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Merged pcm2 branch.

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This commit is contained in:
Jaroslav Kysela 2000-05-08 18:53:38 +00:00
parent 986c1500d2
commit 1cd6778173
40 changed files with 5053 additions and 3045 deletions
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133
src/pcm/pcm_local.h
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@ -22,60 +22,133 @@
#include <pthread.h>
#include "asoundlib.h"
struct snd_pcm_plug {
struct snd_pcm_ops {
int (*channel_close)(snd_pcm_t *pcm, int channel);
int (*channel_nonblock)(snd_pcm_t *pcm, int channel, int nonblock);
int (*info)(snd_pcm_t *pcm, snd_pcm_info_t *info);
int (*channel_info)(snd_pcm_t *pcm, snd_pcm_channel_info_t *info);
int (*channel_params)(snd_pcm_t *pcm, snd_pcm_channel_params_t *params);
int (*channel_setup)(snd_pcm_t *pcm, snd_pcm_channel_setup_t *setup);
int (*voice_setup)(snd_pcm_t *pcm, int channel, snd_pcm_voice_setup_t *setup);
int (*channel_status)(snd_pcm_t *pcm, snd_pcm_channel_status_t *status);
int (*channel_prepare)(snd_pcm_t *pcm, int channel);
int (*channel_go)(snd_pcm_t *pcm, int channel);
int (*sync_go)(snd_pcm_t *pcm, snd_pcm_sync_t *sync);
int (*channel_drain)(snd_pcm_t *pcm, int channel);
int (*channel_flush)(snd_pcm_t *pcm, int channel);
int (*channel_pause)(snd_pcm_t *pcm, int channel, int enable);
ssize_t (*write)(snd_pcm_t *pcm, const void *buffer, size_t size);
ssize_t (*writev)(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
ssize_t (*read)(snd_pcm_t *pcm, void *buffer, size_t size);
ssize_t (*readv)(snd_pcm_t *pcm, const struct iovec *vector, unsigned long count);
int (*mmap_control)(snd_pcm_t *pcm, int channel, snd_pcm_mmap_control_t **control, size_t csize);
int (*mmap_data)(snd_pcm_t *pcm, int channel, void **buffer, size_t bsize);
int (*munmap_control)(snd_pcm_t *pcm, int channel, snd_pcm_mmap_control_t *control, size_t csize);
int (*munmap_data)(snd_pcm_t *pcm, int channel, void *buffer, size_t bsize);
int (*file_descriptor)(snd_pcm_t* pcm, int channel);
int (*voices_mask)(snd_pcm_t *pcm, int channel, bitset_t *client_vmask);
};
struct snd_pcm_plug_chan {
snd_pcm_plugin_t *first;
snd_pcm_plugin_t *last;
void *alloc_ptr[2];
long alloc_size[2];
size_t 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 {
typedef struct snd_pcm_plug {
int close_slave;
snd_pcm_t *slave;
struct snd_pcm_plug_chan chan[2];
} snd_pcm_plug_t;
struct snd_pcm_hw_chan {
int fd;
int setup_is_valid;
};
typedef struct snd_pcm_hw {
int card;
int device;
int ver;
struct snd_pcm_hw_chan chan[2];
} snd_pcm_hw_t;
struct snd_pcm_chan {
int open;
int mode;
int valid_setup;
snd_pcm_channel_setup_t setup;
int valid_voices_setup;
snd_pcm_voice_setup_t *voices_setup;
snd_pcm_mmap_control_t *mmap_control;
size_t mmap_control_size;
int mmap_control_emulation;
char *mmap_data;
long mmap_size;
struct snd_pcm_plug plug;
size_t mmap_data_size;
int mmap_data_emulation;
pthread_t mmap_thread;
int mmap_thread_stop;
pthread_mutex_t mutex;
pthread_cond_t status_cond;
pthread_cond_t ready_cond;
};
struct snd_pcm {
int card;
int device;
snd_pcm_type_t type;
int mode;
int ver;
struct snd_pcm_ops *ops;
struct snd_pcm_chan chan[2];
int private[0];
};
unsigned int snd_pcm_plugin_formats(unsigned int formats);
int snd_pcm_plugin_hwparams(snd_pcm_channel_params_t *params,
snd_pcm_channel_info_t *hwinfo,
snd_pcm_channel_params_t *hwparams);
int snd_pcm_plugin_format(snd_pcm_t *pcm,
snd_pcm_channel_params_t *params,
snd_pcm_channel_params_t *hwparams,
snd_pcm_channel_info_t *hwinfo);
void snd_pcm_mmap_status_change(snd_pcm_t *pcm, int channel, int newstatus);
int snd_pcm_abstract_open(snd_pcm_t **handle, int mode, snd_pcm_type_t type, size_t extra);
unsigned int snd_pcm_plug_formats(unsigned int formats);
int snd_pcm_plug_slave_params(snd_pcm_channel_params_t *params,
snd_pcm_channel_info_t *slave_info,
snd_pcm_channel_params_t *slave_params);
int snd_pcm_plug_format(snd_pcm_plugin_handle_t *pcm,
snd_pcm_channel_params_t *params,
snd_pcm_channel_params_t *slave_params);
ssize_t snd_pcm_plug_write_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plugin_voice_t *src_voices, size_t size);
ssize_t snd_pcm_plug_read_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plugin_voice_t *dst_voices_final, size_t size);
ssize_t snd_pcm_plug_client_voices_iovec(snd_pcm_plugin_handle_t *handle, int channel,
const struct iovec *vector, unsigned long count,
snd_pcm_plugin_voice_t **voices);
ssize_t snd_pcm_plug_client_voices_buf(snd_pcm_plugin_handle_t *handle, int channel,
char *buf, size_t count,
snd_pcm_plugin_voice_t **voices);
int snd_pcm_plug_playback_voices_mask(snd_pcm_plugin_handle_t *handle,
bitset_t *client_vmask);
int snd_pcm_plug_capture_voices_mask(snd_pcm_plugin_handle_t *handle,
bitset_t *client_vmask);
int snd_pcm_plugin_client_voices(snd_pcm_plugin_t *plugin,
size_t samples,
snd_pcm_plugin_voice_t **voices);
void *snd_pcm_plug_buf_alloc(snd_pcm_t *pcm, int channel, size_t size);
void snd_pcm_plug_buf_unlock(snd_pcm_t *pcm, int channel, void *ptr);
#define ROUTE_PLUGIN_RESOLUTION 16
int getput_index(int format);
int copy_index(int src_format, int dst_format);
int copy_index(int format);
int conv_index(int src_format, int dst_format);
void zero_voice(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *dst_voice,
size_t samples);
void snd_pcm_plugin_silence_voice(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *dst_voice,
size_t samples);
#ifdef PLUGIN_DEBUG
#define pdprintf( args... ) printf( "plugin: " ##args)
#define pdprintf( args... ) fprintf(stderr, "plugin: " ##args)
#else
#define pdprintf( args... ) { ; }
#endif