X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FSound.cc;h=ffa270e9e9876768669cd7ca3bdf850d46b5b09c;hp=4cb291300850dec5c29e38a1808c42a986287789;hb=2f239b9ba2a556a5ca810cfffc60552a56a4fe86;hpb=ca0f7bdfba63140dca0bd20586d31980f3938eb2 diff --git a/src/Moof/Sound.cc b/src/Moof/Sound.cc index 4cb2913..ffa270e 100644 --- a/src/Moof/Sound.cc +++ b/src/Moof/Sound.cc @@ -1,42 +1,29 @@ -/******************************************************************************* - - Copyright (c) 2009, Charles McGarvey - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*******************************************************************************/ +/*] Copyright (c) 2009-2010, Charles McGarvey [************************** +**] All rights reserved. +* +* vi:ts=4 sw=4 tw=75 +* +* Distributable under the terms and conditions of the 2-clause BSD license; +* see the file COPYING for a complete text of the license. +* +**************************************************************************/ #include +#include +#include #include -#include -#include + +#include #include +#include #include #include +#include "Error.hh" +#include "Manager.hh" #include "Log.hh" -#include "Mippleton.hh" #include "Sound.hh" #include "Timer.hh" @@ -46,8 +33,9 @@ namespace Mf { -struct Sound::Impl +class Sound::Impl { +public: static ALenum getAudioFormat(const vorbis_info* audioInfo) { @@ -55,71 +43,59 @@ struct Sound::Impl else return AL_FORMAT_STEREO16; } + class Buffer; typedef boost::shared_ptr BufferP; - class Buffer : public Mippleton + class Buffer : public Manager { - OggVorbis_File oggStream; - ALenum audioFormat; - ALsizei audioFreq; - std::vector objects; - public: - Buffer(const std::string& name) : - Mippleton(name) + Buffer() : + mBuffer(-1) { - oggStream.datasource = 0; - openFile(); + mOggStream.datasource = 0; } ~Buffer() { - while (!objects.empty()) - { - alDeleteBuffers(1, &objects.back()); - objects.pop_back(); - } - - if (oggStream.datasource) + if (mOggStream.datasource) { - ov_clear(&oggStream); + ov_clear(&mOggStream); } + if (int(mBuffer) != -1) alDeleteBuffers(1, &mBuffer); } - void openFile() + void init(const std::string& name) { - if (oggStream.datasource) + if (mOggStream.datasource) { - ov_clear(&oggStream); - oggStream.datasource = 0; + ov_clear(&mOggStream); + mOggStream.datasource = 0; } - std::string filePath = Sound::getPath(getName()); - int result = ov_fopen((char*)filePath.c_str(), &oggStream); - - if (result < 0) + std::string path(name); + if (!Sound::getPath(path)) { - logWarning("error while loading sound %s", - getName().c_str()); - throw Exception(Exception::BAD_AUDIO_FORMAT); + Error(Error::RESOURCE_NOT_FOUND, path).raise(); } - vorbis_info* vorbisInfo = ov_info(&oggStream, -1); - audioFormat = getAudioFormat(vorbisInfo); - audioFreq = vorbisInfo->rate; + if (ov_fopen((char*)path.c_str(), &mOggStream) < 0) + { + Error(Error::UNKNOWN_AUDIO_FORMAT, path).raise(); + } - logDebug(" channels: %d", vorbisInfo->channels); - logDebug(" frequency: %d", vorbisInfo->rate); + vorbis_info* vorbisInfo = ov_info(&mOggStream, -1); + mFormat = getAudioFormat(vorbisInfo); + mFreq = vorbisInfo->rate; } void loadAll(ALuint source) { - if (!oggStream.datasource) openFile(); - if (!oggStream.datasource) return; + if (!mOggStream.datasource) init(getName()); + if (!mOggStream.datasource) return; char data[BUFFER_SIZE]; int size = 0; @@ -127,7 +103,7 @@ struct Sound::Impl for (;;) { int section; - int result = ov_read(&oggStream, data + size, + int result = ov_read(&mOggStream, data + size, BUFFER_SIZE - size, 0, 2, 1, §ion); if (result > 0) @@ -142,65 +118,30 @@ struct Sound::Impl } if (size == 0) { - logWarning("decoded no bytes from %s", getName().c_str()); - //throw Exception(Exception::FILE_NOT_FOUND); + logWarning << "decoded no bytes from " + << getName() << std::endl; return; } - ALuint obj; - alGenBuffers(1, &obj); - - alBufferData(obj, audioFormat, data, size, audioFreq); + alGenBuffers(1, &mBuffer); - objects.push_back(obj); - - alSourcei(source, AL_BUFFER, obj); - - // don't need this anymore - ov_clear(&oggStream); - oggStream.datasource = 0; - } - - - void beginStream(ALuint source, int nBuffers = 8) - { - if (!oggStream.datasource) openFile(); - if (!oggStream.datasource) return; - - ALuint objs[nBuffers]; - alGenBuffers(nBuffers, objs); - - for (int i = 0; i < nBuffers; ++i) - { - objects.push_back(objs[i]); - stream(objs[i]); - } + alBufferData(mBuffer, mFormat, data, size, mFreq); + alSourcei(source, AL_BUFFER, mBuffer); - alSourceQueueBuffers(source, nBuffers, objs); + // don't need to keep this loaded + ov_clear(&mOggStream); + mOggStream.datasource = 0; } - enum StreamStatus - { - STREAM_OK = 0, - STREAM_EOF = 1, - STREAM_WRONG = 2 - }; - - StreamStatus stream(ALuint buffer) + bool stream(ALuint buffer) { - std::vector::iterator it = - std::find(objects.begin(), objects.end(), buffer); - - // that buffer doesn't belong to us - if (it == objects.end()) return STREAM_WRONG; - char data[BUFFER_SIZE]; int size = 0; while (size < BUFFER_SIZE) { int section; - int result = ov_read(&oggStream, data + size, + int result = ov_read(&mOggStream, data + size, BUFFER_SIZE - size, 0, 2, 1, §ion); if (result > 0) @@ -214,358 +155,413 @@ struct Sound::Impl } } - if (size == 0) return STREAM_EOF; + if (size == 0) return false; - alBufferData(buffer, audioFormat, data, size, audioFreq); + alBufferData(buffer, mFormat, data, size, mFreq); - return STREAM_OK; + return true; } - inline void rewind() + void rewind() { - if (!oggStream.datasource) openFile(); - else ov_raw_seek(&oggStream, 0); + if (!mOggStream.datasource) init(getName()); + else ov_raw_seek(&mOggStream, 0); } - // delete unused buffers, return true if all buffers deleted - inline bool clear() - { - // clear any openal errors - alGetError(); - - while (!objects.empty()) - { - ALuint buffer = objects.back(); - alDeleteBuffers(1, &buffer); + private: - // if an error occured, the buffer was not deleted because it's - // still in use by some source - if (alGetError() != AL_NO_ERROR) return false; + OggVorbis_File mOggStream; + ALenum mFormat; + ALsizei mFreq; + ALuint mBuffer; + }; - objects.pop_back(); - } - return true; - } - }; + Impl() + { + init(); + } + Impl(const std::string& name) + { + init(); + enqueue(name); + } - Impl(const std::string& name) : - buffer_(Buffer::getInstance(name)), - playing_(false), - looping_(false) + void init() { + retainBackend(); + + mIsLoaded = false; + mIsPlaying = false; + mIsLooping = false; + + alGenSources(1, &mSource); + ALfloat zero[] = {0.0f, 0.0f, 0.0f}; - - alGenSources(1, &source_); + alSourcef(mSource, AL_PITCH, 1.0f); + alSourcef(mSource, AL_GAIN, 1.0f); + alSourcefv(mSource, AL_POSITION, zero); + alSourcefv(mSource, AL_VELOCITY, zero); - alSourcef(source_, AL_PITCH, 1.0f); - alSourcef(source_, AL_GAIN, 1.0f); - alSourcefv(source_, AL_POSITION, zero); - alSourcefv(source_, AL_VELOCITY, zero); + alSourcei(mSource, AL_LOOPING, mIsLooping); } ~Impl() { - alDeleteSources(1, &source_); + stop(); + + alDeleteSources(1, &mSource); + + while (!mBuffers.empty()) + { + alDeleteBuffers(1, &mBuffers.back()); + mBuffers.pop_back(); + } + + releaseBackend(); } void play() { - ALenum type; - alGetSourcei(source_, AL_SOURCE_TYPE, &type); + if (mQueue.empty()) return; - if (type != AL_STATIC) - { - buffer_->loadAll(source_); - } + if (!mIsLoaded) mQueue.front()->loadAll(mSource); - alSourcei(source_, AL_LOOPING, looping_); - alSourcePlay(source_); - playing_ = true; + alSourcePlay(mSource); + mIsLoaded = true; } - void stream() + void playStream() { - ALenum type; - alGetSourcei(source_, AL_SOURCE_TYPE, &type); + if (mQueue.empty()) return; - alSourcei(source_, AL_BUFFER, AL_NONE); - buffer_->rewind(); - buffer_->beginStream(source_); + if (!mIsPlaying) + { + alSourcei(mSource, AL_LOOPING, false); + bufferStream(); + } - alSourcei(source_, AL_LOOPING, AL_FALSE); - alSourcePlay(source_); - playing_ = true; + if (!mStreamTimer.isValid()) + { + mStreamTimer.init(boost::bind(&Impl::streamUpdate, this, _1, _2), + 1.0, Timer::REPEAT); + } - streamTimer.init(boost::bind(&Impl::streamUpdate, this, _1, _2), 1.0, - Timer::REPEAT); + alSourcePlay(mSource); + mIsPlaying = true; } - inline void update() + void bufferStream() + { + ALuint buffer; + for (int i = mBuffers.size(); i <= 8; ++i) + { + alGenBuffers(1, &buffer); + + if (mQueue.front()->stream(buffer)) + { + alSourceQueueBuffers(mSource, 1, &buffer); + mBuffers.push_back(buffer); + } + else + { + alDeleteBuffers(1, &buffer); + break; + } + } + } + + + void update() { ALint finished = 0; - alGetSourcei(source_, AL_BUFFERS_PROCESSED, &finished); + alGetSourcei(mSource, AL_BUFFERS_PROCESSED, &finished); while (finished-- > 0) { - ALuint buffer; - - alSourceUnqueueBuffers(source_, 1, &buffer); + ALuint bufferObj; + alSourceUnqueueBuffers(mSource, 1, &bufferObj); - Buffer::StreamStatus status = buffer_->stream(buffer); + BufferP buffer = mQueue.front(); + bool streamed = buffer->stream(bufferObj); - if (status == Buffer::STREAM_OK) + if (streamed) { - alSourceQueueBuffers(source_, 1, &buffer); + alSourceQueueBuffers(mSource, 1, &bufferObj); } - else if (status == Buffer::STREAM_EOF) + else { - if (!queue_.empty()) + // the buffer couldn't be streamed, so get rid of it + mQueue.pop_front(); + + if (!mQueue.empty()) { // begin the next buffer in the queue - expired_.push_back(buffer_); - buffer_ = queue_.front(); - queue_.pop(); - buffer_->beginStream(source_, 1); + mQueue.front()->rewind(); + mQueue.front()->stream(bufferObj); + alSourceQueueBuffers(mSource, 1, &bufferObj); + logInfo("loading new buffer"); + + // queue up any unused buffers + bufferStream(); } - else if (looping_) + else if (mIsLooping) { - // restart from the beginning - buffer_->rewind(); - buffer_->stream(buffer); - alSourceQueueBuffers(source_, 1, &buffer); + // reload the same buffer + mQueue.push_back(buffer); + buffer->rewind(); + buffer->stream(bufferObj); + alSourceQueueBuffers(mSource, 1, &bufferObj); + logInfo("looping same buffer"); + } + else + { + // nothing more to play, stopping... + mIsPlaying = false; + std::remove(mBuffers.begin(), mBuffers.end(), + bufferObj); } - } - else if (status == Buffer::STREAM_WRONG) - { - clear(); - buffer_->beginStream(source_, 1); } } ALenum state; - alGetSourcei(source_, AL_SOURCE_STATE, &state); + alGetSourcei(mSource, AL_SOURCE_STATE, &state); - // restart playing if we're stopped but supposed to be playing... this - // means we didn't queue enough and the audio skipped - if (playing_ && state != AL_PLAYING) + // restart playing if we're stopped but supposed to be playing... + // this means we didn't queue enough and the audio skipped :-( + if (mIsPlaying && state != AL_PLAYING) { - alSourcePlay(source_); - } - } - - inline void clear() - { - // try to remove expired buffers - std::vector::iterator it; - for (it = expired_.end() - 1; it >= expired_.begin(); --it) - { - if ((*it)->clear()) expired_.erase(it); + alSourcePlay(mSource); } } void stop() { - alSourceStop(source_); - playing_ = false; - } + alSourceStop(mSource); + mIsPlaying = false; - inline void pause() - { - alSourcePause(source_); - playing_ = false; + mStreamTimer.invalidate(); } - inline void resume() + void pause() { - alSourcePlay(source_); - playing_ = true; + alSourcePause(mSource); + mIsPlaying = false; + + mStreamTimer.invalidate(); } - inline void setSample(const std::string& name) + void setSample(const std::string& name) { - bool playing = isPlaying(); - ALenum type; - alGetSourcei(source_, AL_SOURCE_TYPE, &type); - stop(); + alSourcei(mSource, AL_BUFFER, AL_NONE); - //alSourcei(source_, AL_BUFFER, AL_NONE); - buffer_ = Buffer::getInstance(name); + mQueue.clear(); + mIsLoaded = false; - if (type == AL_STREAMING) - { - if (playing) stream(); - } - else + enqueue(name); + + while (!mBuffers.empty()) { - if (playing) play(); + alDeleteBuffers(1, &mBuffers.back()); + mBuffers.pop_back(); } } - inline void enqueue(const std::string& name) + void enqueue(const std::string& name) { BufferP buffer = Buffer::getInstance(name); - queue_.push(buffer); + mQueue.push_back(buffer); } - inline bool isPlaying() const + bool isPlaying() const { - if (playing_) return true; + if (mIsPlaying) return true; ALenum state; - alGetSourcei(source_, AL_SOURCE_STATE, &state); + alGetSourcei(mSource, AL_SOURCE_STATE, &state); return state == AL_PLAYING; } - inline void setLooping(bool looping) + void setLooping(bool looping) { - looping_ = looping; + mIsLooping = looping; ALenum type; - alGetSourcei(source_, AL_SOURCE_TYPE, &type); + alGetSourcei(mSource, AL_SOURCE_TYPE, &type); if (type != AL_STREAMING) { - alSourcei(source_, AL_LOOPING, looping_); + alSourcei(mSource, AL_LOOPING, mIsLooping); } } - ALuint source_; - BufferP buffer_; - - bool playing_; - bool looping_; - - std::queue queue_; - std::vector expired_; - - Timer streamTimer; - void streamUpdate(Timer& timer, Scalar t) { // don't let the music die! update(); - // TODO - might be nice to also allow using threads for streaming rather - // than a timer, probably as a compile-time option + // TODO - might be nice to also allow using threads for streaming + // rather than a timer, probably as a compile-time option } + + static void retainBackend() + { + if (gRetainCount++ == 0) + { + gAlDevice = alcOpenDevice(0); + gAlContext = alcCreateContext(gAlDevice, 0); + if (!gAlDevice || !gAlContext) + { + const char* error = alcGetString(gAlDevice, + alcGetError(gAlDevice)); + logError << "audio subsystem initialization failure: " + << error << std::endl; + } + else + { + alcMakeContextCurrent(gAlContext); + logInfo << "opened sound device `" + << alcGetString(gAlDevice, + ALC_DEFAULT_DEVICE_SPECIFIER) + << "'" << std::endl; + } + } + } + + static void releaseBackend() + { + if (--gRetainCount == 0) + { + alcMakeContextCurrent(0); + alcDestroyContext(gAlContext); + alcCloseDevice(gAlDevice); + } + } + + + ALuint mSource; + std::list mBuffers; + + bool mIsLoaded; + bool mIsPlaying; + bool mIsLooping; + + std::deque mQueue; + + Timer mStreamTimer; + + static unsigned gRetainCount; + static ALCdevice* gAlDevice; + static ALCcontext* gAlContext; }; +unsigned Sound::Impl::gRetainCount = 0; +ALCdevice* Sound::Impl::gAlDevice = 0; +ALCcontext* Sound::Impl::gAlContext = 0; + + +Sound::Sound() : + // pass through + mImpl(new Sound::Impl) {} + Sound::Sound(const std::string& name) : // pass through - impl_(new Sound::Impl(name)) {} + mImpl(new Sound::Impl(name)) {} -void Sound::play() +void Sound::setSample(const std::string& name) { // pass through - impl_->play(); + mImpl->setSample(name); } -void Sound::stream() + +void Sound::play() { // pass through - impl_->stream(); + mImpl->play(); } - void Sound::stop() { // pass through - impl_->stop(); + mImpl->stop(); } void Sound::pause() { // pass through - impl_->pause(); + mImpl->pause(); } -void Sound::resume() -{ - // pass through - impl_->resume(); -} void Sound::toggle() { - if (impl_->playing_) pause(); - else resume(); + if (isPlaying()) pause(); + else play(); } - -void Sound::setSample(const std::string& name) -{ - // pass through - impl_->setSample(name); -} - -void Sound::enqueue(const std::string& name) -{ - // pass through - impl_->enqueue(name); -} - - bool Sound::isPlaying() const { // pass through - return impl_->isPlaying(); + return mImpl->isPlaying(); } + void Sound::setPosition(const Vector3& position) { - float p[3] = {position[0], position[1], position[2]}; - alSourcefv(impl_->source_, AL_POSITION, p); + float vec[3] = {position[0], position[1], position[2]}; + alSourcefv(mImpl->mSource, AL_POSITION, vec); } void Sound::setVelocity(const Vector3& velocity) { - float v[3] = {velocity[0], velocity[1], velocity[2]}; - alSourcefv(impl_->source_, AL_VELOCITY, v); + float vec[3] = {velocity[0], velocity[1], velocity[2]}; + alSourcefv(mImpl->mSource, AL_VELOCITY, vec); } void Sound::setGain(Scalar gain) { - alSourcef(impl_->source_, AL_GAIN, float(gain)); + alSourcef(mImpl->mSource, AL_GAIN, float(gain)); } void Sound::setPitch(Scalar pitch) { - alSourcef(impl_->source_, AL_PITCH, float(pitch)); + alSourcef(mImpl->mSource, AL_PITCH, float(pitch)); } void Sound::setLooping(bool looping) { // pass through - impl_->setLooping(looping); + mImpl->setLooping(looping); } void Sound::setListenerPosition(const Vector3& position) { - alListener3f(AL_POSITION, float(position[0]), float(position[1]), - float(position[2])); + float vec[] = {position[0], position[1], position[2]}; + alListenerfv(AL_POSITION, vec); } void Sound::setListenerVelocity(const Vector3& velocity) { - alListener3f(AL_VELOCITY, float(velocity[0]), float(velocity[1]), - float(velocity[2])); + float vec[] = {velocity[0], velocity[1], velocity[2]}; + alListenerfv(AL_VELOCITY, vec); } -void Sound::setListenerOrientation(const Vector3& forward, const Vector3& up) +void Sound::setListenerOrientation(const Vector3& forward, + const Vector3& up) { float vec[6]; vec[0] = float(forward[0]); @@ -578,14 +574,28 @@ void Sound::setListenerOrientation(const Vector3& forward, const Vector3& up) } -std::string Sound::getPath(const std::string& name) +bool Sound::getPath(std::string& name) { - std::string path = Resource::getPath("sounds/" + name + ".ogg"); - return path; + return Resource::getPath(name, "sounds/", "ogg"); } -} // namespace Mf +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + +void SoundStream::enqueue(const std::string& name) +{ + // pass through + mImpl->enqueue(name); +} + -/** vim: set ts=4 sw=4 tw=80: *************************************************/ +void SoundStream::play() +{ + // pass through + mImpl->playStream(); +} + + +} // namespace Mf