[MPlayer-users] Cache empty, consider increasing -cache and/or -cache-min. [performance issue]

[Erik Auerswald]

Hi,

On Fri, Oct 24, 2014 at 04:49:47PM +0100, Jim Cross wrote:
> OK. A big thank you for your help and support. :)
> 
> Although my config is now working after completing another 'make'.

:-)

> I think (not 100% sure) the following install helped prior to the second
> 'make': $ sudo apt-get install alsa-oss

That may have enabled using -ao oss instead of -ao alsa.

> '-ao help' now shows: "alsa    ALSA-0.9.x-1.x audio output"

That is because of the ALSA development package.

> MPlayer appears to find the ALSA device as the following output doesn't
> error anymore:

Yes, it uses ALSA and the OSS compatibility layer is not needed.

> $ ~/mplayer/mplayer -novideo -ao alsa http://ai-radio.org:8000/radio.opus
> 
> MPlayer SVN-r37303-4.6 (C) 2000-2014 MPlayer Team
> 
> Playing http://ai-radio.org:8000/radio.opus.
> Resolving ai-radio.org for AF_INET...
> Connecting to server ai-radio.org[213.163.71.186]: 8000...
> 
> Name   : OPUS 64KB airadio - video game music & many other more...
> ai-radio.org
> Genre  : VideoGame DemoScene MOD Tracker KeyGen VGM Score Chiptunes 8bit
> 1bit Low-fi C64 VGRemix Video Game
> Website: http://ai-radio.org/?f=OPUS.64KB
> Public : yes
> Bitrate: 64000kbit/s
> Cache size set to 320 KBytes
> Cache fill: 19.33% (63349 bytes)
> 
> libavformat version 56.10.100 (internal)
> libavformat file format detected.
> [ogg @ 0xa62018]679 bytes of comment header remain
> [lavf] stream 0: audio (opus), -aid 0, OPUS 64KB airadio - video game music
> & many other more... ai-radio.org
> [lavf] stream 1: video (png), -vid 0, ai-radio.org
> ==========================================================================
> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> libavcodec version 56.9.100 (internal)
> AUDIO: 48000 Hz, 2 ch, floatle, 0.0 kbit/0.00% (ratio: 0->384000)
> Selected audio codec: [ffopus] afm: ffmpeg (FFmpeg opus)
> ==========================================================================
> AO: [alsa] 48000Hz 2ch floatle (4 bytes per sample)
  ^^^^^^^^^^
This tells you that ALSA is actually used.

Thanks,
Erik
-- 
It's hard to avoid programming overcomplicated monoliths if none of your
programs can talk to each other.
                        -- Eric S. Raymond