![]() Overall, I think this project is a very good approach to learning FFmpeg. ![]() Luckily, I can process all of them in batch in a few minutes, not hours. I design it for myself to process my collections of TV series (2TBs! tens of thousands of files) to create thumbnails in batch. I’ve spent a few days learning the Libav and its API through this programming project. What we are interested in is C-programming with Libav. How to use the command-line ffmpeg.exe is not our concern here, since it is easy and straightforward. ffmpeg -i input.mp4 -c:v libx265 -vtag hvc1 output.mp4 Lots of video/image-related applications you use are also written with the help of Libav, e.g., VLC player, QQ, chrome, etc. Of course, its implementation is based on Libav. It also comes with a command-line application ( ffmpeg, note the lowercase ff) that can be used to do some basic processing like converting an h264 video to an h265 format. What is FFmpeg? Basically, it’s a C-library with headers with prefix’s names Libav_ for encoding/decoding/post-processing audio and video. Allocate composition image buffer (sys_).Read the packet from the stream (AVPacket).Read the streams (video, audio, subtitles, etc.).Open the container (MP4, AVI, MKV, etc.).
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