[FFmpeg-user] Benchmarking with ffmpeg - What are the parameters meaning?

[David Wagner]

Am 11.09.2012 02:03, schrieb Andy Sheen:
>
> David Wagner wrote on Tue 11 Sep at 0:41 UK time
>> In the beginning I have some lines like that.
>>
>> frame=  113 fps=0.0 q=39.0 size=      40kB time=00:00:02.13 bitrate=
>> 154.1kbits/s
> What is the full command line you have here?
>
ffmpeg -benchmark -report  -i original.avi -c:v libx264 -b 150k -preset 
medium transcoded.avi

you will find a logfile like ffmpeg-20120911-045600.log




> That tells me the following information:
>
> frame = 113. ffmpeg has encoded 113 frames.
> fps=0.0. You don't look like you are encoding video at the moment- this
> is confusing.
> q=39. A measure of quality. I'm never sure what that means to be honest
> size= The size of the encoded video data so far.
> time= how long the encoded data is if you'd play it back
> bitrate= average encoded bitrate (size/time).
>
> The reports here are entirely consistent - but yours don't look it. If
> I'm not encoding fps=0, as soon as I start actual encoding (as opposed
> to searching) fps starts to increase.
>