Working example
Signed-off-by: Mahyar Koshkouei <mahyar.koshkouei@gmail.com>
This commit is contained in:
Mahyar Koshkouei
parent
3273ac13cf
commit
3e888a14c1
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@ -0,0 +1,139 @@
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STATIC_LINKING := 0
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AR := ar
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ifeq ($(platform),)
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platform = unix
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ifeq ($(shell uname -a),)
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platform = win
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else ifneq ($(findstring MINGW,$(shell uname -a)),)
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platform = win
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else ifneq ($(findstring Darwin,$(shell uname -a)),)
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platform = osx
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else ifneq ($(findstring win,$(shell uname -a)),)
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platform = win
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endif
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endif
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# system platform
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system_platform = unix
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ifeq ($(shell uname -a),)
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EXE_EXT = .exe
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system_platform = win
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else ifneq ($(findstring Darwin,$(shell uname -a)),)
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system_platform = osx
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arch = intel
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ifeq ($(shell uname -p),powerpc)
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arch = ppc
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endif
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else ifneq ($(findstring MINGW,$(shell uname -a)),)
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system_platform = win
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endif
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TARGET_NAME := mpv
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LIBM = -lm
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ifeq ($(ARCHFLAGS),)
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ifeq ($(archs),ppc)
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ARCHFLAGS = -arch ppc -arch ppc64
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else
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ARCHFLAGS = -arch i386 -arch x86_64
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endif
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endif
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ifeq ($(platform), osx)
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ifndef ($(NOUNIVERSAL))
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CFLAGS += $(ARCHFLAGS)
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LFLAGS += $(ARCHFLAGS)
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endif
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endif
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ifeq ($(STATIC_LINKING), 1)
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EXT := a
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endif
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ifeq ($(platform), unix)
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EXT ?= so
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TARGET := $(TARGET_NAME)_libretro.$(EXT)
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
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else ifeq ($(platform), linux-portable)
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TARGET := $(TARGET_NAME)_libretro.$(EXT)
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fpic := -fPIC -nostdlib
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SHARED := -shared -Wl,--version-script=link.T
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LIBM :=
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else ifneq (,$(findstring osx,$(platform)))
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TARGET := $(TARGET_NAME)_libretro.dylib
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fpic := -fPIC
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SHARED := -dynamiclib
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else ifneq (,$(findstring ios,$(platform)))
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TARGET := $(TARGET_NAME)_libretro_ios.dylib
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fpic := -fPIC
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SHARED := -dynamiclib
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ifeq ($(IOSSDK),)
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IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
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endif
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DEFINES := -DIOS
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CC = cc -arch armv7 -isysroot $(IOSSDK)
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ifeq ($(platform),ios9)
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CC += -miphoneos-version-min=8.0
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CFLAGS += -miphoneos-version-min=8.0
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else
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CC += -miphoneos-version-min=5.0
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CFLAGS += -miphoneos-version-min=5.0
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endif
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else ifneq (,$(findstring qnx,$(platform)))
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TARGET := $(TARGET_NAME)_libretro_qnx.so
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
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else ifeq ($(platform), emscripten)
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TARGET := $(TARGET_NAME)_libretro_emscripten.bc
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
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else ifeq ($(platform), vita)
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TARGET := $(TARGET_NAME)_vita.a
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CC = arm-vita-eabi-gcc
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AR = arm-vita-eabi-ar
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CFLAGS += -Wl,-q -Wall -O3
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STATIC_LINKING = 1
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else
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CC = gcc
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TARGET := $(TARGET_NAME)_libretro.dll
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SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=link.T -Wl,--no-undefined
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endif
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LDFLAGS += $(LIBM) -lmpv
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ifeq ($(DEBUG), 1)
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CFLAGS += -O0 -g
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else
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CFLAGS += -O3
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endif
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OBJECTS := mpv-libretro.o
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CFLAGS += -Wall -pedantic $(fpic)
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ifneq (,$(findstring qnx,$(platform)))
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CFLAGS += -Wc,-std=c99
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else
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CFLAGS += -std=gnu99
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endif
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all: $(TARGET)
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$(TARGET): $(OBJECTS)
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ifeq ($(STATIC_LINKING), 1)
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$(AR) rcs $@ $(OBJECTS)
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else
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$(CC) $(fpic) $(SHARED) $(INCLUDES) -o $@ $(OBJECTS) $(LDFLAGS)
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endif
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%.o: %.c
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$(CC) $(CFLAGS) $(fpic) -c -o $@ $<
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clean:
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rm -f $(OBJECTS) $(TARGET)
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.PHONY: clean
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222
mpv-libretro.c
222
mpv-libretro.c
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@ -1,18 +1,74 @@
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include <mpv/client.h>
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#include <mpv/opengl_cb.h>
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#include "libretro.h"
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static struct retro_log_callback logging;
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static retro_log_printf_t log_cb;
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static retro_video_refresh_t video_cb;
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static retro_audio_sample_t audio_cb;
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static retro_audio_sample_batch_t audio_batch_cb;
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static retro_environment_t environ_cb;
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static retro_input_poll_t input_poll_cb;
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static retro_input_state_t input_state_cb;
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static mpv_handle *mpv;
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static mpv_opengl_cb_context *mpv_gl;
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static void fallback_log(enum retro_log_level level, const char *fmt, ...)
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{
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(void)level;
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va_list va;
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va_start(va, fmt);
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vfprintf(stderr, fmt, va);
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va_end(va);
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}
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void retro_init(void)
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{
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mpv = mpv_create();
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log_cb(RETRO_LOG_DEBUG, "Test\n");
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if(!mpv)
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log_cb(RETRO_LOG_ERROR, "failed creating context\n");
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if(mpv_initialize(mpv) < 0)
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log_cb(RETRO_LOG_ERROR, "mpv init failed");
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// The OpenGL API is somewhat separate from the normal mpv API. This only
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// returns NULL if no OpenGL support is compiled.
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mpv_opengl_cb_context *mpv_gl = mpv_get_sub_api(mpv, MPV_SUB_API_OPENGL_CB);
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if(!mpv_gl)
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{
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log_cb(RETRO_LOG_ERROR, "failed to create mpv GL API handle");
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}
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return;
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}
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void retro_deinit(void)
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{
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mpv_terminate_destroy(mpv);
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return;
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}
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unsigned retro_api_version(void)
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{
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return RETRO_API_VERSION;
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}
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void retro_init(void)
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{
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return;
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}
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void retro_set_controller_port_device(unsigned port, unsigned device)
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{
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log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
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return;
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}
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void retro_get_system_info(struct retro_system_info *info)
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@ -24,3 +80,159 @@ void retro_get_system_info(struct retro_system_info *info)
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info->valid_extensions = "mkv|avi|f4v|f4f|3gp|ogm|flv|mp4|mp3|flac|ogg|m4a|webm|3g2|mov|wmv|mpg|mpeg|vob|asf|divx|m2p|m2ts|ps|ts|mxf|wma|wav";
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}
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void retro_get_system_av_info(struct retro_system_av_info *info)
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{
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float sampling_rate = 30000.0f;
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struct retro_variable var = { .key = "test_aspect" };
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environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var);
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var.key = "test_samplerate";
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if(environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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sampling_rate = strtof(var.value, NULL);
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info->timing = (struct retro_system_timing) {
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.fps = 60.0,
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.sample_rate = sampling_rate,
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};
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info->geometry = (struct retro_game_geometry) {
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.base_width = 320,
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.base_height = 240,
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.max_width = 320,
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.max_height = 240,
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};
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}
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void retro_set_environment(retro_environment_t cb)
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{
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environ_cb = cb;
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static const struct retro_variable vars[] = {
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{ "test_samplerate", "Sample Rate; 30000|20000" },
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{ "test_opt0", "Test option #0; false|true" },
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{ "test_opt1", "Test option #1; 0" },
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{ "test_opt2", "Test option #2; 0|1|foo|3" },
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{ NULL, NULL },
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};
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cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
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bool no_content = true;
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cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_content);
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if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
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log_cb = logging.log;
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else
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log_cb = fallback_log;
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}
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void retro_set_audio_sample(retro_audio_sample_t cb)
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{
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audio_cb = cb;
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}
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void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
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{
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audio_batch_cb = cb;
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}
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void retro_set_input_poll(retro_input_poll_t cb)
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{
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input_poll_cb = cb;
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}
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void retro_set_input_state(retro_input_state_t cb)
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{
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input_state_cb = cb;
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}
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void retro_set_video_refresh(retro_video_refresh_t cb)
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{
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video_cb = cb;
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}
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void retro_reset(void)
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{
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return;
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}
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static void audio_callback(void)
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{
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static unsigned phase;
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for (unsigned i = 0; i < 30000 / 60; i++, phase++)
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{
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int16_t val = 0x800 * sinf(2.0f * M_PI * phase * 300.0f / 30000.0f);
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audio_cb(val, val);
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}
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phase %= 100;
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}
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void retro_run(void)
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{
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audio_callback();
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return;
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}
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/* No save-state support */
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size_t retro_serialize_size(void)
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{
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return 0;
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}
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bool retro_serialize(void *data_, size_t size)
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{
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return true;
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}
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bool retro_unserialize(const void *data_, size_t size)
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{
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return true;
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}
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bool retro_load_game(const struct retro_game_info *info)
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{
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const char *cmd[] = {"loadfile", info->path, NULL};
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//mpv_command(mpv, cmd);
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return true;
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}
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bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
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{
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return false;
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}
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void retro_unload_game(void)
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{
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return;
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}
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unsigned retro_get_region(void)
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{
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return RETRO_REGION_NTSC;
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}
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void *retro_get_memory_data(unsigned id)
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{
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return NULL;
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}
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size_t retro_get_memory_size(unsigned id)
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{
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return 0;
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}
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void retro_cheat_reset(void)
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{
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return;
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}
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void retro_cheat_set(unsigned index, bool enabled, const char *code)
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{
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return;
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}
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