431     jpeg_compress_struct cinfo = {};  in encodeJpegYU12()  local
438     cinfo.err = jpeg_std_error(&jerr);  in encodeJpegYU12()
440     cinfo.err->output_message = [](j_common_ptr cinfo) {  in encodeJpegYU12()  argument
444         (*cinfo->err->format_message)(cinfo, buffer);  in encodeJpegYU12()
447     cinfo.err->error_exit = [](j_common_ptr cinfo) {  in encodeJpegYU12()  argument
448         (*cinfo->err->output_message)(cinfo);  in encodeJpegYU12()
449         if(cinfo->client_data) {  in encodeJpegYU12()
451                 *reinterpret_cast<CustomJpegDestMgr*>(cinfo->client_data);  in encodeJpegYU12()
456     jpeg_create_compress(&cinfo);  in encodeJpegYU12()
463     cinfo.client_data = static_cast<void*>(&dmgr);  in encodeJpegYU12()
467     dmgr.mgr.init_destination = [](j_compress_ptr cinfo) {  in encodeJpegYU12()  argument
468         auto & dmgr = reinterpret_cast<CustomJpegDestMgr&>(*cinfo->dest);  in encodeJpegYU12()
475     dmgr.mgr.empty_output_buffer = [](j_compress_ptr cinfo __unused) {  in encodeJpegYU12()
480     dmgr.mgr.term_destination = [](j_compress_ptr cinfo) {  in encodeJpegYU12()  argument
481         auto & dmgr = reinterpret_cast<CustomJpegDestMgr&>(*cinfo->dest);  in encodeJpegYU12()
485     cinfo.dest = reinterpret_cast<struct jpeg_destination_mgr*>(&dmgr);  in encodeJpegYU12()
490     cinfo.image_width = inSz.width;  in encodeJpegYU12()
491     cinfo.image_height = inSz.height;  in encodeJpegYU12()
492     cinfo.input_components = 3;  in encodeJpegYU12()
493     cinfo.in_color_space = JCS_YCbCr;  in encodeJpegYU12()
496     jpeg_set_defaults(&cinfo);  in encodeJpegYU12()
498     jpeg_set_quality(&cinfo, jpegQuality, 1);  in encodeJpegYU12()
499     jpeg_set_colorspace(&cinfo, JCS_YCbCr);  in encodeJpegYU12()
500     cinfo.raw_data_in = 1;  in encodeJpegYU12()
501     cinfo.dct_method = JDCT_IFAST;  in encodeJpegYU12()
507     cinfo.comp_info[0].h_samp_factor = 2;  in encodeJpegYU12()
508     cinfo.comp_info[0].v_samp_factor = 2;  in encodeJpegYU12()
509     cinfo.comp_info[1].h_samp_factor = 1;  in encodeJpegYU12()
510     cinfo.comp_info[1].v_samp_factor = 1;  in encodeJpegYU12()
511     cinfo.comp_info[2].h_samp_factor = 1;  in encodeJpegYU12()
512     cinfo.comp_info[2].v_samp_factor = 1;  in encodeJpegYU12()
516         cinfo.comp_info[0].v_samp_factor,  in encodeJpegYU12()
517         cinfo.comp_info[1].v_samp_factor,  in encodeJpegYU12()
518         cinfo.comp_info[2].v_samp_factor  in encodeJpegYU12()
520     int cVSubSampling = cinfo.comp_info[0].v_samp_factor /  in encodeJpegYU12()
521                         cinfo.comp_info[1].v_samp_factor;  in encodeJpegYU12()
524     jpeg_start_compress(&cinfo, TRUE);  in encodeJpegYU12()
560         jpeg_write_marker(&cinfo, JPEG_APP0 + 1,  in encodeJpegYU12()
566     while (cinfo.next_scanline < cinfo.image_height) {  in encodeJpegYU12()
568         const uint32_t nl = cinfo.next_scanline;  in encodeJpegYU12()
573         uint32_t done = jpeg_write_raw_data(&cinfo, planes, batchSize);  in encodeJpegYU12()
577               __FUNCTION__, done, batchSize, cinfo.next_scanline,  in encodeJpegYU12()
578               cinfo.image_height);  in encodeJpegYU12()
584     jpeg_finish_compress(&cinfo);  in encodeJpegYU12()