+/*
+Copyright (C) 2003, 2010 - Wolfire Games
+
+This file is part of Lugaru.
+
+Lugaru is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
#if USE_OPENAL
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
#include "MacCompatibility.h"
#include "fmod.h"
-//#include "al.h"
+#include "AL/al.h"
+#include "AL/alc.h"
+
+#include "ogg/ogg.h"
+#include "vorbis/vorbisfile.h"
-void F_API FSOUND_3D_Listener_SetAttributes(const float *pos, const float *vel, float fx, float fy, float fz, float tx, float ty, float tz)
+// NOTE:
+// FMOD uses a Left Handed Coordinate system, OpenAL uses a Right Handed
+// one...so we just need to flip the sign on the Z axis when appropriate.
+
+
+#define DYNAMIC_LOAD_OPENAL 0
+
+#if DYNAMIC_LOAD_OPENAL
+
+#include <dlfcn.h>
+
+#define AL_FUNC(t,ret,fn,params,call,rt) \
+ extern "C" { \
+ static ret ALAPIENTRY (*p##fn) params = NULL; \
+ ret ALAPIENTRY fn params { rt p##fn call; } \
+ }
+#include "alstubs.h"
+#undef AL_FUNC
+
+static void *aldlhandle = NULL;
+
+static bool lookup_alsym(const char *funcname, void **func, const char *libname)
{
+ if (!aldlhandle)
+ return false;
+
+ *func = dlsym(aldlhandle, funcname);
+ if (*func == NULL)
+ {
+ fprintf(stderr, "Failed to find OpenAL symbol \"%s\" in \"%s\"\n",
+ funcname, libname);
+ return false;
+ }
+ return true;
}
-signed char F_API FSOUND_3D_SetAttributes(int channel, const float *pos, const float *vel)
+static void unload_alsyms(void)
{
- return 0;
+ #define AL_FUNC(t,ret,fn,params,call,rt) p##fn = NULL;
+ #include "alstubs.h"
+ #undef AL_FUNC
+ if (aldlhandle)
+ {
+ dlclose(aldlhandle);
+ aldlhandle = NULL;
+ }
}
-void F_API FSOUND_3D_SetDopplerFactor(float scale)
+static bool lookup_all_alsyms(const char *libname)
{
+ if (!aldlhandle)
+ {
+ if ( (aldlhandle = dlopen(libname, RTLD_GLOBAL | RTLD_NOW)) == NULL )
+ return false;
+ }
+
+ bool retval = true;
+ #define AL_FUNC(t,ret,fn,params,call,rt) \
+ if (!lookup_alsym(#fn, (void **) &p##fn, libname)) retval = false;
+ #include "alstubs.h"
+ #undef AL_FUNC
+
+ if (!retval)
+ unload_alsyms();
+
+ return retval;
}
+#else
+#define lookup_all_alsyms(x) (true)
+#define unload_alsyms()
+#endif
+
-signed char F_API FSOUND_Init(int mixrate, int maxsoftwarechannels, unsigned int flags)
+typedef struct
{
- return 0;
+ ALuint sid;
+ FSOUND_SAMPLE *sample;
+ bool startpaused;
+ float position[3];
+} OPENAL_Channels;
+
+typedef struct FSOUND_SAMPLE
+{
+ char *name;
+ ALuint bid; // buffer id.
+ int mode;
+ int is2d;
+ float min_distance;
+} FSOUND_SAMPLE;
+
+typedef struct FSOUND_STREAM
+{
+ char *name;
+ ALuint bid; // buffer id.
+ int mode;
+ int is2d;
+} FSOUND_STREAM;
+
+static size_t num_channels = 0;
+static OPENAL_Channels *channels = NULL;
+static bool initialized = false;
+static float listener_position[3];
+
+
+static inline bool source_too_close(const int channel)
+{
+ const OPENAL_Channels *chan = &channels[channel];
+ const float *pos = chan->position;
+ const float distance = sqrtf(powf((pos[0] - listener_position[0]), 2.0f) +
+ powf((pos[1] - listener_position[1]), 2.0f) +
+ powf((pos[2] - listener_position[2]), 2.0f));
+ return (distance <= chan->sample->min_distance);
}
-void F_API FSOUND_Close()
+
+static void set_channel_position(const int channel, const float x,
+ const float y, const float z)
{
+ OPENAL_Channels *chan = &channels[channel];
+
+ chan->position[0] = x;
+ chan->position[1] = y;
+ chan->position[2] = z;
+
+ FSOUND_SAMPLE *sptr = chan->sample;
+ if (sptr == NULL)
+ return;
+
+ const ALuint sid = chan->sid;
+ const bool no_attenuate = ((sptr->is2d) || (source_too_close(channel)));
+
+ if (no_attenuate)
+ {
+ alSourcei(sid, AL_SOURCE_RELATIVE, AL_TRUE);
+ alSource3f(sid, AL_POSITION, 0.0f, 0.0f, 0.0f);
+ }
+ else
+ {
+ alSourcei(sid, AL_SOURCE_RELATIVE, AL_FALSE);
+ alSource3f(sid, AL_POSITION, x, y, z);
+ }
}
-FSOUND_SAMPLE *F_API FSOUND_GetCurrentSample(int channel)
+
+void F_API OPENAL_3D_Listener_SetAttributes(const float *pos, const float *vel, float fx, float fy, float fz, float tx, float ty, float tz)
{
- return 0;
+ if (!initialized) return;
+ if (pos != NULL)
+ {
+ alListener3f(AL_POSITION, pos[0], pos[1], -pos[2]);
+ listener_position[0] = pos[0];
+ listener_position[1] = pos[1];
+ listener_position[2] = -pos[2];
+ }
+
+ ALfloat vec[6] = { fx, fy, -fz, tz, ty, -tz };
+ alListenerfv(AL_ORIENTATION, vec);
+
+ // we ignore velocity, since doppler's broken in the Linux AL at the moment...
+
+ // adjust existing positions...
+ for (int i = 0; i < num_channels; i++)
+ {
+ const float *p = channels[i].position;
+ set_channel_position(i, p[0], p[1], p[2]);
+ }
}
-signed char F_API FSOUND_GetPaused(int channel)
+signed char F_API OPENAL_3D_SetAttributes(int channel, const float *pos, const float *vel)
{
- return 0;
+ if (!initialized) return FALSE;
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+
+ if (pos != NULL)
+ set_channel_position(channel, pos[0], pos[1], -pos[2]);
+
+ // we ignore velocity, since doppler's broken in the Linux AL at the moment...
+
+ return TRUE;
}
-unsigned int F_API FSOUND_GetLoopMode(int channel)
+void F_API OPENAL_3D_SetDopplerFactor(float scale)
{
- return 0;
+ if (!initialized) return;
+ // unimplemented...looks like init routines just call this with scale == 0.0f anyhow.
}
-signed char F_API FSOUND_IsPlaying(int channel)
+signed char F_API OPENAL_Init(int mixrate, int maxsoftwarechannels, unsigned int flags)
{
- return 0;
+ if (initialized) return FALSE;
+ if (maxsoftwarechannels == 0) return FALSE;
+
+ if (flags != 0) // unsupported.
+ return FALSE;
+
+ if (!lookup_all_alsyms("./openal.so")) // !!! FIXME: linux specific lib name
+ {
+ if (!lookup_all_alsyms("openal.so.1")) // !!! FIXME: linux specific lib name
+ {
+ if (!lookup_all_alsyms("openal.so")) // !!! FIXME: linux specific lib name
+ return FALSE;
+ }
+ }
+
+ ALCdevice *dev = alcOpenDevice(NULL);
+ if (!dev)
+ return FALSE;
+
+ ALint caps[] = { ALC_FREQUENCY, mixrate, 0 };
+ ALCcontext *ctx = alcCreateContext(dev, caps);
+ if (!ctx)
+ {
+ alcCloseDevice(dev);
+ return FALSE;
+ }
+
+ alcMakeContextCurrent(ctx);
+ alcProcessContext(ctx);
+
+ bool cmdline(const char *cmd);
+ if (cmdline("openalinfo"))
+ {
+ printf("AL_VENDOR: %s\n", (char *) alGetString(AL_VENDOR));
+ printf("AL_RENDERER: %s\n", (char *) alGetString(AL_RENDERER));
+ printf("AL_VERSION: %s\n", (char *) alGetString(AL_VERSION));
+ printf("AL_EXTENSIONS: %s\n", (char *) alGetString(AL_EXTENSIONS));
+ }
+
+ num_channels = maxsoftwarechannels;
+ channels = new OPENAL_Channels[maxsoftwarechannels];
+ memset(channels, '\0', sizeof (OPENAL_Channels) * num_channels);
+ for (int i = 0; i < num_channels; i++)
+ alGenSources(1, &channels[i].sid); // !!! FIXME: verify this didn't fail!
+
+ initialized = true;
+ return TRUE;
}
-int F_API FSOUND_PlaySoundEx(int channel, FSOUND_SAMPLE *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
+void F_API OPENAL_Close()
{
- return 0;
+ if (!initialized) return;
+
+ ALCcontext *ctx = alcGetCurrentContext();
+ if (ctx)
+ {
+ for (int i = 0; i < num_channels; i++)
+ {
+ alSourceStop(channels[i].sid);
+ alSourcei(channels[i].sid, AL_BUFFER, 0);
+ alDeleteSources(1, &channels[i].sid);
+ }
+ ALCdevice *dev = alcGetContextsDevice(ctx);
+ alcMakeContextCurrent(NULL);
+ alcSuspendContext(ctx);
+ alcDestroyContext(ctx);
+ alcCloseDevice(dev);
+ }
+
+ num_channels = 0;
+ delete[] channels;
+ channels = NULL;
+
+ unload_alsyms();
+ initialized = false;
}
-#undef FSOUND_Sample_Load
-FSOUND_SAMPLE * F_API FSOUND_Sample_Load(int index, const char *name_or_data, unsigned int mode, int offset, int length)
+FSOUND_SAMPLE *F_API OPENAL_GetCurrentSample(int channel)
{
- return 0;
+ if (!initialized) return NULL;
+ if ((channel < 0) || (channel >= num_channels)) return NULL;
+ return channels[channel].sample;
}
-void F_API FSOUND_Sample_Free(FSOUND_SAMPLE *sptr)
+signed char F_API OPENAL_GetPaused(int channel)
{
+ if (!initialized) return FALSE;
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+ if (channels[channel].startpaused)
+ return(TRUE);
+
+ ALint state = 0;
+ alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+ return((state == AL_PAUSED) ? TRUE : FALSE);
}
-signed char F_API FSOUND_Sample_SetMode(FSOUND_SAMPLE *sptr, unsigned int mode)
+unsigned int F_API OPENAL_GetLoopMode(int channel)
{
- return 0;
+ if (!initialized) return 0;
+ if ((channel < 0) || (channel >= num_channels)) return 0;
+ ALint loop = 0;
+ alGetSourceiv(channels[channel].sid, AL_LOOPING, &loop);
+ if (loop)
+ return(FSOUND_LOOP_NORMAL);
+ return FSOUND_LOOP_OFF;
}
-signed char F_API FSOUND_Sample_SetMinMaxDistance(FSOUND_SAMPLE *sptr, float min, float max)
+signed char F_API OPENAL_IsPlaying(int channel)
{
- return 0;
+ if (!initialized) return FALSE;
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+ ALint state = 0;
+ alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+ return((state == AL_PLAYING) ? TRUE : FALSE);
}
-signed char F_API FSOUND_SetFrequency(int channel, int freq)
+int F_API OPENAL_PlaySoundEx(int channel, FSOUND_SAMPLE *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
{
- return 0;
+ if (!initialized) return -1;
+ if (sptr == NULL) return -1;
+ if (dsp != NULL) return -1;
+ if (channel == FSOUND_FREE)
+ {
+ for (int i = 0; i < num_channels; i++)
+ {
+ ALint state = 0;
+ alGetSourceiv(channels[i].sid, AL_SOURCE_STATE, &state);
+ if ((state != AL_PLAYING) && (state != AL_PAUSED))
+ {
+ channel = i;
+ break;
+ }
+ }
+ }
+
+ if ((channel < 0) || (channel >= num_channels)) return -1;
+ alSourceStop(channels[channel].sid);
+ channels[channel].sample = sptr;
+ alSourcei(channels[channel].sid, AL_BUFFER, sptr->bid);
+ alSourcei(channels[channel].sid, AL_LOOPING, (sptr->mode == FSOUND_LOOP_OFF) ? AL_FALSE : AL_TRUE);
+ set_channel_position(channel, 0.0f, 0.0f, 0.0f);
+
+ channels[channel].startpaused = ((startpaused) ? true : false);
+ if (!startpaused)
+ alSourcePlay(channels[channel].sid);
+ return channel;
}
-signed char F_API FSOUND_SetVolume(int channel, int vol)
+
+static void *decode_to_pcm(const char *_fname, ALenum &format, ALsizei &size, ALuint &freq)
{
- return 0;
+#ifdef __POWERPC__
+ const int bigendian = 1;
+#else
+ const int bigendian = 0;
+#endif
+
+ // !!! FIXME: if it's not Ogg, we don't have a decoder. I'm lazy. :/
+ char *fname = (char *) alloca(strlen(_fname) + 16);
+ strcpy(fname, _fname);
+ char *ptr = strchr(fname, '.');
+ if (ptr) *ptr = NULL;
+ strcat(fname, ".ogg");
+
+ // just in case...
+ #undef fopen
+ FILE *io = fopen(fname, "rb");
+ if (io == NULL)
+ return NULL;
+
+ ALubyte *retval = NULL;
+
+ #if 0 // untested, so disable this!
+ // Can we just feed it to the AL compressed?
+ if (alIsExtensionPresent((const ALubyte *) "AL_EXT_vorbis"))
+ {
+ format = alGetEnumValue((const ALubyte *) "AL_FORMAT_VORBIS_EXT");
+ freq = 44100;
+ fseek(io, 0, SEEK_END);
+ size = ftell(io);
+ fseek(io, 0, SEEK_SET);
+ retval = (ALubyte *) malloc(size);
+ size_t rc = fread(retval, size, 1, io);
+ fclose(io);
+ if (rc != 1)
+ {
+ free(retval);
+ return NULL;
+ }
+ return retval;
+ }
+ #endif
+
+ // Uncompress and feed to the AL.
+ OggVorbis_File vf;
+ memset(&vf, '\0', sizeof (vf));
+ if (ov_open(io, &vf, NULL, 0) == 0)
+ {
+ int bitstream = 0;
+ vorbis_info *info = ov_info(&vf, -1);
+ size = 0;
+ format = (info->channels == 1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
+ freq = info->rate;
+
+ if ((info->channels != 1) && (info->channels != 2))
+ {
+ ov_clear(&vf);
+ return NULL;
+ }
+
+ char buf[1024 * 16];
+ long rc = 0;
+ size_t allocated = 64 * 1024;
+ retval = (ALubyte *) malloc(allocated);
+ while ( (rc = ov_read(&vf, buf, sizeof (buf), bigendian, 2, 1, &bitstream)) != 0 )
+ {
+ if (rc > 0)
+ {
+ size += rc;
+ if (size >= allocated)
+ {
+ allocated *= 2;
+ ALubyte *tmp = (ALubyte *) realloc(retval, allocated);
+ if (tmp == NULL)
+ {
+ free(retval);
+ retval = NULL;
+ break;
+ }
+ retval = tmp;
+ }
+ memcpy(retval + (size - rc), buf, rc);
+ }
+ }
+ ov_clear(&vf);
+ return retval;
+ }
+
+ fclose(io);
+ return NULL;
}
-signed char F_API FSOUND_SetPaused(int channel, signed char paused)
+
+FSOUND_SAMPLE * F_API OPENAL_Sample_Load(int index, const char *name_or_data, unsigned int mode, int offset, int length)
{
- return 0;
+ if (!initialized) return NULL;
+ if (index != FSOUND_FREE) return NULL; // this is all the game does...
+ if (offset != 0) return NULL; // this is all the game does...
+ if (length != 0) return NULL; // this is all the game does...
+ if ((mode != FSOUND_HW3D) && (mode != FSOUND_2D)) return NULL; // this is all the game does...
+
+ FSOUND_SAMPLE *retval = NULL;
+ ALuint bufferName = 0;
+ ALenum format = AL_NONE;
+ ALsizei size = 0;
+ ALuint frequency = 0;
+ void *data = decode_to_pcm(name_or_data, format, size, frequency);
+ if (data == NULL)
+ return NULL;
+
+ ALuint bid = 0;
+ alGetError();
+ alGenBuffers(1, &bid);
+ if (alGetError() == AL_NO_ERROR)
+ {
+ alBufferData(bid, format, data, size, frequency);
+ retval = new FSOUND_SAMPLE;
+ retval->bid = bid;
+ retval->mode = FSOUND_LOOP_OFF;
+ retval->is2d = (mode == FSOUND_2D);
+ retval->name = new char[strlen(name_or_data) + 1];
+ if (retval->name)
+ strcpy(retval->name, name_or_data);
+ }
+
+ free(data);
+ return(retval);
}
-void F_API FSOUND_SetSFXMasterVolume(int volume)
+void F_API OPENAL_Sample_Free(FSOUND_SAMPLE *sptr)
{
+ if (!initialized) return;
+ if (sptr)
+ {
+ for (int i = 0; i < num_channels; i++)
+ {
+ if (channels[i].sample == sptr)
+ {
+ alSourceStop(channels[i].sid);
+ alSourcei(channels[i].sid, AL_BUFFER, 0);
+ channels[i].sample = NULL;
+ }
+ }
+ alDeleteBuffers(1, &sptr->bid);
+ delete[] sptr->name;
+ delete sptr;
+ }
}
-signed char F_API FSOUND_StopSound(int channel)
+signed char F_API OPENAL_Sample_SetMode(FSOUND_SAMPLE *sptr, unsigned int mode)
{
- return 0;
+ if (!initialized) return FALSE;
+ if ((mode != FSOUND_LOOP_NORMAL) && (mode != FSOUND_LOOP_OFF)) return FALSE;
+ if (!sptr) return FALSE;
+ sptr->mode = mode;
+ return TRUE;
}
-FSOUND_STREAM * F_API FSOUND_Stream_Open(const char *name_or_data, unsigned int mode, int offset, int length)
+signed char F_API OPENAL_Sample_SetMinMaxDistance(FSOUND_SAMPLE *sptr, float mindist, float maxdist)
{
+ if (!initialized) return FALSE;
+ if (sptr == NULL) return FALSE;
+ sptr->min_distance = mindist;
+ // we ignore maxdist. It's not really important to this game, and the
+ // FMOD docs suggest that it's worthless anyhow.
+
+ // recalc sources to see if we need to adjust attenuation.
+ for (int i = 0; i < num_channels; i++)
+ {
+ if (channels[i].sample == sptr)
+ {
+ const float *p = channels[i].position;
+ set_channel_position(i, p[0], p[1], p[2]);
+ }
+ }
+
return 0;
}
-signed char F_API FSOUND_Stream_Close(FSOUND_STREAM *stream)
+signed char F_API OPENAL_SetFrequency(int channel, int freq)
{
- return 0;
+ if (!initialized) return FALSE;
+ if (channel == FSOUND_ALL)
+ {
+ for (int i = 0; i < num_channels; i++)
+ OPENAL_SetFrequency(i, freq);
+ return TRUE;
+ }
+
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+ if (freq == 8012) // hack
+ alSourcef(channels[channel].sid, AL_PITCH, 8012.0f / 44100.0f);
+ else
+ alSourcef(channels[channel].sid, AL_PITCH, 1.0f);
+ return TRUE;
}
-FSOUND_SAMPLE * F_API FSOUND_Stream_GetSample(FSOUND_STREAM *stream)
+signed char F_API OPENAL_SetVolume(int channel, int vol)
{
- return 0;
+ if (!initialized) return FALSE;
+
+ if (channel == FSOUND_ALL)
+ {
+ for (int i = 0; i < num_channels; i++)
+ OPENAL_SetVolume(i, vol);
+ return TRUE;
+ }
+
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+
+ if (vol < 0) vol = 0;
+ else if (vol > 255) vol = 255;
+ ALfloat gain = ((ALfloat) vol) / 255.0f;
+ alSourcef(channels[channel].sid, AL_GAIN, gain);
+ return TRUE;
}
-int F_API FSOUND_Stream_PlayEx(int channel, FSOUND_STREAM *stream, FSOUND_DSPUNIT *dsp, signed char startpaused)
+signed char F_API OPENAL_SetPaused(int channel, signed char paused)
{
- return 0;
+ if (!initialized) return FALSE;
+
+ if (channel == FSOUND_ALL)
+ {
+ for (int i = 0; i < num_channels; i++)
+ OPENAL_SetPaused(i, paused);
+ return TRUE;
+ }
+
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+
+ ALint state = 0;
+ if (channels[channel].startpaused)
+ state = AL_PAUSED;
+ else
+ alGetSourceiv(channels[channel].sid, AL_SOURCE_STATE, &state);
+
+ if ((paused) && (state == AL_PLAYING))
+ alSourcePause(channels[channel].sid);
+ else if ((!paused) && (state == AL_PAUSED))
+ {
+ alSourcePlay(channels[channel].sid);
+ channels[channel].startpaused = false;
+ }
+ return TRUE;
}
-signed char F_API FSOUND_Stream_Stop(FSOUND_STREAM *stream)
+void F_API OPENAL_SetSFXMasterVolume(int volume)
{
- return 0;
+ if (!initialized) return;
+ ALfloat gain = ((ALfloat) volume) / 255.0f;
+ alListenerf(AL_GAIN, gain);
}
-signed char F_API FSOUND_Stream_SetMode(FSOUND_STREAM *stream, unsigned int mode)
+signed char F_API OPENAL_StopSound(int channel)
{
- return 0;
+ if (!initialized) return FALSE;
+
+ if (channel == FSOUND_ALL)
+ {
+ for (int i = 0; i < num_channels; i++)
+ OPENAL_StopSound(i);
+ return TRUE;
+ }
+
+ if ((channel < 0) || (channel >= num_channels)) return FALSE;
+ alSourceStop(channels[channel].sid);
+ channels[channel].startpaused = false;
+ return TRUE;
+}
+
+FSOUND_STREAM * F_API OPENAL_Stream_Open(const char *name_or_data, unsigned int mode, int offset, int length)
+{
+ return (FSOUND_STREAM *) OPENAL_Sample_Load(FSOUND_FREE, name_or_data, mode, offset, length);
+}
+
+signed char F_API OPENAL_Stream_Close(FSOUND_STREAM *stream)
+{
+ OPENAL_Sample_Free((FSOUND_SAMPLE *) stream);
+}
+
+FSOUND_SAMPLE * F_API OPENAL_Stream_GetSample(FSOUND_STREAM *stream)
+{
+ if (!initialized) return NULL;
+ return (FSOUND_SAMPLE *) stream;
+}
+
+int F_API OPENAL_Stream_PlayEx(int channel, FSOUND_STREAM *stream, FSOUND_DSPUNIT *dsp, signed char startpaused)
+{
+ return OPENAL_PlaySoundEx(channel, (FSOUND_SAMPLE *) stream, dsp, startpaused);
+}
+
+signed char F_API OPENAL_Stream_Stop(FSOUND_STREAM *stream)
+{
+ if (!initialized) return FALSE;
+ for (int i = 0; i < num_channels; i++)
+ {
+ if (channels[i].sample == (FSOUND_SAMPLE *) stream)
+ {
+ alSourceStop(channels[i].sid);
+ channels[i].startpaused = false;
+ }
+ }
+ return TRUE;
+}
+
+signed char F_API OPENAL_Stream_SetMode(FSOUND_STREAM *stream, unsigned int mode)
+{
+ return OPENAL_Sample_SetMode((FSOUND_SAMPLE *) stream, mode);
+}
+
+void F_API OPENAL_Update()
+{
+ if (!initialized) return;
+ alcProcessContext(alcGetCurrentContext());
}
-void F_API FSOUND_Update()
+signed char F_API OPENAL_SetOutput(int outputtype)
{
+ return TRUE;
}
#endif
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