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(CoreAudio) Use rthreads

This commit is contained in:
twinaphex 2015-08-30 10:25:25 +02:00
parent d92a24377d
commit 626592a7a6
1 changed files with 28 additions and 30 deletions
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58
audio/drivers/coreaudio.c
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@ -14,12 +14,11 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../../driver.h"
#include "../../general.h"
#include <queues/fifo_buffer.h>
#include <stdlib.h>
#include <boolean.h>
#include <pthread.h>
#include <queues/fifo_buffer.h>
#include <rthreads/rthreads.h>
#if TARGET_OS_IPHONE
#include <AudioToolbox/AudioToolbox.h>
@ -31,6 +30,9 @@
#include <AudioUnit/AudioUnit.h>
#include <AudioUnit/AUComponent.h>
#include "../../driver.h"
#include "../../general.h"
#if defined(__powerpc__) || defined(__ppc__) || defined(__POWERPC__)
#ifndef OSX_PPC
@ -41,8 +43,8 @@
typedef struct coreaudio
{
pthread_mutex_t lock;
pthread_cond_t cond;
slock_t *lock;
scond_t *cond;
#ifdef OSX_PPC
ComponentInstance dev;
@ -79,8 +81,10 @@ static void coreaudio_free(void *data)
if (dev->buffer)
fifo_free(dev->buffer);
pthread_mutex_destroy(&dev->lock);
pthread_cond_destroy(&dev->cond);
if (dev->lock)
slock_free(dev->lock);
if (dev->cond)
scond_free(dev->cond);
free(dev);
}
@ -106,7 +110,7 @@ static OSStatus audio_write_cb(void *userdata,
write_avail = io_data->mBuffers[0].mDataByteSize;
outbuf = io_data->mBuffers[0].mData;
pthread_mutex_lock(&dev->lock);
slock_lock(dev->lock);
if (fifo_read_avail(dev->buffer) < write_avail)
{
@ -115,16 +119,16 @@ static OSStatus audio_write_cb(void *userdata,
/* Seems to be needed. */
memset(outbuf, 0, write_avail);
pthread_mutex_unlock(&dev->lock);
slock_unlock(dev->lock);
/* Technically possible to deadlock without. */
pthread_cond_signal(&dev->cond);
scond_signal(dev->cond);
return noErr;
}
fifo_read(dev->buffer, outbuf, write_avail);
pthread_mutex_unlock(&dev->lock);
pthread_cond_signal(&dev->cond);
slock_unlock(dev->lock);
scond_signal(dev->cond);
return noErr;
}
@ -215,8 +219,8 @@ static void *coreaudio_init(const char *device,
if (!dev)
return NULL;
pthread_mutex_init(&dev->lock, NULL);
pthread_cond_init(&dev->cond, NULL);
dev->lock = slock_new();
dev->cond = scond_new();
#if TARGET_OS_IPHONE
if (!session_initialized)
@ -341,21 +345,15 @@ static ssize_t coreaudio_write(void *data, const void *buf_, size_t size)
size_t written = 0;
#if TARGET_OS_IPHONE
struct timespec timeout;
struct timeval time;
gettimeofday(&time, 0);
memset(&timeout, 0, sizeof(timeout));
timeout.tv_sec = time.tv_sec + 3;
timeout.tv_nsec = time.tv_usec * 1000;
gettimeofday(&time, NULL);
#endif
while (!g_interrupted && size > 0)
{
size_t write_avail;
pthread_mutex_lock(&dev->lock);
slock_lock(dev->lock);
write_avail = fifo_write_avail(dev->buffer);
if (write_avail > size)
@ -368,19 +366,19 @@ static ssize_t coreaudio_write(void *data, const void *buf_, size_t size)
if (dev->nonblock)
{
pthread_mutex_unlock(&dev->lock);
slock_unlock(dev->lock);
break;
}
#if TARGET_OS_IPHONE
if (write_avail == 0 && pthread_cond_timedwait(
&dev->cond, &dev->lock, &timeout) == ETIMEDOUT)
if (write_avail == 0 && scond_wait_timeout(
dev->cond, dev->lock, time.tv_usec) == ETIMEDOUT)
g_interrupted = true;
#else
if (write_avail == 0)
pthread_cond_wait(&dev->cond, &dev->lock);
scond_wait(dev->cond, dev->lock);
#endif
pthread_mutex_unlock(&dev->lock);
slock_unlock(dev->lock);
}
return written;
@ -430,9 +428,9 @@ static size_t coreaudio_write_avail(void *data)
size_t avail;
coreaudio_t *dev = (coreaudio_t*)data;
pthread_mutex_lock(&dev->lock);
slock_lock(dev->lock);
avail = fifo_write_avail(dev->buffer);
pthread_mutex_unlock(&dev->lock);
slock_unlock(dev->lock);
return avail;
}