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RetroArch/retroarch.c
Themaister 292bc36b43 Basic mouse grabbing for X11.
2013-03-29 18:55:54 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
*
* 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/>.
*/
#include "boolean.h"
#include "libretro.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "driver.h"
#include "file.h"
#include "general.h"
#include "dynamic.h"
#include "performance.h"
#include "audio/utils.h"
#include "record/ffemu.h"
#include "rewind.h"
#include "movie.h"
#include "compat/strl.h"
#include "screenshot.h"
#include "cheats.h"
#include "compat/getopt_rarch.h"
#include "compat/posix_string.h"
#if defined(_WIN32) && !defined(_XBOX)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#elif defined(_XBOX)
#include <xtl.h>
#endif
#ifdef _WIN32
#include "msvc/msvc_compat.h"
#endif
#if defined(RARCH_CONSOLE) && !defined(RARCH_PERFORMANCE_MODE)
#define RARCH_PERFORMANCE_MODE
#endif
// To avoid continous switching if we hold the button down, we require that the button must go from pressed, unpressed back to pressed to be able to toggle between then.
static void check_fast_forward_button(void)
{
bool new_button_state = input_key_pressed_func(RARCH_FAST_FORWARD_KEY);
bool new_hold_button_state = input_key_pressed_func(RARCH_FAST_FORWARD_HOLD_KEY);
bool update_sync = false;
static bool old_button_state = false;
static bool old_hold_button_state = false;
static bool syncing_state = false;
if (new_button_state && !old_button_state)
{
syncing_state = !syncing_state;
update_sync = true;
}
else if (old_hold_button_state != new_hold_button_state)
{
syncing_state = new_hold_button_state;
update_sync = true;
}
if (update_sync)
{
// Only apply non-block-state for video if we're using vsync.
if (g_extern.video_active && g_settings.video.vsync && !g_extern.system.force_nonblock)
video_set_nonblock_state_func(syncing_state);
if (g_extern.audio_active)
audio_set_nonblock_state_func(g_settings.audio.sync ? syncing_state : true);
g_extern.audio_data.chunk_size =
syncing_state ? g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size;
}
old_button_state = new_button_state;
old_hold_button_state = new_hold_button_state;
}
#if defined(HAVE_SCREENSHOTS) && !defined(_XBOX)
static bool take_screenshot_viewport(void)
{
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
return false;
uint8_t *buffer = (uint8_t*)malloc(vp.width * vp.height * 3);
if (!buffer)
return false;
if (!video_read_viewport_func(buffer))
{
free(buffer);
return false;
}
// Data read from viewport is in bottom-up order, suitable for BMP.
if (!screenshot_dump(g_settings.screenshot_directory,
buffer,
vp.width, vp.height, vp.width * 3, true))
{
free(buffer);
return false;
}
free(buffer);
return true;
}
static bool take_screenshot_raw(void)
{
const uint16_t *data = (const uint16_t*)g_extern.frame_cache.data;
unsigned width = g_extern.frame_cache.width;
unsigned height = g_extern.frame_cache.height;
int pitch = g_extern.frame_cache.pitch;
// Negative pitch is needed as screenshot takes bottom-up,
// but we use top-down.
return screenshot_dump(g_settings.screenshot_directory,
data + (height - 1) * (pitch >> 1),
width, height, -pitch, false);
}
static void take_screenshot(void)
{
if (!(*g_settings.screenshot_directory))
return;
bool ret = false;
if (g_settings.video.gpu_screenshot && driver.video->read_viewport && driver.video->viewport_info)
ret = take_screenshot_viewport();
else if (g_extern.frame_cache.data)
ret = take_screenshot_raw();
const char *msg = NULL;
if (ret)
{
RARCH_LOG("Taking screenshot.\n");
msg = "Taking screenshot.";
}
else
{
RARCH_WARN("Failed to take screenshot ...\n");
msg = "Failed to take screenshot.";
}
msg_queue_clear(g_extern.msg_queue);
if (g_extern.is_paused)
{
msg_queue_push(g_extern.msg_queue, msg, 1, 1);
rarch_render_cached_frame();
}
else
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
#endif
static void readjust_audio_input_rate(void)
{
int avail = audio_write_avail_func();
//RARCH_LOG_OUTPUT("Audio buffer is %u%% full\n",
// (unsigned)(100 - (avail * 100) / g_extern.audio_data.driver_buffer_size));
unsigned write_index = g_extern.measure_data.buffer_free_samples_count++ & (AUDIO_BUFFER_FREE_SAMPLES_COUNT - 1);
g_extern.measure_data.buffer_free_samples[write_index] = avail;
int half_size = g_extern.audio_data.driver_buffer_size / 2;
int delta_mid = avail - half_size;
double direction = (double)delta_mid / half_size;
double adjust = 1.0 + g_settings.audio.rate_control_delta * direction;
g_extern.audio_data.src_ratio = g_extern.audio_data.orig_src_ratio * adjust;
//RARCH_LOG_OUTPUT("New rate: %lf, Orig rate: %lf\n",
// g_extern.audio_data.src_ratio, g_extern.audio_data.orig_src_ratio);
}
#ifdef HAVE_FFMPEG
static void deinit_recording(void);
static void recording_dump_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
struct ffemu_video_data ffemu_data = {0};
if (g_extern.record_gpu_buffer)
{
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
{
RARCH_WARN("Viewport size calculation failed! Will continue using raw data. This will probably not work right ...\n");
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
recording_dump_frame(data, width, height, pitch);
return;
}
// User has resized. We're kinda fucked now.
if (vp.width != g_extern.record_gpu_width || vp.height != g_extern.record_gpu_height)
{
static const char msg[] = "Recording terminated due to resize.";
RARCH_WARN("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
deinit_recording();
g_extern.recording = false;
return;
}
// Big bottleneck.
// Since we might need to do read-backs asynchronously, it might take 3-4 times
// before this returns true ...
if (!video_read_viewport_func(g_extern.record_gpu_buffer))
return;
ffemu_data.pitch = g_extern.record_gpu_width * 3;
ffemu_data.width = g_extern.record_gpu_width;
ffemu_data.height = g_extern.record_gpu_height;
ffemu_data.data = g_extern.record_gpu_buffer + (ffemu_data.height - 1) * ffemu_data.pitch;
ffemu_data.pitch = -ffemu_data.pitch;
}
else
{
ffemu_data.data = data;
ffemu_data.pitch = pitch;
ffemu_data.width = width;
ffemu_data.height = height;
ffemu_data.is_dupe = !data;
}
ffemu_push_video(g_extern.rec, &ffemu_data);
}
#endif
static void video_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
if (!g_extern.video_active)
return;
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555 && data)
{
RARCH_PERFORMANCE_INIT(video_frame_conv);
RARCH_PERFORMANCE_START(video_frame_conv);
driver.scaler.in_width = width;
driver.scaler.in_height = height;
driver.scaler.out_width = width;
driver.scaler.out_height = height;
driver.scaler.in_stride = pitch;
driver.scaler.out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(&driver.scaler, driver.scaler_out, data);
data = driver.scaler_out;
pitch = driver.scaler.out_stride;
RARCH_PERFORMANCE_STOP(video_frame_conv);
}
// Slightly messy code,
// but we really need to do processing before blocking on VSync for best possible scheduling.
#ifdef HAVE_FFMPEG
if (g_extern.recording && (!g_extern.filter.active || !g_settings.video.post_filter_record || !data || g_extern.record_gpu_buffer))
recording_dump_frame(data, width, height, pitch);
#endif
const char *msg = msg_queue_pull(g_extern.msg_queue);
driver.current_msg = msg;
#ifdef HAVE_DYLIB
if (g_extern.filter.active && data)
{
struct scaler_ctx *scaler = &g_extern.filter.scaler;
scaler->in_width = scaler->out_width = width;
scaler->in_height = scaler->out_height = height;
scaler->in_stride = pitch;
scaler->out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(scaler, g_extern.filter.scaler_out, data);
unsigned owidth = width;
unsigned oheight = height;
g_extern.filter.psize(&owidth, &oheight);
g_extern.filter.prender(g_extern.filter.colormap, g_extern.filter.buffer,
g_extern.filter.pitch, g_extern.filter.scaler_out, scaler->out_stride, width, height);
#ifdef HAVE_FFMPEG
if (g_extern.recording && g_settings.video.post_filter_record)
recording_dump_frame(g_extern.filter.buffer, owidth, oheight, g_extern.filter.pitch);
#endif
if (!video_frame_func(g_extern.filter.buffer, owidth, oheight, g_extern.filter.pitch, msg))
g_extern.video_active = false;
}
else if (!video_frame_func(data, width, height, pitch, msg))
g_extern.video_active = false;
#else
if (!video_frame_func(data, width, height, pitch, msg))
g_extern.video_active = false;
#endif
g_extern.frame_cache.data = data;
g_extern.frame_cache.width = width;
g_extern.frame_cache.height = height;
g_extern.frame_cache.pitch = pitch;
}
void rarch_render_cached_frame(void)
{
#ifdef HAVE_FFMPEG
// Cannot allow FFmpeg recording when pushing duped frames.
bool recording = g_extern.recording;
g_extern.recording = false;
#endif
// Not 100% safe, since the library might have
// freed the memory, but no known implementations do this :D
// It would be really stupid at any rate ...
video_frame(g_extern.frame_cache.data,
g_extern.frame_cache.width,
g_extern.frame_cache.height,
g_extern.frame_cache.pitch);
#ifdef HAVE_FFMPEG
g_extern.recording = recording;
#endif
}
static bool audio_flush(const int16_t *data, size_t samples)
{
#ifdef HAVE_FFMPEG
if (g_extern.recording)
{
struct ffemu_audio_data ffemu_data = {0};
ffemu_data.data = data;
ffemu_data.frames = samples / 2;
ffemu_push_audio(g_extern.rec, &ffemu_data);
}
#endif
if (g_extern.is_paused || g_extern.audio_data.mute)
return true;
if (!g_extern.audio_active)
return false;
const float *output_data = NULL;
unsigned output_frames = 0;
struct resampler_data src_data = {0};
RARCH_PERFORMANCE_INIT(audio_convert_s16);
RARCH_PERFORMANCE_START(audio_convert_s16);
audio_convert_s16_to_float(g_extern.audio_data.data, data, samples,
g_extern.audio_data.volume_gain);
RARCH_PERFORMANCE_STOP(audio_convert_s16);
#if defined(HAVE_DYLIB)
rarch_dsp_output_t dsp_output = {0};
rarch_dsp_input_t dsp_input = {0};
dsp_input.samples = g_extern.audio_data.data;
dsp_input.frames = samples >> 1;
if (g_extern.audio_data.dsp_plugin)
g_extern.audio_data.dsp_plugin->process(g_extern.audio_data.dsp_handle, &dsp_output, &dsp_input);
src_data.data_in = dsp_output.samples ? dsp_output.samples : g_extern.audio_data.data;
src_data.input_frames = dsp_output.samples ? dsp_output.frames : (samples >> 1);
#else
src_data.data_in = g_extern.audio_data.data;
src_data.input_frames = samples >> 1;
#endif
src_data.data_out = g_extern.audio_data.outsamples;
if (g_extern.audio_data.rate_control)
readjust_audio_input_rate();
src_data.ratio = g_extern.audio_data.src_ratio;
if (g_extern.is_slowmotion)
src_data.ratio *= g_settings.slowmotion_ratio;
RARCH_PERFORMANCE_INIT(resampler_proc);
RARCH_PERFORMANCE_START(resampler_proc);
rarch_resampler_process(g_extern.audio_data.resampler,
g_extern.audio_data.resampler_data, &src_data);
RARCH_PERFORMANCE_STOP(resampler_proc);
output_data = g_extern.audio_data.outsamples;
output_frames = src_data.output_frames;
if (g_extern.audio_data.use_float)
{
if (audio_write_func(output_data, output_frames * sizeof(float) * 2) < 0)
{
RARCH_ERR("Audio backend failed to write. Will continue without sound.\n");
return false;
}
}
else
{
RARCH_PERFORMANCE_INIT(audio_convert_float);
RARCH_PERFORMANCE_START(audio_convert_float);
audio_convert_float_to_s16(g_extern.audio_data.conv_outsamples,
output_data, output_frames * 2);
RARCH_PERFORMANCE_STOP(audio_convert_float);
if (audio_write_func(g_extern.audio_data.conv_outsamples, output_frames * sizeof(int16_t) * 2) < 0)
{
RARCH_ERR("Audio backend failed to write. Will continue without sound.\n");
return false;
}
}
return true;
}
static void audio_sample_rewind(int16_t left, int16_t right)
{
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = right;
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = left;
}
size_t audio_sample_batch_rewind(const int16_t *data, size_t frames)
{
size_t samples = frames << 1;
for (size_t i = 0; i < samples; i++)
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = data[i];
return frames;
}
static void audio_sample(int16_t left, int16_t right)
{
g_extern.audio_data.conv_outsamples[g_extern.audio_data.data_ptr++] = left;
g_extern.audio_data.conv_outsamples[g_extern.audio_data.data_ptr++] = right;
if (g_extern.audio_data.data_ptr < g_extern.audio_data.chunk_size)
return;
g_extern.audio_active = audio_flush(g_extern.audio_data.conv_outsamples,
g_extern.audio_data.data_ptr) && g_extern.audio_active;
g_extern.audio_data.data_ptr = 0;
}
size_t audio_sample_batch(const int16_t *data, size_t frames)
{
if (frames > (AUDIO_CHUNK_SIZE_NONBLOCKING >> 1))
frames = AUDIO_CHUNK_SIZE_NONBLOCKING >> 1;
g_extern.audio_active = audio_flush(data, frames << 1) && g_extern.audio_active;
return frames;
}
#ifdef HAVE_OVERLAY
static inline void input_poll_overlay(void)
{
driver.overlay_state = 0;
unsigned device = input_overlay_full_screen(driver.overlay) ?
RARCH_DEVICE_POINTER_SCREEN : RETRO_DEVICE_POINTER;
bool polled = false;
for (unsigned i = 0;
input_input_state_func(NULL, 0, device, i, RETRO_DEVICE_ID_POINTER_PRESSED);
i++)
{
int16_t x = input_input_state_func(NULL, 0,
device, i, RETRO_DEVICE_ID_POINTER_X);
int16_t y = input_input_state_func(NULL, 0,
device, i, RETRO_DEVICE_ID_POINTER_Y);
driver.overlay_state |= input_overlay_poll(driver.overlay, x, y);
polled = true;
}
if (!polled)
input_overlay_poll_clear(driver.overlay);
}
#endif
void rarch_input_poll(void)
{
input_poll_func();
#ifdef HAVE_OVERLAY
if (driver.overlay) // Poll overlay state
input_poll_overlay();
#endif
}
// Turbo scheme: If turbo button is held, all buttons pressed except for D-pad will go into
// a turbo mode. Until the button is released again, the input state will be modulated by a periodic pulse defined
// by the configured duty cycle.
static bool input_apply_turbo(unsigned port, unsigned id, bool res)
{
if (res && g_extern.turbo_frame_enable[port])
g_extern.turbo_enable[port] |= (1 << id);
else if (!res)
g_extern.turbo_enable[port] &= ~(1 << id);
if (g_extern.turbo_enable[port] & (1 << id))
return res & ((g_extern.turbo_count % g_settings.input.turbo_period) < g_settings.input.turbo_duty_cycle);
else
return res;
}
static int16_t input_state(unsigned port, unsigned device, unsigned index, unsigned id)
{
device &= RETRO_DEVICE_MASK;
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie && g_extern.bsv.movie_playback)
{
int16_t ret;
if (bsv_movie_get_input(g_extern.bsv.movie, &ret))
return ret;
else
g_extern.bsv.movie_end = true;
}
#endif
static const struct retro_keybind *binds[MAX_PLAYERS] = {
g_settings.input.binds[0],
g_settings.input.binds[1],
g_settings.input.binds[2],
g_settings.input.binds[3],
g_settings.input.binds[4],
g_settings.input.binds[5],
g_settings.input.binds[6],
g_settings.input.binds[7],
};
int16_t res = 0;
if (id < RARCH_FIRST_META_KEY || device == RETRO_DEVICE_KEYBOARD)
res = input_input_state_func(binds, port, device, index, id);
#ifdef HAVE_OVERLAY
if (device == RETRO_DEVICE_JOYPAD && port == 0)
res |= driver.overlay_state & (UINT64_C(1) << id) ? 1 : 0;
#endif
// Don't allow turbo for D-pad.
if (device == RETRO_DEVICE_JOYPAD && (id < RETRO_DEVICE_ID_JOYPAD_UP || id > RETRO_DEVICE_ID_JOYPAD_RIGHT))
res = input_apply_turbo(port, id, res);
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie && !g_extern.bsv.movie_playback)
bsv_movie_set_input(g_extern.bsv.movie, res);
#endif
return res;
}
#ifdef _WIN32
#define RARCH_DEFAULT_CONF_PATH_STR "\n\t\tDefaults to retroarch.cfg in same directory as retroarch.exe."
#else
#define RARCH_DEFAULT_CONF_PATH_STR "\n\t\tBy default looks for config in $XDG_CONFIG_HOME/retroarch/retroarch.cfg,\n\t\t$HOME/.config/retroarch/retroarch.cfg,\n\t\tand $HOME/.retroarch.cfg."
#endif
#include "config.features.h"
#define _PSUPP(var, name, desc) printf("\t%s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(sdl, "SDL", "SDL drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(kms, "KMS", "KMS/EGL context support");
_PSUPP(egl, "EGL", "EGL context support");
_PSUPP(vg, "OpenVG", "OpenVG output support");
_PSUPP(xvideo, "XVideo", "XVideo output");
_PSUPP(alsa, "ALSA", "audio driver");
_PSUPP(oss, "OSS", "audio driver");
_PSUPP(jack, "Jack", "audio driver");
_PSUPP(rsound, "RSound", "audio driver");
_PSUPP(roar, "RoarAudio", "audio driver");
_PSUPP(pulse, "PulseAudio", "audio driver");
_PSUPP(dsound, "DirectSound", "audio driver");
_PSUPP(xaudio, "XAudio2", "audio driver");
_PSUPP(zlib, "zlib", "PNG encode/decode and .zip extraction");
_PSUPP(al, "OpenAL", "audio driver");
_PSUPP(dylib, "External", "External filter and plugin support");
_PSUPP(cg, "Cg", "Cg pixel shaders");
_PSUPP(libxml2, "libxml2", "libxml2 XML parsing");
_PSUPP(sdl_image, "SDL_image", "SDL_image image loading");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libretro library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(freetype, "FreeType", "TTF font rendering with FreeType");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
_PSUPP(python, "Python", "Script support in shaders");
}
#undef _PSUPP
static void print_compiler(FILE *file)
{
fprintf(file, "\nCompiler: ");
#if defined(_MSC_VER)
fprintf(file, "MSVC (%d) %u-bit\n", _MSC_VER, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__SNC__)
fprintf(file, "SNC (%d) %u-bit\n",
__SN_VER__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(_WIN32) && defined(__GNUC__)
fprintf(file, "MinGW (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__clang__)
fprintf(file, "Clang/LLVM (%s) %u-bit\n",
__VERSION__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__GNUC__)
fprintf(file, "GCC (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#else
fprintf(file, "Unknown compiler %u-bit\n",
(unsigned)(CHAR_BIT * sizeof(size_t)));
#endif
fprintf(file, "Built: %s\n", __DATE__);
}
static void print_help(void)
{
puts("===================================================================");
#if !defined(__BLACKBERRY_QNX__) && !defined(IOS)
/* To get around error 'too many decimal points in number - expected ')' before numeric constant */
puts("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " --");
#endif
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [rom file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--features: Prints available features compiled into RetroArch.");
puts("\t-s/--save: Path for save file (*.srm). Required when rom is input from stdin.");
puts("\t-f/--fullscreen: Start RetroArch in fullscreen regardless of config settings.");
puts("\t-S/--savestate: Path to use for save states. If not selected, *.state will be assumed.");
puts("\t-c/--config: Path for config file." RARCH_DEFAULT_CONF_PATH_STR);
puts("\t--appendconfig: Extra config files are loaded in, and take priority over config selected in -c (or default).");
puts("\t\tMultiple configs are delimited by ','.");
#ifdef HAVE_DYNAMIC
puts("\t-L/--libretro: Path to libretro implementation. Overrides any config setting.");
#endif
puts("\t-g/--gameboy: Path to Gameboy ROM. Load SuperGameBoy as the regular rom.");
puts("\t-b/--bsx: Path to BSX rom. Load BSX BIOS as the regular rom.");
puts("\t-B/--bsxslot: Path to BSX slotted rom. Load BSX BIOS as the regular rom.");
puts("\t--sufamiA: Path to A slot of Sufami Turbo. Load Sufami base cart as regular rom.");
puts("\t--sufamiB: Path to B slot of Sufami Turbo.");
printf("\t-N/--nodevice: Disconnects controller device connected to port (1 to %d).\n", MAX_PLAYERS);
printf("\t-A/--dualanalog: Connect a DualAnalog controller to port (1 to %d).\n", MAX_PLAYERS);
printf("\t-m/--mouse: Connect a mouse into port of the device (1 to %d).\n", MAX_PLAYERS);
puts("\t-p/--scope: Connect a virtual SuperScope into port 2. (SNES specific).");
puts("\t-j/--justifier: Connect a virtual Konami Justifier into port 2. (SNES specific).");
puts("\t-J/--justifiers: Daisy chain two virtual Konami Justifiers into port 2. (SNES specific).");
puts("\t-4/--multitap: Connect a SNES multitap to port 2. (SNES specific).");
#ifdef HAVE_BSV_MOVIE
puts("\t-P/--bsvplay: Playback a BSV movie file.");
puts("\t-R/--bsvrecord: Start recording a BSV movie file from the beginning.");
puts("\t-M/--sram-mode: Takes an argument telling how SRAM should be handled in the session.");
#endif
puts("\t\t{no,}load-{no,}save describes if SRAM should be loaded, and if SRAM should be saved.");
puts("\t\tDo note that noload-save implies that save files will be deleted and overwritten.");
#ifdef HAVE_NETPLAY
puts("\t-H/--host: Host netplay as player 1.");
puts("\t-C/--connect: Connect to netplay as player 2.");
puts("\t--port: Port used to netplay. Default is 55435.");
puts("\t-F/--frames: Sync frames when using netplay.");
puts("\t--spectate: Netplay will become spectating mode.");
puts("\t\tHost can live stream the game content to players that connect.");
puts("\t\tHowever, the client will not be able to play. Multiple clients can connect to the host.");
puts("\t--nick: Picks a nickname for use with netplay. Not mandatory.");
#endif
#ifdef HAVE_NETWORK_CMD
puts("\t--command: Sends a command over UDP to an already running RetroArch process.");
puts("\t\tAvailable commands are listed if command is invalid.");
#endif
#ifdef HAVE_FFMPEG
puts("\t-r/--record: Path to record video file.\n\t\tUsing .mkv extension is recommended.");
puts("\t--recordconfig: Path to settings used during recording.");
puts("\t--size: Overrides output video size when recording with FFmpeg (format: WIDTHxHEIGHT).");
#endif
puts("\t-v/--verbose: Verbose logging.");
puts("\t-U/--ups: Specifies path for UPS patch that will be applied to ROM.");
puts("\t--bps: Specifies path for BPS patch that will be applied to ROM.");
puts("\t--ips: Specifies path for IPS patch that will be applied to ROM.");
puts("\t--no-patch: Disables all forms of rom patching.");
puts("\t-X/--xml: Specifies path to XML memory map.");
puts("\t-D/--detach: Detach RetroArch from the running console. Not relevant for all platforms.\n");
}
static void set_basename(const char *path)
{
strlcpy(g_extern.fullpath, path, sizeof(g_extern.fullpath));
strlcpy(g_extern.basename, path, sizeof(g_extern.basename));
char *dst = strrchr(g_extern.basename, '.');
if (dst)
*dst = '\0';
}
static void set_paths(const char *path)
{
set_basename(path);
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name_srm, g_extern.basename, ".srm", sizeof(g_extern.savefile_name_srm));
if (!g_extern.has_set_state_path)
fill_pathname_noext(g_extern.savestate_name, g_extern.basename, ".state", sizeof(g_extern.savestate_name));
if (path_is_directory(g_extern.savefile_name_srm))
{
fill_pathname_dir(g_extern.savefile_name_srm, g_extern.basename, ".srm", sizeof(g_extern.savefile_name_srm));
RARCH_LOG("Redirecting save file to \"%s\".\n", g_extern.savefile_name_srm);
}
if (path_is_directory(g_extern.savestate_name))
{
fill_pathname_dir(g_extern.savestate_name, g_extern.basename, ".state", sizeof(g_extern.savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n", g_extern.savestate_name);
}
// If this is already set,
// do not overwrite it as this was initialized before in a menu or otherwise.
if (!*g_settings.system_directory)
fill_pathname_basedir(g_settings.system_directory, path, sizeof(g_settings.system_directory));
if (*g_extern.config_path && path_is_directory(g_extern.config_path))
{
fill_pathname_dir(g_extern.config_path, g_extern.basename, ".cfg", sizeof(g_extern.config_path));
RARCH_LOG("Redirecting config file to \"%s\".\n", g_extern.config_path);
if (!path_file_exists(g_extern.config_path))
{
*g_extern.config_path = '\0';
RARCH_LOG("Did not find config file. Using system default.\n");
}
}
}
static void verify_stdin_paths(void)
{
if (!*g_extern.savefile_name_srm)
{
RARCH_ERR("Need savefile path argument (--save) when reading rom from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (!*g_extern.savestate_name)
{
RARCH_ERR("Need savestate path argument (--savestate) when reading rom from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
if (path_is_directory(g_extern.savefile_name_srm))
{
RARCH_ERR("Cannot specify directory for path argument (--save) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (path_is_directory(g_extern.savestate_name))
{
RARCH_ERR("Cannot specify directory for path argument (--savestate) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (path_is_directory(g_extern.config_path))
{
RARCH_ERR("Cannot specify directory for config file (--config) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
driver.stdin_claimed = true;
}
static void parse_input(int argc, char *argv[])
{
if (argc < 2)
{
print_help();
rarch_fail(1, "parse_input()");
}
// Make sure we can call parse_input several times ...
optind = 1;
int val = 0;
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "fullscreen", 0, NULL, 'f' },
#ifdef HAVE_FFMPEG
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, &val, 'R' },
{ "size", 1, &val, 's' },
#endif
{ "verbose", 0, NULL, 'v' },
{ "gameboy", 1, NULL, 'g' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, &val, 'C' },
{ "mouse", 1, NULL, 'm' },
{ "nodevice", 1, NULL, 'N' },
{ "scope", 0, NULL, 'p' },
{ "justifier", 0, NULL, 'j' },
{ "justifiers", 0, NULL, 'J' },
{ "dualanalog", 1, NULL, 'A' },
{ "savestate", 1, NULL, 'S' },
{ "bsx", 1, NULL, 'b' },
{ "bsxslot", 1, NULL, 'B' },
{ "multitap", 0, NULL, '4' },
{ "sufamiA", 1, NULL, 'Y' },
{ "sufamiB", 1, NULL, 'Z' },
#ifdef HAVE_BSV_MOVIE
{ "bsvplay", 1, NULL, 'P' },
{ "bsvrecord", 1, NULL, 'R' },
{ "sram-mode", 1, NULL, 'M' },
#endif
#ifdef HAVE_NETPLAY
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, &val, 'p' },
{ "spectate", 0, &val, 'S' },
{ "nick", 1, &val, 'N' },
#endif
#ifdef HAVE_NETWORK_CMD
{ "command", 1, &val, 'c' },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, &val, 'B' },
{ "ips", 1, &val, 'I' },
{ "no-patch", 0, &val, 'n' },
{ "xml", 1, NULL, 'X' },
{ "detach", 0, NULL, 'D' },
{ "features", 0, &val, 'f' },
{ NULL, 0, NULL, 0 }
};
#ifdef HAVE_FFMPEG
#define FFMPEG_RECORD_ARG "r:"
#else
#define FFMPEG_RECORD_ARG
#endif
#ifdef HAVE_DYNAMIC
#define DYNAMIC_ARG "L:"
#else
#define DYNAMIC_ARG
#endif
#ifdef HAVE_NETPLAY
#define NETPLAY_ARG "HC:F:"
#else
#define NETPLAY_ARG
#endif
#ifdef HAVE_BSV_MOVIE
#define BSV_MOVIE_ARG "P:R:M:"
#else
#define BSV_MOVIE_ARG
#endif
const char *optstring = "hs:fvS:m:p4jJA:g:b:c:B:Y:Z:U:DN:X:" BSV_MOVIE_ARG NETPLAY_ARG DYNAMIC_ARG FFMPEG_RECORD_ARG;
#ifdef RARCH_CONSOLE
// hack - done for reentrancy reasons
g_extern.has_set_save_path = false;
g_extern.has_set_state_path = false;
#endif
for (;;)
{
val = 0;
int c = getopt_long(argc, argv, optstring, opts, NULL);
int port;
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case '4':
g_extern.has_multitap = true;
break;
case 'j':
g_extern.has_justifier = true;
break;
case 'J':
g_extern.has_justifiers = true;
break;
case 'A':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Connect dualanalog to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.has_dualanalog[port - 1] = true;
break;
case 's':
strlcpy(g_extern.savefile_name_srm, optarg, sizeof(g_extern.savefile_name_srm));
g_extern.has_set_save_path = true;
break;
case 'f':
g_extern.force_fullscreen = true;
break;
case 'g':
strlcpy(g_extern.gb_rom_path, optarg, sizeof(g_extern.gb_rom_path));
g_extern.game_type = RARCH_CART_SGB;
break;
case 'b':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = RARCH_CART_BSX;
break;
case 'B':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = RARCH_CART_BSX_SLOTTED;
break;
case 'Y':
strlcpy(g_extern.sufami_rom_path[0], optarg, sizeof(g_extern.sufami_rom_path[0]));
g_extern.game_type = RARCH_CART_SUFAMI;
break;
case 'Z':
strlcpy(g_extern.sufami_rom_path[1], optarg, sizeof(g_extern.sufami_rom_path[1]));
g_extern.game_type = RARCH_CART_SUFAMI;
break;
case 'S':
strlcpy(g_extern.savestate_name, optarg, sizeof(g_extern.savestate_name));
g_extern.has_set_state_path = true;
break;
case 'v':
g_extern.verbose = true;
break;
case 'm':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Connect mouse to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.has_mouse[port - 1] = true;
break;
case 'N':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Disconnect device from a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.disconnect_device[port - 1] = true;
break;
case 'p':
g_extern.has_scope = true;
break;
case 'c':
strlcpy(g_extern.config_path, optarg, sizeof(g_extern.config_path));
break;
#ifdef HAVE_FFMPEG
case 'r':
strlcpy(g_extern.record_path, optarg, sizeof(g_extern.record_path));
g_extern.recording = true;
break;
#endif
#ifdef HAVE_DYNAMIC
case 'L':
strlcpy(g_settings.libretro, optarg, sizeof(g_settings.libretro));
break;
#endif
#ifdef HAVE_BSV_MOVIE
case 'P':
case 'R':
strlcpy(g_extern.bsv.movie_start_path, optarg,
sizeof(g_extern.bsv.movie_start_path));
g_extern.bsv.movie_start_playback = c == 'P';
g_extern.bsv.movie_start_recording = c == 'R';
break;
case 'M':
if (strcmp(optarg, "noload-nosave") == 0)
{
g_extern.sram_load_disable = true;
g_extern.sram_save_disable = true;
}
else if (strcmp(optarg, "noload-save") == 0)
g_extern.sram_load_disable = true;
else if (strcmp(optarg, "load-nosave") == 0)
g_extern.sram_save_disable = true;
else if (strcmp(optarg, "load-save") != 0)
{
RARCH_ERR("Invalid argument in --sram-mode.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
#endif
#ifdef HAVE_NETPLAY
case 'H':
g_extern.netplay_enable = true;
break;
case 'C':
g_extern.netplay_enable = true;
strlcpy(g_extern.netplay_server, optarg, sizeof(g_extern.netplay_server));
break;
case 'F':
g_extern.netplay_sync_frames = strtol(optarg, NULL, 0);
break;
#endif
case 'U':
strlcpy(g_extern.ups_name, optarg, sizeof(g_extern.ups_name));
g_extern.ups_pref = true;
break;
case 'X':
strlcpy(g_extern.xml_name, optarg, sizeof(g_extern.xml_name));
break;
case 'D':
#if defined(_WIN32) && !defined(_XBOX)
FreeConsole();
#endif
break;
case 0:
switch (val)
{
#ifdef HAVE_NETPLAY
case 'p':
g_extern.netplay_port = strtoul(optarg, NULL, 0);
break;
case 'S':
g_extern.netplay_is_spectate = true;
break;
case 'N':
strlcpy(g_extern.netplay_nick, optarg, sizeof(g_extern.netplay_nick));
break;
#endif
#ifdef HAVE_NETWORK_CMD
case 'c':
if (network_cmd_send(optarg))
exit(0);
else
rarch_fail(1, "network_cmd_send()");
break;
#endif
case 'C':
strlcpy(g_extern.append_config_path, optarg, sizeof(g_extern.append_config_path));
break;
case 'B':
strlcpy(g_extern.bps_name, optarg, sizeof(g_extern.bps_name));
g_extern.bps_pref = true;
break;
case 'I':
strlcpy(g_extern.ips_name, optarg, sizeof(g_extern.ips_name));
g_extern.ips_pref = true;
break;
case 'n':
g_extern.block_patch = true;
break;
#ifdef HAVE_FFMPEG
case 's':
{
errno = 0;
char *ptr;
g_extern.record_width = strtoul(optarg, &ptr, 0);
if ((*ptr != 'x') || errno)
{
RARCH_ERR("Wrong format for --size.\n");
print_help();
rarch_fail(1, "parse_input()");
}
ptr++;
g_extern.record_height = strtoul(ptr, &ptr, 0);
if ((*ptr != '\0') || errno)
{
RARCH_ERR("Wrong format for --size.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
}
case 'R':
strlcpy(g_extern.record_config, optarg, sizeof(g_extern.record_config));
break;
#endif
case 'f':
print_features();
exit(0);
default:
break;
}
break;
case '?':
print_help();
rarch_fail(1, "parse_input()");
default:
RARCH_ERR("Error parsing arguments.\n");
rarch_fail(1, "parse_input()");
}
}
if (optind < argc)
set_paths(argv[optind]);
else
verify_stdin_paths();
}
static void init_controllers(void)
{
for (unsigned i = 0; i < MAX_PLAYERS; i++)
{
if (g_extern.disconnect_device[i])
{
RARCH_LOG("Disconnecting device from port %u.\n", i + 1);
pretro_set_controller_port_device(i, RETRO_DEVICE_NONE);
}
else if (g_extern.has_dualanalog[i])
{
RARCH_LOG("Connecting dualanalog to port %u.\n", i + 1);
pretro_set_controller_port_device(i, RETRO_DEVICE_ANALOG);
}
else if (g_extern.has_mouse[i])
{
RARCH_LOG("Connecting mouse to port %u.\n", i + 1);
pretro_set_controller_port_device(i, RETRO_DEVICE_MOUSE);
}
}
if (g_extern.has_justifier)
{
RARCH_LOG("Connecting Justifier to port 2.\n");
pretro_set_controller_port_device(1, RETRO_DEVICE_LIGHTGUN_JUSTIFIER);
}
else if (g_extern.has_justifiers)
{
RARCH_LOG("Connecting Justifiers to port 2.\n");
pretro_set_controller_port_device(1, RETRO_DEVICE_LIGHTGUN_JUSTIFIERS);
}
else if (g_extern.has_multitap)
{
RARCH_LOG("Connecting Multitap to port 2.\n");
pretro_set_controller_port_device(1, RETRO_DEVICE_JOYPAD_MULTITAP);
}
else if (g_extern.has_scope)
{
RARCH_LOG("Connecting scope to port 2.\n");
pretro_set_controller_port_device(1, RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE);
}
}
static inline void load_save_files(void)
{
switch (g_extern.game_type)
{
case RARCH_CART_NORMAL:
load_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SAVE_RAM);
load_ram_file(g_extern.savefile_name_rtc, RETRO_MEMORY_RTC);
break;
case RARCH_CART_SGB:
load_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SNES_GAME_BOY_RAM);
load_ram_file(g_extern.savefile_name_rtc, RETRO_MEMORY_SNES_GAME_BOY_RTC);
break;
case RARCH_CART_BSX:
case RARCH_CART_BSX_SLOTTED:
load_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SNES_BSX_RAM);
load_ram_file(g_extern.savefile_name_psrm, RETRO_MEMORY_SNES_BSX_PRAM);
break;
case RARCH_CART_SUFAMI:
load_ram_file(g_extern.savefile_name_asrm, RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM);
load_ram_file(g_extern.savefile_name_bsrm, RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM);
break;
default:
break;
}
}
static inline void save_files(void)
{
switch (g_extern.game_type)
{
case RARCH_CART_NORMAL:
RARCH_LOG("Saving regular SRAM.\n");
RARCH_LOG("SRM: %s\n", g_extern.savefile_name_srm);
RARCH_LOG("RTC: %s\n", g_extern.savefile_name_rtc);
save_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SAVE_RAM);
save_ram_file(g_extern.savefile_name_rtc, RETRO_MEMORY_RTC);
break;
case RARCH_CART_SGB:
RARCH_LOG("Saving Gameboy SRAM.\n");
RARCH_LOG("SRM: %s\n", g_extern.savefile_name_srm);
RARCH_LOG("RTC: %s\n", g_extern.savefile_name_rtc);
save_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SNES_GAME_BOY_RAM);
save_ram_file(g_extern.savefile_name_rtc, RETRO_MEMORY_SNES_GAME_BOY_RTC);
break;
case RARCH_CART_BSX:
case RARCH_CART_BSX_SLOTTED:
RARCH_LOG("Saving BSX (P)RAM.\n");
RARCH_LOG("SRM: %s\n", g_extern.savefile_name_srm);
RARCH_LOG("PSRM: %s\n", g_extern.savefile_name_psrm);
save_ram_file(g_extern.savefile_name_srm, RETRO_MEMORY_SNES_BSX_RAM);
save_ram_file(g_extern.savefile_name_psrm, RETRO_MEMORY_SNES_BSX_PRAM);
break;
case RARCH_CART_SUFAMI:
RARCH_LOG("Saving Sufami turbo A/B RAM.\n");
RARCH_LOG("ASRM: %s\n", g_extern.savefile_name_asrm);
RARCH_LOG("BSRM: %s\n", g_extern.savefile_name_bsrm);
save_ram_file(g_extern.savefile_name_asrm, RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM);
save_ram_file(g_extern.savefile_name_bsrm, RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM);
break;
default:
break;
}
}
#ifdef HAVE_FFMPEG
static void init_recording(void)
{
if (!g_extern.recording)
return;
double fps = g_extern.system.av_info.timing.fps;
double samplerate = g_extern.system.av_info.timing.sample_rate;
RARCH_LOG("Custom timing given: FPS: %.4f, Sample rate: %.4f\n", (float)fps, (float)samplerate);
struct ffemu_params params = {0};
const struct retro_system_av_info *info = &g_extern.system.av_info;
params.out_width = info->geometry.base_width;
params.out_height = info->geometry.base_height;
params.fb_width = info->geometry.max_width;
params.fb_height = info->geometry.max_height;
params.channels = 2;
params.filename = g_extern.record_path;
params.fps = fps;
params.samplerate = samplerate;
params.pix_fmt = g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888 ? FFEMU_PIX_ARGB8888 : FFEMU_PIX_RGB565;
params.config = *g_extern.record_config ? g_extern.record_config : NULL;
if (g_settings.video.gpu_record && driver.video->read_viewport)
{
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
{
RARCH_ERR("Failed to get viewport information from video driver. "
"Cannot start recording ...\n");
g_extern.recording = false;
return;
}
params.out_width = vp.width;
params.out_height = vp.height;
params.fb_width = next_pow2(vp.width);
params.fb_height = next_pow2(vp.height);
if (g_settings.video.force_aspect && (g_extern.system.aspect_ratio > 0.0f))
params.aspect_ratio = g_extern.system.aspect_ratio;
else
params.aspect_ratio = (float)vp.width / vp.height;
params.pix_fmt = FFEMU_PIX_BGR24;
g_extern.record_gpu_width = vp.width;
g_extern.record_gpu_height = vp.height;
RARCH_LOG("Detected viewport of %u x %u\n",
vp.width, vp.height);
g_extern.record_gpu_buffer = (uint8_t*)malloc(vp.width * vp.height * 3);
if (!g_extern.record_gpu_buffer)
{
RARCH_ERR("Failed to allocate GPU record buffer.\n");
g_extern.recording = false;
return;
}
}
else
{
if (g_extern.record_width || g_extern.record_height)
{
params.out_width = g_extern.record_width;
params.out_height = g_extern.record_height;
}
if (g_settings.video.force_aspect && (g_extern.system.aspect_ratio > 0.0f))
params.aspect_ratio = g_extern.system.aspect_ratio;
else
params.aspect_ratio = (float)params.out_width / params.out_height;
if (g_settings.video.post_filter_record && g_extern.filter.active)
{
g_extern.filter.psize(&params.out_width, &params.out_height);
params.pix_fmt = FFEMU_PIX_ARGB8888;
unsigned max_width = params.fb_width;
unsigned max_height = params.fb_height;
g_extern.filter.psize(&max_width, &max_height);
params.fb_width = next_pow2(max_width);
params.fb_height = next_pow2(max_height);
}
}
RARCH_LOG("Recording with FFmpeg to %s @ %ux%u. (FB size: %ux%u pix_fmt: %u)\n",
g_extern.record_path,
params.out_width, params.out_height,
params.fb_width, params.fb_height,
(unsigned)params.pix_fmt);
g_extern.rec = ffemu_new(&params);
if (!g_extern.rec)
{
RARCH_ERR("Failed to start FFmpeg recording.\n");
g_extern.recording = false;
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
}
}
static void deinit_recording(void)
{
if (!g_extern.recording)
return;
ffemu_finalize(g_extern.rec);
ffemu_free(g_extern.rec);
g_extern.rec = NULL;
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
}
#endif
void rarch_init_msg_queue(void)
{
if (g_extern.msg_queue)
return;
rarch_assert(g_extern.msg_queue = msg_queue_new(8));
}
void rarch_deinit_msg_queue(void)
{
if (g_extern.msg_queue)
{
msg_queue_free(g_extern.msg_queue);
g_extern.msg_queue = NULL;
}
}
static void init_cheats(void)
{
if (*g_settings.cheat_database)
g_extern.cheat = cheat_manager_new(g_settings.cheat_database);
}
static void deinit_cheats(void)
{
if (g_extern.cheat)
cheat_manager_free(g_extern.cheat);
}
void rarch_init_rewind(void)
{
if (!g_settings.rewind_enable || g_extern.state_manager)
return;
g_extern.state_size = pretro_serialize_size();
if (!g_extern.state_size)
{
RARCH_ERR("Implementation does not support save states. Cannot use rewind.\n");
return;
}
// Make sure we allocate at least 4-byte multiple.
size_t aligned_state_size = (g_extern.state_size + 3) & ~3;
g_extern.state_buf = calloc(1, aligned_state_size);
if (!g_extern.state_buf)
{
RARCH_ERR("Failed to allocate memory for rewind buffer.\n");
return;
}
if (!pretro_serialize(g_extern.state_buf, g_extern.state_size))
{
RARCH_ERR("Failed to perform initial serialization for rewind.\n");
free(g_extern.state_buf);
g_extern.state_buf = NULL;
return;
}
RARCH_LOG("Initing rewind buffer with size: %u MB\n", (unsigned)(g_settings.rewind_buffer_size / 1000000));
g_extern.state_manager = state_manager_new(aligned_state_size, g_settings.rewind_buffer_size, g_extern.state_buf);
if (!g_extern.state_manager)
RARCH_WARN("Failed to init rewind buffer. Rewinding will be disabled.\n");
}
void rarch_deinit_rewind(void)
{
if (g_extern.state_manager)
state_manager_free(g_extern.state_manager);
g_extern.state_manager = NULL;
free(g_extern.state_buf);
g_extern.state_buf = NULL;
}
#ifdef HAVE_BSV_MOVIE
static void init_movie(void)
{
if (g_extern.bsv.movie_start_playback)
{
g_extern.bsv.movie = bsv_movie_init(g_extern.bsv.movie_start_path, RARCH_MOVIE_PLAYBACK);
if (!g_extern.bsv.movie)
{
RARCH_ERR("Failed to load movie file: \"%s\".\n", g_extern.bsv.movie_start_path);
rarch_fail(1, "init_movie()");
}
g_extern.bsv.movie_playback = true;
msg_queue_push(g_extern.msg_queue, "Starting movie playback.", 2, 180);
RARCH_LOG("Starting movie playback.\n");
g_settings.rewind_granularity = 1;
}
else if (g_extern.bsv.movie_start_recording)
{
char msg[PATH_MAX];
snprintf(msg, sizeof(msg), "Starting movie record to \"%s\".",
g_extern.bsv.movie_start_path);
g_extern.bsv.movie = bsv_movie_init(g_extern.bsv.movie_start_path, RARCH_MOVIE_RECORD);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue,
g_extern.bsv.movie ? msg : "Failed to start movie record.", 1, 180);
if (g_extern.bsv.movie)
{
RARCH_LOG("Starting movie record to \"%s\".\n", g_extern.bsv.movie_start_path);
g_settings.rewind_granularity = 1;
}
else
RARCH_ERR("Failed to start movie record.\n");
}
}
static void deinit_movie(void)
{
if (g_extern.bsv.movie)
bsv_movie_free(g_extern.bsv.movie);
}
#endif
#define RARCH_DEFAULT_PORT 55435
#ifdef HAVE_NETPLAY
static void init_netplay(void)
{
if (!g_extern.netplay_enable)
return;
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie_start_playback)
{
RARCH_WARN("Movie playback has started. Cannot start netplay.\n");
return;
}
#endif
struct retro_callbacks cbs = {0};
cbs.frame_cb = video_frame;
cbs.sample_cb = audio_sample;
cbs.sample_batch_cb = audio_sample_batch;
cbs.state_cb = input_state;
if (*g_extern.netplay_server)
{
RARCH_LOG("Connecting to netplay host...\n");
g_extern.netplay_is_client = true;
}
else
RARCH_LOG("Waiting for client...\n");
g_extern.netplay = netplay_new(g_extern.netplay_is_client ? g_extern.netplay_server : NULL,
g_extern.netplay_port ? g_extern.netplay_port : RARCH_DEFAULT_PORT,
g_extern.netplay_sync_frames, &cbs, g_extern.netplay_is_spectate,
g_extern.netplay_nick);
if (!g_extern.netplay)
{
g_extern.netplay_is_client = false;
RARCH_WARN("Failed to init netplay ...\n");
if (g_extern.msg_queue)
{
msg_queue_push(g_extern.msg_queue,
"Failed to init netplay ...",
0, 180);
}
}
}
static void deinit_netplay(void)
{
if (g_extern.netplay)
netplay_free(g_extern.netplay);
}
#endif
#ifdef HAVE_COMMAND
static void init_command(void)
{
if (!g_settings.stdin_cmd_enable && !g_settings.network_cmd_enable)
return;
if (g_settings.stdin_cmd_enable && driver.stdin_claimed)
{
RARCH_WARN("stdin command interface is desired, but input driver has already claimed stdin.\n"
"Cannot use this command interface.\n");
}
driver.command = rarch_cmd_new(g_settings.stdin_cmd_enable && !driver.stdin_claimed,
g_settings.network_cmd_enable, g_settings.network_cmd_port);
if (!driver.command)
RARCH_ERR("Failed to initialize command interface.\n");
}
static void deinit_command(void)
{
if (driver.command)
{
rarch_cmd_free(driver.command);
driver.command = NULL;
}
}
#endif
static void init_libretro_cbs_plain(void)
{
pretro_set_video_refresh(video_frame);
pretro_set_audio_sample(audio_sample);
pretro_set_audio_sample_batch(audio_sample_batch);
pretro_set_input_state(input_state);
pretro_set_input_poll(rarch_input_poll);
}
static void init_libretro_cbs(void)
{
init_libretro_cbs_plain();
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
{
pretro_set_video_refresh(g_extern.netplay_is_spectate ?
video_frame : video_frame_net);
pretro_set_audio_sample(g_extern.netplay_is_spectate ?
audio_sample : audio_sample_net);
pretro_set_audio_sample_batch(g_extern.netplay_is_spectate ?
audio_sample_batch : audio_sample_batch_net);
pretro_set_input_state(g_extern.netplay_is_spectate ?
(g_extern.netplay_is_client ? input_state_spectate_client : input_state_spectate)
: input_state_net);
}
#endif
}
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
static void init_autosave(void)
{
int ram_types[2] = {-1, -1};
const char *ram_paths[2] = {NULL, NULL};
switch (g_extern.game_type)
{
case RARCH_CART_BSX:
case RARCH_CART_BSX_SLOTTED:
ram_types[0] = RETRO_MEMORY_SNES_BSX_RAM;
ram_types[1] = RETRO_MEMORY_SNES_BSX_PRAM;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_psrm;
break;
case RARCH_CART_SUFAMI:
ram_types[0] = RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM;
ram_types[1] = RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM;
ram_paths[0] = g_extern.savefile_name_asrm;
ram_paths[1] = g_extern.savefile_name_bsrm;
break;
case RARCH_CART_SGB:
ram_types[0] = RETRO_MEMORY_SNES_GAME_BOY_RAM;
ram_types[1] = RETRO_MEMORY_SNES_GAME_BOY_RTC;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_rtc;
break;
default:
ram_types[0] = RETRO_MEMORY_SAVE_RAM;
ram_types[1] = RETRO_MEMORY_RTC;
ram_paths[0] = g_extern.savefile_name_srm;
ram_paths[1] = g_extern.savefile_name_rtc;
}
if (g_settings.autosave_interval > 0)
{
for (unsigned i = 0; i < sizeof(g_extern.autosave) / sizeof(g_extern.autosave[0]); i++)
{
if (ram_paths[i] && *ram_paths[i] && pretro_get_memory_size(ram_types[i]) > 0)
{
g_extern.autosave[i] = autosave_new(ram_paths[i],
pretro_get_memory_data(ram_types[i]),
pretro_get_memory_size(ram_types[i]),
g_settings.autosave_interval);
if (!g_extern.autosave[i])
RARCH_WARN("Could not initialize autosave.\n");
}
}
}
}
static void deinit_autosave(void)
{
for (unsigned i = 0; i < sizeof(g_extern.autosave) / sizeof(g_extern.autosave[0]); i++)
{
if (g_extern.autosave[i])
autosave_free(g_extern.autosave[i]);
}
}
#endif
static void set_savestate_auto_index(void)
{
if (!g_settings.savestate_auto_index)
return;
// Find the file in the same directory as g_extern.savestate_name with the largest numeral suffix.
// E.g. /foo/path/game.state, will try to find /foo/path/game.state%d, where %d is the largest number available.
char state_dir[PATH_MAX];
char state_base[PATH_MAX];
fill_pathname_basedir(state_dir, g_extern.savestate_name, sizeof(state_dir));
fill_pathname_base(state_base, g_extern.savestate_name, sizeof(state_base));
unsigned max_index = 0;
struct string_list *dir_list = dir_list_new(state_dir, NULL, false);
if (!dir_list)
return;
for (size_t i = 0; i < dir_list->size; i++)
{
const char *dir_elem = dir_list->elems[i].data;
char elem_base[PATH_MAX];
fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));
if (strstr(elem_base, state_base) != elem_base)
continue;
const char *end = dir_elem + strlen(dir_elem);
while ((end > dir_elem) && isdigit(end[-1])) end--;
unsigned index = strtoul(end, NULL, 0);
if (index > max_index)
max_index = index;
}
dir_list_free(dir_list);
g_extern.state_slot = max_index;
RARCH_LOG("Found last state slot: #%u\n", g_extern.state_slot);
}
static void fill_pathnames(void)
{
switch (g_extern.game_type)
{
case RARCH_CART_BSX:
case RARCH_CART_BSX_SLOTTED:
// BSX PSRM
if (!g_extern.has_set_save_path)
{
fill_pathname(g_extern.savefile_name_srm,
g_extern.bsx_rom_path, ".srm", sizeof(g_extern.savefile_name_srm));
}
fill_pathname(g_extern.savefile_name_psrm,
g_extern.savefile_name_srm, ".psrm", sizeof(g_extern.savefile_name_psrm));
if (!g_extern.has_set_state_path)
{
fill_pathname(g_extern.savestate_name,
g_extern.bsx_rom_path, ".state", sizeof(g_extern.savestate_name));
}
break;
case RARCH_CART_SUFAMI:
if (g_extern.has_set_save_path && *g_extern.sufami_rom_path[0] && *g_extern.sufami_rom_path[1])
RARCH_WARN("Sufami Turbo SRAM paths will be inferred from their respective paths to avoid conflicts.\n");
// SUFAMI ARAM
fill_pathname(g_extern.savefile_name_asrm,
g_extern.sufami_rom_path[0], ".srm", sizeof(g_extern.savefile_name_asrm));
// SUFAMI BRAM
fill_pathname(g_extern.savefile_name_bsrm,
g_extern.sufami_rom_path[1], ".srm", sizeof(g_extern.savefile_name_bsrm));
if (!g_extern.has_set_state_path)
{
fill_pathname(g_extern.savestate_name,
*g_extern.sufami_rom_path[0] ?
g_extern.sufami_rom_path[0] : g_extern.sufami_rom_path[1],
".state", sizeof(g_extern.savestate_name));
}
break;
case RARCH_CART_SGB:
if (!g_extern.has_set_save_path)
{
fill_pathname(g_extern.savefile_name_srm,
g_extern.gb_rom_path, ".srm", sizeof(g_extern.savefile_name_srm));
}
if (!g_extern.has_set_state_path)
{
fill_pathname(g_extern.savestate_name,
g_extern.gb_rom_path, ".state", sizeof(g_extern.savestate_name));
}
fill_pathname(g_extern.savefile_name_rtc,
g_extern.savefile_name_srm, ".rtc", sizeof(g_extern.savefile_name_rtc));
break;
default:
// Infer .rtc save path from save ram path.
fill_pathname(g_extern.savefile_name_rtc,
g_extern.savefile_name_srm, ".rtc", sizeof(g_extern.savefile_name_rtc));
}
#ifdef HAVE_BSV_MOVIE
fill_pathname(g_extern.bsv.movie_path, g_extern.savefile_name_srm, "", sizeof(g_extern.bsv.movie_path));
#endif
if (*g_extern.basename)
{
if (!(*g_extern.ups_name))
fill_pathname_noext(g_extern.ups_name, g_extern.basename, ".ups", sizeof(g_extern.ups_name));
if (!(*g_extern.bps_name))
fill_pathname_noext(g_extern.bps_name, g_extern.basename, ".bps", sizeof(g_extern.bps_name));
if (!(*g_extern.ips_name))
fill_pathname_noext(g_extern.ips_name, g_extern.basename, ".ips", sizeof(g_extern.ips_name));
if (!(*g_extern.xml_name))
fill_pathname_noext(g_extern.xml_name, g_extern.basename, ".xml", sizeof(g_extern.xml_name));
#ifdef HAVE_SCREENSHOTS
if (!*g_settings.screenshot_directory)
fill_pathname_basedir(g_settings.screenshot_directory, g_extern.basename, sizeof(g_settings.screenshot_directory));
#endif
}
}
static void load_auto_state(void)
{
#ifdef HAVE_NETPLAY
if (g_extern.netplay_enable && !g_extern.netplay_is_spectate)
return;
#endif
if (!g_settings.savestate_auto_load)
return;
char savestate_name_auto[PATH_MAX];
fill_pathname_noext(savestate_name_auto, g_extern.savestate_name,
".auto", sizeof(savestate_name_auto));
if (path_file_exists(savestate_name_auto))
{
RARCH_LOG("Found auto savestate in: %s\n", savestate_name_auto);
bool ret = load_state(savestate_name_auto);
char msg[PATH_MAX];
snprintf(msg, sizeof(msg), "Auto-loading savestate from \"%s\" %s.", savestate_name_auto, ret ? "succeeded" : "failed");
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
}
static void save_auto_state(void)
{
if (!g_settings.savestate_auto_save)
return;
char savestate_name_auto[PATH_MAX];
fill_pathname_noext(savestate_name_auto, g_extern.savestate_name,
".auto", sizeof(savestate_name_auto));
bool ret = save_state(savestate_name_auto);
RARCH_LOG("Auto save state to \"%s\" %s.\n", savestate_name_auto, ret ? "succeeded" : "failed");
}
void rarch_load_state(void)
{
char load_path[PATH_MAX];
if (g_extern.state_slot > 0)
snprintf(load_path, sizeof(load_path), "%s%u", g_extern.savestate_name, g_extern.state_slot);
else
snprintf(load_path, sizeof(load_path), "%s", g_extern.savestate_name);
char msg[512];
if (load_state(load_path))
snprintf(msg, sizeof(msg), "Loaded state from slot #%u.", g_extern.state_slot);
else
snprintf(msg, sizeof(msg), "Failed to load state from \"%s\".", load_path);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
}
void rarch_save_state(void)
{
if (g_settings.savestate_auto_index)
g_extern.state_slot++;
char save_path[PATH_MAX];
if (g_extern.state_slot > 0)
snprintf(save_path, sizeof(save_path), "%s%u", g_extern.savestate_name, g_extern.state_slot);
else
snprintf(save_path, sizeof(save_path), "%s", g_extern.savestate_name);
char msg[512];
if (save_state(save_path))
snprintf(msg, sizeof(msg), "Saved state to slot #%u.", g_extern.state_slot);
else
snprintf(msg, sizeof(msg), "Failed to save state to \"%s\".", save_path);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
}
// Save or load state here.
static void check_savestates(bool immutable)
{
static bool old_should_savestate = false;
bool should_savestate = input_key_pressed_func(RARCH_SAVE_STATE_KEY);
if (should_savestate && !old_should_savestate)
rarch_save_state();
old_should_savestate = should_savestate;
if (!immutable)
{
static bool old_should_loadstate = false;
bool should_loadstate = input_key_pressed_func(RARCH_LOAD_STATE_KEY);
if (!should_savestate && should_loadstate && !old_should_loadstate)
rarch_load_state();
old_should_loadstate = should_loadstate;
}
}
#if !defined(RARCH_PERFORMANCE_MODE)
static bool check_fullscreen(void)
{
// If we go fullscreen we drop all drivers and reinit to be safe.
static bool was_pressed = false;
bool pressed = input_key_pressed_func(RARCH_FULLSCREEN_TOGGLE_KEY);
bool toggle = pressed && !was_pressed;
if (toggle)
{
g_settings.video.fullscreen = !g_settings.video.fullscreen;
uninit_drivers();
init_drivers();
// Poll input to avoid possibly stale data to corrupt things.
if (driver.input)
input_poll_func();
}
was_pressed = pressed;
return toggle;
}
#endif
void rarch_state_slot_increase(void)
{
g_extern.state_slot++;
if (g_extern.msg_queue)
msg_queue_clear(g_extern.msg_queue);
char msg[256];
#ifdef HAVE_BSV_MOVIE
snprintf(msg, sizeof(msg), "Save state/movie slot: %u", g_extern.state_slot);
#else
snprintf(msg, sizeof(msg), "Save state slot: %u", g_extern.state_slot);
#endif
if (g_extern.msg_queue)
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
void rarch_state_slot_decrease(void)
{
if (g_extern.state_slot > 0)
g_extern.state_slot--;
if (g_extern.msg_queue)
msg_queue_clear(g_extern.msg_queue);
char msg[256];
#ifdef HAVE_BSV_MOVIE
snprintf(msg, sizeof(msg), "Save state/movie slot: %u", g_extern.state_slot);
#else
snprintf(msg, sizeof(msg), "Save state slot: %u", g_extern.state_slot);
#endif
if (g_extern.msg_queue)
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
static void check_stateslots(void)
{
// Save state slots
static bool old_should_slot_increase = false;
bool should_slot_increase = input_key_pressed_func(RARCH_STATE_SLOT_PLUS);
if (should_slot_increase && !old_should_slot_increase)
rarch_state_slot_increase();
old_should_slot_increase = should_slot_increase;
static bool old_should_slot_decrease = false;
bool should_slot_decrease = input_key_pressed_func(RARCH_STATE_SLOT_MINUS);
if (should_slot_decrease && !old_should_slot_decrease)
rarch_state_slot_decrease();
old_should_slot_decrease = should_slot_decrease;
}
static inline void flush_rewind_audio(void)
{
if (g_extern.frame_is_reverse) // We just rewound. Flush rewind audio buffer.
{
g_extern.audio_active = audio_flush(g_extern.audio_data.rewind_buf + g_extern.audio_data.rewind_ptr,
g_extern.audio_data.rewind_size - g_extern.audio_data.rewind_ptr) && g_extern.audio_active;
}
}
static inline void setup_rewind_audio(void)
{
// Push audio ready to be played.
g_extern.audio_data.rewind_ptr = g_extern.audio_data.rewind_size;
for (unsigned i = 0; i < g_extern.audio_data.data_ptr; i += 2)
{
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] =
g_extern.audio_data.conv_outsamples[i + 1];
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] =
g_extern.audio_data.conv_outsamples[i + 0];
}
g_extern.audio_data.data_ptr = 0;
}
static void check_rewind(void)
{
flush_rewind_audio();
g_extern.frame_is_reverse = false;
static bool first = true;
if (first)
{
first = false;
return;
}
if (!g_extern.state_manager)
return;
if (input_key_pressed_func(RARCH_REWIND))
{
msg_queue_clear(g_extern.msg_queue);
void *buf;
if (state_manager_pop(g_extern.state_manager, &buf))
{
g_extern.frame_is_reverse = true;
setup_rewind_audio();
msg_queue_push(g_extern.msg_queue, "Rewinding.", 0, g_extern.is_paused ? 1 : 30);
pretro_unserialize(buf, g_extern.state_size);
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie)
bsv_movie_frame_rewind(g_extern.bsv.movie);
#endif
}
else
msg_queue_push(g_extern.msg_queue, "Reached end of rewind buffer.", 0, 30);
}
else
{
static unsigned cnt = 0;
cnt = (cnt + 1) % (g_settings.rewind_granularity ? g_settings.rewind_granularity : 1); // Avoid possible SIGFPE.
#ifdef HAVE_BSV_MOVIE
if (cnt == 0 || g_extern.bsv.movie)
#else
if (cnt == 0)
#endif
{
pretro_serialize(g_extern.state_buf, g_extern.state_size);
state_manager_push(g_extern.state_manager, g_extern.state_buf);
}
}
pretro_set_audio_sample(g_extern.frame_is_reverse ?
audio_sample_rewind : audio_sample);
pretro_set_audio_sample_batch(g_extern.frame_is_reverse ?
audio_sample_batch_rewind : audio_sample_batch);
}
static void check_slowmotion(void)
{
g_extern.is_slowmotion = input_key_pressed_func(RARCH_SLOWMOTION);
if (g_extern.is_slowmotion)
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, g_extern.frame_is_reverse ? "Slow motion rewind." : "Slow motion.", 0, 30);
}
}
#ifdef HAVE_BSV_MOVIE
static void movie_record_toggle(void)
{
if (g_extern.bsv.movie)
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Stopping movie record.", 2, 180);
RARCH_LOG("Stopping movie record.\n");
bsv_movie_free(g_extern.bsv.movie);
g_extern.bsv.movie = NULL;
}
else
{
g_settings.rewind_granularity = 1;
char path[PATH_MAX];
if (g_extern.state_slot > 0)
{
snprintf(path, sizeof(path), "%s%u.bsv",
g_extern.bsv.movie_path, g_extern.state_slot);
}
else
{
snprintf(path, sizeof(path), "%s.bsv",
g_extern.bsv.movie_path);
}
char msg[PATH_MAX];
snprintf(msg, sizeof(msg), "Starting movie record to \"%s\".", path);
g_extern.bsv.movie = bsv_movie_init(path, RARCH_MOVIE_RECORD);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, g_extern.bsv.movie ? msg : "Failed to start movie record.", 1, 180);
if (g_extern.bsv.movie)
RARCH_LOG("Starting movie record to \"%s\".\n", path);
else
RARCH_ERR("Failed to start movie record.\n");
}
}
static void check_movie_record(bool pressed)
{
if (pressed)
movie_record_toggle();
}
static void check_movie_playback(bool pressed)
{
if (g_extern.bsv.movie_end || pressed)
{
msg_queue_push(g_extern.msg_queue, "Movie playback ended.", 1, 180);
RARCH_LOG("Movie playback ended.\n");
bsv_movie_free(g_extern.bsv.movie);
g_extern.bsv.movie = NULL;
g_extern.bsv.movie_end = false;
g_extern.bsv.movie_playback = false;
}
}
static void check_movie(void)
{
static bool old_button = false;
bool new_button = input_key_pressed_func(RARCH_MOVIE_RECORD_TOGGLE);
bool pressed = new_button && !old_button;
if (g_extern.bsv.movie_playback)
check_movie_playback(pressed);
else
check_movie_record(pressed);
old_button = new_button;
}
#endif
#if !defined(RARCH_PERFORMANCE_MODE)
static void check_pause(void)
{
static bool old_state = false;
bool new_state = input_key_pressed_func(RARCH_PAUSE_TOGGLE);
// FRAMEADVANCE will set us into pause mode.
new_state |= !g_extern.is_paused && input_key_pressed_func(RARCH_FRAMEADVANCE);
static bool old_focus = true;
bool focus = true;
if (g_settings.pause_nonactive)
focus = video_focus_func();
if (focus && new_state && !old_state)
{
g_extern.is_paused = !g_extern.is_paused;
if (g_extern.is_paused)
{
RARCH_LOG("Paused.\n");
if (driver.audio_data)
audio_stop_func();
}
else
{
RARCH_LOG("Unpaused.\n");
if (driver.audio_data)
{
if (!audio_start_func())
{
RARCH_ERR("Failed to resume audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
}
}
}
else if (focus && !old_focus)
{
RARCH_LOG("Unpaused.\n");
g_extern.is_paused = false;
if (driver.audio_data && !audio_start_func())
{
RARCH_ERR("Failed to resume audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
}
else if (!focus && old_focus)
{
RARCH_LOG("Paused.\n");
g_extern.is_paused = true;
if (driver.audio_data)
audio_stop_func();
}
old_focus = focus;
old_state = new_state;
}
static void check_oneshot(void)
{
static bool old_state = false;
bool new_state = input_key_pressed_func(RARCH_FRAMEADVANCE);
g_extern.is_oneshot = (new_state && !old_state);
old_state = new_state;
// Rewind buttons works like FRAMEREWIND when paused. We will one-shot in that case.
static bool old_rewind_state = false;
bool new_rewind_state = input_key_pressed_func(RARCH_REWIND);
g_extern.is_oneshot |= new_rewind_state && !old_rewind_state;
old_rewind_state = new_rewind_state;
}
#endif
void rarch_game_reset(void)
{
RARCH_LOG("Resetting game.\n");
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Reset.", 1, 120);
pretro_reset();
init_controllers(); // bSNES since v073r01 resets controllers to JOYPAD after a reset, so just enforce it here.
}
static void check_reset(void)
{
static bool old_state = false;
bool new_state = input_key_pressed_func(RARCH_RESET);
if (new_state && !old_state)
rarch_game_reset();
old_state = new_state;
}
static void check_turbo(void)
{
g_extern.turbo_count++;
static const struct retro_keybind *binds[MAX_PLAYERS] = {
g_settings.input.binds[0],
g_settings.input.binds[1],
g_settings.input.binds[2],
g_settings.input.binds[3],
g_settings.input.binds[4],
g_settings.input.binds[5],
g_settings.input.binds[6],
g_settings.input.binds[7],
};
for (unsigned i = 0; i < MAX_PLAYERS; i++)
g_extern.turbo_frame_enable[i] =
input_input_state_func(binds, i, RETRO_DEVICE_JOYPAD, 0, RARCH_TURBO_ENABLE);
}
static void check_shader_dir(void)
{
static bool old_pressed_next;
static bool old_pressed_prev;
if (!g_extern.shader_dir.list || !driver.video->set_shader)
return;
bool should_apply = false;
bool pressed_next = input_key_pressed_func(RARCH_SHADER_NEXT);
bool pressed_prev = input_key_pressed_func(RARCH_SHADER_PREV);
if (pressed_next && !old_pressed_next)
{
should_apply = true;
g_extern.shader_dir.ptr = (g_extern.shader_dir.ptr + 1) % g_extern.shader_dir.list->size;
}
else if (pressed_prev && !old_pressed_prev)
{
should_apply = true;
if (g_extern.shader_dir.ptr == 0)
g_extern.shader_dir.ptr = g_extern.shader_dir.list->size - 1;
else
g_extern.shader_dir.ptr--;
}
if (should_apply)
{
const char *shader = g_extern.shader_dir.list->elems[g_extern.shader_dir.ptr].data;
enum rarch_shader_type type = RARCH_SHADER_NONE;
const char *ext = strrchr(shader, '.');
if (ext)
{
if (strcmp(ext, ".shader") == 0)
type = RARCH_SHADER_GLSL;
else if (strcmp(ext, ".cg") == 0 || strcmp(ext, ".cgp") == 0)
type = RARCH_SHADER_CG;
}
if (type == RARCH_SHADER_NONE)
return;
msg_queue_clear(g_extern.msg_queue);
char msg[512];
snprintf(msg, sizeof(msg), "Shader #%u: \"%s\".", (unsigned)g_extern.shader_dir.ptr, shader);
msg_queue_push(g_extern.msg_queue, msg, 1, 120);
RARCH_LOG("Applying shader \"%s\".\n", shader);
if (!video_set_shader_func(type, shader, RARCH_SHADER_INDEX_MULTIPASS))
RARCH_WARN("Failed to apply shader.\n");
}
old_pressed_next = pressed_next;
old_pressed_prev = pressed_prev;
}
static void check_cheats(void)
{
if (!g_extern.cheat)
return;
static bool old_pressed_prev;
static bool old_pressed_next;
static bool old_pressed_toggle;
bool pressed_next = input_key_pressed_func(RARCH_CHEAT_INDEX_PLUS);
bool pressed_prev = input_key_pressed_func(RARCH_CHEAT_INDEX_MINUS);
bool pressed_toggle = input_key_pressed_func(RARCH_CHEAT_TOGGLE);
if (pressed_next && !old_pressed_next)
cheat_manager_index_next(g_extern.cheat);
else if (pressed_prev && !old_pressed_prev)
cheat_manager_index_prev(g_extern.cheat);
else if (pressed_toggle && !old_pressed_toggle)
cheat_manager_toggle(g_extern.cheat);
old_pressed_prev = pressed_prev;
old_pressed_next = pressed_next;
old_pressed_toggle = pressed_toggle;
}
static void check_disk(void)
{
const struct retro_disk_control_callback *control = &g_extern.system.disk_control;
if (!control->get_num_images)
return;
static bool old_pressed_eject;
static bool old_pressed_next;
bool pressed_eject = input_key_pressed_func(RARCH_DISK_EJECT_TOGGLE);
bool pressed_next = input_key_pressed_func(RARCH_DISK_NEXT);
bool error = false;
char msg[256];
*msg = '\0';
if (pressed_eject && !old_pressed_eject)
{
bool new_state = !control->get_eject_state();
if (control->set_eject_state(new_state))
snprintf(msg, sizeof(msg), "%s virtual disk tray.", new_state ? "Ejected" : "Closed");
else
{
error = true;
snprintf(msg, sizeof(msg), "Failed to %s virtual disk tray.", new_state ? "eject" : "close");
}
}
else if (pressed_next && !old_pressed_next)
{
unsigned num_disks = control->get_num_images();
unsigned current = control->get_image_index();
if (num_disks && num_disks != UINT_MAX)
{
// Use "no disk" state when index == num_disks.
unsigned next_index = current >= num_disks ? 0 : ((current + 1) % (num_disks + 1));
if (control->set_image_index(next_index))
{
if (next_index < num_disks)
snprintf(msg, sizeof(msg), "Setting disk %u of %u in tray.", next_index + 1, num_disks);
else
snprintf(msg, sizeof(msg), "Removed disk from tray.");
}
else
{
if (next_index < num_disks)
snprintf(msg, sizeof(msg), "Failed to set disk %u of %u.", next_index + 1, num_disks);
else
snprintf(msg, sizeof(msg), "Failed to remove disk from tray.");
error = true;
}
}
else
{
snprintf(msg, sizeof(msg), "Got invalid disk index from libretro.");
error = true;
}
}
if (*msg)
{
if (error)
RARCH_ERR("%s\n", msg);
else
RARCH_LOG("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
old_pressed_eject = pressed_eject;
old_pressed_next = pressed_next;
}
#if defined(HAVE_SCREENSHOTS) && !defined(_XBOX)
static void check_screenshot(void)
{
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_SCREENSHOT);
if (pressed && !old_pressed)
take_screenshot();
old_pressed = pressed;
}
#endif
#ifdef HAVE_DYLIB
static void check_dsp_config(void)
{
if (!g_extern.audio_data.dsp_plugin || !g_extern.audio_data.dsp_plugin->config)
return;
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_DSP_CONFIG);
if (pressed && !old_pressed)
g_extern.audio_data.dsp_plugin->config(g_extern.audio_data.dsp_handle);
old_pressed = pressed;
}
#endif
#if !defined(RARCH_PERFORMANCE_MODE)
static void check_mute(void)
{
if (!g_extern.audio_active)
return;
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_MUTE);
if (pressed && !old_pressed)
{
g_extern.audio_data.mute = !g_extern.audio_data.mute;
const char *msg = g_extern.audio_data.mute ? "Audio muted." : "Audio unmuted.";
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
old_pressed = pressed;
}
static void check_volume(void)
{
if (!g_extern.audio_active)
return;
float db_change = 0.0f;
bool pressed_up = input_key_pressed_func(RARCH_VOLUME_UP);
bool pressed_down = input_key_pressed_func(RARCH_VOLUME_DOWN);
if (!pressed_up && !pressed_down)
return;
if (pressed_up)
db_change += 0.5f;
if (pressed_down)
db_change -= 0.5f;
g_extern.audio_data.volume_db += db_change;
if (g_extern.audio_data.volume_db > 12.0f)
g_extern.audio_data.volume_db = 12.0f;
else if (g_extern.audio_data.volume_db < -80.0f)
g_extern.audio_data.volume_db = -80.0f;
char msg[256];
snprintf(msg, sizeof(msg), "Volume: %.1f dB", g_extern.audio_data.volume_db);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
g_extern.audio_data.volume_gain = db_to_gain(g_extern.audio_data.volume_db);
}
#endif
#ifdef HAVE_NETPLAY
static void check_netplay_flip(void)
{
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_NETPLAY_FLIP);
if (pressed && !old_pressed)
netplay_flip_players(g_extern.netplay);
old_pressed = pressed;
}
#endif
static void check_block_hotkey(void)
{
driver.block_hotkey = false;
// If we haven't bound anything to this,
// always allow hotkeys.
static const struct retro_keybind *bind = &g_settings.input.binds[0][RARCH_ENABLE_HOTKEY];
if (bind->key == RETROK_UNKNOWN && bind->joykey == NO_BTN && bind->joyaxis == AXIS_NONE)
return;
driver.block_hotkey = !input_key_pressed_func(RARCH_ENABLE_HOTKEY);
}
#ifdef HAVE_OVERLAY
static void check_overlay(void)
{
if (!driver.overlay)
return;
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_OVERLAY_NEXT);
if (pressed && !old_pressed)
input_overlay_next(driver.overlay);
old_pressed = pressed;
}
#endif
#ifndef RARCH_CONSOLE
static void check_grab_mouse_toggle(void)
{
static bool old_pressed;
bool pressed = input_key_pressed_func(RARCH_GRAB_MOUSE_TOGGLE) &&
driver.input->grab_mouse;
static bool grab_mouse_state;
if (pressed && !old_pressed)
{
grab_mouse_state = !grab_mouse_state;
RARCH_LOG("Grab mouse state: %s.\n", grab_mouse_state ? "yes" : "no");
driver.input->grab_mouse(driver.input_data, grab_mouse_state);
if (driver.video_poke && driver.video_poke->show_mouse)
driver.video_poke->show_mouse(driver.video_data, !grab_mouse_state);
}
old_pressed = pressed;
}
#endif
static void do_state_checks(void)
{
check_block_hotkey();
#if defined(HAVE_SCREENSHOTS) && !defined(_XBOX)
check_screenshot();
#endif
#if !defined(RARCH_PERFORMANCE_MODE)
check_mute();
check_volume();
#endif
check_turbo();
#ifndef RARCH_CONSOLE
check_grab_mouse_toggle();
#endif
#ifdef HAVE_OVERLAY
check_overlay();
#endif
#ifdef HAVE_NETPLAY
if (!g_extern.netplay)
{
#endif
#if !defined(RARCH_PERFORMANCE_MODE)
check_pause();
check_oneshot();
if (check_fullscreen() && g_extern.is_paused)
rarch_render_cached_frame();
if (g_extern.is_paused && !g_extern.is_oneshot)
return;
#endif
check_fast_forward_button();
check_stateslots();
#ifdef HAVE_BSV_MOVIE
check_savestates(g_extern.bsv.movie);
#else
check_savestates(false);
#endif
check_rewind();
check_slowmotion();
#ifdef HAVE_BSV_MOVIE
check_movie();
#endif
check_shader_dir();
check_cheats();
check_disk();
#ifdef HAVE_DYLIB
check_dsp_config();
#endif
check_reset();
#ifdef HAVE_NETPLAY
}
else
{
check_netplay_flip();
#if !defined(RARCH_PERFORMANCE_MODE)
check_fullscreen();
#endif
}
#endif
}
static void init_state(void)
{
g_extern.video_active = true;
g_extern.audio_active = true;
g_extern.game_type = RARCH_CART_NORMAL;
}
void rarch_main_clear_state(void)
{
memset(&g_settings, 0, sizeof(g_settings));
free(g_extern.system.environment);
free(g_extern.system.environment_split);
if (g_extern.log_file)
fclose(g_extern.log_file);
memset(&g_extern, 0, sizeof(g_extern));
init_state();
}
#ifdef HAVE_ZLIB
#define DEFAULT_EXT "ZIP|zip"
#else
#define DEFAULT_EXT ""
#endif
void rarch_init_system_info(void)
{
struct retro_system_info *info = &g_extern.system.info;
pretro_get_system_info(info);
if (!info->library_name)
info->library_name = "Unknown";
if (!info->library_version)
info->library_version = "v0";
#ifdef RARCH_CONSOLE
snprintf(g_extern.title_buf, sizeof(g_extern.title_buf), "%s %s",
info->library_name, info->library_version);
#else
snprintf(g_extern.title_buf, sizeof(g_extern.title_buf), "RetroArch : %s %s",
info->library_name, info->library_version);
#endif
strlcpy(g_extern.system.valid_extensions, info->valid_extensions ? info->valid_extensions : DEFAULT_EXT,
sizeof(g_extern.system.valid_extensions));
g_extern.system.block_extract = info->block_extract;
}
static void init_system_av_info(void)
{
pretro_get_system_av_info(&g_extern.system.av_info);
}
static void verify_api_version(void)
{
RARCH_LOG("Version of libretro API: %u\n", pretro_api_version());
RARCH_LOG("Compiled against API: %u\n", RETRO_API_VERSION);
if (pretro_api_version() != RETRO_API_VERSION)
RARCH_WARN("RetroArch is compiled against a different version of libretro than this libretro implementation.\n");
}
// Make sure we haven't compiled for something we cannot run.
// Ideally, code would get swapped out depending on CPU support, but this will do for now.
static void validate_cpu_features(void)
{
struct rarch_cpu_features cpu;
rarch_get_cpu_features(&cpu);
#define FAIL_CPU(simd_type) do { \
RARCH_ERR(simd_type " code is compiled in, but CPU does not support this feature. Cannot continue.\n"); \
rarch_fail(1, "validate_cpu_features()"); \
} while(0)
#ifdef __SSE__
if (!(cpu.simd & RARCH_SIMD_SSE))
FAIL_CPU("SSE");
#endif
#ifdef __SSE2__
if (!(cpu.simd & RARCH_SIMD_SSE2))
FAIL_CPU("SSE2");
#endif
#ifdef __AVX__
if (!(cpu.simd & RARCH_SIMD_AVX))
FAIL_CPU("AVX");
#endif
}
int rarch_main_init(int argc, char *argv[])
{
init_state();
int sjlj_ret;
if ((sjlj_ret = setjmp(g_extern.error_sjlj_context)) > 0)
{
RARCH_ERR("Fatal error received in: \"%s\"\n", g_extern.error_string);
return sjlj_ret;
}
g_extern.error_in_init = true;
parse_input(argc, argv);
if (g_extern.verbose)
{
RARCH_LOG_OUTPUT("=== Build =======================================");
print_compiler(stderr);
RARCH_LOG_OUTPUT("=================================================\n");
}
validate_cpu_features();
config_load();
init_libretro_sym();
rarch_init_system_info();
init_drivers_pre();
verify_api_version();
pretro_init();
g_extern.use_sram = true;
bool allow_cheats = true;
fill_pathnames();
if (!init_rom_file(g_extern.game_type))
goto error;
set_savestate_auto_index();
init_system_av_info();
if (!g_extern.sram_load_disable)
load_save_files();
else
RARCH_LOG("Skipping SRAM load.\n");
load_auto_state();
#ifdef HAVE_BSV_MOVIE
init_movie();
#endif
#ifdef HAVE_NETPLAY
init_netplay();
#endif
init_drivers();
#ifdef HAVE_COMMAND
init_command();
#endif
#ifdef HAVE_NETPLAY
if (!g_extern.netplay)
#endif
rarch_init_rewind();
init_libretro_cbs();
init_controllers();
#ifdef HAVE_FFMPEG
init_recording();
#endif
#ifdef HAVE_NETPLAY
g_extern.use_sram = !g_extern.sram_save_disable && !g_extern.netplay_is_client;
#else
g_extern.use_sram = !g_extern.sram_save_disable;
#endif
if (!g_extern.use_sram)
RARCH_LOG("SRAM will not be saved.\n");
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
if (g_extern.use_sram)
init_autosave();
#endif
#ifdef HAVE_NETPLAY
allow_cheats &= !g_extern.netplay;
#endif
#ifdef HAVE_BSV_MOVIE
allow_cheats &= !g_extern.bsv.movie;
#endif
if (allow_cheats)
init_cheats();
g_extern.error_in_init = false;
g_extern.main_is_init = true;
return 0;
error:
pretro_unload_game();
pretro_deinit();
uninit_drivers();
uninit_libretro_sym();
g_extern.main_is_init = false;
return 1;
}
static inline bool check_enter_rgui(void)
{
static bool old_rmenu_toggle = true;
bool rmenu_toggle = input_key_pressed_func(RARCH_MENU_TOGGLE);
if (rmenu_toggle && !old_rmenu_toggle)
{
if (input_key_pressed_func(RARCH_MENU_QUICKMENU_TOGGLE))
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU_INGAME);
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
g_extern.delay_timer[0] = g_extern.frame_count + 30; // FIXME: Purge. Should do something similar in RGUI as well.
old_rmenu_toggle = true;
return true;
}
else
{
old_rmenu_toggle = rmenu_toggle;
return false;
}
}
bool rarch_main_iterate(void)
{
#ifdef HAVE_DYLIB
// DSP plugin GUI events.
if (g_extern.audio_data.dsp_handle && g_extern.audio_data.dsp_plugin->events)
g_extern.audio_data.dsp_plugin->events(g_extern.audio_data.dsp_handle);
#endif
// SHUTDOWN on consoles should exit RetroArch completely.
if (g_extern.system.shutdown)
{
g_extern.lifecycle_mode_state |= (1ULL << MODE_EXIT);
return false;
}
// Time to drop?
if (input_key_pressed_func(RARCH_QUIT_KEY) || !video_alive_func())
{
g_extern.lifecycle_mode_state |= (1ULL << MODE_EXIT);
return false;
}
if (check_enter_rgui())
return false; // Enter menu, don't exit.
#ifdef HAVE_COMMAND
if (driver.command)
rarch_cmd_pre_frame(driver.command);
#endif
// Checks for stuff like fullscreen, save states, etc.
do_state_checks();
// Run libretro for one frame.
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
netplay_pre_frame(g_extern.netplay);
#endif
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie)
bsv_movie_set_frame_start(g_extern.bsv.movie);
#endif
pretro_run();
g_extern.frame_count++;
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie)
bsv_movie_set_frame_end(g_extern.bsv.movie);
#endif
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
netplay_post_frame(g_extern.netplay);
#endif
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
unlock_autosave();
#endif
#ifdef HAVE_RMENU
if (input_key_pressed_func(RARCH_FRAMEADVANCE))
{
g_extern.lifecycle_state &= ~(1ULL << RARCH_FRAMEADVANCE);
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU_INGAME);
return false;
}
#endif
return true;
}
void rarch_main_deinit(void)
{
#ifdef HAVE_NETPLAY
deinit_netplay();
#endif
#ifdef HAVE_COMMAND
deinit_command();
#endif
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
if (g_extern.use_sram)
deinit_autosave();
#endif
#ifdef HAVE_FFMPEG
deinit_recording();
#endif
if (g_extern.use_sram)
save_files();
#ifdef HAVE_NETPLAY
if (!g_extern.netplay)
#endif
rarch_deinit_rewind();
deinit_cheats();
#ifdef HAVE_BSV_MOVIE
deinit_movie();
#endif
save_auto_state();
pretro_unload_game();
pretro_deinit();
uninit_drivers();
uninit_libretro_sym();
if (g_extern.rom_file_temporary)
{
RARCH_LOG("Removing tempoary ROM file: %s.\n", g_extern.last_rom);
if (remove(g_extern.last_rom) < 0)
RARCH_ERR("Failed to remove temporary file: %s.\n", g_extern.last_rom);
g_extern.rom_file_temporary = false;
}
g_extern.main_is_init = false;
}
#define MAX_ARGS 32
int rarch_main_init_wrap(const struct rarch_main_wrap *args)
{
if (g_extern.main_is_init)
rarch_main_deinit();
int argc = 0;
char *argv[MAX_ARGS] = {NULL};
char *argv_copy[MAX_ARGS];
argv[argc++] = strdup("retroarch");
if (args->rom_path)
argv[argc++] = strdup(args->rom_path);
if (args->sram_path)
{
argv[argc++] = strdup("-s");
argv[argc++] = strdup(args->sram_path);
}
if (args->state_path)
{
argv[argc++] = strdup("-S");
argv[argc++] = strdup(args->state_path);
}
if (args->config_path)
{
argv[argc++] = strdup("-c");
argv[argc++] = strdup(args->config_path);
}
#ifdef HAVE_DYNAMIC
if (args->libretro_path)
{
argv[argc++] = strdup("-L");
argv[argc++] = strdup(args->libretro_path);
}
#endif
if (args->verbose)
argv[argc++] = strdup("-v");
#ifdef HAVE_FILE_LOGGER
for (int i = 0; i < argc; i++)
RARCH_LOG("arg #%d: %s\n", i, argv[i]);
#endif
// The pointers themselves are not const, and can be messed around with by getopt_long().
memcpy(argv_copy, argv, sizeof(argv));
int ret = rarch_main_init(argc, argv);
for (unsigned i = 0; i < ARRAY_SIZE(argv_copy); i++)
free(argv_copy[i]);
return ret;
}
bool rarch_main_idle_iterate(void)
{
#ifdef HAVE_COMMAND
if (driver.command)
rarch_cmd_pre_frame(driver.command);
#endif
if (input_key_pressed_func(RARCH_QUIT_KEY) || !video_alive_func())
return false;
do_state_checks();
rarch_input_poll();
rarch_sleep(10);
return true;
}
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