[FFmpeg-user] Zeroing 'top_field_first' & 'repeat_pict' -- Possible?

[Paul B Mahol]

On 4/25/20, Mark Filipak <markfilipak.windows+ffmpeg at gmail.com> wrote:
> On 04/25/2020 05:15 AM, Paul B Mahol wrote:
>> On 4/25/20, Mark Filipak <markfilipak.windows+ffmpeg at gmail.com> wrote:
>>> ffprobe reports:
>>>
>>> frames.frame.0.interlaced_frame=0
>>> frames.frame.0.top_field_first=1
>>> frames.frame.0.repeat_pict=1
>>> frames.frame.1.interlaced_frame=0
>>> frames.frame.1.top_field_first=0
>>> frames.frame.1.repeat_pict=0
>>> frames.frame.2.interlaced_frame=0
>>> frames.frame.2.top_field_first=0
>>> frames.frame.2.repeat_pict=1
>>> frames.frame.3.interlaced_frame=0
>>> frames.frame.3.top_field_first=1
>>> frames.frame.3.repeat_pict=0
>>>
>>> Is there an ffmpeg way to zero those metadata flags in the input prior to
>>> the decoder so that the
>>> decoder thinks that the input is solely progressive?
>>
>> No, are you now mixing filtering and decoding?
>
> No. I wrote "prior to the decoder". Did you notice? In contrast to "prior to
> the decoder", I assume
> that filters operate on frames/fields/pixels prior to the output.

Just in case: INPUT->[PARSER->]DEMUXER->[BITSTREAM_FILTER->]DECODER->FILTER->MUXER->ENCODER