typedef struct _snd_pcm_scope_ops snd_pcm_scope_ops_t |
SND_PCM_TYPE_METER scope functions
int snd_pcm_meter_add_scope | ( | snd_pcm_t * | pcm, | |
snd_pcm_scope_t * | scope | |||
) |
Add a scope to a SND_PCM_TYPE_METER PCM.
pcm | PCM handle | |
scope | Scope handle |
snd_pcm_uframes_t snd_pcm_meter_get_boundary | ( | snd_pcm_t * | pcm | ) |
Get boundary for frame pointers from a SND_PCM_TYPE_METER PCM.
pcm | PCM handle |
snd_pcm_uframes_t snd_pcm_meter_get_bufsize | ( | snd_pcm_t * | pcm | ) |
Get meter buffer size from a SND_PCM_TYPE_METER PCM.
pcm | PCM handle |
unsigned int snd_pcm_meter_get_channels | ( | snd_pcm_t * | pcm | ) |
Get meter channels from a SND_PCM_TYPE_METER PCM.
pcm | PCM handle |
snd_pcm_uframes_t snd_pcm_meter_get_now | ( | snd_pcm_t * | pcm | ) |
Get meter "now" frame pointer from a SND_PCM_TYPE_METER PCM.
pcm | PCM handle |
unsigned int snd_pcm_meter_get_rate | ( | snd_pcm_t * | pcm | ) |
snd_pcm_scope_t* snd_pcm_meter_search_scope | ( | snd_pcm_t * | pcm, | |
const char * | name | |||
) |
Search an installed scope inside a SND_PCM_TYPE_METER PCM.
pcm | PCM handle | |
name | scope name |
void* snd_pcm_scope_get_callback_private | ( | snd_pcm_scope_t * | scope | ) |
Get callbacks private value for a SND_PCM_TYPE_METER PCM scope.
scope | PCM meter scope |
const char* snd_pcm_scope_get_name | ( | snd_pcm_scope_t * | scope | ) |
int snd_pcm_scope_malloc | ( | snd_pcm_scope_t ** | ptr | ) |
allocate an invalid snd_pcm_scope_t using standard malloc
ptr | returned pointer |
int16_t* snd_pcm_scope_s16_get_channel_buffer | ( | snd_pcm_scope_t * | scope, | |
unsigned int | channel | |||
) |
Get s16 pseudo scope frames buffer for a channel.
scope | s16 pseudo scope handle | |
channel | Channel |
int snd_pcm_scope_s16_open | ( | snd_pcm_t * | pcm, | |
const char * | name, | |||
snd_pcm_scope_t ** | scopep | |||
) |
Add a s16 pseudo scope to a SND_PCM_TYPE_METER PCM.
pcm | The pcm handle | |
name | Scope name | |
scopep | Pointer to newly created and added scope |
void snd_pcm_scope_set_callback_private | ( | snd_pcm_scope_t * | scope, | |
void * | val | |||
) |
Get callbacks private value for a SND_PCM_TYPE_METER PCM scope.
scope | PCM meter scope | |
val | Private data value |
void snd_pcm_scope_set_name | ( | snd_pcm_scope_t * | scope, | |
const char * | val | |||
) |
void snd_pcm_scope_set_ops | ( | snd_pcm_scope_t * | scope, | |
snd_pcm_scope_ops_t * | val | |||
) |