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In FFMPEG's H.265 encoder, which CRF value leads to "visually lossless" results?

I am trying to shrink some videos from 1920x1080 to 1280x720 and to achieve a reasonable compromise between video quality and file size. I have decided to give FFMPEG's H.265 encoder a try, and now ...
Binarus's user avatar
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3 votes
1 answer
404 views

compare two video then cut the different

I have 2 video files with the same content, but coming from a different source. They have a slight difference in 'cut' and language dubbing, meaning one can be missing a shot compared to the other. I ...
djsoda's user avatar
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2 votes
0 answers
322 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 ...
aaron's user avatar
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2 votes
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670 views

Is QTGMC still the best deinterlacer?

From reading various video forums, QTGMC seems to have a reputation as being one of the best tools for deinterlacing video (at least from an open-source perspective), with Yadif in second place. Is ...
Simon East's user avatar
2 votes
0 answers
3k views

Sony AVC vs. MAGIX AVC vs. MainConcept MPEG-2: what's the difference?

In VEGAS Pro 16.0 I'm given (at least) three options if I want to render a 1080p 30fps video for YouTube upload: Sony AVC/MVC, template "Internet 1920x1080-30p" Use this setting to create the ...
qwr's user avatar
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2 votes
0 answers
3k views

Corrupt frames: what to do

I’ve discovered some corrupt frames in the footage I am working on (.mxf format, shot on Sony PXW 70, I only have access to the files copied to the hard drive, and the broken frames are in the ...
toharsky's user avatar
2 votes
0 answers
114 views

Before I throw away these massive uncompressed VHS digitizations, what kind of post processing can I do to improve them?

An uncompressed digitized VHS tape is like 60 gigs. Obviously way too big. I can compress it down using H.265 and get basically the same quality. But before I do that, is there any production ...
Aslan French's user avatar
1 vote
0 answers
43 views

How to KEEP PIXELS when exporting my video?

I’m making a pixel art video, so I definitely want hard edges on pixels. However, Premiere Pro likes blurring them all when I export the video (and also some in preview). Moreover, I have a Pixel font ...
Curio's user avatar
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0 answers
12 views

Why I cannot seem to get a good image in 360p Youtube?

This is a Canon M50 4K footage [manual focus] using Kit-lens, using very fast shutter speed around 1/300, ISO around 400, and Aperture f/4. (No edit just straight from the memory card) ...
Redsbefall's user avatar
1 vote
1 answer
377 views

How to encode scenes with different CRF into a H.264 MP4 video with a variable frame rate?

Source Material Having many scenes which essentially are still frames (for many seconds) Commonly found in: Slideshows, Screen Recording or Software Mockup/Prototype ✅ This kind of source material ...
porg's user avatar
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What type of issues does Sony FR7 have with NDI?

What issues does Sony have, if any, with the NDI protocol? Is the image as good if it was recorded in camera? I appreciate any help you can provide. Here is a list of the items Im researching Sony ...
13months's user avatar
1 vote
0 answers
18 views

Is there a way to decrease blurriness in video so that the text is readable?

I have a video of a lecture but the resolution is not great and I can't really read what's written on the blackboard. Is there a way to artificially increase the resolution or decrease blurriness? It ...
Dio's user avatar
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1 vote
0 answers
31 views

How do you achieve this soft/glowish low contrast black and white look?

Watched La Haine 4k version the other day and was captivated by how BFI gave the film a much low contrast soft look in comparison to criterion hard contrast look. I know lightning plays a vital role ...
dee's user avatar
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Rendering 3d in AE CS6 is blurry

I'd like to seek help here about rendering in AE CS6 🙏🙏🙏... I'm a noob by the way, I just finished a few 4sec animation and have no problem rendering non-3d compositions... But my first 3d ...
GAC's user avatar
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43 views

GoPro's denoising artifacts

When shooting a piano from overhead with a GoPro Hero10 Black, the hands' skin texture and knuckle wrinkles are smoothed so much that it looks like a plastic mannequin. It looks like what PhotoShop ...
Camille Goudeseune's user avatar
1 vote
0 answers
438 views

FFmpeg 5.0 vs 3.4 performance

I was trying to compare ffmpeg 5.0 vs version 3.4.6 in how much performance improvements I would get while transcoding a simple 720p video into a H264 video. On my laptop, I noticed around 5-10% ...
angel_30's user avatar
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1 vote
0 answers
36 views

AE Animation Bad Quality on YouTube

I've created an animation in After Effects, and dynamic linked the composition into Premiere for audio editing. Then I exported from PR using Media Encoder. The exported file looks good, but when ...
Onion44's user avatar
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1 vote
0 answers
130 views

FFmpeg - Loss of video quality when using vf setpts

I created a screen recorder for iOS using FFmpeg. I concat the images into a video which is fine and the quality doesn't change much from the screenshots but when I use setpts to match the video to ...
STerrier's user avatar
1 vote
0 answers
29 views

360video - POV Learning Scenarios

I'm working for an educational facility for social workers and have a project to shoot 2 scenarios, of physical escalation with therapists and patients with cognitive disabilities, in POV. The ...
Joval's user avatar
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1 vote
2 answers
81 views

Improve quality of recorded screen

I tried a lot of different screen recording software but all of them can't record a video with the same quality I see on screen: looks like there is a unsharp mask, or something similar. Now I'm using ...
Mattia's user avatar
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1 vote
0 answers
152 views

How to get ffmpeg configuration similar to that of youtube for 480p and 1080p video? I have got a function but the output quality is too low

Hey guys I am learning to develop a website that converts videos to youtube quality (or close enough) 480p and 1080p, I am not much familiar with ffmpeg and struggling with its documentation. I have ...
prehistoricbeast's user avatar
1 vote
1 answer
762 views

Kdenlive preserves original quality

Sometimes I use Kdenlive to cut videos because it is convenient. Something bothering me is that the application goes to the re-render process which has no point. I also have no idea what quality to ...
ar2015's user avatar
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1 vote
1 answer
743 views

Camtasia Studio video files are too big

I've been trying to export an HD video from a screen recording created with Camtasia studio, but every rendering is returning videos with 80 mb/s of bitrate, I'm setting it to 65% quality, MP4. If I ...
023023's user avatar
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1 vote
0 answers
44 views

Testing if VCR supports S-Video by image comparison. Is it correct?

When I capture a video from my VCR (a Sharp VC-M401SM) with an S-Video cable connected to a SCART adaptor (like the one shown in this post) I obtain a gray-scale image. One possibility for this is ...
simonet's user avatar
  • 143
1 vote
1 answer
350 views

poor quality video VHS camcorder: is there a fix?

I recently rescued an old Panasonic M40 VHS camcorder. All the electronics work absolutely fine. I bought a pack of VHS tapes and did a quick video test. The video quality is very bad with wobbly ...
Microk's user avatar
  • 11
1 vote
1 answer
458 views

iMovie 4K resolution to Keynote – apparent loss of resolution

I exported a 4k resolution video from iMovie on my MacBook Pro. I imported it into Keynote in order to crop it. I noticed that upon exporting from Keynote, the resolution of the video was markedly ...
user avatar
1 vote
0 answers
19 views

RAW Format videos database

there is an online database for raw videos? I wanted to download some videos in RAW Format for a university work and I can't find none. The job I have to do is to encode the RAW video with different ...
João Castilho's user avatar
1 vote
1 answer
288 views

What is the maximum 2D video quality on Oculus Quest?

If you want to create a 2D video to display on an Oculus Quest VR Headset, what is the highest video resolution the Oculus Quest is capable of displaying? 720p or 1080p or 4K or what? Do the ...
Keshav Srinivasan's user avatar
1 vote
1 answer
1k views

Video quality degrades when uploading to YouTube with variable frame rate

So I use OBS (latest ver) to record my gameplay on Windows 10. OBS settings are: recording format: MP4 Recording quality: indistinguishable quality, large file size Encoder: Software (x264 low CPU ...
hotcakex's user avatar
1 vote
0 answers
222 views

Optimizing HTML5 video for best quality

I have a 3 minute video I'd like to embed on a web page. The problem is that despite best efforts, the file size of the video ends up being over 30 mb. I would like the size to be near 10 mb. I have ...
auto's user avatar
  • 121
1 vote
0 answers
706 views

Change resolution according to bandwidth at the start of the video

The use case described here is very much the same as the YouTube's feature where a lower resolution of the video is selected if the user's network speed is low. But, I'd like to do this only at the ...
Vijeth Aradhya's user avatar
1 vote
0 answers
234 views

How can I remove a spotlight effect from a MP4 captured from Youtube?

I want to fix a youtube video by capturing it an removing the spotlight effect. its a bright spot in the middle of the frame. I captured it as an MP4. How can I fix it?
Midnight's user avatar
1 vote
0 answers
836 views

The videos I uploaded to a Facebook canvas are discolored. Any thoughts on why?

I built a Facebook canvas advertisementwith a mixture of image, video, and carousel elements. When you first load the canvas element, the video elements match the other imagery used in the ad well. ...
Liz's user avatar
  • 111
1 vote
0 answers
149 views

Problem with external playback on Canon SX50 HS Powershot

I have a Canon SX50 HS Powershot and recently I discovered that when I play videos on my SD card on my computer using the Windows Media Player, the video quality itself is much more pixelated and ...
Zahra Lahgazi's user avatar
1 vote
0 answers
448 views

Producing Video Lectures similar to Coursera/EDX

I would like to record video lectures using a light board scenario which is a transparent board on which one can draw as if one is drawing on the screen/camera itself. For those of you interested, ...
mmvsbg's user avatar
  • 197
1 vote
0 answers
109 views

How Can I Eliminate Moiré With Blackmagic 2.5K?

Just picked up Blackmagic camera. Shooting in 2.5K for a series of interviews and experiencing excessive moire throughout all subjects. There are no obnoxious patterns on anyone, so I'm wondering what ...
user5191's user avatar
1 vote
0 answers
139 views

Changing position creates loss of quality in Premiere Pro CS5

I have a Premiere Pro (CS5) project with raw files that are of good quality (image looks sharp), etc. When I export it, no matter what settings, it looks worse. At first I thought it was an OS X vs. ...
R S's user avatar
  • 111
1 vote
0 answers
296 views

From Avid Media Composer to DVD?

I have a 1920x1080i project (a 50 minute film) in Avid Media Composer (version 3). How can I make a high-quality DVD from my project? Specifically: Can I export straight from Avid to a DVD format ...
Dan's user avatar
  • 11
0 votes
0 answers
4 views

kdenlive renders choppy video

I've just started trying out kdenlive and I can't get it to render nice smooth video output to the same quality as my input. No matter how high I set the quality settings the rendered video I get ...
Jez's user avatar
  • 101
0 votes
0 answers
40 views

Difference between crf and cq settings in ffmpeg

What is the difference between -crf and -cq parameters of ffmpeg? I am trying to compress 1080p h264 videos into 1080p h265 videos with high quality and low size. I have noticed that in some guides ...
jamana's user avatar
  • 1
0 votes
1 answer
18 views

What is this video dithering effect called + how can i achieve this?

I'm going to make a vlog using this effect since I was looking for a LQ, Nokia-ish footage! What is this effect called and can it be achieved via After Effects? Thank you!
dn dn dn's user avatar
0 votes
0 answers
7 views

Transporting Video Signal Over Optical Fiber

I have stumbled upon an issue while doing an application. In this application there is an existing multimode fiber which is installed. We will be using Sony PXW-Z90 and QuestTel's optical extenders. ...
JohnMoore1000's user avatar
0 votes
0 answers
7 views

Vertical edges appear shaky while the camera moves horizontally

I have noticed that in the video the vertical edges of the rock (I mean the rock that is a kind of a monument just behind the subject) seem to jump back and forth while ...
Michał Kołodziejczyk's user avatar
0 votes
0 answers
7 views

I need help creating a good GIF

I am using VSDC to create a GIF image of three images that fade from one into the other. I think I have gotten the fade working well. In the timeline, I fade out one image as I also fade in the next ...
xarzu's user avatar
  • 101
0 votes
1 answer
24 views

What kind of video or audio encoding is causing this?

Trying to stream a video (mkv) on a Samsung 2017 TV and some videos are "lagging" / buggy. I don't know the term for this kind of issue so it's hard for me to pinpoint the problem. The video ...
Pobe's user avatar
  • 101
0 votes
0 answers
10 views

Videos of interacting art (from two different types of art genres)

I was unsure about whether to post this on the Computer Graphics stack exchange. I could also have chosen the Graphic Design stack exchange or the Arts & Crafts stack exchange. However, as you ...
Joselin Jocklingson's user avatar
0 votes
0 answers
5 views

Algorithm to perform adaptive quality control for videos?

0 I recently had an interview experience that was un-aligned with my software engineering experience, but I still think want to get a better understanding of what the interviewer was asking, which I ...
fatma5727's user avatar
0 votes
0 answers
9 views

Noise artifacts when recording HDR videos

I have a Google Pixel 7 smartphone with support for HDR (10 bit) video recording technology in 4k 30 frames. And I was wondering how the environment affects the shooting of this video format. When ...
Vsevolod Kasatchikov's user avatar
0 votes
0 answers
17 views

Where to find alternative audio tracks for TV series

How can I add several audio tracks with different translations to a series, as film sites do in some series with 10 translations, where can I find them?
Aleksander's user avatar
0 votes
0 answers
60 views

How to turn-off Anti-aliasing when convert video into gif file with ffmpeg

I want to know how can i turn off Anti-aliasing when i convert video into gif file with ffmpeg, Actually i want ouput in 100% pure aliased gif animation. like this sample image Here i try this but ...
NewPal's user avatar
  • 1