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Marginally reformats for current style.

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This commit is contained in:
Thomas Harte 2018-02-11 20:32:59 -05:00
parent f02989649c
commit d751b7e2cb
1 changed files with 18 additions and 36 deletions
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54
OSBindings/Mac/Clock Signal/Audio/CSAudioQueue.m
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@ -25,8 +25,7 @@ static NSLock *CSAudioQueueDeallocLock;
@implementation CSWeakAudioQueuePointer
@end
@implementation CSAudioQueue
{
@implementation CSAudioQueue {
AudioQueueRef _audioQueue;
AudioQueueBufferRef _storedBuffers[NumberOfStoredAudioQueueBuffer];
NSLock *_storedBuffersLock;
@ -38,13 +37,10 @@ static NSLock *CSAudioQueueDeallocLock;
/*!
@returns @c YES if the queue is running dry; @c NO otherwise.
*/
- (BOOL)audioQueue:(AudioQueueRef)theAudioQueue didCallbackWithBuffer:(AudioQueueBufferRef)buffer
{
- (BOOL)audioQueue:(AudioQueueRef)theAudioQueue didCallbackWithBuffer:(AudioQueueBufferRef)buffer {
[_storedBuffersLock lock];
for(int c = 0; c < NumberOfStoredAudioQueueBuffer; c++)
{
if(!_storedBuffers[c] || buffer->mAudioDataBytesCapacity > _storedBuffers[c]->mAudioDataBytesCapacity)
{
for(int c = 0; c < NumberOfStoredAudioQueueBuffer; c++) {
if(!_storedBuffers[c] || buffer->mAudioDataBytesCapacity > _storedBuffers[c]->mAudioDataBytesCapacity) {
if(_storedBuffers[c]) AudioQueueFreeBuffer(_audioQueue, _storedBuffers[c]);
_storedBuffers[c] = buffer;
[_storedBuffersLock unlock];
@ -59,12 +55,10 @@ static NSLock *CSAudioQueueDeallocLock;
static void audioOutputCallback(
void *inUserData,
AudioQueueRef inAQ,
AudioQueueBufferRef inBuffer)
{
AudioQueueBufferRef inBuffer) {
// Pull the delegate call for audio queue running dry outside of the locked region, to allow non-deadlocking
// lifecycle -dealloc events to result from it.
if([CSAudioQueueDeallocLock tryLock])
{
if([CSAudioQueueDeallocLock tryLock]) {
CSAudioQueue *queue = ((__bridge CSWeakAudioQueuePointer *)inUserData).queue;
BOOL isRunningDry = NO;
isRunningDry = [queue audioQueue:inAQ didCallbackWithBuffer:inBuffer];
@ -76,14 +70,11 @@ static void audioOutputCallback(
#pragma mark - Standard object lifecycle
- (instancetype)initWithSamplingRate:(Float64)samplingRate
{
- (instancetype)initWithSamplingRate:(Float64)samplingRate {
self = [super init];
if(self)
{
if(!CSAudioQueueDeallocLock)
{
if(self) {
if(!CSAudioQueueDeallocLock) {
CSAudioQueueDeallocLock = [[NSLock alloc] init];
}
_storedBuffersLock = [[NSLock alloc] init];
@ -122,8 +113,7 @@ static void audioOutputCallback(
NULL,
kCFRunLoopCommonModes,
0,
&_audioQueue))
{
&_audioQueue)) {
AudioQueueStart(_audioQueue, NULL);
}
}
@ -131,16 +121,13 @@ static void audioOutputCallback(
return self;
}
- (instancetype)init
{
- (instancetype)init {
return [self initWithSamplingRate:[[self class] preferredSamplingRate]];
}
- (void)dealloc
{
- (void)dealloc {
[CSAudioQueueDeallocLock lock];
if(_audioQueue)
{
if(_audioQueue) {
AudioQueueDispose(_audioQueue, true);
_audioQueue = NULL;
}
@ -167,15 +154,12 @@ static void audioOutputCallback(
#pragma mark - Audio enqueuer
- (void)enqueueAudioBuffer:(const int16_t *)buffer numberOfSamples:(size_t)lengthInSamples
{
- (void)enqueueAudioBuffer:(const int16_t *)buffer numberOfSamples:(size_t)lengthInSamples {
size_t bufferBytes = lengthInSamples * sizeof(int16_t);
[_storedBuffersLock lock];
for(int c = 0; c < NumberOfStoredAudioQueueBuffer; c++)
{
if(_storedBuffers[c] && _storedBuffers[c]->mAudioDataBytesCapacity >= bufferBytes)
{
for(int c = 0; c < NumberOfStoredAudioQueueBuffer; c++) {
if(_storedBuffers[c] && _storedBuffers[c]->mAudioDataBytesCapacity >= bufferBytes) {
memcpy(_storedBuffers[c]->mAudioData, buffer, bufferBytes);
_storedBuffers[c]->mAudioDataByteSize = (UInt32)bufferBytes;
@ -197,8 +181,7 @@ static void audioOutputCallback(
#pragma mark - Sampling Rate getters
+ (AudioDeviceID)defaultOutputDevice
{
+ (AudioDeviceID)defaultOutputDevice {
AudioObjectPropertyAddress address;
address.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
address.mScope = kAudioObjectPropertyScopeGlobal;
@ -209,8 +192,7 @@ static void audioOutputCallback(
return AudioObjectGetPropertyData(kAudioObjectSystemObject, &address, sizeof(AudioObjectPropertyAddress), NULL, &size, &deviceID) ? 0 : deviceID;
}
+ (Float64)preferredSamplingRate
{
+ (Float64)preferredSamplingRate {
AudioObjectPropertyAddress address;
address.mSelector = kAudioDevicePropertyNominalSampleRate;
address.mScope = kAudioObjectPropertyScopeGlobal;