C++ (Cpp) OGG_getsome示例

示例#1

文件： music_ogg.c 项目： jpmac26/PGE-Project

/* Play some of a stream previously started with OGG_play() */
int OGG_playAudio(OGG_music *music, Uint8 *snd, int len)
{
    int mixable;

    while((len > 0) && music->playing)
    {
        if(!music->len_available)
            OGG_getsome(music);
        mixable = len;
        if(mixable > music->len_available)
            mixable = music->len_available;
        if(music->volume == MIX_MAX_VOLUME)
            SDL_memcpy(snd, music->snd_available, (size_t)mixable);
        else
        {
            SDL_MixAudioFormat(snd, music->snd_available, mixer.format,
                               (Uint32)mixable, music->volume);
        }
        music->len_available -= mixable;
        music->snd_available += mixable;
        len -= mixable;
        snd += mixable;
    }

    return len;
}

示例#2

文件： music_ogg.c 项目： Rockbox/rockbox

/* Play some of a stream previously started with OGG_play() */
int OGG_playAudio(OGG_music *music, Uint8 *snd, int len)
{
	int mixable;

	while ( (len > 0) && music->playing ) {
		if ( ! music->len_available ) {
			OGG_getsome(music);
		}
		mixable = len;
		if ( mixable > music->len_available ) {
			mixable = music->len_available;
		}
		if ( music->volume == MIX_MAX_VOLUME ) {
			memcpy(snd, music->snd_available, mixable);
		} else {
			SDL_MixAudio(snd, music->snd_available, mixable,
			                              music->volume);
		}
		music->len_available -= mixable;
		music->snd_available += mixable;
		len -= mixable;
		snd += mixable;
	}
	
	return len;
}