* @param size Size for the frame in pixels.
*/
OpenJPEGImage::OpenJPEGImage (Size size)
+{
+ create (size);
+}
+
+/** @param data_16 XYZ/RGB image data in packed 16:16:16, 48bpp with
+ * the 2-byte value for each component stored as little-endian.
+ */
+OpenJPEGImage::OpenJPEGImage (uint8_t const * data_16, dcp::Size size, int stride)
+{
+ create (size);
+
+ int jn = 0;
+ for (int y = 0; y < size.height; ++y) {
+ uint16_t const * p = reinterpret_cast<uint16_t const *> (data_16 + y * stride);
+ for (int x = 0; x < size.width; ++x) {
+ /* Truncate 16-bit to 12-bit */
+ _opj_image->comps[0].data[jn] = *p++ >> 4;
+ _opj_image->comps[1].data[jn] = *p++ >> 4;
+ _opj_image->comps[2].data[jn] = *p++ >> 4;
+ ++jn;
+ }
+ }
+}
+
+void
+OpenJPEGImage::create (Size size)
{
opj_image_cmptparm_t cmptparm[3];