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16 votes
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convert KAZAM video file to a file, playable in windows media player

Your KAZAM video features YUV444P pixel format which WMP may not support without extra filters. Using ffmpeg, run ffmpeg -i in.mp4 -pix_fmt yuv420p -c:a copy -movflags +faststart out.mp4 You can ...
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3 votes
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Video with inconsistent exposed / rendered image sizes

HDV camera, right? It's not untypical for cameras to claim higher resolution than they actually scan. In such cases you have to look at the different aspect ratios involved: pixel, frame, display, ...
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  • 4,654
3 votes

Downscaling 4K YUV420 to 1080p YUV444 with ffmpeg introduces red tint

I dug further and after reading the entire topic at Personal View, I found that user willyfan suggested to add in_range=full to both first scale arguments to correct a color shift that he also ...
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  • 161
3 votes

How to prevent ffmpeg from dropping frames when trimming?

Try to place the -ss and -to after the input: ffmpeg \ -i input-original.mp4 \ -ss 00:11:42 \ -to 01:11:22 \ -c copy \ output-trimmed.mp4 According to @Gyan (https://stackoverflow.com/...
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2 votes

VLC 3.0 (Vetinari): Unable to play 360 videos

The problem comes from the video which should have the metadata projection=equirectangular. To fix it: Install Python 3 Download Spatial Media Unzip Spatial Media Go into the folder (where there ...
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1 vote

How to capture DVB-T using a generic RTL2832U USB stick on a mac

Seems unlikely as per this section on the MythTV wiki: Pretty much the only Capture Cards that are supported on OS X are the HDHomerun tuners from Silicondust
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1 vote

Linux mkv packages for VLC

It is not an issue. VLC has many built-in codecs. MKV is not in them. So VLC rely on libmatroska to manipulate MKV. As VLC cannot know if you have it installed, it gives a warning. Check if ...
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1 vote
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How to get VLC like screen recording performance with FFmpeg?

Okay, I found the one option that will show you whether there is hardware support: ffmpeg -codecs | less Then search for your format, it looks like you'd type: /h264<enter> In my case, it ...
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1 vote

How to make DVR-generated MP4 easily playable in Windows?

As this should not be a problem, I can only assume there is either a fault with your DVR or your machine. Having some error messages could help, but really it's not a question of "how to make DVR ...
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  • 2,291
1 vote

How do you open multiple videos with multiple subtitles in VLC from command-line?

This is a workaround which converts the files to another container format. It happens almost as fast as your hard disk can write data because nothing is re-encoded. use MKVToolNix (specifically ...
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  • 1,361
1 vote

Upload edited video to YouTube

I'm not familiar with facebook video, and maybe someone else can help with that. 70MB is insanely small for 30 mins of video. What are the properties of the source video (in Premiere, right click the ...
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1 vote

How to prevent ffmpeg from dropping frames when trimming?

You can achieve the desired video without any broken or black frames by decoding and re-encoding the video. Although you need to know video codec and bit-rate in order to achieve so ffmpeg -i input-...
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1 vote
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VLC 3.0 (Vetinari): Unable to play 360 videos

The 360° video you downloaded is encoded as an equirectangular projection, meaning the video was projected onto a rectangular surface. This makes the video indistinguishable from a normal video. In ...
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  • 148
1 vote
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Best codec for playing unfinished files with VLC

Any header-less containers: .mjpeg (mjpeg raw streams, just concatenated jpeg images), .dv, .ts, .mpg (mpeg elementary stream, mpeg program stream), .h264 (annex b for raw h264 streams) and maybe ...
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  • 635
1 vote

Best codec for playing unfinished files with VLC

You can use H.264 in MPEG-TS. ffmpeg -i in -c:v libx264 out.ts In Potplayer, I can play as well as seek. In VLC, as well, but timestamps are missing. Limitation is that you can only seek to ...
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  • 30.2k
1 vote

Metadata says the video is 25i, but MPC plays it as 50i

25i and 50i are the same thing. 25i means "25 frames per second, interlaced". 50i means "50 fields per second", the latter implies interlaced video. Likewise, 30i and 60i are the same thing. ...
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1 vote

Why is YouTube and VLC making a slight but noticeable mess of my video background?

This is a problem that drove me crazy... Long story short; certain browsers; whether it's Chrome, Explorer, Firefox, etc, actually handle color profiles, embedded within the video file (such as color ...
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  • 2,457
1 vote

Is there a buffer caching application that preloads streaming video?

Launch VLC. Go to Open Network Stream. After specifying the URL, select Convert in place of Play. Choose Dump raw input. In destination file, specify somefilename.ts. Wait 10 minutes. Launch another ...
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  • 30.2k
1 vote

How to stream video with delay

You could try using OBS streaming software (which is free), and then check out this tutorial for how to add delay to your stream. Basically you go into the advanced settings of OBS and go to the delay ...
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  • 138

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