When using some Dahua cameras, it prompts "no frame!"

[51jintian]

Describe the bug A clear and concise description of what the bug is.

When using some Dahua cameras, it prompts "no frame!". In this case, the screen of the instance can be played, but the CPU usage is very high. If the -o parameter is used, there is no video screen display, and the screen keeps spinning.

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]windows 11 22621.2715
• Browser [e.g. chrome, safari] edge，chrome
• Version [e.g. 22] webrtc-streamer-v0.8.4-dirty-Windows-AMD64-Release

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[mpromonet]

Hi,

The ffmpeg log "no frame!" just means ther is no frame in the packet, it may be problems in parsing. Increasing loglevel may helps you.

Best Regards, Michel.