How come when I CURL vs using URLLIB2, I get different results?

curl -L http://tumblr.com/tagged/long-reads This is the result: http://pastebin.com/XtQVubBp That response is different from def download(url): f = urllib2.urlopen(url) return...

Piping ppm files to ffmpeg to create movie in c++

I want to create a movie of a zoom on the Mandelbrot set. To do this I want to create image data in the ppm format and then pipe it into ffmpeg using popen. The following command works if I...

mplayer build with address sanitizer (asan)

I am trying to build mplayer using clang with the address sanitizer flag. However, I keeps getting errors when I execute make. Here is the full output log including the commands I used. Any help...

Unmet dependencies for libcurl4-openssl-dev

I need to install libcurl4-openssl-dev on ubuntu 14.04 I had tried both sudo apt-get install libcurl4-openssl-dev and sudo apt-get install -f libcurl4-openssl-dev, but return: `The following...

ffmpeg concat: "Unsafe file name"

Trying to convert a bunch of mts-files into a big mp4-file: [email protected]:/mnt/backupsystem/archive2/Videos/20151222/PRIVATE/AVCHD/BDMV$ ~/bin/ffmpeg-git-20160817-64bit-static/ffmpeg -v...

How can I make a pycurl http2 request?

I am trying to make a http2 request through pycurl. I have installed the nghttp2 c library that libcurl needs and I am able to do an http2 request with curl. I tried something like this with...

ffmpeg /dev/video1: No space left on device

While converting and redirecting USB camera stream to a multicast ip I'm facing below error. ffmpeg -f v4l2 -i /dev/video1 -s 720x480 -pix_fmt yuv420p -c:v mpeg2video -aspect 4:3 -r 30 -g 15 -ar 0...

FFMPEG to create an MPEG-DASH stream with VP8

I'm trying to use FFMPEG to stream a live video feed from my webcam /dev/video0. Following scattered tutorials and scarce documentation (is this a known problem for the encoding community?) I...

curl with nghttp2 on ubuntu on raspberry pi3

I am trying to install nghttp2 on pi3 running ubuntu. when i typed: curl --version result: curl 7.52.1 (armv7l-unknown-linux-gnueabihf) libcurl/7.47.0 OpenSSL/1.0.2g zlib/1.2.8 libidn/1.32...

How to fix broken apt-get on debian wheezy?

I'm using a debian wheezy at work. Packages are held in specific versions. My /etc/apt/sources.list contains lines like : deb http://mycompany.com/debian/debian-main/ wheezy main non-free...

curl posting data to HTTP/1.1 even with http2 option to APNs

curl --http2 -i -v -d '{"aps":{"alert":"hello"}}' -H "apns-topic: xxxx" -H "authorization: bearer xxxxx" https://api.development.push.apple.com/3/device/xxx Curl Version : curl 7.46.0...

USB webcam streaming in ARM board (i.MX6)

I want to streaming the camera via NETWORK. I have connected the USB webcam to i.MX6 board and want to stream in Ubuntu14.04/16.04 via network. Incidentally, I have installed the gstreamer and...

Hyperledger fabric make error when it makes couchdb docker part?

everyone . I have a problem here. when i do the process follow the https://hyperledger-fabric.readthedocs.io/en/latest/dev-setup/build.html. With "make dist-clean all", when it runs to make...

recording from webcam using ffmpeg at high framerate

I have a webcam (model Brio 4K stream edition from Logitech) that is able to record at resolution 1280x720 and 60 fps in guvcview on Ubuntu 16.04. I then use a video codec 'raw camera input'. This...

libcurl4-openssl-dev:armhf cannot be installed when libcurl4-openssl-dev is already installed

I have created a c++ app on Debian Jessie 8.10 amd64 which also need the following libraries: sudo apt-get install libssl-dev sudo apt-get install libcurl4-openssl-dev I also need to cross...

ExoPlayer unable to make connection with camera IP Address

I am trying to stream camera preview in an app using RTMP protocol. Since a week, I am debugging ExoPlayer and Librtmp client, But somehow Librtmp client unable to make a connection and fire...

Compile libcurl With Custom OpenSSL Directory

I've built OpenSSL into a custom build directory: /Users/builder/dev/artifact_staging/temp/openssl Now when I configure libcurl I point it to use OpenSSL in that directory: ./configure ...

Rails & Docker: configure bundler to run bundle install in a docker build for Rails.4.2.6?

I am having so much trouble with docker. It seems to be a pattern. I have a dockerfile which installs Node.js and Yarn from source repositories fine. I install ruby from the get-apt repositories...

ffmepg convert m4a to wav with bytes not work

some reason I need convert audio data with bytes ,for example data from http or grpc client so I want to use ffmpeg to convert audio by os/exec.Command the strange thing is when I convert audio...

cannot trust development https self-signed certificate in ubuntu 18.04.2 LTS

I created a rest api project and I'm tring to access the https endpoint using curl like this: $ dotnet new angular $ curl -I -X GET 'https://localhost:5001/api/SampleData/WeatherForecasts' curl:...

How to compile FFmpeg as static (single file)

I would like to compile FFmpeg 4.1.3 as static or single file, After compiled. It's shared binary. Here is what I do Install the dependencies apt-get -y install build-essential autoconf automake...

What happened to curl --cacert on self-signed certificates between 7.47.0 and 7.58.0?

I have a https server with a self-signed certificate that I like to hit with curl --cacert cert.pem from Ubuntu Xenial and Ubuntu Bionic. Xenial works. Bionic doesn't. Here's my minimal...

"curl: (52) Empty reply from server" on Windows only

We are able to publish data to AWS IoT Core using cURL from a Linux desktop, yet when we try from Windows desktops we receive the response "curl: (52) Empty reply from server". We are convinced...

Regular expression to parse ffmpeg info

Here is my code: Input #0, mpegts, from 'tcp://127.0.0.1:3456': Duration: N/A, start: 1809.522000, bitrate: N/A Program 256 Metadata: service_name : AIR_CH_521_6M ...

How to create animation in html output using R Markdown

Here is the list of things I've tried. --- title: "test_gif" output: html_document --- ``` {r, animation.hook='gifski', dev='png', interval=0.2} library(gganimate) ggplot(airquality, aes(Day,...

Documented ffmpeg commands not recognized by ffmpeg

I'm trying to use options like, ldash and http_opts, as the dash muxer docs describe but FFmpeg doesn't recognize them. I'm on the latest released version of ffmpeg, v4.2.2. I see the changes in...

nvm behind local proxy always returning N/A

I'm having trouble setting up node behind a proxy ... My node is running in an ubuntu as windows subsystem for linux. But this should not make a difference. I installed nvm, configured curl with...

i am unable to install rvest package in rstudio

so i want to install rvest package in my rstudio but wasn't able to as it said to install some packages on my system first ,i used this --> sudo apt-get install libssl-dev this got executed but...

Conan: Setting up autotools to cross compile libcurl for iOS

I've started using Conan to manage a cross platform project with a fairly large dependency tree (diving into the deep end, I know). Several components in the project use autotools for their...

Downloading a file using libcurl in C using SFTP: "Unsupported protocol" in c, but command line works

I based my code on https://stackoverflow.com/questions/1636333/download-file-using-libcurl-in-c-c but I'm getting an ERROR: "Unsupported protocol" for SFTP. However, for the same SFTP, file...