mirror of
https://github.com/love2d/megasource.git
synced 2026-08-20 04:30:45 +02:00
Added OpenAL-Soft 1.16.0.
This commit is contained in:
rude
@@ -0,0 +1,454 @@
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "alMain.h"
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#include "alMidi.h"
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#include "alThunk.h"
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#include "alError.h"
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#include <alBuffer.h>
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#include "midi/base.h"
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extern inline struct ALsoundfont *LookupSfont(ALCdevice *device, ALuint id);
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extern inline struct ALsoundfont *RemoveSfont(ALCdevice *device, ALuint id);
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static void ALsoundfont_Construct(ALsoundfont *self);
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static void ALsoundfont_Destruct(ALsoundfont *self);
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void ALsoundfont_deleteSoundfont(ALsoundfont *self, ALCdevice *device);
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ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context);
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static size_t ALsoundfont_read(ALvoid *buf, size_t bytes, ALvoid *ptr);
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AL_API void AL_APIENTRY alGenSoundfontsSOFT(ALsizei n, ALuint *ids)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALsizei cur = 0;
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ALenum err;
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context = GetContextRef();
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if(!context) return;
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if(!(n >= 0))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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device = context->Device;
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for(cur = 0;cur < n;cur++)
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{
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ALsoundfont *sfont = calloc(1, sizeof(ALsoundfont));
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if(!sfont)
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{
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alDeleteSoundfontsSOFT(cur, ids);
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SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
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}
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ALsoundfont_Construct(sfont);
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err = NewThunkEntry(&sfont->id);
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if(err == AL_NO_ERROR)
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err = InsertUIntMapEntry(&device->SfontMap, sfont->id, sfont);
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if(err != AL_NO_ERROR)
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{
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ALsoundfont_Destruct(sfont);
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memset(sfont, 0, sizeof(ALsoundfont));
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free(sfont);
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alDeleteSoundfontsSOFT(cur, ids);
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SET_ERROR_AND_GOTO(context, err, done);
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}
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ids[cur] = sfont->id;
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALvoid AL_APIENTRY alDeleteSoundfontsSOFT(ALsizei n, const ALuint *ids)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALsoundfont *sfont;
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ALsizei i;
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context = GetContextRef();
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if(!context) return;
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if(!(n >= 0))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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device = context->Device;
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for(i = 0;i < n;i++)
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{
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/* Check for valid soundfont ID */
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if(ids[i] == 0)
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{
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if(!(sfont=device->DefaultSfont))
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continue;
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}
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else if((sfont=LookupSfont(device, ids[i])) == NULL)
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SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
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if(ReadRef(&sfont->ref) != 0)
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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}
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for(i = 0;i < n;i++)
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{
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if(ids[i] == 0)
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{
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MidiSynth *synth = device->Synth;
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WriteLock(&synth->Lock);
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if(device->DefaultSfont != NULL)
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ALsoundfont_deleteSoundfont(device->DefaultSfont, device);
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device->DefaultSfont = NULL;
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WriteUnlock(&synth->Lock);
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continue;
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}
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else if((sfont=RemoveSfont(device, ids[i])) == NULL)
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continue;
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ALsoundfont_Destruct(sfont);
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memset(sfont, 0, sizeof(*sfont));
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free(sfont);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API ALboolean AL_APIENTRY alIsSoundfontSOFT(ALuint id)
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{
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ALCcontext *context;
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ALboolean ret;
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context = GetContextRef();
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if(!context) return AL_FALSE;
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ret = ((!id || LookupSfont(context->Device, id)) ?
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AL_TRUE : AL_FALSE);
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ALCcontext_DecRef(context);
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return ret;
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}
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AL_API void AL_APIENTRY alGetSoundfontivSOFT(ALuint id, ALenum param, ALint *values)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALsoundfont *sfont;
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ALsizei i;
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context = GetContextRef();
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if(!context) return;
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device = context->Device;
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if(id == 0)
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sfont = ALsoundfont_getDefSoundfont(context);
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else if(!(sfont=LookupSfont(device, id)))
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SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
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switch(param)
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{
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case AL_PRESETS_SIZE_SOFT:
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values[0] = sfont->NumPresets;
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break;
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case AL_PRESETS_SOFT:
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for(i = 0;i < sfont->NumPresets;i++)
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values[i] = sfont->Presets[i]->id;
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break;
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default:
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SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
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}
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done:
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ALCcontext_DecRef(context);
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}
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AL_API void AL_APIENTRY alSoundfontPresetsSOFT(ALuint id, ALsizei count, const ALuint *pids)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALsoundfont *sfont;
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ALsfpreset **presets;
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ALsizei i;
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context = GetContextRef();
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if(!context) return;
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device = context->Device;
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if(id == 0)
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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if(!(sfont=LookupSfont(device, id)))
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SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
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if(count < 0)
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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WriteLock(&sfont->Lock);
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if(ReadRef(&sfont->ref) != 0)
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{
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WriteUnlock(&sfont->Lock);
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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}
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if(count == 0)
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presets = NULL;
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else
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{
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presets = calloc(count, sizeof(presets[0]));
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if(!presets)
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{
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WriteUnlock(&sfont->Lock);
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SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
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}
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for(i = 0;i < count;i++)
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{
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if(!(presets[i]=LookupPreset(device, pids[i])))
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{
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free(presets);
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WriteUnlock(&sfont->Lock);
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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}
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}
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}
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for(i = 0;i < count;i++)
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IncrementRef(&presets[i]->ref);
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presets = ExchangePtr((XchgPtr*)&sfont->Presets, presets);
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count = ExchangeInt(&sfont->NumPresets, count);
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WriteUnlock(&sfont->Lock);
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for(i = 0;i < count;i++)
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DecrementRef(&presets[i]->ref);
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free(presets);
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done:
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ALCcontext_DecRef(context);
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}
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AL_API void AL_APIENTRY alLoadSoundfontSOFT(ALuint id, size_t(*cb)(ALvoid*,size_t,ALvoid*), ALvoid *user)
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{
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ALCdevice *device;
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ALCcontext *context;
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ALsoundfont *sfont;
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Reader reader;
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context = GetContextRef();
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if(!context) return;
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device = context->Device;
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if(id == 0)
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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if(!(sfont=LookupSfont(device, id)))
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SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
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WriteLock(&sfont->Lock);
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if(ReadRef(&sfont->ref) != 0)
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{
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WriteUnlock(&sfont->Lock);
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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}
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if(sfont->NumPresets > 0)
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{
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WriteUnlock(&sfont->Lock);
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SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
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}
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reader.cb = cb;
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reader.ptr = user;
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reader.error = 0;
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loadSf2(&reader, sfont, context);
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WriteUnlock(&sfont->Lock);
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done:
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ALCcontext_DecRef(context);
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}
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static void ALsoundfont_Construct(ALsoundfont *self)
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{
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InitRef(&self->ref, 0);
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self->Presets = NULL;
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self->NumPresets = 0;
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RWLockInit(&self->Lock);
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self->id = 0;
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}
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static void ALsoundfont_Destruct(ALsoundfont *self)
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{
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ALsizei i;
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FreeThunkEntry(self->id);
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self->id = 0;
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for(i = 0;i < self->NumPresets;i++)
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{
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DecrementRef(&self->Presets[i]->ref);
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self->Presets[i] = NULL;
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}
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free(self->Presets);
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self->Presets = NULL;
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self->NumPresets = 0;
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}
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ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context)
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{
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ALCdevice *device = context->Device;
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al_string fname = AL_STRING_INIT_STATIC();
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const char *namelist;
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if(device->DefaultSfont)
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return device->DefaultSfont;
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device->DefaultSfont = calloc(1, sizeof(device->DefaultSfont[0]));
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ALsoundfont_Construct(device->DefaultSfont);
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namelist = getenv("ALSOFT_SOUNDFONT");
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if(!namelist || !namelist[0])
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ConfigValueStr("midi", "soundfont", &namelist);
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while(namelist && namelist[0])
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{
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const char *next, *end;
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FILE *f;
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while(*namelist && (isspace(*namelist) || *namelist == ','))
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namelist++;
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if(!*namelist)
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break;
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next = strchr(namelist, ',');
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end = next ? next++ : (namelist+strlen(namelist));
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while(--end != namelist && isspace(*end)) {
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}
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if(end == namelist)
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continue;
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al_string_append_range(&fname, namelist, end+1);
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namelist = next;
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f = OpenDataFile(al_string_get_cstr(fname), "openal/soundfonts");
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if(f == NULL)
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ERR("Failed to open %s\n", al_string_get_cstr(fname));
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else
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{
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Reader reader;
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reader.cb = ALsoundfont_read;
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reader.ptr = f;
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reader.error = 0;
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TRACE("Loading %s\n", al_string_get_cstr(fname));
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loadSf2(&reader, device->DefaultSfont, context);
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fclose(f);
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}
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al_string_clear(&fname);
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}
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AL_STRING_DEINIT(fname);
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return device->DefaultSfont;
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}
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void ALsoundfont_deleteSoundfont(ALsoundfont *self, ALCdevice *device)
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{
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ALsfpreset **presets;
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ALsizei num_presets;
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VECTOR(ALbuffer*) buffers;
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ALsizei i;
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VECTOR_INIT(buffers);
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presets = ExchangePtr((XchgPtr*)&self->Presets, NULL);
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num_presets = ExchangeInt(&self->NumPresets, 0);
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for(i = 0;i < num_presets;i++)
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{
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ALsfpreset *preset = presets[i];
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ALfontsound **sounds;
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ALsizei num_sounds;
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ALboolean deleting;
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ALsizei j;
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sounds = ExchangePtr((XchgPtr*)&preset->Sounds, NULL);
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num_sounds = ExchangeInt(&preset->NumSounds, 0);
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DeletePreset(device, preset);
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preset = NULL;
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for(j = 0;j < num_sounds;j++)
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DecrementRef(&sounds[j]->ref);
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/* Some fontsounds may not be immediately deletable because they're
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* linked to another fontsound. When those fontsounds are deleted
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* they should become deletable, so use a loop until all fontsounds
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* are deleted. */
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do {
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deleting = AL_FALSE;
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for(j = 0;j < num_sounds;j++)
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{
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if(sounds[j] && ReadRef(&sounds[j]->ref) == 0)
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{
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deleting = AL_TRUE;
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if(sounds[j]->Buffer)
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{
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ALbuffer *buffer = sounds[j]->Buffer;
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ALbuffer **iter;
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#define MATCH_BUFFER(_i) (buffer == *(_i))
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VECTOR_FIND_IF(iter, ALbuffer*, buffers, MATCH_BUFFER);
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if(iter == VECTOR_ITER_END(buffers))
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VECTOR_PUSH_BACK(buffers, buffer);
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#undef MATCH_BUFFER
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}
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DeleteFontsound(device, sounds[j]);
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sounds[j] = NULL;
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}
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}
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} while(deleting);
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free(sounds);
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}
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ALsoundfont_Destruct(self);
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free(self);
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#define DELETE_BUFFER(iter) do { \
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assert(ReadRef(&(*(iter))->ref) == 0); \
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DeleteBuffer(device, *(iter)); \
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} while(0)
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VECTOR_FOR_EACH(ALbuffer*, buffers, DELETE_BUFFER);
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VECTOR_DEINIT(buffers);
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#undef DELETE_BUFFER
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}
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static size_t ALsoundfont_read(ALvoid *buf, size_t bytes, ALvoid *ptr)
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{
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return fread(buf, 1, bytes, (FILE*)ptr);
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}
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/* ReleaseALSoundfonts
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*
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* Called to destroy any soundfonts that still exist on the device
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*/
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void ReleaseALSoundfonts(ALCdevice *device)
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{
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ALsizei i;
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for(i = 0;i < device->SfontMap.size;i++)
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{
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ALsoundfont *temp = device->SfontMap.array[i].value;
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device->SfontMap.array[i].value = NULL;
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ALsoundfont_Destruct(temp);
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memset(temp, 0, sizeof(*temp));
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free(temp);
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}
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}
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