/* Load a music file */ Mix_Music *Mix_LoadMUS(const char *file) { FILE *fp; char *ext; Uint8 magic[5], moremagic[9]; Mix_Music *music; /* Figure out what kind of file this is */ fp = fopen(file, "rb"); if ( (fp == NULL) || !fread(magic, 4, 1, fp) ) { if ( fp != NULL ) { fclose(fp); } Mix_SetError("Couldn't read from '%s'", file); return(NULL); } if (!fread(moremagic, 8, 1, fp)) { Mix_SetError("Couldn't read from '%s'", file); return(NULL); } magic[4] = '\0'; moremagic[8] = '\0'; fclose(fp); /* Figure out the file extension, so we can determine the type */ ext = strrchr(file, '.'); if ( ext ) ++ext; /* skip the dot in the extension */ /* Allocate memory for the music structure */ music = (Mix_Music *)malloc(sizeof(Mix_Music)); if ( music == NULL ) { Mix_SetError("Out of memory"); return(NULL); } music->error = 0; #ifdef CMD_MUSIC if ( music_cmd ) { music->type = MUS_CMD; music->data.cmd = MusicCMD_LoadSong(music_cmd, file); if ( music->data.cmd == NULL ) { music->error = 1; } } else #endif #ifdef WAV_MUSIC /* WAVE files have the magic four bytes "RIFF" AIFF files have the magic 12 bytes "FORM" XXXX "AIFF" */ if ( (ext && MIX_string_equals(ext, "WAV")) || ((strcmp((char *)magic, "RIFF") == 0) && (strcmp((char *)(moremagic+4), "WAVE") == 0)) || (strcmp((char *)magic, "FORM") == 0) ) { music->type = MUS_WAV; music->data.wave = WAVStream_LoadSong(file, (char *)magic); if ( music->data.wave == NULL ) { //Mix_SetError("Unable to load WAV file"); music->error = 1; } } else #endif #ifdef MID_MUSIC /* MIDI files have the magic four bytes "MThd" */ if ( (ext && MIX_string_equals(ext, "MID")) || (ext && MIX_string_equals(ext, "MIDI")) || strcmp((char *)magic, "MThd") == 0 || ( strcmp((char *)magic, "RIFF") == 0 && strcmp((char *)(moremagic+4), "RMID") == 0 ) ) { music->type = MUS_MID; #ifdef USE_NATIVE_MIDI if ( native_midi_ok ) { music->data.nativemidi = native_midi_loadsong(file); if ( music->data.nativemidi == NULL ) { Mix_SetError("%s", native_midi_error()); music->error = 1; } } MIDI_ELSE #endif #ifdef USE_TIMIDITY_MIDI if ( timidity_ok ) { music->data.midi = Timidity_LoadSong(file); if ( music->data.midi == NULL ) { Mix_SetError("%s", Timidity_Error()); music->error = 1; } } else { Mix_SetError("%s", Timidity_Error()); music->error = 1; } #endif } else
Mix_Music *Mix_LoadMUSType_RW(SDL_RWops *rw, Mix_MusicType type, int freesrc) { Mix_Music *music; if (!rw) { Mix_SetError("RWops pointer is NULL"); return NULL; } /* If the caller wants auto-detection, figure out what kind of file * this is. */ if (type == MUS_NONE) { if ((type = detect_music_type(rw)) == MUS_NONE) { /* Don't call Mix_SetError() here since detect_music_type() * does that. */ return NULL; } } /* Allocate memory for the music structure */ music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music)); if (music == NULL ) { Mix_SetError("Out of memory"); return NULL; } music->error = 0; switch (type) { #ifdef WAV_MUSIC case MUS_WAV: /* The WAVE loader needs the first 4 bytes of the header */ { Uint8 magic[5]; int start = SDL_RWtell(rw); if (SDL_RWread(rw, magic, 1, 4) != 4) { Mix_SetError("Couldn't read from RWops"); return MUS_NONE; } SDL_RWseek(rw, start, RW_SEEK_SET); magic[4] = '\0'; music->type = MUS_WAV; music->data.wave = WAVStream_LoadSong_RW(rw, (char *)magic, freesrc); } if (music->data.wave == NULL) { music->error = 1; } break; #endif #ifdef OGG_MUSIC case MUS_OGG: music->type = MUS_OGG; music->data.ogg = OGG_new_RW(rw, freesrc); if ( music->data.ogg == NULL ) { music->error = 1; } break; #endif #ifdef FLAC_MUSIC case MUS_FLAC: music->type = MUS_FLAC; music->data.flac = FLAC_new_RW(rw, freesrc); if ( music->data.flac == NULL ) { music->error = 1; } break; #endif #ifdef MP3_MUSIC case MUS_MP3: if ( Mix_Init(MIX_INIT_MP3) ) { SMPEG_Info info; music->type = MUS_MP3; music->data.mp3 = smpeg.SMPEG_new_rwops(rw, &info, 0); if ( !info.has_audio ) { Mix_SetError("MPEG file does not have any audio stream."); music->error = 1; } else { smpeg.SMPEG_actualSpec(music->data.mp3, &used_mixer); } } else { music->error = 1; } break; #elif defined(MP3_MAD_MUSIC) case MUS_MP3: music->type = MUS_MP3_MAD; music->data.mp3_mad = mad_openFileRW(rw, &used_mixer, freesrc); if (music->data.mp3_mad == 0) { Mix_SetError("Could not initialize MPEG stream."); music->error = 1; } break; #endif #ifdef MID_MUSIC case MUS_MID: music->type = MUS_MID; #ifdef USE_NATIVE_MIDI if ( native_midi_ok ) { music->data.nativemidi = native_midi_loadsong_RW(rw, freesrc); if ( music->data.nativemidi == NULL ) { Mix_SetError("%s", native_midi_error()); music->error = 1; } break; } #endif #ifdef USE_FLUIDSYNTH_MIDI if ( fluidsynth_ok ) { music->data.fluidsynthmidi = fluidsynth_loadsong_RW(rw, freesrc); if ( music->data.fluidsynthmidi == NULL ) { music->error = 1; } break; } #endif #ifdef USE_TIMIDITY_MIDI if ( timidity_ok ) { music->data.midi = Timidity_LoadSong_RW(rw, freesrc); if ( music->data.midi == NULL ) { Mix_SetError("%s", Timidity_Error()); music->error = 1; } } else { Mix_SetError("%s", Timidity_Error()); music->error = 1; } #endif break; #endif #if defined(MODPLUG_MUSIC) || defined(MOD_MUSIC) case MUS_MOD: music->error = 1; #ifdef MODPLUG_MUSIC if ( music->error ) { music->type = MUS_MODPLUG; music->data.modplug = modplug_new_RW(rw, freesrc); if ( music->data.modplug ) { music->error = 0; } } #endif #ifdef MOD_MUSIC if ( music->error ) { music->type = MUS_MOD; music->data.module = MOD_new_RW(rw, freesrc); if ( music->data.module ) { music->error = 0; } } #endif break; #endif default: Mix_SetError("Unrecognized music format"); music->error=1; } /* switch (want) */ if (music->error) { SDL_free(music); music=NULL; } return(music); }
/* Initialize the music players with a certain desired audio format */ int open_music(SDL_AudioSpec *mixer) { int music_error; music_error = 0; #ifdef WAV_MUSIC if ( WAVStream_Init(mixer) < 0 ) { ++music_error; } #endif #ifdef MOD_MUSIC /* Set the MikMod music format */ music_swap8 = 0; music_swap16 = 0; switch (mixer->format) { case AUDIO_U8: case AUDIO_S8: { if ( mixer->format == AUDIO_S8 ) { music_swap8 = 1; } md_mode = 0; } break; case AUDIO_S16LSB: case AUDIO_S16MSB: { /* See if we need to correct MikMod mixing */ #if SDL_BYTEORDER == SDL_LIL_ENDIAN if ( mixer->format == AUDIO_S16MSB ) { #else if ( mixer->format == AUDIO_S16LSB ) { #endif music_swap16 = 1; } md_mode = DMODE_16BITS; } break; default: { Mix_SetError("Unknown hardware audio format"); ++music_error; } } if ( mixer->channels > 1 ) { if ( mixer->channels > 2 ) { Mix_SetError("Hardware uses more channels than mixer"); ++music_error; } md_mode |= DMODE_STEREO; } md_mixfreq = mixer->freq; md_device = 0; md_volume = 96; md_musicvolume = 128; md_sndfxvolume = 128; md_pansep = 128; md_reverb = 0; MikMod_RegisterAllLoaders(); MikMod_RegisterAllDrivers(); if ( MikMod_Init() ) { Mix_SetError("%s", MikMod_strerror(MikMod_errno)); ++music_error; } #endif #ifdef MID_MUSIC #ifdef USE_TIMIDITY_MIDI samplesize = mixer->size / mixer->samples; if ( Timidity_Init(mixer->freq, mixer->format, mixer->channels, mixer->samples) == 0 ) { timidity_ok = 1; } else { timidity_ok = 0; } #endif #ifdef USE_NATIVE_MIDI #ifdef USE_TIMIDITY_MIDI native_midi_ok = !timidity_ok; if ( native_midi_ok ) #endif native_midi_ok = native_midi_detect(); #endif #endif #ifdef OGG_MUSIC if ( OGG_init(mixer) < 0 ) { ++music_error; } #endif #ifdef MP3_MUSIC /* Keep a copy of the mixer */ used_mixer = *mixer; #endif music_playing = NULL; music_stopped = 0; if ( music_error ) { return(-1); } Mix_VolumeMusic(SDL_MIX_MAXVOLUME); /* Calculate the number of ms for each callback */ ms_per_step = (int) (((float)mixer->samples * 1000.0) / mixer->freq); return(0); } /* Portable case-insensitive string compare function */ int MIX_string_equals(const char *str1, const char *str2) { while ( *str1 && *str2 ) { if ( toupper((unsigned char)*str1) != toupper((unsigned char)*str2) ) break; ++str1; ++str2; } return (!*str1 && !*str2); } /* Load a music file */ Mix_Music *Mix_LoadMUS(const char *file) { char *ext; Uint8 magic[5]; Mix_Music *music; SDL_RWops *src; //maks /* Figure out what kind of file this is */ /*fp = fopen(file, "rb"); //maks if ( (fp == NULL) || !fread(magic, 4, 1, fp) ) { if ( fp != NULL ) { fclose(fp); } Mix_SetError("Couldn't read from '%s'", file); return(NULL); } magic[4] = '\0'; fclose(fp);*/ src = SDL_RWFromFile(file, "rb"); //maks if ( (src == NULL) || !SDL_RWread(src, magic, 4, 1) ) { if ( src != NULL ) { SDL_RWclose(src); } Mix_SetError("Couldn't read from '%s'", file); return(NULL); } magic[4] = '\0'; SDL_RWclose(src); /* Figure out the file extension, so we can determine the type */ ext = strrchr(file, '.'); if ( ext ) ++ext; /* skip the dot in the extension */ /* Allocate memory for the music structure */ music = (Mix_Music *)malloc(sizeof(Mix_Music)); if ( music == NULL ) { Mix_SetError("Out of memory"); return(NULL); } music->error = 0; #ifdef CMD_MUSIC if ( music_cmd ) { music->type = MUS_CMD; music->data.cmd = MusicCMD_LoadSong(music_cmd, file); if ( music->data.cmd == NULL ) { music->error = 1; } } else #endif #ifdef WAV_MUSIC /* WAVE files have the magic four bytes "RIFF" AIFF files have the magic 12 bytes "FORM" XXXX "AIFF" */ if ( (ext && MIX_string_equals(ext, "WAV")) || (strcmp((char *)magic, "RIFF") == 0) || (strcmp((char *)magic, "FORM") == 0) ) { music->type = MUS_WAV; music->data.wave = WAVStream_LoadSong(file, (char *)magic); if ( music->data.wave == NULL ) { Mix_SetError("Unable to load WAV file"); music->error = 1; } } else #endif #ifndef _WIN32_WCE #ifdef MID_MUSIC /* MIDI files have the magic four bytes "MThd" */ if ( (ext && MIX_string_equals(ext, "MID")) || (ext && MIX_string_equals(ext, "MIDI")) || strcmp((char *)magic, "MThd") == 0 ) { music->type = MUS_MID; #ifdef USE_NATIVE_MIDI if ( native_midi_ok ) { music->data.nativemidi = native_midi_loadsong((char *)file); if ( music->data.nativemidi == NULL ) { Mix_SetError("%s", native_midi_error()); music->error = 1; } } MIDI_ELSE #endif #ifdef USE_TIMIDITY_MIDI if ( timidity_ok ) { music->data.midi = Timidity_LoadSong((char *)file); if ( music->data.midi == NULL ) { Mix_SetError("%s", Timidity_Error()); music->error = 1; } } else { Mix_SetError("%s", Timidity_Error()); music->error = 1; } #endif } else
Mix_Music *Mix_LoadMUSType_RW(SDL_RWops *src, Mix_MusicType type, int freesrc) { Mix_Music *music; Sint64 start; if (!src) { Mix_SetError("RWops pointer is NULL"); return NULL; } start = SDL_RWtell(src); /* If the caller wants auto-detection, figure out what kind of file * this is. */ if (type == MUS_NONE) { if ((type = detect_music_type(src)) == MUS_NONE) { /* Don't call Mix_SetError() here since detect_music_type() * does that. */ if (freesrc) { SDL_RWclose(src); } return NULL; } } /* Allocate memory for the music structure */ music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music)); if (music == NULL ) { Mix_SetError("Out of memory"); if (freesrc) { SDL_RWclose(src); } return NULL; } music->error = 1; switch (type) { #ifdef WAV_MUSIC case MUS_WAV: music->type = MUS_WAV; music->data.wave = WAVStream_LoadSong_RW(src, freesrc); if (music->data.wave) { music->error = 0; } break; #endif #ifdef OGG_MUSIC case MUS_OGG: music->type = MUS_OGG; music->data.ogg = OGG_new_RW(src, freesrc); if (music->data.ogg) { music->error = 0; } break; #endif #ifdef FLAC_MUSIC case MUS_FLAC: music->type = MUS_FLAC; music->data.flac = FLAC_new_RW(src, freesrc); if (music->data.flac) { music->error = 0; } break; #endif #ifdef MP3_MUSIC case MUS_MP3: if (Mix_Init(MIX_INIT_MP3)) { SMPEG_Info info; music->type = MUS_MP3; music->data.mp3 = smpeg.SMPEG_new_rwops(src, &info, freesrc, 0); if (!info.has_audio) { Mix_SetError("MPEG file does not have any audio stream."); smpeg.SMPEG_delete(music->data.mp3); /* Deleting the MP3 closed the source if desired */ freesrc = SDL_FALSE; } else { smpeg.SMPEG_actualSpec(music->data.mp3, &used_mixer); music->error = 0; } } break; #elif defined(MP3_MAD_MUSIC) case MUS_MP3: music->type = MUS_MP3_MAD; music->data.mp3_mad = mad_openFileRW(src, &used_mixer, freesrc); if (music->data.mp3_mad) { music->error = 0; } else { Mix_SetError("Could not initialize MPEG stream."); } break; #endif #ifdef MID_MUSIC case MUS_MID: music->type = MUS_MID; #ifdef USE_NATIVE_MIDI if (native_midi_ok) { SDL_RWseek(src, start, RW_SEEK_SET); music->data.nativemidi = native_midi_loadsong_RW(src, freesrc); if (music->data.nativemidi) { music->error = 0; } else { Mix_SetError("%s", native_midi_error()); } break; } #endif #ifdef USE_FLUIDSYNTH_MIDI if (fluidsynth_ok) { SDL_RWseek(src, start, RW_SEEK_SET); music->data.fluidsynthmidi = fluidsynth_loadsong_RW(src, freesrc); if (music->data.fluidsynthmidi) { music->error = 0; } break; } #endif #ifdef USE_TIMIDITY_MIDI if (timidity_ok) { SDL_RWseek(src, start, RW_SEEK_SET); music->data.midi = Timidity_LoadSong_RW(src, freesrc); if (music->data.midi) { music->error = 0; } else { Mix_SetError("%s", Timidity_Error()); } } else { Mix_SetError("%s", Timidity_Error()); } #endif break; #endif #if defined(MODPLUG_MUSIC) || defined(MOD_MUSIC) case MUS_MOD: #ifdef MODPLUG_MUSIC if (music->error) { SDL_RWseek(src, start, RW_SEEK_SET); music->type = MUS_MODPLUG; music->data.modplug = modplug_new_RW(src, freesrc); if (music->data.modplug) { music->error = 0; } } #endif #ifdef MOD_MUSIC if (music->error) { SDL_RWseek(src, start, RW_SEEK_SET); music->type = MUS_MOD; music->data.module = MOD_new_RW(src, freesrc); if (music->data.module) { music->error = 0; } } #endif break; #endif default: Mix_SetError("Unrecognized music format"); break; } /* switch (want) */ if (music->error) { SDL_free(music); if (freesrc) { SDL_RWclose(src); } else { SDL_RWseek(src, start, RW_SEEK_SET); } music = NULL; } return music; }