推头是什么意思
Tagged with video-quality video-editor
35 questions
1
vote
2
answers
230
views
Convert Anamorphic Pixels to Square Ones and Preserve Displayed Image Size
Given a video with anamorphic pixel aspect ratio (see the screenshot from HandBrake).
What I need is to stretch the images stored in the video stream (in other words, to convert the video to 1:1 ...
- 121
1
vote
0
answers
30
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 ...
- 111
0
votes
1
answer
279
views
Export DCP from Adobe premier pro
Hey guys I’m struggling to export feature film 2hour 20 min long DCP from premier pro.
1.I already exported 422 Hq.
2.Made separate project with new sq.
3.Using Adobe encoder as well.
4.Every time my ...
- 1
0
votes
1
answer
332
views
How does scaling work in ffmpeg?
I am new to FFmpeg. I just want to know how I could keep the original scale of the video. The original size of the video is that its frame width is 1820 while its frame height is 720. The original ...
2
votes
1
answer
57
views
Making a YouTube video from powerpoint presentation file with embedded audio file
I have a power point type file (.odp in ubuntu linux) with embedded audio file in it for presentation. How can I make a good quality YouTube video from that? I have used kazam screen recorder for that....
3
votes
1
answer
465
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 ...
- 31
1
vote
1
answer
662
views
Standard way for handling different resolutions when concatenating videos
I am building a small tool to take the short videos I record from different devices (e.g. iPhone, camcorder, etc), and concatenate them together chronologically. Everything is working up to the point ...
- 111
1
vote
1
answer
86
views
How to make scenes look continuous?
So I shoot scenes with my cellphone (whether FHD or UHD). But other scenes I take them from clips I find online in a subscription service. If I try to make the video of contiguous scenes combining ...
- 25
1
vote
2
answers
949
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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 ...
- 111
1
vote
1
answer
242
views
Video with lower bitrate resulting from joining two video files
I had a 595mb .MP4 video (data rate: 510 kbps, Total bitrate 638 kbps). And I joined it with another .MP4 youtube video with a lower quality(only the end part).. The resulting video file has a data ...
- 13
1
vote
1
answer
733
views
Exported Lossless Video - Output File Was Lossy
I recorded some video-game footage in 320x200 and then upscaled it to 1920x1440 using ffmpeg (nearest-neighbor, lossless libx264).
Screenshots of the upscaled footage have pixel-perfect color ...
- 11
0
votes
1
answer
48
views
Objective video quality assessment
I'm trying to develop a tool that given a video (without a reference video), it can measure the quality. Basically given some thresholds, it assigns them a rating (I just need 4 classes 1-4). Since we ...
- 353
2
votes
1
answer
7k
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:...
- 353
3
votes
1
answer
574
views
How to fix video shot vertically on a smartphone?
I recently committed the crime of shooting video vertically, and now when played anywhere except on my phone the video renders sideways. What is the best method to rotate it (using PC software), ...
- 215
2
votes
1
answer
203
views
How can I export 1920X1080 to 320X240 without losing quality?
I have created a mo graph video using After Effects and Premier in HD 1920X1080. The client wants a much smaller version in 320x240 but every time I render out the smaller version pixilates.
Is ...
- 21