| Index: third_party/libjpeg/jdapimin.c
|
| diff --git a/third_party/libjpeg/jdapimin.c b/third_party/libjpeg/jdapimin.c
|
| deleted file mode 100644
|
| index cadb59fce3aa1cc239e86c592774cc500e109613..0000000000000000000000000000000000000000
|
| --- a/third_party/libjpeg/jdapimin.c
|
| +++ /dev/null
|
| @@ -1,395 +0,0 @@
|
| -/*
|
| - * jdapimin.c
|
| - *
|
| - * Copyright (C) 1994-1998, Thomas G. Lane.
|
| - * This file is part of the Independent JPEG Group's software.
|
| - * For conditions of distribution and use, see the accompanying README file.
|
| - *
|
| - * This file contains application interface code for the decompression half
|
| - * of the JPEG library. These are the "minimum" API routines that may be
|
| - * needed in either the normal full-decompression case or the
|
| - * transcoding-only case.
|
| - *
|
| - * Most of the routines intended to be called directly by an application
|
| - * are in this file or in jdapistd.c. But also see jcomapi.c for routines
|
| - * shared by compression and decompression, and jdtrans.c for the transcoding
|
| - * case.
|
| - */
|
| -
|
| -#define JPEG_INTERNALS
|
| -#include "jinclude.h"
|
| -#include "jpeglib.h"
|
| -
|
| -
|
| -/*
|
| - * Initialization of a JPEG decompression object.
|
| - * The error manager must already be set up (in case memory manager fails).
|
| - */
|
| -
|
| -GLOBAL(void)
|
| -jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize)
|
| -{
|
| - int i;
|
| -
|
| - /* Guard against version mismatches between library and caller. */
|
| - cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */
|
| - if (version != JPEG_LIB_VERSION)
|
| - ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version);
|
| - if (structsize != SIZEOF(struct jpeg_decompress_struct))
|
| - ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE,
|
| - (int) SIZEOF(struct jpeg_decompress_struct), (int) structsize);
|
| -
|
| - /* For debugging purposes, we zero the whole master structure.
|
| - * But the application has already set the err pointer, and may have set
|
| - * client_data, so we have to save and restore those fields.
|
| - * Note: if application hasn't set client_data, tools like Purify may
|
| - * complain here.
|
| - */
|
| - {
|
| - struct jpeg_error_mgr * err = cinfo->err;
|
| - void * client_data = cinfo->client_data; /* ignore Purify complaint here */
|
| - MEMZERO(cinfo, SIZEOF(struct jpeg_decompress_struct));
|
| - cinfo->err = err;
|
| - cinfo->client_data = client_data;
|
| - }
|
| - cinfo->is_decompressor = TRUE;
|
| -
|
| - /* Initialize a memory manager instance for this object */
|
| - jinit_memory_mgr((j_common_ptr) cinfo);
|
| -
|
| - /* Zero out pointers to permanent structures. */
|
| - cinfo->progress = NULL;
|
| - cinfo->src = NULL;
|
| -
|
| - for (i = 0; i < NUM_QUANT_TBLS; i++)
|
| - cinfo->quant_tbl_ptrs[i] = NULL;
|
| -
|
| - for (i = 0; i < NUM_HUFF_TBLS; i++) {
|
| - cinfo->dc_huff_tbl_ptrs[i] = NULL;
|
| - cinfo->ac_huff_tbl_ptrs[i] = NULL;
|
| - }
|
| -
|
| - /* Initialize marker processor so application can override methods
|
| - * for COM, APPn markers before calling jpeg_read_header.
|
| - */
|
| - cinfo->marker_list = NULL;
|
| - jinit_marker_reader(cinfo);
|
| -
|
| - /* And initialize the overall input controller. */
|
| - jinit_input_controller(cinfo);
|
| -
|
| - /* OK, I'm ready */
|
| - cinfo->global_state = DSTATE_START;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Destruction of a JPEG decompression object
|
| - */
|
| -
|
| -GLOBAL(void)
|
| -jpeg_destroy_decompress (j_decompress_ptr cinfo)
|
| -{
|
| - jpeg_destroy((j_common_ptr) cinfo); /* use common routine */
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Abort processing of a JPEG decompression operation,
|
| - * but don't destroy the object itself.
|
| - */
|
| -
|
| -GLOBAL(void)
|
| -jpeg_abort_decompress (j_decompress_ptr cinfo)
|
| -{
|
| - jpeg_abort((j_common_ptr) cinfo); /* use common routine */
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Set default decompression parameters.
|
| - */
|
| -
|
| -LOCAL(void)
|
| -default_decompress_parms (j_decompress_ptr cinfo)
|
| -{
|
| - /* Guess the input colorspace, and set output colorspace accordingly. */
|
| - /* (Wish JPEG committee had provided a real way to specify this...) */
|
| - /* Note application may override our guesses. */
|
| - switch (cinfo->num_components) {
|
| - case 1:
|
| - cinfo->jpeg_color_space = JCS_GRAYSCALE;
|
| - cinfo->out_color_space = JCS_GRAYSCALE;
|
| - break;
|
| -
|
| - case 3:
|
| - if (cinfo->saw_JFIF_marker) {
|
| - cinfo->jpeg_color_space = JCS_YCbCr; /* JFIF implies YCbCr */
|
| - } else if (cinfo->saw_Adobe_marker) {
|
| - switch (cinfo->Adobe_transform) {
|
| - case 0:
|
| - cinfo->jpeg_color_space = JCS_RGB;
|
| - break;
|
| - case 1:
|
| - cinfo->jpeg_color_space = JCS_YCbCr;
|
| - break;
|
| - default:
|
| - WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
|
| - cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
|
| - break;
|
| - }
|
| - } else {
|
| - /* Saw no special markers, try to guess from the component IDs */
|
| - int cid0 = cinfo->comp_info[0].component_id;
|
| - int cid1 = cinfo->comp_info[1].component_id;
|
| - int cid2 = cinfo->comp_info[2].component_id;
|
| -
|
| - if (cid0 == 1 && cid1 == 2 && cid2 == 3)
|
| - cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */
|
| - else if (cid0 == 82 && cid1 == 71 && cid2 == 66)
|
| - cinfo->jpeg_color_space = JCS_RGB; /* ASCII 'R', 'G', 'B' */
|
| - else {
|
| - TRACEMS3(cinfo, 1, JTRC_UNKNOWN_IDS, cid0, cid1, cid2);
|
| - cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
|
| - }
|
| - }
|
| - /* Always guess RGB is proper output colorspace. */
|
| - cinfo->out_color_space = JCS_RGB;
|
| - break;
|
| -
|
| - case 4:
|
| - if (cinfo->saw_Adobe_marker) {
|
| - switch (cinfo->Adobe_transform) {
|
| - case 0:
|
| - cinfo->jpeg_color_space = JCS_CMYK;
|
| - break;
|
| - case 2:
|
| - cinfo->jpeg_color_space = JCS_YCCK;
|
| - break;
|
| - default:
|
| - WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
|
| - cinfo->jpeg_color_space = JCS_YCCK; /* assume it's YCCK */
|
| - break;
|
| - }
|
| - } else {
|
| - /* No special markers, assume straight CMYK. */
|
| - cinfo->jpeg_color_space = JCS_CMYK;
|
| - }
|
| - cinfo->out_color_space = JCS_CMYK;
|
| - break;
|
| -
|
| - default:
|
| - cinfo->jpeg_color_space = JCS_UNKNOWN;
|
| - cinfo->out_color_space = JCS_UNKNOWN;
|
| - break;
|
| - }
|
| -
|
| - /* Set defaults for other decompression parameters. */
|
| - cinfo->scale_num = 1; /* 1:1 scaling */
|
| - cinfo->scale_denom = 1;
|
| - cinfo->output_gamma = 1.0;
|
| - cinfo->buffered_image = FALSE;
|
| - cinfo->raw_data_out = FALSE;
|
| - cinfo->dct_method = JDCT_DEFAULT;
|
| - cinfo->do_fancy_upsampling = TRUE;
|
| - cinfo->do_block_smoothing = TRUE;
|
| - cinfo->quantize_colors = FALSE;
|
| - /* We set these in case application only sets quantize_colors. */
|
| - cinfo->dither_mode = JDITHER_FS;
|
| -#ifdef QUANT_2PASS_SUPPORTED
|
| - cinfo->two_pass_quantize = TRUE;
|
| -#else
|
| - cinfo->two_pass_quantize = FALSE;
|
| -#endif
|
| - cinfo->desired_number_of_colors = 256;
|
| - cinfo->colormap = NULL;
|
| - /* Initialize for no mode change in buffered-image mode. */
|
| - cinfo->enable_1pass_quant = FALSE;
|
| - cinfo->enable_external_quant = FALSE;
|
| - cinfo->enable_2pass_quant = FALSE;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Decompression startup: read start of JPEG datastream to see what's there.
|
| - * Need only initialize JPEG object and supply a data source before calling.
|
| - *
|
| - * This routine will read as far as the first SOS marker (ie, actual start of
|
| - * compressed data), and will save all tables and parameters in the JPEG
|
| - * object. It will also initialize the decompression parameters to default
|
| - * values, and finally return JPEG_HEADER_OK. On return, the application may
|
| - * adjust the decompression parameters and then call jpeg_start_decompress.
|
| - * (Or, if the application only wanted to determine the image parameters,
|
| - * the data need not be decompressed. In that case, call jpeg_abort or
|
| - * jpeg_destroy to release any temporary space.)
|
| - * If an abbreviated (tables only) datastream is presented, the routine will
|
| - * return JPEG_HEADER_TABLES_ONLY upon reaching EOI. The application may then
|
| - * re-use the JPEG object to read the abbreviated image datastream(s).
|
| - * It is unnecessary (but OK) to call jpeg_abort in this case.
|
| - * The JPEG_SUSPENDED return code only occurs if the data source module
|
| - * requests suspension of the decompressor. In this case the application
|
| - * should load more source data and then re-call jpeg_read_header to resume
|
| - * processing.
|
| - * If a non-suspending data source is used and require_image is TRUE, then the
|
| - * return code need not be inspected since only JPEG_HEADER_OK is possible.
|
| - *
|
| - * This routine is now just a front end to jpeg_consume_input, with some
|
| - * extra error checking.
|
| - */
|
| -
|
| -GLOBAL(int)
|
| -jpeg_read_header (j_decompress_ptr cinfo, boolean require_image)
|
| -{
|
| - int retcode;
|
| -
|
| - if (cinfo->global_state != DSTATE_START &&
|
| - cinfo->global_state != DSTATE_INHEADER)
|
| - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
|
| -
|
| - retcode = jpeg_consume_input(cinfo);
|
| -
|
| - switch (retcode) {
|
| - case JPEG_REACHED_SOS:
|
| - retcode = JPEG_HEADER_OK;
|
| - break;
|
| - case JPEG_REACHED_EOI:
|
| - if (require_image) /* Complain if application wanted an image */
|
| - ERREXIT(cinfo, JERR_NO_IMAGE);
|
| - /* Reset to start state; it would be safer to require the application to
|
| - * call jpeg_abort, but we can't change it now for compatibility reasons.
|
| - * A side effect is to free any temporary memory (there shouldn't be any).
|
| - */
|
| - jpeg_abort((j_common_ptr) cinfo); /* sets state = DSTATE_START */
|
| - retcode = JPEG_HEADER_TABLES_ONLY;
|
| - break;
|
| - case JPEG_SUSPENDED:
|
| - /* no work */
|
| - break;
|
| - }
|
| -
|
| - return retcode;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Consume data in advance of what the decompressor requires.
|
| - * This can be called at any time once the decompressor object has
|
| - * been created and a data source has been set up.
|
| - *
|
| - * This routine is essentially a state machine that handles a couple
|
| - * of critical state-transition actions, namely initial setup and
|
| - * transition from header scanning to ready-for-start_decompress.
|
| - * All the actual input is done via the input controller's consume_input
|
| - * method.
|
| - */
|
| -
|
| -GLOBAL(int)
|
| -jpeg_consume_input (j_decompress_ptr cinfo)
|
| -{
|
| - int retcode = JPEG_SUSPENDED;
|
| -
|
| - /* NB: every possible DSTATE value should be listed in this switch */
|
| - switch (cinfo->global_state) {
|
| - case DSTATE_START:
|
| - /* Start-of-datastream actions: reset appropriate modules */
|
| - (*cinfo->inputctl->reset_input_controller) (cinfo);
|
| - /* Initialize application's data source module */
|
| - (*cinfo->src->init_source) (cinfo);
|
| - cinfo->global_state = DSTATE_INHEADER;
|
| - /*FALLTHROUGH*/
|
| - case DSTATE_INHEADER:
|
| - retcode = (*cinfo->inputctl->consume_input) (cinfo);
|
| - if (retcode == JPEG_REACHED_SOS) { /* Found SOS, prepare to decompress */
|
| - /* Set up default parameters based on header data */
|
| - default_decompress_parms(cinfo);
|
| - /* Set global state: ready for start_decompress */
|
| - cinfo->global_state = DSTATE_READY;
|
| - }
|
| - break;
|
| - case DSTATE_READY:
|
| - /* Can't advance past first SOS until start_decompress is called */
|
| - retcode = JPEG_REACHED_SOS;
|
| - break;
|
| - case DSTATE_PRELOAD:
|
| - case DSTATE_PRESCAN:
|
| - case DSTATE_SCANNING:
|
| - case DSTATE_RAW_OK:
|
| - case DSTATE_BUFIMAGE:
|
| - case DSTATE_BUFPOST:
|
| - case DSTATE_STOPPING:
|
| - retcode = (*cinfo->inputctl->consume_input) (cinfo);
|
| - break;
|
| - default:
|
| - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
|
| - }
|
| - return retcode;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Have we finished reading the input file?
|
| - */
|
| -
|
| -GLOBAL(boolean)
|
| -jpeg_input_complete (j_decompress_ptr cinfo)
|
| -{
|
| - /* Check for valid jpeg object */
|
| - if (cinfo->global_state < DSTATE_START ||
|
| - cinfo->global_state > DSTATE_STOPPING)
|
| - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
|
| - return cinfo->inputctl->eoi_reached;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Is there more than one scan?
|
| - */
|
| -
|
| -GLOBAL(boolean)
|
| -jpeg_has_multiple_scans (j_decompress_ptr cinfo)
|
| -{
|
| - /* Only valid after jpeg_read_header completes */
|
| - if (cinfo->global_state < DSTATE_READY ||
|
| - cinfo->global_state > DSTATE_STOPPING)
|
| - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
|
| - return cinfo->inputctl->has_multiple_scans;
|
| -}
|
| -
|
| -
|
| -/*
|
| - * Finish JPEG decompression.
|
| - *
|
| - * This will normally just verify the file trailer and release temp storage.
|
| - *
|
| - * Returns FALSE if suspended. The return value need be inspected only if
|
| - * a suspending data source is used.
|
| - */
|
| -
|
| -GLOBAL(boolean)
|
| -jpeg_finish_decompress (j_decompress_ptr cinfo)
|
| -{
|
| - if ((cinfo->global_state == DSTATE_SCANNING ||
|
| - cinfo->global_state == DSTATE_RAW_OK) && ! cinfo->buffered_image) {
|
| - /* Terminate final pass of non-buffered mode */
|
| - if (cinfo->output_scanline < cinfo->output_height)
|
| - ERREXIT(cinfo, JERR_TOO_LITTLE_DATA);
|
| - (*cinfo->master->finish_output_pass) (cinfo);
|
| - cinfo->global_state = DSTATE_STOPPING;
|
| - } else if (cinfo->global_state == DSTATE_BUFIMAGE) {
|
| - /* Finishing after a buffered-image operation */
|
| - cinfo->global_state = DSTATE_STOPPING;
|
| - } else if (cinfo->global_state != DSTATE_STOPPING) {
|
| - /* STOPPING = repeat call after a suspension, anything else is error */
|
| - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
|
| - }
|
| - /* Read until EOI */
|
| - while (! cinfo->inputctl->eoi_reached) {
|
| - if ((*cinfo->inputctl->consume_input) (cinfo) == JPEG_SUSPENDED)
|
| - return FALSE; /* Suspend, come back later */
|
| - }
|
| - /* Do final cleanup */
|
| - (*cinfo->src->term_source) (cinfo);
|
| - /* We can use jpeg_abort to release memory and reset global_state */
|
| - jpeg_abort((j_common_ptr) cinfo);
|
| - return TRUE;
|
| -}
|
|
|