| c732d49e |
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
#include "tinydav/audio/coreaudio/tdav_audiounit.h"
#if HAVE_COREAUDIO_AUDIO_UNIT
#include "tinydav/tdav_apple.h"
#include "tsk_string.h"
#include "tsk_list.h"
#include "tsk_safeobj.h"
#include "tsk_debug.h"
#if TARGET_OS_IPHONE
static UInt32 kOne = 1;
static UInt32 kZero = 0;
#endif /* TARGET_OS_IPHONE */
#if TARGET_OS_IPHONE
#if TARGET_IPHONE_SIMULATOR // VoiceProcessingIO will give unexpected result on the simulator when using iOS 5
#define kDoubangoAudioUnitSubType kAudioUnitSubType_RemoteIO
#else // Echo cancellation, AGC, ...
#define kDoubangoAudioUnitSubType kAudioUnitSubType_VoiceProcessingIO
#endif
#elif TARGET_OS_MAC
#define kDoubangoAudioUnitSubType kAudioUnitSubType_HALOutput
#else
#error "Unknown target"
#endif
#undef kInputBus
#define kInputBus 1
#undef kOutputBus
#define kOutputBus 0
typedef struct tdav_audiounit_instance_s
{
TSK_DECLARE_OBJECT;
uint64_t session_id;
uint32_t frame_duration;
AudioComponentInstance audioUnit;
struct{
unsigned consumer:1;
unsigned producer:1;
} prepared;
unsigned started:1;
unsigned interrupted:1;
TSK_DECLARE_SAFEOBJ;
}
tdav_audiounit_instance_t;
TINYDAV_GEXTERN const tsk_object_def_t *tdav_audiounit_instance_def_t;
typedef tsk_list_t tdav_audiounit_instances_L_t;
static AudioComponent __audioSystem = tsk_null;
static tdav_audiounit_instances_L_t* __audioUnitInstances = tsk_null;
static int _tdav_audiounit_handle_signal_xxx_prepared(tdav_audiounit_handle_t* self, tsk_bool_t consumer)
{
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
if(!inst || !inst->audioUnit){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_safeobj_lock(inst);
if(consumer){
inst->prepared.consumer = tsk_true;
}
else {
inst->prepared.producer = tsk_true;
}
OSStatus status;
// For iOS we are using full-duplex AudioUnit and we wait for both consumer and producer to be prepared
#if TARGET_OS_IPHONE
if(inst->prepared.consumer && inst->prepared.producer)
#endif
{
status = AudioUnitInitialize(inst->audioUnit);
if(status != noErr){
TSK_DEBUG_ERROR("AudioUnitInitialize failed with status =%ld", (signed long)status);
tsk_safeobj_unlock(inst);
return -2;
}
}
tsk_safeobj_unlock(inst);
return 0;
}
tdav_audiounit_handle_t* tdav_audiounit_handle_create(uint64_t session_id)
{
tdav_audiounit_instance_t* inst = tsk_null;
// create audio unit component
if(!__audioSystem){
AudioComponentDescription audioDescription;
audioDescription.componentType = kAudioUnitType_Output;
audioDescription.componentSubType = kDoubangoAudioUnitSubType;
audioDescription.componentManufacturer = kAudioUnitManufacturer_Apple;
audioDescription.componentFlags = 0;
audioDescription.componentFlagsMask = 0;
if((__audioSystem = AudioComponentFindNext(NULL, &audioDescription))){
// leave blank
}
else {
TSK_DEBUG_ERROR("Failed to find new audio component");
goto done;
}
}
// create list used to hold instances
if(!__audioUnitInstances && !(__audioUnitInstances = tsk_list_create())){
TSK_DEBUG_ERROR("Failed to create new list");
goto done;
}
//= lock the list
tsk_list_lock(__audioUnitInstances);
// For iOS we are using full-duplex AudioUnit and to keep it unique for both
// the consumer and producer we use the session id.
#if TARGET_OS_IPHONE
// find the instance from the list
const tsk_list_item_t* item;
tsk_list_foreach(item,__audioUnitInstances){
if(((tdav_audiounit_instance_t*)item->data)->session_id == session_id){
inst = tsk_object_ref(item->data);
goto done;
}
}
#endif
// create instance object and put it into the list
if((inst = tsk_object_new(tdav_audiounit_instance_def_t))){
OSStatus status = noErr;
tdav_audiounit_instance_t* _inst;
// create new instance
if((status= AudioComponentInstanceNew(__audioSystem, &inst->audioUnit)) != noErr){
TSK_DEBUG_ERROR("AudioComponentInstanceNew() failed with status=%ld", (signed long)status);
TSK_OBJECT_SAFE_FREE(inst);
goto done;
}
_inst = inst, _inst->session_id = session_id;
tsk_list_push_back_data(__audioUnitInstances, (void**)&_inst);
}
done:
//= unlock the list
tsk_list_unlock(__audioUnitInstances);
return (tdav_audiounit_handle_t*)inst;
}
AudioComponentInstance tdav_audiounit_handle_get_instance(tdav_audiounit_handle_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return tsk_null;
}
return ((tdav_audiounit_instance_t*)self)->audioUnit;
}
int tdav_audiounit_handle_signal_consumer_prepared(tdav_audiounit_handle_t* self)
{
return _tdav_audiounit_handle_signal_xxx_prepared(self, tsk_true);
}
int tdav_audiounit_handle_signal_producer_prepared(tdav_audiounit_handle_t* self)
{
return _tdav_audiounit_handle_signal_xxx_prepared(self, tsk_false);
}
int tdav_audiounit_handle_start(tdav_audiounit_handle_t* self)
{
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
OSStatus status = noErr;
if(!inst || !inst->audioUnit){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_safeobj_lock(inst);
status = (OSStatus)tdav_apple_enable_audio();
if (status == noErr) {
if ((!inst->started || inst->interrupted) && (status = AudioOutputUnitStart(inst->audioUnit))) {
TSK_DEBUG_ERROR("AudioOutputUnitStart failed with status=%ld", (signed long)status);
}
}
else {
TSK_DEBUG_ERROR("tdav_apple_enable_audio() failed with status=%ld", (signed long)status);
}
inst->started = (status == noErr) ? tsk_true : tsk_false;
if (inst->started) inst->interrupted = 0;
tsk_safeobj_unlock(inst);
return status ? -2 : 0;
}
uint32_t tdav_audiounit_handle_get_frame_duration(tdav_audiounit_handle_t* self)
{
if(self){
return ((tdav_audiounit_instance_t*)self)->frame_duration;
}
return 0;
}
int tdav_audiounit_handle_configure(tdav_audiounit_handle_t* self, tsk_bool_t consumer, uint32_t ptime, AudioStreamBasicDescription* audioFormat)
{
OSStatus status = noErr;
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
if(!inst || !audioFormat){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
#if TARGET_OS_IPHONE
// set preferred buffer size
Float32 preferredBufferSize = ((Float32)ptime / 1000.f); // in seconds
UInt32 size = sizeof(preferredBufferSize);
status = AudioSessionSetProperty(kAudioSessionProperty_PreferredHardwareIOBufferDuration, sizeof(preferredBufferSize), &preferredBufferSize);
if(status != noErr){
TSK_DEBUG_ERROR("AudioSessionSetProperty(kAudioSessionProperty_PreferredHardwareIOBufferDuration) failed with status=%d", (int)status);
TSK_OBJECT_SAFE_FREE(inst);
goto done;
}
status = AudioSessionGetProperty(kAudioSessionProperty_CurrentHardwareIOBufferDuration, &size, &preferredBufferSize);
if(status == noErr){
inst->frame_duration = (preferredBufferSize * 1000);
TSK_DEBUG_INFO("Frame duration=%d", inst->frame_duration);
}
else {
TSK_DEBUG_ERROR("AudioSessionGetProperty(kAudioSessionProperty_CurrentHardwareIOBufferDuration, %f) failed", preferredBufferSize);
}
UInt32 audioCategory = kAudioSessionCategory_PlayAndRecord;
status = AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(audioCategory), &audioCategory);
if(status != noErr){
TSK_DEBUG_ERROR("AudioSessionSetProperty(kAudioSessionProperty_AudioCategory) failed with status code=%d", (int)status);
goto done;
}
#elif TARGET_OS_MAC
#if 1
// set preferred buffer size
UInt32 preferredBufferSize = ((ptime * audioFormat->mSampleRate)/1000); // in bytes
UInt32 size = sizeof(preferredBufferSize);
status = AudioUnitSetProperty(inst->audioUnit, kAudioDevicePropertyBufferFrameSize, kAudioUnitScope_Global, 0, &preferredBufferSize, size);
if(status != noErr){
TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioOutputUnitProperty_SetInputCallback) failed with status=%ld", (signed long)status);
}
status = AudioUnitGetProperty(inst->audioUnit, kAudioDevicePropertyBufferFrameSize, kAudioUnitScope_Global, 0, &preferredBufferSize, &size);
if(status == noErr){
inst->frame_duration = ((preferredBufferSize * 1000)/audioFormat->mSampleRate);
TSK_DEBUG_INFO("Frame duration=%d", inst->frame_duration);
}
else {
TSK_DEBUG_ERROR("AudioUnitGetProperty(kAudioDevicePropertyBufferFrameSize, %lu) failed", (unsigned long)preferredBufferSize);
}
#endif
#endif
done:
return (status == noErr) ? 0 : -2;
}
int tdav_audiounit_handle_mute(tdav_audiounit_handle_t* self, tsk_bool_t mute)
{
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
if(!inst || !inst->audioUnit){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
#if TARGET_OS_IPHONE
OSStatus status = noErr;
status = AudioUnitSetProperty(inst->audioUnit, kAUVoiceIOProperty_MuteOutput,
kAudioUnitScope_Output, kOutputBus, mute ? &kOne : &kZero, mute ? sizeof(kOne) : sizeof(kZero));
return (status == noErr) ? 0 : -2;
#else
return 0;
#endif
}
int tdav_audiounit_handle_interrupt(tdav_audiounit_handle_t* self, tsk_bool_t interrupt)
{
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
if (!inst){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
OSStatus status = noErr;
if (inst->interrupted != interrupt && inst->started) {
if (interrupt) {
status = AudioOutputUnitStop(inst->audioUnit);
if (status != noErr) {
TSK_DEBUG_ERROR("AudioOutputUnitStop failed with status=%ld", (signed long)status);
goto bail;
}
}
else {
#if TARGET_OS_IPHONE
status = (OSStatus)tdav_apple_enable_audio();
if (status != noErr) {
TSK_DEBUG_ERROR("AudioSessionSetActive failed with status=%ld", (signed long)status);
goto bail;
}
#endif
status = AudioOutputUnitStart(inst->audioUnit);
if (status != noErr) {
TSK_DEBUG_ERROR("AudioOutputUnitStart failed with status=%ld", (signed long)status);
goto bail;
}
}
}
inst->interrupted = interrupt ? 1: 0;
bail:
return (status != noErr) ? -2 : 0;
}
int tdav_audiounit_handle_stop(tdav_audiounit_handle_t* self)
{
tdav_audiounit_instance_t* inst = (tdav_audiounit_instance_t*)self;
OSStatus status = noErr;
if(!inst || (inst->started && !inst->audioUnit)){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_safeobj_lock(inst);
if(inst->started && (status = AudioOutputUnitStop(inst->audioUnit))){
TSK_DEBUG_ERROR("AudioOutputUnitStop failed with status=%ld", (signed long)status);
}
inst->started = (status == noErr ? tsk_false : tsk_true);
tsk_safeobj_unlock(inst);
return (status != noErr) ? -2 : 0;
}
int tdav_audiounit_handle_destroy(tdav_audiounit_handle_t** self){
if(!self || !*self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_list_lock(__audioUnitInstances);
if(tsk_object_get_refcount(*self)==1){
tsk_list_remove_item_by_data(__audioUnitInstances, *self);
}
else {
tsk_object_unref(*self);
}
tsk_list_unlock(__audioUnitInstances);
*self = tsk_null;
return 0;
}
//
// Object definition for and AudioUnit instance
//
static tsk_object_t* tdav_audiounit_instance_ctor(tsk_object_t * self, va_list * app)
{
tdav_audiounit_instance_t* inst = self;
if(inst){
tsk_safeobj_init(inst);
}
return self;
}
static tsk_object_t* tdav_audiounit_instance_dtor(tsk_object_t * self)
{
tdav_audiounit_instance_t* inst = self;
if(inst){
tsk_safeobj_lock(inst);
if(inst->audioUnit){
AudioUnitUninitialize(inst->audioUnit);
AudioComponentInstanceDispose(inst->audioUnit);
inst->audioUnit = tsk_null;
}
tsk_safeobj_unlock(inst);
tsk_safeobj_deinit(inst);
TSK_DEBUG_INFO("*** AudioUnit Instance destroyed ***");
}
return self;
}
static int tdav_audiounit_instance_cmp(const tsk_object_t *_ai1, const tsk_object_t *_ai2)
{
return (int)(_ai1 - _ai2);
}
static const tsk_object_def_t tdav_audiounit_instance_def_s =
{
sizeof(tdav_audiounit_instance_t),
tdav_audiounit_instance_ctor,
tdav_audiounit_instance_dtor,
tdav_audiounit_instance_cmp,
};
const tsk_object_def_t *tdav_audiounit_instance_def_t = &tdav_audiounit_instance_def_s;
#endif /* HAVE_COREAUDIO_AUDIO_UNIT */ |