diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/sdl.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/src/sdl.c b/src/sdl.c index 8deb8ca..21ce1a8 100644 --- a/src/sdl.c +++ b/src/sdl.c @@ -35,7 +35,9 @@ void audio_callback(void *userdata_void, unsigned char *stream_void, int const l } } -int main(void) { +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; @@ -72,6 +74,21 @@ int main(void) { }; 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; @@ -105,14 +122,7 @@ int main(void) { break; } struct userdata newuser = {.callback = NULL, .freefunc = NULL}; - int (*module_func)(struct blob *, struct userdata *) = NULL; - size_t len = strlen(evt.drop.file); - #define ext(extension) memcmp(evt.drop.file + len - sizeof (extension) + 1, extension, sizeof (extension)) - if ((ext(".mptm") && ext(".mod") && ext(".xm") && ext(".s3m") && ext(".it")) == 0) { - module_func = module_openmpt; - } else if ((ext(".mid") && ext(".midi")) == 0) { - module_func = module_fluidsynth; - } + 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); @@ -155,6 +165,18 @@ int main(void) { 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"); |