kaetemi
13 years ago
parent
8491bd4829
commit
c4adc53a0f
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdxaudio2.h"
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// Project includes
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#include "sound_driver_xaudio2.h"
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#include "music_channel_xaudio2.h"
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using namespace std;
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using namespace NLMISC;
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namespace NLSOUND {
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CMusicChannelXAudio2::CMusicChannelXAudio2(CSoundDriverXAudio2 *soundDriver)
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: _MusicBuffer(NULL), _SourceVoice(NULL), _BufferPos(0), _SoundDriver(soundDriver), _Gain(1.0)
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{
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nlwarning(NLSOUND_XAUDIO2_PREFIX "Initializing CMusicChannelXAudio2");
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stop();
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}
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CMusicChannelXAudio2::~CMusicChannelXAudio2()
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{
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release();
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if (_SoundDriver) { _SoundDriver->removeMusicChannel(this); _SoundDriver = NULL; }
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nlwarning(NLSOUND_XAUDIO2_PREFIX "Destroying CMusicChannelXAudio2");
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}
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void CMusicChannelXAudio2::release()
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{
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nlwarning(NLSOUND_XAUDIO2_PREFIX "Releasing CMusicChannelXAudio2");
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stop();
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}
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/** Play some music (.ogg etc...)
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* NB: if an old music was played, it is first stop with stopMusic()
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* \param filepath file path, CPath::lookup is done here
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* \param async stream music from hard disk, preload in memory if false
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* \param loop must be true to play the music in loop.
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*/
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bool CMusicChannelXAudio2::play(const std::string &filepath, bool async, bool loop)
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{
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// nlinfo(NLSOUND_XAUDIO2_PREFIX "play %s %u", filepath.c_str(), (uint32)loop);
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_SoundDriver->performanceIncreaseMusicPlayCounter();
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HRESULT hr;
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stop();
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_MusicBuffer = IMusicBuffer::createMusicBuffer(filepath, async, loop);
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if (_MusicBuffer)
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{
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WAVEFORMATEX wfe;
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wfe.cbSize = 0;
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wfe.wFormatTag = WAVE_FORMAT_PCM; // todo: getFormat();
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wfe.nChannels = _MusicBuffer->getChannels();
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wfe.wBitsPerSample = _MusicBuffer->getBitsPerSample();
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wfe.nSamplesPerSec = _MusicBuffer->getSamplesPerSec();
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wfe.nBlockAlign = wfe.nChannels * wfe.wBitsPerSample / 8;
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wfe.nAvgBytesPerSec = wfe.nSamplesPerSec * wfe.nBlockAlign;
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XAUDIO2_VOICE_DETAILS voice_details;
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_SoundDriver->getMasteringVoice()->GetVoiceDetails(&voice_details);
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// nlinfo(NLSOUND_XAUDIO2_PREFIX "Creating music voice with %u channels, %u bits per sample, %u samples per sec, "
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// "on mastering voice with %u channels, %u samples per sec",
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// (uint32)wfe.nChannels, (uint32)wfe.wBitsPerSample, (uint32)wfe.nSamplesPerSec,
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// (uint32)voice_details.InputChannels, (uint32)voice_details.InputSampleRate);
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if (FAILED(hr = _SoundDriver->getXAudio2()->CreateSourceVoice(&_SourceVoice, &wfe, XAUDIO2_VOICE_NOPITCH, 1.0f, this, NULL, NULL)))
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{
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nlwarning(NLSOUND_XAUDIO2_PREFIX "FAILED CreateSourceVoice");
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stop(); return false;
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}
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_SourceVoice->SetVolume(_Gain);
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_SourceVoice->Start(0);
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}
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else
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{
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nlwarning(NLSOUND_XAUDIO2_PREFIX "no _MusicBuffer");
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return false;
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}
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return true;
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}
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/// Stop the music previously loaded and played (the Memory is also freed)
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void CMusicChannelXAudio2::stop()
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{
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if (_SourceVoice) { _SourceVoice->DestroyVoice(); _SourceVoice = NULL; }
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if (_MusicBuffer) { delete _MusicBuffer; _MusicBuffer = NULL; }
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// memset(_Buffer, 0, sizeof(_Buffer));
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_BufferPos = 0;
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}
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/** Pause the music previously loaded and played (the Memory is not freed)
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*/
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void CMusicChannelXAudio2::pause()
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{
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if (_SourceVoice) _SourceVoice->Stop(0);
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}
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/// Resume the music previously paused
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void CMusicChannelXAudio2::resume()
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{
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if (_SourceVoice) _SourceVoice->Start(0);
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}
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/// Return true if a song is finished.
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bool CMusicChannelXAudio2::isEnded()
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{
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if (_MusicBuffer)
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{
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if (!_MusicBuffer->isMusicEnded())
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return false;
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}
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if (_SourceVoice)
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{
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XAUDIO2_VOICE_STATE voice_state;
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_SourceVoice->GetState(&voice_state);
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if (voice_state.BuffersQueued)
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{
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// nldebug(NLSOUND_XAUDIO2_PREFIX "isEnded() -> voice_state.BuffersQueued, wait ...");
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return false;
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}
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}
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// nldebug(NLSOUND_XAUDIO2_PREFIX "isEnded() -> stop()");
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stop();
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return true;
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}
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/// Return true if the song is still loading asynchronously and hasn't started playing yet (false if not async), used to delay fading
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bool CMusicChannelXAudio2::isLoadingAsync()
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{
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return false;
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}
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/// Return the total length (in second) of the music currently played
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float CMusicChannelXAudio2::getLength()
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{
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if (_MusicBuffer) return _MusicBuffer->getLength();
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else return .0f;
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}
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/** Set the music volume (if any music played). (volume value inside [0 , 1]) (default: 1)
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* NB: the volume of music is NOT affected by IListener::setGain()
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*/
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void CMusicChannelXAudio2::setVolume(float gain)
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{
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_Gain = gain;
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if (_SourceVoice) _SourceVoice->SetVolume(gain);
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}
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void CMusicChannelXAudio2::OnVoiceProcessingPassStart(UINT32 BytesRequired)
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{
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if (BytesRequired > 0)
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{
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// nlwarning(NLSOUND_XAUDIO2_PREFIX "Bytes Required: %u", BytesRequired); // byte req to not have disruption
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if (_MusicBuffer)
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{
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uint32 minimum = BytesRequired * 2; // give some more than required :p
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if (_MusicBuffer->getRequiredBytes() > minimum) minimum = _MusicBuffer->getRequiredBytes();
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if (minimum > sizeof(_Buffer) - _BufferPos) _BufferPos = 0;
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uint32 maximum = sizeof(_Buffer) - _BufferPos;
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uint8 *buffer = &_Buffer[_BufferPos];
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uint32 length = _MusicBuffer->getNextBytes(buffer, minimum, maximum);
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_BufferPos += length;
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if (length)
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{
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XAUDIO2_BUFFER xbuffer;
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xbuffer.AudioBytes = length;
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xbuffer.Flags = 0;
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xbuffer.LoopBegin = 0;
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xbuffer.LoopCount = 0;
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xbuffer.LoopLength = 0;
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xbuffer.pAudioData = buffer;
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xbuffer.pContext = NULL; // nothing here for now
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xbuffer.PlayBegin = 0;
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xbuffer.PlayLength = 0;
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_SourceVoice->SubmitSourceBuffer(&xbuffer);
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}
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else
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{
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// nldebug(NLSOUND_XAUDIO2_PREFIX "!length -> delete _MusicBuffer");
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// set member var to null before deleting it to avoid crashing main thread
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IMusicBuffer *music_buffer = _MusicBuffer;
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_MusicBuffer = NULL; delete music_buffer;
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_SourceVoice->Discontinuity();
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}
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}
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}
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}
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void CMusicChannelXAudio2::OnVoiceProcessingPassEnd()
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{
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}
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void CMusicChannelXAudio2::OnStreamEnd()
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{
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}
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void CMusicChannelXAudio2::OnBufferStart(void * /* pBufferContext */)
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{
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}
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void CMusicChannelXAudio2::OnBufferEnd(void * /* pBufferContext */)
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{
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}
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void CMusicChannelXAudio2::OnLoopEnd(void * /* pBufferContext */)
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{
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}
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void CMusicChannelXAudio2::OnVoiceError(void * /* pBufferContext */, HRESULT /* Error */)
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{
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}
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} /* namespace NLSOUND */
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/* end of file */
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@ -1,117 +0,0 @@
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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NLSOUND_MUSIC_CHANNEL_XAUDIO2_H
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#define NLSOUND_MUSIC_CHANNEL_XAUDIO2_H
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#include <nel/sound/driver/music_channel.h>
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namespace NLSOUND {
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class CSoundDriverXAudio2;
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class IMusicBuffer;
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/**
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* \brief CMusicChannelXAudio2
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* \date 2008-08-30 13:31GMT
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* \author Jan Boon (Kaetemi)
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* CMusicChannelXAudio2 is an implementation of the IMusicChannel interface to run on XAudio2.
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* TODO: Properly decode the audio on a seperate thread.
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* TODO: Change IMusicChannel to IAudioStream, and fix the interface to make more sense.
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*/
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class CMusicChannelXAudio2 : public IMusicChannel, IXAudio2VoiceCallback
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{
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protected:
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// outside pointers
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CSoundDriverXAudio2 *_SoundDriver;
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// pointers
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IMusicBuffer *_MusicBuffer;
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IXAudio2SourceVoice *_SourceVoice;
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// todo: thread for async loading of music buffer and source voice
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// isasyncloading checks if thread exists
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// isended checks if not async loading too
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// instances
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uint8 _Buffer[64 * 1024]; // no specific reason, lol
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uint32 _BufferPos; // 0
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float _Gain;
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public:
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CMusicChannelXAudio2(CSoundDriverXAudio2 *soundDriver);
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virtual ~CMusicChannelXAudio2();
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void release();
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private:
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// XAudio2 Callbacks
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// Called just before this voice's processing pass begins.
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STDMETHOD_(void, OnVoiceProcessingPassStart) (THIS_ UINT32 BytesRequired);
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// Called just after this voice's processing pass ends.
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STDMETHOD_(void, OnVoiceProcessingPassEnd) (THIS);
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// Called when this voice has just finished playing a buffer stream
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// (as marked with the XAUDIO2_END_OF_STREAM flag on the last buffer).
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STDMETHOD_(void, OnStreamEnd) (THIS);
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// Called when this voice is about to start processing a new buffer.
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STDMETHOD_(void, OnBufferStart) (THIS_ void* pBufferContext);
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// Called when this voice has just finished processing a buffer.
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// The buffer can now be reused or destroyed.
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STDMETHOD_(void, OnBufferEnd) (THIS_ void* pBufferContext);
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// Called when this voice has just reached the end position of a loop.
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STDMETHOD_(void, OnLoopEnd) (THIS_ void* pBufferContext);
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// Called in the event of a critical error during voice processing,
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// such as a failing XAPO or an error from the hardware XMA decoder.
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// The voice may have to be destroyed and re-created to recover from
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// the error. The callback arguments report which buffer was being
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// processed when the error occurred, and its HRESULT code.
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STDMETHOD_(void, OnVoiceError) (THIS_ void* pBufferContext, HRESULT Error);
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public:
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/** Play some music (.ogg etc...)
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* NB: if an old music was played, it is first stop with stopMusic()
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* \param filepath file path, CPath::lookup is done here
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* \param async stream music from hard disk, preload in memory if false
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* \param loop must be true to play the music in loop.
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*/
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virtual bool play(const std::string &filepath, bool async, bool loop);
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/// Stop the music previously loaded and played (the Memory is also freed)
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virtual void stop();
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/// Pause the music previously loaded and played (the Memory is not freed)
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virtual void pause();
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/// Resume the music previously paused
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virtual void resume();
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/// Return true if a song is finished.
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virtual bool isEnded();
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/// Return true if the song is still loading asynchronously and hasn't started playing yet (false if not async), used to delay fading
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virtual bool isLoadingAsync();
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/// Return the total length (in second) of the music currently played
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virtual float getLength();
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/** Set the music volume (if any music played). (volume value inside [0 , 1]) (default: 1)
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* NB: the volume of music is NOT affected by IListener::setGain()
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*/
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virtual void setVolume(float gain);
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}; /* class CMusicChannelXAudio2 */
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} /* namespace NLSOUND */
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#endif /* #ifndef NLSOUND_MUSIC_CHANNEL_XAUDIO2_H */
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/* end of file */
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