Jaroslav Kysela napsal(a): > On Tue, 3 Aug 2010, Pavel Hofman wrote: > >> Jaroslav Kysela napsal(a): >>> On Tue, 3 Aug 2010, Pavel Hofman wrote: >>> >>>> Hi, >>>> >>>> mplayer checks hw_params for availability of the current format >>>> http://mplayer-ww.git.sourceforge.net/git/gitweb.cgi?p=mplayer-ww/mplayer-ww;a=blob;f=libao2/ao_alsa.c;h=57f0bd07cb5ec300d327682a0b5209ba9dc10e30;hb=09ab9f6346aaf15d20792ca3df761a45fe46d83d#l514 >>>> >>>> >>>> . If the check fails, it uses 16bits as fixed default. >>>> >>>> Now if we define the card to be plughw:0, the check still fails for >>>> formats unsupported directly by the card. Which in fact is incorrect >>>> since the plug plugin takes care of most formats known. The same holds >>>> for sample rates. >>> >>> It works for me: >>> >>> perex@eeebox2:~/alsa/alsa-lib/test> ./pcm >>> Playback device is plughw:0,0 >>> Stream parameters are 44100Hz, S16_LE, 1 channels >>> Sine wave rate is 440.0000Hz >>> Using transfer method: write >>> test format float_le: 0 >>> test format mpeg: -22 >>> >>> Using modified alsa-lib/test/pcm.c code: >>> >>> diff --git a/test/pcm.c b/test/pcm.c >>> index abb83e4..0582891 100644 >>> --- a/test/pcm.c >>> +++ b/test/pcm.c >>> @@ -106,6 +106,8 @@ static int set_hwparams(snd_pcm_t *handle, >>> printf("Broken configuration for playback: no configurations >>> available: %s\n", snd_strerror(err)); >>> return err; >>> } >>> + printf("test format float_le: %i\n", >>> snd_pcm_hw_params_test_format(handle, params, SND_PCM_FORMAT_FLOAT_LE)); >>> + printf("test format mpeg: %i\n", >>> snd_pcm_hw_params_test_format(handle, params, SND_PCM_FORMAT_MPEG)); >>> /* set hardware resampling */ >>> err = snd_pcm_hw_params_set_rate_resample(handle, params, >>> resample); >>> if (err < 0) { >>> >>> >>> Could you describe you hw configuration or can you reproduce this issue >>> with the snd-dummy module? >>> >> >> Thanks for your reply. How do you compile the test directory? Neither >> gitcompile nor make in the test dir did the trick. Thanks, > > cd alsa-lib/test > make pcm > Thanks a lot. You are right, it works OK now. The problem was older mplayer (its internal s24le code was translated to mpeg code of alsa :) ) , it is fixed in later versions. Thanks for help. Pavel. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
