<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> <div class="post-text" itemprop="text"> How to overlay a text onto the h264 stream and store it using GStreamer so that overlay text can be extracted later. I need to extract the overlay text from the video. I am using the following command to overlay text onto the stream and store it. <blockquote> gst-launch-1.0 -e imxv4l2videosrc ! textoverlay text="Sample Video" valignment=position halignment=position xpos=1 ypos=1 font-desc="Sans, 20" ! timeoverlay ! vpuenc_h264 ! matroskamux ! filesink location=video.mp4 </blockquote> Is it possible to extract the text overlay from the video generated using above command? If not, how to overlay a text, so that it can be extracted later? Thanks in advance. Pradeep Nalawade </div> </body> </html>