485 lines
18 KiB
C
Executable File
485 lines
18 KiB
C
Executable File
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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#include "tinydav/audio/coreaudio/tdav_consumer_audiounit.h"
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// http://developer.apple.com/library/ios/#documentation/MusicAudio/Conceptual/AudioUnitHostingGuide_iOS/Introduction/Introduction.html%23//apple_ref/doc/uid/TP40009492-CH1-SW1
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// Resampler: http://developer.apple.com/library/mac/#technotes/tn2097/_index.html
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#if HAVE_COREAUDIO_AUDIO_UNIT
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#undef DISABLE_JITTER_BUFFER
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#define DISABLE_JITTER_BUFFER 0
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#include "tsk_debug.h"
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#include "tsk_memory.h"
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#include "tsk_string.h"
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#define kNoDataError -1
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#define kRingPacketCount +10
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static tsk_size_t tdav_consumer_audiounit_get(tdav_consumer_audiounit_t* self, void* data, tsk_size_t size);
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static int tdav_consumer_audiounit_pause(tmedia_consumer_t* self);
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static int tdav_consumer_audiounit_resume(tmedia_consumer_t* self);
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static OSStatus __handle_output_buffer(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberFrames,
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AudioBufferList *ioData)
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{
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OSStatus status = noErr;
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// tsk_size_t out_size;
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t* )inRefCon;
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if(!consumer->started || consumer->paused) {
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goto done;
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}
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if(!ioData) {
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TSK_DEBUG_ERROR("Invalid argument");
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status = kNoDataError;
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goto done;
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}
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// read from jitter buffer and fill ioData buffers
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tsk_mutex_lock(consumer->ring.mutex);
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for(int i=0; i<ioData->mNumberBuffers; i++) {
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/* int ret = */ tdav_consumer_audiounit_get(consumer, ioData->mBuffers[i].mData, ioData->mBuffers[i].mDataByteSize);
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}
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tsk_mutex_unlock(consumer->ring.mutex);
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done:
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return status;
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}
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static tsk_size_t tdav_consumer_audiounit_get(tdav_consumer_audiounit_t* self, void* data, tsk_size_t size)
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{
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tsk_ssize_t retSize = 0;
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#if DISABLE_JITTER_BUFFER
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retSize = speex_buffer_read(self->ring.buffer, data, size);
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if(retSize < size) {
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memset(((uint8_t*)data)+retSize, 0, (size - retSize));
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}
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#else
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self->ring.leftBytes += size;
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while (self->ring.leftBytes >= self->ring.chunck.size) {
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self->ring.leftBytes -= self->ring.chunck.size;
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retSize = (tsk_ssize_t)tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(self), self->ring.chunck.buffer, self->ring.chunck.size);
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tdav_consumer_audio_tick(TDAV_CONSUMER_AUDIO(self));
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speex_buffer_write(self->ring.buffer, self->ring.chunck.buffer, retSize);
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}
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// IMPORTANT: looks like there is a bug in speex: continously trying to read more than avail
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// many times can corrupt the buffer. At least on OS X 1.5
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if(speex_buffer_get_available(self->ring.buffer) >= size) {
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retSize = (tsk_ssize_t)speex_buffer_read(self->ring.buffer, data, (int)size);
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}
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else {
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memset(data, 0, size);
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}
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#endif
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return retSize;
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}
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/* ============ Media Consumer Interface ================= */
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int tdav_consumer_audiounit_set(tmedia_consumer_t* self, const tmedia_param_t* param)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if (param->plugin_type == tmedia_ppt_consumer) {
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if (param->value_type == tmedia_pvt_int32) {
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if (tsk_striequals(param->key, "interrupt")) {
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int32_t interrupt = *((uint8_t*)param->value) ? 1 : 0;
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return tdav_audiounit_handle_interrupt(consumer->audioUnitHandle, interrupt);
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}
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else if (tsk_striequals(param->key, "pause") || tsk_striequals(param->key, "hold")) {
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int32_t pause = *((uint8_t*)param->value) ? 1 : 0;
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return pause ? tdav_consumer_audiounit_pause(self) : tdav_consumer_audiounit_resume(self);
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}
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}
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}
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return tdav_consumer_audio_set(TDAV_CONSUMER_AUDIO(self), param);
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}
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static int tdav_consumer_audiounit_prepare(tmedia_consumer_t* self, const tmedia_codec_t* codec)
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{
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static UInt32 flagOne = 1;
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AudioStreamBasicDescription audioFormat;
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#define kOutputBus 0
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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OSStatus status = noErr;
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if(!consumer || !codec || !codec->plugin) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(!consumer->audioUnitHandle) {
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if(!(consumer->audioUnitHandle = tdav_audiounit_handle_create(TMEDIA_CONSUMER(consumer)->session_id))) {
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TSK_DEBUG_ERROR("Failed to get audio unit instance for session with id=%lld", TMEDIA_CONSUMER(consumer)->session_id);
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return -3;
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}
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}
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// enable
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status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle),
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kAudioOutputUnitProperty_EnableIO,
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kAudioUnitScope_Output,
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kOutputBus,
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&flagOne,
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sizeof(flagOne));
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if(status) {
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TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioOutputUnitProperty_EnableIO) failed with status=%d", (int32_t)status);
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return -4;
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}
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else {
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#if !TARGET_OS_IPHONE // strange: TARGET_OS_MAC is equal to '1' on Smulator
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UInt32 param;
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// disable input
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param = 0;
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status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle), kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, ¶m, sizeof(UInt32));
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if(status != noErr) {
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TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioOutputUnitProperty_EnableIO) failed with status=%ld", (signed long)status);
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return -4;
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}
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// set default audio device
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param = sizeof(AudioDeviceID);
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AudioDeviceID outputDeviceID;
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status = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, ¶m, &outputDeviceID);
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if(status != noErr) {
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TSK_DEBUG_ERROR("AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice) failed with status=%ld", (signed long)status);
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return -4;
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}
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// set the current device to the default input unit
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status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle),
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kAudioOutputUnitProperty_CurrentDevice,
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kAudioUnitScope_Global,
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0,
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&outputDeviceID,
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sizeof(AudioDeviceID));
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if(status != noErr) {
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TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioOutputUnitProperty_CurrentDevice) failed with status=%ld", (signed long)status);
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return -4;
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}
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#endif
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TMEDIA_CONSUMER(consumer)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_DECODING(codec);
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TMEDIA_CONSUMER(consumer)->audio.in.channels = TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(codec);
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TMEDIA_CONSUMER(consumer)->audio.in.rate = TMEDIA_CODEC_RATE_DECODING(codec);
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TSK_DEBUG_INFO("AudioUnit consumer: in.channels=%d, out.channles=%d, in.rate=%d, out.rate=%d, ptime=%d",
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TMEDIA_CONSUMER(consumer)->audio.in.channels,
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TMEDIA_CONSUMER(consumer)->audio.out.channels,
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TMEDIA_CONSUMER(consumer)->audio.in.rate,
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TMEDIA_CONSUMER(consumer)->audio.out.rate,
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TMEDIA_CONSUMER(consumer)->audio.ptime);
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audioFormat.mSampleRate = TMEDIA_CONSUMER(consumer)->audio.out.rate ? TMEDIA_CONSUMER(consumer)->audio.out.rate : TMEDIA_CONSUMER(consumer)->audio.in.rate;
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audioFormat.mFormatID = kAudioFormatLinearPCM;
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audioFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
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audioFormat.mChannelsPerFrame = TMEDIA_CONSUMER(consumer)->audio.in.channels;
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audioFormat.mFramesPerPacket = 1;
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audioFormat.mBitsPerChannel = TMEDIA_CONSUMER(consumer)->audio.bits_per_sample;
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audioFormat.mBytesPerPacket = audioFormat.mBitsPerChannel / 8 * audioFormat.mChannelsPerFrame;
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audioFormat.mBytesPerFrame = audioFormat.mBytesPerPacket;
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audioFormat.mReserved = 0;
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status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle),
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kAudioUnitProperty_StreamFormat,
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kAudioUnitScope_Input,
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kOutputBus,
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&audioFormat,
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sizeof(audioFormat));
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if(status) {
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TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioUnitProperty_StreamFormat) failed with status=%ld", (signed long)status);
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return -5;
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}
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else {
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// configure
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if(tdav_audiounit_handle_configure(consumer->audioUnitHandle, tsk_true, TMEDIA_CONSUMER(consumer)->audio.ptime, &audioFormat)) {
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TSK_DEBUG_ERROR("tdav_audiounit_handle_set_rate(%d) failed", TMEDIA_CONSUMER(consumer)->audio.out.rate);
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return -4;
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}
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// set callback function
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AURenderCallbackStruct callback;
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callback.inputProc = __handle_output_buffer;
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callback.inputProcRefCon = consumer;
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status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle),
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kAudioUnitProperty_SetRenderCallback,
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kAudioUnitScope_Input,
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kOutputBus,
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&callback,
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sizeof(callback));
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if(status) {
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TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioOutputUnitProperty_SetInputCallback) failed with status=%ld", (signed long)status);
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return -6;
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}
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}
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}
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// allocate the chunck buffer and create the ring
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consumer->ring.chunck.size = (TMEDIA_CONSUMER(consumer)->audio.ptime * audioFormat.mSampleRate * audioFormat.mBytesPerFrame) / 1000;
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consumer->ring.size = kRingPacketCount * consumer->ring.chunck.size;
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if(!(consumer->ring.chunck.buffer = tsk_realloc(consumer->ring.chunck.buffer, consumer->ring.chunck.size))) {
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TSK_DEBUG_ERROR("Failed to allocate new buffer");
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return -7;
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}
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if(!consumer->ring.buffer) {
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consumer->ring.buffer = speex_buffer_init((int)consumer->ring.size);
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}
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else {
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int ret;
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if((ret = (int)speex_buffer_resize(consumer->ring.buffer, (int)consumer->ring.size)) < 0) {
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TSK_DEBUG_ERROR("speex_buffer_resize(%d) failed with error code=%d", (int)consumer->ring.size, ret);
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return ret;
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}
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}
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if(!consumer->ring.buffer) {
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TSK_DEBUG_ERROR("Failed to create a new ring buffer with size = %d", (int)consumer->ring.size);
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return -8;
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}
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if(!consumer->ring.mutex && !(consumer->ring.mutex = tsk_mutex_create_2(tsk_false))) {
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TSK_DEBUG_ERROR("Failed to create mutex");
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return -9;
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}
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// set maximum frames per slice as buffer size
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//UInt32 numFrames = (UInt32)consumer->ring.chunck.size;
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//status = AudioUnitSetProperty(tdav_audiounit_handle_get_instance(consumer->audioUnitHandle),
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// kAudioUnitProperty_MaximumFramesPerSlice,
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// kAudioUnitScope_Global,
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// 0,
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// &numFrames,
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// sizeof(numFrames));
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//if(status){
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// TSK_DEBUG_ERROR("AudioUnitSetProperty(kAudioUnitProperty_MaximumFramesPerSlice, %u) failed with status=%d", (unsigned)numFrames, (int32_t)status);
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// return -6;
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//}
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TSK_DEBUG_INFO("AudioUnit consumer prepared");
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return tdav_audiounit_handle_signal_consumer_prepared(consumer->audioUnitHandle);
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}
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static int tdav_consumer_audiounit_start(tmedia_consumer_t* self)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if(!consumer) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(consumer->paused) {
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consumer->paused = tsk_false;
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}
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if(consumer->started) {
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TSK_DEBUG_WARN("Already started");
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return 0;
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}
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else {
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int ret = tdav_audiounit_handle_start(consumer->audioUnitHandle);
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if(ret) {
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TSK_DEBUG_ERROR("tdav_audiounit_handle_start failed with error code=%d", ret);
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return ret;
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}
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}
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consumer->started = tsk_true;
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TSK_DEBUG_INFO("AudioUnit consumer started");
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return 0;
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}
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static int tdav_consumer_audiounit_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if(!consumer || !buffer || !size) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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#if DISABLE_JITTER_BUFFER
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{
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if(consumer->ring.buffer) {
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tsk_mutex_lock(consumer->ring.mutex);
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speex_buffer_write(consumer->ring.buffer, (void*)buffer, size);
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tsk_mutex_unlock(consumer->ring.mutex);
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return 0;
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}
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return -2;
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}
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#else
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{
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return tdav_consumer_audio_put(TDAV_CONSUMER_AUDIO(consumer), buffer, size, proto_hdr);
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}
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#endif
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}
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static int tdav_consumer_audiounit_pause(tmedia_consumer_t* self)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if(!consumer) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if (!consumer->paused) {
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consumer->paused = tsk_true;
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if (consumer->started) {
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int ret = tdav_audiounit_handle_stop(consumer->audioUnitHandle);
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if(ret) {
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TSK_DEBUG_ERROR("tdav_audiounit_handle_stop failed with error code=%d", ret);
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}
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consumer->started = false;
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}
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}
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TSK_DEBUG_INFO("AudioUnit consumer paused");
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return 0;
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}
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static int tdav_consumer_audiounit_resume(tmedia_consumer_t* self)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if(!consumer) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if (consumer->paused) {
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consumer->paused = tsk_false;
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if (!consumer->started) {
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int ret = tdav_audiounit_handle_start(consumer->audioUnitHandle);
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if(ret) {
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TSK_DEBUG_ERROR("tdav_audiounit_handle_start failed with error code=%d", ret);
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}
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consumer->started = true;
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}
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}
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TSK_DEBUG_INFO("AudioUnit consumer resumed");
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return 0;
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}
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static int tdav_consumer_audiounit_stop(tmedia_consumer_t* self)
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{
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tdav_consumer_audiounit_t* consumer = (tdav_consumer_audiounit_t*)self;
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if(!consumer) {
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(!consumer->started) {
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TSK_DEBUG_INFO("Not started");
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return 0;
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}
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else {
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int ret = tdav_audiounit_handle_stop(consumer->audioUnitHandle);
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if(ret) {
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TSK_DEBUG_ERROR("tdav_audiounit_handle_stop failed with error code=%d", ret);
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return ret;
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}
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}
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#if TARGET_OS_IPHONE
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//https://devforums.apple.com/thread/118595
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if(consumer->audioUnitHandle) {
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tdav_audiounit_handle_destroy(&consumer->audioUnitHandle);
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}
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#endif
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consumer->started = tsk_false;
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TSK_DEBUG_INFO("AudioUnit consumer stoppped");
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return 0;
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}
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//
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// coreaudio consumer (AudioUnit) object definition
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//
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/* constructor */
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static tsk_object_t* tdav_consumer_audiounit_ctor(tsk_object_t * self, va_list * app)
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{
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tdav_consumer_audiounit_t *consumer = self;
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if(consumer) {
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/* init base */
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tdav_consumer_audio_init(TDAV_CONSUMER_AUDIO(consumer));
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/* init self */
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}
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return self;
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}
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/* destructor */
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static tsk_object_t* tdav_consumer_audiounit_dtor(tsk_object_t * self)
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{
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tdav_consumer_audiounit_t *consumer = self;
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if(consumer) {
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/* deinit self */
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// Stop the consumer if not done
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if(consumer->started) {
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tdav_consumer_audiounit_stop(self);
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}
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// destroy handle
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if(consumer->audioUnitHandle) {
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tdav_audiounit_handle_destroy(&consumer->audioUnitHandle);
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}
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TSK_FREE(consumer->ring.chunck.buffer);
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if(consumer->ring.buffer) {
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speex_buffer_destroy(consumer->ring.buffer);
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}
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if(consumer->ring.mutex) {
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tsk_mutex_destroy(&consumer->ring.mutex);
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}
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/* deinit base */
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tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(consumer));
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TSK_DEBUG_INFO("*** AudioUnit Consumer destroyed ***");
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}
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return self;
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}
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/* object definition */
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static const tsk_object_def_t tdav_consumer_audiounit_def_s = {
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sizeof(tdav_consumer_audiounit_t),
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tdav_consumer_audiounit_ctor,
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tdav_consumer_audiounit_dtor,
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tdav_consumer_audio_cmp,
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};
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/* plugin definition*/
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static const tmedia_consumer_plugin_def_t tdav_consumer_audiounit_plugin_def_s = {
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&tdav_consumer_audiounit_def_s,
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tmedia_audio,
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"Apple CoreAudio consumer(AudioUnit)",
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tdav_consumer_audiounit_set,
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tdav_consumer_audiounit_prepare,
|
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tdav_consumer_audiounit_start,
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|
tdav_consumer_audiounit_consume,
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|
tdav_consumer_audiounit_pause,
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tdav_consumer_audiounit_stop
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|
};
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|
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const tmedia_consumer_plugin_def_t *tdav_consumer_audiounit_plugin_def_t = &tdav_consumer_audiounit_plugin_def_s;
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#endif /* HAVE_COREAUDIO_AUDIO_UNIT */
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