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Tapping into OpenAL (WIP)

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eukos 2015-09-01 10:59:13 +02:00
parent 4365340dd9
commit 7f07775450
1 changed files with 20 additions and 16 deletions
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36
tracker/tracker_linux.c
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@ -22,23 +22,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifdef DUMB #ifdef DUMB
#include "globaldef.h" #include "globaldef.h"
#include "dumb.h" #include "dumb.h"
#include <unistd.h> #include <AL/al.h>
#include <fcntl.h> #include <AL/alc.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/shm.h>
#include <sys/wait.h>
#include <linux/soundcard.h>
#include <stdio.h>
#include <errno.h>
// eukara - added in tracker playback using DUMB - UNIX ONLY! // eukara - added in tracker playback using DUMB - UNIX ONLY!
char name[256]; char name[256];
DUH *trackmod; // The music file ~eukara DUH *trackmod; // The music file ~eukara
DUH_SIGRENDERER *sr; // The DUMB renderer DUH_SIGRENDERER *sr; // The DUMB renderer
int oss_device; // output device (by default /dev/dsp for OSS) ALCdevice *oss_device;
ALuint oss_source;
ALuint oss_buffer;
static qboolean bTracker_Initialized = false; static qboolean bTracker_Initialized = false;
// Set up the renderer options // Set up the renderer options
@ -63,6 +56,14 @@ void Tracker_Play(byte track, qboolean looping)
if(bTracker_Initialized == false) if(bTracker_Initialized == false)
return; return;
alGenSources((ALuint)1, &oss_source);
alSourcef(oss_source, AL_PITCH, 1);
alSourcef(oss_source, AL_GAIN, 1);
alSource3f(oss_source, AL_POSITION, 0, 0, 0);
alSource3f(oss_source, AL_VELOCITY, 0, 0, 0);
alSourcei(oss_source, AL_LOOPING, AL_FALSE);
alGenBuffers((ALuint)1, &oss_buffer);
dumb_register_stdfiles(); // Initialize loading files dumb_register_stdfiles(); // Initialize loading files
// Attempt to load every format imaginable, TODO: better method? // Attempt to load every format imaginable, TODO: better method?
@ -200,8 +201,9 @@ void Tracker_Update(void)
} }
} }
// TODO: Write this into the engine's soundbuffer instead for speed! alBufferData(oss_buffer, AL_FORMAT_STEREO16, &tracker_buffer.s8, 4096, freq);
write (oss_device, &tracker_buffer, 4096); alSourceQueueBuffers(oss_source, 1, &oss_buffer);
alSourcePlay(oss_source);
} }
int Tracker_Init(void) int Tracker_Init(void)
@ -209,7 +211,9 @@ int Tracker_Init(void)
if (COM_CheckParm("-notracker")) if (COM_CheckParm("-notracker"))
return -1; return -1;
if((oss_device = open ("/dev/dsp", O_RDWR)) == -1){ // /dev/dsp is the standard OSS output oss_device = alcOpenDevice(NULL);
if (!oss_device)
{
perror("/dev/dsp"); perror("/dev/dsp");
return 0; // just get out if there's none return 0; // just get out if there's none
} }
@ -224,6 +228,6 @@ void Tracker_Shutdown(void)
{ {
Tracker_Stop(); // First stop the track Tracker_Stop(); // First stop the track
dumb_exit(); // Kill DUMB dumb_exit(); // Kill DUMB
close(oss_device); // Close the device alcCloseDevice(oss_device);
} }
#endif #endif