workaround for atexit - buffer size API change
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1635 c046a42c-6fe2-441c-8c8c-71466251a162
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bellard
parent
509035303d
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5e941d4b51
@ -33,17 +33,19 @@
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struct {
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int buffer_frames;
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int isAtexit;
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} conf = {
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.buffer_frames = 512
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.buffer_frames = 512,
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.isAtexit = 0
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};
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typedef struct coreaudioVoiceOut {
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HWVoiceOut hw;
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pthread_mutex_t mutex;
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int isAtexit;
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AudioDeviceID outputDeviceID;
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UInt32 audioDevicePropertyBufferSize;
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UInt32 audioDevicePropertyBufferFrameSize;
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AudioStreamBasicDescription outputStreamBasicDescription;
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int isPlaying;
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int live;
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int decr;
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int rpos;
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@ -139,6 +141,26 @@ static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 (
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coreaudio_logstatus (status);
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}
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static inline UInt32 isPlaying (AudioDeviceID outputDeviceID)
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{
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OSStatus status;
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UInt32 result = 0;
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UInt32 propertySize = sizeof(outputDeviceID);
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status = AudioDeviceGetProperty(
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outputDeviceID, 0, 0,
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kAudioDevicePropertyDeviceIsRunning, &propertySize, &result);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr(status,
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"Could not determine whether Device is playing\n");
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}
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return result;
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}
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static void coreaudio_atexit (void)
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{
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conf.isAtexit = 1;
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}
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static int coreaudio_lock (coreaudioVoiceOut *core, const char *fn_name)
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{
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int err;
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@ -203,7 +225,7 @@ static OSStatus audioDeviceIOProc(
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const AudioTimeStamp* inOutputTime,
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void* hwptr)
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{
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unsigned int frame, frameCount;
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UInt32 frame, frameCount;
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float *out = outOutputData->mBuffers[0].mData;
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HWVoiceOut *hw = hwptr;
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hwptr;
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@ -222,7 +244,7 @@ static OSStatus audioDeviceIOProc(
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return 0;
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}
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frameCount = conf.buffer_frames;
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frameCount = core->audioDevicePropertyBufferFrameSize;
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live = core->live;
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/* if there are not enough samples, set signal and return */
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@ -254,7 +276,7 @@ static OSStatus audioDeviceIOProc(
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/* cleanup */
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mixeng_clear (src, frameCount);
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rpos = (rpos + frameCount) % hw->samples;
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core->decr = frameCount;
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core->decr += frameCount;
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core->rpos = rpos;
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coreaudio_unlock (core, "audioDeviceIOProc");
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@ -274,7 +296,8 @@ static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
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int err;
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int bits = 8;
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int endianess = 0;
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const char *typ = "DAC";
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const char *typ = "playback";
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AudioValueRange frameRange;
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/* create mutex */
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err = pthread_mutex_init(&core->mutex, NULL);
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@ -312,40 +335,65 @@ static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
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return -1;
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}
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/* set Buffersize to conf.buffer_frames frames */
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propertySize = sizeof(core->audioDevicePropertyBufferSize);
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core->audioDevicePropertyBufferSize =
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conf.buffer_frames * sizeof(float) << (as->nchannels == 2);
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/* get minimum and maximum buffer frame sizes */
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propertySize = sizeof(frameRange);
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status = AudioDeviceGetProperty(
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core->outputDeviceID,
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0,
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0,
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kAudioDevicePropertyBufferFrameSizeRange,
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&propertySize,
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&frameRange);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr2 (status, typ,
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"Could not get device buffer frame range\n");
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return -1;
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}
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if (frameRange.mMinimum > conf.buffer_frames) {
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core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum;
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dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum);
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}
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else if (frameRange.mMaximum < conf.buffer_frames) {
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core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum;
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dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum);
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}
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else {
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core->audioDevicePropertyBufferFrameSize = conf.buffer_frames;
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}
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/* set Buffer Frame Size */
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propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
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status = AudioDeviceSetProperty(
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core->outputDeviceID,
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NULL,
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0,
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false,
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kAudioDevicePropertyBufferSize,
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kAudioDevicePropertyBufferFrameSize,
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propertySize,
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&core->audioDevicePropertyBufferSize);
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&core->audioDevicePropertyBufferFrameSize);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr2 (status, typ,
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"Could not set device buffer size %d\n",
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kAudioDevicePropertyBufferSize);
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"Could not set device buffer frame size %ld\n",
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core->audioDevicePropertyBufferFrameSize);
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return -1;
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}
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/* get Buffersize */
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propertySize = sizeof(core->audioDevicePropertyBufferSize);
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/* get Buffer Frame Size */
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propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
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status = AudioDeviceGetProperty(
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core->outputDeviceID,
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0,
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false,
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kAudioDevicePropertyBufferSize,
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kAudioDevicePropertyBufferFrameSize,
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&propertySize,
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&core->audioDevicePropertyBufferSize);
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&core->audioDevicePropertyBufferFrameSize);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr2 (status, typ, "Could not get device buffer size\n");
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coreaudio_logerr2 (status, typ,
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"Could not get device buffer frame size\n");
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return -1;
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}
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hw->samples = (core->audioDevicePropertyBufferSize / sizeof (float))
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>> (as->nchannels == 2);
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hw->samples = 4 * core->audioDevicePropertyBufferFrameSize;
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/* get StreamFormat */
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propertySize = sizeof(core->outputStreamBasicDescription);
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@ -364,7 +412,7 @@ static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
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}
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/* set Samplerate */
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core->outputStreamBasicDescription.mSampleRate = (Float64)as->freq;
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core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
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propertySize = sizeof(core->outputStreamBasicDescription);
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status = AudioDeviceSetProperty(
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core->outputDeviceID,
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@ -390,7 +438,7 @@ static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
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}
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/* start Playback */
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if (!core->isPlaying) {
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if (!isPlaying(core->outputDeviceID)) {
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status = AudioDeviceStart(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr2 (status, typ, "Could not start playback\n");
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@ -398,7 +446,6 @@ static int coreaudio_init_out (HWVoiceOut *hw, audsettings_t *as)
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core->outputDeviceID = kAudioDeviceUnknown;
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return -1;
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}
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core->isPlaying = 1;
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}
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return 0;
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@ -410,19 +457,21 @@ static void coreaudio_fini_out (HWVoiceOut *hw)
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int err;
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
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/* stop playback */
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if (core->isPlaying) {
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status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not stop playback\n");
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if (!conf.isAtexit) {
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/* stop playback */
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if (isPlaying(core->outputDeviceID)) {
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status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not stop playback\n");
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}
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}
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core->isPlaying = 0;
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}
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/* remove callback */
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status = AudioDeviceRemoveIOProc(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not remove IOProc\n");
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/* remove callback */
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status = AudioDeviceRemoveIOProc(core->outputDeviceID,
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audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not remove IOProc\n");
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}
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}
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core->outputDeviceID = kAudioDeviceUnknown;
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@ -441,23 +490,23 @@ static int coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...)
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switch (cmd) {
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case VOICE_ENABLE:
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/* start playback */
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if (!core->isPlaying) {
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if (!isPlaying(core->outputDeviceID)) {
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status = AudioDeviceStart(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not unpause playback\n");
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coreaudio_logerr (status, "Could not resume playback\n");
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}
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core->isPlaying = 1;
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}
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break;
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case VOICE_DISABLE:
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/* stop playback */
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if (core->isPlaying) {
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status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not pause playback\n");
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if (!conf.isAtexit) {
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if (isPlaying(core->outputDeviceID)) {
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status = AudioDeviceStop(core->outputDeviceID, audioDeviceIOProc);
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if (status != kAudioHardwareNoError) {
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coreaudio_logerr (status, "Could not pause playback\n");
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}
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}
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core->isPlaying = 0;
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}
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break;
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}
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@ -466,6 +515,7 @@ static int coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...)
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static void *coreaudio_audio_init (void)
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{
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atexit(coreaudio_atexit);
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return &coreaudio_audio_init;
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}
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