[FFmpeg-user] differences between -vf and -filter_complex

[Dave Rice]

> On May 10, 2017, at 11:55 AM, Gyan <gyandoshi at gmail.com> wrote:
> 
> On Wed, May 10, 2017 at 9:08 PM, Gyan <gyandoshi at gmail.com> wrote:
> 
>> 
>> 
>> On Wed, May 10, 2017 at 8:17 PM, Dave Rice <dave at dericed.com> wrote:
>> 
>>> 
>>> For instance if I use format=yuv422p10le within -vf and within
>>> -filter_complex the output is different. Is there something else I should
>>> add to the filterchain to get consistent results.
>>> 
>>> Best Regards,
>>> Dave Rice
>>> 
>> 
>> These two commands produce the same result:
> 
> ffmpeg -f lavfi -i testsrc2=r=1:d=5 -f lavfi -i testsrc2=r=1:d=5
> -filter_complex scale=flags=bicubic,format=yuv422p10le  -f framemd5 -
> 
> ffmpeg -f lavfi -i testsrc2=r=1:d=5 -f lavfi -i testsrc2=r=1:d=5 -vf
> scale=flags=bicubic,format=yuv422p10le -f framemd5 -
> 
> 
> 0,          0,          0,        1,   307200,
> b8ef3d6c4fc96d70fafbf20afd8f9cdf
> 0,          1,          1,        1,   307200,
> dada36d572dfe9b75b799b207e54590b
> 0,          2,          2,        1,   307200,
> f6b2bd8a2cafbe7261bd97cd41930ad3
> 0,          3,          3,        1,   307200,
> 5efbf76a4e8af59271de6a3e8cfb63f4
> 0,          4,          4,        1,   307200,
> f2289ce67d1f24230cee1219dc2557a5

Thank you so much. Adding `scale=flags=bicubic` into my workflow produced consistent results. I'm still a bit uncertain why these two routes opt for different defaults, but this method allows them to be forced to the same default. Thanks again.
Dave Rice