566 lines
18 KiB
C++
566 lines
18 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#if __USE_AUDIO__ || __GENESIS_EDITOR__
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#include "stdneb.h"
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#include "SoundSystemOpenAL.h"
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#include "Framework.h"
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#include "SoundBufferOpenAL.h"
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#include "SoundSystemSourceOpenAL.h"
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#include "SoundSystemDSPOpenAL.h"
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#include "io/memoryreader.h"
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#include "io/assignregistry.h"
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#include "Vorbis/vorbisfile.h"
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#include "OpenAL/alext.h"
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namespace Sound
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{
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__ImplementClass(Sound::SoundSystemOpenAL, 'SDAL', Sound::SoundSystem);
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//------------------------------------------------------------------------------
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SoundSystemOpenAL::SoundSystemOpenAL() {}
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//------------------------------------------------------------------------------
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SoundSystemOpenAL::~SoundSystemOpenAL() {}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::InitSoundSystem()
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{
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#ifndef __OSX__
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alc_init();
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#endif
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ALFWInit();
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//initialize mpg123
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int iMpg123_ret = NULL;
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iMpg123_ret = mpg123_init();
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if ( MPG123_OK != iMpg123_ret )
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{
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return false;
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}
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bool ret = ALFWInitOpenAL();
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if (!ret)
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{
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ALFWShutdown();
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}
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//By default AL_SOURCE_DISTANCE_MODEL is disable, so all sources use the
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//same distance model that set to context.But we need every source have
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//its own distance model, so we enable AL_SOURCE_DISTANCE_MODEL.
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alEnable(AL_SOURCE_DISTANCE_MODEL);
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if (alGetError() != AL_NO_ERROR)
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{
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ALFWShutdown();
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return false;
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}
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return ret;
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}
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//------------------------------------------------------------------------------
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void SoundSystemOpenAL::ReleaseSoundSystem()
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{
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//Must release all allocated resource before sound system shutdown.
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SizeT size = mSoundSourceContainer.Size();
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for (SizeT i = 0; i < size; i++)
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{
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mSoundSourceContainer[i]->InternalReleaseSource();
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}
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mSoundSourceContainer.Clear();
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size = mSoundBufferContainer.Size();
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for (SizeT i = 0; i < size; i++)
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{
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mSoundBufferContainer[i]->InternalReleaseBuffer();
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}
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mSoundBufferContainer.Clear();
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ALFWShutdownOpenAL();
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ALFWShutdown();
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#ifndef __OSX__
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alc_deinit();
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#endif
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::CreateSoundBuffer(const char* nameOrData, SizeT dataSize,
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SoundBuffer **soundBuffer,
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GENESISOUND_MODE mode,
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GENESIS_FILE_FORMAT fileFormat)
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{
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n_warning("Enter the CreateSoundBuffer happing\n");
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GPtr< SoundBufferOpenAL > tempSoundBuffer = SoundBufferOpenAL::Create();
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tempSoundBuffer->SetBufferMode(mode);
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tempSoundBuffer->SetFileFormat(fileFormat);
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bool bOpenMemory = (GENESISSOUND_OPENMEMORY == (mode & GENESISSOUND_OPENMEMORY));
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bool bCreateStream = (GENESISSOUND_CREATESTREAM == (mode & GENESISSOUND_CREATESTREAM));
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SoundBuffer::BufferInfo bufferInfo;
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if (bCreateStream)
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{
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//Create file stream
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GPtr<IO::MemoryReader> pMemoryData = IO::MemoryReader::Create();
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pMemoryData->SetAccessMode( IO::Stream::ReadWriteAccess );
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pMemoryData->Open();
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pMemoryData->Write(nameOrData, dataSize);
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pMemoryData->Seek(0,IO::Stream::Begin);
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if ( fileFormat & GENESIS_FILE_FORMAT_OGG )
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{
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// Open Ogg Stream
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ov_callbacks sCallbacks;
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OggVorbis_File *sOggVorbisFile = new OggVorbis_File();
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vorbis_info *psVorbisInfo;
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sCallbacks.read_func = ReadOggMemoryStream;
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sCallbacks.seek_func = SeekOggMemoryStream;
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sCallbacks.close_func = CloseOggMemoryStream;
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sCallbacks.tell_func = TellOggMemoryStream;
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if (ov_open_callbacks(pMemoryData.get(), sOggVorbisFile, NULL, NULL, sCallbacks))
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{
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pMemoryData->Close();
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ov_clear(sOggVorbisFile);
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return false;
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}
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psVorbisInfo = ov_info(sOggVorbisFile, -1);
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if ( !psVorbisInfo )
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{
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pMemoryData->Close();
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ov_clear(sOggVorbisFile);
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return false;
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}
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bufferInfo.frequency = psVorbisInfo->rate;
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bufferInfo.channels = psVorbisInfo->channels;
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SetBufferInfo(bufferInfo);
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if ( !bufferInfo.format )
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{
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pMemoryData->Close();
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ov_clear(sOggVorbisFile);
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return false;
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}
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// Allocate a buffer to be used to store decoded data for all Buffers
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unsigned char* pDecodeBuffer = (unsigned char*)malloc(bufferInfo.bufferSize);
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if (!pDecodeBuffer)
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{
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pMemoryData->Close();
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ov_clear(sOggVorbisFile);
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return false;
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}
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tempSoundBuffer->SetBufferFormat(bufferInfo.format);
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tempSoundBuffer->SetBufferFrequency(bufferInfo.frequency);
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tempSoundBuffer->SetBufferChannelCount(bufferInfo.channels);
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tempSoundBuffer->SetDecodeBufferSize(bufferInfo.bufferSize);
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tempSoundBuffer->SetDecodeBuffer(pDecodeBuffer);
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// TODO Move to the soundBuffer
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ALuint *g_Buffers = new ALuint[NUM_BUFFERS];
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// Generate some AL Buffers for streaming
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alGenBuffers(NUM_BUFFERS, g_Buffers);
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tempSoundBuffer->SetQueueBuffers(g_Buffers);
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// set vorbis
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tempSoundBuffer->SetOggHandle(sOggVorbisFile);
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tempSoundBuffer->SetMemoryStream(pMemoryData);
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}
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else if( fileFormat & GENESIS_FILE_FORMAT_MP3 )
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{
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n_warning("In the mp3 fileformate");
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int iMpg123_ret = NULL;
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//open a default mpg123 decoder
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mpg123_handle *mpg123 ;
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mpg123 = mpg123_new(mpg123_decoders()[0], &iMpg123_ret);
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n_warning("Is mpg123_handle OK ??? %s\n", NULL == mpg123 ? "FAILED":"SUCCESS");
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if ( NULL == mpg123)
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{
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mpg123_exit();
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return false;
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}
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tempSoundBuffer->SetMpg123Handle(mpg123);
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int iMpg123_ret2;
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iMpg123_ret = mpg123_replace_reader_handle(mpg123, ReadMP3MemoryStream, LseekMP3MemoryStream, CleanupMP3MemoryStream);
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iMpg123_ret2 = mpg123_open_handle( mpg123, pMemoryData.get() );
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n_warning("Is open handle OK ??? %s\n", MPG123_OK != iMpg123_ret || iMpg123_ret2!= MPG123_OK ? "FAILED":"SUCCESS");
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if ( MPG123_OK != iMpg123_ret || MPG123_OK != iMpg123_ret2)
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{
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pMemoryData->Close();
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CleanupMpg123(mpg123);
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return false;
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}
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tempSoundBuffer->SetMemoryStream(pMemoryData);
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//get mp3 format infomation
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long lSampleRate;
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int iEncoding, iChannels;
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iMpg123_ret = mpg123_getformat(mpg123, &lSampleRate, &iChannels, &iEncoding);
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n_warning("Is read format OK ??? %s\n", MPG123_OK != iMpg123_ret ? "FAILED":"SUCCESS");
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if ( MPG123_OK != iMpg123_ret)
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{
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pMemoryData->Close();
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CleanupMpg123(mpg123);
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return false;
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}
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bufferInfo.frequency = lSampleRate;
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bufferInfo.channels = iChannels;
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SetBufferInfo(bufferInfo);
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if (!bufferInfo.format)
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{
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pMemoryData->Close();
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CleanupMpg123(mpg123);
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return false;
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}
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tempSoundBuffer->SetBufferChannelCount(bufferInfo.channels);
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tempSoundBuffer->SetBufferFormat(bufferInfo.format);
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tempSoundBuffer->SetBufferFrequency(bufferInfo.frequency);
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// Allocate a buffer to be used to store decoded data for all Buffers
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unsigned char *pDecodeBuffer = (unsigned char *)malloc(bufferInfo.bufferSize);
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if (!pDecodeBuffer)
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{
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pMemoryData->Close();
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CleanupMpg123(mpg123);
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return false;
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}
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tempSoundBuffer->SetDecodeBuffer(pDecodeBuffer);
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tempSoundBuffer->SetDecodeBufferSize(bufferInfo.bufferSize);
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ALuint *g_Buffers = new ALuint[NUM_BUFFERS];
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alGenBuffers(NUM_BUFFERS, g_Buffers);
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tempSoundBuffer->SetQueueBuffers(g_Buffers);
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}
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}
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else
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{
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ALuint uiBuffer = NULL;
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// Generate an AL Buffer.
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//Buffer's release is in function'bool SoundBufferOpenAL::Release()'.
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alGenBuffers( 1, &uiBuffer );
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bool ret = ALFWLoadWaveToBuffer(nameOrData, dataSize, uiBuffer, 0, bOpenMemory);
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if ( !ret )
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return false;
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tempSoundBuffer->SetBuffer(&uiBuffer);
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}
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mSoundBufferContainer.Append( tempSoundBuffer.upcast<SoundBuffer>() );
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*soundBuffer = tempSoundBuffer.get();
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return true;
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}
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//------------------------------------------------------------------------------
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void SoundSystemOpenAL::SetBufferInfo( SoundBuffer::BufferInfo& bufferInfo )
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{
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if (bufferInfo.channels == 1)
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{
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bufferInfo.format = AL_FORMAT_MONO16;
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// Set BufferSize to 250ms (Frequency * 2 (16bit) divided by 4 (quarter of a second))
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bufferInfo.bufferSize = bufferInfo.frequency >> 1;
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// IMPORTANT : The Buffer Size must be an exact multiple of the BlockAlignment ...
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bufferInfo.bufferSize -= (bufferInfo.bufferSize % 2);
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}
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else if (bufferInfo.channels == 2)
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{
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bufferInfo.format = AL_FORMAT_STEREO16;
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// Set BufferSize to 250ms (Frequency * 4 (16bit stereo) divided by 4 (quarter of a second))
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bufferInfo.bufferSize = bufferInfo.frequency;
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// IMPORTANT : The Buffer Size must be an exact multiple of the BlockAlignment ...
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bufferInfo.bufferSize -= (bufferInfo.bufferSize % 4);
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}
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else if (bufferInfo.channels == 4)
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{
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bufferInfo.format = alGetEnumValue("AL_FORMAT_QUAD16");
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// Set BufferSize to 250ms (Frequency * 8 (16bit 4-channel) divided by 4 (quarter of a second))
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bufferInfo.bufferSize = bufferInfo.frequency * 2;
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// IMPORTANT : The Buffer Size must be an exact multiple of the BlockAlignment ...
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bufferInfo.bufferSize -= (bufferInfo.bufferSize % 8);
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}
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else if (bufferInfo.channels == 6)
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{
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bufferInfo.format = alGetEnumValue("AL_FORMAT_51CHN16");
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// Set BufferSize to 250ms (Frequency * 12 (16bit 6-channel) divided by 4 (quarter of a second))
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bufferInfo.bufferSize = bufferInfo.frequency * 3;
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// IMPORTANT : The Buffer Size must be an exact multiple of the BlockAlignment ...
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bufferInfo.bufferSize -= (bufferInfo.bufferSize % 12);
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}
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::PlaySound(SoundBuffer* soundBuffer, SoundSystemSource **ssSource, bool paused)
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{
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ALuint uiSource = NULL;
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// Generate a Source to playback the Buffer
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alGenSources( 1, &uiSource );
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GPtr< SoundSystemSourceOpenAL > tempSoundSource = SoundSystemSourceOpenAL::Create();
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GENESISOUND_MODE mode = soundBuffer->GetBufferMode();
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GENESIS_FILE_FORMAT fileFormat = soundBuffer->GetFileFormat();
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if (mode & GENESISSOUND_CREATESTREAM)
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{
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if ( fileFormat & GENESIS_FILE_FORMAT_MP3 )
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{
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size_t ulBytesWritten = NULL;
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int iMpg123_ret = NULL;
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mpg123_handle *mpg123 = soundBuffer->GetMpg123Handle();
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unsigned char *pDecodeBuffer = soundBuffer->GetDecodeBuffer();
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unsigned long ulBufferSize = soundBuffer->GetDecodeBufferSize();
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ALuint * queueBuffers = soundBuffer->GetQueueBuffers();
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ALuint ulFormat = soundBuffer->GetBufferFormat();
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unsigned long ulFrequency = soundBuffer->GetBufferFrequency();
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for(int iLoop = 0; iLoop < NUM_BUFFERS; iLoop++)
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{
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iMpg123_ret = mpg123_read(mpg123, pDecodeBuffer, ulBufferSize,&ulBytesWritten);
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if (iMpg123_ret == MPG123_OK)
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{
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alBufferData(queueBuffers[iLoop], ulFormat, pDecodeBuffer, ulBytesWritten, ulFrequency);
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alSourceQueueBuffers(uiSource, 1, &queueBuffers[iLoop]);
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}
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else
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{
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tempSoundSource->SetDecode(false);
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break;
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}
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}
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}
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else if ( fileFormat & GENESIS_FILE_FORMAT_OGG )
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{
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size_t ulBytesWritten = NULL;
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OggVorbis_File *oggHandle = soundBuffer->GetOggHandle();
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unsigned char *pDecodeBuffer = soundBuffer->GetDecodeBuffer();
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unsigned long ulBufferSize = soundBuffer->GetDecodeBufferSize();
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ALuint * queueBuffers = soundBuffer->GetQueueBuffers();
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ALuint ulFormat = soundBuffer->GetBufferFormat();
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unsigned long ulFrequency = soundBuffer->GetBufferFrequency();
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unsigned long ulChannels = soundBuffer->GetBufferChannelCount();
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// Fill all the Buffers with decoded audio data from the OggVorbis file
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for (int iLoop = 0; iLoop < NUM_BUFFERS; iLoop++)
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{
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ulBytesWritten = tempSoundSource->DecodeOggVorbis(oggHandle, (char*)pDecodeBuffer, ulBufferSize, ulChannels);
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if (ulBytesWritten)
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{
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alBufferData(queueBuffers[iLoop], ulFormat, pDecodeBuffer, ulBytesWritten, ulFrequency);
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alSourceQueueBuffers(uiSource, 1, &queueBuffers[iLoop]);
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}
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else
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{
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tempSoundSource->SetDecode(false);
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break;
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}
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}
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}
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}
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else
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{
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// Attach Source to Buffer
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void *vpBuffer = soundBuffer->GetBuffer();
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ALuint *pBuffer = NULL;
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pBuffer = (ALuint*)(vpBuffer);
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alSourcei( uiSource, AL_BUFFER, *pBuffer);
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}
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tempSoundSource->SetSource(&uiSource);
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tempSoundSource->SetSoundBuffer(soundBuffer);
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mSoundSourceContainer.Append( tempSoundSource.upcast<SoundSystemSource>() );
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*ssSource = tempSoundSource.get();
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tempSoundSource->SetPaused(paused);
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return true;
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::ReleaseSingleSource(SoundSystemSource *source)
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{
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bool ret = false;
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SizeT size = mSoundSourceContainer.Size();
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for (SizeT i = size - 1; i >= 0; --i)
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{
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if (mSoundSourceContainer[i].get() == source)
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{
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ret = mSoundSourceContainer[i]->InternalReleaseSource();
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if (!ret)
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{
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return ret;
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}
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mSoundSourceContainer.EraseIndex(i);
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break;
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}
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}
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return ret;
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::ReleaseSingleBuffer(SoundBuffer *buffer)
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{
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bool ret = false;
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SizeT size = mSoundBufferContainer.Size();
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for (SizeT i = size - 1; i >= 0; --i)
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{
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if (mSoundBufferContainer[i].get() == buffer)
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{
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ret = mSoundBufferContainer[i]->InternalReleaseBuffer();
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if (!ret)
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return ret;
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mSoundBufferContainer.EraseIndex(i);
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break;
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}
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}
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return ret;
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}
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//------------------------------------------------------------------------------
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void SoundSystemOpenAL::CleanupMpg123(mpg123_handle *mh)
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{
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mpg123_delete(mh);
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mpg123_exit();
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::SetListenerAttrs(int listener,
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const Math::vector& pos,
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const Math::vector& v,
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const Math::vector& forward,
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const Math::vector& up)
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{
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ALfloat listenerPos[] = {pos.x(), pos.y(), pos.z()};
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ALfloat listenerVel[] = {v.x(), v.y(), v.z()};
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ALfloat listenerOri[] = {forward.x(), forward.y(), forward.z(), up.x(), up.y(), up.z()};
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// Position
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alListenerfv(AL_POSITION,listenerPos);
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if (alGetError() != AL_NO_ERROR)
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{
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return false;
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}
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// Velocity
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alListenerfv(AL_VELOCITY,listenerVel);
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if (alGetError() != AL_NO_ERROR)
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{
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return false;
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}
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// Orientation
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alListenerfv(AL_ORIENTATION,listenerOri);
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if (alGetError() != AL_NO_ERROR)
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{
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return false;
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}
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return true;
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}
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//------------------------------------------------------------------------------
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bool SoundSystemOpenAL::createDSPByType( ALuint type, GPtr<SoundSystemDSP>& dsp )
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{
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dsp = SoundSystemDSPOpenAL::Create();
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bool result = dsp->init(type);
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return result;
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}
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}
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//------------------------------------------------------------------------------
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ssize_t ReadMP3MemoryStream(void *handle, void *buf, size_t sz)
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{
|
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ssize_t ret;
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IO::MemoryStream *pData = static_cast< IO::MemoryStream* >(handle);
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ret = pData->Read(buf, sz);
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return ret;
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}
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//------------------------------------------------------------------------------
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off_t LseekMP3MemoryStream(void *handle, off_t offset, int whence)
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{
|
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IO::MemoryStream *pData = static_cast< IO::MemoryStream* >(handle);
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switch (whence)
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{
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case 0:
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pData->Seek(offset, IO::Stream::Begin);
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break;
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case 2:
|
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pData->Seek(offset, IO::Stream::End);
|
|
break;
|
|
default:
|
|
pData->Seek(offset, IO::Stream::Current);
|
|
}
|
|
off_t ret = pData->GetPosition();
|
|
return ret;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
void CleanupMP3MemoryStream(void *handle)
|
|
{
|
|
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
size_t ReadOggMemoryStream( void *ptr, size_t size, size_t nmemb, void *datasource )
|
|
{
|
|
ssize_t ret;
|
|
IO::MemoryStream* pData = static_cast< IO::MemoryStream* >(datasource);
|
|
ret = pData->Read(ptr, nmemb);
|
|
return ret;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
int SeekOggMemoryStream( void *datasource, ogg_int64_t offset, int whence )
|
|
{
|
|
IO::MemoryStream *pData = static_cast< IO::MemoryStream* >(datasource);
|
|
switch (whence)
|
|
{
|
|
case SEEK_SET:
|
|
pData->Seek((int)offset, IO::Stream::Begin);
|
|
break;
|
|
case SEEK_CUR:
|
|
pData->Seek((int)offset, IO::Stream::Current);
|
|
break;
|
|
case SEEK_END:
|
|
pData->Seek((int)offset, IO::Stream::End);
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
int CloseOggMemoryStream( void *datasource )
|
|
{
|
|
return NULL;
|
|
}
|
|
//------------------------------------------------------------------------------
|
|
long TellOggMemoryStream( void *datasource )
|
|
{
|
|
IO::MemoryStream *pData = static_cast< IO::MemoryStream* >(datasource);
|
|
size_t position = pData->GetPosition();
|
|
return position;
|
|
}
|
|
|
|
|
|
#endif // __USE_AUDIO__ || __GENESIS_EDITOR__
|