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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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28
src/pcm/pcm_plugin.h
View file

@ -20,6 +20,7 @@
*/
#include "iatomic.h"
#include "pcm_generic.h"
typedef snd_pcm_uframes_t (*snd_pcm_slave_xfer_areas_func_t)
(snd_pcm_t *pcm,
@ -38,8 +39,7 @@ typedef snd_pcm_sframes_t (*snd_pcm_slave_xfer_areas_undo_func_t)
snd_pcm_uframes_t slave_undo_size);
typedef struct {
snd_pcm_t *slave;
int close_slave;
snd_pcm_generic_t gen;
snd_pcm_slave_xfer_areas_func_t read;
snd_pcm_slave_xfer_areas_func_t write;
snd_pcm_slave_xfer_areas_undo_func_t undo_read;
@ -52,24 +52,9 @@ typedef struct {
} snd_pcm_plugin_t;
void snd_pcm_plugin_init(snd_pcm_plugin_t *plugin);
int snd_pcm_plugin_close(snd_pcm_t *pcm);
int snd_pcm_plugin_card(snd_pcm_t *pcm);
int snd_pcm_plugin_nonblock(snd_pcm_t *pcm, int nonblock);
int snd_pcm_plugin_async(snd_pcm_t *pcm, int sig, pid_t pid);
int snd_pcm_plugin_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
int snd_pcm_plugin_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
int snd_pcm_plugin_hw_free(snd_pcm_t *pcm);
int snd_pcm_plugin_sw_refine(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int snd_pcm_plugin_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int snd_pcm_plugin_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
snd_pcm_state_t snd_pcm_plugin_state(snd_pcm_t *pcm);
int snd_pcm_plugin_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
int snd_pcm_plugin_prepare(snd_pcm_t *pcm);
int snd_pcm_plugin_start(snd_pcm_t *pcm);
int snd_pcm_plugin_drop(snd_pcm_t *pcm);
int snd_pcm_plugin_drain(snd_pcm_t *pcm);
int snd_pcm_plugin_pause(snd_pcm_t *pcm, int enable);
snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
snd_pcm_sframes_t snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
snd_pcm_sframes_t snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
@ -77,15 +62,6 @@ snd_pcm_sframes_t snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_ufr
snd_pcm_sframes_t snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
snd_pcm_sframes_t snd_pcm_plugin_mmap_commit(snd_pcm_t *pcm, snd_pcm_uframes_t offset, snd_pcm_uframes_t size);
snd_pcm_sframes_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm);
int snd_pcm_plugin_mmap_status(snd_pcm_t *pcm);
int snd_pcm_plugin_mmap_control(snd_pcm_t *pcm);
int snd_pcm_plugin_mmap(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap_status(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap_control(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap(snd_pcm_t *pcm);
int snd_pcm_plugin_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
int snd_pcm_plugin_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_plugin_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
extern snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops;