738 lines
21 KiB
C
738 lines
21 KiB
C
/*
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* QEMU OS X CoreAudio audio driver
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*
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* Copyright (c) 2005 Mike Kronenberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include <CoreAudio/CoreAudio.h>
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#include <pthread.h> /* pthread_X */
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#include "qemu-common.h"
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#include "audio.h"
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#define AUDIO_CAP "coreaudio"
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#include "audio_int.h"
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#ifndef MAC_OS_X_VERSION_10_6
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#define MAC_OS_X_VERSION_10_6 1060
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#endif
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typedef struct {
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int buffer_frames;
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int nbuffers;
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} CoreaudioConf;
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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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AudioDeviceID outputDeviceID;
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UInt32 audioDevicePropertyBufferFrameSize;
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AudioStreamBasicDescription outputStreamBasicDescription;
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AudioDeviceIOProcID ioprocid;
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int live;
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int decr;
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int rpos;
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} coreaudioVoiceOut;
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
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/* The APIs used here only become available from 10.6 */
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static OSStatus coreaudio_get_voice(AudioDeviceID *id)
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{
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UInt32 size = sizeof(*id);
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AudioObjectPropertyAddress addr = {
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kAudioHardwarePropertyDefaultOutputDevice,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectGetPropertyData(kAudioObjectSystemObject,
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&addr,
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0,
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NULL,
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&size,
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id);
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}
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static OSStatus coreaudio_get_framesizerange(AudioDeviceID id,
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AudioValueRange *framerange)
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{
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UInt32 size = sizeof(*framerange);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyBufferFrameSizeRange,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectGetPropertyData(id,
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&addr,
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0,
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NULL,
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&size,
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framerange);
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}
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static OSStatus coreaudio_get_framesize(AudioDeviceID id, UInt32 *framesize)
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{
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UInt32 size = sizeof(*framesize);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyBufferFrameSize,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectGetPropertyData(id,
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&addr,
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0,
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NULL,
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&size,
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framesize);
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}
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static OSStatus coreaudio_set_framesize(AudioDeviceID id, UInt32 *framesize)
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{
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UInt32 size = sizeof(*framesize);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyBufferFrameSize,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectSetPropertyData(id,
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&addr,
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0,
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NULL,
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size,
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framesize);
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}
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static OSStatus coreaudio_get_streamformat(AudioDeviceID id,
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AudioStreamBasicDescription *d)
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{
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UInt32 size = sizeof(*d);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyStreamFormat,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectGetPropertyData(id,
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&addr,
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0,
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NULL,
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&size,
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d);
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}
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static OSStatus coreaudio_set_streamformat(AudioDeviceID id,
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AudioStreamBasicDescription *d)
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{
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UInt32 size = sizeof(*d);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyStreamFormat,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectSetPropertyData(id,
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&addr,
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0,
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NULL,
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size,
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d);
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}
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static OSStatus coreaudio_get_isrunning(AudioDeviceID id, UInt32 *result)
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{
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UInt32 size = sizeof(*result);
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyDeviceIsRunning,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectGetPropertyData(id,
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&addr,
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0,
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NULL,
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&size,
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result);
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}
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#else
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/* Legacy versions of functions using deprecated APIs */
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static OSStatus coreaudio_get_voice(AudioDeviceID *id)
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{
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UInt32 size = sizeof(*id);
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return AudioHardwareGetProperty(
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kAudioHardwarePropertyDefaultOutputDevice,
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&size,
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id);
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}
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static OSStatus coreaudio_get_framesizerange(AudioDeviceID id,
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AudioValueRange *framerange)
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{
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UInt32 size = sizeof(*framerange);
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return AudioDeviceGetProperty(
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id,
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0,
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0,
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kAudioDevicePropertyBufferFrameSizeRange,
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&size,
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framerange);
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}
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static OSStatus coreaudio_get_framesize(AudioDeviceID id, UInt32 *framesize)
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{
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UInt32 size = sizeof(*framesize);
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return AudioDeviceGetProperty(
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id,
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0,
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false,
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kAudioDevicePropertyBufferFrameSize,
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&size,
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framesize);
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}
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static OSStatus coreaudio_set_framesize(AudioDeviceID id, UInt32 *framesize)
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{
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UInt32 size = sizeof(*framesize);
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return AudioDeviceSetProperty(
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id,
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NULL,
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0,
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false,
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kAudioDevicePropertyBufferFrameSize,
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size,
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framesize);
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}
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static OSStatus coreaudio_get_streamformat(AudioDeviceID id,
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AudioStreamBasicDescription *d)
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{
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UInt32 size = sizeof(*d);
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return AudioDeviceGetProperty(
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id,
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0,
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false,
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kAudioDevicePropertyStreamFormat,
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&size,
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d);
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}
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static OSStatus coreaudio_set_streamformat(AudioDeviceID id,
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AudioStreamBasicDescription *d)
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{
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UInt32 size = sizeof(*d);
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return AudioDeviceSetProperty(
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id,
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0,
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0,
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0,
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kAudioDevicePropertyStreamFormat,
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size,
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d);
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}
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static OSStatus coreaudio_get_isrunning(AudioDeviceID id, UInt32 *result)
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{
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UInt32 size = sizeof(*result);
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return AudioDeviceGetProperty(
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id,
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0,
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0,
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kAudioDevicePropertyDeviceIsRunning,
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&size,
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result);
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}
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#endif
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static void coreaudio_logstatus (OSStatus status)
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{
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const char *str = "BUG";
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switch(status) {
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case kAudioHardwareNoError:
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str = "kAudioHardwareNoError";
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break;
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case kAudioHardwareNotRunningError:
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str = "kAudioHardwareNotRunningError";
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break;
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case kAudioHardwareUnspecifiedError:
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str = "kAudioHardwareUnspecifiedError";
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break;
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case kAudioHardwareUnknownPropertyError:
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str = "kAudioHardwareUnknownPropertyError";
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break;
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case kAudioHardwareBadPropertySizeError:
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str = "kAudioHardwareBadPropertySizeError";
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break;
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case kAudioHardwareIllegalOperationError:
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str = "kAudioHardwareIllegalOperationError";
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break;
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case kAudioHardwareBadDeviceError:
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str = "kAudioHardwareBadDeviceError";
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break;
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case kAudioHardwareBadStreamError:
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str = "kAudioHardwareBadStreamError";
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break;
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case kAudioHardwareUnsupportedOperationError:
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str = "kAudioHardwareUnsupportedOperationError";
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break;
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case kAudioDeviceUnsupportedFormatError:
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str = "kAudioDeviceUnsupportedFormatError";
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break;
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case kAudioDevicePermissionsError:
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str = "kAudioDevicePermissionsError";
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break;
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default:
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AUD_log (AUDIO_CAP, "Reason: status code %" PRId32 "\n", (int32_t)status);
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return;
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}
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AUD_log (AUDIO_CAP, "Reason: %s\n", str);
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}
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static void GCC_FMT_ATTR (2, 3) coreaudio_logerr (
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OSStatus status,
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const char *fmt,
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...
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)
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{
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va_list ap;
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va_start (ap, fmt);
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AUD_log (AUDIO_CAP, fmt, ap);
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va_end (ap);
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coreaudio_logstatus (status);
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}
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static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 (
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OSStatus status,
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const char *typ,
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const char *fmt,
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...
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)
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{
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va_list ap;
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AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
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va_start (ap, fmt);
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AUD_vlog (AUDIO_CAP, fmt, ap);
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va_end (ap);
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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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status = coreaudio_get_isrunning(outputDeviceID, &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 int coreaudio_lock (coreaudioVoiceOut *core, const char *fn_name)
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{
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int err;
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err = pthread_mutex_lock (&core->mutex);
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if (err) {
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dolog ("Could not lock voice for %s\nReason: %s\n",
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fn_name, strerror (err));
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return -1;
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}
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return 0;
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}
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static int coreaudio_unlock (coreaudioVoiceOut *core, const char *fn_name)
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{
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int err;
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err = pthread_mutex_unlock (&core->mutex);
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if (err) {
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dolog ("Could not unlock voice for %s\nReason: %s\n",
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fn_name, strerror (err));
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return -1;
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}
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return 0;
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}
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static int coreaudio_run_out (HWVoiceOut *hw, int live)
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{
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int decr;
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
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if (coreaudio_lock (core, "coreaudio_run_out")) {
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return 0;
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}
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if (core->decr > live) {
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ldebug ("core->decr %d live %d core->live %d\n",
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core->decr,
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live,
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core->live);
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}
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decr = audio_MIN (core->decr, live);
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core->decr -= decr;
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core->live = live - decr;
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hw->rpos = core->rpos;
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coreaudio_unlock (core, "coreaudio_run_out");
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return decr;
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}
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/* callback to feed audiooutput buffer */
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static OSStatus audioDeviceIOProc(
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AudioDeviceID inDevice,
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const AudioTimeStamp* inNow,
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const AudioBufferList* inInputData,
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const AudioTimeStamp* inInputTime,
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AudioBufferList* outOutputData,
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const AudioTimeStamp* inOutputTime,
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void* hwptr)
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{
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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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int rpos, live;
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struct st_sample *src;
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#ifndef FLOAT_MIXENG
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#ifdef RECIPROCAL
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const float scale = 1.f / UINT_MAX;
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#else
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const float scale = UINT_MAX;
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#endif
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#endif
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if (coreaudio_lock (core, "audioDeviceIOProc")) {
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inInputTime = 0;
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return 0;
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}
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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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if (live < frameCount) {
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inInputTime = 0;
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coreaudio_unlock (core, "audioDeviceIOProc(empty)");
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return 0;
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}
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rpos = core->rpos;
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src = hw->mix_buf + rpos;
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/* fill buffer */
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for (frame = 0; frame < frameCount; frame++) {
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#ifdef FLOAT_MIXENG
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*out++ = src[frame].l; /* left channel */
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*out++ = src[frame].r; /* right channel */
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#else
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#ifdef RECIPROCAL
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*out++ = src[frame].l * scale; /* left channel */
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*out++ = src[frame].r * scale; /* right channel */
|
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#else
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*out++ = src[frame].l / scale; /* left channel */
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*out++ = src[frame].r / scale; /* right channel */
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#endif
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#endif
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}
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rpos = (rpos + frameCount) % hw->samples;
|
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core->decr += frameCount;
|
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core->rpos = rpos;
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|
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coreaudio_unlock (core, "audioDeviceIOProc");
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return 0;
|
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}
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|
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static int coreaudio_write (SWVoiceOut *sw, void *buf, int len)
|
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{
|
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return audio_pcm_sw_write (sw, buf, len);
|
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}
|
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|
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static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
|
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void *drv_opaque)
|
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{
|
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OSStatus status;
|
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
|
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int err;
|
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const char *typ = "playback";
|
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AudioValueRange frameRange;
|
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CoreaudioConf *conf = drv_opaque;
|
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|
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/* create mutex */
|
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err = pthread_mutex_init(&core->mutex, NULL);
|
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if (err) {
|
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dolog("Could not create mutex\nReason: %s\n", strerror (err));
|
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return -1;
|
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}
|
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|
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audio_pcm_init_info (&hw->info, as);
|
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|
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status = coreaudio_get_voice(&core->outputDeviceID);
|
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if (status != kAudioHardwareNoError) {
|
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coreaudio_logerr2 (status, typ,
|
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"Could not get default output Device\n");
|
|
return -1;
|
|
}
|
|
if (core->outputDeviceID == kAudioDeviceUnknown) {
|
|
dolog ("Could not initialize %s - Unknown Audiodevice\n", typ);
|
|
return -1;
|
|
}
|
|
|
|
/* get minimum and maximum buffer frame sizes */
|
|
status = coreaudio_get_framesizerange(core->outputDeviceID,
|
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&frameRange);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ,
|
|
"Could not get device buffer frame range\n");
|
|
return -1;
|
|
}
|
|
|
|
if (frameRange.mMinimum > conf->buffer_frames) {
|
|
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum;
|
|
dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum);
|
|
}
|
|
else if (frameRange.mMaximum < conf->buffer_frames) {
|
|
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum;
|
|
dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum);
|
|
}
|
|
else {
|
|
core->audioDevicePropertyBufferFrameSize = conf->buffer_frames;
|
|
}
|
|
|
|
/* set Buffer Frame Size */
|
|
status = coreaudio_set_framesize(core->outputDeviceID,
|
|
&core->audioDevicePropertyBufferFrameSize);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ,
|
|
"Could not set device buffer frame size %" PRIu32 "\n",
|
|
(uint32_t)core->audioDevicePropertyBufferFrameSize);
|
|
return -1;
|
|
}
|
|
|
|
/* get Buffer Frame Size */
|
|
status = coreaudio_get_framesize(core->outputDeviceID,
|
|
&core->audioDevicePropertyBufferFrameSize);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ,
|
|
"Could not get device buffer frame size\n");
|
|
return -1;
|
|
}
|
|
hw->samples = conf->nbuffers * core->audioDevicePropertyBufferFrameSize;
|
|
|
|
/* get StreamFormat */
|
|
status = coreaudio_get_streamformat(core->outputDeviceID,
|
|
&core->outputStreamBasicDescription);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ,
|
|
"Could not get Device Stream properties\n");
|
|
core->outputDeviceID = kAudioDeviceUnknown;
|
|
return -1;
|
|
}
|
|
|
|
/* set Samplerate */
|
|
core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
|
|
status = coreaudio_set_streamformat(core->outputDeviceID,
|
|
&core->outputStreamBasicDescription);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n",
|
|
as->freq);
|
|
core->outputDeviceID = kAudioDeviceUnknown;
|
|
return -1;
|
|
}
|
|
|
|
/* set Callback */
|
|
core->ioprocid = NULL;
|
|
status = AudioDeviceCreateIOProcID(core->outputDeviceID,
|
|
audioDeviceIOProc,
|
|
hw,
|
|
&core->ioprocid);
|
|
if (status != kAudioHardwareNoError || core->ioprocid == NULL) {
|
|
coreaudio_logerr2 (status, typ, "Could not set IOProc\n");
|
|
core->outputDeviceID = kAudioDeviceUnknown;
|
|
return -1;
|
|
}
|
|
|
|
/* start Playback */
|
|
if (!isPlaying(core->outputDeviceID)) {
|
|
status = AudioDeviceStart(core->outputDeviceID, core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr2 (status, typ, "Could not start playback\n");
|
|
AudioDeviceDestroyIOProcID(core->outputDeviceID, core->ioprocid);
|
|
core->outputDeviceID = kAudioDeviceUnknown;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void coreaudio_fini_out (HWVoiceOut *hw)
|
|
{
|
|
OSStatus status;
|
|
int err;
|
|
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
|
|
|
|
if (!audio_is_cleaning_up()) {
|
|
/* stop playback */
|
|
if (isPlaying(core->outputDeviceID)) {
|
|
status = AudioDeviceStop(core->outputDeviceID, core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr (status, "Could not stop playback\n");
|
|
}
|
|
}
|
|
|
|
/* remove callback */
|
|
status = AudioDeviceDestroyIOProcID(core->outputDeviceID,
|
|
core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr (status, "Could not remove IOProc\n");
|
|
}
|
|
}
|
|
core->outputDeviceID = kAudioDeviceUnknown;
|
|
|
|
/* destroy mutex */
|
|
err = pthread_mutex_destroy(&core->mutex);
|
|
if (err) {
|
|
dolog("Could not destroy mutex\nReason: %s\n", strerror (err));
|
|
}
|
|
}
|
|
|
|
static int coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...)
|
|
{
|
|
OSStatus status;
|
|
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
|
|
|
|
switch (cmd) {
|
|
case VOICE_ENABLE:
|
|
/* start playback */
|
|
if (!isPlaying(core->outputDeviceID)) {
|
|
status = AudioDeviceStart(core->outputDeviceID, core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr (status, "Could not resume playback\n");
|
|
}
|
|
}
|
|
break;
|
|
|
|
case VOICE_DISABLE:
|
|
/* stop playback */
|
|
if (!audio_is_cleaning_up()) {
|
|
if (isPlaying(core->outputDeviceID)) {
|
|
status = AudioDeviceStop(core->outputDeviceID,
|
|
core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr (status, "Could not pause playback\n");
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static CoreaudioConf glob_conf = {
|
|
.buffer_frames = 512,
|
|
.nbuffers = 4,
|
|
};
|
|
|
|
static void *coreaudio_audio_init (void)
|
|
{
|
|
CoreaudioConf *conf = g_malloc(sizeof(CoreaudioConf));
|
|
*conf = glob_conf;
|
|
|
|
return conf;
|
|
}
|
|
|
|
static void coreaudio_audio_fini (void *opaque)
|
|
{
|
|
g_free(opaque);
|
|
}
|
|
|
|
static struct audio_option coreaudio_options[] = {
|
|
{
|
|
.name = "BUFFER_SIZE",
|
|
.tag = AUD_OPT_INT,
|
|
.valp = &glob_conf.buffer_frames,
|
|
.descr = "Size of the buffer in frames"
|
|
},
|
|
{
|
|
.name = "BUFFER_COUNT",
|
|
.tag = AUD_OPT_INT,
|
|
.valp = &glob_conf.nbuffers,
|
|
.descr = "Number of buffers"
|
|
},
|
|
{ /* End of list */ }
|
|
};
|
|
|
|
static struct audio_pcm_ops coreaudio_pcm_ops = {
|
|
.init_out = coreaudio_init_out,
|
|
.fini_out = coreaudio_fini_out,
|
|
.run_out = coreaudio_run_out,
|
|
.write = coreaudio_write,
|
|
.ctl_out = coreaudio_ctl_out
|
|
};
|
|
|
|
struct audio_driver coreaudio_audio_driver = {
|
|
.name = "coreaudio",
|
|
.descr = "CoreAudio http://developer.apple.com/audio/coreaudio.html",
|
|
.options = coreaudio_options,
|
|
.init = coreaudio_audio_init,
|
|
.fini = coreaudio_audio_fini,
|
|
.pcm_ops = &coreaudio_pcm_ops,
|
|
.can_be_default = 1,
|
|
.max_voices_out = 1,
|
|
.max_voices_in = 0,
|
|
.voice_size_out = sizeof (coreaudioVoiceOut),
|
|
.voice_size_in = 0
|
|
};
|