[FFmpeg-user] flag YUV input as interlaced
mark at mdsh.com
Sun May 15 20:48:11 CEST 2011
On 14/05/2011 18:46, Stefano Sabatini wrote:
> On date Saturday 2011-05-14 18:20:02 +0100, Mark Himsley encoded:
>> On 14/05/2011 10:26, Stefano Sabatini wrote:
>>> On date Thursday 2011-05-12 17:07:09 +0100, Mark Himsley encoded:
>>>> What I need is a way to flag rawvideo media when its used as an
>>>> input into ffmpeg. Anyone?
>>> Mark, did you try with -top?
>> Hi Stefano,
>> Yes. Sorry, I should have said that -top was my first guess, but your
>> showinfo filter says the rawvideo file is flagged as progressive when I
>> have -top 1 in the input files settings.
> Yes, check ffmpeg.c:do_video_out, top_field_first is used for setting
> the field type *just before encoding*.
> I wonder what could be a better approach, maybe we could implement a
> setprops filter for changing the properties of the video in the
> filterchain, and drop -top from ffmpeg.c.
> What do you think of this idea?
Replied in FFmpeg-devel.
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