mirror of
https://github.com/CTCaer/RetroArch.git
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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "resampler.h"
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#ifdef RARCH_INTERNAL
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#include "../../performance.h"
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#endif
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#include "../../conf/config_file_userdata.h"
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#include <string.h>
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static const rarch_resampler_t *resampler_drivers[] = {
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&sinc_resampler,
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&CC_resampler,
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&nearest_resampler,
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NULL,
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};
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static const struct resampler_config resampler_config = {
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config_userdata_get_float,
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config_userdata_get_int,
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config_userdata_get_float_array,
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config_userdata_get_int_array,
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config_userdata_get_string,
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config_userdata_free,
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};
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static int find_resampler_driver_index(const char *drv)
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{
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unsigned i;
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for (i = 0; resampler_drivers[i]; i++)
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if (strcasecmp(drv, resampler_drivers[i]->ident) == 0)
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return i;
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return -1;
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}
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#if !defined(RESAMPLER_TEST) && defined(RARCH_INTERNAL)
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#include "../../general.h"
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void find_prev_resampler_driver(void)
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{
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int i = find_resampler_driver_index(g_settings.audio.resampler);
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if (i > 0)
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strlcpy(g_settings.audio.resampler, resampler_drivers[i - 1]->ident,
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sizeof(g_settings.audio.resampler));
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else
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RARCH_WARN("Couldn't find any previous resampler driver (current one: \"%s\").\n",
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driver.resampler->ident);
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}
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void find_next_resampler_driver(void)
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{
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int i = find_resampler_driver_index(g_settings.audio.resampler);
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if (i >= 0 && resampler_drivers[i + 1])
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strlcpy(g_settings.audio.resampler, resampler_drivers[i + 1]->ident,
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sizeof(g_settings.audio.resampler));
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else
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RARCH_WARN("Couldn't find any next resampler driver (current one: \"%s\").\n",
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driver.resampler->ident);
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}
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#endif
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/* Resampler is used by multiple modules so avoid
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* clobbering driver.resampler here. */
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static const rarch_resampler_t *find_resampler_driver(const char *ident)
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{
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int i = find_resampler_driver_index(ident);
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if (i >= 0)
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return resampler_drivers[i];
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else
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{
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#ifdef RARCH_INTERNAL
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unsigned d;
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RARCH_ERR("Couldn't find any resampler driver named \"%s\"\n", ident);
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RARCH_LOG_OUTPUT("Available resampler drivers are:\n");
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for (d = 0; resampler_drivers[d]; d++)
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RARCH_LOG_OUTPUT("\t%s\n", resampler_drivers[d]->ident);
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RARCH_WARN("Going to default to first resampler driver ...\n");
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#endif
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return resampler_drivers[0];
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}
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}
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static bool resampler_append_plugs(void **re,
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const rarch_resampler_t **backend,
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double bw_ratio)
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{
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resampler_simd_mask_t mask = rarch_get_cpu_features();
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*re = (*backend)->init(&resampler_config, bw_ratio, mask);
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if (!*re)
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return false;
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return true;
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}
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bool rarch_resampler_realloc(void **re, const rarch_resampler_t **backend,
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const char *ident, double bw_ratio)
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{
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if (*re && *backend)
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(*backend)->free(*re);
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*re = NULL;
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*backend = find_resampler_driver(ident);
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if (!resampler_append_plugs(re, backend, bw_ratio))
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goto error;
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return true;
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error:
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if (!*re)
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*backend = NULL;
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return false;
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}
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