: 0.000000, bitrate: 6873 kb/s > Stream #0:0(und): Audio: alac (alac / 0x63616C61), 48000 Hz, 5.1, > s32p (24 bit), 6872 kb/s (default) > Metadata: > creation_time : 2016-09-05T07:34:08.000000Z > > This is ffmpeg-2.7.2 log: > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2L50SACD_tr01_multi_96.m4a': > Metadata: > major_brand : M4A > minor_version : 0 > compatible_brands: M4A mp42isom > creation_time : 2016-09-05 07:34:08 > track : 1/11 > disc : 1/1 > album : DIVERTIMENTI > album_artist : TrondheimSolistene > artist : TrondheimSolistene > comment : 2L50SACD All rights reserved Lindberg Lyd AS, > Norway > composer : Benjamin Britten > PERFORMER : TrondheimSolistene > title : Britten: Simple Symphony 1 > encoder : refalac 1.13, Apple Lossless Encoder > date : 14.04.2008 > Duration: 00:03:01.75, start: 0.000000, bitrate: 6873 kb/s > Stream #0:0(und): Audio: alac (alac / 0x63616C61), 96000 Hz, 5.1, > s32p (24 bit), 6872 kb/s (default) > Metadata: > creation_time : 2016-09-05 07:34:08 New description: When using newest git ffmpeg to convert a 96K samplerate alac m4a file to wav,the wav samplerate is 48K. But ffmpeg-2.7.2 is ok. ./ffmpeg -i 2L50SACD_tr01_multi_96.m4a test.wav git version 1.7.2.5 This is newest ffmpeg log: {{{ ./ffmpeg -i 2L50SACD_tr01_multi_96.m4a ffmpeg version N-81555-g496d97f Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.4.5 (Debian 4.4.5-8) configuration: --prefix=/home/liuw/open_source/ffmpeg_git/ --enable- debug --disable-optimizations --disable-yasm --disable-asm --disable- pthreads libavutil 55. 29.100 / 55. 29.100 libavcodec 57. 54.102 / 57. 54.102 libavformat 57. 48.102 / 57. 48.102 libavdevice 57. 0.102 / 57. 0.102 libavfilter 6. 60.100 / 6. 60.100 libswscale 4. 1.100 / 4. 1.100 libswresample 2. 1.100 / 2. 1.100 [alac @ 0xb45e470] Warning: not compiled with thread support, using thread emulation Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2L50SACD_tr01_multi_96.m4a': Metadata: major_brand : M4A minor_version : 0 compatible_brands: M4A mp42isom creation_time : 2016-09-05T07:34:08.000000Z track : 1/11 disc : 1/1 album : DIVERTIMENTI album_artist : TrondheimSolistene artist : TrondheimSolistene comment : 2L50SACD All rights reserved Lindberg Lyd AS, Norway composer : Benjamin Britten PERFORMER : TrondheimSolistene title : Britten: Simple Symphony 1 encoder : refalac 1.13, Apple Lossless Encoder date : 14.04.2008 Duration: 00:03:01.75, start: 0.000000, bitrate: 6873 kb/s Stream #0:0(und): Audio: alac (alac / 0x63616C61), 48000 Hz, 5.1, s32p (24 bit), 6872 kb/s (default) Metadata: creation_time : 2016-09-05T07:34:08.000000Z }}} This is ffmpeg-2.7.2 log: {{{ Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2L50SACD_tr01_multi_96.m4a': Metadata: major_brand : M4A minor_version : 0 compatible_brands: M4A mp42isom creation_time : 2016-09-05 07:34:08 track : 1/11 disc : 1/1 album : DIVERTIMENTI album_artist : TrondheimSolistene artist : TrondheimSolistene comment : 2L50SACD All rights reserved Lindberg Lyd AS, Norway composer : Benjamin Britten PERFORMER : TrondheimSolistene title : Britten: Simple Symphony 1 encoder : refalac 1.13, Apple Lossless Encoder date : 14.04.2008 Duration: 00:03:01.75, start: 0.000000, bitrate: 6873 kb/s Stream #0:0(und): Audio: alac (alac / 0x63616C61), 96000 Hz, 5.1, s32p (24 bit), 6872 kb/s (default) Metadata: creation_time : 2016-09-05 07:34:08 -- Comment: Please provide an input sample. -- Ticket URL: <https://trac.ffmpeg.org/ticket/5826#comment:2> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker _______________________________________________ FFmpeg-trac mailing list FFmpeg-trac@avcodec.org http://ffmpeg.org/mailman/listinfo/ffmpeg-trac