<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
Here is how I test the seg format:<br>
<br>
Shift-P | Recording<br>
<blockquote>FFMPEG: seg<br>
Audio wrench: mkv_lpcm.seg<br>
Video wrench: mpeg2sd422p_mkv.seg<br>
</blockquote>
<br>
r(ecord)<br>
<blockquote>Path:/home/terje/Videos/Record_mpeg2sd422p_%02d.mkv<br>
Start record ..........<br>
Stop record<br>
</blockquote>
Then the following segment files are stored<br>
<br>
<font face="Courier New, Courier, monospace">du -sh Record*<br>
</font>
<blockquote><font face="Courier New, Courier, monospace">7,5M
Record_mpeg2sd422p_00.mkv<br>
7,3M Record_mpeg2sd422p_01.mkv<br>
7,3M Record_mpeg2sd422p_02.mkv<br>
8,2M Record_mpeg2sd422p_03.mkv<br>
7,3M Record_mpeg2sd422p_04.mkv<br>
7,3M Record_mpeg2sd422p_05.mkv<br>
8,2M Record_mpeg2sd422p_06.mkv<br>
7,3M Record_mpeg2sd422p_07.mkv</font><br>
..........<br>
</blockquote>
<font face="Courier New, Courier, monospace"><br>
ffprobe -hide_banner Record_mpeg2sd422p_00.mkv<br>
Input #0, matroska,webm, from 'Record_mpeg2sd422p_00.mkv':<br>
Metadata:<br>
ENCODER : Lavf61.1.100<br>
Duration: 00:00:02.31, start: 0.020000, bitrate: 26865 kb/s<br>
Stream #0:0: Video: mpeg2video (4:2:2), yuv422p(tv,
bt709/unknown/unknown, progressive), 720x576 [SAR 1:1 DAR 5:4], 50
fps, 50 tbr, 1k tbn<br>
Metadata:<br>
DURATION : 00:00:02.180000000<br>
Side data:<br>
cpb: bitrate max/min/avg: 30000000/0/0 buffer size:
25001984 vbv_delay: N/A<br>
Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16,
1536 kb/s<br>
Metadata:<br>
DURATION : 00:00:02.311000000</font><br>
<br>
<br>
The video and audio duration is not exactly identical<br>
<br>
I am not sure that changing the segment time in the presets work
correctly, because at least in my test the file sizes didn't change
much(?)<br>
<br>
<br>
<div class="moz-cite-prefix">On 20.06.2025 20:49, Phyllis Smith
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAOckJE1i2tTPQnBxNomt-_cPSqJk3+0Z+e4z_7entfjaJo8_YQ@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div class="gmail_default" style="font-size:small">Successfully
used both of these new render formats: mpeg2sd422p.mkv and
mpeg2sd422p.m2ts.</div>
<div class="gmail_default" style="font-size:small">But I have
not found a good/clean way to use any of the xxxx.seg formats
yet which can be easily documented and used so holding off on
those still. Thanks, Terje (and Andrew).<br>
</div>
</div>
<br>
<div class="gmail_quote gmail_quote_container">
<div dir="ltr" class="gmail_attr">On Sun, Jun 15, 2025 at
5:06 AM Terje J. Hanssen via Cin <<a
href="mailto:cin@lists.cinelerra-gg.org"
moz-do-not-send="true" class="moz-txt-link-freetext">cin@lists.cinelerra-gg.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Attach
the mkv (draft) presetg versions:<br>
<br>
cat mpeg2sd422p.mkv<br>
matroska mpeg2video<br>
cin_pix_fmt=yuv422p<br>
b=30M<br>
muxrate=35M<br>
minrate=30M<br>
maxrate=30M<br>
bufsize=25M<br>
profile=422p<br>
<br>
cat mpeg2sd422p_mkv.seg<br>
segment mpeg2video<br>
segment_format=matroska<br>
segment_time=00:10 <= your segment time<br>
reset_timestamps=1<br>
cin_pix_fmt=yuv422p<br>
b=30M<br>
muxrate=35M<br>
minrate=30M<br>
maxrate=30M<br>
bufsize=25M<br>
profile=422p<br>
<br>
cat mkv_lpcm.seg<br>
segment pcm_s16le<br>
segment_format=matroska<br>
segment_time=00:10 <= your segment time<br>
reset_timestamps=1<br>
id 0x1100<br>
<br>
-------------<br>
<br>
ffprobe -hide_banner cgg_mpeg2sd422p.mkv<br>
Input #0, matroska,webm, from 'cgg_mpeg2sd422p.mkv':<br>
Metadata:<br>
ENCODER : Lavf61.1.100<br>
Duration: 00:00:09.84, start: 0.000000, bitrate: 30898 kb/s<br>
Stream #0:0: Video: mpeg2video (4:2:2), yuv422p(tv, <br>
bt709/unknown/unknown, progressive), 720x576 [SAR 1:1 DAR
5:4], 50 fps, <br>
50 tbr, 1k tbn<br>
Metadata:<br>
DURATION : 00:00:09.840000000<br>
Side data:<br>
cpb: bitrate max/min/avg: 30000000/0/0 buffer size:
25001984 <br>
vbv_delay: N/A<br>
Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels,
s16, 1536 kb/s<br>
Metadata:<br>
DURATION : 00:00:09.791000000<br>
<br>
----------<br>
<br>
ffprobe -hide_banner cgg_mpeg2sd422p_03.mkv<br>
Input #0, matroska,webm, from 'cgg_mpeg2sd422p_03.mkv':<br>
Metadata:<br>
ENCODER : Lavf61.1.100<br>
Duration: 00:00:08.18, start: 6.010000, bitrate: 8025 kb/s<br>
Stream #0:0: Video: mpeg2video (4:2:2), yuv422p(tv, <br>
bt709/unknown/unknown, progressive), 720x576 [SAR 1:1 DAR
5:4], 50 fps, <br>
50 tbr, 1k tbn<br>
Metadata:<br>
DURATION : 00:00:08.180000000<br>
Side data:<br>
cpb: bitrate max/min/avg: 30000000/0/0 buffer size:
25001984 <br>
vbv_delay: N/A<br>
Stream #0:1(eng): Audio: mp2, 48000 Hz, stereo, s16p, 384
kb/s<br>
Metadata:<br>
DURATION : 00:00:08.180000000<br>
<br>
<br>
<br>
<br>
-- <br>
Cin mailing list<br>
<a href="mailto:Cin@lists.cinelerra-gg.org" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">Cin@lists.cinelerra-gg.org</a><br>
<a href="https://lists.cinelerra-gg.org/mailman/listinfo/cin"
rel="noreferrer" target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">https://lists.cinelerra-gg.org/mailman/listinfo/cin</a><br>
</blockquote>
</div>
</blockquote>
<br>
</body>
</html>