[FFmpeg-trac] #1339(avfilter:new): Auto insert fps filter as adapter for overlay filter inputs with different framerates
FFmpeg
trac at avcodec.org
Thu Aug 9 14:19:51 CEST 2012
#1339: Auto insert fps filter as adapter for overlay filter inputs with different
framerates
-------------------------------------+-------------------------------------
Reporter: annorax | Owner:
Type: enhancement | Status: new
Priority: wish | Component: avfilter
Version: git-master | Resolution:
Keywords: fps overlay | Blocked By:
filter | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by Cigaes):
Replying to [comment:8 cehoyos]:
> What happens if a higher frame-rate was manually specified? Does ffmpeg
just repeat the same combination of main and overlay or does it also look
for every repeated main frame which overlay frame is used?
You mean with {{{-i ... -i ... -filter_complex ...overlay... -r something
output}}}?
AFAIK, the effect of {{{-r}}} comes completely after the effects of
filters, so depending on the value of {{{-vsync}}} it will result on the
frame being duplicated as you describe.
IMHO, there are too many possible circumstances to be able to "Do What I
Mean" always, so it is best to keep everything simple so accurate results
can be achieved with the correct combination of filters without bad
surprises.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1339#comment:9>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list