start 380 project5
changes to 380 project 4 changes to 350 project 2 Signed-off-by: Amrit Panesar <apanesar@4195tech.com>
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@@ -0,0 +1,67 @@
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//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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// GambleKit Copyright (C) 2014 Ivan Donev
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//
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// This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// contact: gamblekit@gmail.com
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//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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#include "GkSoundDevice.h"
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#include <AL\alut.h>
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#include <AL\al.h>
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void GkSoundDevice::Initialize()
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{
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alutInit(0, 0);
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}
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void GkSoundDevice::Close()
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{
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alutExit();
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}
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GkSoundDevice::GkSoundDevice(int volume)
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{
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this->volume = volume;
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}
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GkSoundDevice::~GkSoundDevice(void)
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{
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}
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bool GkSoundDevice::IsPlaying(GkSoundSource *soundSource)
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{
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ALenum state;
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alGetSourcei(soundSource->handle, AL_SOURCE_STATE, &state);
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return (state == AL_PLAYING);
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}
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void GkSoundDevice::PlaySource(GkSoundSource *soundSource)
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{
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alSourcei (soundSource->handle, AL_LOOPING, AL_FALSE);
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alSourcef (soundSource->handle, AL_GAIN, this->volume / 10.0f);
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alSourcePlay(soundSource->handle);
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}
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void GkSoundDevice::PlaySourceLooping(GkSoundSource *soundSource)
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{
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alSourcei (soundSource->handle, AL_LOOPING, AL_TRUE);
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alSourcePlay(soundSource->handle);
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}
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void GkSoundDevice::PauseSource(GkSoundSource *soundSource)
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{
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alSourcePause(soundSource->handle);
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}
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void GkSoundDevice::StopSource(GkSoundSource *soundSource)
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{
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alSourceStop(soundSource->handle);
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}
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@@ -0,0 +1,23 @@
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#pragma once
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#include "..\GkDefinitions.h"
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#include "GkSoundSource.h"
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class GKDLLCLASS GkSoundDevice
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{
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public:
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int volume;
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static void Initialize();
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static void Close();
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GkSoundDevice(int volume = 100);
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~GkSoundDevice(void);
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bool IsPlaying(GkSoundSource *soundSource);
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void PlaySource(GkSoundSource *soundSource);
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void PlaySourceLooping(GkSoundSource *soundSource);
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void PauseSource(GkSoundSource *soundSource);
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void StopSource(GkSoundSource *soundSource);
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};
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@@ -0,0 +1,87 @@
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//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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// GambleKit Copyright (C) 2014 Ivan Donev
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//
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// This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// contact: gamblekit@gmail.com
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//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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#include "GkSoundSource.h"
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#include <string>
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#include <AL\alut.h>
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#pragma pack(1)
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struct WAVFileHeader
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{
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char chunkID[4]; // "RIFF"
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unsigned int chunkSize;
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char format[4]; // "WAVE"
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char subchunk1Id[4]; // "fmt "
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unsigned int subchunk1Size;
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unsigned short audioFormat; // 1 - PCM
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unsigned short numChannels; // 1 - mono, 2 - stereo
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unsigned int sampleRate; // 22050, 44100, etc.
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unsigned int byteRate; // == SampleRate * NumChannels * BitsPerSample / 8
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unsigned short blockAlign; // == NumChannels * BitsPerSample / 8. The number of bytes for one sample including
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unsigned short bitsPerSample; // 8, 16, etc.
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//unsigned short extraParamsSize; //if PCM does not exist
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//extraParams; //variable format
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//char subchunk2Id[4]; // "data"
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//unsigned int subchunk2Size;
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};
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GkSoundSource::GkSoundSource(void)
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{
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alGenSources(1, &this->handle);
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this->buffer = 0;
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}
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GkSoundSource::~GkSoundSource(void)
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{
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this->UnloadBuffer();
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alDeleteSources(1, &this->handle);
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}
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void GkSoundSource::LoadFromMemory(void *wavData)
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{
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ALenum format;
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ALvoid *data;
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ALsizei size, frequency;
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WAVFileHeader *header = (WAVFileHeader*)wavData;
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int dataOffset = 20 + header->subchunk1Size;
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while (memcmp((char*)&((char*)wavData)[dataOffset], &"data", 4) != 0)
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{
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dataOffset += *((int*)&(((char*)wavData)[dataOffset + 4])) + 8;
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}
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size = *((int*)&(((char*)wavData)[dataOffset + 4]));
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data = (ALvoid*)&(((char*)wavData)[dataOffset + 8]);
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format = header->numChannels == 1 ? header->bitsPerSample == 8 ? AL_FORMAT_MONO8 : AL_FORMAT_MONO16 : header->bitsPerSample == 8 ? AL_FORMAT_STEREO8 : AL_FORMAT_STEREO16;
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frequency = header->sampleRate;
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this->UnloadBuffer();
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alGenBuffers(1, &this->buffer);
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alBufferData(this->buffer, format, data, size, frequency);
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alSourcei(this->handle, AL_BUFFER, this->buffer);
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}
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void GkSoundSource::UnloadBuffer()
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{
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if (this->buffer == 0)
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return;
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alDeleteBuffers(1, &this->buffer);
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this->buffer = 0;
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}
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@@ -0,0 +1,20 @@
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#pragma once
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#include "..\GkDefinitions.h"
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#include <AL\al.h>
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#include "..\Base\GkBase.h"
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class GKDLLCLASS GkSoundSource
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: public GkBase
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{
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public:
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ALuint handle, buffer;
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GkSoundSource::GkSoundSource(void);
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GkSoundSource::~GkSoundSource(void);
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void GkSoundSource::LoadFromMemory(void *data);
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void GkSoundSource::UnloadBuffer();
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};
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