mirror of
https://github.com/libretro/RetroArch.git
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259 lines
7.7 KiB
C
259 lines
7.7 KiB
C
/* SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010 - Hans-Kristian Arntzen
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES 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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* SSNES 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 SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "general.h"
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#include "conf/config_file.h"
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#include "config.def.h"
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#include <assert.h>
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#include <string.h>
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#include "hqflt/filters.h"
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#include "config.h"
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struct settings g_settings;
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static void set_defaults(void)
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{
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const char *def_video = NULL;
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const char *def_audio = NULL;
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switch (VIDEO_DEFAULT_DRIVER)
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{
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case VIDEO_GL:
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def_video = "glfw";
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break;
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default:
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break;
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}
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switch (AUDIO_DEFAULT_DRIVER)
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{
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case AUDIO_RSOUND:
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def_audio = "rsound";
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break;
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case AUDIO_OSS:
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def_audio = "oss";
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break;
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case AUDIO_ALSA:
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def_audio = "alsa";
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break;
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case AUDIO_ROAR:
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def_audio = "roar";
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break;
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case AUDIO_AL:
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def_audio = "openal";
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break;
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default:
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break;
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}
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// No input atm ... It is in the GLFW driver.
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if (def_video)
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strncpy(g_settings.video.driver, def_video, sizeof(g_settings.video.driver) - 1);
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if (def_audio)
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strncpy(g_settings.audio.driver, def_audio, sizeof(g_settings.audio.driver) - 1);
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g_settings.video.xscale = xscale;
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g_settings.video.yscale = yscale;
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g_settings.video.fullscreen = fullscreen;
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g_settings.video.fullscreen_x = fullscreen_x;
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g_settings.video.fullscreen_y = fullscreen_y;
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g_settings.video.vsync = vsync;
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g_settings.video.smooth = video_smooth;
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g_settings.video.force_aspect = force_aspect;
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g_settings.audio.enable = audio_enable;
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g_settings.audio.out_rate = out_rate;
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g_settings.audio.in_rate = in_rate;
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if (audio_device)
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strncpy(g_settings.audio.device, audio_device, sizeof(g_settings.audio.device));
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g_settings.audio.latency = out_latency;
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g_settings.audio.sync = audio_sync;
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g_settings.audio.src_quality = SAMPLERATE_QUALITY;
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assert(sizeof(g_settings.input.binds[0]) >= sizeof(snes_keybinds_1));
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assert(sizeof(g_settings.input.binds[1]) >= sizeof(snes_keybinds_2));
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memcpy(g_settings.input.binds[0], snes_keybinds_1, sizeof(snes_keybinds_1));
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memcpy(g_settings.input.binds[1], snes_keybinds_2, sizeof(snes_keybinds_2));
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g_settings.input.save_state_key = SAVE_STATE_KEY;
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g_settings.input.load_state_key = LOAD_STATE_KEY;
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g_settings.input.toggle_fullscreen_key = TOGGLE_FULLSCREEN;
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g_settings.input.axis_threshold = AXIS_THRESHOLD;
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}
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void parse_config(void)
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{
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memset(&g_settings, 0, sizeof(struct settings));
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config_file_t *conf = NULL;
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if (strlen(g_extern.config_path) > 0)
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{
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conf = config_file_new(g_extern.config_path);
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if (!conf)
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{
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SSNES_ERR("Couldn't find config at path: \"%s\"\n", g_extern.config_path);
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exit(1);
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}
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}
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else
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{
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const char *xdg = getenv("XDG_CONFIG_HOME");
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const char *home = getenv("HOME");
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if (xdg)
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{
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char conf_path[strlen(xdg) + strlen("/ssnes ")];
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strcpy(conf_path, xdg);
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strcat(conf_path, "/ssnes");
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conf = config_file_new(conf_path);
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}
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else if (home)
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{
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char conf_path[strlen(home) + strlen("/.ssnesrc ")];
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strcpy(conf_path, xdg);
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strcat(conf_path, "/.ssnesrc");
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conf = config_file_new(conf_path);
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}
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else // Try /etc/ssnes.cfg as a final test ...
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conf = config_file_new("/etc/ssnes.cfg");
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}
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set_defaults();
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if (conf == NULL)
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return;
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int tmp_int;
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double tmp_double;
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bool tmp_bool;
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char *tmp_str;
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// Video settings.
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if (config_get_double(conf, "video_xscale", &tmp_double))
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g_settings.video.xscale = tmp_double;
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if (config_get_double(conf, "video_yscale", &tmp_double))
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g_settings.video.yscale = tmp_double;
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if (config_get_int(conf, "video_fullscreen_x", &tmp_int))
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g_settings.video.fullscreen_x = tmp_int;
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if (config_get_int(conf, "video_fullscreen_y", &tmp_int))
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g_settings.video.fullscreen_y = tmp_int;
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if (config_get_bool(conf, "video_fullscreen", &tmp_bool))
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g_settings.video.fullscreen = tmp_bool;
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if (config_get_bool(conf, "video_vsync", &tmp_bool))
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g_settings.video.vsync = tmp_bool;
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if (config_get_bool(conf, "video_smooth", &tmp_bool))
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g_settings.video.smooth = tmp_bool;
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if (config_get_bool(conf, "video_force_aspect", &tmp_bool))
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g_settings.video.force_aspect = tmp_bool;
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if (config_get_string(conf, "video_cg_shader", &tmp_str))
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{
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strncpy(g_settings.video.cg_shader_path, tmp_str, sizeof(g_settings.video.cg_shader_path) - 1);
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free(tmp_str);
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}
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#ifdef HAVE_FILTER
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if (config_get_string(conf, "video_filter", &tmp_str))
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{
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unsigned filter = 0;
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if (strcasecmp(FILTER_HQ2X_STR, tmp_str) == 0)
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filter = FILTER_HQ2X;
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else if (strcasecmp(FILTER_HQ4X_STR, tmp_str) == 0)
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filter = FILTER_HQ4X;
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else if (strcasecmp(FILTER_GRAYSCALE_STR, tmp_str) == 0)
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filter = FILTER_GRAYSCALE;
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else if (strcasecmp(FILTER_BLEED_STR, tmp_str) == 0)
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filter = FILTER_BLEED;
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else if (strcasecmp(FILTER_NTSC_STR, tmp_str) == 0)
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filter = FILTER_NTSC;
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else
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{
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SSNES_ERR(
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"Invalid filter... Valid filters are:\n"
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"\t%s\n"
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"\t%s\n"
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"\t%s\n"
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"\t%s\n"
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"\t%s\n",
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FILTER_HQ2X_STR, FILTER_HQ4X_STR, FILTER_GRAYSCALE_STR,
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FILTER_BLEED_STR, FILTER_NTSC_STR);
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exit(1);
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}
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free(tmp_str);
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g_settings.video.filter = filter;
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}
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#endif
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// Input Settings.
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if (config_get_double(conf, "input_axis_threshold", &tmp_double))
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g_settings.input.axis_threshold = tmp_double;
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// Audio settings.
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if (config_get_bool(conf, "audio_enable", &tmp_bool))
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g_settings.audio.enable = tmp_bool;
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if (config_get_int(conf, "audio_out_rate", &tmp_int))
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g_settings.audio.out_rate = tmp_int;
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if (config_get_int(conf, "audio_in_rate", &tmp_int))
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g_settings.audio.in_rate = tmp_int;
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if (config_get_string(conf, "audio_device", &tmp_str))
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{
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strncpy(g_settings.audio.device, tmp_str, sizeof(g_settings.audio.device) - 1);
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free(tmp_str);
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}
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if (config_get_int(conf, "audio_latency", &tmp_int))
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g_settings.audio.latency = tmp_int;
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if (config_get_bool(conf, "audio_sync", &tmp_bool))
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g_settings.audio.sync = tmp_bool;
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if (config_get_int(conf, "audio_src_quality", &tmp_int))
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{
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int quals[] = { SRC_ZERO_ORDER_HOLD, SRC_LINEAR, SRC_SINC_FASTEST,
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SRC_SINC_MEDIUM_QUALITY, SRC_SINC_BEST_QUALITY };
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if (tmp_int > 0 && tmp_int < 6)
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g_settings.audio.src_quality = quals[tmp_int];
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}
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if (config_get_string(conf, "video_driver", &tmp_str))
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{
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strncpy(g_settings.video.driver, tmp_str, sizeof(g_settings.video.driver) - 1);
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free(tmp_str);
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}
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if (config_get_string(conf, "audio_driver", &tmp_str))
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{
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strncpy(g_settings.audio.driver, tmp_str, sizeof(g_settings.audio.driver) - 1);
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free(tmp_str);
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}
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// TODO: Keybinds.
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config_file_free(conf);
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}
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