@@ -87,6 +87,89 @@ static OSStatus coreaudio_get_voice(AudioDeviceID *id)
}
#endif
+static OSStatus coreaudio_get_framesizerange(AudioDeviceID id,
+ AudioValueRange *framerange)
+{
+ UInt32 size = sizeof(*framerange);
+
+ return AudioDeviceGetProperty(
+ id,
+ 0,
+ 0,
+ kAudioDevicePropertyBufferFrameSizeRange,
+ &size,
+ framerange);
+}
+
+static OSStatus coreaudio_get_framesize(AudioDeviceID id, UInt32 *framesize)
+{
+ UInt32 size = sizeof(*framesize);
+
+ return AudioDeviceGetProperty(
+ id,
+ 0,
+ false,
+ kAudioDevicePropertyBufferFrameSize,
+ &size,
+ framesize);
+}
+
+static OSStatus coreaudio_set_framesize(AudioDeviceID id, UInt32 *framesize)
+{
+ UInt32 size = sizeof(*framesize);
+
+ return AudioDeviceSetProperty(
+ id,
+ NULL,
+ 0,
+ false,
+ kAudioDevicePropertyBufferFrameSize,
+ size,
+ framesize);
+}
+
+static OSStatus coreaudio_get_streamformat(AudioDeviceID id,
+ AudioStreamBasicDescription *d)
+{
+ UInt32 size = sizeof(*d);
+
+ return AudioDeviceGetProperty(
+ id,
+ 0,
+ false,
+ kAudioDevicePropertyStreamFormat,
+ &size,
+ d);
+}
+
+static OSStatus coreaudio_set_streamformat(AudioDeviceID id,
+ AudioStreamBasicDescription *d)
+{
+ UInt32 size = sizeof(*d);
+
+ return AudioDeviceSetProperty(
+ id,
+ 0,
+ 0,
+ 0,
+ kAudioDevicePropertyStreamFormat,
+ size,
+ d);
+}
+
+static OSStatus coreaudio_get_isrunning(AudioDeviceID id, UInt32 *result)
+{
+ UInt32 size = sizeof(*result);
+
+ return AudioDeviceGetProperty(
+ id,
+ 0,
+ 0,
+ kAudioDevicePropertyDeviceIsRunning,
+ &size,
+ result);
+}
+
static void coreaudio_logstatus (OSStatus status)
{
const char *str = "BUG";
@@ -181,10 +264,7 @@ static inline UInt32 isPlaying (AudioDeviceID outputDeviceID)
{
OSStatus status;
UInt32 result = 0;
- UInt32 propertySize = sizeof(outputDeviceID);
- status = AudioDeviceGetProperty(
- outputDeviceID, 0, 0,
- kAudioDevicePropertyDeviceIsRunning, &propertySize, &result);
+ status = coreaudio_get_isrunning(outputDeviceID, &result);
if (status != kAudioHardwareNoError) {
coreaudio_logerr(status,
"Could not determine whether Device is playing\n");
@@ -325,7 +405,6 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
{
OSStatus status;
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
- UInt32 propertySize;
int err;
const char *typ = "playback";
AudioValueRange frameRange;
@@ -352,14 +431,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
}
/* get minimum and maximum buffer frame sizes */
- propertySize = sizeof(frameRange);
- status = AudioDeviceGetProperty(
- core->outputDeviceID,
- 0,
- 0,
- kAudioDevicePropertyBufferFrameSizeRange,
- &propertySize,
- &frameRange);
+ status = coreaudio_get_framesizerange(core->outputDeviceID,
+ &frameRange);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get device buffer frame range\n");
@@ -379,15 +452,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
}
/* set Buffer Frame Size */
- propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
- status = AudioDeviceSetProperty(
- core->outputDeviceID,
- NULL,
- 0,
- false,
- kAudioDevicePropertyBufferFrameSize,
- propertySize,
- &core->audioDevicePropertyBufferFrameSize);
+ status = coreaudio_set_framesize(core->outputDeviceID,
+ &core->audioDevicePropertyBufferFrameSize);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not set device buffer frame size %" PRIu32 "\n",
@@ -396,14 +462,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
}
/* get Buffer Frame Size */
- propertySize = sizeof(core->audioDevicePropertyBufferFrameSize);
- status = AudioDeviceGetProperty(
- core->outputDeviceID,
- 0,
- false,
- kAudioDevicePropertyBufferFrameSize,
- &propertySize,
- &core->audioDevicePropertyBufferFrameSize);
+ status = coreaudio_get_framesize(core->outputDeviceID,
+ &core->audioDevicePropertyBufferFrameSize);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get device buffer frame size\n");
@@ -412,14 +472,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
hw->samples = conf->nbuffers * core->audioDevicePropertyBufferFrameSize;
/* get StreamFormat */
- propertySize = sizeof(core->outputStreamBasicDescription);
- status = AudioDeviceGetProperty(
- core->outputDeviceID,
- 0,
- false,
- kAudioDevicePropertyStreamFormat,
- &propertySize,
- &core->outputStreamBasicDescription);
+ status = coreaudio_get_streamformat(core->outputDeviceID,
+ &core->outputStreamBasicDescription);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ,
"Could not get Device Stream properties\n");
@@ -429,15 +483,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
/* set Samplerate */
core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
- propertySize = sizeof(core->outputStreamBasicDescription);
- status = AudioDeviceSetProperty(
- core->outputDeviceID,
- 0,
- 0,
- 0,
- kAudioDevicePropertyStreamFormat,
- propertySize,
- &core->outputStreamBasicDescription);
+ status = coreaudio_set_streamformat(core->outputDeviceID,
+ &core->outputStreamBasicDescription);
if (status != kAudioHardwareNoError) {
coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n",
as->freq);