{"id":1915,"date":"2025-03-24T08:49:37","date_gmt":"2025-03-23T23:49:37","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1915"},"modified":"2025-03-24T08:49:37","modified_gmt":"2025-03-23T23:49:37","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e8%a7%a3%e8%aa%ac%e3%80%91directshow%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%e3%82%ac%e3%82%a4%e3%83%892024-%e7%8f%be%e5%bd%b9%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1915","title":{"rendered":"\u3010\u5b8c\u5168\u89e3\u8aac\u3011DirectShow\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c92024 &#8211; \u73fe\u5f79\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6559\u3048\u308b\u5b9f\u88c5\u306e\u30b3\u30c4\u3068\u6700\u65b0\u6d3b\u7528\u6cd5"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">DirectShow\u3068\u306f\u4f55\u304b \u2013 \u73fe\u4ee3\u306eWindows\u958b\u767a\u306b\u304a\u3051\u308b\u4f4d\u7f6e\u3065\u3051<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u958b\u767a\u306e\u6b74\u53f2\u306b\u304a\u3051\u308bDirectShow\u306e\u5f79\u5272<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u73fe\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067DirectShow\u304c\u9078\u3070\u308c\u308b\u7406\u7531<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">DirectShow\u306e\u57fa\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5fb9\u5e95\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u6982\u5ff5\u3068\u91cd\u8981\u6027<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30d4\u30f3\u3068\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u8a73\u7d30\u306a\u7406\u89e3<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">COM\u6280\u8853\u3068\u306e\u95a2\u4fc2\u6027\u3068\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u5b9f\u8df5\u7684DirectShow\u958b\u767a\u30ac\u30a4\u30c9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-11\">\u57fa\u672c\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u69cb\u7bc9\u624b\u9806<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-17\">DirectShow\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-18\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30ea\u30bd\u30fc\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li>        <a href=\"#i-21\">\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u52b9\u7387\u5316\u3068\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-24\">\u5927\u898f\u6a21\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u78ba\u4fdd<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-27\">\u73fe\u4ee3\u7684\u306a\u4ee3\u66ff\u6280\u8853\u3068\u306e\u6bd4\u8f03\u3068\u79fb\u884c\u6226\u7565<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-28\">Media Foundation\u3068DirectShow\u306e\u6280\u8853\u6bd4\u8f03<\/a>      <\/li>      <li>        <a href=\"#i-30\">\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u6bb5\u968e\u7684\u306a\u79fb\u884c\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-33\">\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308b\u6700\u9069\u306a\u6280\u8853\u9078\u629e<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-36\">DirectShow\u306e\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-37\">\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u89e3\u6c7a\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>      <li>        <a href=\"#i-40\">\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u306e\u52b9\u679c\u7684\u306a\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-43\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u306e\u8a3a\u65ad\u3068\u89e3\u6c7a<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">DirectShow\u3068\u306f\u4f55\u304b \u2013 \u73fe\u4ee3\u306eWindows\u958b\u767a\u306b\u304a\u3051\u308b\u4f4d\u7f6e\u3065\u3051<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u958b\u767a\u306e\u6b74\u53f2\u306b\u304a\u3051\u308bDirectShow\u306e\u5f79\u5272<\/h3>\n\n\n\n<p>DirectShow\u306f\u3001Microsoft\u304c\u958b\u767a\u3057\u305fWindows\u5411\u3051\u306e\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u30011995\u5e74\u306bVideo for Windows\u306e\u5f8c\u7d99\u3068\u3057\u3066\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u5f53\u521d\u306fQuartz\uff08\u30af\u30a9\u30fc\u30c4\uff09\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u5f8c\u306bDirectShow\u3068\u3044\u3046\u540d\u79f0\u306b\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>DirectShow\u306e\u4e3b\u306a\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-ba97e61e-db37-4028-b0bc-583407c47d43\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u30d5\u30a3\u30eb\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/td><td>\u30e1\u30c7\u30a3\u30a2\u51e6\u7406\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3057\u3001\u67d4\u8edf\u306a\u62e1\u5f35\u6027\u3092\u5b9f\u73fe<\/td><\/tr><tr><td>COM\u30d9\u30fc\u30b9\u5b9f\u88c5<\/td><td>Windows\u6a19\u6e96\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30e2\u30c7\u30eb\u3092\u63a1\u7528\u3057\u3001\u8a00\u8a9e\u975e\u4f9d\u5b58\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u78ba\u4fdd<\/td><\/tr><tr><td>\u81ea\u52d5\u5316\u30b0\u30e9\u30d5\u30d3\u30eb\u30c9<\/td><td>\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306b\u57fa\u3065\u3044\u3066\u9069\u5207\u306a\u30d5\u30a3\u30eb\u30bf\u3092\u81ea\u52d5\u7684\u306b\u63a5\u7d9a<\/td><\/tr><tr><td>\u8c4a\u5bcc\u306a\u65e2\u5b58\u30d5\u30a3\u30eb\u30bf<\/td><td>\u6a19\u6e96\u642d\u8f09\u306e\u591a\u69d8\u306a\u30d5\u30a3\u30eb\u30bf\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u308a\u3001\u57fa\u672c\u7684\u306a\u51e6\u7406\u3092\u5bb9\u6613\u306b\u5b9f\u88c5\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u73fe\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067DirectShow\u304c\u9078\u3070\u308c\u308b\u7406\u7531<\/h3>\n\n\n\n<p>2024\u5e74\u73fe\u5728\u3001Media Foundation\u306a\u3069\u306e\u65b0\u3057\u3044\u6280\u8853\u304c\u767b\u5834\u3057\u3066\u3044\u307e\u3059\u304c\u3001DirectShow\u306f\u4f9d\u7136\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u7406\u7531\u3067\u9078\u629e\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u4e92\u63db\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u904e\u53bb\u306b\u958b\u767a\u3055\u308c\u305f\u591a\u304f\u306e\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cDirectShow\u30d9\u30fc\u30b9<\/li>\n\n\n\n<li>\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u6bb5\u968e\u7684\u306a\u79fb\u884c\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8c4a\u5bcc\u306a\u958b\u767a\u30ea\u30bd\u30fc\u30b9\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   \/\/ \u57fa\u672c\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u4f5c\u6210\u4f8b\n   IGraphBuilder *pGraph = NULL;\n   IMediaControl *pControl = NULL;\n   IMediaEvent   *pEvent = NULL;\n\n   \/\/ COM\u306e\u521d\u671f\u5316\n   HRESULT hr = CoInitialize(NULL);\n   if (SUCCEEDED(hr)) {\n       \/\/ \u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u30de\u30cd\u30fc\u30b8\u30e3\u306e\u4f5c\u6210\n       hr = CoCreateInstance(CLSID_FilterGraph, NULL,\n           CLSCTX_INPROC_SERVER, IID_IGraphBuilder,\n           (void **)&amp;pGraph);\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30d5\u30a3\u30eb\u30bf\u306e\u8c4a\u5bcc\u306a\u5b9f\u7e3e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ab\u30e1\u30e9\u3084\u30ad\u30e3\u30d7\u30c1\u30e3\u30c7\u30d0\u30a4\u30b9\u306a\u3069\u3001\u591a\u304f\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304cDirectShow\u30c9\u30e9\u30a4\u30d0\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li>\u5c02\u9580\u7684\u306a\u7528\u9014\u5411\u3051\u306e\u9ad8\u54c1\u8cea\u306a\u30d5\u30a3\u30eb\u30bf\u304c\u591a\u6570\u5b58\u5728<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9577\u5e74\u306e\u5b9f\u7e3e\u306b\u3088\u308b\u5b89\u5b9a\u6027\u306e\u5b9f\u8a3c<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u3055\u308c\u305f\u51e6\u7406\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30e1\u30c7\u30a3\u30a2\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u958b\u767a\u306e\u67d4\u8edf\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DirectShow\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u57fa\u306b\u3057\u305f\u985e\u4f3c\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5b58\u5728<\/li>\n\n\n\n<li>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u306e\u79fb\u690d\u6027\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p>\u73fe\u4ee3\u306eWindows\u958b\u767a\u306b\u304a\u3044\u3066\u3001DirectShow\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u3067\u7279\u306b\u91cd\u8981\u306a\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u76e3\u8996\u30ab\u30e1\u30e9\u30b7\u30b9\u30c6\u30e0<\/strong>\uff1a\u8907\u6570\u306e\u30d3\u30c7\u30aa\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u540c\u6642\u51e6\u7406\u3068\u9332\u753b<\/li>\n\n\n\n<li><strong>\u533b\u7642\u753b\u50cf\u51e6\u7406<\/strong>\uff1a\u7279\u6b8a\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3084\u9ad8\u89e3\u50cf\u5ea6\u753b\u50cf\u306e\u51e6\u7406<\/li>\n\n\n\n<li><strong>\u653e\u9001\u30b7\u30b9\u30c6\u30e0<\/strong>\uff1a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30d3\u30c7\u30aa\u30ad\u30e3\u30d7\u30c1\u30e3\u3068\u51e6\u7406<\/li>\n\n\n\n<li><strong>\u30d3\u30c7\u30aa\u4f1a\u8b70\u30b7\u30b9\u30c6\u30e0<\/strong>\uff1a\u30ab\u30e1\u30e9\u5236\u5fa1\u3068\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u7528\u9014\u3067\u306f\u3001DirectShow\u306e\u6210\u719f\u3057\u305f\u6280\u8853\u57fa\u76e4\u3068\u8c4a\u5bcc\u306a\u5b9f\u88c5\u4f8b\u304c\u3001\u958b\u767a\u30ea\u30b9\u30af\u306e\u4f4e\u6e1b\u3068\u958b\u767a\u671f\u9593\u306e\u77ed\u7e2e\u306b\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001DirectShow\u306f\u73fe\u4ee3\u306eWindows\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u7279\u306b\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u5b88\u3084\u7279\u6b8a\u306a\u8981\u4ef6\u3092\u6301\u3064\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u57fa\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">DirectShow\u306e\u57fa\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5fb9\u5e95\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u6982\u5ff5\u3068\u91cd\u8981\u6027<\/h3>\n\n\n\n<p>DirectShow\u306e\u4e2d\u6838\u3068\u306a\u308b\u306e\u304c\u300c\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u300d\u3068\u3044\u3046\u6982\u5ff5\u3067\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306f\u3001\u500b\u3005\u306e\u30e1\u30c7\u30a3\u30a2\u51e6\u7406\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u30d5\u30a3\u30eb\u30bf\uff09\u3092\u63a5\u7d9a\u3057\u3066\u5f62\u6210\u3055\u308c\u308b\u51e6\u7406\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d5\u30a3\u30eb\u30bf\u306f\u4ee5\u4e0b\u306e3\u3064\u306e\u57fa\u672c\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u5206\u985e\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n<div id=\"id-bd1504e6-f610-4980-bfc2-803c8db57547\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d5\u30a3\u30eb\u30bf\u7a2e\u5225<\/th><th>\u5f79\u5272<\/th><th>\u4ee3\u8868\u7684\u306a\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>Source Filter<\/td><td>\u30e1\u30c7\u30a3\u30a2\u30c7\u30fc\u30bf\u306e\u5165\u529b<\/td><td>File Source, Video Capture Source<\/td><\/tr><tr><td>Transform Filter<\/td><td>\u30c7\u30fc\u30bf\u306e\u5909\u63db\u30fb\u51e6\u7406<\/td><td>Video Decoder, Audio Effects<\/td><\/tr><tr><td>Rendering Filter<\/td><td>\u51fa\u529b\u306e\u62c5\u5f53<\/td><td>Video Renderer, Audio Renderer<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u57fa\u672c\u69cb\u7bc9\u4f8b\nHRESULT CreateBasicGraph() {\n    IGraphBuilder *pGraph = NULL;\n    IMediaControl *pControl = NULL;\n\n    \/\/ \u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u30de\u30cd\u30fc\u30b8\u30e3\u306e\u4f5c\u6210\n    HRESULT hr = CoCreateInstance(CLSID_FilterGraph, NULL,\n        CLSCTX_INPROC_SERVER, IID_IGraphBuilder,\n        (void **)&amp;pGraph);\n    if (FAILED(hr)) return hr;\n\n    \/\/ \u30bd\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u306e\u8ffd\u52a0\n    IBaseFilter *pSource = NULL;\n    hr = pGraph-&gt;AddSourceFilter(\n        L\"sample.mp4\",     \/\/ \u30d5\u30a1\u30a4\u30eb\u540d\n        L\"Source Filter\",  \/\/ \u30d5\u30a3\u30eb\u30bf\u540d\n        &amp;pSource);         \/\/ \u30d5\u30a3\u30eb\u30bf\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\n\n    \/\/ \u4ee5\u964d\u3001\u5fc5\u8981\u306a\u30d5\u30a3\u30eb\u30bf\u3092\u8ffd\u52a0\u3057\u63a5\u7d9a\n    return hr;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30d4\u30f3\u3068\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u8a73\u7d30\u306a\u7406\u89e3<\/h3>\n\n\n\n<p>\u30d5\u30a3\u30eb\u30bf\u9593\u306e\u63a5\u7d9a\u70b9\u3068\u306a\u308b\u306e\u304c\u300c\u30d4\u30f3\u300d\u3067\u3059\u3002\u5404\u30d5\u30a3\u30eb\u30bf\u306f\u5165\u529b\u30d4\u30f3\uff08Input Pin\uff09\u3068\u51fa\u529b\u30d4\u30f3\uff08Output Pin\uff09\u3092\u6301\u3061\u3001\u3053\u308c\u3089\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u304c\u4f1d\u9001\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d4\u30f3\u306e\u91cd\u8981\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u8a2d\u5b9a\u4f8b\nAM_MEDIA_TYPE mt;\nZeroMemory(&amp;mt, sizeof(mt));\nmt.majortype = MEDIATYPE_Video;\nmt.subtype = MEDIASUBTYPE_RGB24;\nmt.formattype = FORMAT_VideoInfo;\n\n\/\/ \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u8a73\u7d30\u8a2d\u5b9a\nVIDEOINFOHEADER vih;\nZeroMemory(&amp;vih, sizeof(vih));\nvih.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);\nvih.bmiHeader.biWidth = 1920;\nvih.bmiHeader.biHeight = 1080;\nvih.bmiHeader.biPlanes = 1;\nvih.bmiHeader.biBitCount = 24;\n\nmt.pbFormat = (BYTE*)&amp;vih;\nmt.cbFormat = sizeof(VIDEOINFOHEADER);<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d0\u30c3\u30d5\u30a1\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30c7\u30a3\u30a2\u30b5\u30f3\u30d7\u30eb\u306e\u52b9\u7387\u7684\u306a\u53d7\u3051\u6e21\u3057<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30b9\u30ec\u30c3\u30c9\u540c\u671f\u306e\u5236\u5fa1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">COM\u6280\u8853\u3068\u306e\u95a2\u4fc2\u6027\u3068\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>DirectShow\u306fCOM\uff08Component Object Model\uff09\u3092\u30d9\u30fc\u30b9\u306b\u69cb\u7bc9\u3055\u308c\u3066\u304a\u308a\u3001\u4ee5\u4e0b\u306e\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u672c\u7684\u306aCOM\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5229\u7528\u4f8b\nclass CMyFilter : public IBaseFilter, public CUnknown {\npublic:\n    \/\/ IUnknown\u30e1\u30bd\u30c3\u30c9\n    STDMETHODIMP QueryInterface(REFIID riid, void **ppv) {\n        return GetOwner()-&gt;QueryInterface(riid, ppv);\n    }\n\n    \/\/ IBaseFilter\u30e1\u30bd\u30c3\u30c9\n    STDMETHODIMP Stop() {\n        CAutoLock cObjectLock(m_pLock);\n        m_State = State_Stopped;\n        return S_OK;\n    }\n\n    \/\/ \u305d\u306e\u4ed6\u306e\u5b9f\u88c5...\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u3068\u30b7\u30f3\u30af\u30ed\u30ca\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3088\u308b\u540c\u671f\u5236\u5fa1<\/li>\n\n\n\n<li>\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u306e\u9069\u5207\u306a\u7ba1\u7406<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ HRESULT\u3092\u4f7f\u7528\u3057\u305f\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u4f8b\nHRESULT ProcessMediaSample(IMediaSample *pSample) {\n    if (!pSample) return E_POINTER;\n\n    BYTE *pData = NULL;\n    HRESULT hr = pSample-&gt;GetPointer(&amp;pData);\n    if (FAILED(hr)) {\n        \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u8a18\u9332\n        return hr;\n    }\n\n    \/\/ \u30c7\u30fc\u30bf\u51e6\u7406...\n    return S_OK;\n}<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>COM\u306e\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u6d3b\u7528<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30ea\u30bd\u30fc\u30b9\u89e3\u653e<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d5\u30a3\u30eb\u30bf\u306e\u72b6\u614b\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stopped\u3001Paused\u3001Running\u306e\u9069\u5207\u306a\u9077\u79fb<\/li>\n\n\n\n<li>\u5404\u72b6\u614b\u306b\u304a\u3051\u308b\u51e6\u7406\u306e\u660e\u78ba\u306a\u5b9a\u7fa9<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b0\u30e9\u30d5\u69cb\u7bc9\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30d5\u30a3\u30eb\u30bf\u69cb\u6210<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306a\u30d4\u30f3\u63a5\u7d9a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30ec\u30fc\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GraphEdit\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30ed\u30b0\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306aDirectShow\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u958b\u767a\u624b\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u5b9f\u8df5\u7684DirectShow\u958b\u767a\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>DirectShow\u958b\u767a\u3092\u59cb\u3081\u308b\u305f\u3081\u306e\u74b0\u5883\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u624b\u9806\u3068\u63a8\u5968\u8a2d\u5b9a\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-9\">1. \u5fc5\u8981\u306a\u30c4\u30fc\u30eb\u3068SDK<\/h4>\n\n\n<div id=\"id-f44847e5-b6e2-4425-b667-03063698080f\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c4\u30fc\u30eb\/SDK<\/th><th>\u76ee\u7684<\/th><th>\u5165\u624b\u5148<\/th><\/tr><\/thead><tbody><tr><td>Visual Studio<\/td><td>\u958b\u767a\u74b0\u5883<\/td><td>Microsoft Visual Studio Website<\/td><\/tr><tr><td>Windows SDK<\/td><td>\u57fa\u672c\u958b\u767a\u30ad\u30c3\u30c8<\/td><td>Windows SDK Download<\/td><\/tr><tr><td>DirectShow Sample<\/td><td>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/td><td>Windows SDK \u306b\u542b\u307e\u308c\u308b<\/td><\/tr><tr><td>GraphEdit<\/td><td>\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb<\/td><td>Windows SDK \u306b\u542b\u307e\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">2. \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u57fa\u672c\u8a2d\u5b9a\n\/\/ 1. \u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\n#include &lt;dshow.h&gt;\n#include &lt;streams.h&gt;\n\n\/\/ 2. \u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\n#pragma comment(lib, \"strmiids.lib\")\n#pragma comment(lib, \"quartz.lib\")\n\n\/\/ 3. COM\u306e\u521d\u671f\u5316\nclass DirectShowApp {\npublic:\n    DirectShowApp() {\n        \/\/ COM\u306e\u521d\u671f\u5316\n        CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);\n    }\n\n    ~DirectShowApp() {\n        \/\/ COM\u306e\u7d42\u4e86\u51e6\u7406\n        CoUninitialize();\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u57fa\u672c\u7684\u306a\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u69cb\u7bc9\u624b\u9806<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\">1. \u57fa\u672c\u7684\u306a\u30e1\u30c7\u30a3\u30a2\u518d\u751f\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class MediaPlayer {\nprivate:\n    IGraphBuilder *pGraph;\n    IMediaControl *pControl;\n    IMediaEvent   *pEvent;\n\npublic:\n    HRESULT Initialize() {\n        HRESULT hr = CoCreateInstance(\n            CLSID_FilterGraph, \n            NULL, \n            CLSCTX_INPROC_SERVER,\n            IID_IGraphBuilder,\n            (void **)&amp;pGraph\n        );\n        if (FAILED(hr)) return hr;\n\n        \/\/ \u5fc5\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u53d6\u5f97\n        hr = pGraph-&gt;QueryInterface(IID_IMediaControl, (void **)&amp;pControl);\n        if (FAILED(hr)) return hr;\n\n        hr = pGraph-&gt;QueryInterface(IID_IMediaEvent, (void **)&amp;pEvent);\n        return hr;\n    }\n\n    HRESULT PlayFile(WCHAR *filename) {\n        \/\/ \u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u518d\u751f\n        HRESULT hr = pGraph-&gt;RenderFile(filename, NULL);\n        if (SUCCEEDED(hr)) {\n            hr = pControl-&gt;Run();\n        }\n        return hr;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">2. \u30d5\u30a3\u30eb\u30bf\u306e\u52d5\u7684\u306a\u8ffd\u52a0\u3068\u63a5\u7d9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HRESULT ConnectFilters(\n    IGraphBuilder *pGraph,\n    IBaseFilter *pSource,\n    IBaseFilter *pDest)\n{\n    \/\/ \u30d4\u30f3\u306e\u5217\u6319\n    IEnumPins *pEnumOut = NULL;\n    IEnumPins *pEnumIn = NULL;\n    IPin *pOut = NULL;\n    IPin *pIn = NULL;\n\n    HRESULT hr = pSource-&gt;EnumPins(&amp;pEnumOut);\n    if (FAILED(hr)) return hr;\n\n    hr = pDest-&gt;EnumPins(&amp;pEnumIn);\n    if (FAILED(hr)) {\n        pEnumOut-&gt;Release();\n        return hr;\n    }\n\n    \/\/ \u9069\u5207\u306a\u30d4\u30f3\u3092\u898b\u3064\u3051\u3066\u63a5\u7d9a\n    while (pEnumOut-&gt;Next(1, &amp;pOut, NULL) == S_OK) {\n        PIN_DIRECTION pinDir;\n        pOut-&gt;QueryDirection(&amp;pinDir);\n\n        if (pinDir == PINDIR_OUTPUT) {\n            while (pEnumIn-&gt;Next(1, &amp;pIn, NULL) == S_OK) {\n                pIn-&gt;QueryDirection(&amp;pinDir);\n\n                if (pinDir == PINDIR_INPUT) {\n                    hr = pGraph-&gt;Connect(pOut, pIn);\n                    if (SUCCEEDED(hr)) {\n                        \/\/ \u63a5\u7d9a\u6210\u529f\n                        goto cleanup;\n                    }\n                }\n                pIn-&gt;Release();\n            }\n        }\n        pOut-&gt;Release();\n        pEnumIn-&gt;Reset();\n    }\n\ncleanup:\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\n    if (pEnumOut) pEnumOut-&gt;Release();\n    if (pEnumIn) pEnumIn-&gt;Release();\n    return hr;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">1. \u57fa\u672c\u7684\u306a\u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u306e\u57fa\u672c\u30af\u30e9\u30b9\nclass CCustomFilter : public CBaseFilter {\nprivate:\n    CCritSec m_csFilter; \/\/ \u30d5\u30a3\u30eb\u30bf\u306e\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\n\npublic:\n    CCustomFilter(LPUNKNOWN pUnk, HRESULT *phr)\n        : CBaseFilter(NAME(\"Custom Filter\"), pUnk, &amp;m_csFilter, CLSID_CustomFilter) {\n        \/\/ \u521d\u671f\u5316\u51e6\u7406\n    }\n\n    \/\/ \u5165\u529b\u30d4\u30f3\u306e\u4f5c\u6210\n    virtual CBasePin * GetPin(int n) {\n        if (n == 0) {\n            return new CCustomInputPin(this, &amp;m_csFilter, phr);\n        }\n        return NULL;\n    }\n\n    \/\/ \u305d\u306e\u4ed6\u306e\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\n};\n\n\/\/ \u30ab\u30b9\u30bf\u30e0\u5165\u529b\u30d4\u30f3\u306e\u5b9f\u88c5\nclass CCustomInputPin : public CBaseInputPin {\npublic:\n    CCustomInputPin(CCustomFilter *pFilter,\n                   CCritSec *pLock,\n                   HRESULT *phr)\n        : CBaseInputPin(NAME(\"Custom Input Pin\"),\n                       pFilter,\n                       pLock,\n                       phr,\n                       L\"Input\") {\n    }\n\n    \/\/ \u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u30c1\u30a7\u30c3\u30af\n    HRESULT CheckMediaType(const CMediaType *pmt) {\n        if (pmt-&gt;majortype == MEDIATYPE_Video &amp;&amp;\n            pmt-&gt;subtype == MEDIASUBTYPE_RGB24) {\n            return S_OK;\n        }\n        return E_FAIL;\n    }\n\n    \/\/ \u30b5\u30f3\u30d7\u30eb\u51e6\u7406\n    STDMETHODIMP Receive(IMediaSample *pSample) {\n        BYTE *pData;\n        pSample-&gt;GetPointer(&amp;pData);\n\n        \/\/ \u3053\u3053\u3067\u30b5\u30f3\u30d7\u30eb\u306e\u51e6\u7406\u3092\u5b9f\u88c5\n\n        return S_OK;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">2. \u30d5\u30a3\u30eb\u30bf\u306e\u767b\u9332\u3068\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d5\u30a3\u30eb\u30bf\u306e\u767b\u9332\nHRESULT RegisterFilter() {\n    HRESULT hr = CoInitialize(NULL);\n    if (FAILED(hr)) return hr;\n\n    \/\/ \u30d5\u30a3\u30eb\u30bf\u306e\u767b\u9332\u60c5\u5831\u3092\u8a2d\u5b9a\n    REGFILTER2 rf2;\n    rf2.dwVersion = 1;\n    rf2.dwMerit = MERIT_DO_NOT_USE;\n    rf2.cPins = 1;\n    rf2.rgPins = &amp;regPin;\n\n    IFilterMapper2 *pMapper = NULL;\n    hr = CoCreateInstance(CLSID_FilterMapper2,\n                         NULL,\n                         CLSCTX_INPROC_SERVER,\n                         IID_IFilterMapper2,\n                         (void **)&amp;pMapper);\n\n    if (SUCCEEDED(hr)) {\n        hr = pMapper-&gt;RegisterFilter(\n            CLSID_CustomFilter,\n            L\"Custom Filter\",\n            NULL,\n            &amp;CLSID_VideoInputDeviceCategory,\n            L\"Custom Filter\",\n            &amp;rf2);\n\n        pMapper-&gt;Release();\n    }\n\n    CoUninitialize();\n    return hr;\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3059\u3079\u3066\u306eCOM\u64cd\u4f5c\u3067\u306e\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u51e6\u7406<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u60c5\u5831\u306e\u30ed\u30b0\u8a18\u9332<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e\u4e8b\u9805<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u6700\u5c0f\u5316<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30d0\u30c3\u30d5\u30a1\u7ba1\u7406\u306e\u52b9\u7387\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u3068\u30c6\u30b9\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GraphEdit\u3092\u4f7f\u7528\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u53ef\u8996\u5316<\/li>\n\n\n\n<li>\u6bb5\u968e\u7684\u306a\u30c6\u30b9\u30c8\u5b9f\u65bd<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u624b\u6cd5\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5b9a\u6027\u306e\u9ad8\u3044DirectShow\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u624b\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-17\">DirectShow\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30ea\u30bd\u30fc\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">1. \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\n#include &lt;comptr.h&gt;  \/\/ DirectShow\u306e\u6a19\u6e96\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\n\nclass OptimizedPlayer {\nprivate:\n    CComPtr&lt;IGraphBuilder&gt; m_pGraph;\n    CComPtr&lt;IMediaControl&gt; m_pControl;\n    CComPtr&lt;IMediaEvent&gt; m_pEvent;\n\npublic:\n    HRESULT Initialize() {\n        \/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306b\u3088\u308b\u81ea\u52d5\u89e3\u653e\n        HRESULT hr = m_pGraph.CoCreateInstance(CLSID_FilterGraph);\n        if (FAILED(hr)) return hr;\n\n        \/\/ QueryInterface\u3082\u5b89\u5168\u306b\u5b9f\u884c\n        hr = m_pGraph.QueryInterface(&amp;m_pControl);\n        if (FAILED(hr)) return hr;\n\n        return m_pGraph.QueryInterface(&amp;m_pEvent);\n    }\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u660e\u793a\u7684\u89e3\u653e\u4e0d\u8981\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-20\">2. \u30d0\u30c3\u30d5\u30a1\u30d7\u30fc\u30eb\u7ba1\u7406<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u52b9\u7387\u7684\u306a\u30d0\u30c3\u30d5\u30a1\u30d7\u30fc\u30eb\u5b9f\u88c5\nclass MediaSamplePool {\nprivate:\n    std::vector&lt;IMediaSample*&gt; m_pool;\n    CCritSec m_lock;\n    IMemAllocator* m_pAllocator;\n\npublic:\n    \/\/ \u30d0\u30c3\u30d5\u30a1\u306e\u4e8b\u524d\u5272\u308a\u5f53\u3066\n    HRESULT Initialize(IMemAllocator* pAlloc, LONG bufferCount) {\n        m_pAllocator = pAlloc;\n        ALLOCATOR_PROPERTIES props;\n        props.cBuffers = bufferCount;\n        props.cbBuffer = 1920 * 1080 * 3; \/\/ RGB24\u7528\n        props.cbAlign = 1;\n        props.cbPrefix = 0;\n\n        return m_pAllocator-&gt;SetProperties(&amp;props, &amp;props);\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u30d0\u30c3\u30d5\u30a1\u53d6\u5f97\n    IMediaSample* GetBuffer() {\n        CAutoLock lock(&amp;m_lock);\n        if (!m_pool.empty()) {\n            IMediaSample* pSample = m_pool.back();\n            m_pool.pop_back();\n            return pSample;\n        }\n        IMediaSample* pSample = NULL;\n        m_pAllocator-&gt;GetBuffer(&amp;pSample, NULL, NULL, 0);\n        return pSample;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u52b9\u7387\u5316\u3068\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">1. \u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u52b9\u7387\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u5b9f\u88c5\nclass ThreadPool {\nprivate:\n    std::vector&lt;std::thread&gt; m_workers;\n    std::queue&lt;std::function&lt;void()&gt;&gt; m_tasks;\n    std::mutex m_mutex;\n    std::condition_variable m_condition;\n    bool m_stop;\n\npublic:\n    ThreadPool(size_t threads) : m_stop(false) {\n        for (size_t i = 0; i &lt; threads; ++i) {\n            m_workers.emplace_back([this] {\n                while (true) {\n                    std::function&lt;void()&gt; task;\n                    {\n                        std::unique_lock&lt;std::mutex&gt; lock(m_mutex);\n                        m_condition.wait(lock, [this] {\n                            return m_stop || !m_tasks.empty();\n                        });\n                        if (m_stop &amp;&amp; m_tasks.empty()) return;\n                        task = std::move(m_tasks.front());\n                        m_tasks.pop();\n                    }\n                    task();\n                }\n            });\n        }\n    }\n\n    \/\/ \u30bf\u30b9\u30af\u306e\u8ffd\u52a0\n    template&lt;class F&gt;\n    void EnqueueTask(F&amp;&amp; f) {\n        {\n            std::unique_lock&lt;std::mutex&gt; lock(m_mutex);\n            m_tasks.emplace(std::forward&lt;F&gt;(f));\n        }\n        m_condition.notify_one();\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-23\">2. \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u6280\u8853<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u305f\u3081\u306e\u30ed\u30c3\u30af\u9806\u5e8f\u5f37\u5236\nclass SafeLocking {\nprivate:\n    enum LockOrder {\n        FILTER_LOCK = 0,\n        PIN_LOCK = 1,\n        BUFFER_LOCK = 2\n    };\n\n    CCritSec m_filterLock;\n    CCritSec m_pinLock;\n    CCritSec m_bufferLock;\n\npublic:\n    void ProcessMedia() {\n        \/\/ \u30ed\u30c3\u30af\u9806\u5e8f\u3092\u5e38\u306b\u4e00\u5b9a\u306b\u4fdd\u3064\n        CAutoLock filterLock(&amp;m_filterLock);  \/\/ \u6700\u521d\u306b\u53d6\u5f97\n        {\n            CAutoLock pinLock(&amp;m_pinLock);    \/\/ \u6b21\u306b\u53d6\u5f97\n            {\n                CAutoLock bufferLock(&amp;m_bufferLock);  \/\/ \u6700\u5f8c\u306b\u53d6\u5f97\n                \/\/ \u30e1\u30c7\u30a3\u30a2\u51e6\u7406\n            }\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u5927\u898f\u6a21\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u78ba\u4fdd<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-25\">1. \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u4e26\u5217\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u306e\u5b9f\u88c5\nclass PipelineProcessor {\nprivate:\n    ThreadPool m_pool;\n    std::queue&lt;IMediaSample*&gt; m_stages[3];  \/\/ 3\u6bb5\u968e\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\n\npublic:\n    void ProcessFrame(IMediaSample* pSample) {\n        \/\/ \u30b9\u30c6\u30fc\u30b81: \u30c7\u30b3\u30fc\u30c9\n        m_pool.EnqueueTask([this, pSample] {\n            DecodeStage(pSample);\n        });\n\n        \/\/ \u30b9\u30c6\u30fc\u30b82: \u51e6\u7406\n        m_pool.EnqueueTask([this] {\n            ProcessStage();\n        });\n\n        \/\/ \u30b9\u30c6\u30fc\u30b83: \u30a8\u30f3\u30b3\u30fc\u30c9\n        m_pool.EnqueueTask([this] {\n            EncodeStage();\n        });\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">2. \u30ad\u30e3\u30c3\u30b7\u30e5\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u306e\u6700\u9069\u5316\nclass CacheOptimizedFilter : public CBaseFilter {\nprivate:\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u306b\u5408\u308f\u305b\u305f\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\n    alignas(64) BYTE m_processBuffer[1920 * 1080 * 3];\n\n    void ProcessData(const BYTE* pIn, BYTE* pOut, size_t size) {\n        \/\/ SIMD\u3092\u6d3b\u7528\u3057\u305f\u51e6\u7406\n        for (size_t i = 0; i &lt; size; i += 16) {\n            __m128i data = _mm_load_si128((__m128i*)&amp;pIn[i]);\n            \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n            _mm_store_si128((__m128i*)&amp;pOut[i], data);\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30d5\u30a1\u306e\u518d\u5229\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u306e\u6226\u7565<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u30b9\u30ec\u30c3\u30c9\u6570\u306e\u9078\u629e<\/li>\n\n\n\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u52b9\u7387\u7684\u306a\u5229\u7528<\/li>\n\n\n\n<li>\u540c\u671f\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u6700\u5c0f\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u8a2d\u8a08<\/li>\n\n\n\n<li>\u4e26\u5217\u51e6\u7406\u306e\u52b9\u679c\u7684\u306a\u5b9f\u88c5<\/li>\n\n\n\n<li>\u8ca0\u8377\u5206\u6563\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u6027\u80fd\u306aDirectShow\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u73fe\u4ee3\u7684\u306a\u4ee3\u66ff\u6280\u8853\u3068\u306e\u6bd4\u8f03\u3068\u79fb\u884c\u6226\u7565\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-27\">\u73fe\u4ee3\u7684\u306a\u4ee3\u66ff\u6280\u8853\u3068\u306e\u6bd4\u8f03\u3068\u79fb\u884c\u6226\u7565<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-28\">Media Foundation\u3068DirectShow\u306e\u6280\u8853\u6bd4\u8f03<\/h3>\n\n\n\n<p>DirectShow\u3068Media Foundation\u306e\u4e3b\u8981\u306a\u9055\u3044\u3092\u4ee5\u4e0b\u306e\u89b3\u70b9\u304b\u3089\u6bd4\u8f03\u3057\u307e\u3059\uff1a<\/p>\n\n\n<div id=\"id-40689909-180c-48af-9610-cac1de6f18de\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u70b9<\/th><th>DirectShow<\/th><th>Media Foundation<\/th><\/tr><\/thead><tbody><tr><td>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/td><td>\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u30d9\u30fc\u30b9<\/td><td>\u30e1\u30c7\u30a3\u30a2\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u30d9\u30fc\u30b9<\/td><\/tr><tr><td>\u5b9f\u88c5\u8a00\u8a9e<\/td><td>C++\u4e2d\u5fc3<\/td><td>C++\/C#\u5bfe\u5fdc<\/td><\/tr><tr><td>Windows\u5bfe\u5fdc<\/td><td>Windows XP\u4ee5\u964d<\/td><td>Windows Vista\u4ee5\u964d<\/td><\/tr><tr><td>\u30e2\u30d0\u30a4\u30eb\u5bfe\u5fdc<\/td><td>\u9650\u5b9a\u7684<\/td><td>UWP\u30a2\u30d7\u30ea\u5bfe\u5fdc<\/td><\/tr><tr><td>\u30b3\u30fc\u30c7\u30c3\u30af\u62e1\u5f35<\/td><td>\u8c4a\u5bcc\u306a\u65e2\u5b58\u8cc7\u7523<\/td><td>MFT\u5f62\u5f0f\u3067\u306e\u5b9f\u88c5<\/td><\/tr><tr><td>\u975e\u540c\u671f\u51e6\u7406<\/td><td>\u9650\u5b9a\u7684<\/td><td>\u5305\u62ec\u7684\u306a\u30b5\u30dd\u30fc\u30c8<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"i-29\">\u6280\u8853\u9078\u629e\u306e\u5224\u65ad\u57fa\u6e96<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ DirectShow\u306e\u5178\u578b\u7684\u306a\u5b9f\u88c5\u4f8b\nHRESULT CreateDirectShowGraph() {\n    IGraphBuilder *pGraph = NULL;\n    HRESULT hr = CoCreateInstance(\n        CLSID_FilterGraph,\n        NULL,\n        CLSCTX_INPROC_SERVER,\n        IID_IGraphBuilder,\n        (void **)&amp;pGraph\n    );\n    return hr;\n}\n\n\/\/ \u5bfe\u5fdc\u3059\u308bMedia Foundation\u306e\u5b9f\u88c5\u4f8b\nHRESULT CreateMFPipeline() {\n    IMFMediaSession *pSession = NULL;\n    HRESULT hr = MFCreateMediaSession(\n        NULL,\n        &amp;pSession\n    );\n    return hr;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u6bb5\u968e\u7684\u306a\u79fb\u884c\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-31\">1. \u79fb\u884c\u6e96\u5099\u30d5\u30a7\u30fc\u30ba<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ DirectShow\u3068Media Foundation\u306e\u5171\u5b58\u5b9f\u88c5\nclass HybridMediaPlayer {\nprivate:\n    \/\/ DirectShow\u95a2\u9023\n    CComPtr&lt;IGraphBuilder&gt; m_pDSGraph;\n    \/\/ Media Foundation\u95a2\u9023\n    CComPtr&lt;IMFMediaSession&gt; m_pMFSession;\n\n    bool m_useLegacy;\n\npublic:\n    HRESULT Initialize(bool useLegacy) {\n        m_useLegacy = useLegacy;\n\n        if (m_useLegacy) {\n            return InitializeDirectShow();\n        } else {\n            return InitializeMediaFoundation();\n        }\n    }\n\n    HRESULT PlayFile(const WCHAR* filename) {\n        if (m_useLegacy) {\n            return PlayFileDirectShow(filename);\n        } else {\n            return PlayFileMediaFoundation(filename);\n        }\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-32\">2. \u6bb5\u968e\u7684\u79fb\u884c\u306e\u30b9\u30c6\u30c3\u30d7<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6a5f\u80fd\u5206\u6790\u30d5\u30a7\u30fc\u30ba<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\u30de\u30c3\u30d4\u30f3\u30b0<\/li>\n\n\n\n<li>\u4f9d\u5b58\u95a2\u4fc2\u306e\u7279\u5b9a<\/li>\n\n\n\n<li>\u79fb\u884c\u512a\u5148\u5ea6\u306e\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5206\u96e2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u6700\u5c0f\u5316<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64\u306e\u62bd\u8c61\u5316<\/li>\n\n\n\n<li>\u5171\u901a\u6a5f\u80fd\u306e\u7279\u5b9a\u3068\u5206\u96e2<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e26\u884c\u904b\u7528\u6226\u7565<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u62bd\u8c61\u5316\u3055\u308c\u305f\u30e1\u30c7\u30a3\u30a2\u51e6\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass IMediaProcessor {\npublic:\n    virtual HRESULT ProcessMedia(\n        const BYTE* pInput,\n        DWORD inputSize,\n        BYTE* pOutput,\n        DWORD* pOutputSize) = 0;\n};\n\n\/\/ DirectShow\u5b9f\u88c5\nclass DirectShowProcessor : public IMediaProcessor {\npublic:\n    HRESULT ProcessMedia(\n        const BYTE* pInput,\n        DWORD inputSize,\n        BYTE* pOutput,\n        DWORD* pOutputSize) override {\n        \/\/ DirectShow\u306b\u3088\u308b\u5b9f\u88c5\n        return S_OK;\n    }\n};\n\n\/\/ Media Foundation\u5b9f\u88c5\nclass MediaFoundationProcessor : public IMediaProcessor {\npublic:\n    HRESULT ProcessMedia(\n        const BYTE* pInput,\n        DWORD inputSize,\n        BYTE* pOutput,\n        DWORD* pOutputSize) override {\n        \/\/ Media Foundation\u306b\u3088\u308b\u5b9f\u88c5\n        return S_OK;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-33\">\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308b\u6700\u9069\u306a\u6280\u8853\u9078\u629e<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-34\">1. \u6a5f\u80fd\u5225\u306e\u6280\u8853\u9078\u629e\u57fa\u6e96<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65b0\u898f\u958b\u767a\u90e8\u5206<\/strong>\uff1aMedia Foundation\u512a\u5148<\/li>\n\n\n\n<li><strong>\u30ec\u30ac\u30b7\u30fc\u9023\u643a\u90e8\u5206<\/strong>\uff1aDirectShow\u7d99\u7d9a<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u91cd\u8996\u90e8\u5206<\/strong>\uff1a\u30b1\u30fc\u30b9\u30d0\u30a4\u30b1\u30fc\u30b9\u3067\u5224\u65ad<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-35\">2. \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\nclass HybridMediaSystem {\nprivate:\n    std::unique_ptr&lt;IMediaProcessor&gt; m_processor;\n\npublic:\n    HRESULT Initialize(MediaTechnology tech) {\n        switch (tech) {\n            case MediaTechnology::DirectShow:\n                m_processor = std::make_unique&lt;DirectShowProcessor&gt;();\n                break;\n            case MediaTechnology::MediaFoundation:\n                m_processor = std::make_unique&lt;MediaFoundationProcessor&gt;();\n                break;\n            default:\n                return E_INVALIDARG;\n        }\n        return S_OK;\n    }\n\n    HRESULT ProcessMedia(\/* \u30d1\u30e9\u30e1\u30fc\u30bf *\/) {\n        return m_processor-&gt;ProcessMedia(\/* \u30d1\u30e9\u30e1\u30fc\u30bf *\/);\n    }\n};<\/pre>\n\n\n\n<p>\u79fb\u884c\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30b9\u30af\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bb5\u968e\u7684\u306a\u30c6\u30b9\u30c8\u5b9f\u65bd<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u69cb\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u8005\u6559\u80b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65b0\u6280\u8853\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/li>\n\n\n\n<li>\u79fb\u884c\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u6574\u5099<\/li>\n\n\n\n<li>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u5171\u6709<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u54c1\u8cea\u4fdd\u8a3c<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a5f\u80fd\u30c6\u30b9\u30c8\u306e\u81ea\u52d5\u5316<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/li>\n\n\n\n<li>\u4e92\u63db\u6027\u691c\u8a3c<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6226\u7565\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u6280\u8853\u79fb\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-36\">DirectShow\u306e\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u89e3\u6c7a\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-38\">1. \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u95a2\u9023\u306e\u554f\u984c<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u691c\u51fa\u7528\u306e\u30e9\u30c3\u30d1\u30fc\u30af\u30e9\u30b9\nclass MemoryTracker {\nprivate:\n    static std::map&lt;void*, std::string&gt; allocations;\n    static CCritSec cs;\n\npublic:\n    static void TrackAllocation(void* ptr, const std::string&amp; desc) {\n        CAutoLock lock(&amp;cs);\n        allocations[ptr] = desc;\n    }\n\n    static void UntrackAllocation(void* ptr) {\n        CAutoLock lock(&amp;cs);\n        allocations.erase(ptr);\n    }\n\n    static void DumpLeaks() {\n        CAutoLock lock(&amp;cs);\n        for (const auto&amp; alloc : allocations) {\n            TRACE(\"Memory leak: %p (%s)\\n\", alloc.first, alloc.second.c_str());\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nclass TrackedMediaSample {\nprivate:\n    BYTE* m_pBuffer;\n\npublic:\n    TrackedMediaSample(size_t size, const char* desc) {\n        m_pBuffer = new BYTE[size];\n        MemoryTracker::TrackAllocation(m_pBuffer, desc);\n    }\n\n    ~TrackedMediaSample() {\n        MemoryTracker::UntrackAllocation(m_pBuffer);\n        delete[] m_pBuffer;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">2. \u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u306e\u63a5\u7d9a\u554f\u984c<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u63a5\u7d9a\u8a3a\u65ad\nclass GraphDiagnostics {\npublic:\n    static HRESULT DiagnoseConnection(\n        IPin* pOutPin,\n        IPin* pInPin,\n        const GUID* pMediaType)\n    {\n        \/\/ \u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u306e\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\n        AM_MEDIA_TYPE mt;\n        HRESULT hr = pOutPin-&gt;ConnectionMediaType(&amp;mt);\n        if (SUCCEEDED(hr)) {\n            if (mt.majortype != *pMediaType) {\n                TRACE(\"Incompatible media type\\n\");\n                return VFW_E_TYPE_NOT_ACCEPTED;\n            }\n        }\n\n        \/\/ \u30d4\u30f3\u306e\u65b9\u5411\u30c1\u30a7\u30c3\u30af\n        PIN_DIRECTION pinDir;\n        hr = pOutPin-&gt;QueryDirection(&amp;pinDir);\n        if (FAILED(hr) || pinDir != PINDIR_OUTPUT) {\n            TRACE(\"Invalid output pin direction\\n\");\n            return VFW_E_INVALID_DIRECTION;\n        }\n\n        return S_OK;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-40\">\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u306e\u52b9\u679c\u7684\u306a\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-41\">1. GraphEdit\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30d0\u30c3\u30b0<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ GraphEdit\u3067\u30c7\u30d0\u30c3\u30b0\u53ef\u80fd\u306a\u30d5\u30a3\u30eb\u30bf\u30b0\u30e9\u30d5\u4f5c\u6210\nclass DebuggableGraph {\nprivate:\n    CComPtr&lt;IGraphBuilder&gt; m_pGraph;\n    DWORD m_ROTRegister;\n\npublic:\n    HRESULT RegisterToROT() {\n        IRunningObjectTable* pROT = NULL;\n        HRESULT hr = GetRunningObjectTable(0, &amp;pROT);\n        if (FAILED(hr)) return hr;\n\n        WCHAR wsz[128];\n        StringCchPrintfW(\n            wsz, \n            128, \n            L\"FilterGraph %08x pid %08x\",\n            (DWORD_PTR)m_pGraph.p,\n            GetCurrentProcessId()\n        );\n\n        IMoniker* pMoniker = NULL;\n        hr = CreateItemMoniker(L\"!\", wsz, &amp;pMoniker);\n        if (SUCCEEDED(hr)) {\n            hr = pROT-&gt;Register(\n                ROTFLAGS_REGISTRATIONKEEPSALIVE,\n                m_pGraph.p,\n                pMoniker,\n                &amp;m_ROTRegister\n            );\n            pMoniker-&gt;Release();\n        }\n        pROT-&gt;Release();\n        return hr;\n    }\n\n    void RemoveFromROT() {\n        IRunningObjectTable* pROT = NULL;\n        if (SUCCEEDED(GetRunningObjectTable(0, &amp;pROT))) {\n            pROT-&gt;Revoke(m_ROTRegister);\n            pROT-&gt;Release();\n        }\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-42\">2. \u30ed\u30b0\u6a5f\u80fd\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8a73\u7d30\u306a\u30ed\u30b0\u8a18\u9332\u30b7\u30b9\u30c6\u30e0\nclass DSLogger {\nprivate:\n    static std::ofstream logFile;\n    static CCritSec cs;\n\npublic:\n    enum LogLevel {\n        ERROR,\n        WARNING,\n        INFO,\n        DEBUG\n    };\n\n    static void Log(LogLevel level, const char* format, ...) {\n        CAutoLock lock(&amp;cs);\n\n        va_list args;\n        va_start(args, format);\n\n        char buffer[1024];\n        vsnprintf(buffer, sizeof(buffer), format, args);\n\n        const char* levelStr;\n        switch (level) {\n            case ERROR: levelStr = \"ERROR\"; break;\n            case WARNING: levelStr = \"WARNING\"; break;\n            case INFO: levelStr = \"INFO\"; break;\n            case DEBUG: levelStr = \"DEBUG\"; break;\n        }\n\n        SYSTEMTIME st;\n        GetSystemTime(&amp;st);\n\n        logFile &lt;&lt; st.wYear &lt;&lt; \"-\" &lt;&lt; st.wMonth &lt;&lt; \"-\" &lt;&lt; st.wDay\n                &lt;&lt; \" \" &lt;&lt; st.wHour &lt;&lt; \":\" &lt;&lt; st.wMinute &lt;&lt; \":\" &lt;&lt; st.wSecond\n                &lt;&lt; \" [\" &lt;&lt; levelStr &lt;&lt; \"] \" &lt;&lt; buffer &lt;&lt; std::endl;\n\n        va_end(args);\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-43\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u306e\u8a3a\u65ad\u3068\u89e3\u6c7a<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-44\">1. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30af\u30e9\u30b9\nclass PerformanceMonitor {\nprivate:\n    LARGE_INTEGER m_frequency;\n    std::map&lt;std::string, std::vector&lt;double&gt;&gt; m_measurements;\n    CCritSec m_cs;\n\npublic:\n    PerformanceMonitor() {\n        QueryPerformanceFrequency(&amp;m_frequency);\n    }\n\n    void StartMeasurement(const std::string&amp; operation) {\n        LARGE_INTEGER start;\n        QueryPerformanceCounter(&amp;start);\n\n        CAutoLock lock(&amp;m_cs);\n        m_measurements[operation + \"_start\"].push_back(\n            static_cast&lt;double&gt;(start.QuadPart));\n    }\n\n    void EndMeasurement(const std::string&amp; operation) {\n        LARGE_INTEGER end;\n        QueryPerformanceCounter(&amp;end);\n\n        CAutoLock lock(&amp;m_cs);\n        m_measurements[operation + \"_end\"].push_back(\n            static_cast&lt;double&gt;(end.QuadPart));\n    }\n\n    double GetAverageTime(const std::string&amp; operation) {\n        CAutoLock lock(&amp;m_cs);\n        auto&amp; starts = m_measurements[operation + \"_start\"];\n        auto&amp; ends = m_measurements[operation + \"_end\"];\n\n        if (starts.size() != ends.size()) return 0.0;\n\n        double totalTime = 0.0;\n        for (size_t i = 0; i &lt; starts.size(); ++i) {\n            totalTime += (ends[i] - starts[i]) \/ \n                        static_cast&lt;double&gt;(m_frequency.QuadPart);\n        }\n\n        return totalTime \/ starts.size();\n    }\n};<\/pre>\n\n\n\n<p>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b7\u30b9\u30c6\u30de\u30c6\u30a3\u30c3\u30af\u306a\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u554f\u984c\u306e\u5207\u308a\u5206\u3051<\/li>\n\n\n\n<li>\u518d\u73fe\u624b\u9806\u306e\u78ba\u7acb<\/li>\n\n\n\n<li>\u89e3\u6c7a\u7b56\u306e\u691c\u8a3c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u52b9\u679c\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GraphEdit\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30ed\u30b0\u89e3\u6790<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a08\u6e2c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e88\u9632\u7684\u5bfe\u7b56<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u5f37\u5316<\/li>\n\n\n\n<li>\u76e3\u8996\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u65e9\u671f\u8b66\u544a\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001DirectShow\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b89\u5b9a\u6027\u3068\u4fe1\u983c\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; 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