AuroraOpenALSoft/OpenAL32/alSoundfont.c
2014-01-05 05:11:07 -08:00

529 lines
13 KiB
C

#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "alMain.h"
#include "alMidi.h"
#include "alThunk.h"
#include "alError.h"
#include "midi/base.h"
extern inline struct ALsoundfont *LookupSfont(ALCdevice *device, ALuint id);
extern inline struct ALsoundfont *RemoveSfont(ALCdevice *device, ALuint id);
void ALsoundfont_Construct(ALsoundfont *self);
void ALsoundfont_Destruct(ALsoundfont *self);
void ALsoundfont_deleteSoundfont(ALsoundfont *self, ALCdevice *device);
ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context);
static size_t ALsoundfont_read(ALvoid *buf, size_t bytes, ALvoid *ptr);
AL_API void AL_APIENTRY alGenSoundfontsSOFT(ALsizei n, ALuint *ids)
{
ALCdevice *device;
ALCcontext *context;
ALsizei cur = 0;
ALenum err;
context = GetContextRef();
if(!context) return;
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
device = context->Device;
for(cur = 0;cur < n;cur++)
{
ALsoundfont *sfont = calloc(1, sizeof(ALsoundfont));
if(!sfont)
{
alDeleteSoundfontsSOFT(cur, ids);
SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
}
ALsoundfont_Construct(sfont);
err = NewThunkEntry(&sfont->id);
if(err == AL_NO_ERROR)
err = InsertUIntMapEntry(&device->SfontMap, sfont->id, sfont);
if(err != AL_NO_ERROR)
{
ALsoundfont_Destruct(sfont);
memset(sfont, 0, sizeof(ALsoundfont));
free(sfont);
alDeleteSoundfontsSOFT(cur, ids);
SET_ERROR_AND_GOTO(context, err, done);
}
ids[cur] = sfont->id;
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDeleteSoundfontsSOFT(ALsizei n, const ALuint *ids)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
ALsizei i;
context = GetContextRef();
if(!context) return;
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
device = context->Device;
for(i = 0;i < n;i++)
{
/* Check for valid soundfont ID */
if(ids[i] == 0)
{
if(!(sfont=device->DefaultSfont))
continue;
}
else if((sfont=LookupSfont(device, ids[i])) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(sfont->Mapped != AL_FALSE || sfont->ref != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
for(i = 0;i < n;i++)
{
if(ids[i] == 0)
{
MidiSynth *synth = device->Synth;
WriteLock(&synth->Lock);
if(device->DefaultSfont != NULL)
ALsoundfont_deleteSoundfont(device->DefaultSfont, device);
device->DefaultSfont = NULL;
WriteUnlock(&synth->Lock);
continue;
}
else if((sfont=RemoveSfont(device, ids[i])) == NULL)
continue;
ALsoundfont_Destruct(sfont);
memset(sfont, 0, sizeof(*sfont));
free(sfont);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALboolean AL_APIENTRY alIsSoundfontSOFT(ALuint id)
{
ALCcontext *context;
ALboolean ret;
context = GetContextRef();
if(!context) return AL_FALSE;
ret = ((!id || LookupSfont(context->Device, id)) ?
AL_TRUE : AL_FALSE);
ALCcontext_DecRef(context);
return ret;
}
AL_API ALvoid AL_APIENTRY alSoundfontSamplesSOFT(ALuint id, ALenum type, ALsizei count, const ALvoid *samples)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
void *ptr;
context = GetContextRef();
if(!context) return;
device = context->Device;
if(id == 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(type != AL_SHORT_SOFT)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(count <= 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
WriteLock(&sfont->Lock);
if(sfont->ref != 0)
alSetError(context, AL_INVALID_OPERATION);
else if(sfont->Mapped)
alSetError(context, AL_INVALID_OPERATION);
else if(!(ptr=realloc(sfont->Samples, count * sizeof(ALshort))))
alSetError(context, AL_OUT_OF_MEMORY);
else
{
sfont->Samples = ptr;
sfont->NumSamples = count;
if(samples != NULL)
memcpy(sfont->Samples, samples, count * sizeof(ALshort));
}
WriteUnlock(&sfont->Lock);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid* AL_APIENTRY alSoundfontMapSamplesSOFT(ALuint id, ALsizei offset, ALsizei length)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
ALvoid *ptr = NULL;
context = GetContextRef();
if(!context) return NULL;
device = context->Device;
if(id == 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(offset < 0 || (ALuint)offset > sfont->NumSamples*sizeof(ALshort))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(length <= 0 || (ALuint)length > (sfont->NumSamples*sizeof(ALshort) - offset))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
ReadLock(&sfont->Lock);
if(sfont->ref != 0)
alSetError(context, AL_INVALID_OPERATION);
else if(ExchangeInt(&sfont->Mapped, AL_TRUE) == AL_TRUE)
alSetError(context, AL_INVALID_OPERATION);
else
ptr = (ALbyte*)sfont->Samples + offset;
ReadUnlock(&sfont->Lock);
done:
ALCcontext_DecRef(context);
return ptr;
}
AL_API ALvoid AL_APIENTRY alSoundfontUnmapSamplesSOFT(ALuint id)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
context = GetContextRef();
if(!context) return;
device = context->Device;
if(id == 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(ExchangeInt(&sfont->Mapped, AL_FALSE) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
done:
ALCcontext_DecRef(context);
}
AL_API void AL_APIENTRY alGetSoundfontivSOFT(ALuint id, ALenum param, ALint *values)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
ALsizei i;
context = GetContextRef();
if(!context) return;
device = context->Device;
if(id == 0)
sfont = ALsoundfont_getDefSoundfont(context);
else if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
case AL_PRESETS_SIZE_SOFT:
values[0] = sfont->NumPresets;
break;
case AL_PRESETS_SOFT:
for(i = 0;i < sfont->NumPresets;i++)
values[i] = sfont->Presets[i]->id;
break;
case AL_SAMPLE_LENGTH_SOFT:
values[0] = sfont->NumSamples;
break;
case AL_FORMAT_TYPE_SOFT:
values[0] = AL_SHORT_SOFT;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API void AL_APIENTRY alSoundfontPresetsSOFT(ALuint id, ALsizei count, const ALuint *pids)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
ALsfpreset **presets;
ALsizei i;
context = GetContextRef();
if(!context) return;
device = context->Device;
if(id == 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(count < 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
WriteLock(&sfont->Lock);
if(sfont->ref != 0)
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
if(count == 0)
presets = NULL;
else
{
presets = calloc(count, sizeof(presets[0]));
if(!presets)
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
}
for(i = 0;i < count;i++)
{
if(!(presets[i]=LookupPreset(device, pids[i])))
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
}
}
for(i = 0;i < count;i++)
IncrementRef(&presets[i]->ref);
presets = ExchangePtr((XchgPtr*)&sfont->Presets, presets);
count = ExchangeInt(&sfont->NumPresets, count);
WriteUnlock(&sfont->Lock);
for(i = 0;i < count;i++)
DecrementRef(&presets[i]->ref);
free(presets);
done:
ALCcontext_DecRef(context);
}
AL_API void AL_APIENTRY alLoadSoundfontSOFT(ALuint id, size_t(*cb)(ALvoid*,size_t,ALvoid*), ALvoid *user)
{
ALCdevice *device;
ALCcontext *context;
ALsoundfont *sfont;
Reader reader;
context = GetContextRef();
if(!context) return;
device = context->Device;
if(id == 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
if(!(sfont=LookupSfont(device, id)))
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
WriteLock(&sfont->Lock);
if(sfont->ref != 0)
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
if(sfont->Mapped)
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
if(sfont->NumPresets > 0)
{
WriteUnlock(&sfont->Lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
reader.cb = cb;
reader.ptr = user;
reader.error = 0;
loadSf2(&reader, sfont, context);
WriteUnlock(&sfont->Lock);
done:
ALCcontext_DecRef(context);
}
void ALsoundfont_Construct(ALsoundfont *self)
{
self->ref = 0;
self->Presets = NULL;
self->NumPresets = 0;
self->Samples = NULL;
self->NumSamples = 0;
RWLockInit(&self->Lock);
self->Mapped = AL_FALSE;
self->id = 0;
}
void ALsoundfont_Destruct(ALsoundfont *self)
{
ALsizei i;
FreeThunkEntry(self->id);
self->id = 0;
for(i = 0;i < self->NumPresets;i++)
{
DecrementRef(&self->Presets[i]->ref);
self->Presets[i] = NULL;
}
free(self->Presets);
self->Presets = NULL;
self->NumPresets = 0;
free(self->Samples);
self->Samples = NULL;
self->NumSamples = 0;
}
ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context)
{
ALCdevice *device = context->Device;
const char *fname;
if(device->DefaultSfont)
return device->DefaultSfont;
device->DefaultSfont = calloc(1, sizeof(device->DefaultSfont[0]));
ALsoundfont_Construct(device->DefaultSfont);
fname = getenv("ALSOFT_SOUNDFONT");
if((fname && fname[0]) || ConfigValueStr("midi", "soundfont", &fname))
{
FILE *f;
f = fopen(fname, "rb");
if(f == NULL)
ERR("Failed to open %s\n", fname);
else
{
Reader reader;
reader.cb = ALsoundfont_read;
reader.ptr = f;
reader.error = 0;
TRACE("Loading %s\n", fname);
loadSf2(&reader, device->DefaultSfont, context);
fclose(f);
}
}
return device->DefaultSfont;
}
void ALsoundfont_deleteSoundfont(ALsoundfont *self, ALCdevice *device)
{
ALsfpreset **presets;
ALsizei num_presets;
ALsizei i;
presets = ExchangePtr((XchgPtr*)&self->Presets, NULL);
num_presets = ExchangeInt(&self->NumPresets, 0);
for(i = 0;i < num_presets;i++)
{
ALsfpreset *preset = presets[i];
ALfontsound **sounds;
ALsizei num_sounds;
ALboolean deleting;
ALsizei j;
sounds = ExchangePtr((XchgPtr*)&preset->Sounds, NULL);
num_sounds = ExchangeInt(&preset->NumSounds, 0);
DeletePreset(preset, device);
preset = NULL;
for(j = 0;j < num_sounds;j++)
DecrementRef(&sounds[j]->ref);
/* Some fontsounds may not be immediately deletable because they're
* linked to another fontsound. When those fontsounds are deleted
* they should become deletable, so use a loop until all fontsounds
* are deleted. */
do {
deleting = AL_FALSE;
for(j = 0;j < num_sounds;j++)
{
if(sounds[j] && sounds[j]->ref == 0)
{
deleting = AL_TRUE;
RemoveFontsound(device, sounds[j]->id);
ALfontsound_Destruct(sounds[j]);
free(sounds[j]);
sounds[j] = NULL;
}
}
} while(deleting);
free(sounds);
}
ALsoundfont_Destruct(self);
free(self);
}
static size_t ALsoundfont_read(ALvoid *buf, size_t bytes, ALvoid *ptr)
{
return fread(buf, 1, bytes, (FILE*)ptr);
}
/* ReleaseALSoundfonts
*
* Called to destroy any soundfonts that still exist on the device
*/
void ReleaseALSoundfonts(ALCdevice *device)
{
ALsizei i;
for(i = 0;i < device->SfontMap.size;i++)
{
ALsoundfont *temp = device->SfontMap.array[i].value;
device->SfontMap.array[i].value = NULL;
ALsoundfont_Destruct(temp);
memset(temp, 0, sizeof(*temp));
free(temp);
}
}