AuroraOpenALSoft/OpenAL32/alSoundfont.c
2014-07-20 01:27:33 -07:00

455 lines
12 KiB
C

#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "alMain.h"
#include "alMidi.h"
#include "alThunk.h"
#include "alError.h"
#include <alBuffer.h>
#include "midi/base.h"
extern inline struct ALsoundfont *LookupSfont(ALCdevice *device, ALuint id);
extern inline struct ALsoundfont *RemoveSfont(ALCdevice *device, ALuint id);
static void ALsoundfont_Construct(ALsoundfont *self);
static 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(ReadRef(&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 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;
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(ReadRef(&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])))
{
free(presets);
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(ReadRef(&sfont->ref) != 0)
{
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);
}
static void ALsoundfont_Construct(ALsoundfont *self)
{
InitRef(&self->ref, 0);
self->Presets = NULL;
self->NumPresets = 0;
RWLockInit(&self->Lock);
self->id = 0;
}
static 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;
}
ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context)
{
ALCdevice *device = context->Device;
al_string fname = AL_STRING_INIT_STATIC();
const char *namelist;
if(device->DefaultSfont)
return device->DefaultSfont;
device->DefaultSfont = calloc(1, sizeof(device->DefaultSfont[0]));
ALsoundfont_Construct(device->DefaultSfont);
namelist = getenv("ALSOFT_SOUNDFONT");
if(!namelist || !namelist[0])
ConfigValueStr("midi", "soundfont", &namelist);
while(namelist && namelist[0])
{
const char *next, *end;
FILE *f;
while(*namelist && (isspace(*namelist) || *namelist == ','))
namelist++;
if(!*namelist)
break;
next = strchr(namelist, ',');
end = next ? next++ : (namelist+strlen(namelist));
while(--end != namelist && isspace(*end)) {
}
if(end == namelist)
continue;
al_string_append_range(&fname, namelist, end+1);
namelist = next;
f = OpenDataFile(al_string_get_cstr(fname), "openal/soundfonts");
if(f == NULL)
ERR("Failed to open %s\n", al_string_get_cstr(fname));
else
{
Reader reader;
reader.cb = ALsoundfont_read;
reader.ptr = f;
reader.error = 0;
TRACE("Loading %s\n", al_string_get_cstr(fname));
loadSf2(&reader, device->DefaultSfont, context);
fclose(f);
}
al_string_clear(&fname);
}
AL_STRING_DEINIT(fname);
return device->DefaultSfont;
}
void ALsoundfont_deleteSoundfont(ALsoundfont *self, ALCdevice *device)
{
ALsfpreset **presets;
ALsizei num_presets;
VECTOR(ALbuffer*) buffers;
ALsizei i;
VECTOR_INIT(buffers);
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(device, preset);
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] && ReadRef(&sounds[j]->ref) == 0)
{
deleting = AL_TRUE;
if(sounds[j]->Buffer)
{
ALbuffer *buffer = sounds[j]->Buffer;
ALbuffer **iter;
#define MATCH_BUFFER(_i) (buffer == *(_i))
VECTOR_FIND_IF(iter, ALbuffer*, buffers, MATCH_BUFFER);
if(iter == VECTOR_ITER_END(buffers))
VECTOR_PUSH_BACK(buffers, buffer);
#undef MATCH_BUFFER
}
DeleteFontsound(device, sounds[j]);
sounds[j] = NULL;
}
}
} while(deleting);
free(sounds);
}
ALsoundfont_Destruct(self);
free(self);
#define DELETE_BUFFER(iter) do { \
assert(ReadRef(&(*(iter))->ref) == 0); \
DeleteBuffer(device, *(iter)); \
} while(0)
VECTOR_FOR_EACH(ALbuffer*, buffers, DELETE_BUFFER);
VECTOR_DEINIT(buffers);
#undef DELETE_BUFFER
}
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);
}
}