-long
-frame_info_position (int frame, Eyes eyes)
-{
- static int const info_size = 48;
-
- switch (eyes) {
- case EYES_BOTH:
- return frame * info_size;
- case EYES_LEFT:
- return frame * info_size * 2;
- case EYES_RIGHT:
- return frame * info_size * 2 + info_size;
- default:
- DCPOMATIC_ASSERT (false);
- }
-
- DCPOMATIC_ASSERT (false);
-}
-
-dcp::FrameInfo
-read_frame_info (FILE* file, int frame, Eyes eyes)
-{
- dcp::FrameInfo info;
- dcpomatic_fseek (file, frame_info_position (frame, eyes), SEEK_SET);
- fread (&info.offset, sizeof (info.offset), 1, file);
- fread (&info.size, sizeof (info.size), 1, file);
-
- char hash_buffer[33];
- fread (hash_buffer, 1, 32, file);
- hash_buffer[32] = '\0';
- info.hash = hash_buffer;
-
- return info;
-}
-
-void
-write_frame_info (FILE* file, int frame, Eyes eyes, dcp::FrameInfo info)
-{
- dcpomatic_fseek (file, frame_info_position (frame, eyes), SEEK_SET);
- fwrite (&info.offset, sizeof (info.offset), 1, file);
- fwrite (&info.size, sizeof (info.size), 1, file);
- fwrite (info.hash.c_str(), 1, info.hash.size(), file);
-}
-
-string
-video_mxf_filename (shared_ptr<dcp::PictureMXF> mxf)
-{
- return "j2c_" + mxf->id() + ".mxf";
-}
-