mirror of https://github.com/axmolengine/axmol.git
resert some files
This commit is contained in:
dumganhar
parent
f1614fb4de
commit
eaad344762
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/*
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* MyAudioOutListener.cpp
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*
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* Created on: 2011-1-21
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* Author: Administrator
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*/
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#include "MyAudioOutListener.h"
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#include <stdio.h>
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#include "WavHead.h"
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using namespace Osp::Base;
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using namespace Osp::Base::Collection;
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using namespace Osp::Media;
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#define MAX_BUFFER_SIZE 2520 // 840 byte
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MyAudioOutEventListener::MyAudioOutEventListener()
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{
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__totalWriteBufferNum = 0;
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__playCount = 0;
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__pDataArray = null;
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__pAudioOut = null;
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__pPcmBuffer = null;
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__pcmLen = 0;
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}
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MyAudioOutEventListener::~MyAudioOutEventListener()
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{
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AppLog("dealoc MyAudioOutEventListener");
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if (__pDataArray != null)
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{
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__pDataArray->RemoveAll(true);
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delete __pDataArray;
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__pDataArray = null;
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}
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if (__pAudioOut != null)
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{
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__pAudioOut->Stop();
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__pAudioOut->Unprepare();
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delete __pAudioOut;
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__pAudioOut = null;
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}
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if (__pPcmBuffer != null)
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{
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delete[] __pPcmBuffer;
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__pPcmBuffer = null;
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}
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}
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result MyAudioOutEventListener::Construct(const char* pszFilePath)
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{
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__pAudioOut = new AudioOut();
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__pAudioOut->Construct(*this);
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WAVE wavHead;
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FILE* fp = fopen(pszFilePath, "rb");
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if (fp != NULL)
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{
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if (GetWaveHeadInfo(fp, wavHead))
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{
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__pPcmBuffer = new char[wavHead.SubChunk2Size];
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__pcmLen = wavHead.SubChunk2Size;
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fread(__pPcmBuffer, __pcmLen, 1, fp);
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fclose(fp);
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}
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else
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{
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fclose(fp);
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return E_FAILURE;
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}
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}
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__pDataArray = new ArrayList();
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// AudioOut Preparation
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AudioSampleType audioSampleType;
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AudioChannelType audioChannelType;
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int audioSampleRate = 0;
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if (wavHead.BitsPerSample == 8)
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{
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audioSampleType = AUDIO_TYPE_PCM_U8;
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}
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else if (wavHead.BitsPerSample == 16)
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{
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audioSampleType = AUDIO_TYPE_PCM_S16_LE;
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}
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else
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{
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audioSampleType = AUDIO_TYPE_NONE;
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}
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if (wavHead.NumChannels == 1)
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{
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audioChannelType = AUDIO_CHANNEL_TYPE_MONO;
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}
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else if (wavHead.NumChannels == 2)
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{
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audioChannelType = AUDIO_CHANNEL_TYPE_STEREO;
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}
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else
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{
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audioChannelType = AUDIO_CHANNEL_TYPE_NONE;
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}
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audioSampleRate = wavHead.SampleRate;
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result r = __pAudioOut->Prepare(audioSampleType, audioChannelType, audioSampleRate);
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AppLog("The audio out prepare result is %s", GetErrorMessage(r));
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AppLogDebug("The audio out prepare result in ApplogDebug message");
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ByteBuffer* pTotalData = null;
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pTotalData = new ByteBuffer();
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pTotalData->Construct(__pcmLen);
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pTotalData->SetArray((byte*)__pPcmBuffer, 0, __pcmLen);
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pTotalData->Flip();
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int totalSize = pTotalData->GetLimit();
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int currentPosition = 0;
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ByteBuffer* pItem = null;
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byte givenByte;
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// Binding data buffers into the array
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if(totalSize > MAX_BUFFER_SIZE)
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{
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do
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{
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pItem = new ByteBuffer();
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pItem->Construct(MAX_BUFFER_SIZE);
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for(int i = 0; i < MAX_BUFFER_SIZE; i++)
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{
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// Read it per 1 byte
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pTotalData->GetByte(currentPosition++,givenByte);
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pItem->SetByte(givenByte);
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if(currentPosition == totalSize )
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break;
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}
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__pDataArray->Add(*pItem);
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}while(currentPosition < totalSize);
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__totalWriteBufferNum = __pDataArray->GetCount();
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}
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else
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{
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pItem = new ByteBuffer();
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pItem->Construct(totalSize);
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for(int i = 0; i < totalSize; i++)
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{
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// Read it per 1 byte
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pTotalData->GetByte(i, givenByte);
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pItem->SetByte(givenByte);
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}
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__pDataArray->Add(*pItem);
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__totalWriteBufferNum = __pDataArray->GetCount();
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// non-case for now, may the size of test file is bigger than MAX size
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}
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delete pTotalData;
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pTotalData = null;
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// Start playing until the end of the array
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// __pAudioOut->Start();
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return r;
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}
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void MyAudioOutEventListener::play()
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{
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if (__pAudioOut->GetState() == AUDIOOUT_STATE_PLAYING)
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{
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__pAudioOut->Reset();
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}
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ByteBuffer* pWriteBuffer = null;
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for (int i = 0; i < __totalWriteBufferNum; i++)
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{
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pWriteBuffer = static_cast<ByteBuffer*>(__pDataArray->GetAt(i));
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__pAudioOut->WriteBuffer(*pWriteBuffer);
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}
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__pAudioOut->Start();
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__playCount++;
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}
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void MyAudioOutEventListener::stop()
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{
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__pAudioOut->Stop();
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}
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void MyAudioOutEventListener::setVolume(int volume)
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{
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__pAudioOut->SetVolume(volume);
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}
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/**
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* Notifies when the device has written a buffer completely.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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void MyAudioOutEventListener::OnAudioOutBufferEndReached(Osp::Media::AudioOut& src)
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{
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result r = E_SUCCESS;
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if( __playCount == __totalWriteBufferNum)
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{
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// The End of array, it's time to finish
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//cjh r = src.Unprepare();
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//Reset Variable
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__playCount = 0;
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//cjh __totalWriteBufferNum = 0;
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}else
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{
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//Not yet reached the end of array
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//Write the next buffer
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__playCount++;
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// ByteBuffer* pWriteBuffer = static_cast<ByteBuffer*>(__pDataArray->GetAt(__playCount++));
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// r = src.WriteBuffer(*pWriteBuffer);
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}
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}
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/**
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* Notifies that the output device is being interrupted by a task of higher priority than AudioOut.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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void MyAudioOutEventListener::OnAudioOutInterrupted(Osp::Media::AudioOut& src)
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{
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AppLog("OnAudioOutInterrupted");
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if (__pAudioOut->GetState() == AUDIOOUT_STATE_PLAYING)
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{
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__pAudioOut->Stop();
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}
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}
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/**
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* Notifies that the interrupted output device has been released.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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void MyAudioOutEventListener::OnAudioOutReleased(Osp::Media::AudioOut& src)
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{
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AppLog("OnAudioOutReleased");
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}
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/*
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* MyAudioOutListener.h
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*
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* Created on: 2011-1-21
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* Author: Administrator
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*/
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#ifndef MYAUDIOOUTLISTENER_H_
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#define MYAUDIOOUTLISTENER_H_
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#include <FBase.h>
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#include <FMedia.h>
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class MyAudioOutEventListener :
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public Osp::Media::IAudioOutEventListener
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{
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public:
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MyAudioOutEventListener();
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virtual ~MyAudioOutEventListener();
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result Construct(const char* pszFilePath);
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void play();
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void stop();
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void setVolume(int volume);
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/**
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* Notifies when the device has written a buffer completely.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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virtual void OnAudioOutBufferEndReached(Osp::Media::AudioOut& src);
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/**
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* Notifies that the output device is being interrupted by a task of higher priority than AudioOut.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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virtual void OnAudioOutInterrupted(Osp::Media::AudioOut& src);
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/**
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* Notifies that the interrupted output device has been released.
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*
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* @param[in] src A pointer to the AudioOut instance that fired the event
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*/
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virtual void OnAudioOutReleased(Osp::Media::AudioOut& src);
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private:
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int __totalWriteBufferNum;
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int __playCount;
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Osp::Base::Collection::ArrayList* __pDataArray;
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Osp::Media::AudioOut* __pAudioOut;
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char* __pPcmBuffer;
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int __pcmLen;
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};
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#endif /* MYAUDIOOUTLISTENER_H_ */
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/*
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* WaveHead.cpp
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*
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* Created on: 2011-1-21
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* Author: Administrator
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*/
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#include "WavHead.h"
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#include <stdio.h>
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#include <FBaseSys.h>
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bool GetWaveHeadInfo(FILE*stream, WAVE& outWavHead)
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{
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char szTmp[100] = {0};
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int i = 0;
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// FILE *stream;
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// if((stream = fopen(fileName,"rb"))==NULL)
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// {
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// AppLog("ERROR:can't open the file!");
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//
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// return false;
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// }
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/*
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* 读wav文件的各个field
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*/
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fread(outWavHead.ChunkID, 4, 1, stream);
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outWavHead.ChunkID[4] = (char)0;
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fread(&(outWavHead.ChunkSize),4, 1, stream);
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fread(outWavHead.Format, 4, 1, stream);
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outWavHead.Format[4] = (char)0;
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fread(outWavHead.SubChunk1ID, 4, 1, stream);
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outWavHead.SubChunk1ID[4] = (char)0;
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fread(&(outWavHead.SubChunk1Size), 4, 1, stream);
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fread(&(outWavHead.AudioFormat), 2, 1, stream);
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fread(&(outWavHead.NumChannels), 2, 1, stream);
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fread(&(outWavHead.SampleRate), 4, 1, stream);
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fread(&(outWavHead.ByteRate), 4, 1, stream);
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fread(&(outWavHead.BlockAlign), 2, 1, stream);
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fread(&(outWavHead.BitsPerSample), 2, 1, stream);
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fseek(stream, 0, SEEK_SET);
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fread(szTmp, 64, 1, stream);
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for (i = 0; i <= 60; i++)
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{
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if (szTmp[i] == 'd' && szTmp[i+1] == 'a' && szTmp[i+2] == 't' && szTmp[i+3] == 'a')
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{
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break;
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}
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}
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fseek(stream, i, SEEK_SET);
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fread(outWavHead.SubChunk2ID, 4, 1, stream);
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outWavHead.SubChunk2ID[4] = (char)0;
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fread(&(outWavHead.SubChunk2Size), 4, 1, stream);
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return true;
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}
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/*
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* WavHead.h
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*
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* Created on: 2011-1-21
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* Author: Administrator
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*/
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#ifndef WAVHEAD_H_
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#define WAVHEAD_H_
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#include <stdio.h>
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/* WAVE文件头 */
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typedef struct wave_tag
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{
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char ChunkID[5]; // "RIFF"标志
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unsigned long int ChunkSize; // 文件长度(WAVE文件的大小, 不含前8个字节)
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char Format[5]; // "WAVE"标志
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char SubChunk1ID[5];// "fmt "标志
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unsigned long int SubChunk1Size; /*
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* 过渡字节(不定)
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* 16 for PCM. This is the size of the rest of the
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* Subchunk which follows this number.
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*/
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unsigned short int AudioFormat; /*
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* 格式类别(10H为PCM格式的声音数据)
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* PCM=1 (i.e. Linear quantization)
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* Values other than 1 indicate some form of compression.
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*/
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unsigned short int NumChannels; // 通道数(单声道为1, 双声道为2)
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//unsigned short int SampleRate; // 采样率(每秒样本数), 表示每个通道的播放速度
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unsigned long int SampleRate; // 采样率(每秒样本数), 表示每个通道的播放速度
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unsigned long int ByteRate; /*
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* 波形音频数据传输速率, 其值为:通道数*每秒数据位数*每样本的数据位数/8
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* 播放软件可以利用该值估计缓冲区大小
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*/
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unsigned short int BlockAlign; /*
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* 每样本的数据位数(按字节算), 其值为:通道数*每样本的数据位值/8， 播放
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* 软件需要一次处理多个该值大小的字节数据, 以便将其值用于缓冲区的调整
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*/
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unsigned short int BitsPerSample; /*
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* 每样本的数据位数, 表示每个声道中各个样本的数据位数. 如果有多个声道,
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* 对每个声道而言, 样本大小都一样
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*/
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char SubChunk2ID[5]; // 数据标记"data"
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unsigned long int SubChunk2Size; // 语音数据的长度
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} WAVE;
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/*
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* pBuffer内部申请空间，需要由外部释放
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*/
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bool GetWaveHeadInfo(FILE*stream, WAVE& outWavHead);
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#endif /* WAVHEAD_H_ */
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