[FFmpeg-devel] [PATCH] ALS decoder

[Thilo Borgmann]

Carl Eugen Hoyos schrieb:
> Thilo Borgmann <thilo.borgmann <at> googlemail.com> writes:
> 
>> Ok revision 27 now compiles with the latest trunk.
> 
> $ mp4als -v tests/data/rotozoom.ref.wav test.mp4
> 
> PCM file: tests/data/rotozoom.ref.wav
> MP4 file: test.mp4
> 
> Encoding... 100% done
> 
> Audio format : int / 16 bit / 44100 Hz / 2 ch
> Bit rate     : 1411.2 kbit/s
> Playing time : 6.0 sec
> PCM file size: 1058444 bytes
> MP4 file size: 198324 bytes
> Compr. ratio : 5.353 (18.68 %)
> Average bps  : 2.989
> Average rate : 263.6 kbit/s
> 
> Processing took 0.06 sec (100.0 x real-time)
> 
> $ ./ffmpeg -i test.mp4
> FFmpeg version SVN-r20514, Copyright (c) 2000-2009 Fabrice Bellard, et al.
> 
> ...
> 
> [als @ 0x141a460]Reading ALSSpecificConfig failed.
> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1410f20]Could not find codec parameters (Audio:
> als, 44100 Hz, 0 channels, s16, 263 kb/s)
> test.mp4: could not find codec parameters
> 
> Is this not supposed to work?

I missed that, sorry. I will submit a patch in the "Parsing ALS object
type in MPEG-4" thread...

-THilo