Hello everyone. I am dumping an RSTP stream into a file using avconv:
avconv -f rtsp -rtsp_transport tcp -i rtsp://user@password/ 192.168.1.4/stream.cgi -t 10 -c:v libx264 -s 1024x768 -an /home/borrajax/Videos/capture.mp4 When I execute that command, avconv seems to wait for a few... seconds (if so) and then starts recording. I'm guessing it's bufferring and/or waiting for a keyframe. I'd like to know if I can get the exact time when the first frame was dumped into the destination file. (milliseconds, if it were possible) I need to synchronize the video with some other timestamped events, and I need it to be as precise as possible. Another workaround that would work great for me would be (instead of trying to get the exact time of the first frame) telling avconv something like "do whatever buffering or waiting that you need to do, but make sure the first frame is dumped at EXACTLY this time". Although that seems a bit more. Is there any way of accomplishing this? Any clue or hint in the right direction will be appreciated. Thank you in advance.
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