CXBTFFrame appendContent(CXBTFWriter &writer, int width, int height, unsigned char *data, unsigned int size, unsigned int format, bool hasAlpha, unsigned int flags)
{
CXBTFFrame frame;
#ifdef USE_LZO_PACKING
lzo_uint packedSize = size;
if ((flags & FLAGS_USE_LZO) == FLAGS_USE_LZO)
{
// grab a temporary buffer for unpacking into
packedSize = size + size / 16 + 64 + 3; // see simple.c in lzo
unsigned char *packed = new unsigned char[packedSize];
unsigned char *working = new unsigned char[LZO1X_999_MEM_COMPRESS];
if (packed && working)
{
if (lzo1x_999_compress(data, size, packed, &packedSize, working) != LZO_E_OK || packedSize > size)
{
// compression failed, or compressed size is bigger than uncompressed, so store as uncompressed
packedSize = size;
writer.AppendContent(data, size);
}
else
{ // success
lzo_uint optimSize = size;
if (lzo1x_optimize(packed, packedSize, data, &optimSize, NULL) != LZO_E_OK || optimSize != size)
{ //optimisation failed
packedSize = size;
writer.AppendContent(data, size);
}
else
{ // success
writer.AppendContent(packed, packedSize);
}
}
delete[] working;
delete[] packed;
}
}
else
#else
unsigned int packedSize = size;
#endif
{
writer.AppendContent(data, size);
}
frame.SetPackedSize(packedSize);
frame.SetUnpackedSize(size);
frame.SetWidth(width);
frame.SetHeight(height);
frame.SetFormat(hasAlpha ? format : format | XB_FMT_OPAQUE);
frame.SetDuration(0);
return frame;
}
CXBTFFrame appendContent(CXBTFWriter &writer, int width, int height, unsigned char *data, unsigned int size, unsigned int format, unsigned int flags)
{
CXBTFFrame frame;
lzo_uint compressedSize = size;
if ((flags & FLAGS_USE_LZO) == FLAGS_USE_LZO)
{
// grab a temporary buffer for unpacking into
squish::u8 *compressed = new squish::u8[size + size / 16 + 64 + 3]; // see simple.c in lzo
squish::u8 *working = new squish::u8[LZO1X_999_MEM_COMPRESS];
if (compressed && working)
{
if (lzo1x_999_compress(data, size, compressed, (lzo_uint*)&compressedSize, working) != LZO_E_OK || compressedSize > size)
{
// compression failed, or compressed size is bigger than uncompressed, so store as uncompressed
compressedSize = size;
writer.AppendContent(data, size);
}
else
{ // success
lzo_uint optimSize = size;
lzo1x_optimize(compressed, compressedSize, data, &optimSize, NULL);
writer.AppendContent(compressed, compressedSize);
}
delete[] working;
delete[] compressed;
}
}
else
{
writer.AppendContent(data, size);
}
frame.SetPackedSize(compressedSize);
frame.SetUnpackedSize(size);
frame.SetWidth(width);
frame.SetHeight(height);
frame.SetFormat(format);
frame.SetDuration(0);
return frame;
}