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Exported ERR macros. Completed scopes architecture. Added defaults for {pcm,ctl,rawmidi,seq}type configuration. Fixed bogus dlclose. Implemented ncurses levelmeter (temporarily placed in src/pcm/scopes)

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This commit is contained in:
Abramo Bagnara 2001-03-07 12:36:05 +00:00
parent 8f3ae2cf2e
commit 46b52167df
14 changed files with 928 additions and 353 deletions
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30
include/pcm.h
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@ -209,6 +209,8 @@ typedef struct _snd_pcm_channel_area {
unsigned int step; /* samples distance in bits */
} snd_pcm_channel_area_t;
typedef struct _snd_pcm_scope snd_pcm_scope_t;
#ifdef __cplusplus
extern "C" {
#endif
@ -331,6 +333,34 @@ ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames);
int snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes);
ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, int samples);
/* meter */
typedef struct _snd_pcm_scope_ops {
int (*enable)(snd_pcm_scope_t *scope);
void (*disable)(snd_pcm_scope_t *scope);
void (*start)(snd_pcm_scope_t *scope);
void (*stop)(snd_pcm_scope_t *scope);
void (*update)(snd_pcm_scope_t *scope);
void (*reset)(snd_pcm_scope_t *scope);
void (*close)(snd_pcm_scope_t *scope);
} snd_pcm_scope_ops_t;
snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm);
unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm);
unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm);
snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm);
snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm);
int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope);
snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name);
int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr);
void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope, snd_pcm_scope_ops_t *val);
void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val);
const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope);
void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope);
void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val);
int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name,
snd_pcm_scope_t **scopep);
int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope,
unsigned int channel);
/* misc */