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Move OpenAL_SoundStream function definitions out of the class

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This commit is contained in:
Chris Robinson 2012-03-17 03:15:07 -07:00
parent 2f6b73d461
commit 1b41987e18
1 changed files with 110 additions and 102 deletions
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212
apps/openmw/mwsound/openal_output.cpp
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@ -63,125 +63,133 @@ class OpenAL_SoundStream : public Sound
std::auto_ptr<Sound_Decoder> Decoder; std::auto_ptr<Sound_Decoder> Decoder;
public: public:
OpenAL_SoundStream(std::auto_ptr<Sound_Decoder> decoder) : Decoder(decoder) OpenAL_SoundStream(std::auto_ptr<Sound_Decoder> decoder);
virtual ~OpenAL_SoundStream();
virtual bool Play();
virtual void Stop();
virtual bool isPlaying();
};
OpenAL_SoundStream::OpenAL_SoundStream(std::auto_ptr<Sound_Decoder> decoder)
: Decoder(decoder)
{
throwALerror();
alGenSources(1, &Source);
throwALerror();
try
{ {
alGenBuffers(NumBuffers, Buffers);
throwALerror(); throwALerror();
alGenSources(1, &Source);
throwALerror();
try
{
alGenBuffers(NumBuffers, Buffers);
throwALerror();
}
catch(std::exception &e)
{
alDeleteSources(1, &Source);
alGetError();
throw;
}
try
{
int srate;
enum Sound_Decoder::ChannelConfig chans;
enum Sound_Decoder::SampleType type;
Decoder->GetInfo(&srate, &chans, &type);
Format = getALFormat(chans, type);
SampleRate = srate;
}
catch(std::exception &e)
{
alDeleteSources(1, &Source);
alDeleteBuffers(NumBuffers, Buffers);
alGetError();
throw;
}
} }
virtual ~OpenAL_SoundStream() catch(std::exception &e)
{
alDeleteSources(1, &Source);
alGetError();
throw;
}
try
{
int srate;
Sound_Decoder::ChannelConfig chans;
Sound_Decoder::SampleType type;
Decoder->GetInfo(&srate, &chans, &type);
Format = getALFormat(chans, type);
SampleRate = srate;
}
catch(std::exception &e)
{ {
alDeleteSources(1, &Source); alDeleteSources(1, &Source);
alDeleteBuffers(NumBuffers, Buffers); alDeleteBuffers(NumBuffers, Buffers);
alGetError(); alGetError();
Decoder->Close(); throw;
} }
}
OpenAL_SoundStream::~OpenAL_SoundStream()
{
alDeleteSources(1, &Source);
alDeleteBuffers(NumBuffers, Buffers);
alGetError();
Decoder->Close();
}
virtual bool Play() bool OpenAL_SoundStream::Play()
{
std::vector<char> data(BufferSize);
alSourceStop(Source);
alSourcei(Source, AL_BUFFER, 0);
throwALerror();
for(ALuint i = 0;i < NumBuffers;i++)
{
size_t got;
got = Decoder->Read(&data[0], data.size());
alBufferData(Buffers[i], Format, &data[0], got, SampleRate);
}
throwALerror();
alSourceQueueBuffers(Source, NumBuffers, Buffers);
alSourcePlay(Source);
throwALerror();
return true;
}
void OpenAL_SoundStream::Stop()
{
alSourceStop(Source);
alSourcei(Source, AL_BUFFER, 0);
throwALerror();
// FIXME: Rewind decoder
}
bool OpenAL_SoundStream::isPlaying()
{
ALint processed, state;
alGetSourcei(Source, AL_SOURCE_STATE, &state);
alGetSourcei(Source, AL_BUFFERS_PROCESSED, &processed);
throwALerror();
if(processed > 0)
{ {
std::vector<char> data(BufferSize); std::vector<char> data(BufferSize);
do {
alSourceStop(Source); ALuint bufid;
alSourcei(Source, AL_BUFFER, 0);
throwALerror();
for(ALuint i = 0;i < NumBuffers;i++)
{
size_t got; size_t got;
got = Decoder->Read(&data[0], data.size());
alBufferData(Buffers[i], Format, &data[0], got, SampleRate);
}
throwALerror();
alSourceQueueBuffers(Source, NumBuffers, Buffers); alSourceUnqueueBuffers(Source, 1, &bufid);
processed--;
got = Decoder->Read(&data[0], data.size());
if(got > 0)
{
alBufferData(bufid, Format, &data[0], got, SampleRate);
alSourceQueueBuffers(Source, 1, &bufid);
}
} while(processed > 0);
throwALerror();
}
if(state != AL_PLAYING && state != AL_PAUSED)
{
ALint queued;
alGetSourcei(Source, AL_BUFFERS_QUEUED, &queued);
throwALerror();
if(queued == 0)
return false;
alSourcePlay(Source); alSourcePlay(Source);
throwALerror(); throwALerror();
return true;
} }
virtual void Stop() return true;
{ }
alSourceStop(Source);
alSourcei(Source, AL_BUFFER, 0);
throwALerror();
// FIXME: Rewind decoder
}
virtual bool isPlaying()
{
ALint processed, state;
alGetSourcei(Source, AL_SOURCE_STATE, &state);
alGetSourcei(Source, AL_BUFFERS_PROCESSED, &processed);
throwALerror();
if(processed > 0)
{
std::vector<char> data(BufferSize);
do {
ALuint bufid;
size_t got;
alSourceUnqueueBuffers(Source, 1, &bufid);
processed--;
got = Decoder->Read(&data[0], data.size());
if(got > 0)
{
alBufferData(bufid, Format, &data[0], got, SampleRate);
alSourceQueueBuffers(Source, 1, &bufid);
}
} while(processed > 0);
throwALerror();
}
if(state != AL_PLAYING && state != AL_PAUSED)
{
ALint queued;
alGetSourcei(Source, AL_BUFFERS_QUEUED, &queued);
throwALerror();
if(queued == 0)
return false;
alSourcePlay(Source);
throwALerror();
}
return true;
}
};
bool OpenAL_Output::Initialize(const std::string &devname) bool OpenAL_Output::Initialize(const std::string &devname)