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-rw-r--r--src/audioOutputs/audioOutput_osx.c58
1 files changed, 26 insertions, 32 deletions
diff --git a/src/audioOutputs/audioOutput_osx.c b/src/audioOutputs/audioOutput_osx.c
index 2274f3361..c8760c3c1 100644
--- a/src/audioOutputs/audioOutput_osx.c
+++ b/src/audioOutputs/audioOutput_osx.c
@@ -26,7 +26,7 @@
#include "../log.h"
-#define BUFFER_SIZE 8192
+#define BUFFER_SIZE 4096
typedef struct _OsxData {
AudioUnit au;
@@ -98,32 +98,37 @@ static void osx_finishDriver(AudioOutput * audioOutput) {
}
static void osx_dropBufferedAudio(AudioOutput * audioOutput) {
- /* not implemented yet */
+ OsxData * od = (OsxData *)audioOutput->data;
+
+ pthread_mutex_lock(&od->mutex);
+ od->go = 0;
+ od->len = 0;
+ pthread_mutex_unlock(&od->mutex);
+
+ /*if(od->started) {
+ AudioOutputUnitStop(od->au);
+ od->started = 0;
+ }*/
}
static void osx_closeDevice(AudioOutput * audioOutput) {
OsxData * od = (OsxData *) audioOutput->data;
- DEBUG("entering osx_closeDevice\n");
-
pthread_mutex_lock(&od->mutex);
od->go = 0;
while(od->len) {
- DEBUG("osx_closeDevice: cond_wait\n");
pthread_cond_wait(&od->condition, &od->mutex);
}
pthread_mutex_unlock(&od->mutex);
- DEBUG("stopping au\n");
-
- AudioOutputUnitStop(od->au);
+ if(od->started) {
+ AudioOutputUnitStop(od->au);
+ od->started = 0;
+ }
- DEBUG("closing au\n");
CloseComponent(od->au);
AudioUnitUninitialize(od->au);
- DEBUG("Leaving osx_closeDevice\n");
-
audioOutput->open = 0;
}
@@ -161,7 +166,6 @@ static OSStatus osx_render(void * vdata,
bytesToCopy -= bytes;
}
- assert(bytesToCopy);
memcpy(buffer->mData+curpos, od->buffer+od->pos, bytesToCopy);
od->pos += bytesToCopy;
curpos += bytesToCopy;
@@ -193,21 +197,17 @@ static int osx_openDevice(AudioOutput * audioOutput) {
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
- DEBUG("finding component\n");
-
comp = FindNextComponent(NULL, &desc);
if(comp == 0) {
ERROR("Error finding OS X component\n");
return -1;
}
- DEBUG("opening component\n");
if(OpenAComponent(comp, &od->au) != noErr) {
ERROR("Unable to open OS X component\n");
return -1;
}
- DEBUG("initializing au\n");
if(AudioUnitInitialize(od->au) != 0) {
CloseComponent(od->au);
ERROR("Unable to initialuze OS X audio unit\n");
@@ -217,7 +217,6 @@ static int osx_openDevice(AudioOutput * audioOutput) {
callback.inputProc = osx_render;
callback.inputProcRefCon = od;
- DEBUG("set callback\n");
if(AudioUnitSetProperty(od->au, kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input, 0,
&callback, sizeof(callback)) != 0)
@@ -238,7 +237,6 @@ static int osx_openDevice(AudioOutput * audioOutput) {
streamDesc.mChannelsPerFrame = audioFormat->channels;
streamDesc.mBitsPerChannel = audioFormat->bits;
- DEBUG("set format\n");
if(AudioUnitSetProperty(od->au, kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input, 0,
&streamDesc, sizeof(streamDesc)) != 0)
@@ -249,20 +247,11 @@ static int osx_openDevice(AudioOutput * audioOutput) {
return -1;
}
- DEBUG("start\n");
- int err = AudioOutputUnitStart(od->au);
- if(err) {
- ERROR("unable to start audio output: %i\n", err);
- return -1;
- }
-
- od->go = 1;
od->pos = 0;
od->len = 0;
audioOutput->open = 1;
- DEBUG("opened OS X device\n");
return 0;
}
@@ -271,6 +260,16 @@ static int osx_play(AudioOutput * audioOutput, char * playChunk, int size) {
int bytesToCopy;
int curpos;
+ if(!od->started) {
+ od->go = 1;
+ od->started = 1;
+ int err = AudioOutputUnitStart(od->au);
+ if(err) {
+ ERROR("unable to start audio output: %i\n", err);
+ return -1;
+ }
+ }
+
pthread_mutex_lock(&od->mutex);
curpos = od->pos+od->len;
@@ -278,10 +277,6 @@ static int osx_play(AudioOutput * audioOutput, char * playChunk, int size) {
while(size) {
while(od->len >= BUFFER_SIZE) {
- if(curpos!=od->pos) {
- DEBUG("%i != %i\n", curpos, od->pos);
- abort();
- }
pthread_cond_signal(&od->condition);
pthread_cond_wait(&od->condition, &od->mutex);
}
@@ -299,7 +294,6 @@ static int osx_play(AudioOutput * audioOutput, char * playChunk, int size) {
bytesToCopy -= bytes;
}
- assert(bytesToCopy);
memcpy(od->buffer+curpos, playChunk, bytesToCopy);
curpos += bytesToCopy;
playChunk += bytesToCopy;