audio_format_modplug.c

BYTESPERSAMPLE modplug_close modplug_init modplug_open modplug_read modplug_seek SAMPLERATE

int modplug_open ( struct audio_file *  fd, const char *  ext   ) Open a modplug file. Definition at line 87 of file audio_format_modplug.c. { struct modplug_drv_data *data; const char *title; /* libmodplug doesn't have good magic. Match by extension */ if (ext == NULL) return (-1); if (g_ascii_strcasecmp(ext, "mod") != 0 && g_ascii_strcasecmp(ext, "s3m") != 0 && g_ascii_strcasecmp(ext, "it") != 0 && g_ascii_strcasecmp(ext, "xm") != 0) return (-1); /* If only we could memory map the internet... */ if (fd->stream) return (-1); data = g_slice_new(struct modplug_drv_data); /* Calculate file length */ fseek(fd->fp, 0, SEEK_END); data->map_len = ftello(fd->fp); /* Memory map the entire file */ data->map_base = mmap(NULL, data->map_len, PROT_READ, MAP_PRIVATE, fileno(fd->fp), 0); if (data->map_base == MAP_FAILED) goto free; /* Now feed it to modplug */ modplug_init(); data->modplug = ModPlug_Load(data->map_base, data->map_len); if (data->modplug != NULL) { data->sample = 0; fd->drv_data = data; fd->srate = SAMPLERATE; fd->channels = 2; fd->time_len = ModPlug_GetLength(data->modplug) / 1000; title = ModPlug_GetName(data->modplug); if (title != NULL && title[0] != '\0') fd->title = g_strdup(title); return (0); } munmap(data->map_base, data->map_len); free: g_slice_free(struct modplug_drv_data, data); return (1); } Here is the call graph for this function: