17
votes
Accepted
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 ...
- 32.6k
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 ...
- 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/...
- 341
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 ...
2
votes
Accepted
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 ...
- 220
1
vote
Accepted
A video tool or ffmpeg filter to fix slightly shaky films from the 70s and 80s?
This is most often caused by interlace artifacts as televisions and video devices prior to 1998 used interlace to pass video between them. This included VCR's DVD players TV's (even HDTV's at the time)...
- 26
1
vote
How to play Video TS folder in VLC or convert it to MP4
Video data should be in *.vob files. You need to copy almost all existing *.vob files into one (almost all because VTS_01_0.VOB has DVD menu data so you can skip it). Here is an example for five ...
- 251
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 ...
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 ...
- 2,317
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 ...
- 1,401
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 ...
- 687
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-...
1
vote
Accepted
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 ...
- 148
1
vote
Accepted
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 ...
- 675
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 ...
- 32.6k
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. ...
- 494
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 ...
- 2,477
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 ...
- 32.6k
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 ...
- 138
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
- 32.6k
Only top scored, non community-wiki answers of a minimum length are eligible