33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
import cv2
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def merge_video(video_input_path0, video_input_path1, video_output_path):
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"""
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将两个视频文件安装水平方向合并
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"""
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input_video_cap0 = cv2.VideoCapture(video_input_path0)
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input_video_cap1 = cv2.VideoCapture(video_input_path1)
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fps = input_video_cap1.get(cv2.CAP_PROP_FPS)
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size = (int(input_video_cap1.get(cv2.CAP_PROP_FRAME_WIDTH)), int(input_video_cap1.get(cv2.CAP_PROP_FRAME_HEIGHT)) * 2)
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video_writer = cv2.VideoWriter(video_output_path, cv2.VideoWriter_fourcc(*'mp4v'), fps, size)
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while True:
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ret0, frame0 = input_video_cap0.read()
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ret1, frame1 = input_video_cap1.read()
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if not ret1 and not ret0:
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break
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else:
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show = cv2.vconcat([frame0, frame1])
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video_writer.write(show)
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video_writer.release()
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if __name__ == '__main__':
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v0_path = '../../test/test4.mp4'
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v1_path = '../../test/test4_no_sub.mp4'
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video_out_path = '../../test/demo.mp4'
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merge_video(v0_path, v1_path, video_out_path)
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# ffmpeg 命令 mp4转gif
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# ffmpeg -i demo3.mp4 -vf "scale=w=720:h=-1,fps=15,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -loop 0 -r 15 -f gif output.gif
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# 宽度固定400，高度成比例：
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# ffmpeg - i input.avi -vf scale=400:-2
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