Questions tagged [video-quality]

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3
votes
1answer
176 views

why movie video is different from other videos (sports, news, or other)

I'm not a video producer or anything but I always noticed the different of the image from a movie vs a regular video. I'm curious, re they shot on different camera types or it's just post-production ...
8
votes
1answer
24k views

What CRF or settings I should choose for h265 in order to achieve a similiar quality of h264?

I'm doing some experiments with HEVC x265. I have a raw footage and the quality of details of h264 with same CRF setting looks better than h265. Shouldn't be the opposite? Maybe my setup isn't the ...
3
votes
2answers
861 views

Compare an original video with a transferred video?

I want to compare an original video with the same video but transferred through a device. How can I do that? I want to compare them to improve the transferred video quality. The video is transferred ...
3
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2answers
2k views

4:3 video has 720x480 resolution

I was trying to do some video editing and encoding. I have a so-called SD video that should supposedly be in 4:3 aspect ratio. But instead of 640x480, it is 720x480. Interestingly, when I play it with ...
1
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2answers
2k views

FFmpeg does not preserve colors after resizing

I would like to resize a 4K mkv video to 1920×1080 with ffmpeg version 3.4.6-0ubuntu0.18.04.1 on Ubuntu 18.04. The original file has the following features: Input #0, matroska,webm encoder : ...
0
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0answers
423 views

Check first then enforce and match various broadcaster requests with ffmpeg

This question is a spin-off of a previous one focused mostly on Premiere Pro: How match this broadcast standards with Premiere and ffmpeg My goal in this one is learn as much as possible to handle ...
2
votes
2answers
1k views

Does using an S-Video output via a SCART connector improve the output quality of a VCR?

This answer reports that in order not to lose quality when digitizing VHS one should use an S-Video cable. My VCR is a Sharp VC-M401SM and does not have any S-Video output nor a composite output. ...
13
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2answers
8k views

Using h264 in loseless mode brings small unexpected results

I got curious on ffmpeg screen capture capabilities and started messing around with a simple realtime capture test in h264. ffmpeg -f dshow -i video="screen-capture-recorder" -video_size 1920x1080 -...
8
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1answer
2k views

What codecs/formats are appropriate for full motion video recording for youtube?

I'm recording video game footage via lossless methods, after which I need to compress them and upload them to youtube. I'm not sure which format and/or codecs are best for this. I've been ...
7
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2answers
598 views

What video codecs can provide "adaptive quality"?

Background: I am trying to compress lossless bluray tracks to a more storage friendly size without a huge loss in quality. What I've been doing thus far: Exploring compression options with ffmpeg. ...
3
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4answers
6k views

How can I make professional video using an iPad?

I am willing to make an educational guidance video. And since I want to make it using an iPad, what things should I keep in mind? And which specific camera app will be better over the inbuilt camera ...
7
votes
1answer
562 views

What equipment do I need to be able to produce 'HD quality' videos?

For starters, please forgive me if this question is very amateurish - if they sound that way, that's because I am an amateur. I would like to start shooting some webisodes in my garage and want to ...
2
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1answer
1k views

Rendered two videos from Adobe Premiere with the same settings but different resolution and they're the same file size

I exported two videos from Adobe Premiere. Same length, same quality settings, but one was 4K (the original footage was 4k) and one was 1080p. I was trying to put these on Facebook so I was trying to ...
2
votes
3answers
2k views

Quality of VHS converted to DVD

I work for a small library. We have a collection of VHS tapes that we have recorded to DVD using a Magnavox VHS HQ DVD recorder. They came in as .ogg, They came in a a set of files including some .VOB ...
1
vote
1answer
356 views

Which measurements can I take using which programs to exploit the already low quality and save as much space as possible?

This is the best my actioncam can create. My goal is to take advantage of this low quality and save as much harddrive space as possible so visible quality remains. Which measurements can I take ...
0
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1answer
4k views

FFmpeg No such filter error

I'm trying to use FFmpeg to create a new video with some frames repeated and black frames inserted inside. Here is my command: #! /bin/sh fn="Drifting with Cars.mp4" # ffmpeg -y -i "${fn}" -ss 00:00:...
5
votes
1answer
2k views

Avconv rotating mpeg4 - video loses quality

I'm a newbie in video editing on linux and am trying to rotate a video I took with my phone using AVCONV on an Ubuntu 12.04 machine. It all seems to go honky dory except the output is losing quality. ...
4
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4answers
2k views

Video format with dynamic resolution

Are there any video formats that change resolution per frame and with different resolutions at different parts of the screen? All videos I know today they have fixed resolution. For video blogs I ...
4
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2answers
6k views

T5i video quality doesn't even match smartphone camera? Where can I improve?

A friend wanted to make some professional looking videos for a weekly vlog type of thing for his church. We went into this planning to buy a better camera and lights etc as we go. We filmed a video ...
4
votes
6answers
6k views

Does repeatedly saving a video degrade its quality?

I take a video file, let's say an mp4, and use, let's say Windows Movie Maker, to repeatedly just save it, with no edits. Every time, the software has to convert the video into a format it can edit, ...
2
votes
1answer
139 views

How to get the Cinematic look [duplicate]

With most movies, you can tell at a glance, if it is (or supposed to be) a blockbuster or not, by how the image looks. Even some American TV-series look better (in my oppinion) than most european ...
2
votes
2answers
290 views

how to burn full hd movies (1080px720p) in DVD

How can i burn or write Full HD videos like (marriage videos) in 1080px720p in regular DVD. I tried many softwares but couldn't get the job done.
1
vote
1answer
930 views

Export Frames of 10 BPC Video File with ffmpeg

I have several hundred 1080p 59.94fps 10-bit-per-channel (bpc) AVC-Intra Class 100 MXF encoded video files. I would like to extract the frames of this video file and export them to disk in a 16-bit ...
1
vote
1answer
655 views

mov to mp4 conversion produces grainy results

I am using handbrake to compress 250mb of 3d animation stored in .mov. This is how the mov looks: The compressed version has some artifacts. Like it doesn't have enough shades of grey: How can I ...
0
votes
2answers
19k views

What is causing these horizontal lines moving vertically up the whiter portions of the video?

The camera model is a Sony, remote control model, I don't have the exact model# with me but can get it if needed. I'm not sure when it started, but it's very noticeable now, the lines scrolling up ...
0
votes
0answers
458 views

Optimal ffmpeg input and settings for 1080p Youtube video from individually rendered frames (PNG files)

There may be multiple questions in here, so please bear with me ... I am experimenting with rendering animations (from scientific data / simulations). My code produces individual frames as PNGs - at ...
0
votes
1answer
776 views

Comparing PSNR/SSIM of two videos with different fps/bit-depth

I have a 720p, 30 fps, 8-bit source video. I'm downscaling it to 480p, and I want to measure quality using PSNR/SSIM under two scenarios: Keeping crf/speed settings same, I want to encode in 8-bit(...