clean up c
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lif
parent
cbac106862
commit
6928958d30
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@ -34,5 +34,7 @@ add_subdirectory(mgba)
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include_directories(SDL/include)
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include_directories(mgba/include)
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#set_source_files_properties(main.c PROPERTIES COMPILE_FLAGS "-Wall -Werror -pedantic -std=c89")
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add_executable(cgbwebcam main.c)
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target_link_libraries(cgbwebcam SDL3-static mgba)
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99
main.c
99
main.c
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@ -1,5 +1,3 @@
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#include <stdint.h>
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#define SDL_MAIN_USE_CALLBACKS 1
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#include "SDL3/SDL_blendmode.h"
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#include "SDL3/SDL_error.h"
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@ -22,6 +20,14 @@
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#define NUM_CHANNELS 3
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#define FRAMESKIP_LIMIT 20
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#if BYTES_PER_PIXEL == 4
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#define SCREEN_FMT SDL_PIXELFORMAT_XBGR8888
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#elif BYTES_PER_PIXEL == 2
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#define SCREEN_FMT SDL_PIXELFORMAT_XBGR1555
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#else
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#error "unknown pixel format"
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#endif
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static SDL_Window* window = NULL;
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static SDL_Renderer* renderer = NULL;
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static SDL_Camera* camera = NULL;
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@ -52,9 +58,9 @@ enum mColorFormat pixfmt_sdl_to_mgba(uint32_t sdl_fmt) {
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case SDL_PIXELFORMAT_XBGR8888: return mCOLOR_XBGR8;
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case SDL_PIXELFORMAT_XRGB1555: return mCOLOR_RGB5;
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case SDL_PIXELFORMAT_XRGB8888: return mCOLOR_XRGB8;
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// does this even make sense?
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/* does this even make sense? */
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case SDL_PIXELFORMAT_INDEX8: return mCOLOR_PAL8;
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// others don't quite match between mgba and SDL
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/* others don't quite match between mgba and SDL */
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default: return mCOLOR_ANY;
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}
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}
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@ -123,27 +129,15 @@ void myRequestImageBlue(struct mImageSource* self, const void** buf, size_t* str
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}
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}
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const struct mImageSource gb_img_src[3] = {
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{
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.requestImage = myRequestImageRed,
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.startRequestImage = myStartRequestImageRed,
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.stopRequestImage = myStopRequestImageRed,
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},
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{
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.requestImage = myRequestImageGreen,
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.startRequestImage = myStartRequestImageGreen,
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.stopRequestImage = myStopRequestImageGreen,
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},
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{
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.requestImage = myRequestImageBlue,
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.startRequestImage = myStartRequestImageBlue,
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.stopRequestImage = myStopRequestImageBlue,
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},
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};
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struct mImageSource gb_img_src[3];
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int SDL_AppInit(int argc, char *argv[]) {
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int devcount = 0;
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int i;
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unsigned w, h;
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SDL_CameraDeviceID *devices;
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SDL_CameraDeviceID devid;
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struct mArguments args;
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bool parsed = mArgumentsParse(&args, argc, argv, NULL, 0);
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@ -156,6 +150,16 @@ int SDL_AppInit(int argc, char *argv[]) {
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return -1;
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}
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gb_img_src[0].requestImage = myRequestImageRed;
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gb_img_src[0].startRequestImage = myStartRequestImageRed;
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gb_img_src[0].stopRequestImage = myStopRequestImageRed;
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gb_img_src[1].requestImage = myRequestImageGreen;
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gb_img_src[1].startRequestImage = myStartRequestImageGreen;
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gb_img_src[1].stopRequestImage = myStopRequestImageGreen;
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gb_img_src[2].requestImage = myRequestImageBlue;
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gb_img_src[2].startRequestImage = myStartRequestImageBlue;
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gb_img_src[2].stopRequestImage = myStopRequestImageBlue;
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for (i = 0; i < NUM_CHANNELS; i++) {
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struct mCore* core = mCoreFind(args.fname);
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if (!core || !core->init(core)) {
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@ -169,7 +173,7 @@ int SDL_AppInit(int argc, char *argv[]) {
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}
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mCoreConfigInit(&core->config, NULL);
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//mCoreConfigLoad(&core->config);
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/*mCoreConfigLoad(&core->config);*/
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mArgumentsApply(&args, NULL, 0, &core->config);
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mCoreConfigSetDefaultValue(&core->config, "idleOptimization", "detect");
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@ -180,8 +184,7 @@ int SDL_AppInit(int argc, char *argv[]) {
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cores[i] = core;
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}
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unsigned w, h;
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// without loss of generality
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/* without loss of generality */
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cores[0]->currentVideoSize(cores[0], &w, &h);
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_CAMERA) != 0) {
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@ -203,7 +206,7 @@ int SDL_AppInit(int argc, char *argv[]) {
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SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
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SDL_CameraDeviceID *devices = SDL_GetCameraDevices(&devcount);
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devices = SDL_GetCameraDevices(&devcount);
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if (!devices) {
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SDL_Log("SDL_GetCameraDevices failed: %s", SDL_GetError());
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return -1;
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@ -226,7 +229,7 @@ int SDL_AppInit(int argc, char *argv[]) {
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SDL_free(name);
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}
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const SDL_CameraDeviceID devid = front_camera ? front_camera : devices[0]; /* no front-facing? just take the first one. */
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devid = front_camera ? front_camera : devices[0]; /* no front-facing? just take the first one. */
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SDL_free(devices);
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if (!devid) {
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@ -234,36 +237,28 @@ int SDL_AppInit(int argc, char *argv[]) {
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return -1;
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}
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SDL_CameraSpec init_spec = {
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.format = SDL_PIXELFORMAT_XBGR1555,
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.width = 320,
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.height = 240,
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.interval_numerator = 1,
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.interval_denominator = 30,
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};
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camera = SDL_OpenCameraDevice(devid, &init_spec);
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spec.format = SDL_PIXELFORMAT_XBGR1555;
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spec.width = 320;
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spec.height = 240;
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spec.interval_numerator = 1;
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spec.interval_denominator = 30;
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camera = SDL_OpenCameraDevice(devid, &spec);
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if (!camera) {
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SDL_Log("Failed to open camera device: %s", SDL_GetError());
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return -1;
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}
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#if BYTES_PER_PIXEL == 4
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uint32_t fmt = SDL_PIXELFORMAT_XBGR8888;
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#elif BYTES_PER_PIXEL == 2
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uint32_t fmt = SDL_PIXELFORMAT_XBGR1555;
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#else
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#error "unknown pixel format"
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#endif
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for (i = 0; i < NUM_CHANNELS; i++) {
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int j;
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struct mCore* core = cores[i];
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SDL_Texture* texture;
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SDL_Surface* screen = SDL_CreateSurface(w, h, SCREEN_FMT);
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SDL_Surface* screen = SDL_CreateSurface(w, h, fmt);
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core->setVideoBuffer(core, screen->pixels, screen->pitch / BYTES_PER_PIXEL);
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screens[i] = screen;
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/* Create texture with appropriate format */
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SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, screens[0]);
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texture = SDL_CreateTextureFromSurface(renderer, screens[0]);
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if (!texture) {
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SDL_Log("Couldn't create texture: %s", SDL_GetError());
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return -1;
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@ -271,7 +266,7 @@ int SDL_AppInit(int argc, char *argv[]) {
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SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_ADD);
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textures[i] = texture;
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core->setPeripheral(core, mPERIPH_IMAGE_SOURCE, (void*)&gb_img_src[i]);
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core->setPeripheral(core, mPERIPH_IMAGE_SOURCE, &gb_img_src[i]);
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core->reset(core);
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@ -279,19 +274,19 @@ int SDL_AppInit(int argc, char *argv[]) {
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for (j = 0; j < 600; j++) {
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core->runFrame(core);
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}
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core->setKeys(core, 1); // title screen
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core->setKeys(core, 1); /* title screen */
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core->runFrame(core);
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core->setKeys(core, 0);
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for (j = 0; j < 25; j++) {
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core->runFrame(core);
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}
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core->setKeys(core, 1); // select 'shoot'
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core->setKeys(core, 1); /* select 'shoot' */
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core->runFrame(core);
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core->setKeys(core, 0);
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for (j = 0; j < 75; j++) {
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core->runFrame(core);
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}
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core->setKeys(core, 1); // select 'shoot' again
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core->setKeys(core, 1); /* select 'shoot' again */
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core->runFrame(core);
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core->setKeys(core, 0);
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for (j = 0; j < 100; j++) {
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@ -388,11 +383,12 @@ int SDL_AppIterate(void) {
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SDL_Surface *frame = camera ? SDL_AcquireCameraFrame(camera, ×tampNS) : NULL;
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if (frame) {
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//SDL_Log("new frame %d x %d %s", frame->w, frame->h, SDL_GetPixelFormatName(frame->format->format));
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texture_updated = SDL_FALSE;
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struct SDL_Rect srcrect = frame->clip_rect;
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int w = srcrect.h * scaled->clip_rect.w / scaled->clip_rect.h;
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/*SDL_Log("new frame %d x %d %s", frame->w, frame->h, SDL_GetPixelFormatName(frame->format->format));*/
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texture_updated = SDL_FALSE;
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if (w >= srcrect.w) {
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srcrect.x = (srcrect.w - w) / 2;
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srcrect.w = w;
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@ -401,8 +397,7 @@ int SDL_AppIterate(void) {
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srcrect.y = (srcrect.h - h) / 2;
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srcrect.h = h;
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}
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int res = SDL_BlitSurfaceScaled(frame, &srcrect, scaled, &scaled->clip_rect, SDL_SCALEMODE_NEAREST);
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if (res != 0) {
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if (SDL_BlitSurfaceScaled(frame, &srcrect, scaled, &scaled->clip_rect, SDL_SCALEMODE_NEAREST) < 0) {
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SDL_Log("failed to scale: %s", SDL_GetError());
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}
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