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Access to video by frame

What is an easy-to-use technology that will give me real-time access to video frames and let me change them. I know DirectShow, but the programming model seems rather complicated. Is there an infrastructure that makes programming such a frame filter easier?

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9 answers

OK, since you asked for "easy", I have to mention HTML5 <video>. See Demo and explanation at these links:

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.

? , ?

. , DirectShow , . DirectShow.NET. , SampleGrabber DirectShow, graph.RenderFile(mymediafile, null), . , . 1 . SampleGrabber, -. (graph.RenderFile!).

, - , , . , - DirectShow;).

, Directshow IMediaDet. , . WPF, GDI.

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ffmpeg , libavcodec.

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, , , , AviSynth. , . SDK, . . script :

AviSource("C:\video.avi")
Crop(20,0,-20,0) //Crops 20px from the left and right of video 
BicubicResize(640,480) //Resize to 640x480 using bicubic filter
# increase the gamma
Levels(0, 1.2, 255, 0, 255)

, Virtualdub.

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Hy Opencv - , . , , , http://opencv.willowgarage.com/wiki/

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++ MS AviFile. , .

- DirectShow, .

AVI ( Google) :

AVIRIFF  size speed imgWidth imgHeight frameTotal imgCodec audioCodec frame size 
  FRAME
  SOUND
  FRAME 
  SOUND
0

VLC

Linux Windows, , , ..

0

API AVIFile. .

0

FFMpeg.

FFmpeg

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Source: https://habr.com/ru/post/1719631/

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