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retroarch.c
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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"
#if defined(_WIN32) && !defined(_XBOX)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#elif defined(_XBOX)
#include <xtl.h>
#endif
#ifdef _WIN32
#include "msvc/msvc_compat.h"
#endif
#if defined(RARCH_CONSOLE) && !defined(RARCH_PERFORMANCE_MODE)
#define RARCH_PERFORMANCE_MODE
#endif
// To avoid continous switching if we hold the button down, we require that the button must go from pressed, unpressed back to pressed to be able to toggle between then.
static void check_fast_forward_button(void)
{
bool new_button_state = input_key_pressed_func(RARCH_FAST_FORWARD_KEY);
bool new_hold_button_state = input_key_pressed_func(RARCH_FAST_FORWARD_HOLD_KEY);
bool update_sync = false;
static bool old_button_state = false;
static bool old_hold_button_state = false;
static bool syncing_state = false;
if (new_button_state && !old_button_state)
{
syncing_state = !syncing_state;
update_sync = true;
}
else if (old_hold_button_state != new_hold_button_state)
{
syncing_state = new_hold_button_state;
update_sync = true;
}
if (update_sync)
{
// Only apply non-block-state for video if we're using vsync.
if (g_extern.video_active && g_settings.video.vsync && !g_extern.system.force_nonblock)
video_set_nonblock_state_func(syncing_state);
if (g_extern.audio_active)
audio_set_nonblock_state_func(g_settings.audio.sync ? syncing_state : true);
g_extern.audio_data.chunk_size =
syncing_state ? g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size;
}
old_button_state = new_button_state;
old_hold_button_state = new_hold_button_state;
}
#if defined(HAVE_SCREENSHOTS) && !defined(_XBOX)
static bool take_screenshot_viewport(void)
{
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
return false;
uint8_t *buffer = (uint8_t*)malloc(vp.width * vp.height * 3);
if (!buffer)
return false;
if (!video_read_viewport_func(buffer))
{
free(buffer);
return false;
}
// Data read from viewport is in bottom-up order, suitable for BMP.
if (!screenshot_dump(g_settings.screenshot_directory,
buffer,
vp.width, vp.height, vp.width * 3, true))
{
free(buffer);
return false;
}
free(buffer);
return true;
}
static bool take_screenshot_raw(void)
{
const uint16_t *data = (const uint16_t*)g_extern.frame_cache.data;
unsigned width = g_extern.frame_cache.width;
unsigned height = g_extern.frame_cache.height;
int pitch = g_extern.frame_cache.pitch;
// Negative pitch is needed as screenshot takes bottom-up,
// but we use top-down.
return screenshot_dump(g_settings.screenshot_directory,
data + (height - 1) * (pitch >> 1),
width, height, -pitch, false);
}
static void take_screenshot(void)
{
if (!(*g_settings.screenshot_directory))
return;
bool ret = false;
if (g_settings.video.gpu_screenshot && driver.video->read_viewport && driver.video->viewport_info)
ret = take_screenshot_viewport();
else if (g_extern.frame_cache.data)
ret = take_screenshot_raw();
const char *msg = NULL;
if (ret)
{
RARCH_LOG("Taking screenshot.\n");
msg = "Taking screenshot.";
}
else
{
RARCH_WARN("Failed to take screenshot ...\n");
msg = "Failed to take screenshot.";
}
msg_queue_clear(g_extern.msg_queue);
if (g_extern.is_paused)
{
msg_queue_push(g_extern.msg_queue, msg, 1, 1);
rarch_render_cached_frame();
}
else
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
#endif
static void readjust_audio_input_rate(void)
{
int avail = audio_write_avail_func();
//RARCH_LOG_OUTPUT("Audio buffer is %u%% full\n",
// (unsigned)(100 - (avail * 100) / g_extern.audio_data.driver_buffer_size));
unsigned write_index = g_extern.measure_data.buffer_free_samples_count++ & (AUDIO_BUFFER_FREE_SAMPLES_COUNT - 1);
g_extern.measure_data.buffer_free_samples[write_index] = avail;
int half_size = g_extern.audio_data.driver_buffer_size / 2;
int delta_mid = avail - half_size;
double direction = (double)delta_mid / half_size;
double adjust = 1.0 + g_settings.audio.rate_control_delta * direction;
g_extern.audio_data.src_ratio = g_extern.audio_data.orig_src_ratio * adjust;
//RARCH_LOG_OUTPUT("New rate: %lf, Orig rate: %lf\n",
// g_extern.audio_data.src_ratio, g_extern.audio_data.orig_src_ratio);
}
#ifdef HAVE_FFMPEG
static void deinit_recording(void);
static void recording_dump_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
struct ffemu_video_data ffemu_data = {0};
if (g_extern.record_gpu_buffer)
{
struct rarch_viewport vp = {0};
video_viewport_info_func(&vp);
if (!vp.width || !vp.height)
{
RARCH_WARN("Viewport size calculation failed! Will continue using raw data. This will probably not work right ...\n");
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
recording_dump_frame(data, width, height, pitch);
return;
}
// User has resized. We're kinda fucked now.
if (vp.width != g_extern.record_gpu_width || vp.height != g_extern.record_gpu_height)
{
static const char msg[] = "Recording terminated due to resize.";
RARCH_WARN("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
deinit_recording();
g_extern.recording = false;
return;
}
// Big bottleneck.
// Since we might need to do read-backs asynchronously, it might take 3-4 times
// before this returns true ...
if (!video_read_viewport_func(g_extern.record_gpu_buffer))
return;
ffemu_data.pitch = g_extern.record_gpu_width * 3;
ffemu_data.width = g_extern.record_gpu_width;
ffemu_data.height = g_extern.record_gpu_height;
ffemu_data.data = g_extern.record_gpu_buffer + (ffemu_data.height - 1) * ffemu_data.pitch;
ffemu_data.pitch = -ffemu_data.pitch;
}
else
{
ffemu_data.data = data;
ffemu_data.pitch = pitch;
ffemu_data.width = width;
ffemu_data.height = height;
ffemu_data.is_dupe = !data;
}
ffemu_push_video(g_extern.rec, &ffemu_data);
}
#endif
static void video_frame(const void *data, unsigned width, unsigned height, size_t pitch)
{
if (!g_extern.video_active)
return;
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555 && data)
{
RARCH_PERFORMANCE_INIT(video_frame_conv);
RARCH_PERFORMANCE_START(video_frame_conv);
driver.scaler.in_width = width;
driver.scaler.in_height = height;
driver.scaler.out_width = width;
driver.scaler.out_height = height;
driver.scaler.in_stride = pitch;
driver.scaler.out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(&driver.scaler, driver.scaler_out, data);
data = driver.scaler_out;
pitch = driver.scaler.out_stride;
RARCH_PERFORMANCE_STOP(video_frame_conv);
}
// Slightly messy code,
// but we really need to do processing before blocking on VSync for best possible scheduling.
#ifdef HAVE_FFMPEG
if (g_extern.recording && (!g_extern.filter.active || !g_settings.video.post_filter_record || !data || g_extern.record_gpu_buffer))
recording_dump_frame(data, width, height, pitch);
#endif
const char *msg = msg_queue_pull(g_extern.msg_queue);
driver.current_msg = msg;
#ifdef HAVE_DYLIB
if (g_extern.filter.active && data)
{
struct scaler_ctx *scaler = &g_extern.filter.scaler;
scaler->in_width = scaler->out_width = width;
scaler->in_height = scaler->out_height = height;
scaler->in_stride = pitch;
scaler->out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(scaler, g_extern.filter.scaler_out, data);
unsigned owidth = width;
unsigned oheight = height;
g_extern.filter.psize(&owidth, &oheight);
g_extern.filter.prender(g_extern.filter.colormap, g_extern.filter.buffer,
g_extern.filter.pitch, g_extern.filter.scaler_out, scaler->out_stride, width, height);
#ifdef HAVE_FFMPEG
if (g_extern.recording && g_settings.video.post_filter_record)
recording_dump_frame(g_extern.filter.buffer, owidth, oheight, g_extern.filter.pitch);
#endif
if (!video_frame_func(g_extern.filter.buffer, owidth, oheight, g_extern.filter.pitch, msg))
g_extern.video_active = false;
}
else if (!video_frame_func(data, width, height, pitch, msg))
g_extern.video_active = false;
#else
if (!video_frame_func(data, width, height, pitch, msg))
g_extern.video_active = false;
#endif
g_extern.frame_cache.data = data;
g_extern.frame_cache.width = width;
g_extern.frame_cache.height = height;
g_extern.frame_cache.pitch = pitch;
}
void rarch_render_cached_frame(void)
{
#ifdef HAVE_FFMPEG
// Cannot allow FFmpeg recording when pushing duped frames.
bool recording = g_extern.recording;
g_extern.recording = false;
#endif
// Not 100% safe, since the library might have
// freed the memory, but no known implementations do this :D
// It would be really stupid at any rate ...
video_frame(g_extern.frame_cache.data,
g_extern.frame_cache.width,
g_extern.frame_cache.height,
g_extern.frame_cache.pitch);
#ifdef HAVE_FFMPEG
g_extern.recording = recording;
#endif
}
static bool audio_flush(const int16_t *data, size_t samples)
{
#ifdef HAVE_FFMPEG
if (g_extern.recording)
{
struct ffemu_audio_data ffemu_data = {0};
ffemu_data.data = data;
ffemu_data.frames = samples / 2;
ffemu_push_audio(g_extern.rec, &ffemu_data);
}
#endif
if (g_extern.is_paused || g_extern.audio_data.mute)
return true;
if (!g_extern.audio_active)
return false;
const float *output_data = NULL;
unsigned output_frames = 0;
struct resampler_data src_data = {0};
RARCH_PERFORMANCE_INIT(audio_convert_s16);
RARCH_PERFORMANCE_START(audio_convert_s16);
audio_convert_s16_to_float(g_extern.audio_data.data, data, samples,
g_extern.audio_data.volume_gain);
RARCH_PERFORMANCE_STOP(audio_convert_s16);
#if defined(HAVE_DYLIB)
rarch_dsp_output_t dsp_output = {0};
rarch_dsp_input_t dsp_input = {0};
dsp_input.samples = g_extern.audio_data.data;
dsp_input.frames = samples >> 1;
if (g_extern.audio_data.dsp_plugin)
g_extern.audio_data.dsp_plugin->process(g_extern.audio_data.dsp_handle, &dsp_output, &dsp_input);
src_data.data_in = dsp_output.samples ? dsp_output.samples : g_extern.audio_data.data;
src_data.input_frames = dsp_output.samples ? dsp_output.frames : (samples >> 1);
#else
src_data.data_in = g_extern.audio_data.data;
src_data.input_frames = samples >> 1;
#endif
src_data.data_out = g_extern.audio_data.outsamples;
if (g_extern.audio_data.rate_control)
readjust_audio_input_rate();
src_data.ratio = g_extern.audio_data.src_ratio;
if (g_extern.is_slowmotion)
src_data.ratio *= g_settings.slowmotion_ratio;
RARCH_PERFORMANCE_INIT(resampler_proc);
RARCH_PERFORMANCE_START(resampler_proc);
rarch_resampler_process(g_extern.audio_data.resampler,
g_extern.audio_data.resampler_data, &src_data);
RARCH_PERFORMANCE_STOP(resampler_proc);
output_data = g_extern.audio_data.outsamples;
output_frames = src_data.output_frames;
if (g_extern.audio_data.use_float)
{
if (audio_write_func(output_data, output_frames * sizeof(float) * 2) < 0)
{
RARCH_ERR("Audio backend failed to write. Will continue without sound.\n");
return false;
}
}
else
{
RARCH_PERFORMANCE_INIT(audio_convert_float);
RARCH_PERFORMANCE_START(audio_convert_float);
audio_convert_float_to_s16(g_extern.audio_data.conv_outsamples,
output_data, output_frames * 2);
RARCH_PERFORMANCE_STOP(audio_convert_float);
if (audio_write_func(g_extern.audio_data.conv_outsamples, output_frames * sizeof(int16_t) * 2) < 0)
{
RARCH_ERR("Audio backend failed to write. Will continue without sound.\n");
return false;
}
}
return true;
}
static void audio_sample_rewind(int16_t left, int16_t right)
{
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = right;
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = left;
}
size_t audio_sample_batch_rewind(const int16_t *data, size_t frames)
{
size_t samples = frames << 1;
for (size_t i = 0; i < samples; i++)
g_extern.audio_data.rewind_buf[--g_extern.audio_data.rewind_ptr] = data[i];
return frames;
}
static void audio_sample(int16_t left, int16_t right)
{
g_extern.audio_data.conv_outsamples[g_extern.audio_data.data_ptr++] = left;
g_extern.audio_data.conv_outsamples[g_extern.audio_data.data_ptr++] = right;
if (g_extern.audio_data.data_ptr < g_extern.audio_data.chunk_size)
return;
g_extern.audio_active = audio_flush(g_extern.audio_data.conv_outsamples,
g_extern.audio_data.data_ptr) && g_extern.audio_active;
g_extern.audio_data.data_ptr = 0;
}
size_t audio_sample_batch(const int16_t *data, size_t frames)
{
if (frames > (AUDIO_CHUNK_SIZE_NONBLOCKING >> 1))
frames = AUDIO_CHUNK_SIZE_NONBLOCKING >> 1;
g_extern.audio_active = audio_flush(data, frames << 1) && g_extern.audio_active;
return frames;
}
#ifdef HAVE_OVERLAY
static inline void input_poll_overlay(void)
{
driver.overlay_state = 0;
unsigned device = input_overlay_full_screen(driver.overlay) ?
RARCH_DEVICE_POINTER_SCREEN : RETRO_DEVICE_POINTER;
bool polled = false;
for (unsigned i = 0;
input_input_state_func(NULL, 0, device, i, RETRO_DEVICE_ID_POINTER_PRESSED);
i++)
{
int16_t x = input_input_state_func(NULL, 0,
device, i, RETRO_DEVICE_ID_POINTER_X);
int16_t y = input_input_state_func(NULL, 0,
device, i, RETRO_DEVICE_ID_POINTER_Y);
driver.overlay_state |= input_overlay_poll(driver.overlay, x, y);
polled = true;
}
if (!polled)
input_overlay_poll_clear(driver.overlay);
}
#endif
static void input_poll(void)
{
input_poll_func();
#ifdef HAVE_OVERLAY
if (driver.overlay) // Poll overlay state
input_poll_overlay();
#endif
}
// Turbo scheme: If turbo button is held, all buttons pressed except for D-pad will go into
// a turbo mode. Until the button is released again, the input state will be modulated by a periodic pulse defined
// by the configured duty cycle.
static bool input_apply_turbo(unsigned port, unsigned id, bool res)
{
if (res && g_extern.turbo_frame_enable[port])
g_extern.turbo_enable[port] |= (1 << id);
else if (!res)
g_extern.turbo_enable[port] &= ~(1 << id);
if (g_extern.turbo_enable[port] & (1 << id))
return res & ((g_extern.turbo_count % g_settings.input.turbo_period) < g_settings.input.turbo_duty_cycle);
else
return res;
}
static int16_t input_state(unsigned port, unsigned device, unsigned index, unsigned id)
{
device &= RETRO_DEVICE_MASK;
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie && g_extern.bsv.movie_playback)
{
int16_t ret;
if (bsv_movie_get_input(g_extern.bsv.movie, &ret))
return ret;
else
g_extern.bsv.movie_end = true;
}
#endif
static const struct retro_keybind *binds[MAX_PLAYERS] = {
g_settings.input.binds[0],
g_settings.input.binds[1],
g_settings.input.binds[2],
g_settings.input.binds[3],
g_settings.input.binds[4],
g_settings.input.binds[5],
g_settings.input.binds[6],
g_settings.input.binds[7],
};
int16_t res = 0;
if (id < RARCH_FIRST_META_KEY || device == RETRO_DEVICE_KEYBOARD)
res = input_input_state_func(binds, port, device, index, id);
#ifdef HAVE_OVERLAY
if (device == RETRO_DEVICE_JOYPAD && port == 0)
res |= driver.overlay_state & (UINT64_C(1) << id) ? 1 : 0;
#endif
// Don't allow turbo for D-pad.
if (device == RETRO_DEVICE_JOYPAD && (id < RETRO_DEVICE_ID_JOYPAD_UP || id > RETRO_DEVICE_ID_JOYPAD_RIGHT))
res = input_apply_turbo(port, id, res);
#ifdef HAVE_BSV_MOVIE
if (g_extern.bsv.movie && !g_extern.bsv.movie_playback)
bsv_movie_set_input(g_extern.bsv.movie, res);
#endif
return res;
}
#ifdef _WIN32
#define RARCH_DEFAULT_CONF_PATH_STR "\n\t\tDefaults to retroarch.cfg in same directory as retroarch.exe."
#else
#define RARCH_DEFAULT_CONF_PATH_STR "\n\t\tBy default looks for config in $XDG_CONFIG_HOME/retroarch/retroarch.cfg,\n\t\t$HOME/.config/retroarch/retroarch.cfg,\n\t\tand $HOME/.retroarch.cfg."
#endif
#include "config.features.h"
#define _PSUPP(var, name, desc) printf("\t%s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(sdl, "SDL", "SDL drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(kms, "KMS", "KMS/EGL context support");
_PSUPP(egl, "EGL", "EGL context support");
_PSUPP(vg, "OpenVG", "OpenVG output support");
_PSUPP(xvideo, "XVideo", "XVideo output");
_PSUPP(alsa, "ALSA", "audio driver");
_PSUPP(oss, "OSS", "audio driver");
_PSUPP(jack, "Jack", "audio driver");
_PSUPP(rsound, "RSound", "audio driver");
_PSUPP(roar, "RoarAudio", "audio driver");
_PSUPP(pulse, "PulseAudio", "audio driver");
_PSUPP(dsound, "DirectSound", "audio driver");
_PSUPP(xaudio, "XAudio2", "audio driver");
_PSUPP(zlib, "zlib", "PNG encode/decode and .zip extraction");
_PSUPP(al, "OpenAL", "audio driver");
_PSUPP(dylib, "External", "External filter and plugin support");
_PSUPP(cg, "Cg", "Cg pixel shaders");
_PSUPP(libxml2, "libxml2", "libxml2 XML parsing");
_PSUPP(sdl_image, "SDL_image", "SDL_image image loading");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libretro library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(freetype, "FreeType", "TTF font rendering with FreeType");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
_PSUPP(python, "Python", "Script support in shaders");
}
#undef _PSUPP
static void print_compiler(FILE *file)
{
fprintf(file, "\nCompiler: ");
#if defined(_MSC_VER)
fprintf(file, "MSVC (%d) %u-bit\n", _MSC_VER, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__SNC__)
fprintf(file, "SNC (%d) %u-bit\n",
__SN_VER__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(_WIN32) && defined(__GNUC__)
fprintf(file, "MinGW (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__clang__)
fprintf(file, "Clang/LLVM (%s) %u-bit\n",
__VERSION__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__GNUC__)
fprintf(file, "GCC (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#else
fprintf(file, "Unknown compiler %u-bit\n",
(unsigned)(CHAR_BIT * sizeof(size_t)));
#endif
fprintf(file, "Built: %s\n", __DATE__);
}
static void print_help(void)
{
puts("===================================================================");
#ifndef __BLACKBERRY_QNX__
/* To get around error 'too many decimal points in number - expected ')' before numeric constant */
puts("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " --");
#endif
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [rom file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--features: Prints available features compiled into RetroArch.");
puts("\t-s/--save: Path for save file (*.srm). Required when rom is input from stdin.");
puts("\t-f/--fullscreen: Start RetroArch in fullscreen regardless of config settings.");
puts("\t-S/--savestate: Path to use for save states. If not selected, *.state will be assumed.");
puts("\t-c/--config: Path for config file." RARCH_DEFAULT_CONF_PATH_STR);
puts("\t--appendconfig: Extra config files are loaded in, and take priority over config selected in -c (or default).");
puts("\t\tMultiple configs are delimited by ','.");
#ifdef HAVE_DYNAMIC
puts("\t-L/--libretro: Path to libretro implementation. Overrides any config setting.");
#endif
puts("\t-g/--gameboy: Path to Gameboy ROM. Load SuperGameBoy as the regular rom.");
puts("\t-b/--bsx: Path to BSX rom. Load BSX BIOS as the regular rom.");
puts("\t-B/--bsxslot: Path to BSX slotted rom. Load BSX BIOS as the regular rom.");
puts("\t--sufamiA: Path to A slot of Sufami Turbo. Load Sufami base cart as regular rom.");
puts("\t--sufamiB: Path to B slot of Sufami Turbo.");
printf("\t-N/--nodevice: Disconnects controller device connected to port (1 to %d).\n", MAX_PLAYERS);
printf("\t-A/--dualanalog: Connect a DualAnalog controller to port (1 to %d).\n", MAX_PLAYERS);
printf("\t-m/--mouse: Connect a mouse into port of the device (1 to %d).\n", MAX_PLAYERS);
puts("\t-p/--scope: Connect a virtual SuperScope into port 2. (SNES specific).");
puts("\t-j/--justifier: Connect a virtual Konami Justifier into port 2. (SNES specific).");
puts("\t-J/--justifiers: Daisy chain two virtual Konami Justifiers into port 2. (SNES specific).");
puts("\t-4/--multitap: Connect a SNES multitap to port 2. (SNES specific).");
#ifdef HAVE_BSV_MOVIE
puts("\t-P/--bsvplay: Playback a BSV movie file.");
puts("\t-R/--bsvrecord: Start recording a BSV movie file from the beginning.");
puts("\t-M/--sram-mode: Takes an argument telling how SRAM should be handled in the session.");
#endif
puts("\t\t{no,}load-{no,}save describes if SRAM should be loaded, and if SRAM should be saved.");
puts("\t\tDo note that noload-save implies that save files will be deleted and overwritten.");
#ifdef HAVE_NETPLAY
puts("\t-H/--host: Host netplay as player 1.");
puts("\t-C/--connect: Connect to netplay as player 2.");
puts("\t--port: Port used to netplay. Default is 55435.");
puts("\t-F/--frames: Sync frames when using netplay.");
puts("\t--spectate: Netplay will become spectating mode.");
puts("\t\tHost can live stream the game content to players that connect.");
puts("\t\tHowever, the client will not be able to play. Multiple clients can connect to the host.");
puts("\t--nick: Picks a nickname for use with netplay. Not mandatory.");
#endif
#ifdef HAVE_NETWORK_CMD
puts("\t--command: Sends a command over UDP to an already running RetroArch process.");
puts("\t\tAvailable commands are listed if command is invalid.");
#endif
#ifdef HAVE_FFMPEG
puts("\t-r/--record: Path to record video file.\n\t\tUsing .mkv extension is recommended.");
puts("\t--recordconfig: Path to settings used during recording.");
puts("\t--size: Overrides output video size when recording with FFmpeg (format: WIDTHxHEIGHT).");
#endif
puts("\t-v/--verbose: Verbose logging.");
puts("\t-U/--ups: Specifies path for UPS patch that will be applied to ROM.");
puts("\t--bps: Specifies path for BPS patch that will be applied to ROM.");
puts("\t--ips: Specifies path for IPS patch that will be applied to ROM.");
puts("\t--no-patch: Disables all forms of rom patching.");
puts("\t-X/--xml: Specifies path to XML memory map.");
puts("\t-D/--detach: Detach RetroArch from the running console. Not relevant for all platforms.\n");
}
static void set_basename(const char *path)
{
strlcpy(g_extern.fullpath, path, sizeof(g_extern.fullpath));
strlcpy(g_extern.basename, path, sizeof(g_extern.basename));
char *dst = strrchr(g_extern.basename, '.');
if (dst)
*dst = '\0';
}
static void set_paths(const char *path)
{
set_basename(path);
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name_srm, g_extern.basename, ".srm", sizeof(g_extern.savefile_name_srm));
if (!g_extern.has_set_state_path)
fill_pathname_noext(g_extern.savestate_name, g_extern.basename, ".state", sizeof(g_extern.savestate_name));
if (path_is_directory(g_extern.savefile_name_srm))
{
fill_pathname_dir(g_extern.savefile_name_srm, g_extern.basename, ".srm", sizeof(g_extern.savefile_name_srm));
RARCH_LOG("Redirecting save file to \"%s\".\n", g_extern.savefile_name_srm);
}
if (path_is_directory(g_extern.savestate_name))
{
fill_pathname_dir(g_extern.savestate_name, g_extern.basename, ".state", sizeof(g_extern.savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n", g_extern.savestate_name);
}
// If this is already set,
// do not overwrite it as this was initialized before in a menu or otherwise.
if (!*g_settings.system_directory)
fill_pathname_basedir(g_settings.system_directory, path, sizeof(g_settings.system_directory));
if (*g_extern.config_path && path_is_directory(g_extern.config_path))
{
fill_pathname_dir(g_extern.config_path, g_extern.basename, ".cfg", sizeof(g_extern.config_path));
RARCH_LOG("Redirecting config file to \"%s\".\n", g_extern.config_path);
if (!path_file_exists(g_extern.config_path))
{
*g_extern.config_path = '\0';
RARCH_LOG("Did not find config file. Using system default.\n");
}
}
}
static void verify_stdin_paths(void)
{
if (!*g_extern.savefile_name_srm)
{
RARCH_ERR("Need savefile path argument (--save) when reading rom from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (!*g_extern.savestate_name)
{
RARCH_ERR("Need savestate path argument (--savestate) when reading rom from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
if (path_is_directory(g_extern.savefile_name_srm))
{
RARCH_ERR("Cannot specify directory for path argument (--save) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (path_is_directory(g_extern.savestate_name))
{
RARCH_ERR("Cannot specify directory for path argument (--savestate) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
else if (path_is_directory(g_extern.config_path))
{
RARCH_ERR("Cannot specify directory for config file (--config) when reading from stdin.\n");
print_help();
rarch_fail(1, "verify_stdin_paths()");
}
driver.stdin_claimed = true;
}
static void parse_input(int argc, char *argv[])
{
if (argc < 2)
{
print_help();
rarch_fail(1, "parse_input()");
}
// Make sure we can call parse_input several times ...
optind = 1;
int val = 0;
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "fullscreen", 0, NULL, 'f' },
#ifdef HAVE_FFMPEG
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, &val, 'R' },
{ "size", 1, &val, 's' },
#endif
{ "verbose", 0, NULL, 'v' },
{ "gameboy", 1, NULL, 'g' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, &val, 'C' },
{ "mouse", 1, NULL, 'm' },
{ "nodevice", 1, NULL, 'N' },
{ "scope", 0, NULL, 'p' },
{ "justifier", 0, NULL, 'j' },
{ "justifiers", 0, NULL, 'J' },
{ "dualanalog", 1, NULL, 'A' },
{ "savestate", 1, NULL, 'S' },
{ "bsx", 1, NULL, 'b' },
{ "bsxslot", 1, NULL, 'B' },
{ "multitap", 0, NULL, '4' },
{ "sufamiA", 1, NULL, 'Y' },
{ "sufamiB", 1, NULL, 'Z' },
#ifdef HAVE_BSV_MOVIE
{ "bsvplay", 1, NULL, 'P' },
{ "bsvrecord", 1, NULL, 'R' },
{ "sram-mode", 1, NULL, 'M' },
#endif
#ifdef HAVE_NETPLAY
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, &val, 'p' },
{ "spectate", 0, &val, 'S' },
{ "nick", 1, &val, 'N' },
#endif
#ifdef HAVE_NETWORK_CMD
{ "command", 1, &val, 'c' },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, &val, 'B' },
{ "ips", 1, &val, 'I' },
{ "no-patch", 0, &val, 'n' },
{ "xml", 1, NULL, 'X' },
{ "detach", 0, NULL, 'D' },
{ "features", 0, &val, 'f' },
{ NULL, 0, NULL, 0 }
};
#ifdef HAVE_FFMPEG
#define FFMPEG_RECORD_ARG "r:"
#else
#define FFMPEG_RECORD_ARG
#endif
#ifdef HAVE_DYNAMIC
#define DYNAMIC_ARG "L:"
#else
#define DYNAMIC_ARG
#endif
#ifdef HAVE_NETPLAY
#define NETPLAY_ARG "HC:F:"
#else
#define NETPLAY_ARG
#endif
#ifdef HAVE_BSV_MOVIE
#define BSV_MOVIE_ARG "P:R:M:"
#else
#define BSV_MOVIE_ARG
#endif
const char *optstring = "hs:fvS:m:p4jJA:g:b:c:B:Y:Z:U:DN:X:" BSV_MOVIE_ARG NETPLAY_ARG DYNAMIC_ARG FFMPEG_RECORD_ARG;
#ifdef RARCH_CONSOLE
// hack - done for reentrancy reasons
g_extern.has_set_save_path = false;
g_extern.has_set_state_path = false;
#endif
for (;;)
{
val = 0;
int c = getopt_long(argc, argv, optstring, opts, NULL);
int port;
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case '4':
g_extern.has_multitap = true;
break;
case 'j':
g_extern.has_justifier = true;
break;
case 'J':
g_extern.has_justifiers = true;
break;
case 'A':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Connect dualanalog to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.has_dualanalog[port - 1] = true;
break;
case 's':
strlcpy(g_extern.savefile_name_srm, optarg, sizeof(g_extern.savefile_name_srm));
g_extern.has_set_save_path = true;
break;
case 'f':
g_extern.force_fullscreen = true;
break;
case 'g':
strlcpy(g_extern.gb_rom_path, optarg, sizeof(g_extern.gb_rom_path));
g_extern.game_type = RARCH_CART_SGB;
break;
case 'b':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = RARCH_CART_BSX;
break;
case 'B':
strlcpy(g_extern.bsx_rom_path, optarg, sizeof(g_extern.bsx_rom_path));
g_extern.game_type = RARCH_CART_BSX_SLOTTED;
break;
case 'Y':
strlcpy(g_extern.sufami_rom_path[0], optarg, sizeof(g_extern.sufami_rom_path[0]));
g_extern.game_type = RARCH_CART_SUFAMI;
break;
case 'Z':
strlcpy(g_extern.sufami_rom_path[1], optarg, sizeof(g_extern.sufami_rom_path[1]));
g_extern.game_type = RARCH_CART_SUFAMI;
break;
case 'S':
strlcpy(g_extern.savestate_name, optarg, sizeof(g_extern.savestate_name));
g_extern.has_set_state_path = true;
break;
case 'v':
g_extern.verbose = true;
break;
case 'm':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Connect mouse to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.has_mouse[port - 1] = true;
break;
case 'N':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_PLAYERS)
{
RARCH_ERR("Disconnect device from a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_extern.disconnect_device[port - 1] = true;
break;
case 'p':
g_extern.has_scope = true;
break;
case 'c':