RetroArch/general.h
2015-01-25 09:50:09 +01:00

794 lines
17 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_GENERAL_H
#define __RARCH_GENERAL_H
#include <boolean.h>
#include <stdint.h>
#include <limits.h>
#include <setjmp.h>
#include "driver.h"
#include <queues/message_queue.h>
#include "rewind.h"
#include "movie.h"
#include "autosave.h"
#include "cheats.h"
#include <compat/strl.h>
#include "core_options.h"
#include "core_info.h"
#include <retro_miscellaneous.h>
#include "playlist.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef PACKAGE_VERSION
#define PACKAGE_VERSION "1.1"
#endif
/* Platform-specific headers */
/* Windows */
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <compat/posix_string.h>
#endif
#ifdef HAVE_COMMAND
#include "command.h"
#endif
#ifdef HAVE_NETPLAY
#include "net_http.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef MAX_USERS
#define MAX_USERS 16
#endif
enum sound_mode_enums
{
SOUND_MODE_NORMAL = 0,
#ifdef HAVE_RSOUND
SOUND_MODE_RSOUND,
#endif
#ifdef HAVE_HEADSET
SOUND_MODE_HEADSET,
#endif
SOUND_MODE_LAST
};
typedef struct rarch_viewport
{
int x;
int y;
unsigned width;
unsigned height;
unsigned full_width;
unsigned full_height;
} rarch_viewport_t;
struct defaults
{
char menu_config_dir[PATH_MAX_LENGTH];
char config_path[PATH_MAX_LENGTH];
char core_path[PATH_MAX_LENGTH];
char autoconfig_dir[PATH_MAX_LENGTH];
char audio_filter_dir[PATH_MAX_LENGTH];
char video_filter_dir[PATH_MAX_LENGTH];
char assets_dir[PATH_MAX_LENGTH];
char core_dir[PATH_MAX_LENGTH];
char core_info_dir[PATH_MAX_LENGTH];
char overlay_dir[PATH_MAX_LENGTH];
char port_dir[PATH_MAX_LENGTH];
char shader_dir[PATH_MAX_LENGTH];
char savestate_dir[PATH_MAX_LENGTH];
char resampler_dir[PATH_MAX_LENGTH];
char sram_dir[PATH_MAX_LENGTH];
char screenshot_dir[PATH_MAX_LENGTH];
char system_dir[PATH_MAX_LENGTH];
char playlist_dir[PATH_MAX_LENGTH];
char content_history_dir[PATH_MAX_LENGTH];
struct
{
int out_latency;
float video_refresh_rate;
bool video_threaded_enable;
} settings;
content_playlist_t *history;
};
/* All config related settings go here. */
struct settings
{
struct
{
char driver[32];
char context_driver[32];
float scale;
bool fullscreen;
bool windowed_fullscreen;
unsigned monitor_index;
unsigned fullscreen_x;
unsigned fullscreen_y;
bool vsync;
bool hard_sync;
bool black_frame_insertion;
unsigned swap_interval;
unsigned hard_sync_frames;
unsigned frame_delay;
#ifdef GEKKO
unsigned viwidth;
bool vfilter;
#endif
bool smooth;
bool force_aspect;
bool crop_overscan;
float aspect_ratio;
bool aspect_ratio_auto;
bool scale_integer;
unsigned aspect_ratio_idx;
unsigned rotation;
char shader_path[PATH_MAX_LENGTH];
bool shader_enable;
char softfilter_plugin[PATH_MAX_LENGTH];
float refresh_rate;
bool threaded;
char filter_dir[PATH_MAX_LENGTH];
char shader_dir[PATH_MAX_LENGTH];
char font_path[PATH_MAX_LENGTH];
float font_size;
bool font_enable;
float msg_pos_x;
float msg_pos_y;
float msg_color_r;
float msg_color_g;
float msg_color_b;
bool disable_composition;
bool post_filter_record;
bool gpu_record;
bool gpu_screenshot;
bool allow_rotate;
bool shared_context;
bool force_srgb_disable;
} video;
struct
{
bool menubar_enable;
bool suspend_screensaver_enable;
} ui;
#ifdef HAVE_MENU
struct
{
char driver[32];
bool pause_libretro;
bool mouse_enable;
bool timedate_enable;
char wallpaper[PATH_MAX_LENGTH];
struct
{
struct
{
bool horizontal_enable;
bool vertical_enable;
} wraparound;
struct
{
struct
{
bool supported_extensions_enable;
} filter;
} browser;
} navigation;
} menu;
#endif
struct
{
char driver[32];
char device[PATH_MAX_LENGTH];
bool allow;
unsigned width;
unsigned height;
} camera;
struct
{
char driver[32];
bool allow;
int update_interval_ms;
int update_interval_distance;
} location;
struct
{
char driver[32];
bool enable;
} osk;
struct
{
char driver[32];
bool enable;
bool mute_enable;
unsigned out_rate;
unsigned block_frames;
char device[PATH_MAX_LENGTH];
unsigned latency;
bool sync;
char dsp_plugin[PATH_MAX_LENGTH];
char filter_dir[PATH_MAX_LENGTH];
bool rate_control;
float rate_control_delta;
float max_timing_skew;
float volume; /* dB scale. */
char resampler[32];
} audio;
struct
{
char driver[32];
char joypad_driver[32];
char keyboard_layout[64];
unsigned remap_ids[MAX_USERS][RARCH_BIND_LIST_END];
struct retro_keybind binds[MAX_USERS][RARCH_BIND_LIST_END];
struct retro_keybind autoconf_binds[MAX_USERS][RARCH_BIND_LIST_END];
unsigned max_users;
/* Set by autoconfiguration in joypad_autoconfig_dir.
* Does not override main binds. */
bool autoconfigured[MAX_USERS];
unsigned libretro_device[MAX_USERS];
unsigned analog_dpad_mode[MAX_USERS];
bool remap_binds_enable;
float axis_threshold;
unsigned joypad_map[MAX_USERS];
unsigned device[MAX_USERS];
char device_names[MAX_USERS][64];
bool autodetect_enable;
bool netplay_client_swap_input;
unsigned turbo_period;
unsigned turbo_duty_cycle;
bool overlay_enable;
char overlay[PATH_MAX_LENGTH];
float overlay_opacity;
float overlay_scale;
char autoconfig_dir[PATH_MAX_LENGTH];
bool autoconfig_descriptor_label_show;
bool input_descriptor_label_show;
bool input_descriptor_hide_unbound;
char remapping_path[PATH_MAX_LENGTH];
} input;
struct
{
unsigned mode;
} archive;
struct
{
char buildbot_url[PATH_MAX_LENGTH];
} network;
int state_slot;
char core_options_path[PATH_MAX_LENGTH];
char content_history_path[PATH_MAX_LENGTH];
char content_history_directory[PATH_MAX_LENGTH];
unsigned content_history_size;
char libretro[PATH_MAX_LENGTH];
char libretro_directory[PATH_MAX_LENGTH];
unsigned libretro_log_level;
char libretro_info_path[PATH_MAX_LENGTH];
char content_database[PATH_MAX_LENGTH];
char cheat_database[PATH_MAX_LENGTH];
char cursor_directory[PATH_MAX_LENGTH];
char cheat_settings_path[PATH_MAX_LENGTH];
char input_remapping_directory[PATH_MAX_LENGTH];
char resampler_directory[PATH_MAX_LENGTH];
char screenshot_directory[PATH_MAX_LENGTH];
char system_directory[PATH_MAX_LENGTH];
char extraction_directory[PATH_MAX_LENGTH];
char playlist_directory[PATH_MAX_LENGTH];
bool history_list_enable;
bool rewind_enable;
size_t rewind_buffer_size;
unsigned rewind_granularity;
float slowmotion_ratio;
float fastforward_ratio;
bool fastforward_ratio_throttle_enable;
bool pause_nonactive;
unsigned autosave_interval;
bool block_sram_overwrite;
bool savestate_auto_index;
bool savestate_auto_save;
bool savestate_auto_load;
bool network_cmd_enable;
uint16_t network_cmd_port;
bool stdin_cmd_enable;
char content_directory[PATH_MAX_LENGTH];
char assets_directory[PATH_MAX_LENGTH];
char menu_config_directory[PATH_MAX_LENGTH];
#if defined(HAVE_MENU)
char menu_content_directory[PATH_MAX_LENGTH];
bool menu_show_start_screen;
#endif
bool fps_show;
bool fps_monitor_enable;
bool load_dummy_on_core_shutdown;
bool core_specific_config;
char username[32];
unsigned int user_language;
bool config_save_on_exit;
};
typedef struct rarch_resolution
{
unsigned idx;
unsigned id;
} rarch_resolution_t;
#define AUDIO_BUFFER_FREE_SAMPLES_COUNT (8 * 1024)
#define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024)
#ifdef HAVE_NETPLAY
typedef int (*http_cb_t )(void *data, size_t len);
#endif
/* All run-time- / command line flag-related globals go here. */
struct global
{
bool verbosity;
bool perfcnt_enable;
bool force_fullscreen;
bool core_shutdown_initiated;
struct string_list *temporary_content;
core_info_list_t *core_info;
core_info_t *core_info_current;
uint32_t content_crc;
char gb_rom_path[PATH_MAX_LENGTH];
char bsx_rom_path[PATH_MAX_LENGTH];
char sufami_rom_path[2][PATH_MAX_LENGTH];
bool has_set_input_descriptors;
bool has_set_save_path;
bool has_set_state_path;
bool has_set_libretro_device[MAX_USERS];
bool has_set_libretro;
bool has_set_libretro_directory;
bool has_set_verbosity;
bool has_set_netplay_mode;
bool has_set_username;
bool has_set_netplay_ip_address;
bool has_set_netplay_delay_frames;
bool has_set_netplay_ip_port;
bool has_set_ups_pref;
bool has_set_bps_pref;
bool has_set_ips_pref;
/* Config associated with global "default" config. */
char config_path[PATH_MAX_LENGTH];
char append_config_path[PATH_MAX_LENGTH];
char input_config_path[PATH_MAX_LENGTH];
#ifdef HAVE_FILE_LOGGER
char default_log_file[PATH_MAX_LENGTH];
#endif
char basename[PATH_MAX_LENGTH];
char fullpath[PATH_MAX_LENGTH];
/* A list of save types and associated paths for all content. */
struct string_list *savefiles;
/* For --subsystem content. */
char subsystem[PATH_MAX_LENGTH];
struct string_list *subsystem_fullpaths;
char savefile_name[PATH_MAX_LENGTH];
char savestate_name[PATH_MAX_LENGTH];
char cheatfile_name[PATH_MAX_LENGTH];
/* Used on reentrancy to use a savestate dir. */
char savefile_dir[PATH_MAX_LENGTH];
char savestate_dir[PATH_MAX_LENGTH];
#ifdef HAVE_OVERLAY
char overlay_dir[PATH_MAX_LENGTH];
#endif
bool block_patch;
bool ups_pref;
bool bps_pref;
bool ips_pref;
char ups_name[PATH_MAX_LENGTH];
char bps_name[PATH_MAX_LENGTH];
char ips_name[PATH_MAX_LENGTH];
struct
{
unsigned windowed_scale;
} pending;
struct
{
retro_time_t minimum_frame_time;
retro_time_t last_frame_time;
} frame_limit;
struct
{
struct retro_system_info info;
struct retro_system_av_info av_info;
float aspect_ratio;
unsigned rotation;
bool shutdown;
unsigned performance_level;
enum retro_pixel_format pix_fmt;
bool block_extract;
bool force_nonblock;
bool no_content;
const char *input_desc_btn[MAX_USERS][RARCH_FIRST_META_KEY];
char valid_extensions[PATH_MAX_LENGTH];
retro_keyboard_event_t key_event;
struct retro_audio_callback audio_callback;
struct retro_disk_control_callback disk_control;
struct retro_hw_render_callback hw_render_callback;
struct retro_camera_callback camera_callback;
struct retro_location_callback location_callback;
struct retro_frame_time_callback frame_time;
retro_usec_t frame_time_last;
core_option_manager_t *core_options;
struct retro_subsystem_info *special;
unsigned num_special;
struct retro_controller_info *ports;
unsigned num_ports;
} system;
struct
{
float *data;
size_t data_ptr;
size_t chunk_size;
size_t nonblock_chunk_size;
size_t block_chunk_size;
double src_ratio;
float in_rate;
bool use_float;
float *outsamples;
int16_t *conv_outsamples;
int16_t *rewind_buf;
size_t rewind_ptr;
size_t rewind_size;
rarch_dsp_filter_t *dsp;
bool rate_control;
double orig_src_ratio;
size_t driver_buffer_size;
float volume_gain;
} audio_data;
struct
{
unsigned buffer_free_samples[AUDIO_BUFFER_FREE_SAMPLES_COUNT];
uint64_t buffer_free_samples_count;
retro_time_t frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t frame_time_samples_count;
} measure_data;
struct
{
rarch_softfilter_t *filter;
void *buffer;
unsigned scale;
unsigned out_bpp;
bool out_rgb32;
} filter;
#ifdef HAVE_MENU
struct
{
struct retro_system_info info;
bool bind_mode_keyboard;
} menu;
#endif
msg_queue_t *msg_queue;
#ifdef HAVE_NETPLAY
msg_queue_t *http_msg_queue;
http_t *http_handle;
http_cb_t http_cb;
#endif
bool exec;
/* Rewind support. */
state_manager_t *state_manager;
size_t state_size;
bool frame_is_reverse;
/* Movie playback/recording support. */
struct
{
bsv_movie_t *movie;
char movie_path[PATH_MAX_LENGTH];
bool movie_playback;
bool eof_exit;
/* Immediate playback/recording. */
char movie_start_path[PATH_MAX_LENGTH];
bool movie_start_recording;
bool movie_start_playback;
bool movie_end;
} bsv;
struct
{
bool (*cb_init)(void *data);
bool (*cb_callback)(void *data);
} osk;
bool sram_load_disable;
bool sram_save_disable;
bool use_sram;
/* Lifecycle state checks. */
bool is_paused;
bool is_menu;
bool is_slowmotion;
/* Turbo support. */
bool turbo_frame_enable[MAX_USERS];
uint16_t turbo_enable[MAX_USERS];
unsigned turbo_count;
/* Autosave support. */
autosave_t **autosave;
unsigned num_autosave;
#ifdef HAVE_NETPLAY
/* Netplay. */
char netplay_server[PATH_MAX_LENGTH];
bool netplay_enable;
bool netplay_is_client;
bool netplay_is_spectate;
unsigned netplay_sync_frames;
unsigned netplay_port;
#endif
/* Recording. */
char record_path[PATH_MAX_LENGTH];
char record_config[PATH_MAX_LENGTH];
bool recording_enable;
unsigned record_width;
unsigned record_height;
uint8_t *record_gpu_buffer;
size_t record_gpu_width;
size_t record_gpu_height;
struct
{
const void *data;
unsigned width;
unsigned height;
size_t pitch;
} frame_cache;
unsigned frame_count;
unsigned max_frames;
char title_buf[64];
struct
{
struct string_list *list;
size_t ptr;
} shader_dir;
struct
{
struct string_list *list;
size_t ptr;
} filter_dir;
cheat_manager_t *cheat;
bool block_config_read;
/* Settings and/or global state that is specific to
* a console-style implementation. */
struct
{
struct
{
struct
{
rarch_resolution_t current;
rarch_resolution_t initial;
uint32_t *list;
unsigned count;
bool check;
} resolutions;
struct
{
rarch_viewport_t custom_vp;
} viewports;
unsigned gamma_correction;
unsigned char flicker_filter_index;
unsigned char soft_filter_index;
bool pal_enable;
bool pal60_enable;
} screen;
struct
{
unsigned mode;
bool system_bgm_enable;
} sound;
bool flickerfilter_enable;
bool softfilter_enable;
} console;
uint64_t lifecycle_state;
/* If this is non-NULL. RARCH_LOG and friends
* will write to this file. */
FILE *log_file;
bool main_is_init;
bool content_is_init;
bool error_in_init;
char error_string[PATH_MAX_LENGTH];
jmp_buf error_sjlj_context;
bool libretro_no_content;
bool libretro_dummy;
/* Config file associated with per-core configs. */
char core_specific_config_path[PATH_MAX_LENGTH];
retro_keyboard_event_t frontend_key_event;
};
/* Public data structures. */
extern struct settings g_settings;
extern struct global g_extern;
extern struct defaults g_defaults;
/* Public functions. */
int rarch_main(int argc, char *argv[]);
#ifdef __cplusplus
}
#endif
/**
* db_to_gain:
* @db : Decibels.
*
* Converts decibels to voltage gain.
*
* Returns: voltage gain value.
**/
static inline float db_to_gain(float db)
{
return powf(10.0f, db / 20.0f);
}
/**
* rarch_fail:
* @error_code : Error code.
* @error : Error message to show.
*
* Sanely kills the program.
**/
static inline void rarch_fail(int error_code, const char *error)
{
/* We cannot longjmp unless we're in rarch_main_init().
* If not, something went very wrong, and we should
* just exit right away. */
rarch_assert(g_extern.error_in_init);
strlcpy(g_extern.error_string, error,
sizeof(g_extern.error_string));
longjmp(g_extern.error_sjlj_context, error_code);
}
#ifdef HAVE_NETPLAY
void net_http_set_pending_cb(http_cb_t cb);
#endif
#endif