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Merged pcmfinal branch.

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This commit is contained in:
Jaroslav Kysela 2000-11-20 20:10:46 +00:00
parent 3cc2b957fb
commit 41bb7068f2
57 changed files with 5189 additions and 3088 deletions
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39
src/pcm/pcm_plugin.h
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@ -24,18 +24,21 @@ typedef struct {
int close_slave;
snd_pcm_xfer_areas_func_t read;
snd_pcm_xfer_areas_func_t write;
size_t (*client_frames)(snd_pcm_t *pcm, size_t frames);
ssize_t (*client_frames)(snd_pcm_t *pcm, ssize_t frames);
int (*init)(snd_pcm_t *pcm);
int shmid;
size_t appl_ptr, hw_ptr;
unsigned int saccess_mask;
} snd_pcm_plugin_t;
int snd_pcm_plugin_close(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_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
int snd_pcm_plugin_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
int snd_pcm_plugin_dig_info(snd_pcm_t *pcm, snd_pcm_dig_info_t *info);
int snd_pcm_plugin_dig_params(snd_pcm_t *pcm, snd_pcm_dig_params_t *params);
int snd_pcm_plugin_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
int snd_pcm_plugin_channel_params(snd_pcm_t *pcm, snd_pcm_channel_params_t * params);
int snd_pcm_plugin_channel_setup(snd_pcm_t *pcm, snd_pcm_channel_setup_t * setup);
int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
int snd_pcm_plugin_state(snd_pcm_t *pcm);
int snd_pcm_plugin_delay(snd_pcm_t *pcm, ssize_t *delayp);
@ -58,22 +61,34 @@ 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_descriptor(snd_pcm_t *pcm);
int snd_pcm_plugin_channels_mask(snd_pcm_t *pcm, bitset_t *cmask);
int get_index(int src_format, int dst_format);
int put_index(int src_format, int dst_format);
int conv_index(int src_format, int dst_format);
#define SND_PCM_LINEAR_FORMATS (SND_PCM_FMT_S8 | SND_PCM_FMT_U8 | \
SND_PCM_FMT_S16_LE | SND_PCM_FMT_S16_BE | \
SND_PCM_FMT_U16_LE | SND_PCM_FMT_U16_BE | \
SND_PCM_FMT_S24_LE | SND_PCM_FMT_S24_BE | \
SND_PCM_FMT_U24_LE | SND_PCM_FMT_U24_BE | \
SND_PCM_FMT_S32_LE | SND_PCM_FMT_S32_BE | \
SND_PCM_FMT_U32_LE | SND_PCM_FMT_U32_BE)
#define SND_PCM_FMTBIT_LINEAR (SND_PCM_FMTBIT_S8 |SND_PCM_FMTBIT_U8 | \
SND_PCM_FMTBIT_S16_LE|SND_PCM_FMTBIT_S16_BE | \
SND_PCM_FMTBIT_U16_LE|SND_PCM_FMTBIT_U16_BE | \
SND_PCM_FMTBIT_S24_LE|SND_PCM_FMTBIT_S24_BE | \
SND_PCM_FMTBIT_U24_LE|SND_PCM_FMTBIT_U24_BE | \
SND_PCM_FMTBIT_S32_LE|SND_PCM_FMTBIT_S32_BE | \
SND_PCM_FMTBIT_U32_LE|SND_PCM_FMTBIT_U32_BE)
extern snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops;
#define muldiv64(a,b,d) (((int64_t)(a) * (b) + (b) / 2) / (d))
static inline ssize_t muldiv_down(ssize_t a, ssize_t b, ssize_t d)
{
return (int64_t) (a * b) / d;
}
static inline ssize_t muldiv_up(ssize_t a, ssize_t b, ssize_t d)
{
return (int64_t) (a * b + (d - 1)) / d;
}
static inline ssize_t muldiv_near(ssize_t a, ssize_t b, ssize_t d)
{
return (int64_t) (a * b + (d / 2)) / d;
}
#define ROUTE_PLUGIN_FLOAT 1
#define ROUTE_PLUGIN_RESOLUTION 16