size_t wyAssetInputStream_android::getPosition() {
	if(m_asset != NULL)
		return gAAL.getAssetLength(m_asset) - gAAL.getAssetRemainingLength(m_asset);
	else if(m_fp != NULL)
		return ftell(m_fp);
	else
		return 0;
}
size_t wyAssetInputStream_android::available() {
	if(m_asset != NULL)
		return gAAL.getAssetRemainingLength(m_asset);
	else if(m_fp != NULL)
		return getLength() - getPosition();
	else
		return 0;
}