[FFmpeg-user] aac latm decoding

[Sven Dueking]

-----Ursprüngliche Nachricht-----
Von: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org]
Im Auftrag von Carl Eugen Hoyos
Gesendet: Montag, 20. August 2012 14:15
An: ffmpeg-user at ffmpeg.org
Betreff: Re: [FFmpeg-user] aac latm decoding

>>Sven Dueking <sven <at> nablet.com> writes:
>>
>>> ffprobe.exe aac_dump_ref.aac
>>
>>More useful would be:
>>ffmpeg -i aac_dump_ref.aac out.wav
>>
>>Carl Eugen

Hi Carl, 

Mh, seems that there is some kind of issue ... does the log below help ?

Thanks,
Sven

C:\OpenSource\ffmpeg-20120816-git-f0896a6-win32-static\bin>ffmpeg -i
aac_dump_ref.aac out.wav
ffmpeg version N-43594-gf0896a6 Copyright (c) 2000-2012 the FFmpeg
developers
  built on Aug 15 2012 21:25:48 with gcc 4.7.1 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-pthreads
--enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r
--enable-libass --enable-libcelt --en
able-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype
--enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg
--enable-librtmp --enable-libschroed
inger --enable-libspeex --enable-libtheora --enable-libutvideo
--enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
--enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
  libavutil      51. 69.100 / 51. 69.100
  libavcodec     54. 52.100 / 54. 52.100
  libavformat    54. 23.101 / 54. 23.101
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3.  9.100 /  3.  9.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[aac_latm @ 0206cce0] initializing latmctx
[loas @ 0206c460] max_analyze_duration 5000000 reached at 5034667
[loas @ 0206c460] Estimating duration from bitrate, this may be inaccurate
Input #0, loas, from 'aac_dump_ref.aac':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Audio: aac_latm, 48000 Hz, stereo, s16
Output #0, wav, to 'out.wav':
  Metadata:
    encoder         : Lavf54.23.101
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo,
s16, 1536 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (aac_latm -> pcm_s16le)
Press [q] to stop, [?] for help
Error while decoding stream #0:0: Invalid data found when processing input
size=    4064kB time=00:00:21.67 bitrate=1536.0kbits/s
video:0kB audio:4064kB subtitle:0 global headers:0kB muxing overhead
0.001105%

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