Search found 255 matches

by pandy
Tue Oct 22, 2019 4:00 pm
Forum: Usage
Topic: Speed Up Video
Replies: 5
Views: 577

Re: Speed Up Video

perhaps? (not tested)

Code: Select all

ffmpeg -r 60 -i infile.avi -vcodec rawvideo -y outfile.avi
by pandy
Tue Oct 22, 2019 3:54 pm
Forum: Usage
Topic: How to create a high quality video file from JPGs using FFMPEG?
Replies: 26
Views: 2975

Re: How to create a high quality video file from JPGs using FFMPEG?

Sorry for delay - this is very hectic time in my work and life - apologies There are two scripts - first one encode losslessly video and can produce intermediate lossless file for proper encoding - I use ffv1 as it supports more video formats. @echo off @setlocal @ffmpeg -hide_banner -loglevel 32 -s...
by pandy
Thu Oct 17, 2019 7:01 pm
Forum: Usage
Topic: movie output doesn't match image source
Replies: 3
Views: 816

Re: movie output doesn't match image source

-color_primaries <int> ED.V..... color primaries (from 1 to INT_MAX) (default unknown) bt709 ED.V..... BT.709 unknown ED.V..... Unspecified bt470m ED.V..... BT.470 M bt470bg ED.V..... BT.470 BG smpte170m ED.V..... SMPTE 170 M smpte240m ED.V..... SMPTE 240 M film ED.V..... Film bt2020 ED.V..... BT.2...
by pandy
Thu Oct 17, 2019 6:53 pm
Forum: Usage
Topic: How to create a high quality video file from JPGs using FFMPEG?
Replies: 26
Views: 2975

Re: How to create a high quality video file from JPGs using FFMPEG?

This can be interesting for you: https://forum.doom9.org/showthread.php?t=144271 https://forum.doom9.org/showthread.php?t=165975 I think H.264 can support 18fps - not sure how your player will deal with such video. I can try to dig my scripts during weekend and perhaps something can be easily adapte...
by pandy
Wed Oct 16, 2019 5:37 pm
Forum: Usage
Topic: open HLS stream on Linux - HTTP error 404 Not Found, on Windows - OK
Replies: 1
Views: 698

Re: open HLS stream on Linux - HTTP error 404 Not Found, on Windows - OK

Don't get me wrong but this forum is dedicated to support users using Zeranoe builds and seem they are dedicated for Windows and for Mac OS. You may not get help in Linux specific problems.
by pandy
Wed Oct 16, 2019 5:28 pm
Forum: Usage
Topic: Error running command: could not get mpeg2 profile and level av_interleaved_write_frame(): Operation not permitted
Replies: 3
Views: 1707

Re: Error running command: could not get mpeg2 profile and level av_interleaved_write_frame(): Operation not permitted

Reino wrote:
Tue Oct 15, 2019 11:31 pm
There's nothing wrong with the mapping. Your suggested -map 1:1 doesn't even exist.
True, my fault - sorry
by pandy
Wed Oct 16, 2019 5:24 pm
Forum: Usage
Topic: Standard pal tag with 1920x1080
Replies: 3
Views: 789

Re: Standard pal tag with 1920x1080

You can control libx264 trough private codec options, for example: @SET x264opts="crf=%quality%:level=4.0:qpmin=8:vbv_maxrate=16000:vbv_bufsize=12000:cabac=1:interlaced=0:no_psnr=1:no_ssim=1:bluray_compat=1:open-gop=0:pic_struct=1:aud=1:nal_hrd=vbr:force_cfr=1:fullrange=off:overscan=show:colorprim=b...
by pandy
Wed Oct 16, 2019 5:14 pm
Forum: Usage
Topic: movie output doesn't match image source
Replies: 3
Views: 816

Re: movie output doesn't match image source

I know you already has similar thread ongoing on videohelp.com - i pointed you that your problem may be solved by explicitly signalling to ffmpeg used colour space and quantization range.
by pandy
Wed Oct 16, 2019 5:11 pm
Forum: Usage
Topic: How to create a high quality video file from JPGs using FFMPEG?
Replies: 26
Views: 2975

Re: How to create a high quality video file from JPGs using FFMPEG?

Ok, now it is more clear to me - however be aware of the most important factor - framerate - 18fps is uncommon in video world and as such you may be forced to convert your 18fps video to something more common for video world - you can provide one important thing - how many fps is used by your countr...
by pandy
Tue Oct 15, 2019 6:36 pm
Forum: Usage
Topic: How to create a high quality video file from JPGs using FFMPEG?
Replies: 26
Views: 2975

Re: How to create a high quality video file from JPGs using FFMPEG?

Depends on your goal - this is not clear to me - or your intention is to process further such video - or your intention is just to watch produced video with high quality but at the same time using widely supported lossy codec (as using lossy codec doesn't mean your perceived quality is significantly...
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