110 emit_byte (j_compress_ptr cinfo, int val)  in emit_byte()  argument
113   struct jpeg_destination_mgr * dest = cinfo->dest;  in emit_byte()
117     if (! (*dest->empty_output_buffer) (cinfo))  in emit_byte()
118       ERREXIT(cinfo, JERR_CANT_SUSPEND);  in emit_byte()
124 emit_marker (j_compress_ptr cinfo, JPEG_MARKER mark)  in emit_marker()  argument
127   emit_byte(cinfo, 0xFF);  in emit_marker()
128   emit_byte(cinfo, (int) mark);  in emit_marker()
133 emit_2bytes (j_compress_ptr cinfo, int value)  in emit_2bytes()  argument
136   emit_byte(cinfo, (value >> 8) & 0xFF);  in emit_2bytes()
137   emit_byte(cinfo, value & 0xFF);  in emit_2bytes()
146 emit_dqt (j_compress_ptr cinfo, int index)  in emit_dqt()  argument
150   JQUANT_TBL * qtbl = cinfo->quant_tbl_ptrs[index];  in emit_dqt()
155     ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, index);  in emit_dqt()
158   for (i = 0; i <= cinfo->lim_Se; i++) {  in emit_dqt()
159     if (qtbl->quantval[cinfo->natural_order[i]] > 255)  in emit_dqt()
164     emit_marker(cinfo, M_DQT);  in emit_dqt()
166     emit_2bytes(cinfo,  in emit_dqt()
167       prec ? cinfo->lim_Se * 2 + 2 + 1 + 2 : cinfo->lim_Se + 1 + 1 + 2);  in emit_dqt()
169     emit_byte(cinfo, index + (prec<<4));  in emit_dqt()
171     for (i = 0; i <= cinfo->lim_Se; i++) {  in emit_dqt()
173       unsigned int qval = qtbl->quantval[cinfo->natural_order[i]];  in emit_dqt()
175         emit_byte(cinfo, (int) (qval >> 8));  in emit_dqt()
176       emit_byte(cinfo, (int) (qval & 0xFF));  in emit_dqt()
187 emit_dht (j_compress_ptr cinfo, int index, boolean is_ac)  in emit_dht()  argument
194     htbl = cinfo->ac_huff_tbl_ptrs[index];  in emit_dht()
197     htbl = cinfo->dc_huff_tbl_ptrs[index];  in emit_dht()
201     ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, index);  in emit_dht()
204     emit_marker(cinfo, M_DHT);  in emit_dht()
210     emit_2bytes(cinfo, length + 2 + 1 + 16);  in emit_dht()
211     emit_byte(cinfo, index);  in emit_dht()
214       emit_byte(cinfo, htbl->bits[i]);  in emit_dht()
217       emit_byte(cinfo, htbl->huffval[i]);  in emit_dht()
225 emit_dac (j_compress_ptr cinfo)  in emit_dac()  argument
239   for (i = 0; i < cinfo->comps_in_scan; i++) {  in emit_dac()
240     compptr = cinfo->cur_comp_info[i];  in emit_dac()
242     if (cinfo->Ss == 0 && cinfo->Ah == 0)  in emit_dac()
245     if (cinfo->Se)  in emit_dac()
254     emit_marker(cinfo, M_DAC);  in emit_dac()
256     emit_2bytes(cinfo, length*2 + 2);  in emit_dac()
260         emit_byte(cinfo, i);  in emit_dac()
261         emit_byte(cinfo, cinfo->arith_dc_L[i] + (cinfo->arith_dc_U[i]<<4));  in emit_dac()
264         emit_byte(cinfo, i + 0x10);  in emit_dac()
265         emit_byte(cinfo, cinfo->arith_ac_K[i]);  in emit_dac()
274 emit_dri (j_compress_ptr cinfo)  in emit_dri()  argument
277   emit_marker(cinfo, M_DRI);  in emit_dri()
279   emit_2bytes(cinfo, 4);	/* fixed length */  in emit_dri()
281   emit_2bytes(cinfo, (int) cinfo->restart_interval);  in emit_dri()
286 emit_lse_ict (j_compress_ptr cinfo)  in emit_lse_ict()  argument
290   if (cinfo->color_transform != JCT_SUBTRACT_GREEN ||  in emit_lse_ict()
291       cinfo->num_components < 3)  in emit_lse_ict()
292     ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);  in emit_lse_ict()
294   emit_marker(cinfo, M_JPG8);  in emit_lse_ict()
296   emit_2bytes(cinfo, 24);	/* fixed length */  in emit_lse_ict()
298   emit_byte(cinfo, 0x0D);	/* ID inverse transform specification */  in emit_lse_ict()
299   emit_2bytes(cinfo, MAXJSAMPLE);	/* MAXTRANS */  in emit_lse_ict()
300   emit_byte(cinfo, 3);		/* Nt=3 */  in emit_lse_ict()
301   emit_byte(cinfo, cinfo->comp_info[1].component_id);  in emit_lse_ict()
302   emit_byte(cinfo, cinfo->comp_info[0].component_id);  in emit_lse_ict()
303   emit_byte(cinfo, cinfo->comp_info[2].component_id);  in emit_lse_ict()
304   emit_byte(cinfo, 0x80);	/* F1: CENTER1=1, NORM1=0 */  in emit_lse_ict()
305   emit_2bytes(cinfo, 0);	/* A(1,1)=0 */  in emit_lse_ict()
306   emit_2bytes(cinfo, 0);	/* A(1,2)=0 */  in emit_lse_ict()
307   emit_byte(cinfo, 0);		/* F2: CENTER2=0, NORM2=0 */  in emit_lse_ict()
308   emit_2bytes(cinfo, 1);	/* A(2,1)=1 */  in emit_lse_ict()
309   emit_2bytes(cinfo, 0);	/* A(2,2)=0 */  in emit_lse_ict()
310   emit_byte(cinfo, 0);		/* F3: CENTER3=0, NORM3=0 */  in emit_lse_ict()
311   emit_2bytes(cinfo, 1);	/* A(3,1)=1 */  in emit_lse_ict()
312   emit_2bytes(cinfo, 0);	/* A(3,2)=0 */  in emit_lse_ict()
317 emit_sof (j_compress_ptr cinfo, JPEG_MARKER code)  in emit_sof()  argument
323   emit_marker(cinfo, code);  in emit_sof()
325   emit_2bytes(cinfo, 3 * cinfo->num_components + 2 + 5 + 1); /* length */  in emit_sof()
328   if ((long) cinfo->jpeg_height > 65535L ||  in emit_sof()
329       (long) cinfo->jpeg_width > 65535L)  in emit_sof()
330     ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) 65535);  in emit_sof()
332   emit_byte(cinfo, cinfo->data_precision);  in emit_sof()
333   emit_2bytes(cinfo, (int) cinfo->jpeg_height);  in emit_sof()
334   emit_2bytes(cinfo, (int) cinfo->jpeg_width);  in emit_sof()
336   emit_byte(cinfo, cinfo->num_components);  in emit_sof()
338   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in emit_sof()
340     emit_byte(cinfo, compptr->component_id);  in emit_sof()
341     emit_byte(cinfo, (compptr->h_samp_factor << 4) + compptr->v_samp_factor);  in emit_sof()
342     emit_byte(cinfo, compptr->quant_tbl_no);  in emit_sof()
348 emit_sos (j_compress_ptr cinfo)  in emit_sos()  argument
354   emit_marker(cinfo, M_SOS);  in emit_sos()
356   emit_2bytes(cinfo, 2 * cinfo->comps_in_scan + 2 + 1 + 3); /* length */  in emit_sos()
358   emit_byte(cinfo, cinfo->comps_in_scan);  in emit_sos()
360   for (i = 0; i < cinfo->comps_in_scan; i++) {  in emit_sos()
361     compptr = cinfo->cur_comp_info[i];  in emit_sos()
362     emit_byte(cinfo, compptr->component_id);  in emit_sos()
369     td = cinfo->Ss == 0 && cinfo->Ah == 0 ? compptr->dc_tbl_no : 0;  in emit_sos()
371     ta = cinfo->Se ? compptr->ac_tbl_no : 0;  in emit_sos()
373     emit_byte(cinfo, (td << 4) + ta);  in emit_sos()
376   emit_byte(cinfo, cinfo->Ss);  in emit_sos()
377   emit_byte(cinfo, cinfo->Se);  in emit_sos()
378   emit_byte(cinfo, (cinfo->Ah << 4) + cinfo->Al);  in emit_sos()
383 emit_pseudo_sos (j_compress_ptr cinfo)  in emit_pseudo_sos()  argument
386   emit_marker(cinfo, M_SOS);  in emit_pseudo_sos()
388   emit_2bytes(cinfo, 2 + 1 + 3); /* length */  in emit_pseudo_sos()
390   emit_byte(cinfo, 0); /* Ns */  in emit_pseudo_sos()
392   emit_byte(cinfo, 0); /* Ss */  in emit_pseudo_sos()
393   emit_byte(cinfo, cinfo->block_size * cinfo->block_size - 1); /* Se */  in emit_pseudo_sos()
394   emit_byte(cinfo, 0); /* Ah/Al */  in emit_pseudo_sos()
399 emit_jfif_app0 (j_compress_ptr cinfo)  in emit_jfif_app0()  argument
414   emit_marker(cinfo, M_APP0);  in emit_jfif_app0()
416   emit_2bytes(cinfo, 2 + 4 + 1 + 2 + 1 + 2 + 2 + 1 + 1); /* length */  in emit_jfif_app0()
418   emit_byte(cinfo, 0x4A);	/* Identifier: ASCII "JFIF" */  in emit_jfif_app0()
419   emit_byte(cinfo, 0x46);  in emit_jfif_app0()
420   emit_byte(cinfo, 0x49);  in emit_jfif_app0()
421   emit_byte(cinfo, 0x46);  in emit_jfif_app0()
422   emit_byte(cinfo, 0);  in emit_jfif_app0()
423   emit_byte(cinfo, cinfo->JFIF_major_version); /* Version fields */  in emit_jfif_app0()
424   emit_byte(cinfo, cinfo->JFIF_minor_version);  in emit_jfif_app0()
425   emit_byte(cinfo, cinfo->density_unit); /* Pixel size information */  in emit_jfif_app0()
426   emit_2bytes(cinfo, (int) cinfo->X_density);  in emit_jfif_app0()
427   emit_2bytes(cinfo, (int) cinfo->Y_density);  in emit_jfif_app0()
428   emit_byte(cinfo, 0);		/* No thumbnail image */  in emit_jfif_app0()
429   emit_byte(cinfo, 0);  in emit_jfif_app0()
434 emit_adobe_app14 (j_compress_ptr cinfo)  in emit_adobe_app14()  argument
453   emit_marker(cinfo, M_APP14);  in emit_adobe_app14()
455   emit_2bytes(cinfo, 2 + 5 + 2 + 2 + 2 + 1); /* length */  in emit_adobe_app14()
457   emit_byte(cinfo, 0x41);	/* Identifier: ASCII "Adobe" */  in emit_adobe_app14()
458   emit_byte(cinfo, 0x64);  in emit_adobe_app14()
459   emit_byte(cinfo, 0x6F);  in emit_adobe_app14()
460   emit_byte(cinfo, 0x62);  in emit_adobe_app14()
461   emit_byte(cinfo, 0x65);  in emit_adobe_app14()
462   emit_2bytes(cinfo, 100);	/* Version */  in emit_adobe_app14()
463   emit_2bytes(cinfo, 0);	/* Flags0 */  in emit_adobe_app14()
464   emit_2bytes(cinfo, 0);	/* Flags1 */  in emit_adobe_app14()
465   switch (cinfo->jpeg_color_space) {  in emit_adobe_app14()
467     emit_byte(cinfo, 1);	/* Color transform = 1 */  in emit_adobe_app14()
470     emit_byte(cinfo, 2);	/* Color transform = 2 */  in emit_adobe_app14()
473     emit_byte(cinfo, 0);	/* Color transform = 0 */  in emit_adobe_app14()
488 write_marker_header (j_compress_ptr cinfo, int marker, unsigned int datalen)  in write_marker_header()  argument
492     ERREXIT(cinfo, JERR_BAD_LENGTH);  in write_marker_header()
494   emit_marker(cinfo, (JPEG_MARKER) marker);  in write_marker_header()
496   emit_2bytes(cinfo, (int) (datalen + 2));	/* total length */  in write_marker_header()
500 write_marker_byte (j_compress_ptr cinfo, int val)  in write_marker_byte()  argument
503   emit_byte(cinfo, val);  in write_marker_byte()
519 write_file_header (j_compress_ptr cinfo)  in write_file_header()  argument
521   my_marker_ptr marker = (my_marker_ptr) cinfo->marker;  in write_file_header()
523   emit_marker(cinfo, M_SOI);	/* first the SOI */  in write_file_header()
528   if (cinfo->write_JFIF_header)	/* next an optional JFIF APP0 */  in write_file_header()
529     emit_jfif_app0(cinfo);  in write_file_header()
530   if (cinfo->write_Adobe_marker) /* next an optional Adobe APP14 */  in write_file_header()
531     emit_adobe_app14(cinfo);  in write_file_header()
545 write_frame_header (j_compress_ptr cinfo)  in write_frame_header()  argument
555   for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in write_frame_header()
557     prec += emit_dqt(cinfo, compptr->quant_tbl_no);  in write_frame_header()
564   if (cinfo->arith_code || cinfo->progressive_mode ||  in write_frame_header()
565       cinfo->data_precision != 8 || cinfo->block_size != DCTSIZE) {  in write_frame_header()
569     for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;  in write_frame_header()
577       TRACEMS(cinfo, 0, JTRC_16BIT_TABLES);  in write_frame_header()
582   if (cinfo->arith_code) {  in write_frame_header()
583     if (cinfo->progressive_mode)  in write_frame_header()
584       emit_sof(cinfo, M_SOF10); /* SOF code for progressive arithmetic */  in write_frame_header()
586       emit_sof(cinfo, M_SOF9);  /* SOF code for sequential arithmetic */  in write_frame_header()
588     if (cinfo->progressive_mode)  in write_frame_header()
589       emit_sof(cinfo, M_SOF2);	/* SOF code for progressive Huffman */  in write_frame_header()
591       emit_sof(cinfo, M_SOF0);	/* SOF code for baseline implementation */  in write_frame_header()
593       emit_sof(cinfo, M_SOF1);	/* SOF code for non-baseline Huffman file */  in write_frame_header()
597   if (cinfo->color_transform)  in write_frame_header()
598     emit_lse_ict(cinfo);  in write_frame_header()
601   if (cinfo->progressive_mode && cinfo->block_size != DCTSIZE)  in write_frame_header()
602     emit_pseudo_sos(cinfo);  in write_frame_header()
613 write_scan_header (j_compress_ptr cinfo)  in write_scan_header()  argument
615   my_marker_ptr marker = (my_marker_ptr) cinfo->marker;  in write_scan_header()
619   if (cinfo->arith_code) {  in write_scan_header()
624     emit_dac(cinfo);  in write_scan_header()
629     for (i = 0; i < cinfo->comps_in_scan; i++) {  in write_scan_header()
630       compptr = cinfo->cur_comp_info[i];  in write_scan_header()
632       if (cinfo->Ss == 0 && cinfo->Ah == 0)  in write_scan_header()
633         emit_dht(cinfo, compptr->dc_tbl_no, FALSE);  in write_scan_header()
635       if (cinfo->Se)  in write_scan_header()
636         emit_dht(cinfo, compptr->ac_tbl_no, TRUE);  in write_scan_header()
643   if (cinfo->restart_interval != marker->last_restart_interval) {  in write_scan_header()
644     emit_dri(cinfo);  in write_scan_header()
645     marker->last_restart_interval = cinfo->restart_interval;  in write_scan_header()
648   emit_sos(cinfo);  in write_scan_header()
657 write_file_trailer (j_compress_ptr cinfo)  in write_file_trailer()  argument
659   emit_marker(cinfo, M_EOI);  in write_file_trailer()
671 write_tables_only (j_compress_ptr cinfo)  in write_tables_only()  argument
675   emit_marker(cinfo, M_SOI);  in write_tables_only()
678     if (cinfo->quant_tbl_ptrs[i] != NULL)  in write_tables_only()
679       (void) emit_dqt(cinfo, i);  in write_tables_only()
682   if (! cinfo->arith_code) {  in write_tables_only()
684       if (cinfo->dc_huff_tbl_ptrs[i] != NULL)  in write_tables_only()
685         emit_dht(cinfo, i, FALSE);  in write_tables_only()
686       if (cinfo->ac_huff_tbl_ptrs[i] != NULL)  in write_tables_only()
687         emit_dht(cinfo, i, TRUE);  in write_tables_only()
691   emit_marker(cinfo, M_EOI);  in write_tables_only()
700 jinit_marker_writer (j_compress_ptr cinfo)  in jinit_marker_writer()  argument
706     (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,  in jinit_marker_writer()
708   cinfo->marker = &marker->pub;  in jinit_marker_writer()