gst-launch-1.0videotestsrc num-buffers=200!'video/x-raw,width=(int)1280, height=(int)720, format=(string)I420' ! omxh264enc iframeinterval=100! qtmux ! filesink location=test.mp4 -e 1 设置时间权衡(编码器应丢弃帧的速率) gst-launch-1.0videotestsrc num-buffers=200!'video/x-raw,width=...