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improved stream linking and plugin code cleanups

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- added link/unlink/link_fd fast_ops callbacks
- moved code from snd_pcm_link to pcm_hw.c
- moved "empty" routines pointing to slave to pcm_generic.c
- introduced snd_pcm_generic_t
This commit is contained in:
Jaroslav Kysela 2005-01-20 15:07:51 +00:00
parent 9501520606
commit 836987aa99
25 changed files with 767 additions and 957 deletions
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10
src/pcm/pcm_local.h
View file

@ -152,6 +152,9 @@ typedef struct {
int (*delay)(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
int (*resume)(snd_pcm_t *pcm);
int (*poll_ask)(snd_pcm_t *pcm);
int (*link_fd)(snd_pcm_t *pcm);
int (*link)(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
int (*unlink)(snd_pcm_t *pcm);
snd_pcm_sframes_t (*rewind)(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
snd_pcm_sframes_t (*forward)(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
snd_pcm_sframes_t (*writei)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
@ -218,10 +221,6 @@ struct _snd_pcm {
struct list_head async_handlers;
};
/* FIXME */
#define _snd_pcm_link_descriptor _snd_pcm_poll_descriptor
#define _snd_pcm_async_descriptor _snd_pcm_poll_descriptor
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);
@ -266,6 +265,8 @@ snd_pcm_sframes_t snd_pcm_write_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t size);
int snd_pcm_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info);
int snd_pcm_channel_info_shm(snd_pcm_t *pcm, snd_pcm_channel_info_t *info, int shmid);
int _snd_pcm_poll_descriptor(snd_pcm_t *pcm);
int _snd_pcm_link_descriptor(snd_pcm_t *pcm);
#define _snd_pcm_async_descriptor _snd_pcm_poll_descriptor /* FIXME */
/* handle special error cases */
static inline int snd_pcm_check_error(snd_pcm_t *pcm, int err)
@ -820,4 +821,3 @@ typedef union snd_tmp_double {
double d;
int64_t l;
} snd_tmp_double_t;