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RetroArch/retroarch.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
* Copyright (C) 2012-2014 - Michael Lelli
*
* 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"
#include "input/keyboard_line.h"
#include "input/input_common.h"
#include "git_version.h"
#ifdef HAVE_MENU
#include "frontend/menu/menu_common.h"
#endif
#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;
}
static bool take_screenshot_viewport(void)
{
char screenshot_path[PATH_MAX];
const char *screenshot_dir;
uint8_t *buffer = NULL;
bool retval = false;
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
return false;
if (!(buffer = (uint8_t*)malloc(vp.width * vp.height * 3)))
return false;
if (!video_read_viewport_func(buffer))
goto done;
screenshot_dir = g_settings.screenshot_directory;
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))
goto done;
retval = true;
done:
if (buffer)
free(buffer);
return retval;
}
static bool take_screenshot_raw(void)
{
char screenshot_path[PATH_MAX];
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;
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);
}
static void take_screenshot(void)
{
bool viewport_read;
bool ret = false;
const char *msg = NULL;
if ((!*g_settings.screenshot_directory) && (!*g_extern.basename)) // No way to infer screenshot directory.
return;
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)
{
#ifdef HAVE_MENU
// 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);
#endif
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");
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_push(g_extern.msg_queue, msg, 1, g_extern.is_paused ? 1 : 180);
if (g_extern.is_paused)
rarch_render_cached_frame();
}
static void readjust_audio_input_rate(void)
{
int half_size, delta_mid;
unsigned write_index;
double direction, adjust;
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));
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;
half_size = g_extern.audio_data.driver_buffer_size / 2;
delta_mid = avail - half_size;
direction = (double)delta_mid / half_size;
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_RECORD
static void init_recording(void)
{
struct ffemu_params params = {0};
if (!g_extern.recording)
return;
if (g_extern.libretro_dummy)
{
RARCH_WARN("Using libretro dummy core. Skipping recording.\n");
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;
}
RARCH_LOG("Custom timing given: FPS: %.4f, Sample rate: %.4f\n", (float)g_extern.system.av_info.timing.fps, (float)g_extern.system.av_info.timing.sample_rate);
const struct retro_system_av_info *info = (const struct retro_system_av_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 = g_extern.system.av_info.timing.fps;
params.samplerate = g_extern.system.av_info.timing.sample_rate;
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");
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");
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.filter)
{
unsigned max_width = 0;
unsigned max_height = 0;
params.pix_fmt = g_extern.filter.out_rgb32 ? FFEMU_PIX_ARGB8888 : FFEMU_PIX_RGB565;
rarch_softfilter_get_max_output_size(g_extern.filter.filter, &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);
if (!ffemu_init_first(&g_extern.rec_driver, &g_extern.rec, &params))
{
RARCH_ERR("Failed to start FFmpeg recording.\n");
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
}
}
static void deinit_recording(void)
{
if (!g_extern.rec || !g_extern.rec_driver)
return;
g_extern.rec_driver->finalize(g_extern.rec);
g_extern.rec_driver->free(g_extern.rec);
g_extern.rec = NULL;
g_extern.rec_driver = NULL;
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
}
static void recording_dump_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
struct ffemu_video_data ffemu_data = {0};
ffemu_data.pitch = pitch;
ffemu_data.width = width;
ffemu_data.height = height;
ffemu_data.data = data;
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 kinda have a problem 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();
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;
}
if (!g_extern.record_gpu_buffer)
ffemu_data.is_dupe = !data;
g_extern.rec_driver->push_video(g_extern.rec, &ffemu_data);
}
#endif
static void video_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
const char *msg;
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_RECORD
if (g_extern.rec && (!g_extern.filter.filter || !g_settings.video.post_filter_record || !data || g_extern.record_gpu_buffer))
recording_dump_frame(data, width, height, pitch);
#endif
msg = msg_queue_pull(g_extern.msg_queue);
driver.current_msg = msg;
if (g_extern.filter.filter && data)
{
unsigned owidth, oheight, opitch = 0;
rarch_softfilter_get_output_size(g_extern.filter.filter,
&owidth, &oheight, width, height);
opitch = owidth * g_extern.filter.out_bpp;
RARCH_PERFORMANCE_INIT(softfilter_process);
RARCH_PERFORMANCE_START(softfilter_process);
rarch_softfilter_process(g_extern.filter.filter,
g_extern.filter.buffer, opitch,
data, width, height, pitch);
RARCH_PERFORMANCE_STOP(softfilter_process);
#ifdef HAVE_RECORD
if (g_extern.rec && g_settings.video.post_filter_record)
recording_dump_frame(g_extern.filter.buffer, owidth, oheight, opitch);
#endif
data = g_extern.filter.buffer;
width = owidth;
height = oheight;
pitch = opitch;
}
if (!video_frame_func(data, width, height, pitch, msg))
g_extern.video_active = false;
}
void rarch_render_cached_frame(void)
{
const void *frame = g_extern.frame_cache.data;
#ifdef HAVE_RECORD
// Cannot allow recording when pushing duped frames.
void *recording = g_extern.rec;
g_extern.rec = NULL;
#endif
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_RECORD
g_extern.rec = recording;
#endif
}
static bool audio_flush(const int16_t *data, size_t samples)
{
const void *output_data = NULL;
unsigned output_frames = 0;
size_t output_size = sizeof(float);
struct resampler_data src_data = {0};
struct rarch_dsp_data dsp_data = {0};
#ifdef HAVE_RECORD
if (g_extern.rec)
{
struct ffemu_audio_data ffemu_data = {0};
ffemu_data.data = data;
ffemu_data.frames = samples / 2;
g_extern.rec_driver->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;
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);
dsp_data.input = g_extern.audio_data.data;
dsp_data.input_frames = samples >> 1;
if (g_extern.audio_data.dsp)
{
RARCH_PERFORMANCE_INIT(audio_dsp);
RARCH_PERFORMANCE_START(audio_dsp);
rarch_dsp_filter_process(g_extern.audio_data.dsp, &dsp_data);
RARCH_PERFORMANCE_STOP(audio_dsp);
}
src_data.data_in = dsp_data.output ? dsp_data.output : g_extern.audio_data.data;
src_data.input_frames = dsp_data.output ? dsp_data.output_frames : (samples >> 1);
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)
{
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);
output_data = g_extern.audio_data.conv_outsamples;
output_size = sizeof(int16_t);
}
if (audio_write_func(output_data, output_frames * output_size * 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;
size_t 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;
}
static 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)
{
unsigned i, j, device;
uint16_t key_mod = 0;
bool polled = false;
input_overlay_state_t old_key_state;
memcpy(old_key_state.keys, driver.overlay_state.keys, sizeof(driver.overlay_state.keys));
memset(&driver.overlay_state, 0, sizeof(driver.overlay_state));
device = input_overlay_full_screen(driver.overlay) ?
RARCH_DEVICE_POINTER_SCREEN : RETRO_DEVICE_POINTER;
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 < ARRAY_SIZE(driver.overlay_state.keys); j++)
driver.overlay_state.keys[j] |= polled_data.keys[j];
// Fingers pressed later take prio and matched up with overlay poll priorities.
for (j = 0; j < 4; j++)
if (polled_data.analog[j])
driver.overlay_state.analog[j] = polled_data.analog[j];
polled = true;
}
key_mod |= (OVERLAY_GET_KEY(&driver.overlay_state, RETROK_LSHIFT) ||
OVERLAY_GET_KEY(&driver.overlay_state, RETROK_RSHIFT)) ? RETROKMOD_SHIFT : 0;
key_mod |= (OVERLAY_GET_KEY(&driver.overlay_state, RETROK_LCTRL) ||
OVERLAY_GET_KEY(&driver.overlay_state, RETROK_RCTRL)) ? RETROKMOD_CTRL : 0;
key_mod |= (OVERLAY_GET_KEY(&driver.overlay_state, RETROK_LALT) ||
OVERLAY_GET_KEY(&driver.overlay_state, RETROK_RALT)) ? RETROKMOD_ALT : 0;
key_mod |= (OVERLAY_GET_KEY(&driver.overlay_state, RETROK_LMETA) ||
OVERLAY_GET_KEY(&driver.overlay_state, RETROK_RMETA)) ? RETROKMOD_META : 0;
// CAPSLOCK SCROLLOCK NUMLOCK
for (i = 0; i < ARRAY_SIZE(driver.overlay_state.keys); i++)
{
if (driver.overlay_state.keys[i] != old_key_state.keys[i])
{
uint32_t orig_bits = old_key_state.keys[i];
uint32_t new_bits = driver.overlay_state.keys[i];
for (j = 0; j < 32; j++)
if ((orig_bits & (1 << j)) != (new_bits & (1 << j)))
input_keyboard_event(new_bits & (1 << j), i * 32 + j, 0, key_mod);
}
}
// Map "analog" buttons to analog axes like regular input drivers do.
for (j = 0; j < 4; j++)
{
if (!driver.overlay_state.analog[j])
{
unsigned bind_plus = RARCH_ANALOG_LEFT_X_PLUS + 2 * j;
unsigned bind_minus = bind_plus + 1;
driver.overlay_state.analog[j] += (driver.overlay_state.buttons & (1ULL << bind_plus)) ? 0x7fff : 0;
driver.overlay_state.analog[j] -= (driver.overlay_state.buttons & (1ULL << bind_minus)) ? 0x7fff : 0;
}
}
// Check for analog_dpad_mode. Map analogs to d-pad buttons when configured.
switch (g_settings.input.analog_dpad_mode[0])
{
case ANALOG_DPAD_LSTICK:
case ANALOG_DPAD_RSTICK:
{
unsigned analog_base = g_settings.input.analog_dpad_mode[0] ==
ANALOG_DPAD_LSTICK ? 0 : 2;
float analog_x = (float)driver.overlay_state.analog[analog_base + 0] / 0x7fff;
float analog_y = (float)driver.overlay_state.analog[analog_base + 1] / 0x7fff;
driver.overlay_state.buttons |= (analog_x <= -g_settings.input.axis_threshold) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
driver.overlay_state.buttons |= (analog_x >= g_settings.input.axis_threshold) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
driver.overlay_state.buttons |= (analog_y <= -g_settings.input.axis_threshold) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
driver.overlay_state.buttons |= (analog_y >= g_settings.input.axis_threshold) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
break;
}
default:
break;
}
if (polled)
input_overlay_post_poll(driver.overlay);
else
input_overlay_poll_clear(driver.overlay);
}
#endif
void rarch_input_poll(void)
{
input_poll_func();
#ifdef HAVE_OVERLAY
if (driver.overlay)
input_poll_overlay();
#endif
#ifdef HAVE_COMMAND
if (driver.command)
rarch_cmd_poll(driver.command);
#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);
return res;
}
static int16_t input_state(unsigned port, unsigned device, unsigned index, unsigned id)
{
int16_t res = 0;
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;
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],
};
if (!driver.block_libretro_input && (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_KEYBOARD && port == 0 && id < RETROK_LAST)
res |= OVERLAY_GET_KEY(&driver.overlay_state, 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;
if (driver.overlay_state.analog[base])
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(x11, "X11", "X11 drivers");
_PSUPP(wayland, "wayland", "Wayland drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(kms, "KMS", "KMS/EGL context support");
_PSUPP(udev, "UDEV", "UDEV/EVDEV input driver 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",
__clang_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("===================================================================");
#ifdef HAVE_GIT_VERSION
printf("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " -- %s --\n", rarch_git_version);
#else
puts("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " --");
#endif
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [content file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--menu: Do not require content 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--subsystem: Use a subsystem of the libretro core. Multiple content files are loaded as multiple arguments.");
puts("\t\tIf a content file is skipped, use a blank (\"\") command line argument");
puts("\t\tContent must be loaded in an order which depends on the particular subsystem used.");
puts("\t\tSee verbose log output to learn how a particular subsystem wants content to be loaded.");
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-d/--device: Connect a generic device into port of the device (1 to %d).\n", MAX_PLAYERS);
puts("\t\tFormat is port:ID, where ID is an unsigned number corresponding to the particular device.\n");
#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.");
#endif
puts("\t--nick: Picks a username (for use with netplay). Not mandatory.");
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
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_RECORD
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 content.");
puts("\t--bps: Specifies path for BPS patch that will be applied to content.");
puts("\t--ips: Specifies path for IPS patch that will be applied to content.");
puts("\t--no-patch: Disables all forms of content patching.");
puts("\t-D/--detach: Detach RetroArch from the running console. Not relevant for all platforms.\n");
}
static void set_basename(const char *path)
{
char *dst;
strlcpy(g_extern.fullpath, path, sizeof(g_extern.fullpath));
strlcpy(g_extern.basename, path, sizeof(g_extern.basename));
if ((dst = strrchr(g_extern.basename, '.')))
*dst = '\0';
}
static void set_special_paths(char **argv, unsigned num_content)
{
unsigned i;
union string_list_elem_attr attr;
// First content file is the significant one.
set_basename(argv[0]);
g_extern.subsystem_fullpaths = string_list_new();
rarch_assert(g_extern.subsystem_fullpaths);
attr.i = 0;
for (i = 0; i < num_content; i++)
string_list_append(g_extern.subsystem_fullpaths, argv[i], attr);
// We defer SRAM path updates until we can resolve it.
// It is more complicated for special content types.
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.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, argv[0], sizeof(g_settings.system_directory));
}
static void set_paths(const char *path)
{
set_basename(path);
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name, g_extern.basename, ".srm", sizeof(g_extern.savefile_name));
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))
{
fill_pathname_dir(g_extern.savefile_name, g_extern.basename, ".srm", sizeof(g_extern.savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n", g_extern.savefile_name);
}
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_content = false;
g_extern.libretro_dummy = false;
g_extern.has_set_save_path = false;
g_extern.has_set_state_path = false;
g_extern.has_set_libretro = false;
g_extern.has_set_libretro_directory = false;
g_extern.has_set_verbosity = false;
g_extern.has_set_netplay_mode = false;
g_extern.has_set_username = false;
g_extern.has_set_netplay_ip_address = false;
g_extern.has_set_netplay_delay_frames = false;
g_extern.has_set_netplay_ip_port = false;
g_extern.ups_pref = false;
g_extern.bps_pref = false;
g_extern.ips_pref = false;
*g_extern.ups_name = '\0';
*g_extern.bps_name = '\0';
*g_extern.ips_name = '\0';
*g_extern.subsystem = '\0';
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_RECORD
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, &val, 'R' },
{ "size", 1, &val, 's' },
#endif
{ "verbose", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, &val, 'C' },
{ "nodevice", 1, NULL, 'N' },
{ "dualanalog", 1, NULL, 'A' },
{ "device", 1, NULL, 'd' },
{ "savestate", 1, NULL, 'S' },
#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' },
#endif
{ "nick", 1, &val, 'N' },
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
{ "command", 1, &val, 'c' },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, &val, 'B' },
{ "ips", 1, &val, 'I' },
{ "no-patch", 0, &val, 'n' },
{ "detach", 0, NULL, 'D' },
{ "features", 0, &val, 'f' },
{ "subsystem", 1, NULL, 'Z' },
{ NULL, 0, NULL, 0 }
};
#ifdef HAVE_RECORD
#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:A:c:U:DN:d:" 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 'Z':
strlcpy(g_extern.subsystem, optarg, sizeof(g_extern.subsystem));
break;
case 'd':
{
struct string_list *list = string_split(optarg, ":");
port = (list && list->size == 2) ? strtol(list->elems[0].data, NULL, 0) : 0;
unsigned id = (list && list->size == 2) ? strtoul(list->elems[1].data, NULL, 0) : 0;
string_list_free(list);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Connect device to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_settings.input.libretro_device[port - 1] = id;
g_extern.has_set_libretro_device[port - 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, optarg, sizeof(g_extern.savefile_name));
g_extern.has_set_save_path = true;
break;
case 'f':
g_extern.force_fullscreen = true;
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.verbosity = true;
g_extern.has_set_verbosity = 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 'c':
strlcpy(g_extern.config_path, optarg, sizeof(g_extern.config_path));
break;
#ifdef HAVE_RECORD
case 'r':
strlcpy(g_extern.record_path, optarg, sizeof(g_extern.record_path));
g_extern.recording = true;
break;
#endif
#ifdef HAVE_DYNAMIC
case 'L':
if (path_is_directory(optarg))
{
*g_settings.libretro = '\0';
strlcpy(g_settings.libretro_directory, optarg, sizeof(g_settings.libretro_directory));
g_extern.has_set_libretro = true;
g_extern.has_set_libretro_directory = true;
RARCH_WARN("Using old --libretro behavior. Setting libretro_directory to \"%s\" instead.\n", optarg);
}
else
{
strlcpy(g_settings.libretro, optarg, sizeof(g_settings.libretro));
g_extern.has_set_libretro = true;
}
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.has_set_netplay_ip_address = true;
g_extern.netplay_enable = true;
*g_extern.netplay_server = '\0';
break;
case 'C':
g_extern.has_set_netplay_ip_address = true;
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);
g_extern.has_set_netplay_delay_frames = true;
break;
#endif
case 'U':
strlcpy(g_extern.ups_name, optarg, sizeof(g_extern.ups_name));
g_extern.ups_pref = true;
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.has_set_netplay_ip_port = true;
g_extern.netplay_port = strtoul(optarg, NULL, 0);
break;
case 'S':
g_extern.has_set_netplay_mode = true;
g_extern.netplay_is_spectate = true;
break;
#endif
case 'N':
g_extern.has_set_username = true;
strlcpy(g_settings.username, optarg, sizeof(g_settings.username));
break;
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
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_RECORD
case 's':
{
if (sscanf(optarg, "%ux%u", &g_extern.record_width, &g_extern.record_height) != 2)
{
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 content file was passed as well.\n");
rarch_fail(1, "parse_input()");
}
}
else if (!*g_extern.subsystem && optind < argc)
set_paths(argv[optind]);
else if (*g_extern.subsystem && optind < argc)
set_special_paths(argv + optind, argc - optind);
else
g_extern.libretro_no_content = 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))
strlcpy(g_extern.savefile_dir, g_extern.savefile_name, 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];
const struct retro_controller_description *desc = NULL;
if (i < g_extern.system.num_ports)
desc = libretro_find_controller_description(&g_extern.system.ports[i], device);
const char *ident = desc ? desc->desc : NULL;
if (!ident)
{
// If we're trying to connect a completely unknown device, revert back to JOYPAD.
if (device != RETRO_DEVICE_JOYPAD && device != RETRO_DEVICE_NONE)
{
RARCH_WARN("Input device ID %u is unknown to this libretro implementation. Using RETRO_DEVICE_JOYPAD.\n", device);
device = RETRO_DEVICE_JOYPAD;
// Do not fix g_settings.input.libretro_device[i], because any use of dummy core will reset this, which is not a good idea.
}
ident = "Joypad";
}
if (device == RETRO_DEVICE_NONE)
{
RARCH_LOG("Disconnecting device from port %u.\n", i + 1);
pretro_set_controller_port_device(i, device);
}
else if (device != RETRO_DEVICE_JOYPAD)
{
// Some cores do not properly range check port argument.
// This is broken behavior ofc, but avoid breaking cores needlessly.
RARCH_LOG("Connecting %s (ID: %u) to port %u.\n", ident, device, i + 1);
pretro_set_controller_port_device(i, device);
}
}
}
static inline bool load_save_files(void)
{
unsigned i;
if (!g_extern.savefiles || g_extern.sram_load_disable)
return false;
for (i = 0; i < g_extern.savefiles->size; i++)
load_ram_file(g_extern.savefiles->elems[i].data, g_extern.savefiles->elems[i].attr.i);
return true;
}
static inline bool save_files(void)
{
unsigned i;
if (!g_extern.savefiles || !g_extern.use_sram)
return false;
for (i = 0; i < g_extern.savefiles->size; i++)
{
unsigned type = g_extern.savefiles->elems[i].attr.i;
const char *path = g_extern.savefiles->elems[i].data;
RARCH_LOG("Saving RAM type #%u to \"%s\".\n", type, path);
save_ram_file(path, type);
}
return true;
}
static void rarch_init_msg_queue(void)
{
if (!g_extern.msg_queue)
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)
{
bool allow_cheats = true;
#ifdef HAVE_NETPLAY
allow_cheats &= !g_extern.netplay;
#endif
#ifdef HAVE_BSV_MOVIE
allow_cheats &= !g_extern.bsv.movie;
#endif
if (!allow_cheats)
return;
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);
g_extern.cheat = NULL;
}
static void init_rewind(void)
{
void *state;
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
return;
#endif
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;
}
RARCH_LOG("Initing rewind buffer with size: %u MB\n", (unsigned)(g_settings.rewind_buffer_size / 1000000));
g_extern.state_manager = state_manager_new(g_extern.state_size, g_settings.rewind_buffer_size);
if (!g_extern.state_manager)
RARCH_WARN("Failed to initialize rewind buffer. Rewinding will be disabled.\n");
state_manager_push_where(g_extern.state_manager, &state);
pretro_serialize(state, g_extern.state_size);
state_manager_push_do(g_extern.state_manager);
}
static void deinit_rewind(void)
{
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
return;
#endif
if (g_extern.state_manager)
state_manager_free(g_extern.state_manager);
g_extern.state_manager = NULL;
}
#ifdef HAVE_BSV_MOVIE
static void init_movie(void)
{
if (g_extern.bsv.movie_start_playback)
{
if (!(g_extern.bsv.movie = bsv_movie_init(g_extern.bsv.movie_start_path, RARCH_MOVIE_PLAYBACK)))
{
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);
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 = bsv_movie_init(g_extern.bsv.movie_start_path, RARCH_MOVIE_RECORD)))
{
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);
g_extern.bsv.movie = NULL;
}
#endif
#define RARCH_DEFAULT_PORT 55435
#ifdef HAVE_NETPLAY
static void init_netplay(void)
{
struct retro_callbacks cbs = {0};
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
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_settings.username);
if (!g_extern.netplay)
{
g_extern.netplay_is_client = false;
RARCH_WARN("Failed to initialize netplay ...\n");
if (g_extern.msg_queue)
msg_queue_push(g_extern.msg_queue,
"Failed to initialize netplay ...",
0, 180);
}
}
static void deinit_netplay(void)
{
if (g_extern.netplay)
netplay_free(g_extern.netplay);
g_extern.netplay = NULL;
}
#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");
}
if (!(driver.command = rarch_cmd_new(g_settings.stdin_cmd_enable && !driver.stdin_claimed,
g_settings.network_cmd_enable, g_settings.network_cmd_port)))
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
#ifdef HAVE_NETPLAY
static void init_libretro_cbs_netplay(void)
{
if (!g_extern.netplay)
return;
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
static void init_libretro_cbs(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);
#ifdef HAVE_NETPLAY
init_libretro_cbs_netplay();
#endif
}
#if defined(HAVE_THREADS)
static void init_autosave(void)
{
unsigned i;
if (g_settings.autosave_interval < 1 || !g_extern.savefiles)
return;
if (!(g_extern.autosave = (autosave_t**)calloc(g_extern.savefiles->size,
sizeof(*g_extern.autosave))))
return;
g_extern.num_autosave = g_extern.savefiles->size;
for (i = 0; i < g_extern.savefiles->size; i++)
{
const char *path = g_extern.savefiles->elems[i].data;
unsigned type = g_extern.savefiles->elems[i].attr.i;
if (pretro_get_memory_size(type) > 0)
{
g_extern.autosave[i] = autosave_new(path,
pretro_get_memory_data(type),
pretro_get_memory_size(type),
g_settings.autosave_interval);
if (!g_extern.autosave[i])
RARCH_WARN("Could not initialize autosave.\n");
}
}
}
static void deinit_autosave(void)
{
unsigned i;
for (i = 0; i < g_extern.num_autosave; i++)
autosave_free(g_extern.autosave[i]);
if (g_extern.autosave)
free(g_extern.autosave);
g_extern.autosave = NULL;
g_extern.num_autosave = 0;
}
#endif
static void set_savestate_auto_index(void)
{
struct string_list *dir_list;
char state_dir[PATH_MAX], state_base[PATH_MAX];
size_t i;
unsigned max_index = 0;
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/content.state, will try to find /foo/path/content.state%d, where %d is the largest number available.
fill_pathname_basedir(state_dir, g_extern.savestate_name, sizeof(state_dir));
fill_pathname_base(state_base, g_extern.savestate_name, sizeof(state_base));
if (!(dir_list = dir_list_new(state_dir, NULL, false)))
return;
for (i = 0; i < dir_list->size; i++)
{
char elem_base[PATH_MAX];
const char *dir_elem = dir_list->elems[i].data;
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_settings.state_slot = max_index;
RARCH_LOG("Found last state slot: #%u\n", g_settings.state_slot);
}
static void deinit_savefiles(void)
{
if (g_extern.savefiles)
string_list_free(g_extern.savefiles);
g_extern.savefiles = NULL;
}
static void fill_pathnames(void)
{
deinit_savefiles();
g_extern.savefiles = string_list_new();
rarch_assert(g_extern.savefiles);
// For subsystems, we know exactly which RAM types are supported.
if (*g_extern.subsystem)
{
unsigned i, j;
const struct retro_subsystem_info *info =
(const struct retro_subsystem_info*)libretro_find_subsystem_info(g_extern.system.special, g_extern.system.num_special, g_extern.subsystem);
// We'll handle this error gracefully later.
unsigned num_content = min(info ? info->num_roms : 0, g_extern.subsystem_fullpaths ? g_extern.subsystem_fullpaths->size : 0);
bool use_sram_dir = path_is_directory(g_extern.savefile_name);
for (i = 0; i < num_content; i++)
{
for (j = 0; j < info->roms[i].num_memory; j++)
{
union string_list_elem_attr attr;
char path[PATH_MAX], ext[32];
const struct retro_subsystem_memory_info *mem = (const struct retro_subsystem_memory_info*)&info->roms[i].memory[j];
snprintf(ext, sizeof(ext), ".%s", mem->extension);
if (use_sram_dir)
{
// Redirect content fullpath to save directory.
strlcpy(path, g_extern.savefile_name, sizeof(path));
fill_pathname_dir(path, g_extern.subsystem_fullpaths->elems[i].data, ext,
sizeof(path));
}
else
{
fill_pathname(path, g_extern.subsystem_fullpaths->elems[i].data,
ext, sizeof(path));
}
attr.i = mem->type;
string_list_append(g_extern.savefiles, path, attr);
}
}
// Let other relevant paths be inferred from the main SRAM location.
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name, g_extern.basename, ".srm", sizeof(g_extern.savefile_name));
if (path_is_directory(g_extern.savefile_name))
{
fill_pathname_dir(g_extern.savefile_name, g_extern.basename, ".srm", sizeof(g_extern.savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n", g_extern.savefile_name);
}
}
else
{
char savefile_name_rtc[PATH_MAX];
union string_list_elem_attr attr;
attr.i = RETRO_MEMORY_SAVE_RAM;
string_list_append(g_extern.savefiles, g_extern.savefile_name, attr);
// Infer .rtc save path from save ram path.
attr.i = RETRO_MEMORY_RTC;
fill_pathname(savefile_name_rtc,
g_extern.savefile_name, ".rtc", sizeof(savefile_name_rtc));
string_list_append(g_extern.savefiles, savefile_name_rtc, attr);
}
#ifdef HAVE_BSV_MOVIE
fill_pathname(g_extern.bsv.movie_path, g_extern.savefile_name, "", 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));
}
}
static void load_auto_state(void)
{
char savestate_name_auto[PATH_MAX];
#ifdef HAVE_NETPLAY
if (g_extern.netplay_enable && !g_extern.netplay_is_spectate)
return;
#endif
if (!g_settings.savestate_auto_load)
return;
fill_pathname_noext(savestate_name_auto, g_extern.savestate_name,
".auto", sizeof(savestate_name_auto));
if (path_file_exists(savestate_name_auto))
{
char msg[PATH_MAX];
bool ret = load_state(savestate_name_auto);
RARCH_LOG("Found auto savestate in: %s\n", savestate_name_auto);
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 bool save_auto_state(void)
{
char savestate_name_auto[PATH_MAX];
if (!g_settings.savestate_auto_save || g_extern.libretro_dummy ||
g_extern.libretro_no_content)
return false;
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");
return true;
}
static void rarch_load_state(void)
{
char load_path[PATH_MAX], msg[512];
// Disallow savestate load when we absolutely cannot change game state.
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie)
return;
#endif
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
return;
#endif
if (g_settings.state_slot > 0)
snprintf(load_path, sizeof(load_path), "%s%d", g_extern.savestate_name, g_settings.state_slot);
else if (g_settings.state_slot < 0)
snprintf(load_path, sizeof(load_path), "%s.auto", g_extern.savestate_name);
else
snprintf(load_path, sizeof(load_path), "%s", g_extern.savestate_name);
if (pretro_serialize_size())
{
if (load_state(load_path))
{
if (g_settings.state_slot < 0)
snprintf(msg, sizeof(msg), "Loaded state from slot #-1 (auto).");
else
snprintf(msg, sizeof(msg), "Loaded state from slot #%d.", g_settings.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);
}
static void rarch_save_state(void)
{
char save_path[PATH_MAX], msg[512];
if (g_settings.savestate_auto_index)
g_settings.state_slot++;
if (g_settings.state_slot > 0)
snprintf(save_path, sizeof(save_path), "%s%d", g_extern.savestate_name, g_settings.state_slot);
else if (g_settings.state_slot < 0)
snprintf(save_path, sizeof(save_path), "%s.auto", g_extern.savestate_name);
else
snprintf(save_path, sizeof(save_path), "%s", g_extern.savestate_name);
if (pretro_serialize_size())
{
if (save_state(save_path))
{
if (g_settings.state_slot < 0)
snprintf(msg, sizeof(msg), "Saved state to slot #-1 (auto).");
else
snprintf(msg, sizeof(msg), "Saved state to slot #%u.", g_settings.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;
}
}
static void 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();
}
bool rarch_check_fullscreen(void)
{
// If we go fullscreen we drop all drivers and reinitialize 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;
rarch_main_command(RARCH_CMD_REINIT);
}
was_pressed = pressed;
return toggle;
}
static void rarch_state_slot_increase(void)
{
char msg[256];
g_settings.state_slot++;
if (g_extern.msg_queue)
msg_queue_clear(g_extern.msg_queue);
snprintf(msg, sizeof(msg), "State slot: %u", g_settings.state_slot);
if (g_extern.msg_queue)
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
static void rarch_state_slot_decrease(void)
{
char msg[256];
if (g_settings.state_slot > 0)
g_settings.state_slot--;
if (g_extern.msg_queue)
msg_queue_clear(g_extern.msg_queue);
snprintf(msg, sizeof(msg), "State slot: %u", g_settings.state_slot);
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;
static bool old_should_slot_decrease = false;
bool should_slot_increase = input_key_pressed_func(RARCH_STATE_SLOT_PLUS);
bool should_slot_decrease = input_key_pressed_func(RARCH_STATE_SLOT_MINUS);
if (should_slot_increase && !old_should_slot_increase)
rarch_state_slot_increase();
old_should_slot_increase = should_slot_increase;
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)
return;
// 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;
g_extern.frame_is_reverse = false;
}
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)
{
static bool first = true;
flush_rewind_audio();
if (first)
{
first = false;
return;
}
if (!g_extern.state_manager)
return;
if (input_key_pressed_func(RARCH_REWIND))
{
const void *buf;
msg_queue_clear(g_extern.msg_queue);
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
{
void *state;
state_manager_push_where(g_extern.state_manager, &state);
RARCH_PERFORMANCE_INIT(rewind_serialize);
RARCH_PERFORMANCE_START(rewind_serialize);
pretro_serialize(state, g_extern.state_size);
RARCH_PERFORMANCE_STOP(rewind_serialize);
state_manager_push_do(g_extern.state_manager);
}
}
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)
return;
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 check_movie_record(bool pressed)
{
if (!pressed)
return;
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");
deinit_movie();
}
else
{
char path[PATH_MAX], msg[PATH_MAX];
g_settings.rewind_granularity = 1;
if (g_settings.state_slot > 0)
{
snprintf(path, sizeof(path), "%s%u.bsv",
g_extern.bsv.movie_path, g_settings.state_slot);
}
else
{
snprintf(path, sizeof(path), "%s.bsv",
g_extern.bsv.movie_path);
}
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_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");
deinit_movie();
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;
static bool old_focus = true;
bool focus = true;
bool has_set_audio_stop = false;
bool has_set_audio_start = 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);
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");
has_set_audio_stop = true;
}
else
{
RARCH_LOG("Unpaused.\n");
has_set_audio_start = true;
}
}
else if (focus && !old_focus)
{
RARCH_LOG("Unpaused.\n");
g_extern.is_paused = false;
has_set_audio_start = true;
}
else if (!focus && old_focus)
{
RARCH_LOG("Paused.\n");
g_extern.is_paused = true;
has_set_audio_stop = true;
}
if (has_set_audio_stop)
rarch_main_command(RARCH_CMD_AUDIO_STOP);
if (has_set_audio_start)
rarch_main_command(RARCH_CMD_AUDIO_START);
old_focus = focus;
old_state = new_state;
}
static void check_oneshot(void)
{
static bool old_state = false;
static bool old_rewind_state = false;
bool new_state = input_key_pressed_func(RARCH_FRAMEADVANCE);
bool new_rewind_state = input_key_pressed_func(RARCH_REWIND);
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.
g_extern.is_oneshot |= new_rewind_state && !old_rewind_state;
old_rewind_state = new_rewind_state;
}
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_main_command(RARCH_CMD_RESET);
old_state = new_state;
}
static void check_turbo(void)
{
unsigned i;
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],
};
g_extern.turbo_count++;
if (driver.block_libretro_input)
memset(g_extern.turbo_frame_enable, 0, sizeof(g_extern.turbo_frame_enable));
else
{
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 = false;
static bool old_pressed_prev = false;
bool should_apply = false;
bool pressed_next = false;
bool pressed_prev = false;
if (!g_extern.shader_dir.list || !driver.video->set_shader)
return;
pressed_next = input_key_pressed_func(RARCH_SHADER_NEXT);
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)
{
char msg[512];
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 = path_get_extension(shader);
if (strcmp(ext, "glsl") == 0 || strcmp(ext, "glslp") == 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);
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)
{
bool pressed_next, pressed_prev, pressed_toggle;
static bool old_pressed_prev = false;
static bool old_pressed_next = false;
static bool old_pressed_toggle = false;
if (!g_extern.cheat)
return;
pressed_next = input_key_pressed_func(RARCH_CHEAT_INDEX_PLUS);
pressed_prev = input_key_pressed_func(RARCH_CHEAT_INDEX_MINUS);
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)
{
char msg[512];
unsigned new_index;
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
struct retro_game_info info = {0};
rarch_disk_control_set_eject(true, false);
control->add_image_index();
new_index = control->get_num_images();
if (!new_index)
return;
new_index--;
info.path = path;
control->replace_image_index(new_index, &info);
rarch_disk_control_set_index(new_index);
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)
deinit_autosave();
#endif
// TODO: Need to figure out what to do with subsystems case.
if (!*g_extern.subsystem)
{
// 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)
init_autosave();
#endif
rarch_disk_control_set_eject(false, false);
}
void rarch_disk_control_set_eject(bool new_state, bool log)
{
char msg[256];
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
bool error = false;
if (!control->get_num_images)
return;
*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 menu.
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)
{
char msg[256];
unsigned num_disks;
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
bool error = false;
if (!control->get_num_images)
return;
*msg = '\0';
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
strlcpy(msg, "Removed disk from tray.", sizeof(msg));
}
else
{
if (next_index < num_disks)
snprintf(msg, sizeof(msg), "Failed to set disk %u of %u.", next_index + 1, num_disks);
else
strlcpy(msg, "Failed to remove disk from tray.", sizeof(msg));
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)
{
bool pressed_eject, pressed_next;
static bool old_pressed_eject = false;
static bool old_pressed_next = false;
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
if (!control->get_num_images)
return;
pressed_eject = input_key_pressed_func(RARCH_DISK_EJECT_TOGGLE);
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;
}
static void check_screenshot(void)
{
static bool old_pressed = false;
bool pressed = input_key_pressed_func(RARCH_SCREENSHOT);
if (pressed && !old_pressed)
take_screenshot();
old_pressed = pressed;
}
static void check_mute(void)
{
static bool old_pressed = false;
bool pressed = input_key_pressed_func(RARCH_MUTE);
if (!g_extern.audio_active)
return;
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)
{
char msg[256];
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 (!g_extern.audio_active || !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;
g_extern.audio_data.volume_db = max(g_extern.audio_data.volume_db, -80.0f);
g_extern.audio_data.volume_db = min(g_extern.audio_data.volume_db, 12.0f);
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 = false;
bool pressed = input_key_pressed_func(RARCH_NETPLAY_FLIP);
if (pressed && !old_pressed)
netplay_flip_players(g_extern.netplay);
old_pressed = pressed;
rarch_check_fullscreen();
}
#endif
void rarch_check_block_hotkey(void)
{
static const struct retro_keybind *bind = &g_settings.input.binds[0][RARCH_ENABLE_HOTKEY];
bool use_hotkey_enable, enable_hotkey;
// Don't block the check to RARCH_ENABLE_HOTKEY unless we're really supposed to.
driver.block_hotkey = driver.block_input;
// If we haven't bound anything to this, always allow hotkeys.
use_hotkey_enable = bind->key != RETROK_UNKNOWN || bind->joykey != NO_BTN || bind->joyaxis != AXIS_NONE;
enable_hotkey = input_key_pressed_func(RARCH_ENABLE_HOTKEY);
driver.block_hotkey = driver.block_input || (use_hotkey_enable && !enable_hotkey);
// If we hold ENABLE_HOTKEY button, block all libretro input to allow hotkeys to be bound to same keys as RetroPad.
driver.block_libretro_input = use_hotkey_enable && enable_hotkey;
}
#ifdef HAVE_OVERLAY
void rarch_check_overlay(void)
{
static bool old_pressed = false;
bool pressed;
if (!driver.overlay)
return;
pressed = input_key_pressed_func(RARCH_OVERLAY_NEXT);
if (pressed && !old_pressed)
input_overlay_next(driver.overlay);
old_pressed = pressed;
}
#endif
static void check_grab_mouse_toggle(void)
{
static bool old_pressed = false;
static bool grab_mouse_state = false;
bool pressed = input_key_pressed_func(RARCH_GRAB_MOUSE_TOGGLE) &&
driver.input->grab_mouse;
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;
}
static void check_flip(void)
{
#ifdef HAVE_NETPLAY
if (g_extern.netplay)
{
check_netplay_flip();
return;
}
#endif
check_pause();
check_oneshot();
if (rarch_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();
check_reset();
}
static void do_state_checks(void)
{
rarch_check_block_hotkey();
check_screenshot();
check_mute();
check_volume();
check_turbo();
check_grab_mouse_toggle();
#ifdef HAVE_OVERLAY
rarch_check_overlay();
#endif
check_flip();
}
static void init_state(void)
{
g_extern.video_active = true;
g_extern.audio_active = true;
}
static void deinit_log_file(void)
{
if (g_extern.log_file)
fclose(g_extern.log_file);
g_extern.log_file = NULL;
}
void rarch_main_clear_state(void)
{
unsigned i;
memset(&g_settings, 0, sizeof(g_settings));
deinit_log_file();
memset(&g_extern, 0, sizeof(g_extern));
init_state();
for (i = 0; i < MAX_PLAYERS; i++)
g_settings.input.libretro_device[i] = RETRO_DEVICE_JOYPAD;
rarch_init_msg_queue();
}
#ifdef HAVE_ZLIB
#define DEFAULT_EXT "zip"
#else
#define DEFAULT_EXT ""
#endif
void rarch_init_system_info(void)
{
struct retro_system_info *info = (struct retro_system_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();
}
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)
{
uint64_t cpu = rarch_get_cpu_features();
(void)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 & RETRO_SIMD_SSE))
FAIL_CPU("SSE");
#endif
#ifdef __SSE2__
if (!(cpu & RETRO_SIMD_SSE2))
FAIL_CPU("SSE2");
#endif
#ifdef __AVX__
if (!(cpu & RETRO_SIMD_AVX))
FAIL_CPU("AVX");
#endif
}
static void init_sram(void)
{
#ifdef HAVE_NETPLAY
g_extern.use_sram = g_extern.use_sram && !g_extern.sram_save_disable && (!g_extern.netplay || !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)
{
#if defined(HAVE_THREADS)
init_autosave();
#endif
}
else
RARCH_LOG("SRAM will not be saved.\n");
}
static void main_deinit_core(void)
{
pretro_unload_game();
pretro_deinit();
uninit_libretro_sym();
}
int rarch_main_init(int argc, char *argv[])
{
int sjlj_ret;
init_state();
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.verbosity)
{
RARCH_LOG_OUTPUT("=== Build =======================================");
print_compiler(stderr);
RARCH_LOG_OUTPUT("Version: %s\n", PACKAGE_VERSION);
#ifdef HAVE_GIT_VERSION
RARCH_LOG_OUTPUT("Git: %s\n", rarch_git_version);
#endif
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_content;
if (g_extern.libretro_no_content && !g_extern.libretro_dummy)
{
if (!init_rom_file())
goto error;
}
else if (!g_extern.libretro_dummy)
{
fill_pathnames();
if (!init_rom_file())
goto error;
set_savestate_auto_index();
if (load_save_files())
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
init_rewind();
init_controllers();
#ifdef HAVE_RECORD
init_recording();
#endif
init_sram();
init_cheats();
g_extern.error_in_init = false;
g_extern.main_is_init = true;
return 0;
error:
uninit_drivers();
main_deinit_core();
g_extern.main_is_init = false;
return 1;
}
static inline bool check_enter_menu(void)
{
static bool old_rmenu_toggle = true;
bool rmenu_toggle = input_key_pressed_func(RARCH_MENU_TOGGLE) || (g_extern.libretro_dummy && !old_rmenu_toggle);
// Always go into menu if dummy core is loaded.
if (rmenu_toggle && !old_rmenu_toggle)
{
g_extern.lifecycle_state |= (1ULL << MODE_MENU_PREINIT);
old_rmenu_toggle = true;
g_extern.system.frame_time_last = 0;
}
else
{
old_rmenu_toggle = rmenu_toggle;
return false;
}
return true;
}
static inline void update_frame_time(void)
{
retro_time_t time = 0, delta = 0;
bool is_locked_fps;
if (!g_extern.system.frame_time.callback)
return;
time = rarch_get_time_usec();
is_locked_fps = g_extern.is_paused || driver.nonblock_state;
#ifdef HAVE_RECORD
is_locked_fps |= !!g_extern.rec;
#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)
{
retro_time_t current = 0, target = 0, to_sleep_ms = 0;
if (g_settings.fastforward_ratio < 0.0f)
return;
g_extern.frame_limit.minimum_frame_time = (retro_time_t)roundf(1000000.0f / (g_extern.system.av_info.timing.fps * g_settings.fastforward_ratio));
current = rarch_get_time_usec();
target = g_extern.frame_limit.last_frame_time + g_extern.frame_limit.minimum_frame_time;
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();
}
//TODO - can we refactor command.c to do this? Should be local and not
//stdin or network-based
void rarch_main_command(unsigned action)
{
switch (action)
{
case RARCH_CMD_LOAD_CONTENT:
#ifdef HAVE_DYNAMIC
rarch_main_command(RARCH_CMD_LOAD_CORE);
g_extern.lifecycle_state |= (1ULL << MODE_LOAD_GAME);
#else
rarch_environment_cb(RETRO_ENVIRONMENT_SET_LIBRETRO_PATH, (void*)g_settings.libretro);
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC, (void*)g_extern.fullpath);
#endif
break;
case RARCH_CMD_LOAD_CORE:
#ifdef HAVE_MENU
menu_update_system_info(driver.menu, &driver.menu->load_no_content);
#endif
break;
case RARCH_CMD_LOAD_STATE:
rarch_load_state();
g_extern.lifecycle_state |= (1ULL << MODE_GAME);
break;
case RARCH_CMD_RESET:
RARCH_LOG("Resetting content.\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.
g_extern.lifecycle_state |= (1ULL << MODE_GAME);
break;
case RARCH_CMD_SAVE_STATE:
rarch_save_state();
g_extern.lifecycle_state |= (1ULL << MODE_GAME);
break;
case RARCH_CMD_TAKE_SCREENSHOT:
take_screenshot();
break;
case RARCH_CMD_PREPARE_DUMMY:
*g_extern.fullpath = '\0';
#ifdef HAVE_MENU
if (driver.menu)
driver.menu->load_no_content = false;
#endif
g_extern.lifecycle_state |= (1ULL << MODE_LOAD_GAME);
g_extern.system.shutdown = false;
break;
case RARCH_CMD_QUIT:
g_extern.system.shutdown = true;
break;
case RARCH_CMD_REINIT:
set_fullscreen(g_settings.video.fullscreen);
break;
case RARCH_CMD_REWIND:
if (g_settings.rewind_enable)
init_rewind();
else
deinit_rewind();
break;
case RARCH_CMD_AUTOSAVE:
#ifdef HAVE_THREADS
deinit_autosave();
init_autosave();
#endif
break;
case RARCH_CMD_AUDIO_STOP:
if (driver.audio_data)
audio_stop_func();
break;
case RARCH_CMD_AUDIO_START:
if (driver.audio_data && !g_extern.audio_data.mute && !audio_start_func())
{
RARCH_ERR("Failed to start audio driver. Will continue without audio.\n");
g_extern.audio_active = false;
}
break;
case RARCH_CMD_OVERLAY_INIT:
#ifdef HAVE_OVERLAY
if (!*g_settings.input.overlay)
break;
driver.overlay = input_overlay_new(g_settings.input.overlay);
if (!driver.overlay)
RARCH_ERR("Failed to load overlay.\n");
#endif
break;
case RARCH_CMD_OVERLAY_DEINIT:
#ifdef HAVE_OVERLAY
if (driver.overlay)
input_overlay_free(driver.overlay);
driver.overlay = NULL;
memset(&driver.overlay_state, 0, sizeof(driver.overlay_state));
#endif
break;
case RARCH_CMD_DSP_FILTER_INIT:
rarch_main_command(RARCH_CMD_DSP_FILTER_DEINIT);
if (!*g_settings.audio.dsp_plugin)
break;
g_extern.audio_data.dsp = rarch_dsp_filter_new(g_settings.audio.dsp_plugin, g_extern.audio_data.in_rate);
if (!g_extern.audio_data.dsp)
RARCH_ERR("[DSP]: Failed to initialize DSP filter \"%s\".\n", g_settings.audio.dsp_plugin);
break;
case RARCH_CMD_DSP_FILTER_DEINIT:
if (g_extern.audio_data.dsp)
rarch_dsp_filter_free(g_extern.audio_data.dsp);
g_extern.audio_data.dsp = NULL;
break;
case RARCH_CMD_RECORD_INIT:
#ifdef HAVE_RECORD
init_recording();
#endif
break;
case RARCH_CMD_RECORD_DEINIT:
#ifdef HAVE_RECORD
deinit_recording();
#endif
break;
case RARCH_CMD_HISTORY_INIT:
if (g_extern.history)
return;
g_extern.history = content_history_init(g_settings.content_history_path, g_settings.game_history_size);
break;
case RARCH_CMD_HISTORY_DEINIT:
if (g_extern.history)
content_history_free(g_extern.history);
g_extern.history = NULL;
break;
}
}
bool rarch_main_iterate(void)
{
unsigned i;
// 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_menu())
return false; // Enter menu, don't exit.
if (g_extern.exec)
{
g_extern.exec = false;
return false;
}
// Checks for stuff like fullscreen, save states, etc.
do_state_checks();
if (g_extern.is_paused && !g_extern.is_oneshot)
{
rarch_input_poll();
rarch_sleep(10);
return true;
}
// Run libretro for one frame.
#if defined(HAVE_THREADS)
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
#ifdef HAVE_CAMERA
if (g_extern.system.camera_callback.caps)
driver_camera_poll();
#endif
// Update binds for analog dpad modes.
for (i = 0; i < MAX_PLAYERS; i++)
{
input_push_analog_dpad(g_settings.input.binds[i], g_settings.input.analog_dpad_mode[i]);
input_push_analog_dpad(g_settings.input.autoconf_binds[i], g_settings.input.analog_dpad_mode[i]);
}
update_frame_time();
pretro_run();
limit_frame_time();
for (i = 0; i < MAX_PLAYERS; i++)
{
input_pop_analog_dpad(g_settings.input.binds[i]);
input_pop_analog_dpad(g_settings.input.autoconf_binds[i]);
}
#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)
unlock_autosave();
#endif
return true;
}
static void deinit_temporary_content(void)
{
unsigned i;
if (g_extern.temporary_content)
{
for (i = 0; i < g_extern.temporary_content->size; i++)
{
const char *path = g_extern.temporary_content->elems[i].data;
RARCH_LOG("Removing temporary content file: %s.\n", path);
if (remove(path) < 0)
RARCH_ERR("Failed to remove temporary file: %s.\n", path);
}
string_list_free(g_extern.temporary_content);
}
g_extern.temporary_content = NULL;
}
static void deinit_subsystem_fullpaths(void)
{
if (g_extern.subsystem_fullpaths)
string_list_free(g_extern.subsystem_fullpaths);
g_extern.subsystem_fullpaths = NULL;
}
void rarch_main_deinit(void)
{
#ifdef HAVE_NETPLAY
deinit_netplay();
#endif
#ifdef HAVE_COMMAND
deinit_command();
#endif
#if defined(HAVE_THREADS)
if (g_extern.use_sram)
deinit_autosave();
#endif
#ifdef HAVE_RECORD
deinit_recording();
#endif
save_files();
deinit_rewind();
deinit_cheats();
#ifdef HAVE_BSV_MOVIE
deinit_movie();
#endif
save_auto_state();
uninit_drivers();
main_deinit_core();
deinit_temporary_content();
deinit_subsystem_fullpaths();
deinit_savefiles();
g_extern.main_is_init = false;
}
void rarch_main_init_wrap(const struct rarch_main_wrap *args, int *argc, char **argv)
{
*argc = 0;
argv[(*argc)++] = strdup("retroarch");
if (!args->no_content)
{
if (args->content_path)
{
RARCH_LOG("Using content: %s.\n", args->content_path);
argv[(*argc)++] = strdup(args->content_path);
}
else
{
RARCH_LOG("No content, 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
}
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