id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
1767	24bit audio in mov is flagged as 16bit in stsd atom	nichot20		"Summary of the bug:
How to reproduce:
{{{
ffmpeg -i 1stream-24.mov -c:a copy 1stream-copy.mov
ffmpeg version N-44123-g5d55830-by_Tim Copyright (c) 2000-2012 the FFmpeg developers
  built on Sep  3 2012 11:18:50 with gcc 4.6 (SUSE Linux)
  configuration: --extra-version=by_Tim --enable-static --disable-shared --enable-gpl --enable-nonfree --enable-version3 --prefix=/mnt/msds-store-0/tim/ffmpeg-tux/usr/local --libdir=/mnt/msds-store-0/tim/ffmpeg-tux/usr/local/lib64 --samples=../fate-suite/ --enable-runtime-cpudetect --extra-cflags='-static -I/mnt/msds-store-0/tim/ffmpeg-tux/usr/local/include' --extra-ldflags='-static -L/mnt/msds-store-0/tim/ffmpeg-tux/usr/local/lib64' --progs-suffix=_Sep-03 --disable-ffserver --enable-libfaac --enable-libfdk-aac --enable-libx264 --enable-libfreetype --disable-ffplay
  libavutil      51. 70.100 / 51. 70.100
  libavcodec     54. 55.100 / 54. 55.100
  libavformat    54. 25.104 / 54. 25.104
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3. 15.102 /  3. 15.102
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Guessed Channel Layout for  Input Stream #0.0 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1stream-24.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2012-09-27 15:53:44
  Duration: 00:00:41.44, start: 0.000000, bitrate: 1152 kb/s
    Stream #0:0(eng): Audio: pcm_s24be (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
    Metadata:
      creation_time   : 2012-09-27 15:53:44
      handler_name    : Apple Alias Data Handler
Output #0, mov, to '1stream-copy.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    encoder         : Lavf54.25.104
    Stream #0:0(eng): Audio: pcm_s24be (in24 / 0x34326E69), 48000 Hz, mono, 1152 kb/s
    Metadata:
      creation_time   : 2012-09-27 15:53:44
      handler_name    : Apple Alias Data Handler
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
size=    5828kB time=00:00:41.44 bitrate=1152.1kbits/s    
video:0kB audio:5828kB subtitle:0 global headers:0kB muxing overhead 0.012836%
}}}

But upon inspection moov->trak->mdia->minf->stbl atom declares that:-
""sample size= 16""

when it should be

""sample size= 24""

Same happens if you use
{{{
ffmpeg -i 1stream-24.mov -c:a pcm_s24be 1stream-recode.mov
}}}"	defect	closed	normal	avformat	git-master	fixed	mov				0	0