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I want to write application that could recording screen as a video in c++
During the search I found ffmpeg can done that.
What examples should I use to create a program?
I use the window api
I can load bitmaps into memory.
What I want to do is:
Loads 30 bitmaps in memory in one second.
Generate video using multiple bitmaps.
ffmpeg can record screen with code like:
ffmpeg -f dshow -i video="screen-capture-recorder" output.flv
please check ffmpeg document for full help.
If you can capture picture from screen please see this url
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Well I am working with pdf and I used tabula and camelot for tabular data extraction.
But when its came to Image and scanned pdf. Tabula and camelot is not working plus I am not getting any proper module or program on github too. Can anyone suggest any best python module to extract tabular data from image and scanned pdf with python usage.
Tried tabula and camelot but its not working?
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I want to play a video of some type/format in my c++ program, i have installed Allegro 4.2.2 and Allegro5 along with both MSVC10 and MSVC13, i don't want to use any other library as they are a bit difficult to understand, if there is an easier way then tell me else tell me how to accomplish this task with Allegro?
As of Allegro5.1, there is a video
addon (it is not available in
5.0).
There is an
example
included in the allegro5 repository demonstrating how to use it.
The general gist is:
Invoke al_init_video_addon
Open the video with al_open_video
Start the video with al_start_video
Get the current frame as a bitmap with al_get_video_frame
Draw that bitmap with the usual bitmap drawing functions (al_draw_*_bitmap)
Repeat 4-5 during your game loop, then invoke al_close_video when you are done.
In the example they use al_draw_scaled_bitmap to scale the bitmap to the
screen; just take a look at the comments.
Note that you will need to link the video addon when linking your program
(-lallegro_video).
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I have a program I am trying to port to linux.
The program is a command prompt program that displays memory on screen, you can move around the memory using the arrow keys.
Im new to linux and don't really understand how the terminal works.
What Im looking for is some good tutorials or a chapter in a book to teach me hoe to write linux programs using the terminal the same way I would use command prompt in windows.
I want to know things like changing background and text colours, clearing the screen, being able to move up and down the lines of text and how to detect keyboard input. Basically how to create a user interface using the linux terminal.
I am using centos and g++ if that makes a difference.
Something like htop? You should have a look on ncruses.
I suggest you need ncurses
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I am looking for a library to record images from a webcam and sound from the microphone and generate a video file (avi, mpeg or any other format).
I would prefer a cross-paltform solution (Windows, MAC and Linux) and something in C/C++ or Python.
Any recommendation and/or sample code?
Update: Folowing #Rory reccommendtation, i found this example of webcam viewser with Python and gstreamer. Unfortunately it requires v4l2src plugin which is not provided (correct me if I am wrong) with the Winodws build. Which plugin should be used on Windows?
gstreamer is an open source multimedia framework with C & Python bindings.
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I am looking for an online file conversion site which converts DOCX, DOC, PPT, PDF etc. to JPG files using an API (RESTful etc.).
I do not mind paying for the service but am unable to find an such service online.
One that might work for you is convertapi (http://www.convertapi.com/).
I recently used this to enable the following conversions for an app :
doc/docx --> PDF
ppt --> jpg
doc/docx --> jpg
They have a very simple REST api that's easy to implement : (http://www.convertapi.com/api/word-pdf-api)
You probably should also have a look at the CloudConvert API, which, as far as I know, supports your mentioned formats.
Convertapi doesn't do ppt --> jpg at the moment.