FFmpeg: real-time buffer[ ] [input] too full or near too full (101% of size: 3041280 [rtbufsize parameter]) frame dropped

Question

I use the library of ffmpeg to decode stream from [TTQ HD Camera] and encode it to a rtmp stream. but I receive a lot of warnings like the picture below. i try to set qmin and qmax , it seems a little better. but still not totally resolve the problem.

encoder_context->qmin = 10;
encoder_context->qmax = 51;

who knows this is why ?

[dshow @ 04bfc640] real-time buffer [TTQ HD Camera] [video input] too full or near too full (101% of size: 3041280 [rtbufsize parameter])! frame dropped!

Answer 1

Have you tried increasing the -rtbufsize parameter to something larger than 3041280? If you have the RAM for it, try something like 2000M. It should be defined before the -i of the camera.

So something like:

ffmpeg -f dshow -video_size 1920x1080 -rtbufsize 2147.48M -framerate 30 -pixel_format bgr0 -i video=...

Note that the resolution and frame rate are just examples and you would have to fill in your values that you have used in the ffmpeg command already.