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Cleanups in IPC stuff.

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Cleanups in snd_pcm_close().
Added initial code for dmix plugin:
  - only skeleton, but all major problems should be solved
This commit is contained in:
Jaroslav Kysela 2003-02-04 14:48:51 +00:00
parent 74859a4646
commit 8720faaccb
10 changed files with 1132 additions and 59 deletions
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4
src/pcm/pcm_local.h
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@ -111,6 +111,7 @@ typedef struct _snd_pcm_channel_info {
union {
struct {
int shmid;
int remove;
} shm;
struct {
int fd;
@ -214,6 +215,7 @@ struct _snd_pcm {
int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
snd_pcm_stream_t stream, int mode);
int snd_pcm_free(snd_pcm_t *pcm);
void snd_pcm_areas_from_buf(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas, void *buf);
void snd_pcm_areas_from_bufs(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas, void **bufs);
@ -709,6 +711,8 @@ int snd_pcm_open_slave(snd_pcm_t **pcmp, snd_config_t *root,
int mode);
int snd_pcm_conf_generic_id(const char *id);
int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name, int fd, int mmap_emulation);
#define SND_PCM_HW_PARBIT_ACCESS (1U << SND_PCM_HW_PARAM_ACCESS)
#define SND_PCM_HW_PARBIT_FORMAT (1U << SND_PCM_HW_PARAM_FORMAT)
#define SND_PCM_HW_PARBIT_SUBFORMAT (1U << SND_PCM_HW_PARAM_SUBFORMAT)