[Libav-user] Getting the size of video frames

[Rouhi Amirhossein2]

Hi
I have a list of videos. how can i run a program, like ffmpeg (or any other
program ) in a for loop to just get the size of the video frames ? like:

for(i=0;i<MaxVideoNum;i++){

  FrameSize[i]  =system(ffmpeg_path); //!!!?????

}
Cheers
Amir
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