cleanup

1 files changed, 0 insertions, 214 deletions

diff --git a/src/sdl.c b/src/sdl.c
deleted file mode 100644
index 21ce1a8..0000000
--- a/src/sdl.c
+++ /dev/null
@@ -1,214 +0,0 @@
-#define SDL_MAIN_HANDLED
-#include <SDL2/SDL.h>
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "include.h"
-
-int module_openmpt(struct blob *file, struct userdata *userdata);
-int module_fluidsynth(struct blob *file, struct userdata *userdata);
-
-#define eprintf(...) fprintf(stderr, __VA_ARGS__)
-
-static const int WINDOW_WIDTH = 160, WINDOW_HEIGHT = 90;
-
-SDL_Window *window = NULL;
-
-struct blob load_file(char const *const name);
-
-struct userdata userdata = {
-	.callback = NULL,
-	.user = NULL,
-};
-
-void audio_callback(void *userdata_void, unsigned char *stream_void, int const length) {
-	struct userdata *user = userdata_void;
-	float *stream = (float *) stream_void;
-	if (user->callback == NULL) {
-		for (int i = 0; i < length / sizeof (float); i++) {
-			stream[i] = 0.0;
-		}
-	} else {
-		user->callback(user->user, stream_void, length);
-	}
-}
-
-int (*file_ext(char *file))(struct blob *, struct userdata *);
-
-int main(int argc, char **argv) {
-	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
-		eprintf("failed to init SDL: %s\n");
-		return EXIT_FAILURE;
-	}
-	
-	SDL_StopTextInput();
-	
-	if ((window = SDL_CreateWindow("mu-sdl", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN)) == NULL) {
-		eprintf("failed to create a window: %s\n");
-		SDL_Quit();
-		return EXIT_FAILURE;
-	}
-	
-	SDL_Renderer *renderer;
-	if ((renderer = SDL_CreateRenderer(window, -1, 0)) == NULL) {
-		eprintf("failed to create a renderer: %s\n");
-		SDL_DestroyWindow(window);
-		SDL_Quit();
-		return EXIT_FAILURE;
-	}
-	
-	SDL_ShowWindow(window);
-	SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
-	SDL_RenderClear(renderer);
-	SDL_RenderPresent(renderer);
-	
-	SDL_AudioSpec desired = {
-		.freq = 48000,
-		.format = AUDIO_F32SYS,
-		.channels = 2,
-		.samples = 8096,
-		.callback = audio_callback,
-		.userdata = &userdata,
-	};
-	SDL_AudioDeviceID audio = SDL_OpenAudioDevice(NULL, 0, &desired, NULL, 0);
-	
-	if (argc == 2) {
-		int (*module_func)(struct blob *, struct userdata *) = file_ext(argv[1]);
-		if (module_func == NULL) {
-			eprintf("%s: unrecognized file extension\n", argv[1]);
-			goto arg_load_done;
-		}
-		struct blob file = load_file(argv[1]);
-		if (file.data == NULL) {
-			perror(argv[1]);
-			goto arg_load_done;
-		}
-		module_func(&file, &userdata);
-	}
-	arg_load_done:
-	
-	SDL_PauseAudioDevice(audio, 0);
-	while (true) {
-		SDL_Event evt;
-		while (SDL_PollEvent(&evt)) {
-			switch (evt.type) {
-				case SDL_QUIT:
-					goto done;
-
-				case SDL_WINDOWEVENT:
-					SDL_RenderClear(renderer);
-					SDL_RenderPresent(renderer);
-					break;
-				
-				case SDL_KEYDOWN:
-					// ^Q
-					if (evt.key.keysym.sym == SDLK_q && evt.key.keysym.mod & KMOD_CTRL) {
-						goto done;
-					}
-					// ESC
-					if (evt.key.keysym.sym == SDLK_ESCAPE) {
-						goto done;
-					}
-					break;
-				
-				case SDL_DROPFILE:
-					puts(evt.drop.file);
-					struct blob file = load_file(evt.drop.file);
-					if (file.data == NULL) {
-						perror(evt.drop.file);
-						SDL_free(evt.drop.file);
-						break;
-					}
-					struct userdata newuser = {.callback = NULL, .freefunc = NULL};
-					int (*module_func)(struct blob *, struct userdata *) = file_ext(evt.drop.file);
-					if (module_func == NULL) {
-						eprintf("%s: unrecognized file extension\n", evt.drop.file);
-						free(file.data);
-						break;
-					}
-					SDL_free(evt.drop.file);
-					if (module_func(&file, &newuser)) {
-						// error
-					} else {
-						SDL_LockAudioDevice(audio);
-						if (userdata.freefunc != NULL) {
-							userdata.freefunc(userdata.user);
-						}
-						userdata = newuser;
-						SDL_UnlockAudioDevice(audio);
-					}
-					free(file.data);
-					break;
-				
-				default:
-			}
-		}
-	}
-	done:
-	if (userdata.freefunc != NULL) {
-		SDL_LockAudioDevice(audio);
-		userdata.freefunc(userdata.user);
-		SDL_PauseAudioDevice(audio, 1);
-		SDL_UnlockAudioDevice(audio);
-	}
-	
-	SDL_DestroyRenderer(renderer);
-	
-	SDL_DestroyWindow(window);
-	
-	SDL_CloseAudioDevice(audio);
-	
-	SDL_Quit();
-	
-	return EXIT_SUCCESS;
-}
-
-int (*file_ext(char *file))(struct blob *, struct userdata *) {
-	size_t len = strlen(file);
-	#define ext(extension) memcmp(file + len - sizeof (extension) + 1, extension, sizeof (extension))
-	if ((ext(".mptm") && ext(".mod") && ext(".xm") && ext(".s3m") && ext(".it")) == 0) {
-		return module_openmpt;
-	} else if ((ext(".mid") && ext(".midi")) == 0) {
-		return module_fluidsynth;
-	}
-	#undef ext
-	return NULL;
-}
-
-struct blob load_file(char const *const name) {
-	const size_t START_SIZE = 1;
-	FILE *file = fopen(name, "rb");
-	if (file == NULL) {
-		return (struct blob) {.data = NULL};
-	}
-	void *data = malloc(START_SIZE);
-	size_t allocated = START_SIZE;
-	size_t used = 0;
-	while (1) {
-		size_t read = fread(data + used, 1, allocated - used, file);
-		if (read != allocated - used) {
-			used += read;
-			break;
-		}
-		used += read;
-		allocated *= 2;
-		void *const newdata = realloc(data, allocated);
-		if (newdata == NULL) {
-			goto realloc_error;
-		}
-		data = newdata;
-	}
-	void *const newdata = realloc(data, used);
-	if (newdata == NULL && used != 0) {
-		goto realloc_error;
-	}
-	fclose(file);
-	return (struct blob) {.data = newdata, .size = used};
-	
-	realloc_error:
-	free(data);
-	fclose(file);
-	return (struct blob) {.data = NULL};
-}