| /* |
| * jcmarker.c |
| * |
| * This file was part of the Independent JPEG Group's software: |
| * Copyright (C) 1991-1998, Thomas G. Lane. |
| * Modified 2003-2010 by Guido Vollbeding. |
| * Lossless JPEG Modifications: |
| * Copyright (C) 1999, Ken Murchison. |
| * libjpeg-turbo Modifications: |
| * Copyright (C) 2010, 2022, D. R. Commander. |
| * For conditions of distribution and use, see the accompanying README.ijg |
| * file. |
| * |
| * This file contains routines to write JPEG datastream markers. |
| */ |
| |
| #define JPEG_INTERNALS |
| #include "jinclude.h" |
| #include "jpeglib.h" |
| #include "jpegapicomp.h" |
| |
| |
| typedef enum { /* JPEG marker codes */ |
| M_SOF0 = 0xc0, |
| M_SOF1 = 0xc1, |
| M_SOF2 = 0xc2, |
| M_SOF3 = 0xc3, |
| |
| M_SOF5 = 0xc5, |
| M_SOF6 = 0xc6, |
| M_SOF7 = 0xc7, |
| |
| M_JPG = 0xc8, |
| M_SOF9 = 0xc9, |
| M_SOF10 = 0xca, |
| M_SOF11 = 0xcb, |
| |
| M_SOF13 = 0xcd, |
| M_SOF14 = 0xce, |
| M_SOF15 = 0xcf, |
| |
| M_DHT = 0xc4, |
| |
| M_DAC = 0xcc, |
| |
| M_RST0 = 0xd0, |
| M_RST1 = 0xd1, |
| M_RST2 = 0xd2, |
| M_RST3 = 0xd3, |
| M_RST4 = 0xd4, |
| M_RST5 = 0xd5, |
| M_RST6 = 0xd6, |
| M_RST7 = 0xd7, |
| |
| M_SOI = 0xd8, |
| M_EOI = 0xd9, |
| M_SOS = 0xda, |
| M_DQT = 0xdb, |
| M_DNL = 0xdc, |
| M_DRI = 0xdd, |
| M_DHP = 0xde, |
| M_EXP = 0xdf, |
| |
| M_APP0 = 0xe0, |
| M_APP1 = 0xe1, |
| M_APP2 = 0xe2, |
| M_APP3 = 0xe3, |
| M_APP4 = 0xe4, |
| M_APP5 = 0xe5, |
| M_APP6 = 0xe6, |
| M_APP7 = 0xe7, |
| M_APP8 = 0xe8, |
| M_APP9 = 0xe9, |
| M_APP10 = 0xea, |
| M_APP11 = 0xeb, |
| M_APP12 = 0xec, |
| M_APP13 = 0xed, |
| M_APP14 = 0xee, |
| M_APP15 = 0xef, |
| |
| M_JPG0 = 0xf0, |
| M_JPG13 = 0xfd, |
| M_COM = 0xfe, |
| |
| M_TEM = 0x01, |
| |
| M_ERROR = 0x100 |
| } JPEG_MARKER; |
| |
| |
| /* Private state */ |
| |
| typedef struct { |
| struct jpeg_marker_writer pub; /* public fields */ |
| |
| unsigned int last_restart_interval; /* last DRI value emitted; 0 after SOI */ |
| } my_marker_writer; |
| |
| typedef my_marker_writer *my_marker_ptr; |
| |
| |
| /* |
| * Basic output routines. |
| * |
| * Note that we do not support suspension while writing a marker. |
| * Therefore, an application using suspension must ensure that there is |
| * enough buffer space for the initial markers (typ. 600-700 bytes) before |
| * calling jpeg_start_compress, and enough space to write the trailing EOI |
| * (a few bytes) before calling jpeg_finish_compress. Multipass compression |
| * modes are not supported at all with suspension, so those two are the only |
| * points where markers will be written. |
| */ |
| |
| LOCAL(void) |
| emit_byte(j_compress_ptr cinfo, int val) |
| /* Emit a byte */ |
| { |
| struct jpeg_destination_mgr *dest = cinfo->dest; |
| |
| *(dest->next_output_byte)++ = (JOCTET)val; |
| if (--dest->free_in_buffer == 0) { |
| if (!(*dest->empty_output_buffer) (cinfo)) |
| ERREXIT(cinfo, JERR_CANT_SUSPEND); |
| } |
| } |
| |
| |
| LOCAL(void) |
| emit_marker(j_compress_ptr cinfo, JPEG_MARKER mark) |
| /* Emit a marker code */ |
| { |
| emit_byte(cinfo, 0xFF); |
| emit_byte(cinfo, (int)mark); |
| } |
| |
| |
| LOCAL(void) |
| emit_2bytes(j_compress_ptr cinfo, int value) |
| /* Emit a 2-byte integer; these are always MSB first in JPEG files */ |
| { |
| emit_byte(cinfo, (value >> 8) & 0xFF); |
| emit_byte(cinfo, value & 0xFF); |
| } |
| |
| |
| /* |
| * Routines to write specific marker types. |
| */ |
| |
| LOCAL(int) |
| emit_dqt(j_compress_ptr cinfo, int index) |
| /* Emit a DQT marker */ |
| /* Returns the precision used (0 = 8bits, 1 = 16bits) for baseline checking */ |
| { |
| JQUANT_TBL *qtbl = cinfo->quant_tbl_ptrs[index]; |
| int prec; |
| int i; |
| |
| if (qtbl == NULL) |
| ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, index); |
| |
| prec = 0; |
| for (i = 0; i < DCTSIZE2; i++) { |
| if (qtbl->quantval[i] > 255) |
| prec = 1; |
| } |
| |
| if (!qtbl->sent_table) { |
| emit_marker(cinfo, M_DQT); |
| |
| emit_2bytes(cinfo, prec ? DCTSIZE2 * 2 + 1 + 2 : DCTSIZE2 + 1 + 2); |
| |
| emit_byte(cinfo, index + (prec << 4)); |
| |
| for (i = 0; i < DCTSIZE2; i++) { |
| /* The table entries must be emitted in zigzag order. */ |
| unsigned int qval = qtbl->quantval[jpeg_natural_order[i]]; |
| if (prec) |
| emit_byte(cinfo, (int)(qval >> 8)); |
| emit_byte(cinfo, (int)(qval & 0xFF)); |
| } |
| |
| qtbl->sent_table = TRUE; |
| } |
| |
| return prec; |
| } |
| |
| |
| LOCAL(void) |
| emit_dht(j_compress_ptr cinfo, int index, boolean is_ac) |
| /* Emit a DHT marker */ |
| { |
| JHUFF_TBL *htbl; |
| int length, i; |
| |
| if (is_ac) { |
| htbl = cinfo->ac_huff_tbl_ptrs[index]; |
| index += 0x10; /* output index has AC bit set */ |
| } else { |
| htbl = cinfo->dc_huff_tbl_ptrs[index]; |
| } |
| |
| if (htbl == NULL) |
| ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, index); |
| |
| if (!htbl->sent_table) { |
| emit_marker(cinfo, M_DHT); |
| |
| length = 0; |
| for (i = 1; i <= 16; i++) |
| length += htbl->bits[i]; |
| |
| emit_2bytes(cinfo, length + 2 + 1 + 16); |
| emit_byte(cinfo, index); |
| |
| for (i = 1; i <= 16; i++) |
| emit_byte(cinfo, htbl->bits[i]); |
| |
| for (i = 0; i < length; i++) |
| emit_byte(cinfo, htbl->huffval[i]); |
| |
| htbl->sent_table = TRUE; |
| } |
| } |
| |
| |
| LOCAL(void) |
| emit_dac(j_compress_ptr cinfo) |
| /* Emit a DAC marker */ |
| /* Since the useful info is so small, we want to emit all the tables in */ |
| /* one DAC marker. Therefore this routine does its own scan of the table. */ |
| { |
| #ifdef C_ARITH_CODING_SUPPORTED |
| char dc_in_use[NUM_ARITH_TBLS]; |
| char ac_in_use[NUM_ARITH_TBLS]; |
| int length, i; |
| jpeg_component_info *compptr; |
| |
| for (i = 0; i < NUM_ARITH_TBLS; i++) |
| dc_in_use[i] = ac_in_use[i] = 0; |
| |
| for (i = 0; i < cinfo->comps_in_scan; i++) { |
| compptr = cinfo->cur_comp_info[i]; |
| /* DC needs no table for refinement scan */ |
| if (cinfo->Ss == 0 && cinfo->Ah == 0) |
| dc_in_use[compptr->dc_tbl_no] = 1; |
| /* AC needs no table when not present */ |
| if (cinfo->Se) |
| ac_in_use[compptr->ac_tbl_no] = 1; |
| } |
| |
| length = 0; |
| for (i = 0; i < NUM_ARITH_TBLS; i++) |
| length += dc_in_use[i] + ac_in_use[i]; |
| |
| if (length) { |
| emit_marker(cinfo, M_DAC); |
| |
| emit_2bytes(cinfo, length * 2 + 2); |
| |
| for (i = 0; i < NUM_ARITH_TBLS; i++) { |
| if (dc_in_use[i]) { |
| emit_byte(cinfo, i); |
| emit_byte(cinfo, cinfo->arith_dc_L[i] + (cinfo->arith_dc_U[i] << 4)); |
| } |
| if (ac_in_use[i]) { |
| emit_byte(cinfo, i + 0x10); |
| emit_byte(cinfo, cinfo->arith_ac_K[i]); |
| } |
| } |
| } |
| #endif /* C_ARITH_CODING_SUPPORTED */ |
| } |
| |
| |
| LOCAL(void) |
| emit_dri(j_compress_ptr cinfo) |
| /* Emit a DRI marker */ |
| { |
| emit_marker(cinfo, M_DRI); |
| |
| emit_2bytes(cinfo, 4); /* fixed length */ |
| |
| emit_2bytes(cinfo, (int)cinfo->restart_interval); |
| } |
| |
| |
| LOCAL(void) |
| emit_sof(j_compress_ptr cinfo, JPEG_MARKER code) |
| /* Emit a SOF marker */ |
| { |
| int ci; |
| jpeg_component_info *compptr; |
| |
| emit_marker(cinfo, code); |
| |
| emit_2bytes(cinfo, 3 * cinfo->num_components + 2 + 5 + 1); /* length */ |
| |
| /* Make sure image isn't bigger than SOF field can handle */ |
| if ((long)cinfo->_jpeg_height > 65535L || (long)cinfo->_jpeg_width > 65535L) |
| ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int)65535); |
| |
| emit_byte(cinfo, cinfo->data_precision); |
| emit_2bytes(cinfo, (int)cinfo->_jpeg_height); |
| emit_2bytes(cinfo, (int)cinfo->_jpeg_width); |
| |
| emit_byte(cinfo, cinfo->num_components); |
| |
| for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; |
| ci++, compptr++) { |
| emit_byte(cinfo, compptr->component_id); |
| emit_byte(cinfo, (compptr->h_samp_factor << 4) + compptr->v_samp_factor); |
| emit_byte(cinfo, compptr->quant_tbl_no); |
| } |
| } |
| |
| |
| LOCAL(void) |
| emit_sos(j_compress_ptr cinfo) |
| /* Emit a SOS marker */ |
| { |
| int i, td, ta; |
| jpeg_component_info *compptr; |
| |
| emit_marker(cinfo, M_SOS); |
| |
| emit_2bytes(cinfo, 2 * cinfo->comps_in_scan + 2 + 1 + 3); /* length */ |
| |
| emit_byte(cinfo, cinfo->comps_in_scan); |
| |
| for (i = 0; i < cinfo->comps_in_scan; i++) { |
| compptr = cinfo->cur_comp_info[i]; |
| emit_byte(cinfo, compptr->component_id); |
| |
| /* We emit 0 for unused field(s); this is recommended by the P&M text |
| * but does not seem to be specified in the standard. |
| */ |
| |
| /* DC needs no table for refinement scan */ |
| td = cinfo->Ss == 0 && cinfo->Ah == 0 ? compptr->dc_tbl_no : 0; |
| /* AC needs no table when not present */ |
| ta = cinfo->Se ? compptr->ac_tbl_no : 0; |
| |
| emit_byte(cinfo, (td << 4) + ta); |
| } |
| |
| emit_byte(cinfo, cinfo->Ss); |
| emit_byte(cinfo, cinfo->Se); |
| emit_byte(cinfo, (cinfo->Ah << 4) + cinfo->Al); |
| } |
| |
| |
| LOCAL(void) |
| emit_jfif_app0(j_compress_ptr cinfo) |
| /* Emit a JFIF-compliant APP0 marker */ |
| { |
| /* |
| * Length of APP0 block (2 bytes) |
| * Block ID (4 bytes - ASCII "JFIF") |
| * Zero byte (1 byte to terminate the ID string) |
| * Version Major, Minor (2 bytes - major first) |
| * Units (1 byte - 0x00 = none, 0x01 = inch, 0x02 = cm) |
| * Xdpu (2 bytes - dots per unit horizontal) |
| * Ydpu (2 bytes - dots per unit vertical) |
| * Thumbnail X size (1 byte) |
| * Thumbnail Y size (1 byte) |
| */ |
| |
| emit_marker(cinfo, M_APP0); |
| |
| emit_2bytes(cinfo, 2 + 4 + 1 + 2 + 1 + 2 + 2 + 1 + 1); /* length */ |
| |
| emit_byte(cinfo, 0x4A); /* Identifier: ASCII "JFIF" */ |
| emit_byte(cinfo, 0x46); |
| emit_byte(cinfo, 0x49); |
| emit_byte(cinfo, 0x46); |
| emit_byte(cinfo, 0); |
| emit_byte(cinfo, cinfo->JFIF_major_version); /* Version fields */ |
| emit_byte(cinfo, cinfo->JFIF_minor_version); |
| emit_byte(cinfo, cinfo->density_unit); /* Pixel size information */ |
| emit_2bytes(cinfo, (int)cinfo->X_density); |
| emit_2bytes(cinfo, (int)cinfo->Y_density); |
| emit_byte(cinfo, 0); /* No thumbnail image */ |
| emit_byte(cinfo, 0); |
| } |
| |
| |
| LOCAL(void) |
| emit_adobe_app14(j_compress_ptr cinfo) |
| /* Emit an Adobe APP14 marker */ |
| { |
| /* |
| * Length of APP14 block (2 bytes) |
| * Block ID (5 bytes - ASCII "Adobe") |
| * Version Number (2 bytes - currently 100) |
| * Flags0 (2 bytes - currently 0) |
| * Flags1 (2 bytes - currently 0) |
| * Color transform (1 byte) |
| * |
| * Although Adobe TN 5116 mentions Version = 101, all the Adobe files |
| * now in circulation seem to use Version = 100, so that's what we write. |
| * |
| * We write the color transform byte as 1 if the JPEG color space is |
| * YCbCr, 2 if it's YCCK, 0 otherwise. Adobe's definition has to do with |
| * whether the encoder performed a transformation, which is pretty useless. |
| */ |
| |
| emit_marker(cinfo, M_APP14); |
| |
| emit_2bytes(cinfo, 2 + 5 + 2 + 2 + 2 + 1); /* length */ |
| |
| emit_byte(cinfo, 0x41); /* Identifier: ASCII "Adobe" */ |
| emit_byte(cinfo, 0x64); |
| emit_byte(cinfo, 0x6F); |
| emit_byte(cinfo, 0x62); |
| emit_byte(cinfo, 0x65); |
| emit_2bytes(cinfo, 100); /* Version */ |
| emit_2bytes(cinfo, 0); /* Flags0 */ |
| emit_2bytes(cinfo, 0); /* Flags1 */ |
| switch (cinfo->jpeg_color_space) { |
| case JCS_YCbCr: |
| emit_byte(cinfo, 1); /* Color transform = 1 */ |
| break; |
| case JCS_YCCK: |
| emit_byte(cinfo, 2); /* Color transform = 2 */ |
| break; |
| default: |
| emit_byte(cinfo, 0); /* Color transform = 0 */ |
| break; |
| } |
| } |
| |
| |
| /* |
| * These routines allow writing an arbitrary marker with parameters. |
| * The only intended use is to emit COM or APPn markers after calling |
| * write_file_header and before calling write_frame_header. |
| * Other uses are not guaranteed to produce desirable results. |
| * Counting the parameter bytes properly is the caller's responsibility. |
| */ |
| |
| METHODDEF(void) |
| write_marker_header(j_compress_ptr cinfo, int marker, unsigned int datalen) |
| /* Emit an arbitrary marker header */ |
| { |
| if (datalen > (unsigned int)65533) /* safety check */ |
| ERREXIT(cinfo, JERR_BAD_LENGTH); |
| |
| emit_marker(cinfo, (JPEG_MARKER)marker); |
| |
| emit_2bytes(cinfo, (int)(datalen + 2)); /* total length */ |
| } |
| |
| METHODDEF(void) |
| write_marker_byte(j_compress_ptr cinfo, int val) |
| /* Emit one byte of marker parameters following write_marker_header */ |
| { |
| emit_byte(cinfo, val); |
| } |
| |
| |
| /* |
| * Write datastream header. |
| * This consists of an SOI and optional APPn markers. |
| * We recommend use of the JFIF marker, but not the Adobe marker, |
| * when using YCbCr or grayscale data. The JFIF marker should NOT |
| * be used for any other JPEG colorspace. The Adobe marker is helpful |
| * to distinguish RGB, CMYK, and YCCK colorspaces. |
| * Note that an application can write additional header markers after |
| * jpeg_start_compress returns. |
| */ |
| |
| METHODDEF(void) |
| write_file_header(j_compress_ptr cinfo) |
| { |
| my_marker_ptr marker = (my_marker_ptr)cinfo->marker; |
| |
| emit_marker(cinfo, M_SOI); /* first the SOI */ |
| |
| /* SOI is defined to reset restart interval to 0 */ |
| marker->last_restart_interval = 0; |
| |
| if (cinfo->write_JFIF_header) /* next an optional JFIF APP0 */ |
| emit_jfif_app0(cinfo); |
| if (cinfo->write_Adobe_marker) /* next an optional Adobe APP14 */ |
| emit_adobe_app14(cinfo); |
| } |
| |
| |
| /* |
| * Write frame header. |
| * This consists of DQT and SOFn markers. |
| * Note that we do not emit the SOF until we have emitted the DQT(s). |
| * This avoids compatibility problems with incorrect implementations that |
| * try to error-check the quant table numbers as soon as they see the SOF. |
| */ |
| |
| METHODDEF(void) |
| write_frame_header(j_compress_ptr cinfo) |
| { |
| int ci, prec = 0; |
| boolean is_baseline; |
| jpeg_component_info *compptr; |
| |
| if (!cinfo->master->lossless) { |
| /* Emit DQT for each quantization table. |
| * Note that emit_dqt() suppresses any duplicate tables. |
| */ |
| for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; |
| ci++, compptr++) { |
| prec += emit_dqt(cinfo, compptr->quant_tbl_no); |
| } |
| /* now prec is nonzero iff there are any 16-bit quant tables. */ |
| } |
| |
| /* Check for a non-baseline specification. |
| * Note we assume that Huffman table numbers won't be changed later. |
| */ |
| if (cinfo->arith_code || cinfo->progressive_mode || |
| cinfo->master->lossless || cinfo->data_precision != 8) { |
| is_baseline = FALSE; |
| } else { |
| is_baseline = TRUE; |
| for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; |
| ci++, compptr++) { |
| if (compptr->dc_tbl_no > 1 || compptr->ac_tbl_no > 1) |
| is_baseline = FALSE; |
| } |
| if (prec && is_baseline) { |
| is_baseline = FALSE; |
| /* If it's baseline except for quantizer size, warn the user */ |
| TRACEMS(cinfo, 0, JTRC_16BIT_TABLES); |
| } |
| } |
| |
| /* Emit the proper SOF marker */ |
| if (cinfo->arith_code) { |
| if (cinfo->progressive_mode) |
| emit_sof(cinfo, M_SOF10); /* SOF code for progressive arithmetic */ |
| else |
| emit_sof(cinfo, M_SOF9); /* SOF code for sequential arithmetic */ |
| } else { |
| if (cinfo->progressive_mode) |
| emit_sof(cinfo, M_SOF2); /* SOF code for progressive Huffman */ |
| else if (cinfo->master->lossless) |
| emit_sof(cinfo, M_SOF3); /* SOF code for lossless Huffman */ |
| else if (is_baseline) |
| emit_sof(cinfo, M_SOF0); /* SOF code for baseline implementation */ |
| else |
| emit_sof(cinfo, M_SOF1); /* SOF code for non-baseline Huffman file */ |
| } |
| } |
| |
| |
| /* |
| * Write scan header. |
| * This consists of DHT or DAC markers, optional DRI, and SOS. |
| * Compressed data will be written following the SOS. |
| */ |
| |
| METHODDEF(void) |
| write_scan_header(j_compress_ptr cinfo) |
| { |
| my_marker_ptr marker = (my_marker_ptr)cinfo->marker; |
| int i; |
| jpeg_component_info *compptr; |
| |
| if (cinfo->arith_code) { |
| /* Emit arith conditioning info. We may have some duplication |
| * if the file has multiple scans, but it's so small it's hardly |
| * worth worrying about. |
| */ |
| emit_dac(cinfo); |
| } else { |
| /* Emit Huffman tables. |
| * Note that emit_dht() suppresses any duplicate tables. |
| */ |
| for (i = 0; i < cinfo->comps_in_scan; i++) { |
| compptr = cinfo->cur_comp_info[i]; |
| /* DC needs no table for refinement scan */ |
| if ((cinfo->Ss == 0 && cinfo->Ah == 0) || cinfo->master->lossless) |
| emit_dht(cinfo, compptr->dc_tbl_no, FALSE); |
| /* AC needs no table when not present, and lossless mode uses only DC |
| tables. */ |
| if (cinfo->Se && !cinfo->master->lossless) |
| emit_dht(cinfo, compptr->ac_tbl_no, TRUE); |
| } |
| } |
| |
| /* Emit DRI if required --- note that DRI value could change for each scan. |
| * We avoid wasting space with unnecessary DRIs, however. |
| */ |
| if (cinfo->restart_interval != marker->last_restart_interval) { |
| emit_dri(cinfo); |
| marker->last_restart_interval = cinfo->restart_interval; |
| } |
| |
| emit_sos(cinfo); |
| } |
| |
| |
| /* |
| * Write datastream trailer. |
| */ |
| |
| METHODDEF(void) |
| write_file_trailer(j_compress_ptr cinfo) |
| { |
| emit_marker(cinfo, M_EOI); |
| } |
| |
| |
| /* |
| * Write an abbreviated table-specification datastream. |
| * This consists of SOI, DQT and DHT tables, and EOI. |
| * Any table that is defined and not marked sent_table = TRUE will be |
| * emitted. Note that all tables will be marked sent_table = TRUE at exit. |
| */ |
| |
| METHODDEF(void) |
| write_tables_only(j_compress_ptr cinfo) |
| { |
| int i; |
| |
| emit_marker(cinfo, M_SOI); |
| |
| for (i = 0; i < NUM_QUANT_TBLS; i++) { |
| if (cinfo->quant_tbl_ptrs[i] != NULL) |
| (void)emit_dqt(cinfo, i); |
| } |
| |
| if (!cinfo->arith_code) { |
| for (i = 0; i < NUM_HUFF_TBLS; i++) { |
| if (cinfo->dc_huff_tbl_ptrs[i] != NULL) |
| emit_dht(cinfo, i, FALSE); |
| if (cinfo->ac_huff_tbl_ptrs[i] != NULL) |
| emit_dht(cinfo, i, TRUE); |
| } |
| } |
| |
| emit_marker(cinfo, M_EOI); |
| } |
| |
| |
| /* |
| * Initialize the marker writer module. |
| */ |
| |
| GLOBAL(void) |
| jinit_marker_writer(j_compress_ptr cinfo) |
| { |
| my_marker_ptr marker; |
| |
| /* Create the subobject */ |
| marker = (my_marker_ptr) |
| (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE, |
| sizeof(my_marker_writer)); |
| cinfo->marker = (struct jpeg_marker_writer *)marker; |
| /* Initialize method pointers */ |
| marker->pub.write_file_header = write_file_header; |
| marker->pub.write_frame_header = write_frame_header; |
| marker->pub.write_scan_header = write_scan_header; |
| marker->pub.write_file_trailer = write_file_trailer; |
| marker->pub.write_tables_only = write_tables_only; |
| marker->pub.write_marker_header = write_marker_header; |
| marker->pub.write_marker_byte = write_marker_byte; |
| /* Initialize private state */ |
| marker->last_restart_interval = 0; |
| } |