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More changes for dmix plugin:

Browse source 
- added poll_events to main pcm structure
  - added poll_revents callback to pcm->ops structure
  - fixed snd_pcm_wait() - call revents function and enhanced
    error code reporting
DMIX plugin:
  - more complete code (works at least for one instance)
  - still no "mix" code (it's silent)
This commit is contained in:
Jaroslav Kysela 2003-02-11 18:14:43 +00:00
parent 06cccc6a78
commit af89cefd99
24 changed files with 332 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/pcm/pcm_params.c
View file

@ -1020,6 +1020,9 @@ int snd_pcm_hw_param_never_eq(const snd_pcm_hw_params_t *params,
return -EINVAL;
}
#if 0
#define CHOOSE_DEBUG
#endif
/* Choose one configuration from configuration space defined by PARAMS
The configuration chosen is that obtained fixing in this order:
@ -1035,6 +1038,12 @@ int snd_pcm_hw_param_never_eq(const snd_pcm_hw_params_t *params,
static int snd_pcm_hw_params_choose(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
{
int err;
#ifdef CHOOSE_DEBUG
snd_output_t *log;
snd_output_stdio_attach(&log, stderr, 0);
snd_output_printf(log, "CHOOSE called:\n");
snd_pcm_hw_params_dump(params, log);
#endif
err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_ACCESS, NULL, 0);
if (err < 0)
@ -1063,6 +1072,11 @@ static int snd_pcm_hw_params_choose(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_TICK_TIME, NULL, 0);
if (err < 0)
return err;
#ifdef CHOOSE_DEBUG
snd_output_printf(log, "choose done\n");
snd_pcm_hw_params_dump(params, log);
snd_output_close(log);
#endif
return 0;
}
@ -2204,6 +2218,7 @@ int snd_pcm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
res = pcm->ops->hw_refine(pcm->op_arg, params);
#ifdef REFINE_DEBUG
snd_output_printf(log, "refine done - result = %i\n", res);
snd_pcm_hw_params_dump(params, log);
snd_output_close(log);
#endif
return res;