[FFmpeg-devel] [PATCH] Clarifying the use of the scale filter interlace option
nichot20 at yahoo.com
Tue Apr 3 08:33:54 CEST 2012
On 02/04/12 19:41, Mark Himsley wrote:
> On 02/04/2012 08:56, Tim Nicholson wrote:
>> On 31/03/12 12:54, Mark Himsley wrote:
>>> On 29/03/2012 20:33, Michael Niedermayer wrote:
>>>> On Thu, Mar 29, 2012 at 08:49:38AM +0100, Tim Nicholson wrote:
>>>>> Also unlike other cases -1 (auto) is not the default.
>>>> this could be changed if it works better overall
>>> I made this point on 25/07/2011, with a patch. It was rejected because
>>> the progressive videos used in fate tests were always flagged as
>>> progressive in DV codecs so PSNR tests failed horribly.
>> Did you mean "flagged as interlaced". Progressive marked as progressive
>> is surely correct.
> No. I meant what I said :-)
Sorry I am still confused....
> DV is always flagged as interlaced by dvvideo_decode_frame()
But earlier you said "..were always flagged as
>>> progressive in DV codecs..."
How can both be true?
> s->picture.interlaced_frame = 1;
> s->picture.top_field_first = 0;
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