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This commit is contained in:
twinaphex 2017-06-24 21:28:21 +02:00
parent 57c20bdee7
commit 0aa4edafcf
1 changed files with 48 additions and 45 deletions
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31
audio/drivers/tinyalsa.c
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@ -15,8 +15,6 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
/* See https://github.com/tinyalsa/tinyalsa */
#include <errno.h>
#include <string.h>
@ -25,7 +23,8 @@
#include "../audio_driver.h"
#include "../../verbosity.h"
typedef struct tinyalsa {
typedef struct tinyalsa
{
struct pcm *pcm;
size_t buffer_size;
bool nonblock;
@ -40,14 +39,12 @@ typedef long pcm_sframes_t;
#define BYTES_TO_FRAMES(bytes, frame_bits) ((bytes) * 8 / frame_bits)
#define FRAMES_TO_BYTES(frames, frame_bits) ((frames) * frame_bits / 8)
static void *
tinyalsa_init(const char *device, unsigned rate,
static void * tinyalsa_init(const char *device, unsigned rate,
unsigned latency, unsigned block_frames,
unsigned *new_rate)
{
pcm_sframes_t buffer_size;
struct pcm_config config;
tinyalsa_t *tinyalsa = (tinyalsa_t*)calloc(1, sizeof(tinyalsa_t));
if (!tinyalsa)
return NULL;
@ -63,10 +60,13 @@ tinyalsa_init(const char *device, unsigned rate,
tinyalsa->pcm = pcm_open(0, 0, PCM_OUT, &config);
if (tinyalsa->pcm == NULL) {
if (tinyalsa->pcm == NULL)
{
RARCH_ERR("[TINYALSA]: Failed to allocate memory for pcm.\n");
goto error;
} else if (!pcm_is_ready(tinyalsa->pcm)) {
}
else if (!pcm_is_ready(tinyalsa->pcm))
{
RARCH_ERR("[TINYALSA]: Cannot open audio device.\n");
goto error;
}
@ -162,7 +162,8 @@ tinyalsa_stop(void *data)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
if (tinyalsa->can_pause && !tinyalsa->is_paused) {
if (tinyalsa->can_pause && !tinyalsa->is_paused)
{
int ret = pcm_start(tinyalsa->pcm);
if (ret < 0)
return false;
@ -189,10 +190,12 @@ tinyalsa_start(void *data, bool is_shutdown)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
if (tinyalsa->can_pause && tinyalsa->is_paused) {
if (tinyalsa->can_pause && tinyalsa->is_paused)
{
int ret = pcm_stop(tinyalsa->pcm);
if (ret < 0) {
if (ret < 0)
{
RARCH_ERR("[TINYALSA]: Failed to unpause.\n");
return false;
}
@ -223,11 +226,11 @@ tinyalsa_free(void *data)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
if (tinyalsa) {
if (tinyalsa->pcm) {
if (tinyalsa)
{
if (tinyalsa->pcm)
pcm_close(tinyalsa->pcm);
tinyalsa->pcm = NULL;
}
free(tinyalsa);
}
}