[MPlayer-users] audio codec problem on Fedora 3

Stephen Ng stevenng at 123poz.com
Wed Mar 9 16:42:54 CET 2005

I compiled and installed mplayer together with all the codecs. Playback
from VCD seems OK, however, playback with DVDs (I think only with those
that have AC3 or DTS encoded audio - needs to be confirmed) always give
the following -

Trying to force audio codec driver family ffmpeg...
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
Cannot find codec 'dts' in libavcodec...
ADecoder init failed :(
ADecoder init failed :(
Opening audio decoder: [hwac3] AC3/DTS pass-through SP/DIF
No accelerated IMDCT transform found
hwac3: switched to DTS, 768000 bps, 48000 Hz
AUDIO: 48000 Hz, 2 ch, 16 bit (0x400), ratio: 96000->192000 (768.0 kbit)
Selected audio codec: [hwdts] afm:hwac3 (DTS through SPDIF)
Checking audio filter chain for 48000Hz/2ch/16bit -> 48000Hz/2ch/8bit...
AF_pre: af format: 2 bps, 2 ch, 48000 hz, big endian AC3
AF_pre: 48000Hz 2ch AC3
[pl_eq] Input audio format not yet supported.
[AO OSS] Can't set audio device /dev/dsp to AC3 output, trying S16...
AO: [plugin] 48000Hz 2ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/2ch/16bit ->
[format] Sample format big endian AC3  not yet supported
[libaf] Reinitialization did not work, audio filter 'format' returned
error code -2
Couldn't find matching filter/ao format!
Starting playback...

This error occurs even when I use -ao option to load oss/ffmpeg/alsa or
probably any other codec! It always says it cannot "find a matching
filter/ao format".

Can anyone help?



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