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I am trying to find documentation to use the FFmpeg C API. It seems that only command line documentation is available.
Is there any good documentation/tutorials/links available?
I've been keeping the Dranger ffmpeg tutorials up to date here: https://github.com/mpenkov/ffmpeg-tutorial
I've tried to keep the code changes minimal while fixing bugs and rewriting deprecated parts.
Here is the best one I have found so far. It deals with a lot of the quirks of the API and shows you how to build a working video player using SDL and libavformat/libavcodec.
http://dranger.com/ffmpeg/
I created this wiki page so that it can try and keep updated:
Using libav*
http://dranger.com/ffmpeg/ is great, but the source code is little dated. For updated code of the tutorial, please take a look here: https://github.com/phamquy/FFmpeg-tutorial-samples
If you're interested in writing your own ffmpeg format or codec, take a look here:
http://wiki.multimedia.cx/index.php?title=Category:FFmpeg_Tutorials
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I'm trying to do what I wrote at this mail's subject.
But the number of the information on the internet seems very few.
Does anyone know about that or helpful webpages?
I agree. I am trying to find similar information. I have just found this until now. Maybe indirectly helpful to you.
http://submitteddenied.github.io/azkaban2/documents/2.1/createnewjobtypes.html
It talks about creating new job types. Not sure what kind of plugin you are creating but I was creating a new job type plugin and I came across this.
I also found their google group pretty helpful. You may want to post there too https://groups.google.com/forum/?fromgroups#!forum/azkaban-dev
I know this is not the exact answer you were looking for but hopefully it helps.
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I'm a newbie in C and i want to read a file which lines are like 30 7 * * 14-15 and parse to date structures.
So i would really use your help to find an API or an algorithm to do it.
Try to read sources, for example concerning freebsd, fetch os sources (if not aredy done as part of standart os upgrade procedure) , find cron, see sources, take what you need. It is not so unreal as seems.
Sources well documented at comments:
https://svnweb.freebsd.org/base/stable/9/usr.sbin/cron/cron/database.c?revision=225736&view=markup
UPD: link suggested in comment by #PeterT (more exactly for parsing entry):
https://svnweb.freebsd.org/base/stable/9/usr.sbin/cron/lib/entry.c?view=markup#l88
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I found a library called Assimp for parsing a lot of 3D model file formats that I could use to import to OpenGL. It seem a good and stable libray but the usage documents are so poor. Can someone tell me how I use this library to import a obj (or another) model? Or just give me a tutorial for that.
I found their documentation to actually be quite good, albeit hard to navigate. Check out the usage page for how to get started.
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There are several C libraries available for parsing JSON, that will compile on Linux. Which library would you recommend?
Just to close the loop:
For the project in question, we ended up going with cJSON. We chose this one from the list of C libraries linked from json.org. Per the homepage, cJSON is:
An ultra-lightweight, portable, single-file, simple-as-can-be ANSI-C compliant JSON parser, under MIT license.
This happened to be a good fit for the particular project at hand, and the library worked out fine.
I've seen YAJL used with MGTwitterEngine (Mac/Cocoa), so I assume it is ok.
I haven't done much with it apart from compiling it and pointing MGTwitterEngine on Mac to its library/header files.
Check out the list at json.org. There are several C libraries for JSON.
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Where can I find a complete reference of the ncurses C API?
I found this question a while back, but none of the answers so far answer the original question. The complete freely available API reference is available through the . . .
NCURSES MAN PAGES
The documentation that comes with the library actually isn't that bad.
http://tldp.org/HOWTO/NCURSES-Programming-HOWTO/
You can buy this book. I have it and recommend: John Strang, Programming with curses, O'Reilly, ISBN 0-937175-02-1
The best online source information: http://invisible-island.net/ncurses/ncurses-intro.html
I learned a lot about ncurses reading the minicom source code and the iptraf linux network monitor.
I've found the book "Programmer's Guide to nCurses" (Dan Gookin, published by Wiley) invaluable as it includes both tutorial and an impressive reference to the API.
There's also the O'Reilly Nutshell guide "Programming with Curses" which isn't too bad.