diff options
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/coreaudio.c | 141 |
1 files changed, 94 insertions, 47 deletions
diff --git a/audio/coreaudio.c b/audio/coreaudio.c index 2211e17998..c7e31eac0f 100644 --- a/audio/coreaudio.c +++ b/audio/coreaudio.c @@ -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); |