This is waht I get when using the custom alsa device - a GL shader error. Might actually be a driver bug. Or a Mesa bug. or Alsa bug. Or mplayer...
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 48000 Hz, 2 ch, s16le, 768.0 kbit/50.00% (ratio: 96000->192000)
Selected audio codec: [ffdca] afm: ffmpeg (FFmpeg DTS)
==========================================================================
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
Unsupported PixelFormat 61
Unsupported PixelFormat 53
Movie-Aspect is 2,35:1 - prescaling to correct movie aspect.
VO: [gl2] 1280x544 => 1280x544 Planar YV12
[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)
[gl] Error compiling fragment program, make sure your card supports
[gl] GL_ARB_fragment_program (use glxinfo to check).
[gl] Error message:
line 7, char 42: error: syntax error, unexpected ',', expecting '}'
at 00, 1,1640
[gl2] antialiasing off
[gl2] bilinear linear
A: 36,5 V: 36,5 A-V: 0,007 ct: 0,115 0/ 0 16% 6% 5,3% 0 0
On Saturday 06 August 2011 04:46:26 Dexter Filmore wrote:
> Now this is downright weird:
> as a workaround for the "tearing" bug I decided to use gl2 output for now.
> Which works perfectly fine. Got a fast CPU, no problem.
> Now I wanted to limit the dynamic range and chainloaded two LADSPA plugins
> into my alsa setup (.asoundrc below).
>
> dts tracks now are watchable at night without waking the neighbors, but
> when I use *this* alsa device I can pass gl, gl2, whatever: the video
> output stays dark.
>
> I can only think of that it has to do with some A/V syncing method, but
> seriously - I am bereft of proper clues.
>
>
> Here is the ~/.asoundrc , I load the chain with mplayer -ao \
> alsa:device=ladcomp
>
>
> pcm.ladcomp {
> type plug
> slave.pcm "ladcomp_compressor";
> }
>
> pcm.ladcomp_compressor {
> type ladspa
> slave.pcm "ladcomp_limiter";
> path "/usr/lib/ladspa";
> plugins [
> {
> label dysonCompress
> input {
> #peak limit, release time, fast ratio, ratio
> controls [0 1 0.5 0.99]
> }
> }
> ]
> }
>
> pcm.ladcomp_limiter {
> type ladspa
> slave.pcm "plughw:0,0";
> path "/usr/lib/ladspa";
> plugins [
> {
> label fastLookaheadLimiter
> input {
> #InputGain(Db) -20 -> +20 ; Limit (db) -20 -> 0 ; Release time
> (s) 0.01 -> 2
> controls [ 20 0 0.8 ]
> }
> }
> ]
> }
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