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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
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2
src/pcm/pcm_local.h
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@ -125,6 +125,7 @@ typedef struct {
int (*close)(snd_pcm_t *pcm);
int (*nonblock)(snd_pcm_t *pcm, int nonblock);
int (*async)(snd_pcm_t *pcm, int sig, pid_t pid);
int (*poll_revents)(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
int (*info)(snd_pcm_t *pcm, snd_pcm_info_t *info);
int (*hw_refine)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int (*hw_params)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
@ -164,6 +165,7 @@ struct _snd_pcm {
snd_pcm_stream_t stream;
int mode;
int poll_fd;
unsigned short poll_events;
int setup;
snd_pcm_access_t access; /* access mode */
snd_pcm_format_t format; /* SND_PCM_FORMAT_* */