Questions tagged [video-compression]

130 questions
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What are the steps needed to convert a video to a Gif in Python?

I have a project that involves creating a program that converts a video into a gif. Sounds simple enough if I use OpenCV but I need to organize the bitstream of the gif file myself. I Googled around and I can't find any resources that outline the…
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Adjust Video Quality 360,720 etc

By Using video URL's I'm playing video's in my app, now in addition I need to implement Adjust Video Quality feature because as per App requirement if there is slow internet so there would be a Quality selection options like Youtube.(144,260,320,720…
Gurpreet
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How to get the HEVC test video sequences?

I need the HEVC test video sequences, namely Traffic, PeopleOnStreet, Nebuta, SteamLocomotive, Kimono, ParkScene, Cactus, BasketBallDrive etc mentioned in Common Conditions and Software Reference Configuration’s document JCT-VCL1100. I need these…
S. Kahu
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What is YUVrecon video produced by HEVC encoder?

What is YUVrecon video file produced by HEVC encoder along with .HEVC file at the end? Someone told me: HEVC file is produced by HEVC encoder. HEVC decoder is also working and YUV recon is decoded result of .HEVC file. And another friend told…
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Video Compression without MediaCodec

How to lower the quality of video before uploading to server like UIIMagePickerController video quality in iOS?I have tried MediaCodec but it is taking long time. Please help.
BMM
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FFmpeg: What re-encoding settings can be used to achieve results similar to Google Drive's video processing?

Context: I have a large collection of videos recorded by my phone's camera, which is taking up a significant amount of space. Recently, I noticed that when I uploaded a video to Google Drive and then downloaded it again using IDM (by clicking on the…
Mycroft_47
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What is the problem with this python 3 script

I made a script for compressing videos import ffmpeg import subprocess result = subprocess.run("C:\\ffmpeg\\bin\\ffmpeg.exe"['ffmpeg -i output.mp4 -b 800k output.mp4']) print(result) When I run this an error will come like this- result =…
user14475704
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Video compression usging FFmpeg not working on android 10

I am trying to compress the videos in android programmatically using this library https://github.com/jczmdeveloper/XCVideoCompressor It's working fine till android 9, but on android 10 it's giving error Please help me with video compression in…
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How YUV reconstructed file is produced in open source x.265 encoder?

As x.265 encoder produces reconstructed yuv video file after decoding and I know, in open source x.265 encoder you input raw yuv video and it generates HEVC file for you along with reconstructed YUV file. My question is, can I input HEVC file…
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How to record video with exact frames timestamp in c++

I would like to record frames from a camera in c++. The camera frame-rate is not constant, and I need to store each image with its timestamp (I am using OS clock, and storing the image milliseconds precision). I have already stored the captured…
taihu
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