Hi All, Please forgive my somewhat basic question, but my searching has not yielded much information that I can easily understand as I don't have much knowledge in this space.
I am building a dash cam type application using a Raspberry Pi Zero, some sensors, and a Pi Camera. I am burning data from the sensors onto video using drawtext from a memory file that a separate python program is continuously updating atomically. I am really struggling to get reasonable performance. I get around 6 frames/second at HD quality. I am not running X Windows, and not displaying the video, just capturing it. Using an ffmpeg command line such as: ffmpeg -i /dev/video0 -vf drawtext="....." test.mpg Inside the drawtext I am setting the font, centering the text and giving it the filename to read. I have very limited understanding of the pros/cons of different codecs etc so I am looking for a source of information that can help me through this without me having to become an expert in the subject. Once thing I can do is stream to a memory file, but that introduces complexities like file management, memory limitations etc. Any pointers to a good source of information on this would be most appreciated. Bruce _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
