{"id":124,"date":"2021-05-31T23:56:55","date_gmt":"2021-05-31T15:56:55","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=124"},"modified":"2021-05-31T23:56:58","modified_gmt":"2021-05-31T15:56:58","slug":"ffmpeg%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=124","title":{"rendered":"FFmpeg\u7f16\u7a0b"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2cb6d4c9d41\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2cb6d4c9d41\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#ffmpeg%E7%BC%96%E7%A8%8B%E5%AD%A6%E4%B9%A0\" >ffmpeg\u7f16\u7a0b\u5b66\u4e60<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#1An_ffmpeg_and_SDL_Tutorial\" >1.An ffmpeg and SDL Tutorial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#2https_githubcomleandromoreiraffmpeg-libav-tutorial\" >2.https:\/\/github.com\/leandromoreira\/ffmpeg-libav-tutorial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#3nvidia%E8%BD%AC%E7%A0%81%E5%8D%A1%E7%9A%84%E4%BD%BF%E7%94%A8\" >3.nvidia\u8f6c\u7801\u5361\u7684\u4f7f\u7528<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#%E9%80%89%E9%A1%B9\" >\u9009\u9879<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#%E9%97%AE%E9%A2%98\" >\u95ee\u9898<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=124\/#%E8%B5%84%E6%96%99\" >\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ffmpeg%E7%BC%96%E7%A8%8B%E5%AD%A6%E4%B9%A0\"><\/span>ffmpeg\u7f16\u7a0b\u5b66\u4e60<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1An_ffmpeg_and_SDL_Tutorial\"><\/span>1.<a href=\"http:\/\/dranger.com\/ffmpeg\/ffmpeg.html\">An ffmpeg and SDL Tutorial<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5c11\u91cf\u7684\u4ee3\u7801\u5b9e\u73b0\u4e00\u4e2a\u64ad\u653e\u5668<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.cnblogs.com\/schips\/p\/12197116.html\">\u65b0\u65e7FFmpeg\u63a5\u53e3\u5bf9\u7167\u8868<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2https_githubcomleandromoreiraffmpeg-libav-tutorial\"><\/span>2.https:\/\/github.com\/leandromoreira\/ffmpeg-libav-tutorial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u66f4\u65b0\u7684ffmpeg libav tutorial<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3nvidia%E8%BD%AC%E7%A0%81%E5%8D%A1%E7%9A%84%E4%BD%BF%E7%94%A8\"><\/span>3.nvidia\u8f6c\u7801\u5361\u7684\u4f7f\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%80%89%E9%A1%B9\"><\/span>\u9009\u9879<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\"><li><code>-g<\/code>\u8bbe\u7f6egopsize<\/li><li><code>-r<\/code>\u8bbe\u7f6eframerate<br><code>-r<\/code>\u53ef\u4ee5\u4f5c\u7528\u4e8e\u8f93\u5165\u4e5f\u53ef\u4ee5\u4f5c\u7528\u4e8e\u8f93\u51fa\uff0c\u4f5c\u7528\u4e8e\u8f93\u51fa\u65f6\u662f\u5728\u6240\u6709filter\u4e4b\u540e\u7f16\u7801\u4e4b\u524d\u8d77\u4f5c\u7528\u7684\uff1b<\/li><li><code>-vf \"fps=fps=30\"<\/code>\u901a\u8fc7filter\u8bbe\u7f6e\u5e27\u7387\uff0c\u4e0d\u80fd\u548ccomplex_filter\u540c\u65f6\u4f7f\u7528<\/li><li><code>fps<\/code>\u4e0e<code>-r<\/code>\u7684<a href=\"https:\/\/trac.ffmpeg.org\/wiki\/ChangingFrameRate\">\u533a\u522b<\/a><\/li><li><code>framerate<\/code>\u7528\u4e8e\u5b9a\u4e49\u8f93\u5165\u6587\u4ef6\u7684fps<br>https:\/\/stackoverflow.com\/questions\/51143100\/framerate-vs-r-vs-filter-fps<\/li><li>\u8bbe\u7f6e\u6c34\u5370\u3001\u80cc\u666f\u56fe<br><code>ffmpeg -i background.png -i video.mp4 -filter_complex \"[1:v]colorkey=0x3BBD1E:0.3:0.2[ckout];[0:v][ckout]overlay[out]\" -map \"[out]\" output.flv<\/code><br>\u53ea\u9700\u8981\u5c06\u56fe\u7247\u4f5c\u4e3a\u4e00\u4e2a\u8f93\u5165\uff0c\u5e94\u7528overlay\u5c31\u53ef\u4ee5\u4e86<\/li><\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%97%AE%E9%A2%98\"><\/span>\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fd0\u884c\u786c\u7f16ffmpeg\u7684\u65f6\u5019\u8bf4<a href=\"https:\/\/forums.developer.nvidia.com\/t\/ffmpeg-nvenc-issue-driver-does-not-support-the-required-nvenc-api-version-required-9-1-found-9-0\/109348\">nvenc API version\u4e0d\u5339\u914d<\/a>\uff0c\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f\u7f16\u8bd1ffmpeg\u4e4b\u524d\u5b89\u88c5nv-codec-headers\u7684\u65f6\u5019\u8981\u5148\u628anv-codec-headers checkout\u5230\u5408\u9002\u7684\u7248\u672c\uff0c\u7136\u540e\u518d\u5b89\u88c5nv-codec-headers\u548c\u7f16\u8bd1ffmpeg<\/li><\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%B5%84%E6%96%99\"><\/span>\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/developer.nvidia.com\/blog\/nvidia-ffmpeg-transcoding-guide\/\">nvidia\u5b98\u65b9\u7684ffmpeg\u8f6c\u7801\u6559\u7a0b<\/a><\/li><li><a href=\"https:\/\/trac.ffmpeg.org\/wiki\/HWAccelIntro\">ffmpeg\u786c\u4ef6\u52a0\u901f\u6307\u5357<\/a><\/li><li><a href=\"https:\/\/docs.nvidia.com\/video-technologies\/video-codec-sdk\/ffmpeg-with-nvidia-gpu\/\">nvidia\u5b98\u65b9ffmpeg\u52a0\u901f\u6307\u5357<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ffmpeg\u7f16\u7a0b\u5b66\u4e60 1.An ffmpeg and SDL Tutorial \u901a\u8fc7\u5c11\u91cf\u7684\u4ee3\u7801\u5b9e\u73b0\u4e00\u4e2a\u64ad\u653e\u5668 \u65b0\u65e7FFmpeg\u63a5\u53e3\u5bf9\u7167\u8868 2.https:\/\/github.com\/leandromor&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[19],"class_list":["post-124","post","type-post","status-publish","format-standard","hentry","category-10","tag-ffmpeg"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124"}],"version-history":[{"count":1,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions"}],"predecessor-version":[{"id":125,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions\/125"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}