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#include "AudioPlayer.h"
#include "EncodedAudioData.h"
#include <android/log.h>
#define TAG "AudioPlayer"
AudioPlayer::AudioPlayer(WebRtcJitterBuffer &webRtcJitterBuffer, AudioCodec &audioCodec) :
webRtcJitterBuffer(webRtcJitterBuffer), audioCodec(audioCodec),
bqPlayerObject(NULL), bqPlayerPlay(NULL), outputMixObject(NULL), bqPlayerBufferQueue(NULL)
{
}
AudioPlayer::~AudioPlayer() {
}
void AudioPlayer::playerCallback(SLAndroidSimpleBufferQueueItf bufferQueue, void *context) {
AudioPlayer* audioPlayer = static_cast<AudioPlayer*>(context);
audioPlayer->playerCallback(bufferQueue);
}
void AudioPlayer::playerCallback(SLAndroidSimpleBufferQueueItf bufferQueue) {
int samples = webRtcJitterBuffer.getAudio(outputBuffer, FRAME_SIZE);
// __android_log_print(ANDROID_LOG_WARN, TAG, "Jitter gave me: %d samples", samples);
(*bufferQueue)->Enqueue(bufferQueue, outputBuffer, samples * sizeof(short));
}
int AudioPlayer::start(SLEngineItf *engineEnginePtr) {
SLEngineItf engineEngine = *engineEnginePtr;
SLDataLocator_AndroidSimpleBufferQueue loc_bufq = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 2};
SLDataFormat_PCM format_pcm = {SL_DATAFORMAT_PCM, 1, SL_SAMPLINGRATE_8,
SL_PCMSAMPLEFORMAT_FIXED_16, SL_PCMSAMPLEFORMAT_FIXED_16,
SL_SPEAKER_FRONT_LEFT, SL_BYTEORDER_LITTLEENDIAN};
SLDataSource audioSrc = {&loc_bufq, &format_pcm};
const SLInterfaceID mixIds[] = {SL_IID_VOLUME};
const SLboolean mixReq[] = {SL_BOOLEAN_FALSE};
if ((*engineEngine)->CreateOutputMix(engineEngine, &outputMixObject, 1, mixIds, mixReq) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "CreateOutputMix failed!");
return -1;
}
if ((*outputMixObject)->Realize(outputMixObject, SL_BOOLEAN_FALSE) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Realize OutputMix failed!");
return -1;
}
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
const SLInterfaceID ids[2] = {SL_IID_ANDROIDCONFIGURATION, SL_IID_BUFFERQUEUE};
const SLboolean req[2] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
if ((*engineEngine)->CreateAudioPlayer(engineEngine, &bqPlayerObject, &audioSrc, &audioSnk, 2, ids, req) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "CreateAudioPlayer failed!");
return -1;
}
SLAndroidConfigurationItf playerConfig;
if ((*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_ANDROIDCONFIGURATION, &playerConfig) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Get AndroidConfiguration interface failed!");
return -1;
}
SLint32 streamType = SL_ANDROID_STREAM_VOICE;
if ((*playerConfig)->SetConfiguration(playerConfig, SL_ANDROID_KEY_STREAM_TYPE, &streamType, sizeof(SLint32)) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Setting SL_ANDROID_STREAM_VOICE failed!");
return -1;
}
if ((*bqPlayerObject)->Realize(bqPlayerObject, SL_BOOLEAN_FALSE) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Realize PlayerObject failed!");
return -1;
}
if ((*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_PLAY, &bqPlayerPlay) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "GetInterface PlayerObject failed!");
return -1;
}
if ((*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_BUFFERQUEUE, &bqPlayerBufferQueue) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "BufferQueue failed!");
return -1;
}
if ((*bqPlayerBufferQueue)->RegisterCallback(bqPlayerBufferQueue, &AudioPlayer::playerCallback, this) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "RegisterCallback failed!");
return -1;
}
memset(outputBuffer, 0, FRAME_SIZE * sizeof(short));
if ((*bqPlayerBufferQueue)->Enqueue(bqPlayerBufferQueue, outputBuffer, FRAME_SIZE * sizeof(short)) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Player enqueue failed!");
return -1;
}
if ((*bqPlayerPlay)->SetPlayState(bqPlayerPlay, SL_PLAYSTATE_PLAYING) != SL_RESULT_SUCCESS) {
__android_log_print(ANDROID_LOG_WARN, TAG, "Play state failed!");
return -1;
}
return 0;
}
void AudioPlayer::stop() {
if (bqPlayerPlay != NULL) {
(*bqPlayerPlay)->SetPlayState(bqPlayerPlay, SL_PLAYSTATE_STOPPED);
}
if (bqPlayerBufferQueue != NULL) {
(*bqPlayerBufferQueue)->Clear(bqPlayerBufferQueue);
}
if (bqPlayerObject != NULL) {
(*bqPlayerObject)->Destroy(bqPlayerObject);
bqPlayerPlay = NULL;
bqPlayerBufferQueue = NULL;
bqPlayerObject = NULL;
}
if (outputMixObject != NULL) {
(*outputMixObject)->Destroy(outputMixObject);
outputMixObject = NULL;
}
}