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Cleaned pcm internals. Added mmap'able plugins

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This commit is contained in:
Abramo Bagnara 2000-04-17 17:31:41 +00:00
parent 340eb52ea2
commit 5673d299a9
5 changed files with 594 additions and 274 deletions
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42
src/pcm/pcm_local.h
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@ -19,27 +19,41 @@
*
*/
#include <pthread.h>
#include "asoundlib.h"
struct snd_pcm_plug {
snd_pcm_plugin_t *first;
snd_pcm_plugin_t *last;
void *alloc_ptr[2];
long alloc_size[2];
int alloc_lock[2];
snd_pcm_mmap_control_t *mmap_control;
char *mmap_data;
long mmap_size;
pthread_t thread;
int thread_stop;
int setup_is_valid;
snd_pcm_channel_setup_t setup;
int hwstatus;
};
struct snd_pcm_chan {
int fd;
int setup_is_valid;
snd_pcm_channel_setup_t setup;
snd_pcm_mmap_control_t *mmap_control;
char *mmap_data;
long mmap_size;
struct snd_pcm_plug plug;
};
struct snd_pcm {
int card;
int device;
int mode;
int ver;
int fd[2];
int setup_is_valid[2];
snd_pcm_channel_setup_t setup[2];
snd_pcm_mmap_control_t *mmap_caddr[2];
char *mmap_daddr[2];
long mmap_size[2];
snd_pcm_plugin_t *plugin_first[2];
snd_pcm_plugin_t *plugin_last[2];
void *plugin_alloc_ptr[4];
long plugin_alloc_size[4];
int plugin_alloc_lock[4];
void *plugin_alloc_xptr[2];
long plugin_alloc_xsize[2];
int plugin_alloc_xchannel;
struct snd_pcm_chan chan[2];
};
unsigned int snd_pcm_plugin_formats(unsigned int formats);