+#endif
+
+#ifdef LIBDCP_OPENJPEG1
+Data
+dcp::compress_j2k (shared_ptr<const OpenJPEGImage> xyz, int bandwidth, int frames_per_second, bool threed, bool fourk)
+{
+ /* Set the max image and component sizes based on frame_rate */
+ int max_cs_len = ((float) bandwidth) / 8 / frames_per_second;
+ if (threed) {
+ /* In 3D we have only half the normal bandwidth per eye */
+ max_cs_len /= 2;
+ }
+ int const max_comp_size = max_cs_len / 1.25;
+
+ /* get a J2K compressor handle */
+ opj_cinfo_t* cinfo = opj_create_compress (CODEC_J2K);
+ if (cinfo == 0) {
+ throw MiscError ("could not create JPEG2000 encoder");
+ }
+
+ /* Set encoding parameters to default values */
+ opj_cparameters_t parameters;
+ opj_set_default_encoder_parameters (¶meters);
+
+ /* Set default cinema parameters */
+ parameters.tile_size_on = false;
+ parameters.cp_tdx = 1;
+ parameters.cp_tdy = 1;
+
+ /* Tile part */
+ parameters.tp_flag = 'C';
+ parameters.tp_on = 1;
+
+ /* Tile and Image shall be at (0,0) */
+ parameters.cp_tx0 = 0;
+ parameters.cp_ty0 = 0;
+ parameters.image_offset_x0 = 0;
+ parameters.image_offset_y0 = 0;
+
+ /* Codeblock size = 32x32 */
+ parameters.cblockw_init = 32;
+ parameters.cblockh_init = 32;
+ parameters.csty |= 0x01;
+
+ /* The progression order shall be CPRL */
+ parameters.prog_order = CPRL;
+
+ /* No ROI */
+ parameters.roi_compno = -1;
+
+ parameters.subsampling_dx = 1;
+ parameters.subsampling_dy = 1;
+
+ /* 9-7 transform */
+ parameters.irreversible = 1;
+
+ parameters.tcp_rates[0] = 0;
+ parameters.tcp_numlayers++;
+ parameters.cp_disto_alloc = 1;
+ parameters.cp_rsiz = fourk ? CINEMA4K : CINEMA2K;
+ if (fourk) {
+ parameters.numpocs = 2;
+ parameters.POC[0].tile = 1;
+ parameters.POC[0].resno0 = 0;
+ parameters.POC[0].compno0 = 0;
+ parameters.POC[0].layno1 = 1;
+ parameters.POC[0].resno1 = parameters.numresolution - 1;
+ parameters.POC[0].compno1 = 3;
+ parameters.POC[0].prg1 = CPRL;
+ parameters.POC[1].tile = 1;
+ parameters.POC[1].resno0 = parameters.numresolution - 1;
+ parameters.POC[1].compno0 = 0;
+ parameters.POC[1].layno1 = 1;
+ parameters.POC[1].resno1 = parameters.numresolution;
+ parameters.POC[1].compno1 = 3;
+ parameters.POC[1].prg1 = CPRL;
+ }
+
+ parameters.cp_comment = strdup ("libdcp");
+ parameters.cp_cinema = fourk ? CINEMA4K_24 : CINEMA2K_24;
+
+ /* 3 components, so use MCT */
+ parameters.tcp_mct = 1;
+
+ /* set max image */
+ parameters.max_comp_size = max_comp_size;
+ parameters.tcp_rates[0] = ((float) (3 * xyz->size().width * xyz->size().height * 12)) / (max_cs_len * 8);
+
+ /* Set event manager to null (openjpeg 1.3 bug) */
+ cinfo->event_mgr = 0;
+
+ /* Setup the encoder parameters using the current image and user parameters */
+ opj_setup_encoder (cinfo, ¶meters, xyz->opj_image ());
+
+ opj_cio_t* cio = opj_cio_open ((opj_common_ptr) cinfo, 0, 0);
+ if (cio == 0) {
+ opj_destroy_compress (cinfo);
+ throw MiscError ("could not open JPEG2000 stream");
+ }
+
+ int const r = opj_encode (cinfo, cio, xyz->opj_image(), 0);
+ if (r == 0) {
+ opj_cio_close (cio);
+ opj_destroy_compress (cinfo);
+ throw MiscError ("JPEG2000 encoding failed");
+ }
+
+ Data enc (cio->buffer, cio_tell (cio));
+
+ opj_cio_close (cio);
+ free (parameters.cp_comment);
+ opj_destroy_compress (cinfo);
+
+ return enc;
+}
+
+#endif