Esempio n. 1
0
int AalibUnload(int channel)
{
	if ((channel<1)||(channel>48))
	{
		return PSPAALIB_ERROR_INVALID_CHANNEL;
	}
	channels[channel].initialized=FALSE;
	if ((PSPAALIB_CHANNEL_WAV_1<=channel)&&(channel<=PSPAALIB_CHANNEL_WAV_32))
	{
		return UnloadWav(channel-PSPAALIB_CHANNEL_WAV_1);
	}
	if ((PSPAALIB_CHANNEL_OGG_1<=channel)&&(channel<=PSPAALIB_CHANNEL_OGG_10))
	{
		return UnloadOgg(channel-PSPAALIB_CHANNEL_OGG_1);
	}
	if ((PSPAALIB_CHANNEL_SCEMP3_1<=channel)&&(channel<=PSPAALIB_CHANNEL_SCEMP3_2))
	{
		return UnloadSceMp3(channel-PSPAALIB_CHANNEL_SCEMP3_1);
	}
	if ((PSPAALIB_CHANNEL_AT3_1<=channel)&&(channel<=PSPAALIB_CHANNEL_AT3_2))
	{
		return UnloadAt3(channel-PSPAALIB_CHANNEL_AT3_1);
	}
	return PSPAALIB_ERROR_INVALID_CHANNEL;
}
Esempio n. 2
0
int LoadWav(cccUCS2* filename,int channel,int loadToRam)
{
	if ((channel<0)||(channel>31))
	{
		return PSPAALIB_ERROR_WAV_INVALID_CHANNEL;
	}
	if (streamsWav[channel].initialized) UnloadWav(channel);
	int chunks=0,size=0;
	short compressionCode=0;
	char temp[5];
	temp[4]='\0';
	streamsWav[channel].loadToRam=loadToRam;
	streamsWav[channel].file=sceIoOpenUCS2(filename,PSP_O_RDONLY,0777);
	if (streamsWav[channel].file<=0) 
	{
		return PSPAALIB_ERROR_WAV_INVALID_FILE;
	}
	sceIoRead(streamsWav[channel].file,temp,4);
	if (strcmp(temp,"RIFF"))
	{
		sceIoClose(streamsWav[channel].file);
		return PSPAALIB_ERROR_WAV_INVALID_FILE;
	}
	sceIoRead(streamsWav[channel].file,&size,4);
	sceIoRead(streamsWav[channel].file,temp,4);
	if (strcmp(temp,"WAVE"))
	{
		sceIoClose(streamsWav[channel].file);
		return PSPAALIB_ERROR_WAV_INVALID_FILE;
	}
	while (chunks<2)
	{
		sceIoRead(streamsWav[channel].file,temp,4);
		if (!strcmp(temp,"fmt "))
		{
			sceIoRead(streamsWav[channel].file,&size,4);
			sceIoRead(streamsWav[channel].file,&compressionCode,2);
			if ((compressionCode!=0)&&(compressionCode!=1))
			{
				sceIoClose(streamsWav[channel].file);
				return PSPAALIB_ERROR_WAV_COMPRESSED_FILE;
			}
			sceIoRead(streamsWav[channel].file,&(streamsWav[channel].numChannels),2);
			sceIoRead(streamsWav[channel].file,&(streamsWav[channel].sampleRate),4);
			sceIoRead(streamsWav[channel].file,&(streamsWav[channel].bytesPerSecond),4);
			sceIoLseek(streamsWav[channel].file,2,PSP_SEEK_CUR);
			sceIoRead(streamsWav[channel].file,&(streamsWav[channel].sigBytes),2);
			streamsWav[channel].sigBytes=streamsWav[channel].sigBytes>>3;
			sceIoLseek(streamsWav[channel].file,size-16,PSP_SEEK_CUR);
			chunks++;
			continue;
		}
		if (!strcmp(temp,"data"))
		{
			if (chunks<1)
			{
				sceIoClose(streamsWav[channel].file);
				return PSPAALIB_ERROR_WAV_INVALID_FILE;
			}
			sceIoRead(streamsWav[channel].file,&(streamsWav[channel].dataLength),4);
			streamsWav[channel].dataLocation=sceIoLseek(streamsWav[channel].file,0,PSP_SEEK_CUR);
			if (streamsWav[channel].loadToRam)
			{
				streamsWav[channel].data=(char*) malloc(streamsWav[channel].dataLength);
				if(!streamsWav[channel].data)
				{
					sceIoClose(streamsWav[channel].file);
					return PSPAALIB_ERROR_WAV_INSUFFICIENT_RAM;
				}
				sceIoRead(streamsWav[channel].file,streamsWav[channel].data,streamsWav[channel].dataLength);
			}
			else
			{
				streamsWav[channel].data=(char*) malloc(2*1024*streamsWav[channel].sigBytes*streamsWav[channel].numChannels*streamsWav[channel].sampleRate/PSP_SAMPLE_RATE);
				if(!streamsWav[channel].data)
				{
					sceIoClose(streamsWav[channel].file);
					return PSPAALIB_ERROR_WAV_INSUFFICIENT_RAM;
				}
			}
			streamsWav[channel].dataPos=0;
			chunks++;
			continue;
		}
		sceIoRead(streamsWav[channel].file,&size,4);
		sceIoLseek(streamsWav[channel].file,size,PSP_SEEK_CUR);
	}