[FFmpeg-devel] [PATCH] ALS decoder

Carl Eugen Hoyos cehoyos
Wed Nov 11 22:50:57 CET 2009


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?

Carl Eugen




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