[Cin] Raw DV native encoder 16:9 support?

Phyllis Smith phylsmith2017 at gmail.com
Mon Jan 15 20:04:32 CET 2024


OK, sounds like a good addition.  I will try to create AppImages later
today in case Terje wants to test -- if Ican find the time.

On Mon, Jan 15, 2024 at 11:41 AM Andrew Randrianasulu <
randrianasulu at gmail.com> wrote:

>
>
> пн, 15 янв. 2024 г., 21:28 Phyllis Smith <phylsmith2017 at gmail.com>:
>
>> Built with these 2 patches and as you said "they seem to work" but not
>> sure what they do.  Did note that filedv.C was added to CinGG from Cin-CV
>> which does not exist in Cin-HV.
>>
>
> try to re-encode dv file as RawDV file (open dv, add simple filter like
> brightness on top of it, try to encode as rawdv.) notice with patches it
> sets date/timecode. And in case of anamorphic 16:9 dv hopefully also flag
> indicating so (visible with mediainfo/ffprobe/mplayer)
>
> May be we really need only 0002 but I was not sure if 16*9 flag was  going
> down to stream without those new function calls?
>
>
>> Test file = karacson.avi  16x9 DAR (from where Andrew said to get sample
>> DV / avi video).
>> Test file - pond.dv 4x3 DAR (downloaded from same place)
>>
>> 0002-Fix-16x9-filedv-condition.patch  --  makes sense to me (although
>> when I uncommented the printf, I got nothing on the startup terminal
>> window? so is it even getting to that code?)
>>
>> 0001-Dv-encoder-metadata.patch -- makes no sense to me, but I do not
>> really code, because I do not see how or where "dv_encode_metadata" is
>> being utilized?
>>
>
> this is function from libdv, older library used for working with consumer
> versions of DV streams
>
> I found  example of its usage on older version of
>
> https://github.com/game-stop/veejay
>
>
>> On Sat, Jan 13, 2024 at 12:48 PM Andrew Randrianasulu via Cin <
>> cin at lists.cinelerra-gg.org> wrote:
>>
>>> I tried to make those patches based on linux veejay code
>>>
>>> they seems to work for 16/9 and 4/3 aspect ratios ...
>>> --
>>> Cin mailing list
>>> Cin at lists.cinelerra-gg.org
>>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>>
>>
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