Hi, all: Actually, I've got 2 naive questions:
1) Is libav able to replace ffmpeg (avcodec + avformat) ? 2) How to use libav command (avconv or some other commands?) to analyse an arbitray video files? 3) It's convenient for me to encode a video file from multiple .jpg files, for example: [code]$ ffmpeg -i %3d.jpg video.mpg[/code] However, how can I use ffmpeg command (or other commands) to analyse how many frames in such a .mpg file? It may have something to do with how I encode (for example, the framerate, etc.), right? But, the default encoding shouldn't change the number of frames in such a encoded .mpg file, right? Anyway, can anybody please help how I can analyse a video file ---- how many frames (better, both audio and video streams) in such a video file? Best Regards -- Pei JIA Email: [email protected] cell: +1 604-362-5816 Welcome to Vision Open http://www.visionopen.com
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