[FFmpeg-devel] Fwd: Help with codecs

compn tempn at mi.rr.com
Wed May 13 15:55:59 CEST 2015

On Wed, 13 May 2015 13:03:06 +0000 (UTC)
Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> compn <tempn <at> mi.rr.com> writes:
> > mplayer can play your sample .wav file. but 
> > i only tested this on windows.
> How did you test? (Which command line?)
> Crashes on Linux, Carl Eugen

humm, any unrecognized calls in mplayer -v on linux?
maybe more stubs need to be implemented?
strace reveal anything? maybe it uses a dll on windows
that is not found on linux, like msvc90crt.

i guess i have demuxer=lavf in my config.

so mplayer -demuxer lavf g729stereo.wav

D:\>mplayer g729stereo.wav
MPlayer sherpya-r37368+g52f2adc-4.9.2 (C) 2000-2015 MPlayer Team
175 audio & 383 video codecs

Playing g729stereo.wav.
Cache fill:  0.00% (0 bytes)

libavformat version 56.19.100 (internal)
libavformat file format detected.
[wav @ 015799e0]Could not find codec parameters for stream 0 (Audio: none ([131][0][0][0] / 0
 8000 Hz, 2 channels, 16 kb/s): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
LAVF_header: av_find_stream_info() failed
[lavf] stream 0: audio (unknown), -aid 0
Opening audio decoder: [dmo] Win32/DMO decoders
AUDIO: 8000 Hz, 2 ch, s16le, 16.0 kbit/6.25% (ratio: 2000->32000)
Selected audio codec: [g729dmo] afm: dmo (verint g729)
AO: [dsound] 8000Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A:   6.1 (06.1) of 14.1 (14.1)  0.1% 0%

it did not work with mplayer -demuxer rawaudio g729stereo.wav 


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