+ boost::filesystem::path path = _image_content->path (_image_content->still() ? 0 : _frame_video_position);
+ if (valid_j2k_file (path)) {
+ AVPixelFormat pf;
+ if (_image_content->video->colour_conversion()) {
+ /* We have a specified colour conversion: assume the image is RGB */
+ pf = AV_PIX_FMT_RGB48LE;
+ } else {
+ /* No specified colour conversion: assume the image is XYZ */
+ pf = AV_PIX_FMT_XYZ12LE;
+ }
+ /* We can't extract image size from a JPEG2000 codestream without decoding it,
+ so pass in the image content's size here.
+ */
+ _image.reset (new J2KImageProxy (path, _image_content->video->size(), pf));
+ } else {
+ _image.reset (new FFmpegImageProxy (path));
+ }