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Added pcm_meter skeleton

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This commit is contained in:
Abramo Bagnara 2001-03-01 22:47:34 +00:00
parent bab4a552c8
commit d87059867b
5 changed files with 707 additions and 19 deletions
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19
src/pcm/pcm_local.h
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@ -166,7 +166,26 @@ struct _snd_pcm {
void *private_data;
};
#define ROUTE_PLUGIN_FLOAT 1
#define ROUTE_PLUGIN_RESOLUTION 16
#if ROUTE_PLUGIN_FLOAT
typedef float snd_pcm_route_ttable_entry_t;
#define HALF 0.5
#define FULL 1.0
#else
typedef int snd_pcm_route_ttable_entry_t;
#define HALF (ROUTE_PLUGIN_RESOLUTION / 2)
#define FULL ROUTE_PLUGIN_RESOLUTION
#endif
int snd_pcm_hw_open(snd_pcm_t **pcm, const char *name, int card, int device, int subdevice, snd_pcm_stream_t stream, int mode);
int snd_pcm_plug_open(snd_pcm_t **pcmp,
const char *name,
snd_pcm_route_ttable_entry_t *ttable,
unsigned int tt_ssize,
unsigned int tt_cused, unsigned int tt_sused,
snd_pcm_t *slave, int close_slave);
int snd_pcm_plug_open_hw(snd_pcm_t **pcm, const char *name, int card, int device, int subdevice, snd_pcm_stream_t stream, int mode);
int snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name, const char *socket, const char *sname, snd_pcm_stream_t stream, int mode);
int snd_pcm_file_open(snd_pcm_t **pcmp, const char *name, const char *fname, int fd, const char *fmt, snd_pcm_t *slave, int close_slave);