How to read/write SEI(User Data Unregister) from/to H264/HEVC stream?
Author: conlaychanCreated Feb 9, 2026Updated Feb 9, 2026
Labelsenhancementhelp wantedquestion
I want to write SEI(User Data Unregister) to H264/HEVC videos by FFmpegFrameRecorder, and read them back by FFmpegFrameGrabber. How should I code?
May side_data be another way?
Source: bytedeco/javacv