DCP_ASSERT (_opj_image->numcomps == 3);
}
+#ifdef LIBDCP_OPENJPEG1
+typedef int32_t OPJ_INT32;
+typedef uint8_t OPJ_BYTE;
+#endif
+
OpenJPEGImage::OpenJPEGImage (OpenJPEGImage const & other)
{
_opj_image = reinterpret_cast<opj_image_t*> (malloc (sizeof (opj_image_t)));
* @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];
return _opj_image->comps[component].prec;
}
+int
+OpenJPEGImage::factor (int component) const
+{
+ return _opj_image->comps[component].factor;
+}
+
bool
OpenJPEGImage::srgb () const
{