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ffmpeg -i input.mp4 -c:v libx264 -c:a aac -strict experimental output.mp4
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#include <opencv2/opencv.hpp> int main() { cv::VideoCapture cap("input.mp4"); int frameCount = cap.get(CV_CAP_PROP_FRAME_COUNT); int fps = cap.get(CV_CAP_PROP_FPS); cv::VideoWriter writer("output.mp4", CV_FOURCC('M', 'P', '4', 'V'), fps, cv::Size(cap.get(CV_CAP_PROP_FRAME_WIDTH), cap.get(CV_CAP_PROP_FRAME_HEIGHT))); for(int i=0; i<frameCount; i++) { cv::Mat frame; cap >> frame; // ÔÚÕâÀï¶ÔÊÓƵ֡¾ÙÐмô¼´¦Öóͷ£ writer.write(frame); } cap.release(); writer.release(); return 0; }
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