void FileStreamStartPlay()
        {
            OpenALDataBufferSound streamSound = (OpenALDataBufferSound)currentSound;

            for (int n = 0; n < streamSound.alDataBuffers.Length; n++)
            {
                if (!FileStream(streamSound.alDataBuffers[n]))
                {
                    return;
                }

                Al.alSourceQueueBuffers(alSource, 1, ref streamSound.alDataBuffers[n]);
                OpenALSoundWorld.CheckError();
            }
        }
        unsafe protected override void PostAttachVirtualChannel()
        {
            OpenALSoundWorld.criticalSection.Enter();

            currentSound = (OpenALSound)CurrentVirtualChannel.CurrentSound;

            OpenALSampleSound     sampleSound     = currentSound as OpenALSampleSound;
            OpenALDataBufferSound streamSound     = null;
            OpenALFileStreamSound fileStreamSound = null;
            OpenALDataStreamSound dataStreamSound = null;

            if (sampleSound == null)
            {
                streamSound     = currentSound as OpenALDataBufferSound;
                fileStreamSound = currentSound as OpenALFileStreamSound;
                dataStreamSound = currentSound as OpenALDataStreamSound;
            }

            //create streamBuffer
            if (fileStreamSound != null)
            {
                int bufferSize = 0;

                int numSamples = (int)fileStreamSound.vorbisFile.pcm_total(-1);
                int channels;
                int rate;
                fileStreamSound.vorbisFile.get_info(-1, out channels, out rate);

                if (fileStreamSound.needConvertToMono)
                {
                    channels = 1;
                }

                int sizeInBytes = numSamples * channels * 2;

                bufferSize = sizeInBytes / 2;
                if (bufferSize > 65536 * 4)
                {
                    bufferSize = 65536 * 4;
                }

                streamBufferSize = bufferSize;
                streamBuffer     = (byte *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo, streamBufferSize);
            }

            if (dataStreamSound != null)
            {
                streamBufferSize = dataStreamSound.bufferSize;
                streamBuffer     = (byte *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo,
                                                             streamBufferSize);
            }

            //init source

            bool mode3d = (currentSound.Mode & SoundMode.Mode3D) != 0;
            bool loop   = (currentSound.Mode & SoundMode.Loop) != 0;

            if (alSource == 0)
            {
                Al.alGenSources(1, out alSource);
                if (OpenALSoundWorld.CheckError())
                {
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }
            }


            if (sampleSound != null)
            {
                //no stream sound
                Al.alSourcei(alSource, Al.AL_BUFFER, sampleSound.alBuffer);
                if (OpenALSoundWorld.CheckError())
                {
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }
            }

            if (fileStreamSound != null)
            {
                FileStreamStartPlay();
            }

            if (dataStreamSound != null)
            {
                DataStreamStartPlay();
            }

            Al.alSourcei(alSource, Al.AL_SOURCE_RELATIVE, mode3d ? Al.AL_FALSE : Al.AL_TRUE);

            //update parameters
            if (mode3d)
            {
                UpdatePosition2();
                UpdateVelocity2();
            }
            else
            {
                UpdatePan2();
            }
            UpdatePitch2();
            UpdateVolume2();

            if (sampleSound != null)
            {
                Al.alSourcei(alSource, Al.AL_LOOPING, loop ? Al.AL_TRUE : Al.AL_FALSE);
            }
            else
            {
                Al.alSourcei(alSource, Al.AL_LOOPING, Al.AL_FALSE);
            }
            if (OpenALSoundWorld.CheckError())
            {
                PreDetachVirtualChannel();
                OpenALSoundWorld.criticalSection.Leave();
                return;
            }

            UpdateTime2();

            //unpause
            Al.alSourcePlay(alSource);
            OpenALSoundWorld.CheckError();

            //add to fileStreamChannels
            if (fileStreamSound != null)
            {
                OpenALSoundWorld.Instance.fileStreamRealChannels.Add(this);
            }

            OpenALSoundWorld.criticalSection.Leave();
        }
Example #3
0
        unsafe internal protected override void PostAttachVirtualChannel()
        {
            OpenALSoundWorld.criticalSection.Enter();

            currentSound = (OpenALSound)CurrentVirtualChannel.Sound;

            OpenALSampleSound     sampleSound     = currentSound as OpenALSampleSound;
            OpenALDataBufferSound streamSound     = null;
            OpenALFileStreamSound fileStreamSound = null;
            OpenALDataStreamSound dataStreamSound = null;

            if (sampleSound == null)
            {
                streamSound     = currentSound as OpenALDataBufferSound;
                fileStreamSound = currentSound as OpenALFileStreamSound;
                dataStreamSound = currentSound as OpenALDataStreamSound;
            }

            //create streamBuffer
            if (fileStreamSound != null)
            {
                var stream = OpenALSoundWorld.CreateFileStream2(currentSound.Name);
                if (stream == null)
                {
                    //Log.Warning( string.Format( "Creating sound \"{0}\" failed.", currentSound.Name ) );
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }
                fileStreamVorbisFile       = new VorbisFile.File();
                fileStreamVorbisFileReader = new VorbisFileReader(stream, true);
                if (!fileStreamVorbisFileReader.OpenVorbisFile(fileStreamVorbisFile))
                {
                    //Log.Warning( string.Format( "Creating sound \"{0}\" failed.", currentSound.Name ) );
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }

                int numSamples = (int)fileStreamVorbisFile.pcm_total(-1);
                fileStreamVorbisFile.get_info(-1, out var channels, out var frequency);

                //int numSamples = (int)fileStreamSound.vorbisFile.pcm_total( -1 );
                //fileStreamSound.vorbisFile.get_info( -1, out var channels, out var rate );

                if (fileStreamSound.needConvertToMono)
                {
                    channels = 1;
                }

                int sizeInBytes = numSamples * channels * 2;

                int bufferSize = sizeInBytes / 2;
                if (bufferSize > 65536 * 4)
                {
                    bufferSize = 65536 * 4;
                }

                streamBufferSize = bufferSize;
                streamBuffer     = (byte *)NativeUtility.Alloc(NativeUtility.MemoryAllocationType.SoundAndVideo, streamBufferSize);
            }

            if (dataStreamSound != null)
            {
                streamBufferSize = dataStreamSound.bufferSize;
                streamBuffer     = (byte *)NativeUtility.Alloc(NativeUtility.MemoryAllocationType.SoundAndVideo, streamBufferSize);
            }

            //create al data buffers
            if (fileStreamSound != null || dataStreamSound != null)
            {
                if (streamAlDataBuffers == null)
                {
                    streamAlDataBuffers = new int[2];

                    fixed(int *pAlDataBuffers = streamAlDataBuffers)
                    Al.alGenBuffers(streamAlDataBuffers.Length, pAlDataBuffers);

                    if (OpenALSoundWorld.CheckError())
                    {
                        streamAlDataBuffers = null;
                        PreDetachVirtualChannel();
                        OpenALSoundWorld.criticalSection.Leave();
                        return;
                    }
                }
            }

            //init source

            bool mode3d = (currentSound.Mode & SoundModes.Mode3D) != 0;
            bool loop   = (currentSound.Mode & SoundModes.Loop) != 0;

            if (alSource == 0)
            {
                Al.alGenSources(1, out alSource);
                if (OpenALSoundWorld.CheckError())
                {
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }
            }


            if (sampleSound != null)
            {
                //no stream sound
                Al.alSourcei(alSource, Al.AL_BUFFER, sampleSound.alBuffer);
                if (OpenALSoundWorld.CheckError())
                {
                    PreDetachVirtualChannel();
                    OpenALSoundWorld.criticalSection.Leave();
                    return;
                }
            }

            if (fileStreamSound != null)
            {
                FileStreamStartPlay();
            }

            if (dataStreamSound != null)
            {
                DataStreamStartPlay();
            }

            Al.alSourcei(alSource, Al.AL_SOURCE_RELATIVE, mode3d ? Al.AL_FALSE : Al.AL_TRUE);

            //update parameters
            if (mode3d)
            {
                UpdatePosition2();
                UpdateVelocity2();
            }
            else
            {
                UpdatePan2();
            }
            UpdatePitch2();
            UpdateVolume2();

            if (sampleSound != null)
            {
                Al.alSourcei(alSource, Al.AL_LOOPING, loop ? Al.AL_TRUE : Al.AL_FALSE);
            }
            else
            {
                Al.alSourcei(alSource, Al.AL_LOOPING, Al.AL_FALSE);
            }
            if (OpenALSoundWorld.CheckError())
            {
                PreDetachVirtualChannel();
                OpenALSoundWorld.criticalSection.Leave();
                return;
            }

            UpdateTime2();

            //unpause
            Al.alSourcePlay(alSource);
            OpenALSoundWorld.CheckError();

            //add to fileStreamChannels
            if (fileStreamSound != null)
            {
                OpenALSoundWorld.fileStreamRealChannels.Add(this);
            }

            OpenALSoundWorld.criticalSection.Leave();
        }