{"id":20,"date":"2025-07-10T00:32:52","date_gmt":"2025-07-09T16:32:52","guid":{"rendered":"http:\/\/www.fishq.top\/?p=20"},"modified":"2025-07-31T17:34:54","modified_gmt":"2025-07-31T09:34:54","slug":"rtmp","status":"publish","type":"post","link":"https:\/\/www.fishq.top\/index.php\/2025\/07\/10\/rtmp\/","title":{"rendered":"Rtmp\u534f\u8bae\u5228\u6790"},"content":{"rendered":"\n<!-- \u8df3\u52a8\u5f69\u8272\u5c45\u4e2d\u65e5\u671f + \u5c0f\u732b -->\n<div style=\"text-align:center;font-size:28px;font-weight:bold;animation:j 1.2s ease-in-out infinite,c 3s linear infinite\">2025.7.10<span style=\"margin-left:6px\">\ud83d\udc31<\/span><\/div>\n<style>@keyframes j{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes c{0%{color:#f00}16.6%{color:#ff0}33.3%{color:#0f0}50%{color:#0ff}66.6%{color:#00f}83.3%{color:#f0f}100%{color:#f00}}<\/style>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/1.gif'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"190\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/1.gif\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-249\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001RTMP\u6982\u8ff0<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>RTMP\uff08Real Time Messaging Protocol\uff09\u662fAdobe\u516c\u53f8\u63d0\u51fa\u7684<code>\u5b9e\u65f6\u6d88\u606f\u4f20\u8f93\u534f\u8bae<\/code>\uff0c\u7528\u4e8e\u4f20\u9012<code>\u5e26\u6709\u65f6\u95f4\u4fe1\u606f\u7684\u89c6\u9891<\/code>\u3001<code>\u97f3\u9891<\/code>\u548c<code>\u6570\u636e\u6d88\u606f\u6d41<\/code>\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7<code>\u5206\u5757\u4f20\u8f93\u673a\u5236<\/code>\u5b9e\u73b0\u4f4e\u5ef6\u8fdf\u7684\u97f3\u9891\u3001\u89c6\u9891\u548c\u6570\u636e\u901a\u4fe1\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u76f4\u64ad\u548c\u89c6\u9891\u4f1a\u8bae\u7b49\u573a\u666f\uff0c\u5e38\u7528\u4e8e\u5411\u4e91\u7aef\u63a8\u6d41<\/li>\n\n\n\n<li>\u5de5\u4f5c\u5728<code>TCP<\/code>\u4e4b\u4e0a\uff0c\u9ed8\u8ba4\u7aef\u53e3\u4e3a<code>1935<\/code>\uff0c\u57fa\u4e8eTCP\u534f\u8bae\u8fdb\u884c\u4f20\u8f93\u3002<\/li>\n<\/ol>\n\n\n\n<p>RTMP\u4ea4\u4e92\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>\u63e1\u624b\u534f\u8bae<\/code>\uff1a\u5efa\u7acbTCP\u8fde\u63a5\u540e\uff0c\u901a\u8fc7RTMP\u63e1\u624b\u534f\u8bae\u6765\u5b8c\u6210RTMP\u7684\u8fde\u63a5\uff0c\u5305\u62ec\u5ba2\u6237\u7aef\u53d1\u9001C0\u3001C1\u3001C2\u5757\uff0c\u670d\u52a1\u7aef\u53d1\u9001S0\u3001S1\u3001S2\u5757\u3002<\/li>\n\n\n\n<li><code>RTMP\u5206\u5757\uff08chunk\uff09<\/code>\uff1a\u5c06RTMP\u6d88\u606f\uff08Message\uff09\u62c6\u5206\u4e3a\u591a\u4e2a\u5757\uff08Chunk\uff09\u8fdb\u884c\u53d1\u9001\uff0c\u6bcf\u4e2aChunk\u5305\u542b\u97f3\u89c6\u9891\u6570\u636e\u548c\u4fe1\u4ee4\u3002<\/li>\n\n\n\n<li><code>\u534f\u8bae\u63a7\u5236\u6d88\u606f<\/code>\uff08Protocol Control Message\uff09\uff1a\u4f7f\u7528\u7279\u6b8a\u503c\u4ee3\u8868\u63a7\u5236\u6d88\u606f\uff0c\u5982SetChunkSize\u3001SetACKWindowSize\u3001CreateStream\u7b49\u3002 <code>RTMP\u6d88\u606f\u683c\u5f0f<\/code>\uff08RTMP Message Format\uff09\uff1a\u5305\u62ec\u6d88\u606f\u5934\u548c\u6709\u6548\u8d1f\u8f7d\uff0c\u6d88\u606f\u5934\u5305\u542b\u6d88\u606f\u7c7b\u578b\u3001\u8d1f\u8f7d\u957f\u5ea6\u3001\u65f6\u95f4\u6233\u548c\u6d88\u606f\u6d41ID<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/2.gif'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"190\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/2.gif\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-250\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u63e1\u624b\u8bbe\u8ba1<\/h2>\n\n\n\n<p>RTMP\u63e1\u624b\u8fc7\u7a0b<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522140252.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"705\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522140252.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-37\"  sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/div><\/figure>\n\n\n\n<p><br>\u63e1\u624b\u4e4b\u524d\u5148\u5efa\u7acbTCP\u8fde\u63a5 \u7136\u540e\u518d\u53bb\u63e1\u624b \u63e1\u624b\u4e4b\u540e\u518d\u53bb\u8fdb\u884c\u4e00\u4e9b\u547d\u4ee4\u8bf7\u6c42 \u6d88\u606f\u63a7\u5236<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u53d1\u9001C0\u548cC1 \u670d\u52a1\u7aef\u8fd4\u56deS0 S1<br>\u5ba2\u6237\u7aef\u53d1\u9001C2 \u670d\u52a1\u7aef\u8fd4\u56deS2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u672c\u8eab\u5e76\u6ca1\u6709\u89c4\u5b9a\u8fd96\u4e2aMessage\u7684\u5177\u4f53\u4f20\u8f93\u987a\u5e8f\uff0c\u4f46RTMP\u534f\u8bae\u7684\u5b9e\u73b0\u8005\u9700\u8981\u4fdd\u8bc1\u8fd9\u51e0\u70b9:\n\u5ba2\u6237\u7aef\u8981\u7b49\u6536\u5230S1\u4e4b\u540e\u624d\u80fd\u53d1\u9001C2\n\u5ba2\u6237\u7aef\u8981\u7b49\u6536\u5230S2\u4e4b\u540e\u624d\u80fd\u53d1\u9001\u5176\u4ed6\u4fe1\u606f(\u63a7\u5236\u4fe1\u606f\u548c\u771f\u5b9e\u97f3\u89c6\u9891\u7b49\u6570\u636e)\n\u670d\u52a1\u7aef\u8981\u7b49\u5230\u6536\u5230C0\u4e4b\u540e\u53d1\u9001S0,S1\n\u670d\u52a1\u7aef\u5fc5\u987b\u7b49\u5230\u6536\u5230C1\u4e4b\u540e\u624d\u80fd\u53d1\u9001S2\n\u670d\u52a1\u7aef\u5fc5\u987b\u7b49\u5230\u6536\u5230C2\u4e4b\u540e\u624d\u80fd\u53d1\u9001\u5176\u4ed6\u4fe1\u606f(\u63a7\u5236\u4fe1\u606f\u548c\u771f\u5b9e\u97f3\u89c6\u9891\u7b49\u6570\u636e)\n\u7406\u8bba\u4e0a\u6765\u8bb2\u53ea\u8981\u6ee1\u8db3\u4ee5\u4e0a\u6761\u4ef6\uff0c\u5982\u4f55\u5b89\u63926\u4e2aMessage\u7684\u987a\u5e8f\u90fd\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u5b9e\u9645\u5b9e\u73b0\u4e2d\u4e3a\u4e86\u5728\u4fdd\u8bc1\u63e1\u624b\u7684\u8eab\u4efd\u9a8c\u8bc1\u529f\u80fd\u7684\u57fa\u7840\u4e0a\u5c3d\u91cf\u51cf\u5c11\u901a\u4fe1\u7684\u6b21\u6570\uff0c\u4e00\u822c\u7684\u53d1\u9001\u987a\u5e8f\u662f\u8fd9\u6837\u7684\u3002\n| client | server | \n|-----C0 + C1----&gt;| \n|&lt;----S0+S1+S2----| \n|-------C2-------&gt;|<\/code><\/pre>\n\n\n\n<p>\u5ba2\u6237\u7aef\u5c06C0\u548cC1\u6346\u7ed1\u5728\u4e00\u8d77\u53d1\u9001\u5230\u670d\u52a1\u5668<br>\u670d\u52a1\u5668\u6536\u5230\u540e\u4e00\u8d77\u8fd4\u56deS0S1S2<br>\u5ba2\u6237\u7aef\u6536\u5230\u540e\u53d1\u9001C2<br>\u670d\u52a1\u7aef\u6536\u5230C2\u540e\u8fdb\u884c\u53d1\u9001\u5176\u4ed6\u4fe1\u606f(\u63a7\u5236\u4fe1\u606f\u6216\u8005\u771f\u5b9e\u97f3\u89c6\u9891\u6570\u636e)<br>\u5b8c\u6210\u63e1\u624b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u27282.1 C0C1C2\/S0S1S2\u62c6\u89e3<\/h3>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">C0\u548cS0<\/mark><\/code>\uff1a1\u4e2a\u5b57\u8282\uff0c\u5305\u542b\u4e86RTMP\u7248\u672c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0 1 2 3 4 5 6 7 \n+-+-+-+-+-+-+-+-+\n| version | \n+-+-+-+-+-+-+-+-+ \nC0 and S0 bits\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">C1\u548cS1<\/mark><\/code>\uff1a4\u5b57\u8282\u65f6\u95f4\u6233\uff0c4\u5b57\u8282\u76840\uff0c1528\u5b57\u8282\u7684\u968f\u673a\u6570\uff0c\u603b\u5171\u52a0\u8d77\u6765\u662f1536\u5b57\u8282<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522141020.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"711\" height=\"448\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522141020.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-39\"  sizes=\"auto, (max-width: 711px) 100vw, 711px\" \/><\/div><\/figure>\n\n\n\n<p><br>C1\/S1 \u957f\u5ea6\u4e3a 1536B(4+4+1528)\u3002\u4e3b\u8981\u76ee\u7684\u662f\u786e\u4fdd\u63e1\u624b\u7684\u552f\u4e00\u6027\u3002<br>\u683c\u5f0f\u4e3a time + zero + random<br>time \u53d1\u9001\u65f6\u95f4\u6233\uff0c\u957f\u5ea6 4 byte<br>zero \u4fdd\u7559\u503c 0\uff0c\u957f\u5ea6 4 byte<br>random \u968f\u673a\u503c\uff0c\u957f\u5ea6 1528 byte,\u4fdd\u8bc1\u6b64\u6b21\u63e1\u624b\u7684\u552f\u4e00\u6027\uff0c\u786e\u5b9a\u63e1\u624b\u7684\u5bf9\u8c61<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">C2\u548cS2<\/mark><\/code>:4\u5b57\u8282\u65f6\u95f4\u6233\uff0c4\u5b57\u8282\u4ece\u5bf9\u7aef\u8bfb\u5230\u7684\u65f6\u95f4\u6233\uff0c1528\u5b57\u8282\u968f\u673a\u6570<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522141114.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"427\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522141114.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-40\"  sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/div><\/figure>\n\n\n\n<p><br>C2\/S2 \u7684\u957f\u5ea6\u4e5f\u662f 1536B\uff084+4+1528\uff09\u3002<br>\u76f8\u5f53\u4e8e\u5c31\u662f S1\/C1\u7684\u54cd\u5e94\u503c\uff0c\u5bf9\u5e94 C1\/S1\u7684 Copy \u503c\uff0c\u5728\u4e8e\u5b57\u6bb5\u6709\u70b9\u533a\u522b<br>time \uff0cC2\/S2 \u53d1\u9001\u7684\u65f6\u95f4\u6233\uff0c\u957f\u5ea6 4 byte<br>time2 \uff0cS1\/C1 \u53d1\u9001\u7684\u65f6\u95f4\u6233\uff0c\u957f\u5ea6 4 byte\uff08C2 \u4e2d\u7684 time2 \u5b57\u6bb5\u662f S1 \u4e2d\u7684 time \u5b57\u6bb5\u503c\uff0c\u5373\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u7aef\u53d1\u9001\u7684 S1 \u540e\uff0c\u5c06\u5176\u4e2d\u7684 4 \u5b57\u8282\u65f6\u95f4\u6233\u62f7\u8d1d\u5230 C2 \u7684 time2 \u5b57\u6bb5\uff1b\u540c\u7406\uff0cS2 \u4e2d\u7684 time2 \u5b57\u6bb5\u662f C1 \u4e2d\u7684 time \u5b57\u6bb5\u503c\u3002\u4ed6\u4eec\u5404\u81ea\u62f7\u8d1d\u7684time2\u5b57\u6bb5\u5fc5\u987b\u5f97\u662f\u76f8\u7b49\u7684\uff0c\u8fd9\u662f\u4e3a\u4e86\u8ba9\u5bf9\u7aef\u9a8c\u8bc1\u65f6\u95f4\u6233\u662f\u5426\u4e00\u81f4\uff09<br>random\uff0cS1\/C1\u53d1\u9001\u7684\u968f\u673a\u6570\uff0c\u957f\u5ea6\u4e3a1528B<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u27282.2 \u63e1\u624b\u603b\u7ed3<\/h3>\n\n\n\n<p>\u603b\u4f53\u7684\u4ea4\u4e92\u6d41\u7a0b\u5176\u5b9e\u5c31\u662f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>| client | server | \n|-----C0 + C1----&gt;| \n|&lt;----S0+S1+S2----| \n|-------C2-------&gt;|<\/code><\/pre>\n\n\n\n<p><strong>\u5ba2\u6237\u7aef\u53d1\u8d77<\/strong>\uff1a\u53d1\u9001 C0\uff081\u5b57\u8282\u7248\u672c\u53f7\uff09+ C1\uff081536\u5b57\u8282\u968f\u673a\u6570\uff09<\/p>\n\n\n\n<p><strong>\u670d\u52a1\u5668\u54cd\u5e94<\/strong>\uff1a\u53d1\u9001 S0\uff081\u5b57\u8282\u7248\u672c\u53f7\uff09+ S1\uff081536\u5b57\u8282\u968f\u673a\u6570\uff09+ S2\uff08\u56de\u663eC1\uff09<\/p>\n\n\n\n<p><strong>\u5ba2\u6237\u7aef\u56de\u663e<\/strong>\uff1a\u53d1\u9001 C2\uff08\u56de\u663eS1\uff09<\/p>\n\n\n\n<p>\u63e1\u624b\u5b8c\u6210\u540e\uff0c\u53cc\u65b9\u53ef\u4ee5\u8fdb\u884c RTMP \u6d88\u606f\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u5176\u4e2dC0\u548cS0\u4f1a\u5305\u542bRTMP\u7684\u7248\u672c\u53f7<br>C1\u662f\u5ba2\u6237\u7aef\u968f\u673a\u6570 S1\u662f\u670d\u52a1\u7aef\u968f\u673a\u6570<br>S2\u662f\u670d\u52a1\u7aef\u56de\u663e \u670d\u52a1\u5668\u628a\u5ba2\u6237\u7aef\u53d1\u6765\u7684 C1 \u539f\u6837\u8fd4\u56de<br>C2\u662f\u5ba2\u6237\u7aef\u56de\u663e \u5ba2\u6237\u7aef\u628a\u670d\u52a1\u7aef\u53d1\u6765\u7684S1\u539f\u6837\u8fd4\u56de<\/p>\n\n\n\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u5904\u7406\u670d\u52a1\u7aef\u53d1\u9001\u6765\u7684S0S1S2<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"664\" height=\"432\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-80\"  sizes=\"auto, (max-width: 664px) 100vw, 664px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/3.gif'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"190\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/3.gif\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-251\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5206\u5757\u4f20\u8f93<\/h2>\n\n\n\n<p>RTMP\u5728\u4f20\u8f93\u7684\u8fc7\u7a0b\u4f1a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">\u5c06\u5927\u7684\u6d88\u606f(Message)\u4f1a\u88ab\u62c6\u5206\u6210\u5c0f\u7684\u5757(Chunk)\u8fdb\u884c\u4f20\u8f93<\/mark><br>\u591a\u4e2a\u6d88\u606f\u53ef\u4ee5\u4ea4\u9519\u4f20\u8f93\uff0c\u901a\u8fc7 chunk stream ID \u533a\u5206\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u7ef4\u6301\u7a33\u5b9a\u8fde\u7eed\u4f20\u9012<\/mark><\/strong>\uff0c\u907f\u514d\u5355\u6b21\u4f20\u8f93\u6570\u636e\u91cf\u95ee\u9898\uff0c <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u907f\u514d\u5927\u5757\u6570\u636e\u5360\u7528\u5e26\u5bbd<\/mark><\/strong>\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u5b9e\u73b0\u5c0f\u5757\u4f20\u8f93\u51cf\u5c11\u5ef6\u8fdf<\/mark><\/strong><br>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5047\u8bbe\u6211\u4eec\u540c\u65f6\u8981\u4f20\u8f93\u97f3\u9891\u548c\u89c6\u9891\u6570\u636e\uff1a\n\u89c6\u9891\u6d88\u606f(\u5927\u5c0f3000\u5b57\u8282, csid=1)\n\u97f3\u9891\u6d88\u606f(\u5927\u5c0f100\u5b57\u8282, csid=2) \n\n\u5728RTMP\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u6d88\u606f\u4f1a\u88ab\u5206\u6210\u5c0f\u5757(chunk)\u8fdb\u884c\u4f20\u8f93\uff0c\u6bd4\u5982\u6bcf\u4e2achunk\u5927\u5c0f\u4e3a128\u5b57\u8282\uff1a\n&#91;\u89c6\u9891chunk1] (csid=1, 128\u5b57\u8282)\n&#91;\u97f3\u9891chunk1] (csid=2, 100\u5b57\u8282) \n&#91;\u89c6\u9891chunk2] (csid=1, 128\u5b57\u8282)\n......\n\n\u7136\u540e\u63a5\u6536\u65b9\u89e3\u6790chunk<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u901a\u8fc7csid\u533a\u5206\u662f\u4ec0\u4e48\u6837\u7684\u6570\u636e\u6d41<\/mark><\/strong> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u518d\u53bb\u91cd\u7ec4\u5b8c\u6574\u7684\u6d88\u606f<\/mark><\/strong>\n\u8fd9\u6837\u5c31\u80fd\u907f\u514d\u5927\u89c6\u9891\u6d88\u606f\u963b\u585e\u5c0f\u7684\u97f3\u9891\u6d88\u606f \u4fdd\u8bc1\u97f3\u9891\u7684\u5b9e\u65f6\u4f20\u8f93 \u5b9e\u73b0\u66f4\u5747\u5300\u7684\u5e26\u5bbd\u4f7f\u7528 \u907f\u514d\u7a81\u53d1\u7684\u5927\u6570\u636e\u4f20\u8f93\u3002<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u27283.1 \u5757\u683c\u5f0f<\/h3>\n\n\n\n<p>\u5757Chunk\u5206\u4e3a2\u4e2a\u90e8\u5206 \u4e00\u4e2a\u662f<strong>Chunk Header<\/strong> \u4e00\u4e2a\u662f<strong>Chunk Data<\/strong><br>Chunk Header\u5305\u542b\uff1a<strong>Basic Header<\/strong>, <strong>Message Header<\/strong>, <strong>Extended Timestamp<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522160931.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"199\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250522160931.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-83\"  sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/div><\/figure>\n\n\n\n<p><code>Basic Header(\u57fa\u672c\u5934\uff0c1~3\u5b57\u8282)<\/code>:\u5305\u542bchunk stream ID(\u5757\u6d41ID)\u548cchunk type(\u5757\u7c7b\u578bfmt)\u3002<br><code>Message Header(\u6d88\u606f\u5934\uff0c0,3,7,11\u5b57\u8282)<\/code>:\u5305\u542b\u88ab\u53d1\u9001\u7684\u6d88\u606f\u4fe1\u606f\u3002<br><code>Extended Timestamp(\u6269\u5c55\u65f6\u95f4\u6233\uff0c0,4\u5b57\u8282)<\/code>:\u6269\u5c55\u65f6\u95f4\u6233\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u27283.1.1 <em>Basic Header\u57fa\u672c\u5934<\/em><\/h4>\n\n\n\n<p>\u57fa\u672c\u5934\u5305\u542b\u4e86<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u5757\u6d41ID\uff08csid\uff09<\/mark><\/strong>\u548c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>\u5757\u7c7b\u578b\uff08fmt\uff09<\/strong><\/mark><\/p>\n\n\n\n<p>\u57fa\u672c\u5934\u7684\u4f5c\u7528\uff1a \uff08<strong>\u63a7\u5236\u683c\u5f0f<\/strong>\u548c<strong>\u6d41\u6807\u8bc6<\/strong>\uff09<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6307\u793a\u5757\u7684\u7c7b\u578b(fmt)<\/li>\n\n\n\n<li>\u6807\u8bc6\u6570\u636e\u6d41(csid)<\/li>\n\n\n\n<li>\u51b3\u5b9a\u6d88\u606f\u5934MessageHeader\u7684\u683c\u5f0f(\u7531fmt\u51b3\u5b9a)<\/li>\n<\/ol>\n\n\n\n<p>\u5b83\u67093\u4e2a\u7248\u672c \u4e00\u5b57\u8282\u4e8c\u5b57\u8282\u4e09\u5b57\u8282\u7248\u672c \u5b83\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad82\u4f4d\u90fd\u662f\u5b58\u653efmt\u5b57\u6bb5<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">\u4e00\u5b57\u8282\u7248\u672c<\/mark><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  0 1 2 3 4 5 6 7\n +-+-+-+-+-+-+-+-+\n |fmt|   cs id   |\n +-+-+-+-+-+-+-+-+<\/code><\/pre>\n\n\n\n<p>\u9ad82\u4f4d\u5b58\u653efmt\u5757\u7c7b\u578b\uff0c\u4f4e6\u4f4d\u5b58\u653ecsid\u5b57\u6bb5<\/p>\n\n\n\n<p>csid\u8303\u56f4\u4e3a(2~63)\uff1a6\u4f4d\u80fd\u8868\u793a\u7684\u6570\u503c\u8303\u56f4\u4e3a\uff1a2^6 = 64\u4e2a\u6570(0-63)\uff0c\u4e0d\u8fc7csid=0\u548c1\u88ab\u4fdd\u7559\u7528\u4e8e\u89e6\u53d12\/3\u5b57\u8282\u7684\u6269\u5c55\u683c\u5f0f\uff0c\u4ee5\u652f\u6301\u66f4\u5927\u7684csid\u503c\uff0c\u6240\u4ee5csid\u8303\u56f4\u4e3a2~63<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\">\u4e8c\u5b57\u8282\u7248\u672c<\/mark><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7\n+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n|fmt|    0      |  cs id - 64   |\n+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad82\u4f4d\u5b58\u653efmt\u5757\u7c7b\u578b\uff0c\u5269\u4e0b\u7684\u4f4e6\u4f4d\u56fa\u5b9a0\u586b\u5145\u3002<br>\u7b2c\u4e8c\u4e2a\u5b57\u8282\u5b58\u653ecsid\u7684\u503c-64<br>csid\u7684\u8303\u56f4\u4e3a(64~319) <br><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">csid\u7684\u503c=\u7b2c\u4e8c\u4e2a\u5b57\u8282\u7684\u503c+64<\/mark><\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-amber-color\"><strong>\u4e09\u5b57\u8282\u7248\u672c<\/strong><\/mark><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7\n +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n |fmt|    1      |          cs id - 64           |\n +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u9ad82\u4f4d\u5b58\u653efmt\u5757\u7c7b\u578b\uff0c\u5269\u4e0b\u7684\u4f4e6\u4f4d\u56fa\u5b9a1\u586b\u5145\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u548c\u7b2c\u4e09\u4e2a\u5b57\u8282\u7ec4\u6210\u4e00\u4e2a 16 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\uff08\u5c0f\u7aef\u5e8f\uff09\uff0c\u8868\u793a\u5b9e\u9645\u7684 CSID \u503c\u51cf\u53bb 64\u3002<\/p>\n\n\n\n<p>csid\u7684\u8303\u56f4\u4e3a\uff0864~65599(64+65535)\uff09 <\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">csid\u7684\u503c=\u7b2c\u4e09\u5b57\u8282\u7684\u503c*256 + \u7b2c\u4e8c\u5b57\u8282\u7684\u503c + 64<\/mark> \uff08\u7b2c\u4e8c\u5b57\u8282\u548c\u7b2c\u4e09\u5b57\u8282\u770b\u6210\u4e00\u4e2a\u6574\u4f53\u5b58\u653ecsid-64\uff0c\u7b2c\u4e09\u5b57\u8282\u4f5c\u4e3a\u9ad88\u4f4d\u9700\u8981*256\u8fdb\u884c\u62ac\u9ad8\uff09<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u27283.1.2 Message Header\u6d88\u606f\u5934<\/h4>\n\n\n\n<p>\u6d88\u606f\u5934\u7684\u4f5c\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u643a\u5e26\u6d88\u606f\u7684\u5177\u4f53\u6d88\u606f<\/li>\n\n\n\n<li>\u6839\u636eBasicHeader\u7684fmt\u5b57\u6bb5\u51b3\u5b9a\u5305\u542b\u54ea\u4e9b\u5b57\u6bb5<\/li>\n\n\n\n<li>\u5904\u7406\u65f6\u95f4\u6233<\/li>\n<\/ul>\n\n\n\n<p><code>Message Header(\u5757\u4fe1\u606f\u5934)<\/code>\u7528\u4e8e<strong><code><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u5b58\u653e\u5b9e\u9645\u4fe1\u606f\u7684\u63cf\u8ff0\u4fe1\u606f<\/mark><\/code>\u3002<\/strong><br>\u5b83\u6709\u56db\u79cd\u4e0d\u540c\u7684\u683c\u5f0f,\u7531 Basic Header \u4e2d\u7684chunk type\u5373<code>fmt(\u5757\u7c7b\u578b)\u8fdb\u884c\u533a\u5206<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250523012012.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"265\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250523012012.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-93\"  sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250523022711.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"207\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250523022711.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-94\"  sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/div><\/figure>\n\n\n\n<p><code>timestamp( \u539f\u59cb\u65f6\u95f4\u6233):\u5360\u75283\u4e2a\u5b57\u8282<\/code><br><code>messagelength(\u6d88\u606f\u6570\u636e\u957f\u5ea6):\u5360\u75283\u4e2a\u5b57\u8282<\/code>,\u8868\u793a\u5b9e\u9645\u53d1\u9001\u7684\u6d88\u606f\u7684\u6570\u636e(\u5982\u97f3\u9891\u5e27\u3001\u89c6\u9891\u5e27\u7b49\u6570\u636e)\u7684\u957f\u5ea6,\u662f\u6574\u4e2aChunk\u7684\u957f\u5ea6<br><code>message type id(\u6d88\u606f\u7684\u7c7b\u578bid)\uff1a\u5360\u75281\u4e2a\u5b57\u8282<\/code>\uff0c\u8868\u793a\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u7684\u7c7b\u578b1\u30012\u30013\u30015\u30016:\u7528\u4e8e\u534f\u8bae\u63a7\u5236\u4fe1\u606f<br>8:\u4ee3\u8868\u97f3\u9891\u6570\u636e<br>9:\u4ee3\u8868\u89c6\u9891\u6570\u636e<br><code>message stream id(\u4fe1\u606f\u6d41id):\u5360\u75284\u4e2a\u5b57\u8282<\/code>\u8868\u793a\u8be5chunk\u6240\u642d\u8f7d\u7684\u4fe1\u606f\u6240\u5728\u7684\u4fe1\u606f\u6d41\u7684ID<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u27283.1.3 Extended Timestamp\u6269\u5c55\u65f6\u95f4\u6233<\/h4>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u65f6\u95f4\u6233\u7684\u6982\u5ff5<\/mark><\/strong><\/p>\n\n\n\n<p>\u65f6\u95f4\u6233\u4e3b\u8981\u7528\u4e8e<em><strong>\u97f3\u89c6\u9891\u540c\u6b65\u70b9<\/strong> <\/em>\u6216\u8005 <strong><em>\u64ad\u653e\u63a7\u5236<\/em><\/strong>\u7b49<\/p>\n\n\n\n<p>\u65f6\u95f4\u6233\u5206\u7c7b\uff1a<br>\u76f8\u5bf9\u65f6\u95f4\u6233 \u5185\u90e8\u65f6\u95f4\u6233 \u6269\u5c55\u65f6\u95f4\u6233<\/p>\n\n\n\n<p><strong>\u76f8\u5bf9\u65f6\u95f4\u6233<\/strong>\uff1a\u8868\u793a\u5f53\u524d\u6570\u636e\u5305\u4e0e\u524d\u4e00\u4e2a\u6570\u636e\u5305\u7684\u65f6\u95f4\u5dee<br><strong>\u5185\u90e8\u65f6\u95f4\u6233<\/strong>: \u8bb0\u5f55\u5b9e\u9645\u7684\u64ad\u653e\u65f6\u95f4\u70b9 \u7528\u4e8e\u5185\u90e8\u65f6\u95f4\u540c\u6b65\u548c\u64ad\u653e\u63a7\u5236 \u901a\u8fc7\u7d2f\u52a0\u76f8\u5bf9\u65f6\u95f4\u6233\u5f97\u5230<br><strong>Extended Timestamp\u6269\u5c55\u65f6\u95f4\u6233<\/strong>:\u7528\u4e8e\u6269\u5c55 Message Header \u4e2d\u65f6\u95f4\u6233\u7684\u8868\u793a\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u76f8\u5bf9\u65f6\u95f4\u6233\u8d85\u8fc716777215(\u7ea64.66\u5c0f\u65f6)\u65f6\u4f7f\u7528<\/li>\n\n\n\n<li>\u63d0\u4f9b\u66f4\u5927\u7684\u65f6\u95f4\u6233\u8303\u56f4<\/li>\n<\/ul>\n\n\n\n<p>\u4ee3\u7801\u4e2d\u7684\u4f53\u73b0\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250527203942.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"517\" height=\"318\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250527203942.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-95\"  sizes=\"auto, (max-width: 517px) 100vw, 517px\" \/><\/div><\/figure>\n\n\n\n<p>\u6269\u5c55\u65f6\u95f4\u6233\u5b9e\u9645\u4f7f\u7528\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250527204126.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"516\" height=\"214\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/Pasted-image-20250527204126.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-96\"  sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/div><\/figure>\n\n\n\n<p>\u539f\u6709\u7684\u65f6\u95f4\u6233\u6570\u7ec4\u53ea\u80fd\u4fdd\u5b583\u5b57\u8282\u7684\u6570\u636e \u5927\u6982\u662f4.6\u5c0f\u65f6<br>\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u7528\u5230\u6269\u5c55\u65f6\u95f4\u6233<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u27283.2 \u5206\u5757\u4f20\u8f93\u6838\u5fc3\u51fd\u6570<\/h3>\n\n\n\n<p>\u5305\u542b<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">Chunk\u7684\u521b\u5efa\u53d1\u9001<\/mark><\/strong>\u548c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u89e3\u6790\u5757\u8fdb\u884c\u6d88\u606f\u91cd\u7ec4<\/mark><\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u27283.2.1 CreateChunk()<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>int RtmpChunk::CreateChunk(uint32_t csid, RtmpMessage &amp;in_msg, char *buf, uint32_t buf_size)<\/code><\/pre>\n\n\n\n<p>\u8d1f\u8d23\u5904\u7406RTMP\u4e2d\u6570\u636e\u5757\u4f20\u8f93 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">\u5c06\u4f20\u6765\u7684RtmpMessage\u5927\u6d88\u606f\u5206\u5272\u4e3a\u5c0f\u5757\uff08chunk\uff09\u8fdb\u884c\u9ad8\u6548\u7f51\u7edc\u4f20\u8f93<\/mark><\/strong>\uff0c\u652f\u6301\u6d41\u5f0f\u5904\u7406\u548c\u5e26\u5bbd\u63a7\u5236<\/p>\n\n\n\n<p>\u4f1a\u5148\u53bb\u521b\u5efa\u7b2c\u4e00\u4e2aChunk(\u6784\u9020BasicHeader\u7684\u65f6\u5019\u91c7\u7528fmt0\u8868\u793a\u540e\u9762\u7684MessageHeader\u5c06\u91c7\u752811\u5b57\u8282\u7684\u5b8c\u6574\u5934\u90e8\uff0c\u6574\u4f53\u5305\u542b\u65f6\u95f4\u6233\u3001\u6d88\u606f\u957f\u5ea6\u3001\u7c7b\u578bID\u548c\u6d41ID\u7b49\u5b8c\u6574\u5143\u6570\u636e)\uff0c\u521b\u5efa\u57fa\u672c\u5934\u548c\u6d88\u606f\u5934\uff0c\u4ee5\u53ca\u5904\u7406\u6269\u5c55\u65f6\u95f4\u6233<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"825\" height=\"345\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-99\"  sizes=\"auto, (max-width: 825px) 100vw, 825px\" \/><\/div><\/figure>\n\n\n\n<p>\u540e\u7eed\u7684\u5757\u4f7f\u7528fmt=3\u683c\u5f0f\uff08\u4ec51\u5b57\u8282\u5934\u90e8\uff09\uff0c\u8868\u793a\u81ea\u52a8\u590d\u7528\u524d\u4e00\u4e2a\u5757\u7684\u5934\u90e8\u4fe1\u606f<\/p>\n\n\n\n<p>\u8fd9\u6837\u7684\u597d\u5904\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u91cd\u590d\u5934\u90e8\u4fe1\u606f\u7684\u4f20\u8f93<\/li>\n\n\n\n<li>\u63d0\u9ad8\u5e26\u5bbd\u5229\u7528\u6548\u7387<\/li>\n\n\n\n<li>\u4fdd\u6301\u6570\u636e\u7684\u8fde\u7eed\u6027<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image-2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"675\" height=\"367\" data-original=\"http:\/\/www.fishq.top\/wp-content\/uploads\/2025\/03\/image-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-100\"  sizes=\"auto, (max-width: 675px) 100vw, 675px\" \/><\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2025.7.10\ud83d\udc31 \u4e00\u3001RTMP\u6982\u8ff0 RTMP\u4ea4\u4e92\u8fc7\u7a0b\uff1a \u4e8c\u3001\u63e1\u624b\u8bbe\u8ba1 RTMP\u63e1\u624b\u8fc7\u7a0b \u63e1\u624b\u4e4b\u524d\u5148\u5efa\u7acbTC 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