Den 09.06.2023 16:40, skrev Phyllis Smith:
It is good the way you have it. Before the patch, when progressive
media was input and the Deinterlace box was NOT checked, "mediainfo"
always displayed "Interlaced, Top Field First". Mediainfo is not
always 100%.
Phyllis;
In comparision, how is the video detected with
ffmpeg -filter:v idet
http://www.aktau.be/2013/09/22/detecting-interlaced-video-with-ffmpeg/
On Fri, Jun 9, 2023 at 8:12 AM Andrew Randrianasulu
<randrianas...@gmail.com> wrote:
пт, 9 июн. 2023 г., 15:43 Andrew Randrianasulu
<randrianas...@gmail.com>:
чт, 8 июн. 2023 г., 21:43 Phyllis Smith <phylsmith2...@gmail.com>:
Andrew, after many, many runs and actual DVD media
creation with these patches in, I am almost certain that
all is working well and now there is the choice of
creating BFF media. So answer to question of "do you
still get interlaced" is "YES" as far as I can tell. Here
are some of the results / differences seen when use
"mediainfo":
1) GOP, Open/Closed : Open
-------------------> Before
GOP, Open/Closed of first frame : Closed
-------------------> Before
GOP, Open/Closed : Closed
-------------------> After is just this 1 line which makes
sense
2) Scan type is a little confusing though:
Before -----> it always read Interlaced for all,
whether or not the Deinterlace box was checked or not
After ------> if Deinterlace box is checked, it reads
Interlace
I think it should be set to Progressive if deinterlace checked
....
Sorry, back to double-checking my logic ..
It seems with m2ts source and deinterlace on I get this mpeg2enc line:
Running
/data/data/com.termux/files/home/cinelerra/cinelerra-5.1/bin//mpeg2enc
-v 0 -b 8000 -q 1 -a 2 -F 3 -H -c -I 0 -M 8 -f 8 -g 15 -G 15 -R 0
-o '/data/data/com.termux/files/home/tmp/dvd_20230609-161131/dvd.m2v'
no "-z" , also "I" equals zero
but mediainfo still says:
Scan type : Progressive
Scan order : Top Field First
yet ffprobe says
Input #0, mpegvideo, from
'/data/data/com.termux/files/home/tmp/dvd_20230609-161131/dvd.m2v':
Duration: N/A, bitrate: N/A Stream #0:0: Video:
mpeg2video (Main), yuv420p(tv, bt470bg, progressive), 720x576 [SAR
16:15 DAR 4:3], 25 fps, 25 tbr, 1200k tbn
Side data:
cpb: bitrate max/min/avg: 8000000/0/0 buffer size: 1835008
vbv_delay: N/A
I was dumb I selected pal 4:3 instead of pal 16:9 in dvd master ....
So, may be this is bug (o-feature) in mediainfo?
Anyway, those parameters can be changed if you click on wrench
icon on video (mpeg) stream in second-stage window where batch
files already set up.
After ------> if Deinterlace box is NOT checked, it
reads Interlace IF input is interlaced BUT Progressive if
input media is not interlaced.
Does the above make sense? (I think I stated it correctly).
In the DVD media I tested on a really old non-digital TV
with a DVD player, the BFF media looked about the same as
the TFF media, even when original media was BFF or TFF.
But the old TV was so bad looking, that I am not sure it
was a good test.
Playing Interlaced DVD media on a new digital TV with a
DVD player, looked decent but that is probably due to the
software in the digital TV.
Playing DVD media on a new digital TV where the original
input was interlaced and CinGG had the Deinterlace box
checked, did result in some small jagged areas but mostly
visible only when stop or step.
RECOMMENDATION: if not editing the input media so you do
not need an NLE, i.e. CinGG, probably should refer to
ffmpeg, dvdauthor, or those forums that apply direct
copies of media exclusively for creating DVDs.
On Mon, Jun 5, 2023 at 5:49 PM Phyllis Smith
<phylsmith2...@gmail.com> wrote:
Can you clarify even with my patches AND
deinterlacing checkbox set in dvd creation window
and "use ffmpeg" unchecked you still get interlaced?
Confusing results that I did not consider. I will
thoroughly investigate "before and after" tomorrow and
let you know what is happening. (I should have done
this earlier).
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