我想捕获一个 RTSP 流,然后用叠加的文本重新传输它,我想通了
( -e rtspsrc location=rtsp://192.168.1.21:554/cam/realmonitor?channel=1&subtype=0 latency=500 buffer-mode=auto
protocols=tcp tcp-timeout=100000000 retry=20 !
queue ! rtph265depay ! h265parse ! vaapidecodebin ! queue ! videorate !
video/x-raw,format=I420,framerate=5/1 !
textoverlay text="DEMO" font-desc="Sans, 30" name=textsrc ! videorate !
video/x-raw,framerate=15/1 ! vaapih264enc !
rtph264pay name=pay0 pt=97 perfect-rtptime=true mtu=1400)
如何从流中添加音频并使其与原始流中的视频同步?