Exemplos de MusicSequenceLoadSMFData em C++ (Cpp)

Exemplo n.º 1

Arquivo: native_midi_macosx.c Projeto: lighthouse64/PGE-Project

NativeMidiSong *native_midi_loadsong_RW(SDL_RWops *src, int freesrc)
{
    NativeMidiSong *retval = NULL;
    void *buf = NULL;
    Sint64 len = 0;
    CFDataRef data = NULL;

    if (SDL_RWseek(src, 0, RW_SEEK_END) < 0)
        goto fail;
    len = SDL_RWtell(src);
    if (len < 0)
        goto fail;
    if (SDL_RWseek(src, 0, RW_SEEK_SET) < 0)
        goto fail;

    buf = malloc(len);
    if (buf == NULL)
        goto fail;

    if (SDL_RWread(src, buf, len, 1) != 1)
        goto fail;

    retval = malloc(sizeof(NativeMidiSong));
    if (retval == NULL)
        goto fail;

    memset(retval, '\0', sizeof (*retval));

    if (NewMusicPlayer(&retval->player) != noErr)
        goto fail;
    if (NewMusicSequence(&retval->sequence) != noErr)
        goto fail;

    data = CFDataCreate(NULL, (const UInt8 *) buf, len);
    if (data == NULL)
        goto fail;

    free(buf);
    buf = NULL;

    #if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
    /* MusicSequenceLoadSMFData() (avail. in 10.2, no 64 bit) is
     * equivalent to calling MusicSequenceLoadSMFDataWithFlags()
     * with a flags value of 0 (avail. in 10.3, avail. 64 bit).
     * So, we use MusicSequenceLoadSMFData() for powerpc versions
     * but the *WithFlags() on intel which require 10.4 anyway. */
    # if defined(__ppc__) || defined(__POWERPC__)
    if (MusicSequenceLoadSMFData(song->sequence, data) != noErr)
        goto fail;
    # else
    if (MusicSequenceLoadSMFDataWithFlags(retval->sequence, data, 0) != noErr)
        goto fail;
    # endif
    #else  /* MusicSequenceFileLoadData() requires 10.5 or later.  */
    if (MusicSequenceFileLoadData(retval->sequence, data, 0, 0) != noErr)
        goto fail;
    #endif

    CFRelease(data);
    data = NULL;

    if (GetSequenceLength(retval->sequence, &retval->endTime) != noErr)
        goto fail;

    if (MusicPlayerSetSequence(retval->player, retval->sequence) != noErr)
        goto fail;

    if (freesrc)
        SDL_RWclose(src);

    return retval;

fail:
    if (retval) {
        if (retval->sequence)
            DisposeMusicSequence(retval->sequence);
        if (retval->player)
            DisposeMusicPlayer(retval->player);
        free(retval);
    }

    if (data)
        CFRelease(data);

    if (buf)
        free(buf);

    return NULL;
}

Exemplo n.º 2

Arquivo: i_music.cpp Projeto: JohnnyonFlame/odamex

int I_RegisterSong (char *data, size_t musicLen)
{
	if(!music_initialized)
		return 0;

	// input mus memory file and midi
	MEMFILE *mus = mem_fopen_read(data, musicLen);
	MEMFILE *midi = mem_fopen_write();

	I_UnRegisterSong(0);

	int result = mus2mid(mus, midi);

	switch(result)
    {
        case 1:
            Printf(PRINT_HIGH, "MUS is not valid\n");
            break;
        case 0:
        case 2:
		{
#ifdef OSX

		if (NewMusicSequence(&sequence) != noErr)
			return 0;

		cfd = CFDataCreate(NULL, (const Uint8 *)mem_fgetbuf(midi), mem_fsize(midi));

		if(!cfd)
		{
			DisposeMusicSequence(sequence);
			return 0;
		}

		if (MusicSequenceLoadSMFData(sequence, (CFDataRef)cfd) != noErr)
		{
			DisposeMusicSequence(sequence);
			CFRelease(cfd);
			return 0;
		}

		registered_tracks[0].Track = (Mix_Music*)1;

#else

		Mix_Music *music = 0;

		// older versions of sdl-mixer require a physical midi file to be read, 1.2.7+ can read from memory
#ifndef TEMP_MIDI // SDL >= 1.2.7

            if (result == 0) // it is a midi
            {
                registered_tracks[0].Data = SDL_RWFromMem(mem_fgetbuf(midi), mem_fsize(midi));
            }
            else // it is another format
            {
                registered_tracks[0].Data = SDL_RWFromMem(data, musicLen);
            }


            if (!registered_tracks[0].Data)
            {
                Printf(PRINT_HIGH, "SDL_RWFromMem: %s\n", SDL_GetError());
                break;
            }

            music = Mix_LoadMUS_RW(registered_tracks[0].Data);

			if(!music)
            {
                Printf(PRINT_HIGH, "Mix_LoadMUS_RW: %s\n", Mix_GetError());

                SDL_FreeRW(registered_tracks[0].Data);
                registered_tracks[0].Data = NULL;

                break;
            }

#else // SDL <= 1.2.6 - Create a file so it can load the midi

			FILE *fp = fopen(TEMP_MIDI, "wb+");

			if(!fp)
			{
				Printf(PRINT_HIGH, "Could not open temporary music file %s, not playing track\n", TEMP_MIDI);

				break;
			}

			for(int i = 0; i < mem_fsize(midi); i++)
				fputc(mem_fgetbuf(midi)[i], fp);

			fclose(fp);

            music = Mix_LoadMUS(TEMP_MIDI);

            if(!music)
			{
				Printf(PRINT_HIGH, "Mix_LoadMUS: %s\n", Mix_GetError());
				break;
			}

#endif

		registered_tracks[0].Track = music;

#endif // OSX
            break;
		} // case 2
    }

	mem_fclose(mus);
	mem_fclose(midi);

	return 1;
}