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Add rate control to coreaudio.

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This commit is contained in:
Themaister 2012-02-26 01:22:07 +01:00
parent b4fe5198b3
commit 9b4a91fd29
1 changed files with 20 additions and 1 deletions
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21
audio/coreaudio.c
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@ -39,6 +39,7 @@ typedef struct coreaudio
fifo_buffer_t *buffer; fifo_buffer_t *buffer;
bool nonblock; bool nonblock;
size_t buffer_size;
} coreaudio_t; } coreaudio_t;
static void coreaudio_free(void *data) static void coreaudio_free(void *data)
@ -193,6 +194,7 @@ static void *coreaudio_init(const char *device, unsigned rate, unsigned latency)
fifo_size = (latency * g_settings.audio.out_rate) / 1000; fifo_size = (latency * g_settings.audio.out_rate) / 1000;
fifo_size *= 2 * sizeof(float); fifo_size *= 2 * sizeof(float);
dev->buffer_size = fifo_size;
dev->buffer = fifo_new(fifo_size); dev->buffer = fifo_new(fifo_size);
if (!dev->buffer) if (!dev->buffer)
@ -270,6 +272,21 @@ static bool coreaudio_use_float(void *data)
return true; return true;
} }
static size_t coreaudio_write_avail(void *data)
{
coreaudio_t *dev = (coreaudio_t*)data;
pthread_mutex_lock(&dev->lock);
size_t avail = fifo_write_avail(dev->buffer);
pthread_mutex_unlock(&dev->lock);
return avail;
}
static size_t coreaudio_buffer_size(void *data)
{
coreaudio_t *dev = (coreaudio_t*)data;
return dev->buffer_size;
}
const audio_driver_t audio_coreaudio = { const audio_driver_t audio_coreaudio = {
coreaudio_init, coreaudio_init,
coreaudio_write, coreaudio_write,
@ -278,6 +295,8 @@ const audio_driver_t audio_coreaudio = {
coreaudio_set_nonblock_state, coreaudio_set_nonblock_state,
coreaudio_free, coreaudio_free,
coreaudio_use_float, coreaudio_use_float,
"coreaudio" "coreaudio",
coreaudio_write_avail,
coreaudio_buffer_size,
}; };