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axmol/cocos/audio/winrt/Audio.cpp

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/*
* cocos2d-x http://www.cocos2d-x.org
*
* Copyright (c) 2010-2011 - cocos2d-x community
*
* Portions Copyright (c) Microsoft Open Technologies, Inc.
* All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*/
#include "audio/winrt/Audio.h"
#include "platform/CCCommon.h"
#include "audio/winrt/AudioSourceReader.h"
inline void ThrowIfFailed(HRESULT hr)
{
if (FAILED(hr))
{
// Set a breakpoint on this line to catch DX API errors.
throw Platform::Exception::CreateException(hr);
}
}
void AudioEngineCallbacks::Initialize(Audio *audio)
{
m_audio = audio;
}
// Called in the event of a critical system error which requires XAudio2
// to be closed down and restarted. The error code is given in error.
void _stdcall AudioEngineCallbacks::OnCriticalError(HRESULT Error)
{
UNUSED_PARAM(Error);
m_audio->SetEngineExperiencedCriticalError();
};
Audio::Audio() :
m_backgroundID(0),
m_soundEffctVolume(1.0f),
m_backgroundMusicVolume(1.0f)
{
}
void Audio::Initialize()
{
m_engineExperiencedCriticalError = false;
m_musicEngine = nullptr;
m_soundEffectEngine = nullptr;
m_musicMasteringVoice = nullptr;
m_soundEffectMasteringVoice = nullptr;
}
void Audio::CreateResources()
{
do
{
if (FAILED(XAudio2Create(&m_musicEngine)))
{
m_engineExperiencedCriticalError = true;
break;
}
#if defined(_DEBUG)
XAUDIO2_DEBUG_CONFIGURATION debugConfig = {0};
debugConfig.BreakMask = XAUDIO2_LOG_ERRORS;
debugConfig.TraceMask = XAUDIO2_LOG_ERRORS;
m_musicEngine->SetDebugConfiguration(&debugConfig);
#endif
m_musicEngineCallback.Initialize(this);
m_musicEngine->RegisterForCallbacks(&m_musicEngineCallback);
// This sample plays the equivalent of background music, which we tag on the mastering voice as AudioCategory_GameMedia.
// In ordinary usage, if we were playing the music track with no effects, we could route it entirely through
// Media Foundation. Here we are using XAudio2 to apply a reverb effect to the music, so we use Media Foundation to
// decode the data then we feed it through the XAudio2 pipeline as a separate Mastering Voice, so that we can tag it
// as Game Media.
// We default the mastering voice to 2 channels to simplify the reverb logic.
if(FAILED(m_musicEngine->CreateMasteringVoice(&m_musicMasteringVoice, XAUDIO2_DEFAULT_CHANNELS, XAUDIO2_DEFAULT_SAMPLERATE, 0, nullptr, nullptr, AudioCategory_GameMedia)))
{
m_engineExperiencedCriticalError = true;
break;
}
// Create a separate engine and mastering voice for sound effects in the sample
// Games will use many voices in a complex graph for audio, mixing all effects down to a
// single mastering voice.
// We are creating an entirely new engine instance and mastering voice in order to tag
// our sound effects with the audio category AudioCategory_GameEffects.
if(FAILED(XAudio2Create(&m_soundEffectEngine)))
{
m_engineExperiencedCriticalError = true;
break;
}
m_soundEffectEngineCallback.Initialize(this);
m_soundEffectEngine->RegisterForCallbacks(&m_soundEffectEngineCallback);
// We default the mastering voice to 2 channels to simplify the reverb logic.
if(FAILED(m_soundEffectEngine->CreateMasteringVoice(&m_soundEffectMasteringVoice, XAUDIO2_DEFAULT_CHANNELS, XAUDIO2_DEFAULT_SAMPLERATE, 0, nullptr, nullptr, AudioCategory_GameEffects)))
{
m_engineExperiencedCriticalError = true;
break;
}
} while (false);
}
unsigned int Audio::Hash(const char *key)
{
unsigned int len = strlen(key);
const char *end=key+len;
unsigned int hash;
for (hash = 0; key < end; key++)
{
hash *= 16777619;
hash ^= (unsigned int) (unsigned char) toupper(*key);
}
return (hash);
}
void Audio::ReleaseResources()
{
if (m_musicMasteringVoice != nullptr)
{
m_musicMasteringVoice->DestroyVoice();
m_musicMasteringVoice = nullptr;
}
if (m_soundEffectMasteringVoice != nullptr)
{
m_soundEffectMasteringVoice->DestroyVoice();
m_soundEffectMasteringVoice = nullptr;
}
EffectList::iterator EffectIter = m_soundEffects.begin();
for (; EffectIter != m_soundEffects.end(); EffectIter++)
{
if (EffectIter->second.m_soundEffectSourceVoice != nullptr)
{
EffectIter->second.m_soundEffectSourceVoice->DestroyVoice();
EffectIter->second.m_soundEffectSourceVoice = nullptr;
}
}
m_soundEffects.clear();
m_musicEngine = nullptr;
m_soundEffectEngine = nullptr;
}
void Audio::Start()
{
if (m_engineExperiencedCriticalError)
{
return;
}
if (! m_backgroundFile.empty())
PlayBackgroundMusic(m_backgroundFile.c_str(), m_backgroundLoop);
}
// This sample processes audio buffers during the render cycle of the application.
// As long as the sample maintains a high-enough frame rate, this approach should
// not glitch audio. In game code, it is best for audio buffers to be processed
// on a separate thread that is not synced to the main render loop of the game.
void Audio::Render()
{
if (m_engineExperiencedCriticalError)
{
ReleaseResources();
Initialize();
CreateResources();
Start();
if (m_engineExperiencedCriticalError)
{
return;
}
}
}
void Audio::PlayBackgroundMusic(const char* pszFilePath, bool bLoop)
{
m_backgroundFile = pszFilePath;
m_backgroundLoop = bLoop;
if (m_engineExperiencedCriticalError) {
return;
}
StopBackgroundMusic(true);
PlaySoundEffect(pszFilePath, bLoop, m_backgroundID, true);
}
void Audio::StopBackgroundMusic(bool bReleaseData)
{
if (m_engineExperiencedCriticalError) {
return;
}
StopSoundEffect(m_backgroundID);
if (bReleaseData){
UnloadSoundEffect(m_backgroundID);
RemoveFromList(m_backgroundID);
}
}
void Audio::PauseBackgroundMusic()
{
if (m_engineExperiencedCriticalError) {
return;
}
PauseSoundEffect(m_backgroundID);
}
void Audio::ResumeBackgroundMusic()
{
if (m_engineExperiencedCriticalError) {
return;
}
ResumeSoundEffect(m_backgroundID);
}
void Audio::RewindBackgroundMusic()
{
if (m_engineExperiencedCriticalError) {
return;
}
RewindSoundEffect(m_backgroundID);
}
bool Audio::IsBackgroundMusicPlaying()
{
return IsSoundEffectStarted(m_backgroundID) && !IsSoundEffectPaused(m_backgroundID);
}
void Audio::SetBackgroundVolume(float volume)
{
m_backgroundMusicVolume = volume;
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() != m_soundEffects.find(m_backgroundID))
{
m_soundEffects[m_backgroundID].m_soundEffectSourceVoice->SetVolume(volume);
}
}
float Audio::GetBackgroundVolume()
{
return m_backgroundMusicVolume;
}
void Audio::SetSoundEffectVolume(float volume)
{
m_soundEffctVolume = volume;
if (m_engineExperiencedCriticalError) {
return;
}
EffectList::iterator iter;
for (iter = m_soundEffects.begin(); iter != m_soundEffects.end(); iter++)
{
if (iter->first != m_backgroundID)
iter->second.m_soundEffectSourceVoice->SetVolume(m_soundEffctVolume);
}
}
float Audio::GetSoundEffectVolume()
{
return m_soundEffctVolume;
}
void Audio::PlaySoundEffect(const char* pszFilePath, bool bLoop, unsigned int& sound, bool isMusic)
{
sound = Hash(pszFilePath);
if (m_soundEffects.end() == m_soundEffects.find(sound))
{
PreloadSoundEffect(pszFilePath, isMusic);
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
m_soundEffects[sound].m_audioBuffer.LoopCount = bLoop ? XAUDIO2_LOOP_INFINITE : 0;
PlaySoundEffect(sound);
}
void Audio::PlaySoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
StopSoundEffect(sound);
if (FAILED(m_soundEffects[sound].m_soundEffectSourceVoice->SubmitSourceBuffer(&m_soundEffects[sound].m_audioBuffer)))
{
m_engineExperiencedCriticalError = true;
}
if (m_engineExperiencedCriticalError) {
// If there's an error, then we'll recreate the engine on the next render pass
return;
}
SoundEffectData* soundEffect = &m_soundEffects[sound];
HRESULT hr = soundEffect->m_soundEffectSourceVoice->Start();
if FAILED(hr)
{
m_engineExperiencedCriticalError = true;
return;
}
m_soundEffects[sound].m_soundEffectStarted = true;
m_soundEffects[sound].m_soundEffectPaused = false;
}
void Audio::StopSoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
HRESULT hr = m_soundEffects[sound].m_soundEffectSourceVoice->Stop();
HRESULT hr1 = m_soundEffects[sound].m_soundEffectSourceVoice->FlushSourceBuffers();
if (FAILED(hr) || FAILED(hr1))
{
// If there's an error, then we'll recreate the engine on the next render pass
m_engineExperiencedCriticalError = true;
return;
}
m_soundEffects[sound].m_soundEffectStarted = false;
m_soundEffects[sound].m_soundEffectPaused = false;
}
void Audio::PauseSoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
HRESULT hr = m_soundEffects[sound].m_soundEffectSourceVoice->Stop();
if FAILED(hr)
{
// If there's an error, then we'll recreate the engine on the next render pass
m_engineExperiencedCriticalError = true;
return;
}
m_soundEffects[sound].m_soundEffectPaused = true;
}
void Audio::ResumeSoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
HRESULT hr = m_soundEffects[sound].m_soundEffectSourceVoice->Start();
if FAILED(hr)
{
// If there's an error, then we'll recreate the engine on the next render pass
m_engineExperiencedCriticalError = true;
return;
}
m_soundEffects[sound].m_soundEffectPaused = false;
}
void Audio::RewindSoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
StopSoundEffect(sound);
PlaySoundEffect(sound);
}
void Audio::PauseAllSoundEffects()
{
if (m_engineExperiencedCriticalError) {
return;
}
EffectList::iterator iter;
for (iter = m_soundEffects.begin(); iter != m_soundEffects.end(); iter++)
{
if (iter->first != m_backgroundID)
PauseSoundEffect(iter->first);
}
}
void Audio::ResumeAllSoundEffects()
{
if (m_engineExperiencedCriticalError) {
return;
}
EffectList::iterator iter;
for (iter = m_soundEffects.begin(); iter != m_soundEffects.end(); iter++)
{
if (iter->first != m_backgroundID)
ResumeSoundEffect(iter->first);
}
}
void Audio::StopAllSoundEffects(bool bReleaseData)
{
if (m_engineExperiencedCriticalError) {
return;
}
EffectList::iterator iter;
for (iter = m_soundEffects.begin(); iter != m_soundEffects.end(); iter++)
{
if (iter->first != m_backgroundID){
StopSoundEffect(iter->first);
if (bReleaseData)
{
UnloadSoundEffect(iter->first);
}
}
}
if (bReleaseData)
{
for (iter = m_soundEffects.begin(); iter != m_soundEffects.end();)
{
if (iter->first != m_backgroundID){
m_soundEffects.erase(iter++);
}
else
{
iter++;
}
}
}
}
bool Audio::IsSoundEffectStarted(unsigned int sound)
{
if (m_soundEffects.end() == m_soundEffects.find(sound))
return false;
return m_soundEffects[sound].m_soundEffectStarted;
}
bool Audio::IsSoundEffectPaused(unsigned int sound)
{
if (m_soundEffects.end() == m_soundEffects.find(sound))
return false;
return m_soundEffects[sound].m_soundEffectPaused;
}
void Audio::PreloadSoundEffect(const char* pszFilePath, bool isMusic)
{
if (m_engineExperiencedCriticalError) {
return;
}
int sound = Hash(pszFilePath);
std::unique_ptr<cocos2d::experimental::AudioSourceReader> reader = std::make_unique<cocos2d::experimental::MP3Reader>();
if (!reader) {
return;
}
static_cast<cocos2d::experimental::MP3Reader*>(reader.get())->doLargeFileSupport(false);
if (!reader->initialize(pszFilePath)) {
return;
}
m_soundEffects[sound].m_soundID = sound;
uint32 bufferLength = reader->getTotalAudioBytes();
WAVEFORMATEX wfx = reader->getWaveFormatInfo();
cocos2d::experimental::AudioDataChunk chunk;
if (!reader->consumeChunk(chunk)) {
return;
}
m_soundEffects[sound].m_soundEffectBufferData = new (std::nothrow) BYTE[chunk._dataSize];
if (nullptr == m_soundEffects[sound].m_soundEffectBufferData) {
return;
}
m_soundEffects[sound].m_soundEffectBufferLength = chunk._dataSize;
CopyMemory(m_soundEffects[sound].m_soundEffectBufferData, chunk._data->data(), chunk._dataSize);
if (isMusic)
{
XAUDIO2_SEND_DESCRIPTOR descriptors[1];
descriptors[0].pOutputVoice = m_musicMasteringVoice;
descriptors[0].Flags = 0;
XAUDIO2_VOICE_SENDS sends = {0};
sends.SendCount = 1;
sends.pSends = descriptors;
if (FAILED(m_musicEngine->CreateSourceVoice(&m_soundEffects[sound].m_soundEffectSourceVoice,
&wfx, 0, 1.0f, &m_voiceContext, &sends)))
{
m_engineExperiencedCriticalError = true;
}
//fix bug: set a initial volume
m_soundEffects[sound].m_soundEffectSourceVoice->SetVolume(m_backgroundMusicVolume);
} else
{
XAUDIO2_SEND_DESCRIPTOR descriptors[1];
descriptors[0].pOutputVoice = m_soundEffectMasteringVoice;
descriptors[0].Flags = 0;
XAUDIO2_VOICE_SENDS sends = {0};
sends.SendCount = 1;
sends.pSends = descriptors;
if(FAILED(m_soundEffectEngine->CreateSourceVoice(&m_soundEffects[sound].m_soundEffectSourceVoice,
&wfx, 0, 1.0f, &m_voiceContext, &sends, nullptr)))
{
m_engineExperiencedCriticalError = true;
}
//fix bug: set a initial volume
m_soundEffects[sound].m_soundEffectSourceVoice->SetVolume(m_soundEffctVolume);
}
m_soundEffects[sound].m_soundEffectSampleRate = wfx.nSamplesPerSec;
// Queue in-memory buffer for playback
ZeroMemory(&m_soundEffects[sound].m_audioBuffer, sizeof(m_soundEffects[sound].m_audioBuffer));
m_soundEffects[sound].m_audioBuffer.AudioBytes = m_soundEffects[sound].m_soundEffectBufferLength;
m_soundEffects[sound].m_audioBuffer.pAudioData = m_soundEffects[sound].m_soundEffectBufferData;
m_soundEffects[sound].m_audioBuffer.pContext = &m_soundEffects[sound];
m_soundEffects[sound].m_audioBuffer.Flags = XAUDIO2_END_OF_STREAM;
m_soundEffects[sound].m_audioBuffer.LoopCount = 0;
}
void Audio::UnloadSoundEffect(const char* pszFilePath)
{
int sound = Hash(pszFilePath);
UnloadSoundEffect(sound);
RemoveFromList(sound);
}
void Audio::UnloadSoundEffect(unsigned int sound)
{
if (m_engineExperiencedCriticalError) {
return;
}
if (m_soundEffects.end() == m_soundEffects.find(sound))
return;
m_soundEffects[sound].m_soundEffectSourceVoice->DestroyVoice();
if(m_soundEffects[sound].m_soundEffectBufferData)
delete [] m_soundEffects[sound].m_soundEffectBufferData;
m_soundEffects[sound].m_soundEffectBufferData = nullptr;
m_soundEffects[sound].m_soundEffectSourceVoice = nullptr;
m_soundEffects[sound].m_soundEffectStarted = false;
m_soundEffects[sound].m_soundEffectPaused = false;
ZeroMemory(&m_soundEffects[sound].m_audioBuffer, sizeof(m_soundEffects[sound].m_audioBuffer));
}
void Audio::RemoveFromList( unsigned int sound )
{
m_soundEffects.erase(sound);
}
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