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chatgpt赋能python:Python字幕滚动:如何让你的视频内容更吸引人
sockstack
/
212
/
2023-11-06 23:54:40
<p><span style="color: red; font-size: 18px">ChatGPT 可用网址,仅供交流学习使用,如对您有所帮助,请收藏并推荐给需要的朋友。</span><br><a href="https://ckai.xyz/?sockstack§ion=detail" target="__blank">https://ckai.xyz</a><br><br></p> <article class="baidu_pl"><div id="article_content" class="article_content clearfix"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/kdoc_html_views-1a98987dfd.css"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/ck_htmledit_views-25cebea3f9.css"> <div id="content_views" class="markdown_views prism-atom-one-dark"> <svg xmlns="http://www.w3.org/2000/svg" style="display: none;"><path stroke-linecap="round" d="M5,0 0,2.5 5,5z" id="raphael-marker-block" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path></svg><h1> <a id="Python_1"></a>Python字幕滚动:如何让你的视频内容更吸引人</h1> <p>如果你是一位视频创作者,你可能知道如何通过字幕来增加你的视频的吸引力。Python提供了一种简单且高效的方法来制作字幕滚动。字幕滚动是指将文字逐个显示在视频下方,以帮助观众跟上视频的进展。在这篇文章中,我们将学习如何使用Python来创建字幕滚动。</p> <h2> <a id="_5"></a>什么是字幕滚动</h2> <p>字幕滚动是指将文字逐个显示在视频下方的效果。如果你看过电视新闻,你应该已经见过字幕滚动。字幕滚动最常用于显示影片或视频中的对话、台词或者文字内容。</p> <h2> <a id="Python_9"></a>Python如何实现字幕滚动</h2> <p>Python提供了一个叫做<strong>OpenCV</strong>的库,这个库可以对视频进行处理。使用OpenCV库,我们可以轻松地在视频中添加字幕滚动。</p> <h3> <a id="1OpenCV_13"></a>步骤1:安装OpenCV库</h3> <pre><code class="prism language-python">pip install opencv<span class="token operator">-</span>python </code></pre> <h3> <a id="2OpenCV_19"></a>步骤2:导入OpenCV库并读取视频</h3> <pre><code class="prism language-python"><span class="token keyword">import</span> cv2<span class="token comment"># 读取视频</span> video <span class="token operator">=</span> cv2<span class="token punctuation">.</span>VideoCapture<span class="token punctuation">(</span><span class="token string">'my_video.mp4'</span><span class="token punctuation">)</span> </code></pre> <h3> <a id="3_28"></a>步骤3:添加字幕</h3> <pre><code class="prism language-python"><span class="token keyword">from</span> PIL <span class="token keyword">import</span> ImageFont<span class="token punctuation">,</span> ImageDraw<span class="token punctuation">,</span> Image <span class="token keyword">import</span> numpy <span class="token keyword">as</span> np<span class="token comment"># 添加字幕</span> <span class="token keyword">def</span> <span class="token function">add_subtitle</span><span class="token punctuation">(</span>frame<span class="token punctuation">,</span> text<span class="token punctuation">)</span><span class="token punctuation">:</span><span class="token comment"># 设置字体和字体大小</span>font_size <span class="token operator">=</span> <span class="token number">25</span>font <span class="token operator">=</span> ImageFont<span class="token punctuation">.</span>truetype<span class="token punctuation">(</span><span class="token string">'Arial.ttf'</span><span class="token punctuation">,</span> font_size<span class="token punctuation">)</span><span class="token comment"># 创建图片</span>img_pil <span class="token operator">=</span> Image<span class="token punctuation">.</span>fromarray<span class="token punctuation">(</span>frame<span class="token punctuation">)</span><span class="token comment"># 创建画布</span>draw <span class="token operator">=</span> ImageDraw<span class="token punctuation">.</span>Draw<span class="token punctuation">(</span>img_pil<span class="token punctuation">)</span><span class="token comment"># 计算文本大小</span>text_size <span class="token operator">=</span> draw<span class="token punctuation">.</span>textsize<span class="token punctuation">(</span>text<span class="token punctuation">,</span> font<span class="token operator">=</span>font<span class="token punctuation">)</span><span class="token comment"># 计算字幕起始位置</span>x <span class="token operator">=</span> <span class="token punctuation">(</span>frame<span class="token punctuation">.</span>shape<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token operator">-</span> text_size<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">/</span> <span class="token number">2</span>y <span class="token operator">=</span> frame<span class="token punctuation">.</span>shape<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span> <span class="token operator">-</span> text_size<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span> <span class="token operator">-</span> <span class="token number">5</span><span class="token comment"># 绘制文字</span>draw<span class="token punctuation">.</span>text<span class="token punctuation">(</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span> y<span class="token punctuation">)</span><span class="token punctuation">,</span> text<span class="token punctuation">,</span> font<span class="token operator">=</span>font<span class="token punctuation">,</span> fill<span class="token operator">=</span><span class="token punctuation">(</span><span class="token number">255</span><span class="token punctuation">,</span> <span class="token number">255</span><span class="token punctuation">,</span> <span class="token number">255</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token comment"># 转换为OpenCV格式</span>frame <span class="token operator">=</span> np<span class="token punctuation">.</span>array<span class="token punctuation">(</span>img_pil<span class="token punctuation">)</span><span class="token keyword">return</span> frame </code></pre> <h3> <a id="4_62"></a>步骤4:输出视频</h3> <pre><code class="prism language-python"><span class="token comment"># 输出视频</span> out <span class="token operator">=</span> cv2<span class="token punctuation">.</span>VideoWriter<span class="token punctuation">(</span><span class="token string">'my_video_with_subtitle.mp4'</span><span class="token punctuation">,</span> cv2<span class="token punctuation">.</span>VideoWriter_fourcc<span class="token punctuation">(</span><span class="token operator">*</span><span class="token string">'mp4v'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token builtin">int</span><span class="token punctuation">(</span>video<span class="token punctuation">.</span>get<span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token builtin">int</span><span class="token punctuation">(</span>video<span class="token punctuation">.</span>get<span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token keyword">while</span><span class="token punctuation">(</span>video<span class="token punctuation">.</span>isOpened<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">:</span>ret<span class="token punctuation">,</span> frame <span class="token operator">=</span> video<span class="token punctuation">.</span>read<span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token keyword">if</span> ret <span class="token operator">==</span> <span class="token boolean">True</span><span class="token punctuation">:</span><span class="token comment"># 添加字幕</span>frame <span class="token operator">=</span> add_subtitle<span class="token punctuation">(</span>frame<span class="token punctuation">,</span> <span class="token string">'这是我的字幕'</span><span class="token punctuation">)</span><span class="token comment"># 写入视频</span>out<span class="token punctuation">.</span>write<span class="token punctuation">(</span>frame<span class="token punctuation">)</span><span class="token keyword">else</span><span class="token punctuation">:</span><span class="token keyword">break</span><span class="token comment"># 释放资源</span> video<span class="token punctuation">.</span>release<span class="token punctuation">(</span><span class="token punctuation">)</span> out<span class="token punctuation">.</span>release<span class="token punctuation">(</span><span class="token punctuation">)</span> cv2<span class="token punctuation">.</span>destroyAllWindows<span class="token punctuation">(</span><span class="token punctuation">)</span> </code></pre> <h3> <a id="_89"></a>结论</h3> <p>Python提供了一个快速、简单、高效的方法来制作字幕滚动。使用OpenCV库,你可以制作出专业的字幕效果,提高你的视频观看体验。我们希望本文对你有所帮助,如果你有任何问题或者建议,请在评论区留言。</p> <h2> <a id="_92"></a>最后的最后</h2> <p>本文由chatgpt生成,文章没有在<code>chatgpt</code>生成的基础上进行任何的修改。以上只是<code>chatgpt</code>能力的冰山一角。作为通用的<code>Aigc</code>大模型,只是展现它原本的实力。</p> <p>对于颠覆工作方式的<code>ChatGPT</code>,应该选择拥抱而不是抗拒,未来属于“会用”AI的人。</p> <p>🧡AI职场汇报智能办公文案写作效率提升教程 🧡 专注于<code>AI+职场+办公</code>方向。<br> 下图是课程的整体<strong>大纲</strong><br> <img referrerpolicy="no-referrer" src="https://img-blog.csdnimg.cn/img_convert/78ce0356e6b446195cb03713c46f99ab.png" alt="img"><br> <img referrerpolicy="no-referrer" src="https://img-blog.csdnimg.cn/4e5800c09e5f4e878560fff3990489e3.png" alt="img"><br> 下图是<code>AI职场汇报智能办公文案写作效率提升教程</code>中用到的<strong>ai工具</strong><br> <img referrerpolicy="no-referrer" src="https://img-blog.csdnimg.cn/img_convert/44de0d90e0ae0c8cf84d27ee6f9bfa15.png" alt="img"></p> <h2> <a id="___104"></a>🚀 优质教程分享 🚀</h2> <ul><li>🎄可以学习更多的关于人工只能/Python的相关内容哦!直接点击下面颜色字体就可以跳转啦!</li></ul> <table> <thead><tr> <th>学习路线指引(点击解锁)</th> <th>知识定位</th> <th>人群定位</th> </tr></thead> <tbody> <tr> <td>🧡 AI职场汇报智能办公文案写作效率提升教程 🧡</td> <td>进阶级</td> <td>本课程是AI+职场+办公的完美结合,通过ChatGPT文本创作,一键生成办公文案,结合AI智能写作,轻松搞定多场景文案写作。智能美化PPT,用AI为职场汇报加速。AI神器联动,十倍提升视频创作效率</td> </tr> <tr> <td>💛Python量化交易实战 💛</td> <td>入门级</td> <td>手把手带你打造一个易扩展、更安全、效率更高的量化交易系统</td> </tr> <tr> <td>🧡 Python实战微信订餐小程序 🧡</td> <td>进阶级</td> <td>本课程是python flask+微信小程序的完美结合,从项目搭建到腾讯云部署上线,打造一个全栈订餐系统。</td> </tr> </tbody> </table> </div> <link href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/markdown_views-98b95bb57c.css" rel="stylesheet"> <link href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/style-c216769e99.css" rel="stylesheet"> </div> <div id="treeSkill"></div> </article>
chatgpt赋能python:Python字幕滚动:如何让你的视频内容更吸引人
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sockstack
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2023-11-06
修改于
2025-01-09
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