diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpg/jpg_enc.c')
-rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpg/jpg_enc.c | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpg/jpg_enc.c b/src/3rdparty/jasper/src/libjasper/jpg/jpg_enc.c deleted file mode 100644 index 5663076..0000000 --- a/src/3rdparty/jasper/src/libjasper/jpg/jpg_enc.c +++ /dev/null @@ -1,414 +0,0 @@ -/* - * Copyright (c) 2001-2003 Michael David Adams. - * All rights reserved. - */ - -/* __START_OF_JASPER_LICENSE__ - * - * JasPer License Version 2.0 - * - * Copyright (c) 2001-2006 Michael David Adams - * Copyright (c) 1999-2000 Image Power, Inc. - * Copyright (c) 1999-2000 The University of British Columbia - * - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person (the - * "User") obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, and/or sell copies of the Software, and to permit - * persons to whom the Software is furnished to do so, subject to the - * following conditions: - * - * 1. The above copyright notices and this permission notice (which - * includes the disclaimer below) shall be included in all copies or - * substantial portions of the Software. - * - * 2. The name of a copyright holder shall not be used to endorse or - * promote products derived from the Software without specific prior - * written permission. - * - * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS - * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER - * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS - * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL - * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING - * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE - * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE - * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. - * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS - * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL - * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS - * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE - * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE - * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL - * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, - * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL - * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH - * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, - * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH - * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY - * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. - * - * __END_OF_JASPER_LICENSE__ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include <assert.h> -#include "jasper/jas_types.h" - -#include "jasper/jas_tvp.h" -#include "jasper/jas_stream.h" -#include "jasper/jas_image.h" -#include "jasper/jas_string.h" -#include "jasper/jas_debug.h" - -#include "jpg_jpeglib.h" -#include "jpg_cod.h" -#include "jpg_enc.h" - -/******************************************************************************\ -* Types. -\******************************************************************************/ - -typedef struct jpg_src_s { - - /* Output buffer. */ - JSAMPARRAY buffer; - - /* Height of output buffer. */ - JDIMENSION buffer_height; - - /* The current row. */ - JDIMENSION row; - - /* The image used to hold the decompressed sample data. */ - jas_image_t *image; - - /* The row buffer. */ - jas_matrix_t *data; - - /* The error indicator. If this is nonzero, something has gone wrong - during decompression. */ - int error; - - jpg_enc_t *enc; - -} jpg_src_t; - -typedef struct { - int qual; -} jpg_encopts_t; - -typedef enum { - OPT_QUAL -} jpg_optid_t; - -jas_taginfo_t jpg_opttab[] = { - {OPT_QUAL, "quality"}, - {-1, 0} -}; - -/******************************************************************************\ -* Local prototypes. -\******************************************************************************/ - -static int jpg_copyfiletostream(jas_stream_t *out, FILE *in); -static void jpg_start_input(j_compress_ptr cinfo, struct jpg_src_s *sinfo); -static JDIMENSION jpg_get_pixel_rows(j_compress_ptr cinfo, struct jpg_src_s *sinfo); -static void jpg_finish_input(j_compress_ptr cinfo, struct jpg_src_s *sinfo); -static J_COLOR_SPACE tojpgcs(int colorspace); -static int jpg_parseencopts(char *optstr, jpg_encopts_t *encopts); - -/******************************************************************************\ -* -\******************************************************************************/ - -static int jpg_copyfiletostream(jas_stream_t *out, FILE *in) -{ - int c; - while ((c = fgetc(in)) != EOF) { - if (jas_stream_putc(out, c) == EOF) { - return -1; - } - } - return 0; -} - -static void jpg_start_input(j_compress_ptr cinfo, struct jpg_src_s *sinfo) -{ - /* Avoid compiler warnings about unused parameters. */ - cinfo = 0; - - sinfo->row = 0; -} - -static JDIMENSION jpg_get_pixel_rows(j_compress_ptr cinfo, struct jpg_src_s *sinfo) -{ - JSAMPLE *bufptr; - int i; - int cmptno; - int width; - int *cmpts; - - cmpts = sinfo->enc->cmpts; - - width = jas_image_width(sinfo->image); - - if (sinfo->error) { - return 0; - } - for (cmptno = 0; cmptno < cinfo->input_components; ++cmptno) { - if (jas_image_readcmpt(sinfo->image, cmpts[cmptno], 0, sinfo->row, width, 1, sinfo->data)) { - ; - } - bufptr = (sinfo->buffer[0]) + cmptno; - for (i = 0; i < width; ++i) { - *bufptr = jas_matrix_get(sinfo->data, 0, i); - bufptr += cinfo->input_components; - } - } - ++sinfo->row; - return 1; -} - -static void jpg_finish_input(j_compress_ptr cinfo, struct jpg_src_s *sinfo) -{ - /* Avoid compiler warnings about unused parameters. */ - cinfo = 0; - sinfo = 0; -} - -/******************************************************************************\ -* Code for save operation. -\******************************************************************************/ - -/* Save an image to a stream in the the JPG format. */ - -int jpg_encode(jas_image_t *image, jas_stream_t *out, char *optstr) -{ - JDIMENSION numscanlines; - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - jas_image_coord_t width; - jas_image_coord_t height; - jpg_src_t src_mgr_buf; - jpg_src_t *src_mgr = &src_mgr_buf; - FILE *output_file; - int cmptno; - jpg_enc_t encbuf; - jpg_enc_t *enc = &encbuf; - jpg_encopts_t encopts; - - output_file = 0; - - if (jpg_parseencopts(optstr, &encopts)) - goto error; - - switch (jas_clrspc_fam(jas_image_clrspc(image))) { - case JAS_CLRSPC_FAM_RGB: - if (jas_image_clrspc(image) != JAS_CLRSPC_SRGB) - jas_eprintf("warning: inaccurate color\n"); - enc->numcmpts = 3; - if ((enc->cmpts[0] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R))) < 0 || - (enc->cmpts[1] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G))) < 0 || - (enc->cmpts[2] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B))) < 0) { - jas_eprintf("error: missing color component\n"); - goto error; - } - break; - case JAS_CLRSPC_FAM_YCBCR: - if (jas_image_clrspc(image) != JAS_CLRSPC_SYCBCR) - jas_eprintf("warning: inaccurate color\n"); - enc->numcmpts = 3; - if ((enc->cmpts[0] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y))) < 0 || - (enc->cmpts[1] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB))) < 0 || - (enc->cmpts[2] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR))) < 0) { - jas_eprintf("error: missing color component\n"); - goto error; - } - break; - case JAS_CLRSPC_FAM_GRAY: - if (jas_image_clrspc(image) != JAS_CLRSPC_SGRAY) - jas_eprintf("warning: inaccurate color\n"); - enc->numcmpts = 1; - if ((enc->cmpts[0] = jas_image_getcmptbytype(image, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y))) < 0) { - jas_eprintf("error: missing color component\n"); - goto error; - } - break; - default: - jas_eprintf("error: JPG format does not support color space\n"); - goto error; - break; - } - - width = jas_image_width(image); - height = jas_image_height(image); - - for (cmptno = 0; cmptno < enc->numcmpts; ++cmptno) { - if (jas_image_cmptwidth(image, enc->cmpts[cmptno]) != width || - jas_image_cmptheight(image, enc->cmpts[cmptno]) != height || - jas_image_cmpttlx(image, enc->cmpts[cmptno]) != 0 || - jas_image_cmpttly(image, enc->cmpts[cmptno]) != 0 || - jas_image_cmpthstep(image, enc->cmpts[cmptno]) != 1 || - jas_image_cmptvstep(image, enc->cmpts[cmptno]) != 1 || - jas_image_cmptprec(image, enc->cmpts[cmptno]) != 8 || - jas_image_cmptsgnd(image, enc->cmpts[cmptno]) != false) { - jas_eprintf("error: The JPG encoder cannot handle an image with this geometry.\n"); - goto error; - } - } - - if (!(output_file = tmpfile())) { - goto error; - } - - /* Create a JPEG compression object. */ - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_compress(&cinfo); - - /* Specify data destination for compression */ - jpeg_stdio_dest(&cinfo, output_file); - - cinfo.in_color_space = tojpgcs(jas_image_clrspc(image)); - cinfo.image_width = width; - cinfo.image_height = height; - cinfo.input_components = enc->numcmpts; - jpeg_set_defaults(&cinfo); - - src_mgr->error = 0; - src_mgr->image = image; - src_mgr->data = jas_matrix_create(1, width); - assert(src_mgr->data); - src_mgr->buffer = (*cinfo.mem->alloc_sarray)((j_common_ptr) &cinfo, - JPOOL_IMAGE, (JDIMENSION) width * cinfo.input_components, - (JDIMENSION) 1); - src_mgr->buffer_height = 1; - src_mgr->enc = enc; - - /* Read the input file header to obtain file size & colorspace. */ - jpg_start_input(&cinfo, src_mgr); - - if (encopts.qual >= 0) { - jpeg_set_quality(&cinfo, encopts.qual, TRUE); - } - - /* Now that we know input colorspace, fix colorspace-dependent defaults */ - jpeg_default_colorspace(&cinfo); - - /* Start compressor */ - jpeg_start_compress(&cinfo, TRUE); - - /* Process data */ - while (cinfo.next_scanline < cinfo.image_height) { - if ((numscanlines = jpg_get_pixel_rows(&cinfo, src_mgr)) <= 0) { - break; - } - jpeg_write_scanlines(&cinfo, src_mgr->buffer, numscanlines); - } - - /* Finish compression and release memory */ - jpg_finish_input(&cinfo, src_mgr); - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - jas_matrix_destroy(src_mgr->data); - - rewind(output_file); - jpg_copyfiletostream(out, output_file); - fclose(output_file); - output_file = 0; - - return 0; - -error: - if (output_file) { - fclose(output_file); - } - return -1; -} - -static J_COLOR_SPACE tojpgcs(int colorspace) -{ - switch (jas_clrspc_fam(colorspace)) { - case JAS_CLRSPC_FAM_RGB: - return JCS_RGB; - break; - case JAS_CLRSPC_FAM_YCBCR: - return JCS_YCbCr; - break; - case JAS_CLRSPC_FAM_GRAY: - return JCS_GRAYSCALE; - break; - default: - abort(); - break; - } -} - -/* Parse the encoder options string. */ -static int jpg_parseencopts(char *optstr, jpg_encopts_t *encopts) -{ - jas_tvparser_t *tvp; - char *qual_str; - int ret; - - tvp = 0; - - /* Initialize default values for encoder options. */ - encopts->qual = -1; - - /* Create the tag-value parser. */ - if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) { - goto error; - } - - /* Get tag-value pairs, and process as necessary. */ - while (!(ret = jas_tvparser_next(tvp))) { - switch (jas_taginfo_nonull(jas_taginfos_lookup(jpg_opttab, - jas_tvparser_gettag(tvp)))->id) { - case OPT_QUAL: - qual_str = jas_tvparser_getval(tvp); - if (sscanf(qual_str, "%d", &encopts->qual) != 1) { - jas_eprintf("ignoring bad quality specifier %s\n", - jas_tvparser_getval(tvp)); - encopts->qual = -1; - } - break; - default: - jas_eprintf("warning: ignoring invalid option %s\n", - jas_tvparser_gettag(tvp)); - break; - } - } - if (ret < 0) { - goto error; - } - - /* Destroy the tag-value parser. */ - jas_tvparser_destroy(tvp); - - return 0; - -error: - if (tvp) { - jas_tvparser_destroy(tvp); - } - return -1; -} |