video-editing

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ScreenFlow: select an area to capture or crop the video, how?

I\'m trying to use ScreenFlow (together with SimFinger) to make an 开发者_如何学JAVAiPhone Simulator video.[详细]

2023-04-03 07:29 分类：问答
how to convert m4v to image sequence?

I am trying to extract frames from m4v files compressed with H264. I am studying the compression artifacts generated by h264 so I actually need the exact frames (re-encoding is not an option). I know[详细]

2023-03-20 00:36 分类：问答
Avisynth like NonLinear Editor for Linux

In my Red5 application, I need a tool that can tak开发者_开发技巧e 4 video streams and merge them into one bigger video in a 2x2 grid (like security camera videos). Avisynth’s script seem easy to use[详细]

2023-03-14 11:38 分类：问答
Cyberlink PowerDirector 9 - Importing mov files in the timeline removes audio?

I\'m trying to trim a few mov files using PowerDirector. When I drag them into the timeline, no audio track shows; when I click play no sound is heard. However the f开发者_如何转开发iles do have sound[详细]

2023-03-07 09:37 分类：问答
iOS Video Editing - Is it possible to merge (side by side not one after other) two video files into one using iOS 4 AVFoundation classes?

I know you could merge multiple clips and create a single video by appending one after otherusing AVFoundation classes- AVURLAsset, AVMutableComposition, AVMutableCompositionTrack etc.[详细]

2023-02-27 20:28 分类：问答
What are the current options for basic web-based video editing?

I\'m wondering what options exist as of April 2011 for allowing a user to, having uploaded a piece of video to our server:[详细]

2023-02-24 04:22 分类：问答
Video editing with python or command line

I need to perform the following operations in my python+django project: joining videos with same size and bitrate[详细]

2023-02-06 23:55 分类：问答
Edit a video to embed a bitmap

I would like to edit a video so that i can embed a small bitmap image at any corner. The bitmap image has to be replaced with another image, for every two video frames.[详细]

2023-02-01 09:35 分类：问答
gstreamer command to compose (pip) two videos

What command should I execute in gstreamer in order to compose two 320x240 videos into a single 640x240 side-by-开发者_如何学Goside video?[详细]

2023-01-20 11:46 分类：问答
Server-side video editing

This is what I need to do on a server. Let\'s say that I have 3 video files: video1.avi 2 minutes -> 640x320[详细]

2023-01-20 10:31 分类：问答