Questions tagged [codec]
A 'coder-decoder' computer program capable of encoding and/or decoding a digital data stream or signal.
241 questions
1 vote
0 answers
29 views
In my Premiere sequence, blurred dark areas look normal. After exporting, there are puddles of dead pixels. What's going on?
I'm using Premiere Pro to apply a blur effect to a video in the foreground to make it look out of focus. This issue applies whether I use Gaussian blur or Camera blur. When I watch it in my sequence, ...
- 133
0 votes
1 answer
399 views
Audio is mostly silent with cracking stuttering noises every few seconds
The audio of my video file is faulty. I tried both VLC player and CLI ffplay. What I'm observing is that the audio is "stuttering" in the sense that it's silent for the most part with ...
- 1
0 votes
0 answers
63 views
Advice choosing an archival format; prioritize pixel format or PSNR?
I produce 3D animations and I keep an archive of the final rendered animation (lossless 16 bpc RGB tif sequences) in case I need to re-upload it somewhere else in the future. It is much faster to just ...
2 votes
0 answers
32 views
Kodak's h263 MOV files - letterboxed on playback - how to force editors & VLC to use "width" instead of "original width"?
I found a lot of family movies in my old Kodak DX6340 digital camera. Unfortunately, none of the editors (Filmora, Davinci, Movavi, MovieMaker) or any player (except Apple QuickTime Player) can ...
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0 votes
1 answer
179 views
What is the Resolution and Frame Rate/Bitrate limitation for VP8 Codec
As per the documentation of VP9 Codec in Wikipedia VP9 has the concept of Profile and Level. Based on these profiles and levels it also has some limitations on Resolution/Frame Rate/ Bitrate as ...
- 145
0 votes
1 answer
97 views
Missing video codec
I have a Samsung TV which can play video files from an external USB source. Generally this works fine, however recently I've come across some mp4 files which it says it can't play. I was a little ...
- 103
0 votes
1 answer
567 views
Best ffmpeg compression settings for fast seeking of long 4 hour clip
I've got a low-resolution 4 hour clip, and need to do a lot of seeking in the video to write down when stuff happens. Do you have any suggestions for what format/settings would be the most "seek-...
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0 votes
1 answer
1k views
How to send av1 encoded stream to a mediamtx server?
I want to test streaming av1 encoded video from the command line but I don't have enough expertise to know if I'm doing something wrong or if it's simply unsupported. So far I've tried gst-launch-1.0 ...
- 101
1 vote
0 answers
152 views
Less color and detail visible when videos are played in VLC (Linux, NVIDIA)
When I watch videos from my GoPro, the colors look much better in Dragonplayer (stock player with KDE). This is the case for both x264 videos: With HEVC there is also a difference, although I think ...
- 111
2 votes
1 answer
997 views
Is 10 frames a second the lowest h.265 can go?
I produce videos that are mainly audio with some slides as visuals. The slides change about once every 30 seconds, so even at a frame rate of 1fps my video would play smoothly. When I try and export ...
- 123
2 votes
0 answers
453 views
What actually distinguishes various MPEG-4 Part 2 video codecs (divx, xvid, mpeg4, msmpeg4v1, mp4v, etc.)
I recently audited a large folder containing a variety of encoded videos from 2002-2014. Using ffmpeg, I extracted and recorded metadata, including the video codec used on the film. An example command ...
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0 votes
0 answers
27 views
How can I make a smaller video when it has limited unique frames?
I'm currently editing a podcast that is mainly audio with only three unique images shown on screen. However, using h264 encoding gives me a massive file, how can I leverage the limited number of ...
- 123
0 votes
1 answer
329 views
Suitable alternative to Quicktime RLE for alpha-containing non-cartoon videos?
I'm producing a product that involves a composition of several videos, over alpha layers, and there are surprisingly few options aside from image lists. Quicktime's RLE (Run-Length Encoding) codec ...
- 170
5 votes
0 answers
252 views
Optimized Parameters of `FFMPEG` for Screen Recording
Windows has a great codec for screen recording called Windows Media Video Screen. It generates artifacts free videos which are highly compressed (small size). I was wondering, what would be the ...
- 151
0 votes
0 answers
2k views
H264 AVC codec [email protected] vs [email protected]
When I convert a video with ffmpeg, and use mediaInfo to review the metadata, I see the followings for the video codec: Format : AVC Format/Info : Advanced Video Codec Format profile : [email protected] ...
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