28 mars

Newest 'x264' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/x264

• 05:10
  Incorrect length of video produced with ffmpeg libraries [closed] - ivan.ukr Newest 'x264' Questions - Stack Overflow
  I'm writing a C program that takes series of PNG images and converts them into a video. Video consists of the initial black screen and then each of those images, shown for the same constant amount of time, say 200 ms. I'm using libx264 as codec and mp4 as output format. I'm compiling my program with GCC 12 on Ubuntu 22.04 LTS. I'm using ffmpeg version from Ubuntu repositories. In order to achieve above behavior I've set time base to 1/5 in the both stream and codec. // assume imageDuration = 200 AVRational timeBase; av_reduce(&timeBase.num, (...)

27 mars

Newest 'x264' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/x264

• 22:30
  How to initialize video decoder with a already decoded frame? - Ragdoll Car Newest 'x264' Questions - Stack Overflow
  Let's say I have an FFmpeg video decoder x264 initially initialized with some parameters. I am using C++ in my scenario. In normal conditions we push an encoded I-frame into such decoder and then referencing encoded P-frames. I have a special case where my I-frame is already decoded. So in my case I want to: push already decoded I-frame into my decoder push referencing encoded P-frames into my decoder How can I initialize the decoder state with already decoded I-frame? Currently to bypass these limitations I have to: create a new (...)