Updates to libretro-common

This commit is contained in:
twinaphex 2018-04-21 06:29:56 +02:00
parent 6929db9fb6
commit e5d90eebd7
6 changed files with 362 additions and 2 deletions

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@ -0,0 +1,7 @@
filters = 1
filter0 = tremolo
# Defaults.
#tremolo_frequency = 4.0
#tremolo_depth = 0.9

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@ -0,0 +1,7 @@
filters = 1
filter0 = vibrato
# Defaults.
#vibrato_frequency = 5.0
#vibrato_depth = 0.5

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@ -0,0 +1,133 @@
/* Copyright (C) 2010-2017 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (tremolo.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <retro_miscellaneous.h>
#include <libretro_dspfilter.h>
#include <string/stdstring.h>
#define sqr(a) ((a) * (a))
struct tremolo_core
{
float freq;
float depth;
float* wavetable;
int index;
int maxindex;
};
struct tremolo
{
struct tremolo_core left, right;
};
static void tremolo_free(void *data)
{
struct tremolo *tre = (struct tremolo*)data;
free(tre->left.wavetable);
free(tre->right.wavetable);
free(data);
}
static void tremolocore_init(struct tremolo_core *core,float depth,int samplerate,float freq)
{
const double offset = 1. - depth / 2.;
unsigned i;
double env;
core->index = 0;
core->maxindex = samplerate/freq;
core->wavetable = malloc(core->maxindex*sizeof(float));
memset(core->wavetable, 0, core->maxindex * sizeof(float));
for (i = 0; i < core->maxindex; i++) {
env = freq * i / samplerate;
env = sin((M_PI*2) * fmod(env + 0.25, 1.0));
core->wavetable[i] = env * (1 - fabs(offset)) + offset;
}
}
float tremolocore_core(struct tremolo_core *core,float in)
{
core->index = core->index % core->maxindex;
return in * core->wavetable[core->index++];
}
static void tremolo_process(void *data, struct dspfilter_output *output,
const struct dspfilter_input *input)
{
unsigned i;
float *out;
struct tremolo *tre = (struct tremolo*)data;
output->samples = input->samples;
output->frames = input->frames;
out = output->samples;
for (i = 0; i < input->frames; i++, out += 2)
{
float in[2] = { out[0], out[1] };
out[0] = tremolocore_core(&tre->left, in[0]);
out[1] = tremolocore_core(&tre->right, in[1]);
}
}
static void *tremolo_init(const struct dspfilter_info *info,
const struct dspfilter_config *config, void *userdata)
{
float freq, depth;
struct tremolo *tre = (struct tremolo*)calloc(1, sizeof(*tre));
if (!tre)
return NULL;
config->get_float(userdata, "freq", &freq,4.0f);
config->get_float(userdata, "depth", &depth, 0.9f);
tremolocore_init(&tre->left,depth,info->input_rate,freq);
tremolocore_init(&tre->right,depth,info->input_rate,freq);
return tre;
}
static const struct dspfilter_implementation tremolo_plug = {
tremolo_init,
tremolo_process,
tremolo_free,
DSPFILTER_API_VERSION,
"Tremolo",
"tremolo",
};
#ifdef HAVE_FILTERS_BUILTIN
#define dspfilter_get_implementation tremolo_dspfilter_get_implementation
#endif
const struct dspfilter_implementation *dspfilter_get_implementation(dspfilter_simd_mask_t mask)
{
(void)mask;
return &tremolo_plug;
}
#undef dspfilter_get_implementation

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@ -0,0 +1,169 @@
/* Copyright (C) 2010-2017 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (vibrato.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <retro_miscellaneous.h>
#include <libretro_dspfilter.h>
#include <string/stdstring.h>
#define sqr(a) ((a) * (a))
const float BASE_DELAY_SEC = 0.002; // 2 ms
const float VIBRATO_FREQUENCY_DEFAULT_HZ = 2;
const float VIBRATO_FREQUENCY_MAX_HZ = 14;
const float VIBRATO_DEPTH_DEFAULT_PERCENT = 50;
const int add_delay = 3;
float hermite_interp(float x, float *y)
{
float c0, c1, c2, c3;
c0 = y[1];
c1 = (1.0 / 2.0)*(y[2] - y[0]);
c2 = (y[0] - (5.0 / 2.0)*y[1]) + (2.0*y[2] - (1.0 / 2.0)*y[3]);
c3 = (1.0 / 2.0)*(y[3] - y[0]) + (3.0 / 2.0)*(y[1] - y[2]);
return ((c3*x + c2)*x + c1)*x + c0;
}
struct vibrato_core
{
float freq;
float samplerate;
int phase;
float depth;
float* buffer;
int writeindex;
int size;
};
struct vibrato
{
struct vibrato_core left, right;
};
static void vibrato_free(void *data)
{
struct vibrato *vib = (struct vibrato*)data;
free(vib->left.buffer);
free(vib->right.buffer);
free(data);
}
static void vibratocore_init(struct vibrato_core *core,float depth,int samplerate,float freq)
{
core->size = BASE_DELAY_SEC * samplerate * 2;
core->buffer = malloc((core->size + add_delay)*sizeof(float));
memset(core->buffer, 0, (core->size + add_delay) * sizeof(float));
core->samplerate = samplerate;
core->freq = freq;
core->depth = depth;
core->phase = 0;
core->writeindex = 0;
}
float vibratocore_core(struct vibrato_core *core,float in)
{
float M = core->freq / core->samplerate;
int maxphase = core->samplerate / core->freq;
float lfo = sin(M * 2. * M_PI * core->phase++);
core->phase = core->phase % maxphase;
lfo = (lfo + 1) * 1.; // transform from [-1; 1] to [0; 1]
int maxdelay = BASE_DELAY_SEC * core->samplerate;
float delay = lfo * core->depth * maxdelay;
delay += add_delay;
float readindex = core->writeindex - 1 - delay;
while (readindex < 0)readindex += core->size;
while (readindex >= core->size)readindex -= core->size;
int ipart = (int)readindex; // integer part of the delay
float fpart = readindex - ipart; // fractional part of the delay
float value = hermite_interp(fpart, &(core->buffer[ipart]));
core->buffer[core->writeindex] = in;
if (core->writeindex < add_delay){
core->buffer[core->size + core->writeindex] = in;
}
core->writeindex++;
if (core->writeindex == core->size) {
core->writeindex = 0;
}
return value;
}
static void vibrato_process(void *data, struct dspfilter_output *output,
const struct dspfilter_input *input)
{
unsigned i;
float *out;
struct vibrato *vib = (struct vibrato*)data;
output->samples = input->samples;
output->frames = input->frames;
out = output->samples;
for (i = 0; i < input->frames; i++, out += 2)
{
float in[2] = { out[0], out[1] };
out[0] = vibratocore_core(&vib->left, in[0]);
out[1] = vibratocore_core(&vib->right, in[1]);
}
}
static void *vibrato_init(const struct dspfilter_info *info,
const struct dspfilter_config *config, void *userdata)
{
float freq, depth;
struct vibrato *vib = (struct vibrato*)calloc(1, sizeof(*vib));
if (!vib)
return NULL;
config->get_float(userdata, "freq", &freq,5.0f);
config->get_float(userdata, "depth", &depth, 0.5f);
vibratocore_init(&vib->left,depth,info->input_rate,freq);
vibratocore_init(&vib->right,depth,info->input_rate,freq);
return vib;
}
static const struct dspfilter_implementation vibrato_plug = {
vibrato_init,
vibrato_process,
vibrato_free,
DSPFILTER_API_VERSION,
"Vibrato",
"vibrato",
};
#ifdef HAVE_FILTERS_BUILTIN
#define dspfilter_get_implementation vibrato_dspfilter_get_implementation
#endif
const struct dspfilter_implementation *dspfilter_get_implementation(dspfilter_simd_mask_t mask)
{
(void)mask;
return &vibrato_plug;
}
#undef dspfilter_get_implementation

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/* Copyright (C) 2010-2017 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (compat_snprintf.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* THIS FILE HAS NOT BEEN VALIDATED ON PLATFORMS BESIDES MSVC */
#ifdef _MSC_VER
#include <retro_common.h>
#include <stdio.h>
#include <stdarg.h>
#if defined(_MSC_VER) && _MSC_VER < 1800
#define va_copy(dst, src) ((dst) = (src))
#endif
int c89_vscprintf_retro__(const char *format, va_list pargs)
{
int retval;
va_list argcopy;
va_copy(argcopy, pargs);
retval = vsnprintf(NULL, 0, format, argcopy);
va_end(argcopy);
return retval;
}
#endif

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@ -1706,7 +1706,7 @@ chd_error chd_get_metadata(chd_file *chd, UINT32 searchtag, UINT32 searchindex,
{ {
metadata_entry metaentry; metadata_entry metaentry;
chd_error err; chd_error err;
int64_t count; UINT32 count;
/* if we didn't find it, just return */ /* if we didn't find it, just return */
err = metadata_find_entry(chd, searchtag, searchindex, &metaentry); err = metadata_find_entry(chd, searchtag, searchindex, &metaentry);
@ -2240,7 +2240,7 @@ static chd_error map_read(chd_file *chd)
UINT8 raw_map_entries[MAP_STACK_ENTRIES * MAP_ENTRY_SIZE]; UINT8 raw_map_entries[MAP_STACK_ENTRIES * MAP_ENTRY_SIZE];
UINT64 fileoffset, maxoffset = 0; UINT64 fileoffset, maxoffset = 0;
UINT8 cookie[MAP_ENTRY_SIZE]; UINT8 cookie[MAP_ENTRY_SIZE];
int64_t count; UINT32 count;
chd_error err; chd_error err;
int i; int i;