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#include "alsa-ringbuf.h"
alsa_ringbuf_t * alsa_ringbuf_new(snd_pcm_uframes_t capacity, size_t frameSize) {
alsa_ringbuf_t * rb = malloc(sizeof(alsa_ringbuf_t));
if (!rb)
goto fail;
rb->rbuf = ringbuf_new(capacity*frameSize);
if (!rb->rbuf)
goto fail;
rb->frameSize = frameSize;
fail:
return rb;
}
snd_pcm_uframes_t alsa_ringbuf_buffer_size(const alsa_ringbuf_t *rb) {
return ringbuf_buffer_size(rb->rbuf)/rb->frameSize;
}
void alsa_ringbuf_free(alsa_ringbuf_t *rb) {
ringbuf_free(&rb->rbuf);
free(rb);
}
void alsa_ringbuf_reset(alsa_ringbuf_t * rb) {
ringbuf_reset(rb->rbuf);
}
snd_pcm_uframes_t alsa_ringbuf_capacity(const alsa_ringbuf_t *rb) {
return ringbuf_capacity(rb->rbuf)/rb->frameSize;
}
snd_pcm_uframes_t alsa_ringbuf_frames_remain_capacity(const alsa_ringbuf_t *rb) {
return ringbuf_bytes_free(rb->rbuf)/rb->frameSize;
}
snd_pcm_uframes_t alsa_ringbuf_frames_used(const alsa_ringbuf_t *rb) {
return ringbuf_bytes_used(rb->rbuf)/rb->frameSize;
}
bool alsa_ringbuf_is_full(const alsa_ringbuf_t *rb) {
return ringbuf_is_full(rb->rbuf)==1;
}
bool alsa_ringbuf_is_empty(const alsa_ringbuf_t *rb) {
return ringbuf_is_empty(rb->rbuf)==1;
}
void alsa_ringbuf_frames_push(alsa_ringbuf_t * rb, const void * src, snd_pcm_uframes_t nb) {
ringbuf_memcpy_into(rb->rbuf, src, nb*rb->frameSize);
}
void alsa_ringbuf_frames_pop(alsa_ringbuf_t * rb, void * dst, snd_pcm_uframes_t nb) {
ringbuf_memcpy_from(dst, rb->rbuf, nb*rb->frameSize);
}
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