2b9cce8c8c
The bit shifting trick worked because the number of bytes per frame was always a power-of-two (since QEMU only supports mono, stereo and 8, 16 and 32 bit samples). But if we want to add support for surround sound, this no longer holds true. Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Message-id: 1351fd9bcce0ff20d81850c5292722194329de02.1570996490.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
714 lines
22 KiB
C
714 lines
22 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/module.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 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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} 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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#define COREAUDIO_WRAPPER_FUNC(name, ret_type, args_decl, args) \
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static ret_type glue(coreaudio_, name)args_decl \
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{ \
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; \
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ret_type ret; \
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\
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if (coreaudio_lock(core, "coreaudio_" #name)) { \
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return 0; \
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} \
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\
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ret = glue(audio_generic_, name)args; \
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\
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coreaudio_unlock(core, "coreaudio_" #name); \
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return ret; \
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}
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COREAUDIO_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size),
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(hw, size))
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COREAUDIO_WRAPPER_FUNC(put_buffer_out_nowrite, size_t,
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(HWVoiceOut *hw, void *buf, size_t size),
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(hw, buf, size))
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COREAUDIO_WRAPPER_FUNC(write, size_t, (HWVoiceOut *hw, void *buf, size_t size),
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(hw, buf, size))
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#undef COREAUDIO_WRAPPER_FUNC
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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 frameCount, pending_frames;
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void *out = outOutputData->mBuffers[0].mData;
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HWVoiceOut *hw = hwptr;
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coreaudioVoiceOut *core = (coreaudioVoiceOut *) hwptr;
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size_t len;
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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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pending_frames = hw->pending_emul / hw->info.bytes_per_frame;
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/* if there are not enough samples, set signal and return */
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if (pending_frames < 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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len = frameCount * hw->info.bytes_per_frame;
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while (len) {
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size_t write_len;
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ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul;
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if (start < 0) {
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start += hw->size_emul;
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}
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assert(start >= 0 && start < hw->size_emul);
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write_len = MIN(MIN(hw->pending_emul, len),
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hw->size_emul - start);
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memcpy(out, hw->buf_emul + start, write_len);
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hw->pending_emul -= write_len;
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len -= write_len;
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out += write_len;
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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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static UInt32 coreaudio_get_flags(struct audio_pcm_info *info,
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struct audsettings *as)
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{
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UInt32 flags = info->sign ? kAudioFormatFlagIsSignedInteger : 0;
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if (as->endianness) { /* 0 = little, 1 = big */
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flags |= kAudioFormatFlagIsBigEndian;
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}
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if (flags == 0) { /* must not be 0 */
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flags = kAudioFormatFlagsAreAllClear;
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}
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return flags;
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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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Audiodev *dev = drv_opaque;
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AudiodevCoreaudioPerDirectionOptions *cpdo = dev->u.coreaudio.out;
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int frames;
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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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audio_pcm_init_info (&hw->info, as);
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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");
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return -1;
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}
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if (core->outputDeviceID == kAudioDeviceUnknown) {
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dolog ("Could not initialize %s - Unknown Audiodevice\n", typ);
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return -1;
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}
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/* get minimum and maximum buffer frame sizes */
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status = coreaudio_get_framesizerange(core->outputDeviceID,
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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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frames = audio_buffer_frames(
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qapi_AudiodevCoreaudioPerDirectionOptions_base(cpdo), as, 11610);
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if (frameRange.mMinimum > 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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} else if (frameRange.mMaximum < 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 = frames;
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}
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/* set Buffer Frame Size */
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status = coreaudio_set_framesize(core->outputDeviceID,
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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 frame size %" PRIu32 "\n",
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(uint32_t)core->audioDevicePropertyBufferFrameSize);
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return -1;
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}
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/* get Buffer Frame Size */
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status = coreaudio_get_framesize(core->outputDeviceID,
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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 get device buffer frame size\n");
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return -1;
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}
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hw->samples = (cpdo->has_buffer_count ? cpdo->buffer_count : 4) *
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core->audioDevicePropertyBufferFrameSize;
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/* 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;
|
|
core->outputStreamBasicDescription.mFormatID = kAudioFormatLinearPCM;
|
|
core->outputStreamBasicDescription.mFormatFlags =
|
|
coreaudio_get_flags(&hw->info, as);
|
|
core->outputStreamBasicDescription.mBytesPerPacket =
|
|
core->outputStreamBasicDescription.mBytesPerFrame =
|
|
hw->info.nchannels * hw->info.bits / 8;
|
|
core->outputStreamBasicDescription.mFramesPerPacket = 1;
|
|
core->outputStreamBasicDescription.mChannelsPerFrame = hw->info.nchannels;
|
|
core->outputStreamBasicDescription.mBitsPerChannel = hw->info.bits;
|
|
|
|
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 void coreaudio_enable_out(HWVoiceOut *hw, bool enable)
|
|
{
|
|
OSStatus status;
|
|
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
|
|
|
|
if (enable) {
|
|
/* start playback */
|
|
if (!isPlaying(core->outputDeviceID)) {
|
|
status = AudioDeviceStart(core->outputDeviceID, core->ioprocid);
|
|
if (status != kAudioHardwareNoError) {
|
|
coreaudio_logerr (status, "Could not resume playback\n");
|
|
}
|
|
}
|
|
} else {
|
|
/* 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");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void *coreaudio_audio_init(Audiodev *dev)
|
|
{
|
|
return dev;
|
|
}
|
|
|
|
static void coreaudio_audio_fini (void *opaque)
|
|
{
|
|
}
|
|
|
|
static struct audio_pcm_ops coreaudio_pcm_ops = {
|
|
.init_out = coreaudio_init_out,
|
|
.fini_out = coreaudio_fini_out,
|
|
.write = coreaudio_write,
|
|
.get_buffer_out = coreaudio_get_buffer_out,
|
|
.put_buffer_out = coreaudio_put_buffer_out_nowrite,
|
|
.enable_out = coreaudio_enable_out
|
|
};
|
|
|
|
static struct audio_driver coreaudio_audio_driver = {
|
|
.name = "coreaudio",
|
|
.descr = "CoreAudio http://developer.apple.com/audio/coreaudio.html",
|
|
.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
|
|
};
|
|
|
|
static void register_audio_coreaudio(void)
|
|
{
|
|
audio_driver_register(&coreaudio_audio_driver);
|
|
}
|
|
type_init(register_audio_coreaudio);
|