[Cin] dvdcreate and filempeg patches

[Andrew Randrianasulu]

I am very sorry, there was crasher in patch 2!

Nw it works as intended at least mediainfo says (after I set format
manually to BFF))

 mediainfo /dev/shm/tmp/dvd_20230531-081921/dvd.mpg
General
Complete name                            :
/dev/shm/tmp/dvd_20230531-081921/dvd.mpg
Format                                   : MPEG-PS
File size                                : 5.19 MiB
Duration                                 : 5 s 240 ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 8 311 kb/s

Video
ID                                       : 224 (0xE0)
Format                                   : MPEG Video
Format version                           : Version 2
Format profile                           : Main at Main
Format settings                          : CustomMatrix
Format settings, BVOP                    : No
Format settings, Matrix                  : Custom
Format settings, GOP                     : N=15
Format settings, picture structure       : Frame
Duration                                 : 5 s 240 ms
Bit rate mode                            : Variable
Bit rate                                 : 8 000 kb/s
Width                                    : 720 pixels
Height                                   : 576 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 25.000 FPS
Standard                                 : PAL
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Interlaced
Scan order                               : Bottom Field First
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 0.772
Time code of first frame                 : 00:00:00:00
Time code source                         : Group of pictures header
GOP, Open/Closed                         : Closed
Stream size                              : 4.95 MiB (95%)
Color primaries                          : BT.601 PAL
Transfer characteristics                 : BT.470 System B/G
Matrix coefficients                      : BT.470 System B/G

===

and mpeg2enc line looked like this

FileMPEG::open_file: Running
/dev/shm/cinelerra/cinelerra-5.1/bin//mpeg2enc -v 0  -b 8000 -q 1 -a 2
-F 3 -H -c -I 1 -M 4 -z b -f 8 -g 15 -G 15 -R 0 -o
'/dev/shm/tmp/dvd_20230531-081921/dvd.m2v'

On Wed, May 31, 2023 at 5:04 AM Andrew Randrianasulu
<randrianasulu at gmail.com> wrote:
>
>
>
> ср, 31 мая 2023 г., 03:30 Phyllis Smith <phylsmith2017 at gmail.com>:
>>
>> Andrew, I applied these on my ffmpeg 6.0 version but have no results yet -- have not tried anything different but the default works just like before.  More later.
>
>
> Be sure to set session interlace mode in Format ...
> Of course there is possibility I set those params in wrong order .. :/
>>
>>
>> On Mon, May 29, 2023 at 7:26 PM Andrew Randrianasulu <randrianasulu at gmail.com> wrote:
>>>
>>> I tried to add few more flags to filempeg encoder settings, not touching -I (as in Interlace, not small "l" as in level) for now
>>>
>>> I also tried to get interlace info from both session interlace mode and deinterlace checkbox ...
>>>
>>>
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