<br><br>On Wednesday, November 10, 2021, Terje J. Hanssen via Cin <<a href="mailto:cin@lists.cinelerra-gg.org">cin@lists.cinelerra-gg.org</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
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Den 06.11.2021 23:20, skrev Terje J. Hanssen:<br>
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Den 06.11.2021 22:19, skrev Andrea paz via Cin:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
@"Manual"<br>
I think it could be useful if it is possible to add some overview<br>
table(s) i.e in the manual section FFmpeg Format Options inside<br>
CINELERRA-GG:<br>
That is, valid and Standard Profiles with Compression and Pixels<br>
properties for actual purposes and media, that works for Cin-GG and<br>
Cin-GG multibit respectively?<br>
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Andrea, do you want to add this or should I try?<br>
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Good idea!<br>
The formats and codecs are too many and with too many variables; an<br>
idea could be to collect the ones used by the users; so we could<br>
indicate the combinations surely functional and tested. What do you<br>
say folks, would you like to send the formats and options you use?<br>
PS (@Phyllis): In the meantime I attach you the modify proposed by Andrew.<br>
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Tip:<br>
Pick and compile a list of the most relevant and compatible (standard) file formats/options for Cin-GG/ffmpeg rendering.<br>
While I have just used the generic .mp4 container for my test files, Blu-ray and Ultra HD Blu-ray and DVD video discs use other.<br>
<br>
Some reference articles:<br>
<a href="https://blog.filestack.com/thoughts-and-knowledge/complete-list-audio-video-file-formats/" target="_blank">https://blog.filestack.com/tho<wbr>ughts-and-knowledge/complete-<wbr>list-audio-video-file-formats/</a> <br>
<a href="https://www.computer.org/publications/tech-news/trends/8-best-video-file-formats-for-2020" target="_blank">https://www.computer.org/publi<wbr>cations/tech-news/trends/8-<wbr>best-video-file-formats-for-20<wbr>20</a> <br>
<a href="https://www.borrowlenses.com/blog/video-file-formats/" target="_blank">https://www.borrowlenses.com/b<wbr>log/video-file-formats/</a><br>
<a href="https://www.adobe.com/creativecloud/video/discover/best-video-format.html" target="_blank">https://www.adobe.com/creative<wbr>cloud/video/discover/best-<wbr>video-format.html</a><br>
<a href="https://support.google.com/youtube/troubleshooter/2888402?hl=en" target="_blank">https://support.google.com/you<wbr>tube/troubleshooter/2888402?<wbr>hl=en</a><br>
<a href="https://en.wikipedia.org/wiki/Video_file_format" target="_blank">https://en.wikipedia.org/wiki/<wbr>Video_file_format</a><br>
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IMO users often want encoding settings that fit the input file (source) quality and easy adjustments for the purpose of the output file.<br>
If Cin-GG/ffmpeg automatic could setup default format and render options/parameters/preset this way, it would be a good starting point.<br>
Maybe Cin-gg already is not far away from something like this?<br>
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Again, to use my source file as an example:<br>
<br>
ffprobe hd01.mov<br>
[...........]<br>
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'hd01.mov':<br>
Metadata:<br>
creation_time : 2016-02-23T23:49:21.000000Z<br>
Duration: 00:01:11.24, start: 0.000000, bitrate: 200607 kb/s<br>
Stream #0:0(eng): Video: prores (HQ) (apch / 0x68637061), yuv422p10le(tv, bt709/unknown/unknown, top coded first (swapped)), 1920x1080, 182130 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 2500 tbn, 2500 tbc (default)<br>
Metadata:<br>
creation_time : 2016-02-23T23:49:21.000000Z<br>
handler_name : Apple Video Media Handler<br>
vendor_id : appl<br>
encoder : Apple ProRes 422 (HQ)<br>
Stream #0:1(eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000 Hz, 16 channels, s32 (24 bit), 18432 kb/s (default)<br>
Metadata:<br>
creation_time : 2016-02-23T23:49:21.000000Z<br>
handler_name : Apple Sound Media Handler<br>
vendor_id : [0][0][0][0]<br>
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As this source file is a 10-bit 422 video with pcm audio, I think the following render setup could fit automatic:<br>
Setting Format: rgb(a)-float color model<br>
Render File Format: FFMPEG mp4<br>
Video compression: h264-10bit.mp4 user opti. h265-10bit.mp4<br>
Pixels : yuv422p10le<br>
Bitrate: ?<br>
Quality: ?<br>
Preset: Medium default w/i.e user purpose adjustment faster/slower<br>
Audio: would it be possible and compliant to have the option to just copy the source PCM audio?</blockquote><div><br></div><div><br></div><div>well, I do not think cinelerra can just pass original audio untouched (</div><div>May be this can be coded, but IMO Cin's main focus was on re-processing input audio and video, not just cutting. Also, input sources for one session can vary... {this one is less of problem, just so far there is no 'guess' table that can be used for setting up parameters from already-known at encoding time session params}. Maybe encoding profiles can be used for this, need to look.. </div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
(Another one for "home-made HD videos" on Blu-ray discs (BDAV):<br>
Will it be possible to record (copy) source 1080iHDV.m2t files (video and audio) to the BD-R(E) discs?)</blockquote><div><br></div><div><br></div><div>I was thinking about integrating tsMuxer but this does not solve problem about unavailability of pre-encoded packets in cin's vframe for mpeg2.. Probably BC_COMPRESSED type should be split for mjpeg/dv/mpeg2/h264 types but this is larger rework than I can attempt from tablet ... </div><div><br></div><div>May be for cuts-only you can export edl and then use ffmpeg's copy/mux mode ? (no ready to use script for this, sorry) </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Terje J. H<br>
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