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Getting either incorrect output resolution or FPS from ffmpeg

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Adam LangleyGetting either incorrect output resolution or FPS from ffmpeg
by on Oct 31, 2011 at 7:59:15 pm

Hi, I have posted a query to SO here (http://stackoverflow.com/questions/7936738/getting-either-incorrect-output-...) so I wont repeat it here.

Can you see what might be going wrong?
Ultimately, I need to use OpenRTSP to capture the stream, because using the built in ffmpeg rtsp support results in corrupted video for some reason (big blurry chunks in the picture). I need to use ffmpeg to encode a few streams from this source, at iPhone native res (960x640). This is to support the iPhone adaptive streaming support for low bandwidths...
I believe that because I am using -vcodec copy, it copies ALL codec parameters (not just the codec type) which is what's causing it to ignore my -s 960x640 request. However, if I switch to -vcodec libx264, I get the problems mentioned in the post... early stream termination and a FPS of 2 or 3.

This is confusing the heck out of me.

Thanks in advance for any light you can shed on the matter.


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