[mythtv-users] IPTV recorder seems broken -- large jumpy files

[Greg Thompson]

> 
> + read -r cmd
> frame=   98 fps=0.0 q=-1.0 size=    5574kB time=00:00:03.81
> bitrate=11965.0kbits/s speed=7.17x   
> frame=  113 fps=109 q=-1.0 size=    6214kB time=00:00:04.32
> bitrate=11784.1kbits/s speed=4.17x   
> frame=  130 fps= 83 q=-1.0 size=    7236kB time=00:00:04.84
> bitrate=12227.8kbits/s speed=3.09x   
> frame=  146 fps= 69 q=-1.0 size=    8026kB time=00:00:05.37
> bitrate=12229.5kbits/s speed=2.56x   
> frame=  162 fps= 61 q=-1.0 size=    8902kB time=00:00:05.90
> bitrate=12352.0kbits/s speed=2.24x   
> frame=  177 fps= 56 q=-1.0 size=    9728kB time=00:00:06.40
> bitrate=12436.9kbits/s speed=2.04x   
> frame=  192 fps= 52 q=-1.0 size=   10551kB time=00:00:06.96
> bitrate=12418.6kbits/s speed=1.89x   
> [udp @ 0x55f38aae5740] Circular buffer overrun. To avoid, increase
> fifo_size URL option. To survive in such case, use overrun_nonfatal option


Why are your fps jumping around so much? It looks like maybe your ffmpeg command line needs tweaked.