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RetroArch/retroarch.c

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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"
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "msvc/msvc_compat.h"
#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);
static bool old_button_state = false;
static bool old_hold_button_state = false;
if (new_button_state && !old_button_state)
{
driver.nonblock_state = !driver.nonblock_state;
driver_set_nonblock_state(driver.nonblock_state);
}
else if (old_hold_button_state != new_hold_button_state)
{
driver.nonblock_state = new_hold_button_state;
driver_set_nonblock_state(driver.nonblock_state);
}
old_button_state = new_button_state;
old_hold_button_state = new_hold_button_state;
}
#if defined(HAVE_SCREENSHOTS) && !defined(_XBOX1)
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;
}
const char *screenshot_dir = g_settings.screenshot_directory;
char screenshot_path[PATH_MAX];
if (!*g_settings.screenshot_directory)
{
fill_pathname_basedir(screenshot_path, g_extern.basename, sizeof(screenshot_path));
screenshot_dir = screenshot_path;
}
// Data read from viewport is in bottom-up order, suitable for BMP.
if (!screenshot_dump(screenshot_dir,
buffer,
vp.width, vp.height, vp.width * 3, true))
{
free(buffer);
return false;
}
free(buffer);
return true;
}
static bool take_screenshot_raw(void)
{
const void *data = 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;
const char *screenshot_dir = g_settings.screenshot_directory;
char screenshot_path[PATH_MAX];
if (!*g_settings.screenshot_directory)
{
fill_pathname_basedir(screenshot_path, g_extern.basename, sizeof(screenshot_path));
screenshot_dir = screenshot_path;
}
// Negative pitch is needed as screenshot takes bottom-up,
// but we use top-down.
return screenshot_dump(screenshot_dir,
(const uint8_t*)data + (height - 1) * pitch,
width, height, -pitch, false);
}
void rarch_take_screenshot(void)
{
if ((!*g_settings.screenshot_directory) && (!*g_extern.basename)) // No way to infer screenshot directory.
return;
bool ret = false;
bool viewport_read = (g_settings.video.gpu_screenshot ||
g_extern.system.hw_render_callback.context_type != RETRO_HW_CONTEXT_NONE) &&
driver.video->read_viewport &&
driver.video->viewport_info;
// Clear out message queue to avoid OSD fonts to appear on screenshot.
msg_queue_clear(g_extern.msg_queue);
if (viewport_read)
{
// Avoid taking screenshot of GUI overlays.
if (driver.video_poke && driver.video_poke->set_texture_enable)
driver.video_poke->set_texture_enable(driver.video_data, false, false);
if (driver.video)
rarch_render_cached_frame();
}
if (viewport_read)
ret = take_screenshot_viewport();
else if (g_extern.frame_cache.data && (g_extern.frame_cache.data != RETRO_HW_FRAME_BUFFER_VALID))
ret = take_screenshot_raw();
else
RARCH_ERR("Cannot take screenshot. GPU rendering is used and read_viewport is not supported.\n");
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.";
}
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;
g_extern.frame_cache.data = data;
g_extern.frame_cache.width = width;
g_extern.frame_cache.height = height;
g_extern.frame_cache.pitch = pitch;
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555 && data && data != RETRO_HW_FRAME_BUFFER_VALID)
{
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
}
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
const void *frame = g_extern.frame_cache.data;
if (frame == RETRO_HW_FRAME_BUFFER_VALID)
frame = NULL; // Dupe
// 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(frame,
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 i, samples;
samples = frames << 1;
for (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)
{
memset(&driver.overlay_state, 0, sizeof(driver.overlay_state));
unsigned device = input_overlay_full_screen(driver.overlay) ?
RARCH_DEVICE_POINTER_SCREEN : RETRO_DEVICE_POINTER;
bool polled = false;
unsigned i, j;
for (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);
input_overlay_state_t polled_data;
input_overlay_poll(driver.overlay, &polled_data, x, y);
driver.overlay_state.buttons |= polled_data.buttons;
for (j = 0; j < 4; j ++)
if (driver.overlay_state.analog[j] == 0)
driver.overlay_state.analog[j] = polled_data.analog[j];
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.buttons & (UINT64_C(1) << id) ? 1 : 0;
else if (device == RETRO_DEVICE_ANALOG && port == 0)
{
unsigned base = (index == RETRO_DEVICE_INDEX_ANALOG_RIGHT) ? 2 : 0;
base += (id == RETRO_DEVICE_ID_ANALOG_Y) ? 1 : 0;
res += driver.overlay_state.analog[base];
}
#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.\n\t\tIf a default config is not found, RetroArch will attempt to create one."
#else
#ifndef GLOBAL_CONFIG_DIR
#define GLOBAL_CONFIG_DIR "/etc"
#endif
#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.\n\t\tIf a default config is not found, RetroArch will attempt to create one based on the skeleton config (" GLOBAL_CONFIG_DIR "/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("===================================================================");
/* To get around error 'too many decimal points in number - expected ')' before numeric constant */
puts("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " --");
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [rom file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--menu: Do not require ROM or libretro core to be loaded, starts directly in menu.");
puts("\t\tIf no arguments are passed to RetroArch, it is equivalent to using --menu as only argument.");
puts("\t--features: Prints available features compiled into RetroArch.");
puts("\t-s/--save: Path for save file (*.srm).");
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));
}
static void parse_input(int argc, char *argv[])
{
g_extern.libretro_no_rom = false;
g_extern.libretro_dummy = false;
g_extern.has_set_save_path = false;
g_extern.has_set_state_path = false;
if (argc < 2)
{
g_extern.libretro_dummy = true;
return;
}
// Make sure we can call parse_input several times ...
optind = 0;
int val = 0;
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "menu", 0, &val, 'M' },
{ "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;
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_settings.input.libretro_device[1] = RETRO_DEVICE_JOYPAD_MULTITAP;
g_extern.has_set_libretro_device[1] = true;
break;
case 'j':
g_settings.input.libretro_device[1] = RETRO_DEVICE_LIGHTGUN_JUSTIFIER;
g_extern.has_set_libretro_device[1] = true;
break;
case 'J':
g_settings.input.libretro_device[1] = RETRO_DEVICE_LIGHTGUN_JUSTIFIERS;
g_extern.has_set_libretro_device[1] = 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_settings.input.libretro_device[port - 1] = RETRO_DEVICE_ANALOG;
g_extern.has_set_libretro_device[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_settings.input.libretro_device[port - 1] = RETRO_DEVICE_MOUSE;
g_extern.has_set_libretro_device[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_settings.input.libretro_device[port - 1] = RETRO_DEVICE_NONE;
g_extern.has_set_libretro_device[port - 1] = true;
break;
case 'p':
g_settings.input.libretro_device[1] = RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE;
g_extern.has_set_libretro_device[1] = 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)
{
case 'M':
g_extern.libretro_dummy = true;
break;
#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 (g_extern.libretro_dummy)
{
if (optind < argc)
{
RARCH_ERR("--menu was used, but ROM file was passed as well.\n");
rarch_fail(1, "parse_input()");
}
}
else if (optind < argc)
set_paths(argv[optind]);
else
g_extern.libretro_no_rom = true;
// Copy SRM/state dirs used, so they can be reused on reentrancy.
if (g_extern.has_set_save_path && path_is_directory(g_extern.savefile_name_srm))
strlcpy(g_extern.savefile_dir, g_extern.savefile_name_srm, sizeof(g_extern.savefile_dir));
if (g_extern.has_set_state_path && path_is_directory(g_extern.savestate_name))
strlcpy(g_extern.savestate_dir, g_extern.savestate_name, sizeof(g_extern.savestate_dir));
}
static void init_controllers(void)
{
unsigned i;
for (i = 0; i < MAX_PLAYERS; i++)
{
unsigned device = g_settings.input.libretro_device[i];
// This is default, don't bother.
if (device == RETRO_DEVICE_JOYPAD)
continue;
pretro_set_controller_port_device(i, device);
switch (device)
{
case RETRO_DEVICE_NONE:
RARCH_LOG("Disconnecting device from port %u.\n", i + 1);
break;
case RETRO_DEVICE_ANALOG:
RARCH_LOG("Connecting dualanalog to port %u.\n", i + 1);
break;
case RETRO_DEVICE_MOUSE:
RARCH_LOG("Connecting mouse to port %u.\n", i + 1);
break;
case RETRO_DEVICE_LIGHTGUN_JUSTIFIER:
RARCH_LOG("Connecting Justifier to port %u.\n", i + 1);
break;
case RETRO_DEVICE_LIGHTGUN_JUSTIFIERS:
RARCH_LOG("Connecting Justifiers to port %u.\n", i + 1);
break;
case RETRO_DEVICE_JOYPAD_MULTITAP:
RARCH_LOG("Connecting Multitap to port %u.\n", i + 1);
break;
case RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE:
RARCH_LOG("Connecting scope to port %u.\n", i + 1);
break;
default:
break;
}
}
}
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;
if (!g_settings.video.gpu_record && g_extern.system.hw_render_callback.context_type)
{
RARCH_WARN("Libretro core is hardware rendered. Must use post-shaded FFmpeg recording as well.\n");
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;
if (g_extern.system.audio_callback.callback)
{
RARCH_ERR("Implementation uses threaded audio. Cannot use rewind.\n");
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)
void rarch_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)
{
unsigned i;
for (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");
}
}
}
}
void rarch_deinit_autosave(void)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(g_extern.autosave); i++)
{
if (g_extern.autosave[i])
autosave_free(g_extern.autosave[i]);
g_extern.autosave[i] = NULL;
}
}
#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;
size_t i;
for (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));
}
}
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);
size_t size = pretro_serialize_size();
char msg[512];
if (size)
{
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);
}
else
strlcpy(msg, "Core does not support save states.", sizeof(msg));
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
RARCH_LOG("%s\n", msg);
}
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);
size_t size = pretro_serialize_size();
char msg[512];
if (size)
{
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);
}
else
strlcpy(msg, "Core does not support save states.", sizeof(msg));
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
RARCH_LOG("%s\n", msg);
}
// 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;
}
}
void rarch_set_fullscreen(bool fullscreen)
{
g_settings.video.fullscreen = fullscreen;
driver.video_cache_context = g_extern.system.hw_render_callback.cache_context;
driver.video_cache_context_ack = false;
uninit_drivers();
init_drivers();
driver.video_cache_context = false;
// Poll input to avoid possibly stale data to corrupt things.
if (driver.input)
input_poll_func();
}
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)
{
settings_set(1ULL << S_VIDEO_FULLSCREEN_TOGGLE);
rarch_set_fullscreen(g_settings.video.fullscreen);
}
was_pressed = pressed;
return toggle;
}
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)
{
unsigned i;
// Push audio ready to be played.
g_extern.audio_data.rewind_ptr = g_extern.audio_data.rewind_size;
for (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
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 (!g_extern.audio_data.mute && !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 && !g_extern.audio_data.mute && !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;
}
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)
{
unsigned i;
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 (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_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;
}
void rarch_disk_control_append_image(const char *path)
{
const struct retro_disk_control_callback *control = &g_extern.system.disk_control;
rarch_disk_control_set_eject(true, false);
control->add_image_index();
unsigned new_index = control->get_num_images();
if (!new_index)
return;
new_index--;
struct retro_game_info info = {0};
info.path = path;
control->replace_image_index(new_index, &info);
rarch_disk_control_set_index(new_index);
char msg[512];
snprintf(msg, sizeof(msg), "Appended disk: %s", path);
RARCH_LOG("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 0, 180);
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
rarch_deinit_autosave();
#endif
// Update paths for our new image.
// If we actually use append_image,
// we assume that we started out in a single disk case,
// and that this way of doing it makes the most sense.
set_paths(path);
fill_pathnames();
#if defined(HAVE_THREADS) && !defined(RARCH_CONSOLE)
rarch_init_autosave();
#endif
rarch_disk_control_set_eject(false, false);
}
void rarch_disk_control_set_eject(bool new_state, bool log)
{
const struct retro_disk_control_callback *control = &g_extern.system.disk_control;
if (!control->get_num_images)
return;
bool error = false;
char msg[256];
*msg = '\0';
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");
}
if (*msg)
{
if (error)
RARCH_ERR("%s\n", msg);
else
RARCH_LOG("%s\n", msg);
// Only noise in RGUI.
if (log)
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
}
}
void rarch_disk_control_set_index(unsigned next_index)
{
const struct retro_disk_control_callback *control = &g_extern.system.disk_control;
if (!control->get_num_images)
return;
bool error = false;
char msg[256];
*msg = '\0';
unsigned num_disks = control->get_num_images();
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;
}
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);
}
}
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);
if (pressed_eject && !old_pressed_eject)
{
bool new_state = !control->get_eject_state();
rarch_disk_control_set_eject(new_state, true);
}
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));
rarch_disk_control_set_index(next_index);
}
else
RARCH_ERR("Got invalid disk index from libretro.\n");
}
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)
rarch_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
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);
if (driver.audio_data)
{
if (g_extern.audio_data.mute)
audio_stop_func();
else if (!audio_start_func())
{
RARCH_ERR("Failed to unmute audio.\n");
g_extern.audio_active = false;
}
}
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);
}
#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
void rarch_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
check_mute();
check_volume();
check_turbo();
#ifndef RARCH_CONSOLE
check_grab_mouse_toggle();
#endif
#ifdef HAVE_OVERLAY
rarch_check_overlay();
#endif
#ifdef HAVE_NETPLAY
if (!g_extern.netplay)
{
#endif
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;
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();
check_fullscreen();
}
#endif
}
static void init_state(void)
{
g_extern.video_active = true;
g_extern.audio_active = true;
g_extern.game_type = RARCH_CART_NORMAL;
}
static void init_state_first(void)
{
unsigned i;
init_state();
for (i = 0; i < MAX_PLAYERS; i++)
g_settings.input.libretro_device[i] = RETRO_DEVICE_JOYPAD;
}
void rarch_main_clear_state(void)
{
memset(&g_settings, 0, sizeof(g_settings));
if (g_extern.log_file)
fclose(g_extern.log_file);
memset(&g_extern, 0, sizeof(g_extern));
init_state_first();
}
#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);
g_extern.frame_limit.last_frame_time = rarch_get_time_usec();
g_extern.frame_limit.minimum_frame_time = (rarch_time_t)roundf(1000000.0f / (g_extern.system.av_info.timing.fps * g_settings.fastforward_ratio));
}
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(g_extern.libretro_dummy);
rarch_init_system_info();
init_drivers_pre();
verify_api_version();
pretro_init();
g_extern.use_sram = !g_extern.libretro_dummy && !g_extern.libretro_no_rom;
bool allow_cheats = true;
if (g_extern.libretro_no_rom && !g_extern.libretro_dummy)
{
if (!init_rom_file(g_extern.game_type))
goto error;
}
else if (!g_extern.libretro_dummy)
{
fill_pathnames();
if (!init_rom_file(g_extern.game_type))
goto error;
set_savestate_auto_index();
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_libretro_cbs();
init_system_av_info();
init_drivers();
#ifdef HAVE_COMMAND
init_command();
#endif
#ifdef HAVE_NETPLAY
if (!g_extern.netplay)
#endif
rarch_init_rewind();
init_controllers();
#ifdef HAVE_FFMPEG
init_recording();
#endif
#ifdef HAVE_NETPLAY
g_extern.use_sram = g_extern.use_sram && !g_extern.sram_save_disable && !g_extern.netplay_is_client;
#else
g_extern.use_sram = 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)
rarch_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:
uninit_drivers();
pretro_unload_game();
pretro_deinit();
uninit_libretro_sym();
g_extern.main_is_init = false;
return 1;
}
static inline bool check_enter_rgui(void)
{
static bool old_rmenu_toggle = true;
// Always go into menu if dummy core is loaded.
bool rmenu_toggle = input_key_pressed_func(RARCH_MENU_TOGGLE) || (g_extern.libretro_dummy && !old_rmenu_toggle);
if (rmenu_toggle && !old_rmenu_toggle)
{
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
old_rmenu_toggle = true;
g_extern.system.frame_time_last = 0;
return true;
}
else
{
old_rmenu_toggle = rmenu_toggle;
return false;
}
}
static inline void update_frame_time(void)
{
if (!g_extern.system.frame_time.callback)
return;
rarch_time_t time = rarch_get_time_usec();
rarch_time_t delta = 0;
bool is_locked_fps = g_extern.is_paused || driver.nonblock_state;
#ifdef HAVE_FFMPEG
is_locked_fps |= g_extern.recording;
#endif
if (!g_extern.system.frame_time_last || is_locked_fps)
delta = g_extern.system.frame_time.reference;
else
delta = time - g_extern.system.frame_time_last;
if (!is_locked_fps && g_extern.is_slowmotion)
delta /= g_settings.slowmotion_ratio;
g_extern.system.frame_time_last = is_locked_fps ? 0 : time;
g_extern.system.frame_time.callback(delta);
}
static inline void limit_frame_time(void)
{
if (g_settings.fastforward_ratio < 0.0f)
return;
rarch_time_t current = rarch_get_time_usec();
rarch_time_t target = g_extern.frame_limit.last_frame_time + g_extern.frame_limit.minimum_frame_time;
rarch_time_t to_sleep_ms = (target - current) / 1000;
if (to_sleep_ms > 0)
{
rarch_sleep((unsigned int)to_sleep_ms);
g_extern.frame_limit.last_frame_time += g_extern.frame_limit.minimum_frame_time; // Combat jitter a bit.
}
else
g_extern.frame_limit.last_frame_time = rarch_get_time_usec();
}
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)
return false;
// Time to drop?
if (input_key_pressed_func(RARCH_QUIT_KEY) || !video_alive_func())
return false;
if (check_enter_rgui())
return false; // Enter menu, don't exit.
if (g_extern.exec)
{
g_extern.exec = false;
return false;
}
#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
update_frame_time();
pretro_run();
limit_frame_time();
#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
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)
rarch_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
if (!g_extern.libretro_dummy && !g_extern.libretro_no_rom)
save_auto_state();
uninit_drivers();
pretro_unload_game();
pretro_deinit();
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)
{
unsigned i;
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->no_rom)
{
if (args->rom_path)
{
RARCH_LOG("Using ROM: %s.\n", args->rom_path);
argv[argc++] = strdup(args->rom_path);
}
else
{
RARCH_LOG("No ROM, starting dummy core.\n");
argv[argc++] = strdup("--menu");
}
}
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 (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 (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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