libjpeg

Memory leak in jpeg compression. Bug or my mistake?

由 牧云@^-^@ 提交于 2021-02-19 08:04:28
问题 I wrote an npm module for capturing webcam input on linux. The captured frame in yuyv format is converted to rgb24 and after compressed to a jpeg image. In the jpeg compression there appears to be a memory leak. So the usage of memory increases continuously. Image* rgb24_to_jpeg(Image *img, Image *jpeg) { // img = RGB24 jpeg_compress_struct cinfo; jpeg_error_mgr jerr; cinfo.err = jpeg_std_error(&jerr); jerr.trace_level = 10; jpeg_create_compress(&cinfo); unsigned char *imgd = new unsigned

Convert Normal Image into Progressive Image using Node Js

由 陌路散爱 提交于 2021-02-19 06:11:15
问题 Is there any way to write API which will convert normal image into Progressive Using Nodejs. I don't want to use Base64. I have done so much R & D on this. One library i found i.e lib turbo-jpeg But in this only they are decoding the image .I want to encode that image too. Please check this below link for reference. If anyone got any solution then please let me know. Link is - https://github.com/LinusU/cwasm-jpeg-turbo Please help me out to write API to convert image into progreesive. Thank

Convert Normal Image into Progressive Image using Node Js

由 北城余情 提交于 2021-02-19 06:10:20
问题 Is there any way to write API which will convert normal image into Progressive Using Nodejs. I don't want to use Base64. I have done so much R & D on this. One library i found i.e lib turbo-jpeg But in this only they are decoding the image .I want to encode that image too. Please check this below link for reference. If anyone got any solution then please let me know. Link is - https://github.com/LinusU/cwasm-jpeg-turbo Please help me out to write API to convert image into progreesive. Thank

MATLAB - Error compiling jpeg_read.c to create mexmaci64 file

由 生来就可爱ヽ(ⅴ＜●) 提交于 2021-02-05 07:57:05
问题 recently I moved my Matlab project from windows OS to Mac OS. so my jpeg_read.mexw64 file didn't work anymore and I needed to create a new mexmaci64 file that is compatible with Mac OS. I Downloaded JpegToolbox from here and then installed Libjpeg using: brew install libjpeg in Matlab I tried to use mex: >> mex -setup MEX configured to use 'Xcode with Clang' for C language compilation. To choose a different language, select one from the following: mex -setup C++ mex -setup FORTRAN MEX

MATLAB - Error writing to file using jpeg_write

由 主宰稳场 提交于 2021-01-07 02:42:14
问题 Recently I added jpeg toolbox to Matlab for Mac OS. for jpeg_read.mexmaci64 I followed this and for jpeg_write.mexmaci64 this. everything was fine but at runtime I got an error like this: Error using jpeg_write Error writing to file. I don't know why Matlab returns this and how Im supposed to fix it. when I compiled jpeg_write.c file to create jpeg_write.mexmaci64, mex operation completed successfully but there was a warning like this. maybe its relevant to the error. Building with 'Xcode

MATLAB - Error writing to file using jpeg_write

由 北慕城南 提交于 2021-01-07 02:41:32
问题 Recently I added jpeg toolbox to Matlab for Mac OS. for jpeg_read.mexmaci64 I followed this and for jpeg_write.mexmaci64 this. everything was fine but at runtime I got an error like this: Error using jpeg_write Error writing to file. I don't know why Matlab returns this and how Im supposed to fix it. when I compiled jpeg_write.c file to create jpeg_write.mexmaci64, mex operation completed successfully but there was a warning like this. maybe its relevant to the error. Building with 'Xcode

JPEG image rotation in C++ using libjpeg

由 自古美人都是妖i 提交于 2020-12-27 02:24:48
问题 I am trying to rotate a JPEG image in C++ using libjpeg v9 based on the "Orientation" parameter present in EXIF metadata. I am able to get the "Orientation" parameter and on its basis, i am also able to rotate image into another file so that rotated image corresponds to "Orientation" value 1. See code, which i have taken from "jpegtran.c" file and working fine(reading EXIF metadata code is not present): #include <iostream> #include <jpeglib.h> #include <jerror.h> #include "transupp.h" void

JPEG image rotation in C++ using libjpeg

由 丶灬走出姿态 提交于 2020-12-27 02:23:42
问题 I am trying to rotate a JPEG image in C++ using libjpeg v9 based on the "Orientation" parameter present in EXIF metadata. I am able to get the "Orientation" parameter and on its basis, i am also able to rotate image into another file so that rotated image corresponds to "Orientation" value 1. See code, which i have taken from "jpegtran.c" file and working fine(reading EXIF metadata code is not present): #include <iostream> #include <jpeglib.h> #include <jerror.h> #include "transupp.h" void

JPEG image rotation in C++ using libjpeg

由 我的梦境 提交于 2020-12-27 02:23:41
问题 I am trying to rotate a JPEG image in C++ using libjpeg v9 based on the "Orientation" parameter present in EXIF metadata. I am able to get the "Orientation" parameter and on its basis, i am also able to rotate image into another file so that rotated image corresponds to "Orientation" value 1. See code, which i have taken from "jpegtran.c" file and working fine(reading EXIF metadata code is not present): #include <iostream> #include <jpeglib.h> #include <jerror.h> #include "transupp.h" void

Centos7 编译安装 PHP7

由 柔情痞子 提交于 2020-12-19 07:21:36
1.下载php7 wget -O php7.tar.gz http://cn2.php.net/get/php-7.1.1.tar.gz/from/this/mirror 2.解压php7 tar -xvf php7.tar.gz 3.进入php目录 cd php-7.0.4 4.安装依赖包 # 直接复制下面一行（不包括本行） yum install libxml2 libxml2-devel openssl openssl-devel bzip2 bzip2-devel libcurl libcurl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel gmp gmp-devel libmcrypt libmcrypt-devel readline readline-devel libxslt libxslt-devel yum install libxml2 libxml2-devel openssl openssl-devel libcurl libcurl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libmcrypt libmcrypt-devel -y 5.编译配置（如果出现错误
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