[FFmpeg-devel] [PATCH] avfilter/buffersrc: print relevant info when skipping filter reinit

Gyan ffmpeg at gyani.pro
Fri Jan 25 15:02:03 EET 2019

On 25-01-2019 06:25 PM, Carl Eugen Hoyos wrote:
> 2019-01-25 13:52 GMT+01:00, Gyan <ffmpeg at gyani.pro>:
>> On 25-01-2019 06:11 PM, Carl Eugen Hoyos wrote:
>>> 2019-01-25 13:35 GMT+01:00, Gyan <ffmpeg at gyani.pro>:
>>>> +        av_log(s, AV_LOG_WARNING, "Changing video frame
>>>> properties on the fly is not supported by all filters.\n");\
>>> In which situations is this new warning shown?
>> e.g.
>>        -reinit_filter 0 -i ChangingResolutions.mp4 -vf somefilter  ...
> Is it only shown if the filter does not support re-initialization?
No. As the existing msgs indicate, it is always printed when _some_ 
frame properties have changed. The new addition allows the user to 
discover which properties those are, with timestamp. They can then 
choose to continue, allow reinit or partition the input (if viable) as 


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