{"id":1163465,"date":"2025-01-15T14:55:28","date_gmt":"2025-01-15T06:55:28","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1163465.html"},"modified":"2025-01-15T14:55:32","modified_gmt":"2025-01-15T06:55:32","slug":"python%e5%a6%82%e4%bd%95%e6%8f%90%e5%8f%96%e8%a7%86%e9%a2%91%e7%9a%84%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1163465.html","title":{"rendered":"Python\u5982\u4f55\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25204243\/79b9c75f-ca84-4129-a7a1-d1d1736498cd.webp\" alt=\"Python\u5982\u4f55\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\" \/><\/p>\n<p><p> <strong>Python \u63d0\u53d6\u89c6\u9891\u65f6\u95f4\u7684\u65b9\u6cd5\u6709\u591a\u79cd<\/strong>\uff0c<strong>\u4f8b\u5982\u4f7f\u7528 OpenCV\u3001MoviePy\u3001FFmpeg \u7b49\u5de5\u5177\u5305<\/strong>\u3002\u5176\u4e2d\uff0c<strong>MoviePy \u662f\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u5de5\u5177\u5305<\/strong>\uff0c\u9002\u5408\u5904\u7406\u5404\u79cd\u89c6\u9891\u6587\u4ef6\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u4f7f\u7528 MoviePy \u6765\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001MOVIEPY \u7b80\u4ecb<\/h3>\n<\/p>\n<p><p>MoviePy \u662f\u4e00\u4e2a\u7528\u4e8e\u89c6\u9891\u7f16\u8f91\u7684 Python \u5e93\uff0c\u652f\u6301\u89c6\u9891\u526a\u8f91\u3001\u5408\u5e76\u3001\u7279\u6548\u3001\u5b57\u5e55\u6dfb\u52a0\u7b49\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5904\u7406\u591a\u79cd\u89c6\u9891\u683c\u5f0f\uff0c\u5e76\u4e14\u4e0e\u5176\u4ed6 Python \u5e93\uff08\u5982 NumPy\u3001Scipy\uff09\u517c\u5bb9\u3002\u901a\u8fc7 MoviePy\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u89c6\u9891\u7684\u603b\u65f6\u957f\u3001\u5e27\u7387\u4ee5\u53ca\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\u7b49\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5b89\u88c5 MOVIEPY<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 MoviePy\u3002\u53ef\u4ee5\u4f7f\u7528 pip \u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install moviepy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f00\u59cb\u4f7f\u7528 MoviePy \u6765\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\u4e86\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u63d0\u53d6\u89c6\u9891\u603b\u65f6\u957f<\/h3>\n<\/p>\n<p><p>\u83b7\u53d6\u89c6\u9891\u7684\u603b\u65f6\u957f\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\u3002\u901a\u8fc7 MoviePy\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u89c6\u9891\u7684\u603b\u65f6\u957f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from moviepy.editor import VideoFileClip<\/p>\n<p>def get_video_duration(file_path):<\/p>\n<p>    video = VideoFileClip(file_path)<\/p>\n<p>    duration = video.duration<\/p>\n<p>    return duration<\/p>\n<p>file_path = &#39;path_to_your_video.mp4&#39;<\/p>\n<p>duration = get_video_duration(file_path)<\/p>\n<p>print(f&#39;\u89c6\u9891\u603b\u65f6\u957f\uff1a{duration} \u79d2&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>VideoFileClip<\/code> \u7c7b\u6765\u52a0\u8f7d\u89c6\u9891\u6587\u4ef6\uff0c\u7136\u540e\u901a\u8fc7 <code>duration<\/code> \u5c5e\u6027\u83b7\u53d6\u89c6\u9891\u7684\u603b\u65f6\u957f\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u83b7\u53d6\u89c6\u9891\u5e27\u7387<\/h3>\n<\/p>\n<p><p>\u5e27\u7387\u662f\u6307\u89c6\u9891\u6bcf\u79d2\u64ad\u653e\u7684\u5e27\u6570\uff0c\u901a\u8fc7\u5e27\u7387\u53ef\u4ee5\u4e86\u89e3\u89c6\u9891\u7684\u64ad\u653e\u6d41\u7545\u5ea6\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 MoviePy \u83b7\u53d6\u89c6\u9891\u7684\u5e27\u7387\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def get_video_fps(file_path):<\/p>\n<p>    video = VideoFileClip(file_path)<\/p>\n<p>    fps = video.fps<\/p>\n<p>    return fps<\/p>\n<p>file_path = &#39;path_to_your_video.mp4&#39;<\/p>\n<p>fps = get_video_fps(file_path)<\/p>\n<p>print(f&#39;\u89c6\u9891\u5e27\u7387\uff1a{fps} \u5e27\/\u79d2&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7 <code>fps<\/code> \u5c5e\u6027\u83b7\u53d6\u89c6\u9891\u7684\u5e27\u7387\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u83b7\u53d6\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u83b7\u53d6\u89c6\u9891\u4e2d\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\u3002MoviePy \u63d0\u4f9b\u4e86\u83b7\u53d6\u6bcf\u4e00\u5e27\u65f6\u95f4\u6233\u7684\u529f\u80fd\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def get_frame_timestamps(file_path):<\/p>\n<p>    video = VideoFileClip(file_path)<\/p>\n<p>    timestamps = [video.time for video in video.iter_frames(with_times=True)]<\/p>\n<p>    return timestamps<\/p>\n<p>file_path = &#39;path_to_your_video.mp4&#39;<\/p>\n<p>timestamps = get_frame_timestamps(file_path)<\/p>\n<p>print(&#39;\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\uff1a&#39;, timestamps)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7 <code>iter_frames<\/code> \u65b9\u6cd5\u904d\u5386\u89c6\u9891\u7684\u6bcf\u4e00\u5e27\uff0c\u5e76\u83b7\u53d6\u76f8\u5e94\u7684\u65f6\u95f4\u6233\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u63d0\u53d6\u89c6\u9891\u7684\u5173\u952e\u5e27<\/h3>\n<\/p>\n<p><p>\u5173\u952e\u5e27\u662f\u6307\u89c6\u9891\u7f16\u7801\u8fc7\u7a0b\u4e2d\u4fdd\u5b58\u5b8c\u6574\u56fe\u50cf\u4fe1\u606f\u7684\u5e27\u3002\u63d0\u53d6\u5173\u952e\u5e27\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u89c6\u9891\u7684\u5173\u952e\u753b\u9762\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 MoviePy \u63d0\u53d6\u89c6\u9891\u5173\u952e\u5e27\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def get_keyframes(file_path):<\/p>\n<p>    video = VideoFileClip(file_path)<\/p>\n<p>    keyframes = [frame for frame in video.iter_frames(fps=video.fps, with_times=True) if frame[1] == 0]<\/p>\n<p>    return keyframes<\/p>\n<p>file_path = &#39;path_to_your_video.mp4&#39;<\/p>\n<p>keyframes = get_keyframes(file_path)<\/p>\n<p>print(&#39;\u5173\u952e\u5e27\u4fe1\u606f\uff1a&#39;, keyframes)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7 <code>iter_frames<\/code> \u65b9\u6cd5\u904d\u5386\u89c6\u9891\u7684\u6bcf\u4e00\u5e27\uff0c\u5e76\u7b5b\u9009\u51fa\u65f6\u95f4\u6233\u4e3a 0 \u7684\u5e27\u4f5c\u4e3a\u5173\u952e\u5e27\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 MoviePy \u8f7b\u677e\u5730\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\uff0c\u5305\u62ec\u89c6\u9891\u603b\u65f6\u957f\u3001\u5e27\u7387\u3001\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\u4ee5\u53ca\u5173\u952e\u5e27\u4fe1\u606f\u3002MoviePy \u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u89c6\u9891\u5904\u7406\u5de5\u5177\u5305\uff0c\u9002\u5408\u5904\u7406\u5404\u79cd\u89c6\u9891\u6587\u4ef6\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u6765\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u83b7\u53d6\u89c6\u9891\u7684\u65f6\u957f\uff1f<\/strong><br \/>\u8981\u83b7\u53d6\u89c6\u9891\u7684\u65f6\u957f\uff0c\u53ef\u4ee5\u4f7f\u7528<code>moviepy<\/code>\u6216<code>opencv<\/code>\u7b49\u5e93\u3002<code>moviepy<\/code>\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u51e0\u884c\u4ee3\u7801\u5373\u53ef\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528<code>moviepy<\/code>\u7684\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">from moviepy.editor import VideoFileClip\n\nvideo = VideoFileClip(&quot;your_video.mp4&quot;)\nduration = video.duration  # \u83b7\u53d6\u89c6\u9891\u65f6\u957f\uff0c\u5355\u4f4d\u4e3a\u79d2\nprint(f&quot;\u89c6\u9891\u65f6\u957f\u4e3a {duration} \u79d2&quot;)\n<\/code><\/pre>\n<p>\u786e\u4fdd\u5728\u8fd0\u884c\u4ee3\u7801\u4e4b\u524d\u5b89\u88c5\u4e86<code>moviepy<\/code>\u5e93\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u63d0\u53d6\u89c6\u9891\u7684\u5e27\u65f6\u95f4\u6233\uff1f<\/strong><br \/>\u63d0\u53d6\u89c6\u9891\u5e27\u7684\u65f6\u95f4\u6233\u53ef\u4ee5\u901a\u8fc7<code>opencv<\/code>\u5e93\u5b9e\u73b0\u3002\u4f60\u53ef\u4ee5\u8bfb\u53d6\u89c6\u9891\u5e76\u4ee5\u56fa\u5b9a\u7684\u5e27\u7387\u63d0\u53d6\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">import cv2\n\ncap = cv2.VideoCapture(&#39;your_video.mp4&#39;)\nfps = cap.get(cv2.CAP_PROP_FPS)  # \u83b7\u53d6\u89c6\u9891\u7684\u5e27\u7387\nframe_count = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))\n\nfor i in range(frame_count):\n    timestamp = i \/ fps  # \u8ba1\u7b97\u65f6\u95f4\u6233\n    print(f&quot;\u5e27 {i}: \u65f6\u95f4\u6233 {timestamp} \u79d2&quot;)\ncap.release()\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u8f93\u51fa\u6bcf\u4e00\u5e27\u7684\u65f6\u95f4\u6233\uff0c\u4fbf\u4e8e\u540e\u7eed\u5904\u7406\u3002<\/p>\n<p><strong>Python\u4e2d\u6709\u4ec0\u4e48\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5904\u7406\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\uff1f<\/strong><br \/>\u9664\u4e86<code>moviepy<\/code>\u548c<code>opencv<\/code>\uff0c<code>ffmpeg<\/code>\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\u3002\u4f7f\u7528<code>ffmpeg-python<\/code>\u5e93\uff0c\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528FFmpeg\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5904\u7406\u89c6\u9891\u6587\u4ef6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u63d0\u53d6\u89c6\u9891\u65f6\u957f\u7684\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">import ffmpeg\n\nprobe = ffmpeg.probe(&#39;your_video.mp4&#39;)\nduration = float(probe[&#39;format&#39;][&#39;duration&#39;])  # \u83b7\u53d6\u89c6\u9891\u65f6\u957f\nprint(f&quot;\u89c6\u9891\u65f6\u957f\u4e3a {duration} \u79d2&quot;)\n<\/code><\/pre>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u5e93\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u9700\u6c42\u7075\u6d3b\u63d0\u53d6\u89c6\u9891\u7684\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u63d0\u53d6\u89c6\u9891\u65f6\u95f4\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4f8b\u5982\u4f7f\u7528 OpenCV\u3001MoviePy\u3001FFmpeg \u7b49\u5de5\u5177\u5305\u3002\u5176\u4e2d\uff0c [&hellip;]","protected":false},"author":3,"featured_media":1163473,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163465"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1163465"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163465\/revisions"}],"predecessor-version":[{"id":1163474,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163465\/revisions\/1163474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1163473"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1163465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1163465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1163465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}