Initial submission of the PCem-Experimental source code.
This commit is contained in:
OBattler
257
src/soundopenal.c
Normal file
257
src/soundopenal.c
Normal file
@@ -0,0 +1,257 @@
|
||||
#define USE_OPENAL
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#ifdef USE_OPENAL
|
||||
#include <AL/al.h>
|
||||
#include <AL/alc.h>
|
||||
#endif
|
||||
#include "ibm.h"
|
||||
#include "sound.h"
|
||||
|
||||
FILE *allog;
|
||||
#ifdef USE_OPENAL
|
||||
ALuint buffers[4]; // front and back buffers
|
||||
ALuint buffers_cd[4]; // front and back buffers
|
||||
static ALuint source[2]; // audio source
|
||||
#endif
|
||||
#define FREQ 48000
|
||||
#define BUFLEN SOUNDBUFLEN
|
||||
|
||||
void closeal();
|
||||
ALvoid alutInit(ALint *argc,ALbyte **argv)
|
||||
{
|
||||
ALCcontext *Context;
|
||||
ALCdevice *Device;
|
||||
|
||||
//Open device
|
||||
Device=alcOpenDevice((ALubyte*)"");
|
||||
//Create context(s)
|
||||
Context=alcCreateContext(Device,NULL);
|
||||
//Set active context
|
||||
alcMakeContextCurrent(Context);
|
||||
//Register extensions
|
||||
}
|
||||
|
||||
ALvoid alutExit(ALvoid)
|
||||
{
|
||||
ALCcontext *Context;
|
||||
ALCdevice *Device;
|
||||
|
||||
//Unregister extensions
|
||||
|
||||
//Get active context
|
||||
Context=alcGetCurrentContext();
|
||||
//Get device for active context
|
||||
Device=alcGetContextsDevice(Context);
|
||||
//Disable context
|
||||
alcMakeContextCurrent(NULL);
|
||||
//Release context(s)
|
||||
alcDestroyContext(Context);
|
||||
//Close device
|
||||
alcCloseDevice(Device);
|
||||
}
|
||||
void initalmain(int argc, char *argv[])
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
alutInit(0,0);
|
||||
// printf("AlutInit\n");
|
||||
atexit(closeal);
|
||||
// printf("AlutInit\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
void closeal()
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
alutExit();
|
||||
#endif
|
||||
}
|
||||
|
||||
void check()
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
ALenum error;
|
||||
if ((error = alGetError()) != AL_NO_ERROR)
|
||||
{
|
||||
// printf("Error : %08X\n", error);
|
||||
// exit(-1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void inital()
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
int c;
|
||||
int16_t buf[BUFLEN*2];
|
||||
|
||||
// printf("1\n");
|
||||
check();
|
||||
|
||||
// printf("2\n");
|
||||
alGenBuffers(4, buffers);
|
||||
check();
|
||||
alGenBuffers(4, buffers_cd);
|
||||
check();
|
||||
|
||||
// printf("3\n");
|
||||
alGenSources(2, source);
|
||||
check();
|
||||
|
||||
// printf("4\n");
|
||||
alSource3f(source[0], AL_POSITION, 0.0, 0.0, 0.0);
|
||||
alSource3f(source[0], AL_VELOCITY, 0.0, 0.0, 0.0);
|
||||
alSource3f(source[0], AL_DIRECTION, 0.0, 0.0, 0.0);
|
||||
alSourcef (source[0], AL_ROLLOFF_FACTOR, 0.0 );
|
||||
alSourcei (source[0], AL_SOURCE_RELATIVE, AL_TRUE );
|
||||
check();
|
||||
alSource3f(source[1], AL_POSITION, 0.0, 0.0, 0.0);
|
||||
alSource3f(source[1], AL_VELOCITY, 0.0, 0.0, 0.0);
|
||||
alSource3f(source[1], AL_DIRECTION, 0.0, 0.0, 0.0);
|
||||
alSourcef (source[1], AL_ROLLOFF_FACTOR, 0.0 );
|
||||
alSourcei (source[1], AL_SOURCE_RELATIVE, AL_TRUE );
|
||||
check();
|
||||
|
||||
memset(buf,0,BUFLEN*4);
|
||||
|
||||
// printf("5\n");
|
||||
for (c = 0; c < 4; c++)
|
||||
{
|
||||
alBufferData(buffers[c], AL_FORMAT_STEREO16, buf, BUFLEN*2*2, FREQ);
|
||||
alBufferData(buffers_cd[c], AL_FORMAT_STEREO16, buf, CD_BUFLEN*2*2, CD_FREQ);
|
||||
}
|
||||
|
||||
alSourceQueueBuffers(source[0], 4, buffers);
|
||||
check();
|
||||
alSourceQueueBuffers(source[1], 4, buffers_cd);
|
||||
check();
|
||||
// printf("6 %08X\n",source);
|
||||
alSourcePlay(source[0]);
|
||||
check();
|
||||
alSourcePlay(source[1]);
|
||||
check();
|
||||
// printf("InitAL!!! %08X\n",source);
|
||||
#endif
|
||||
}
|
||||
|
||||
void givealbuffer(int32_t *buf)
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
int16_t buf16[BUFLEN*2];
|
||||
int processed;
|
||||
int state;
|
||||
|
||||
//return;
|
||||
|
||||
// printf("Start\n");
|
||||
check();
|
||||
|
||||
// printf("GiveALBuffer %08X\n",source);
|
||||
|
||||
alGetSourcei(source[0], AL_SOURCE_STATE, &state);
|
||||
|
||||
check();
|
||||
|
||||
if (state==0x1014)
|
||||
{
|
||||
alSourcePlay(source[0]);
|
||||
// printf("Resetting sound\n");
|
||||
}
|
||||
// printf("State - %i %08X\n",state,state);
|
||||
alGetSourcei(source[0], AL_BUFFERS_PROCESSED, &processed);
|
||||
|
||||
// printf("P ");
|
||||
check();
|
||||
// printf("Processed - %i\n",processed);
|
||||
|
||||
if (processed>=1)
|
||||
{
|
||||
int c;
|
||||
ALuint buffer;
|
||||
|
||||
alSourceUnqueueBuffers(source[0], 1, &buffer);
|
||||
// printf("U ");
|
||||
check();
|
||||
|
||||
for (c=0;c<BUFLEN*2;c++)
|
||||
{
|
||||
if (buf[c] < -32768)
|
||||
buf16[c] = -32768;
|
||||
else if (buf[c] > 32767)
|
||||
buf16[c] = 32767;
|
||||
else
|
||||
buf16[c] = buf[c];
|
||||
}
|
||||
// for (c=0;c<BUFLEN*2;c++) buf[c]^=0x8000;
|
||||
alBufferData(buffer, AL_FORMAT_STEREO16, buf16, BUFLEN*2*2, FREQ);
|
||||
// printf("B ");
|
||||
check();
|
||||
|
||||
alSourceQueueBuffers(source[0], 1, &buffer);
|
||||
// printf("Q ");
|
||||
check();
|
||||
|
||||
// printf("\n");
|
||||
|
||||
// if (!allog) allog=fopen("al.pcm","wb");
|
||||
// fwrite(buf,BUFLEN*2,1,allog);
|
||||
}
|
||||
// printf("\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
void givealbuffer_cd(int16_t *buf)
|
||||
{
|
||||
#ifdef USE_OPENAL
|
||||
int processed;
|
||||
int state;
|
||||
|
||||
//return;
|
||||
|
||||
// printf("Start\n");
|
||||
check();
|
||||
|
||||
// printf("GiveALBuffer %08X\n",source);
|
||||
|
||||
alGetSourcei(source[1], AL_SOURCE_STATE, &state);
|
||||
|
||||
check();
|
||||
|
||||
if (state==0x1014)
|
||||
{
|
||||
alSourcePlay(source[1]);
|
||||
// printf("Resetting sound\n");
|
||||
}
|
||||
// printf("State - %i %08X\n",state,state);
|
||||
alGetSourcei(source[1], AL_BUFFERS_PROCESSED, &processed);
|
||||
|
||||
// printf("P ");
|
||||
check();
|
||||
// printf("Processed - %i\n",processed);
|
||||
|
||||
if (processed>=1)
|
||||
{
|
||||
ALuint buffer;
|
||||
|
||||
alSourceUnqueueBuffers(source[1], 1, &buffer);
|
||||
// printf("U ");
|
||||
check();
|
||||
|
||||
// for (c=0;c<BUFLEN*2;c++) buf[c]^=0x8000;
|
||||
alBufferData(buffer, AL_FORMAT_STEREO16, buf, CD_BUFLEN*2*2, CD_FREQ);
|
||||
// printf("B ");
|
||||
check();
|
||||
|
||||
alSourceQueueBuffers(source[1], 1, &buffer);
|
||||
// printf("Q ");
|
||||
check();
|
||||
|
||||
// printf("\n");
|
||||
|
||||
// if (!allog) allog=fopen("al.pcm","wb");
|
||||
// fwrite(buf,BUFLEN*2,1,allog);
|
||||
}
|
||||
// printf("\n");
|
||||
#endif
|
||||
}
|
||||
Reference in New Issue
Block a user