402     jpeg_compress_struct cinfo = {};  in encodeJpegYU12()  local
409     cinfo.err = jpeg_std_error(&jerr);  in encodeJpegYU12()
411     cinfo.err->output_message = [](j_common_ptr cinfo) {  in encodeJpegYU12()  argument
415         (*cinfo->err->format_message)(cinfo, buffer);  in encodeJpegYU12()
418     cinfo.err->error_exit = [](j_common_ptr cinfo) {  in encodeJpegYU12()  argument
419         (*cinfo->err->output_message)(cinfo);  in encodeJpegYU12()
420         if(cinfo->client_data) {  in encodeJpegYU12()
422                 *reinterpret_cast<CustomJpegDestMgr*>(cinfo->client_data);  in encodeJpegYU12()
427     jpeg_create_compress(&cinfo);  in encodeJpegYU12()
434     cinfo.client_data = static_cast<void*>(&dmgr);  in encodeJpegYU12()
438     dmgr.mgr.init_destination = [](j_compress_ptr cinfo) {  in encodeJpegYU12()  argument
439         auto & dmgr = reinterpret_cast<CustomJpegDestMgr&>(*cinfo->dest);  in encodeJpegYU12()
446     dmgr.mgr.empty_output_buffer = [](j_compress_ptr cinfo __unused) {  in encodeJpegYU12()
451     dmgr.mgr.term_destination = [](j_compress_ptr cinfo) {  in encodeJpegYU12()  argument
452         auto & dmgr = reinterpret_cast<CustomJpegDestMgr&>(*cinfo->dest);  in encodeJpegYU12()
456     cinfo.dest = reinterpret_cast<struct jpeg_destination_mgr*>(&dmgr);  in encodeJpegYU12()
461     cinfo.image_width = inSz.width;  in encodeJpegYU12()
462     cinfo.image_height = inSz.height;  in encodeJpegYU12()
463     cinfo.input_components = 3;  in encodeJpegYU12()
464     cinfo.in_color_space = JCS_YCbCr;  in encodeJpegYU12()
467     jpeg_set_defaults(&cinfo);  in encodeJpegYU12()
469     jpeg_set_quality(&cinfo, jpegQuality, 1);  in encodeJpegYU12()
470     jpeg_set_colorspace(&cinfo, JCS_YCbCr);  in encodeJpegYU12()
471     cinfo.raw_data_in = 1;  in encodeJpegYU12()
472     cinfo.dct_method = JDCT_IFAST;  in encodeJpegYU12()
478     cinfo.comp_info[0].h_samp_factor = 2;  in encodeJpegYU12()
479     cinfo.comp_info[0].v_samp_factor = 2;  in encodeJpegYU12()
480     cinfo.comp_info[1].h_samp_factor = 1;  in encodeJpegYU12()
481     cinfo.comp_info[1].v_samp_factor = 1;  in encodeJpegYU12()
482     cinfo.comp_info[2].h_samp_factor = 1;  in encodeJpegYU12()
483     cinfo.comp_info[2].v_samp_factor = 1;  in encodeJpegYU12()
487         cinfo.comp_info[0].v_samp_factor,  in encodeJpegYU12()
488         cinfo.comp_info[1].v_samp_factor,  in encodeJpegYU12()
489         cinfo.comp_info[2].v_samp_factor  in encodeJpegYU12()
491     int cVSubSampling = cinfo.comp_info[0].v_samp_factor /  in encodeJpegYU12()
492                         cinfo.comp_info[1].v_samp_factor;  in encodeJpegYU12()
495     jpeg_start_compress(&cinfo, TRUE);  in encodeJpegYU12()
531         jpeg_write_marker(&cinfo, JPEG_APP0 + 1,  in encodeJpegYU12()
537     while (cinfo.next_scanline < cinfo.image_height) {  in encodeJpegYU12()
539         const uint32_t nl = cinfo.next_scanline;  in encodeJpegYU12()
544         uint32_t done = jpeg_write_raw_data(&cinfo, planes, batchSize);  in encodeJpegYU12()
548               __FUNCTION__, done, batchSize, cinfo.next_scanline,  in encodeJpegYU12()
549               cinfo.image_height);  in encodeJpegYU12()
555     jpeg_finish_compress(&cinfo);  in encodeJpegYU12()