mirror of
https://github.com/libretro/RetroArch.git
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105 lines
2.9 KiB
C
105 lines
2.9 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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#include <string.h>
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include "../general.h"
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static const rarch_resampler_t *backends[] = {
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&sinc_resampler,
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#ifdef HAVE_CC_RESAMPLER
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&CC_resampler,
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#endif
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NULL,
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};
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static int find_resampler_driver_index(const char *driver)
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{
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unsigned i;
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for (i = 0; backends[i]; i++)
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if (strcasecmp(driver, backends[i]->ident) == 0)
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return i;
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return -1;
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}
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// Resampler is used by multiple modules so avoid clobbering g_extern.audio_data.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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if (!ident)
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return backends[0];
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int i = find_resampler_driver_index(ident);
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if (i >= 0)
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return backends[i];
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else
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{
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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; backends[d]; d++)
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RARCH_LOG_OUTPUT("\t%s\n", backends[d]->ident);
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return NULL;
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}
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}
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#ifndef RESAMPLER_TEST
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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, backends[i - 1]->ident, 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", g_extern.audio_data.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 && backends[i + 1])
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strlcpy(g_settings.audio.resampler, backends[i + 1]->ident, 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", g_extern.audio_data.resampler->ident);
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}
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#endif
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bool rarch_resampler_realloc(void **re, const rarch_resampler_t **backend, 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 = NULL;
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*backend = find_resampler_driver(ident);
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if (!*backend)
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return false;
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*re = (*backend)->init(bw_ratio);
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if (!*re)
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{
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*backend = NULL;
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return false;
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}
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return true;
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}
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