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This commit is contained in:
Daniel
2016-05-30 11:58:34 +02:00
parent b53bcac528
commit 0c73b5a586
3 changed files with 36 additions and 34 deletions
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OpenAL.cpp
+29 -28
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@@ -2,33 +2,29 @@
#include <cstdlib>
#include <iostream>
#include <windows.h>
#include <al.h>
#include <alc.h>
#include "al.h"
#include "alc.h"
int OpenAL::endWithError(char* msg, int error = 0)
OpenAL::OpenAL()
{
Test();
}
bool OpenAL::EndWithError(char* msg)
{
//Display error message in console
bool error = false;
std::cout << msg << "\n";
system("PAUSE");
return error;
}
OpenAL::OpenAL()
{
Test();
}
OpenAL::~OpenAL()
{
}
boolean OpenAL::Test()
bool OpenAL::Test()
{
//Loading of the WAVE file
FILE *fp = NULL; //Create FILE pointer for the WAVE file
fp = fopen("WAVE/Sound.wav", "rb"); //Open the WAVE file
if (!fp) return endWithError("Failed to open file"); //Could not open file
if (!fp) return EndWithError("Failed to open file"); //Could not open file
//Variables to store info about the WAVE file (all of them is not needed for OpenAL)
char type[4];
@@ -41,16 +37,16 @@ boolean OpenAL::Test()
//Check that the WAVE file is OK
fread(type, sizeof(char), 4, fp); //Reads the first bytes in the file
if (type[0] != 'R' || type[1] != 'I' || type[2] != 'F' || type[3] != 'F') //Should be "RIFF"
return endWithError("No RIFF"); //Not RIFF
return EndWithError("No RIFF"); //Not RIFF
fread(&size, sizeof(DWORD), 1, fp); //Continue to read the file
fread(type, sizeof(char), 4, fp); //Continue to read the file
if (type[0] != 'W' || type[1] != 'A' || type[2] != 'V' || type[3] != 'E') //This part should be "WAVE"
return endWithError("not WAVE"); //Not WAVE
return EndWithError("not WAVE"); //Not WAVE
fread(type, sizeof(char), 4, fp); //Continue to read the file
if (type[0] != 'f' || type[1] != 'm' || type[2] != 't' || type[3] != ' ') //This part should be "fmt "
return endWithError("not fmt "); //Not fmt
return EndWithError("not fmt "); //Not fmt
//Now we know that the file is a acceptable WAVE file
//Info about the WAVE data is now read and stored
@@ -64,7 +60,7 @@ boolean OpenAL::Test()
fread(type, sizeof(char), 4, fp);
if (type[0] != 'd' || type[1] != 'a' || type[2] != 't' || type[3] != 'a') //This part should be "data"
return endWithError("Missing DATA"); //not data
return EndWithError("Missing DATA"); //not data
fread(&dataSize, sizeof(DWORD), 1, fp); //The size of the sound data is read
@@ -80,18 +76,18 @@ boolean OpenAL::Test()
unsigned char* buf = new unsigned char[dataSize]; //Allocate memory for the sound data
std::cout << fread(buf, sizeof(BYTE), dataSize, fp) << " bytes loaded\n"; //Read the sound data and display the
//number of bytes loaded.
//Should be the same as the Data Size if OK
//number of bytes loaded.
//Should be the same as the Data Size if OK
//Now OpenAL needs to be initialized
//Now OpenAL needs to be initialized
ALCdevice *device; //Create an OpenAL Device
ALCcontext *context; //And an OpenAL Context
device = alcOpenDevice(NULL); //Open the device
if (!device) return endWithError("no sound device"); //Error during device oening
if (!device) return EndWithError("no sound device"); //Error during device oening
context = alcCreateContext(device, NULL); //Give the device a context
alcMakeContextCurrent(context); //Make the context the current
if (!context) return endWithError("no sound context"); //Error during context handeling
if (!context) return EndWithError("no sound context"); //Error during context handeling
ALuint source; //Is the name of source (where the sound come from)
ALuint buffer; //Stores the sound data
@@ -100,7 +96,7 @@ boolean OpenAL::Test()
alGenBuffers(1, &buffer); //Generate one OpenAL Buffer and link to "buffer"
alGenSources(1, &source); //Generate one OpenAL Source and link to "source"
if (alGetError() != AL_NO_ERROR) return endWithError("Error GenSource"); //Error during buffer/source generation
if (alGetError() != AL_NO_ERROR) return EndWithError("Error GenSource"); //Error during buffer/source generation
//Figure out the format of the WAVE file
if (bitsPerSample == 8)
@@ -117,11 +113,11 @@ boolean OpenAL::Test()
else if (channels == 2)
format = AL_FORMAT_STEREO16;
}
if (!format) return endWithError("Wrong BitPerSample"); //Not valid format
if (!format) return EndWithError("Wrong BitPerSample"); //Not valid format
alBufferData(buffer, format, buf, dataSize, frequency); //Store the sound data in the OpenAL Buffer
if (alGetError() != AL_NO_ERROR)
return endWithError("Error loading ALBuffer"); //Error during buffer loading
return EndWithError("Error loading ALBuffer"); //Error during buffer loading
//Sound setting variables
ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; //Position of the source sound
@@ -145,7 +141,7 @@ boolean OpenAL::Test()
//PLAY
alSourcePlay(source); //Play the sound buffer linked to the source
if (alGetError() != AL_NO_ERROR) return endWithError("Error playing sound"); //Error when playing sound
if (alGetError() != AL_NO_ERROR) return EndWithError("Error playing sound"); //Error when playing sound
system("PAUSE"); //Pause to let the sound play
//Clean-up
@@ -158,4 +154,9 @@ boolean OpenAL::Test()
alcCloseDevice(device); //Close the OpenAL Device
return EXIT_SUCCESS;
}
OpenAL::~OpenAL()
{
}