[FFmpeg-user] ts to HLS: yadif doesn't work

[Zsolt]

On Tue, Jul 12, 2016 at 5:01 PM Moritz Barsnick <barsnick at gmx.net> wrote:

> On Tue, Jul 12, 2016 at 10:44:56 +0000, Zsolt wrote:
> > Dear Carl, do you have any idea, why isn't it working? I have already
> tried
> > with simple yadif command, without any yadif parameters, but it also
> didn't
> > worked.
>
> Well, then you should indeed provide us this simple command.
>
> If I reduce your quite complicated command to only one of its outputs:
>
> > /usr/local/ffmpeg/program/ffmpeg -i
> /usr/local/ffmpeg/progress/$INPUTFILE \
> > \
> > -c:v libx264 -vf "yadif=0:-1:1" -r 25 -profile:v main -level 3.1 \
> > -b:v "$BIT1"k -bufsize "$BIT1"k -vf scale=$RES1 -g 250 -keyint_min 250
> > -sc_threshold 0 \
> > -c:a libfdk_aac -b:a $AUD1 \
> > -hls_segment_filename
> > /usr/local/ffmpeg/output/$INPUTNAME/"$BIT1"k/segment_"$BIT1"k_%04d.ts \
> > -hls_time 10 -hls_list_size 0 -hls_key_info_file file.keyinfo \
> > /usr/local/ffmpeg/output/$INPUTNAME/"$BIT1"k/index_"$BIT1"k.m3u8
> [...]
>
> I notice that you are providing the output option "-vf" twice (per
> output). I am quite certain that one of the two options is being
> ignored, most likely the yadif filter. You could confirm this by
> checking the output with "-loglevel debug", which will show you the
> used filters.
>
> Explanation: In order to apply more than one filter to your video
> stream, you need to create a filter chain. See the ffmpeg filters docs.
> In your case:
> [...] -vf "yadif=0:-1:1,scale=$RES1" [...]
>

Thanks Moritz (and Carl), the double vf was the problem.
I've seen so much this command that I didn't even realize that I've already
used the -vf.

Cheers,
Zsolt


>
> Moritz
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