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localstream.html

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  1. <!doctype html>
    2. 

  2. <html class="default no-js">
    3. 

  3. <head>
    4. 

  4. 	<meta charset="utf-8">
    5. 

  5. 	<meta http-equiv="X-UA-Compatible" content="IE=edge">
    6. 

  6. 	<title>LocalStream | @urtc/sdk-web</title>
    7. 

  7. 	<meta name="description" content="Documentation for @urtc/sdk-web">
    8. 

  8. 	<meta name="viewport" content="width=device-width, initial-scale=1">
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  9. 	<link rel="stylesheet" href="../assets/css/main.css">
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  10. 	<script async src="../assets/js/search.js" id="search-script"></script>
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  11. </head>
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  12. <body>
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    18. 

  18. 					<div class="field">
    19. 

  19. 						<label for="tsd-search-field" class="tsd-widget search no-caption">Search</label>
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  23. 						<li class="state loading">Preparing search index...</li>
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  26. 					<a href="../index.html" class="title">@urtc/sdk-web</a>
    27. 

  27. 				</div>
    28. 

  28. 				<div class="table-cell" id="tsd-widgets">
    29. 

  29. 					<div id="tsd-filter">
    30. 

  30. 						<a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a>
    31. 

  31. 						<div class="tsd-filter-group">
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  32. 							<div class="tsd-select" id="tsd-filter-visibility">
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  33. 								<span class="tsd-select-label">All</span>
    34. 

  34. 								<ul class="tsd-select-list">
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  35. 									<li data-value="public">Public</li>
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  36. 									<li data-value="protected">Public/Protected</li>
    37. 

  37. 									<li data-value="private" class="selected">All</li>
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  39. 							</div>
    40. 

  40. 							<input type="checkbox" id="tsd-filter-inherited" checked />
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  41. 							<label class="tsd-widget" for="tsd-filter-inherited">Inherited</label>
    42. 

  42. 							<input type="checkbox" id="tsd-filter-externals" checked />
    43. 

  43. 							<label class="tsd-widget" for="tsd-filter-externals">Externals</label>
    44. 

  44. 						</div>
    45. 

  45. 					</div>
    46. 

  46. 					<a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a>
    47. 

  47. 				</div>
    48. 

  48. 			</div>
    49. 

  49. 		</div>
    50. 

  50. 	</div>
    51. 

  51. 	<div class="tsd-page-title">
    52. 

  52. 		<div class="container">
    53. 

  53. 			<ul class="tsd-breadcrumb">
    54. 

  54. 				<li>
    55. 

  55. 					<a href="../index.html">@urtc/sdk-web</a>
    56. 

  56. 				</li>
    57. 

  57. 				<li>
    58. 

  58. 					<a href="localstream.html">LocalStream</a>
    59. 

  59. 				</li>
    60. 

  60. 			</ul>
    61. 

  61. 			<h1>Class LocalStream</h1>
    62. 

  62. 		</div>
    63. 

  63. 	</div>
    64. 

  64. </header>
    65. 

  65. <div class="container container-main">
    66. 

  66. 	<div class="row">
    67. 

  67. 		<div class="col-8 col-content">
    68. 

  68. 			<section class="tsd-panel tsd-comment">
    69. 

  69. 				<div class="tsd-comment tsd-typography">
    70. 

  70. 					<div class="lead">
    71. 

  71. 						<p>本地流，可用于本地预览，也可用 client 进行发布</p>
    72. 

  72. 					</div>
    73. 

  73. 				</div>
    74. 

  74. 			</section>
    75. 

  75. 			<section class="tsd-panel tsd-hierarchy">
    76. 

  76. 				<h3>Hierarchy</h3>
    77. 

  77. 				<ul class="tsd-hierarchy">
    78. 

  78. 					<li>
    79. 

  79. 						<a href="stream.html" class="tsd-signature-type" data-tsd-kind="Class">Stream</a>
    80. 

  80. 						<ul class="tsd-hierarchy">
    81. 

  81. 							<li>
    82. 

  82. 								<span class="target">LocalStream</span>
    83. 

  83. 							</li>
    84. 

  84. 						</ul>
    85. 

  85. 					</li>
    86. 

  86. 				</ul>
    87. 

  87. 			</section>
    88. 

  88. 			<section class="tsd-panel-group tsd-index-group">
    89. 

  89. 				<h2>Index</h2>
    90. 

  90. 				<section class="tsd-panel tsd-index-panel">
    91. 

  91. 					<div class="tsd-index-content">
    92. 

  92. 						<section class="tsd-index-section tsd-is-inherited">
    93. 

  93. 							<h3>Properties</h3>
    94. 

  94. 							<ul class="tsd-index-list">
    95. 

  95. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#audiomuted" class="tsd-kind-icon">audio<wbr>Muted</a></li>
    96. 

  96. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#id" class="tsd-kind-icon">id</a></li>
    97. 

  97. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#islocal" class="tsd-kind-icon">is<wbr>Local</a></li>
    98. 

  98. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#mediastream" class="tsd-kind-icon">media<wbr>Stream</a></li>
    99. 

  99. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#userid" class="tsd-kind-icon">user<wbr>Id</a></li>
    100. 

  100. 								<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#videomuted" class="tsd-kind-icon">video<wbr>Muted</a></li>
    101. 

  101. 							</ul>
    102. 

  102. 						</section>
    103. 

  103. 						<section class="tsd-index-section ">
    104. 

  104. 							<h3>Methods</h3>
    105. 

  105. 							<ul class="tsd-index-list">
    106. 

  106. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#addtrack" class="tsd-kind-icon">add<wbr>Track</a></li>
    107. 

  107. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#destroy" class="tsd-kind-icon">destroy</a></li>
    108. 

  108. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#getaudiolevel" class="tsd-kind-icon">get<wbr>Audio<wbr>Level</a></li>
    109. 

  109. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#getmediatype" class="tsd-kind-icon">get<wbr>Media<wbr>Type</a></li>
    110. 

  110. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#getstats" class="tsd-kind-icon">get<wbr>Stats</a></li>
    111. 

  111. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-overwrite"><a href="localstream.html#hasaudio" class="tsd-kind-icon">has<wbr>Audio</a></li>
    112. 

  112. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-overwrite"><a href="localstream.html#hasvideo" class="tsd-kind-icon">has<wbr>Video</a></li>
    113. 

  113. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#init" class="tsd-kind-icon">init</a></li>
    114. 

  114. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#muteaudio" class="tsd-kind-icon">mute<wbr>Audio</a></li>
    115. 

  115. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#mutevideo" class="tsd-kind-icon">mute<wbr>Video</a></li>
    116. 

  116. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="localstream.html#off" class="tsd-kind-icon">off</a></li>
    117. 

  117. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited"><a href="localstream.html#on" class="tsd-kind-icon">on</a></li>
    118. 

  118. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#play" class="tsd-kind-icon">play</a></li>
    119. 

  119. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#removetrack" class="tsd-kind-icon">remove<wbr>Track</a></li>
    120. 

  120. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#replacetrack" class="tsd-kind-icon">replace<wbr>Track</a></li>
    121. 

  121. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#resume" class="tsd-kind-icon">resume</a></li>
    122. 

  122. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#setaudiolevel" class="tsd-kind-icon">set<wbr>Audio<wbr>Level</a></li>
    123. 

  123. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#setscreenprofile" class="tsd-kind-icon">set<wbr>Screen<wbr>Profile</a></li>
    124. 

  124. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#setvideoprofile" class="tsd-kind-icon">set<wbr>Video<wbr>Profile</a></li>
    125. 

  125. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#snapshot" class="tsd-kind-icon">snapshot</a></li>
    126. 

  126. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#stop" class="tsd-kind-icon">stop</a></li>
    127. 

  127. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#switchdevice" class="tsd-kind-icon">switch<wbr>Device</a></li>
    128. 

  128. 								<li class="tsd-kind-method tsd-parent-kind-class"><a href="localstream.html#switchimage" class="tsd-kind-icon">switch<wbr>Image</a></li>
    129. 

  129. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#unmuteaudio" class="tsd-kind-icon">unmute<wbr>Audio</a></li>
    130. 

  130. 								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><a href="localstream.html#unmutevideo" class="tsd-kind-icon">unmute<wbr>Video</a></li>
    131. 

  131. 							</ul>
    132. 

  132. 						</section>
    133. 

  133. 					</div>
    134. 

  134. 				</section>
    135. 

  135. 			</section>
    136. 

  136. 			<section class="tsd-panel-group tsd-member-group tsd-is-inherited">
    137. 

  137. 				<h2>Properties</h2>
    138. 

  138. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    139. 

  139. 					<a name="audiomuted" class="tsd-anchor"></a>
    140. 

  140. 					<h3>audio<wbr>Muted</h3>
    141. 

  141. 					<div class="tsd-signature tsd-kind-icon">audio<wbr>Muted<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = false</span></div>
    142. 

  142. 					<aside class="tsd-sources">
    143. 

  143. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#audiomuted">audioMuted</a></p>
    144. 

  144. 					</aside>
    145. 

  145. 					<div class="tsd-comment tsd-typography">
    146. 

  146. 						<div class="lead">
    147. 

  147. 							<p>当前流是否 mute 了音频</p>
    148. 

  148. 						</div>
    149. 

  149. 					</div>
    150. 

  150. 				</section>
    151. 

  151. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    152. 

  152. 					<a name="id" class="tsd-anchor"></a>
    153. 

  153. 					<h3>id</h3>
    154. 

  154. 					<div class="tsd-signature tsd-kind-icon">id<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
    155. 

  155. 					<aside class="tsd-sources">
    156. 

  156. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#id">id</a></p>
    157. 

  157. 					</aside>
    158. 

  158. 					<div class="tsd-comment tsd-typography">
    159. 

  159. 						<div class="lead">
    160. 

  160. 							<p>当前流ID</p>
    161. 

  161. 						</div>
    162. 

  162. 					</div>
    163. 

  163. 				</section>
    164. 

  164. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    165. 

  165. 					<a name="islocal" class="tsd-anchor"></a>
    166. 

  166. 					<h3><span class="tsd-flag ts-flagReadonly">Readonly</span> is<wbr>Local</h3>
    167. 

  167. 					<div class="tsd-signature tsd-kind-icon">is<wbr>Local<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span></div>
    168. 

  168. 					<aside class="tsd-sources">
    169. 

  169. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#islocal">isLocal</a></p>
    170. 

  170. 					</aside>
    171. 

  171. 					<div class="tsd-comment tsd-typography">
    172. 

  172. 						<div class="lead">
    173. 

  173. 							<p>是否为本地流</p>
    174. 

  174. 						</div>
    175. 

  175. 					</div>
    176. 

  176. 				</section>
    177. 

  177. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    178. 

  178. 					<a name="mediastream" class="tsd-anchor"></a>
    179. 

  179. 					<h3><span class="tsd-flag ts-flagReadonly">Readonly</span> media<wbr>Stream</h3>
    180. 

  180. 					<div class="tsd-signature tsd-kind-icon">media<wbr>Stream<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">MediaStream</span></div>
    181. 

  181. 					<aside class="tsd-sources">
    182. 

  182. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#mediastream">mediaStream</a></p>
    183. 

  183. 					</aside>
    184. 

  184. 					<div class="tsd-comment tsd-typography">
    185. 

  185. 						<div class="lead">
    186. 

  186. 							<p>当前流包含的媒体流，关于媒体流，请详见 <a href="https://developer.mozilla.org/en-US/docs/Web/API/MediaStream">MediaStream</a>。</p>
    187. 

  187. 						</div>
    188. 

  188. 					</div>
    189. 

  189. 				</section>
    190. 

  190. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    191. 

  191. 					<a name="userid" class="tsd-anchor"></a>
    192. 

  192. 					<h3>user<wbr>Id</h3>
    193. 

  193. 					<div class="tsd-signature tsd-kind-icon">user<wbr>Id<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
    194. 

  194. 					<aside class="tsd-sources">
    195. 

  195. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#userid">userId</a></p>
    196. 

  196. 					</aside>
    197. 

  197. 					<div class="tsd-comment tsd-typography">
    198. 

  198. 						<div class="lead">
    199. 

  199. 							<p>当前流所属用户的ID
    200. 

  200. 							注：若创建本地流时指定的 userId 与 join 时指定的 userId 不同，那么发布本条流时，流的 userId 将会自动被自动更新为 join 时指定的 userId</p>
    201. 

  201. 						</div>
    202. 

  202. 					</div>
    203. 

  203. 				</section>
    204. 

  204. 				<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    205. 

  205. 					<a name="videomuted" class="tsd-anchor"></a>
    206. 

  206. 					<h3>video<wbr>Muted</h3>
    207. 

  207. 					<div class="tsd-signature tsd-kind-icon">video<wbr>Muted<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = false</span></div>
    208. 

  208. 					<aside class="tsd-sources">
    209. 

  209. 						<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#videomuted">videoMuted</a></p>
    210. 

  210. 					</aside>
    211. 

  211. 					<div class="tsd-comment tsd-typography">
    212. 

  212. 						<div class="lead">
    213. 

  213. 							<p>当前流是否 mute 了视频</p>
    214. 

  214. 						</div>
    215. 

  215. 					</div>
    216. 

  216. 				</section>
    217. 

  217. 			</section>
    218. 

  218. 			<section class="tsd-panel-group tsd-member-group ">
    219. 

  219. 				<h2>Methods</h2>
    220. 

  220. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    221. 

  221. 					<a name="addtrack" class="tsd-anchor"></a>
    222. 

  222. 					<h3>add<wbr>Track</h3>
    223. 

  223. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    224. 

  224. 						<li class="tsd-signature tsd-kind-icon">add<wbr>Track<span class="tsd-signature-symbol">(</span>track<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MediaStreamTrack</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    225. 

  225. 					</ul>
    226. 

  226. 					<ul class="tsd-descriptions">
    227. 

  227. 						<li class="tsd-description">
    228. 

  228. 							<aside class="tsd-sources">
    229. 

  229. 							</aside>
    230. 

  230. 							<div class="tsd-comment tsd-typography">
    231. 

  231. 								<div class="lead">
    232. 

  232. 									<p>添加一条媒体轨道（音轨或视轨）到当前流</p>
    233. 

  233. 									<blockquote>
    234. 

  234. 										<p>注：</p>
    235. 

  235. 										<ol>
    236. 

  236. 											<li>若创建本地流时，audio 为 false，不可添加音轨，video 为 false 时，不可添加视轨</li>
    237. 

  237. 										</ol>
    238. 

  238. 									</blockquote>
    239. 

  239. 								</div>
    240. 

  240. 								<dl class="tsd-comment-tags">
    241. 

  241. 									<dt>example</dt>
    242. 

  242. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">addTrack</span><span style="color: #000000">(</span><span style="color: #001080">track</span><span style="color: #000000">);</span>
    243. 

  243. </code></pre>
    244. 

  244. 									</dd>
    245. 

  245. 								</dl>
    246. 

  246. 							</div>
    247. 

  247. 							<h4 class="tsd-parameters-title">Parameters</h4>
    248. 

  248. 							<ul class="tsd-parameters">
    249. 

  249. 								<li>
    250. 

  250. 									<h5>track: <span class="tsd-signature-type">MediaStreamTrack</span></h5>
    251. 

  251. 									<div class="tsd-comment tsd-typography">
    252. 

  252. 										<p>媒体轨道</p>
    253. 

  253. 									</div>
    254. 

  254. 								</li>
    255. 

  255. 							</ul>
    256. 

  256. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    257. 

  257. 						</li>
    258. 

  258. 					</ul>
    259. 

  259. 				</section>
    260. 

  260. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    261. 

  261. 					<a name="destroy" class="tsd-anchor"></a>
    262. 

  262. 					<h3>destroy</h3>
    263. 

  263. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    264. 

  264. 						<li class="tsd-signature tsd-kind-icon">destroy<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    265. 

  265. 					</ul>
    266. 

  266. 					<ul class="tsd-descriptions">
    267. 

  267. 						<li class="tsd-description">
    268. 

  268. 							<aside class="tsd-sources">
    269. 

  269. 							</aside>
    270. 

  270. 							<div class="tsd-comment tsd-typography">
    271. 

  271. 								<div class="lead">
    272. 

  272. 									<p>销毁当前流，一般在本地流不再被使用时，可调用此方法销毁，解除摄像头或麦克风设备的占用。</p>
    273. 

  273. 								</div>
    274. 

  274. 								<dl class="tsd-comment-tags">
    275. 

  275. 									<dt>example</dt>
    276. 

  276. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">destroy</span><span style="color: #000000">();</span>
    277. 

  277. </code></pre>
    278. 

  278. 									</dd>
    279. 

  279. 								</dl>
    280. 

  280. 							</div>
    281. 

  281. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    282. 

  282. 						</li>
    283. 

  283. 					</ul>
    284. 

  284. 				</section>
    285. 

  285. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    286. 

  286. 					<a name="getaudiolevel" class="tsd-anchor"></a>
    287. 

  287. 					<h3>get<wbr>Audio<wbr>Level</h3>
    288. 

  288. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    289. 

  289. 						<li class="tsd-signature tsd-kind-icon">get<wbr>Audio<wbr>Level<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li>
    290. 

  290. 					</ul>
    291. 

  291. 					<ul class="tsd-descriptions">
    292. 

  292. 						<li class="tsd-description">
    293. 

  293. 							<aside class="tsd-sources">
    294. 

  294. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#getaudiolevel">getAudioLevel</a></p>
    295. 

  295. 							</aside>
    296. 

  296. 							<div class="tsd-comment tsd-typography">
    297. 

  297. 								<div class="lead">
    298. 

  298. 									<p>获取当前流的音量大小，只有当本地流或远端流中有音频数据才有效。</p>
    299. 

  299. 								</div>
    300. 

  300. 								<dl class="tsd-comment-tags">
    301. 

  301. 									<dt>example</dt>
    302. 

  302. 									<dd><pre><code class="language-js"><span style="color: #795E26">setInterval</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    303. 

  303. <span style="color: #000000">  </span><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">level</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">getAudioLevel</span><span style="color: #000000">();</span>
    304. 

  304. <span style="color: #000000">  </span><span style="color: #AF00DB">if</span><span style="color: #000000"> (</span><span style="color: #001080">level</span><span style="color: #000000"> &gt; </span><span style="color: #098658">0</span><span style="color: #000000">) {</span>
    305. 

  305. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`user </span><span style="color: #0000FF">${</span><span style="color: #001080">stream</span><span style="color: #000000FF">.</span><span style="color: #001080">userId</span><span style="color: #0000FF">}</span><span style="color: #A31515"> is speaking`</span><span style="color: #000000">);</span>
    306. 

  306. <span style="color: #000000">  }</span>
    307. 

  307. <span style="color: #000000">}, </span><span style="color: #098658">200</span><span style="color: #000000">);</span>
    308. 

  308. </code></pre>
    309. 

  309. 									</dd>
    310. 

  310. 								</dl>
    311. 

  311. 							</div>
    312. 

  312. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4>
    313. 

  313. 						</li>
    314. 

  314. 					</ul>
    315. 

  315. 				</section>
    316. 

  316. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    317. 

  317. 					<a name="getmediatype" class="tsd-anchor"></a>
    318. 

  318. 					<h3>get<wbr>Media<wbr>Type</h3>
    319. 

  319. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    320. 

  320. 						<li class="tsd-signature tsd-kind-icon">get<wbr>Media<wbr>Type<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../index.html#mediatype" class="tsd-signature-type" data-tsd-kind="Type alias">MediaType</a></li>
    321. 

  321. 					</ul>
    322. 

  322. 					<ul class="tsd-descriptions">
    323. 

  323. 						<li class="tsd-description">
    324. 

  324. 							<aside class="tsd-sources">
    325. 

  325. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#getmediatype">getMediaType</a></p>
    326. 

  326. 							</aside>
    327. 

  327. 							<div class="tsd-comment tsd-typography">
    328. 

  328. 								<div class="lead">
    329. 

  329. 									<p>获取流的媒体类型</p>
    330. 

  330. 								</div>
    331. 

  331. 								<dl class="tsd-comment-tags">
    332. 

  332. 									<dt>example</dt>
    333. 

  333. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">type</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">getMediaType</span><span style="color: #000000">();</span>
    334. 

  334. </code></pre>
    335. 

  335. 									</dd>
    336. 

  336. 								</dl>
    337. 

  337. 							</div>
    338. 

  338. 							<h4 class="tsd-returns-title">Returns <a href="../index.html#mediatype" class="tsd-signature-type" data-tsd-kind="Type alias">MediaType</a></h4>
    339. 

  339. 						</li>
    340. 

  340. 					</ul>
    341. 

  341. 				</section>
    342. 

  342. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    343. 

  343. 					<a name="getstats" class="tsd-anchor"></a>
    344. 

  344. 					<h3>get<wbr>Stats</h3>
    345. 

  345. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    346. 

  346. 						<li class="tsd-signature tsd-kind-icon">get<wbr>Stats<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../interfaces/streamstats.html" class="tsd-signature-type" data-tsd-kind="Interface">StreamStats</a><span class="tsd-signature-symbol">&gt;</span></li>
    347. 

  347. 					</ul>
    348. 

  348. 					<ul class="tsd-descriptions">
    349. 

  349. 						<li class="tsd-description">
    350. 

  350. 							<aside class="tsd-sources">
    351. 

  351. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#getstats">getStats</a></p>
    352. 

  352. 							</aside>
    353. 

  353. 							<div class="tsd-comment tsd-typography">
    354. 

  354. 								<div class="lead">
    355. 

  355. 									<p>获取流发布或订阅后的统计数据</p>
    356. 

  356. 								</div>
    357. 

  357. 								<dl class="tsd-comment-tags">
    358. 

  358. 									<dt>example</dt>
    359. 

  359. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span>
    360. 

  360. <span style="color: #000000">  .</span><span style="color: #795E26">getStats</span><span style="color: #000000">()</span>
    361. 

  361. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">((</span><span style="color: #001080">stats</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    362. 

  362. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;当前流的统计数据为: &#039;</span><span style="color: #000000">, </span><span style="color: #001080">stats</span><span style="color: #000000">);</span>
    363. 

  363. <span style="color: #000000">  });</span>
    364. 

  364. </code></pre>
    365. 

  365. 									</dd>
    366. 

  366. 								</dl>
    367. 

  367. 							</div>
    368. 

  368. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a href="../interfaces/streamstats.html" class="tsd-signature-type" data-tsd-kind="Interface">StreamStats</a><span class="tsd-signature-symbol">&gt;</span></h4>
    369. 

  369. 						</li>
    370. 

  370. 					</ul>
    371. 

  371. 				</section>
    372. 

  372. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    373. 

  373. 					<a name="hasaudio" class="tsd-anchor"></a>
    374. 

  374. 					<h3>has<wbr>Audio</h3>
    375. 

  375. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    376. 

  376. 						<li class="tsd-signature tsd-kind-icon">has<wbr>Audio<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    377. 

  377. 					</ul>
    378. 

  378. 					<ul class="tsd-descriptions">
    379. 

  379. 						<li class="tsd-description">
    380. 

  380. 							<aside class="tsd-sources">
    381. 

  381. 								<p>Overrides <a href="stream.html">Stream</a>.<a href="stream.html#hasaudio">hasAudio</a></p>
    382. 

  382. 							</aside>
    383. 

  383. 							<div class="tsd-comment tsd-typography">
    384. 

  384. 								<div class="lead">
    385. 

  385. 									<p>判断当前流是否有音频</p>
    386. 

  386. 								</div>
    387. 

  387. 								<dl class="tsd-comment-tags">
    388. 

  388. 									<dt>example</dt>
    389. 

  389. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">hasAudio</span><span style="color: #000000">();</span>
    390. 

  390. </code></pre>
    391. 

  391. 									</dd>
    392. 

  392. 								</dl>
    393. 

  393. 							</div>
    394. 

  394. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    395. 

  395. 						</li>
    396. 

  396. 					</ul>
    397. 

  397. 				</section>
    398. 

  398. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    399. 

  399. 					<a name="hasvideo" class="tsd-anchor"></a>
    400. 

  400. 					<h3>has<wbr>Video</h3>
    401. 

  401. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    402. 

  402. 						<li class="tsd-signature tsd-kind-icon">has<wbr>Video<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    403. 

  403. 					</ul>
    404. 

  404. 					<ul class="tsd-descriptions">
    405. 

  405. 						<li class="tsd-description">
    406. 

  406. 							<aside class="tsd-sources">
    407. 

  407. 								<p>Overrides <a href="stream.html">Stream</a>.<a href="stream.html#hasvideo">hasVideo</a></p>
    408. 

  408. 							</aside>
    409. 

  409. 							<div class="tsd-comment tsd-typography">
    410. 

  410. 								<div class="lead">
    411. 

  411. 									<p>判断当前流是否有视频</p>
    412. 

  412. 								</div>
    413. 

  413. 								<dl class="tsd-comment-tags">
    414. 

  414. 									<dt>example</dt>
    415. 

  415. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">hasVideo</span><span style="color: #000000">();</span>
    416. 

  416. </code></pre>
    417. 

  417. 									</dd>
    418. 

  418. 								</dl>
    419. 

  419. 							</div>
    420. 

  420. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    421. 

  421. 						</li>
    422. 

  422. 					</ul>
    423. 

  423. 				</section>
    424. 

  424. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    425. 

  425. 					<a name="init" class="tsd-anchor"></a>
    426. 

  426. 					<h3>init</h3>
    427. 

  427. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    428. 

  428. 						<li class="tsd-signature tsd-kind-icon">init<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    429. 

  429. 					</ul>
    430. 

  430. 					<ul class="tsd-descriptions">
    431. 

  431. 						<li class="tsd-description">
    432. 

  432. 							<aside class="tsd-sources">
    433. 

  433. 							</aside>
    434. 

  434. 							<div class="tsd-comment tsd-typography">
    435. 

  435. 								<div class="lead">
    436. 

  436. 									<p>初始化本地流对象，将读取麦克风、摄像头、屏幕共享等来初始化媒体流</p>
    437. 

  437. 								</div>
    438. 

  438. 								<dl class="tsd-comment-tags">
    439. 

  439. 									<dt>example</dt>
    440. 

  440. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">stream</span><span style="color: #000000"> = </span><span style="color: #795E26">createStream</span><span style="color: #000000">({</span><span style="color: #001080">audio:</span><span style="color: #000000"> </span><span style="color: #0000FF">true</span><span style="color: #000000">, </span><span style="color: #001080">video:</span><span style="color: #000000"> </span><span style="color: #0000FF">true</span><span style="color: #000000">, </span><span style="color: #001080">screen:</span><span style="color: #000000"> </span><span style="color: #0000FF">false</span><span style="color: #000000">});</span>
    441. 

  441. <span style="color: #001080">stream</span>
    442. 

  442. <span style="color: #000000">  .</span><span style="color: #795E26">init</span><span style="color: #000000">()</span>
    443. 

  443. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    444. 

  444. <span style="color: #000000">    </span><span style="color: #001080">client</span><span style="color: #000000">.</span><span style="color: #795E26">publish</span><span style="color: #000000">(</span><span style="color: #001080">stream</span><span style="color: #000000">); </span><span style="color: #008000">// 发布本地流</span>
    445. 

  445. <span style="color: #000000">  })</span>
    446. 

  446. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    447. 

  447. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`初始化本地流失败 </span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    448. 

  448. <span style="color: #000000">  })</span>
    449. 

  449. </code></pre>
    450. 

  450. 									</dd>
    451. 

  451. 								</dl>
    452. 

  452. 							</div>
    453. 

  453. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    454. 

  454. 						</li>
    455. 

  455. 					</ul>
    456. 

  456. 				</section>
    457. 

  457. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    458. 

  458. 					<a name="muteaudio" class="tsd-anchor"></a>
    459. 

  459. 					<h3>mute<wbr>Audio</h3>
    460. 

  460. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    461. 

  461. 						<li class="tsd-signature tsd-kind-icon">mute<wbr>Audio<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    462. 

  462. 					</ul>
    463. 

  463. 					<ul class="tsd-descriptions">
    464. 

  464. 						<li class="tsd-description">
    465. 

  465. 							<aside class="tsd-sources">
    466. 

  466. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#muteaudio">muteAudio</a></p>
    467. 

  467. 							</aside>
    468. 

  468. 							<div class="tsd-comment tsd-typography">
    469. 

  469. 								<div class="lead">
    470. 

  470. 									<p>mute 当前流的音频</p>
    471. 

  471. 									<ul>
    472. 

  472. 										<li>本地流调用此方法时，将不向服务器推送音频数据，远端用户将收到 <code>mute-audio</code> 的事件通知</li>
    473. 

  473. 										<li>远端流调用此方法时，仅为不从服务器拉取音频数据，并无事件通知远端用户</li>
    474. 

  474. 									</ul>
    475. 

  475. 								</div>
    476. 

  476. 								<dl class="tsd-comment-tags">
    477. 

  477. 									<dt>example</dt>
    478. 

  478. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">muteAudio</span><span style="color: #000000">();</span>
    479. 

  479. <span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`stream&#039;s audio is muted </span><span style="color: #0000FF">${</span><span style="color: #001080">stream</span><span style="color: #000000FF">.</span><span style="color: #001080">audioMuted</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    480. 

  480. </code></pre>
    481. 

  481. 									</dd>
    482. 

  482. 								</dl>
    483. 

  483. 							</div>
    484. 

  484. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    485. 

  485. 							<p>操作是否成功</p>
    486. 

  486. 						</li>
    487. 

  487. 					</ul>
    488. 

  488. 				</section>
    489. 

  489. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    490. 

  490. 					<a name="mutevideo" class="tsd-anchor"></a>
    491. 

  491. 					<h3>mute<wbr>Video</h3>
    492. 

  492. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    493. 

  493. 						<li class="tsd-signature tsd-kind-icon">mute<wbr>Video<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    494. 

  494. 					</ul>
    495. 

  495. 					<ul class="tsd-descriptions">
    496. 

  496. 						<li class="tsd-description">
    497. 

  497. 							<aside class="tsd-sources">
    498. 

  498. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#mutevideo">muteVideo</a></p>
    499. 

  499. 							</aside>
    500. 

  500. 							<div class="tsd-comment tsd-typography">
    501. 

  501. 								<div class="lead">
    502. 

  502. 									<p>mute 当前流的视频</p>
    503. 

  503. 									<ul>
    504. 

  504. 										<li>本地流调用此方法时，将不向服务器推送视频数据，远端用户将收到 <code>mute-video</code> 的事件通知</li>
    505. 

  505. 										<li>远端流调用此方法时，仅为不从服务器拉取视频数据，并无事件通知远端用户</li>
    506. 

  506. 									</ul>
    507. 

  507. 								</div>
    508. 

  508. 								<dl class="tsd-comment-tags">
    509. 

  509. 									<dt>example</dt>
    510. 

  510. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">muteVideo</span><span style="color: #000000">();</span>
    511. 

  511. <span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`stream&#039;s video is muted </span><span style="color: #0000FF">${</span><span style="color: #001080">stream</span><span style="color: #000000FF">.</span><span style="color: #001080">videoMuted</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    512. 

  512. </code></pre>
    513. 

  513. 									</dd>
    514. 

  514. 								</dl>
    515. 

  515. 							</div>
    516. 

  516. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    517. 

  517. 							<p>操作是否成功</p>
    518. 

  518. 						</li>
    519. 

  519. 					</ul>
    520. 

  520. 				</section>
    521. 

  521. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    522. 

  522. 					<a name="off" class="tsd-anchor"></a>
    523. 

  523. 					<h3>off</h3>
    524. 

  524. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    525. 

  525. 						<li class="tsd-signature tsd-kind-icon">off&lt;T&gt;<span class="tsd-signature-symbol">(</span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Listener</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">EventEmitter</span></li>
    526. 

  526. 					</ul>
    527. 

  527. 					<ul class="tsd-descriptions">
    528. 

  528. 						<li class="tsd-description">
    529. 

  529. 							<aside class="tsd-sources">
    530. 

  530. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#off">off</a></p>
    531. 

  531. 							</aside>
    532. 

  532. 							<div class="tsd-comment tsd-typography">
    533. 

  533. 								<div class="lead">
    534. 

  534. 									<p>取消监听流对象事件</p>
    535. 

  535. 								</div>
    536. 

  536. 							</div>
    537. 

  537. 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
    538. 

  538. 							<ul class="tsd-type-parameters">
    539. 

  539. 								<li>
    540. 

  540. 									<h4>T<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;error&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;user-joined&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;user-left&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;kick-off&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-added&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-removed&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-subscribed&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-published&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-reconnecting&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;stream-reconnected&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;mute-audio&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;unmute-audio&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;mute-video&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;unmute-video&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;first-key-frame&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;audio-track-ended&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;screen-sharing-stopped&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;connection-state-changed&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;network-quality&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;player-status-change&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;device-changed&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;*&quot;</span></h4>
    541. 

  541. 								</li>
    542. 

  542. 							</ul>
    543. 

  543. 							<h4 class="tsd-parameters-title">Parameters</h4>
    544. 

  544. 							<ul class="tsd-parameters">
    545. 

  545. 								<li>
    546. 

  546. 									<h5>type: <span class="tsd-signature-type">T</span></h5>
    547. 

  547. 									<div class="tsd-comment tsd-typography">
    548. 

  548. 										<p>流对象事件类型，特别的，当为 &#39;*&#39; 时，取消监听所有事件</p>
    549. 

  549. 									</div>
    550. 

  550. 								</li>
    551. 

  551. 								<li>
    552. 

  552. 									<h5>listener: <span class="tsd-signature-type">Listener</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h5>
    553. 

  553. 									<div class="tsd-comment tsd-typography">
    554. 

  554. 										<p>流对象事件监听函数</p>
    555. 

  555. 									</div>
    556. 

  556. 								</li>
    557. 

  557. 							</ul>
    558. 

  558. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">EventEmitter</span></h4>
    559. 

  559. 						</li>
    560. 

  560. 					</ul>
    561. 

  561. 				</section>
    562. 

  562. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    563. 

  563. 					<a name="on" class="tsd-anchor"></a>
    564. 

  564. 					<h3>on</h3>
    565. 

  565. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    566. 

  566. 						<li class="tsd-signature tsd-kind-icon">on&lt;T&gt;<span class="tsd-signature-symbol">(</span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span>, listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Listener</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">EventEmitter</span></li>
    567. 

  567. 					</ul>
    568. 

  568. 					<ul class="tsd-descriptions">
    569. 

  569. 						<li class="tsd-description">
    570. 

  570. 							<aside class="tsd-sources">
    571. 

  571. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#on">on</a></p>
    572. 

  572. 							</aside>
    573. 

  573. 							<div class="tsd-comment tsd-typography">
    574. 

  574. 								<div class="lead">
    575. 

  575. 									<p>监听流对象事件</p>
    576. 

  576. 								</div>
    577. 

  577. 							</div>
    578. 

  578. 							<h4 class="tsd-type-parameters-title">Type parameters</h4>
    579. 

  579. 							<ul class="tsd-type-parameters">
    580. 

  580. 								<li>
    581. 

  581. 									<h4>T<span class="tsd-signature-symbol">: </span><a href="../index.html#rtceventtype" class="tsd-signature-type" data-tsd-kind="Type alias">RtcEventType</a></h4>
    582. 

  582. 								</li>
    583. 

  583. 							</ul>
    584. 

  584. 							<h4 class="tsd-parameters-title">Parameters</h4>
    585. 

  585. 							<ul class="tsd-parameters">
    586. 

  586. 								<li>
    587. 

  587. 									<h5>type: <span class="tsd-signature-type">T</span></h5>
    588. 

  588. 									<div class="tsd-comment tsd-typography">
    589. 

  589. 										<p>流事件类型</p>
    590. 

  590. 									</div>
    591. 

  591. 								</li>
    592. 

  592. 								<li>
    593. 

  593. 									<h5>listener: <span class="tsd-signature-type">Listener</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">&gt;</span></h5>
    594. 

  594. 									<div class="tsd-comment tsd-typography">
    595. 

  595. 										<p>流事件监听函数</p>
    596. 

  596. 									</div>
    597. 

  597. 								</li>
    598. 

  598. 							</ul>
    599. 

  599. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">EventEmitter</span></h4>
    600. 

  600. 						</li>
    601. 

  601. 					</ul>
    602. 

  602. 				</section>
    603. 

  603. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    604. 

  604. 					<a name="play" class="tsd-anchor"></a>
    605. 

  605. 					<h3>play</h3>
    606. 

  606. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    607. 

  607. 						<li class="tsd-signature tsd-kind-icon">play<span class="tsd-signature-symbol">(</span>container<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">HTMLElement</span>, opts<span class="tsd-signature-symbol">?: </span><a href="../interfaces/playoptions.html" class="tsd-signature-type" data-tsd-kind="Interface">PlayOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    608. 

  608. 					</ul>
    609. 

  609. 					<ul class="tsd-descriptions">
    610. 

  610. 						<li class="tsd-description">
    611. 

  611. 							<aside class="tsd-sources">
    612. 

  612. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#play">play</a></p>
    613. 

  613. 							</aside>
    614. 

  614. 							<div class="tsd-comment tsd-typography">
    615. 

  615. 								<div class="lead">
    616. 

  616. 									<p>播放当前流</p>
    617. 

  617. 								</div>
    618. 

  618. 								<dl class="tsd-comment-tags">
    619. 

  619. 									<dt>example</dt>
    620. 

  620. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">container</span><span style="color: #000000"> = </span><span style="color: #A31515">&#039;xxx&#039;</span><span style="color: #000000">; </span><span style="color: #008000">// 比如 id 为 xxx 的 div 元素</span>
    621. 

  621. <span style="color: #001080">stream</span>
    622. 

  622. <span style="color: #000000">  .</span><span style="color: #795E26">play</span><span style="color: #000000">(</span><span style="color: #001080">container</span><span style="color: #000000">)</span>
    623. 

  623. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    624. 

  624. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`播放失败: </span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">); </span><span style="color: #008000">// 一般由于浏览器对自动播放的限制导致播放失败</span>
    625. 

  625. <span style="color: #000000">  });</span>
    626. 

  626. </code></pre>
    627. 

  627. 									</dd>
    628. 

  628. 									<dt>reject</dt>
    629. 

  629. 									<dd><p><a href="rtcerror.html">RtcError</a></p>
    630. 

  630. 									</dd>
    631. 

  631. 								</dl>
    632. 

  632. 							</div>
    633. 

  633. 							<h4 class="tsd-parameters-title">Parameters</h4>
    634. 

  634. 							<ul class="tsd-parameters">
    635. 

  635. 								<li>
    636. 

  636. 									<h5>container: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">HTMLElement</span></h5>
    637. 

  637. 									<div class="tsd-comment tsd-typography">
    638. 

  638. 										<p>播放音视频时，包裹 video 标签所用的容器元素或容器元素的 ID</p>
    639. 

  639. 									</div>
    640. 

  640. 								</li>
    641. 

  641. 								<li>
    642. 

  642. 									<h5><span class="tsd-flag ts-flagOptional">Optional</span> opts: <a href="../interfaces/playoptions.html" class="tsd-signature-type" data-tsd-kind="Interface">PlayOptions</a></h5>
    643. 

  643. 									<div class="tsd-comment tsd-typography">
    644. 

  644. 										<p>其他播放参数，参见<a href="../interfaces/playoptions.html">PlayOptions</a></p>
    645. 

  645. 									</div>
    646. 

  646. 								</li>
    647. 

  647. 							</ul>
    648. 

  648. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    649. 

  649. 						</li>
    650. 

  650. 					</ul>
    651. 

  651. 				</section>
    652. 

  652. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    653. 

  653. 					<a name="removetrack" class="tsd-anchor"></a>
    654. 

  654. 					<h3>remove<wbr>Track</h3>
    655. 

  655. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    656. 

  656. 						<li class="tsd-signature tsd-kind-icon">remove<wbr>Track<span class="tsd-signature-symbol">(</span>track<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MediaStreamTrack</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    657. 

  657. 					</ul>
    658. 

  658. 					<ul class="tsd-descriptions">
    659. 

  659. 						<li class="tsd-description">
    660. 

  660. 							<aside class="tsd-sources">
    661. 

  661. 							</aside>
    662. 

  662. 							<div class="tsd-comment tsd-typography">
    663. 

  663. 								<div class="lead">
    664. 

  664. 									<p>从当前流中删除一条媒体轨道（音轨或视轨）</p>
    665. 

  665. 								</div>
    666. 

  666. 								<dl class="tsd-comment-tags">
    667. 

  667. 									<dt>example</dt>
    668. 

  668. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">removeTrack</span><span style="color: #000000">(</span><span style="color: #001080">track</span><span style="color: #000000">);</span>
    669. 

  669. </code></pre>
    670. 

  670. 									</dd>
    671. 

  671. 								</dl>
    672. 

  672. 							</div>
    673. 

  673. 							<h4 class="tsd-parameters-title">Parameters</h4>
    674. 

  674. 							<ul class="tsd-parameters">
    675. 

  675. 								<li>
    676. 

  676. 									<h5>track: <span class="tsd-signature-type">MediaStreamTrack</span></h5>
    677. 

  677. 									<div class="tsd-comment tsd-typography">
    678. 

  678. 										<p>媒体轨道</p>
    679. 

  679. 									</div>
    680. 

  680. 								</li>
    681. 

  681. 							</ul>
    682. 

  682. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    683. 

  683. 						</li>
    684. 

  684. 					</ul>
    685. 

  685. 				</section>
    686. 

  686. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    687. 

  687. 					<a name="replacetrack" class="tsd-anchor"></a>
    688. 

  688. 					<h3>replace<wbr>Track</h3>
    689. 

  689. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    690. 

  690. 						<li class="tsd-signature tsd-kind-icon">replace<wbr>Track<span class="tsd-signature-symbol">(</span>track<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MediaStreamTrack</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">MediaStreamTrack</span></li>
    691. 

  691. 					</ul>
    692. 

  692. 					<ul class="tsd-descriptions">
    693. 

  693. 						<li class="tsd-description">
    694. 

  694. 							<aside class="tsd-sources">
    695. 

  695. 							</aside>
    696. 

  696. 							<div class="tsd-comment tsd-typography">
    697. 

  697. 								<div class="lead">
    698. 

  698. 									<p>替换当前流中的媒体轨道</p>
    699. 

  699. 									<blockquote>
    700. 

  700. 										<p>注：</p>
    701. 

  701. 										<ol>
    702. 

  702. 											<li>替换视频时，建议使用与原轨道相同的分辨率的媒体轨道，若不相同，请在替换后及时设置流的 profile 来调整到合适的码率等</li>
    703. 

  703. 											<li>返回值为当前流中相同类型的媒体轨道，此媒体轨道仍可用（占用音频设备或视频设备），请自行决定是否调用其 stop 方法释放设备</li>
    704. 

  704. 											<li>若是切换不同的摄像头或麦克风设备，建议使用 switchDevice 方法，若是切换静态图片为视频流，建议使用 switchImage 方法</li>
    705. 

  705. 										</ol>
    706. 

  706. 									</blockquote>
    707. 

  707. 								</div>
    708. 

  708. 								<dl class="tsd-comment-tags">
    709. 

  709. 									<dt>example</dt>
    710. 

  710. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">oldTrack</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">replaceTrack</span><span style="color: #000000">(</span><span style="color: #001080">track</span><span style="color: #000000">);</span>
    711. 

  711. <span style="color: #001080">oldTrack</span><span style="color: #000000">.</span><span style="color: #795E26">stop</span><span style="color: #000000">();</span>
    712. 

  712. </code></pre>
    713. 

  713. 									</dd>
    714. 

  714. 								</dl>
    715. 

  715. 							</div>
    716. 

  716. 							<h4 class="tsd-parameters-title">Parameters</h4>
    717. 

  717. 							<ul class="tsd-parameters">
    718. 

  718. 								<li>
    719. 

  719. 									<h5>track: <span class="tsd-signature-type">MediaStreamTrack</span></h5>
    720. 

  720. 									<div class="tsd-comment tsd-typography">
    721. 

  721. 										<p>新媒体轨道</p>
    722. 

  722. 									</div>
    723. 

  723. 								</li>
    724. 

  724. 							</ul>
    725. 

  725. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">MediaStreamTrack</span></h4>
    726. 

  726. 						</li>
    727. 

  727. 					</ul>
    728. 

  728. 				</section>
    729. 

  729. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    730. 

  730. 					<a name="resume" class="tsd-anchor"></a>
    731. 

  731. 					<h3>resume</h3>
    732. 

  732. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    733. 

  733. 						<li class="tsd-signature tsd-kind-icon">resume<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    734. 

  734. 					</ul>
    735. 

  735. 					<ul class="tsd-descriptions">
    736. 

  736. 						<li class="tsd-description">
    737. 

  737. 							<aside class="tsd-sources">
    738. 

  738. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#resume">resume</a></p>
    739. 

  739. 							</aside>
    740. 

  740. 							<div class="tsd-comment tsd-typography">
    741. 

  741. 								<div class="lead">
    742. 

  742. 									<p>恢复播放流，一般由于浏览器限制无法自动播放时，可提示用户手动触发该方法进行恢复播放</p>
    743. 

  743. 								</div>
    744. 

  744. 								<dl class="tsd-comment-tags">
    745. 

  745. 									<dt>example</dt>
    746. 

  746. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span>
    747. 

  747. <span style="color: #000000">  .</span><span style="color: #795E26">resume</span><span style="color: #000000">()</span>
    748. 

  748. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    749. 

  749. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`恢复播放失败：</span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    750. 

  750. <span style="color: #000000">  });</span>
    751. 

  751. </code></pre>
    752. 

  752. 									</dd>
    753. 

  753. 								</dl>
    754. 

  754. 							</div>
    755. 

  755. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    756. 

  756. 						</li>
    757. 

  757. 					</ul>
    758. 

  758. 				</section>
    759. 

  759. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    760. 

  760. 					<a name="setaudiolevel" class="tsd-anchor"></a>
    761. 

  761. 					<h3>set<wbr>Audio<wbr>Level</h3>
    762. 

  762. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    763. 

  763. 						<li class="tsd-signature tsd-kind-icon">set<wbr>Audio<wbr>Level<span class="tsd-signature-symbol">(</span>level<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    764. 

  764. 					</ul>
    765. 

  765. 					<ul class="tsd-descriptions">
    766. 

  766. 						<li class="tsd-description">
    767. 

  767. 							<aside class="tsd-sources">
    768. 

  768. 							</aside>
    769. 

  769. 							<div class="tsd-comment tsd-typography">
    770. 

  770. 								<div class="lead">
    771. 

  771. 									<p>设置音频能量大小，默认 100</p>
    772. 

  772. 								</div>
    773. 

  773. 							</div>
    774. 

  774. 							<h4 class="tsd-parameters-title">Parameters</h4>
    775. 

  775. 							<ul class="tsd-parameters">
    776. 

  776. 								<li>
    777. 

  777. 									<h5>level: <span class="tsd-signature-type">number</span></h5>
    778. 

  778. 									<div class="tsd-comment tsd-typography">
    779. 

  779. 										<p>能量大小，取值范围 [0-300]</p>
    780. 

  780. 									</div>
    781. 

  781. 								</li>
    782. 

  782. 							</ul>
    783. 

  783. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    784. 

  784. 						</li>
    785. 

  785. 					</ul>
    786. 

  786. 				</section>
    787. 

  787. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    788. 

  788. 					<a name="setscreenprofile" class="tsd-anchor"></a>
    789. 

  789. 					<h3>set<wbr>Screen<wbr>Profile</h3>
    790. 

  790. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    791. 

  791. 						<li class="tsd-signature tsd-kind-icon">set<wbr>Screen<wbr>Profile<span class="tsd-signature-symbol">(</span>profile<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;480p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">CustomVideoProfile</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;480p_2&quot;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    792. 

  792. 					</ul>
    793. 

  793. 					<ul class="tsd-descriptions">
    794. 

  794. 						<li class="tsd-description">
    795. 

  795. 							<aside class="tsd-sources">
    796. 

  796. 							</aside>
    797. 

  797. 							<div class="tsd-comment tsd-typography">
    798. 

  798. 								<div class="lead">
    799. 

  799. 									<p>设置当前流（屏幕共享流）视频的 Profile，默认 &#39;1080p&#39;
    800. 

  800. 									注：请务必在调用 init 方法之前，设置屏幕共享流的 Profile，否则无法生效。</p>
    801. 

  801. 								</div>
    802. 

  802. 								<dl class="tsd-comment-tags">
    803. 

  803. 									<dt>example</dt>
    804. 

  804. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">setScreenProfile</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;720p&#039;</span><span style="color: #000000">);</span>
    805. 

  805. <span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">init</span><span style="color: #000000">().</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    806. 

  806. <span style="color: #000000">  </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`初始化屏幕共享流失败 </span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    807. 

  807. <span style="color: #000000">});</span>
    808. 

  808. </code></pre>
    809. 

  809. 									</dd>
    810. 

  810. 								</dl>
    811. 

  811. 							</div>
    812. 

  812. 							<h4 class="tsd-parameters-title">Parameters</h4>
    813. 

  813. 							<ul class="tsd-parameters">
    814. 

  814. 								<li>
    815. 

  815. 									<h5>profile: <span class="tsd-signature-type">&quot;480p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">CustomVideoProfile</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;480p_2&quot;</span></h5>
    816. 

  816. 									<div class="tsd-comment tsd-typography">
    817. 

  817. 										<p>视频 Profile</p>
    818. 

  818. 									</div>
    819. 

  819. 								</li>
    820. 

  820. 							</ul>
    821. 

  821. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    822. 

  822. 						</li>
    823. 

  823. 					</ul>
    824. 

  824. 				</section>
    825. 

  825. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    826. 

  826. 					<a name="setvideoprofile" class="tsd-anchor"></a>
    827. 

  827. 					<h3>set<wbr>Video<wbr>Profile</h3>
    828. 

  828. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    829. 

  829. 						<li class="tsd-signature tsd-kind-icon">set<wbr>Video<wbr>Profile<span class="tsd-signature-symbol">(</span>profile<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;180p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;180p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;240p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;360p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;360p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;480p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_3&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_3&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">CustomVideoProfile</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    830. 

  830. 					</ul>
    831. 

  831. 					<ul class="tsd-descriptions">
    832. 

  832. 						<li class="tsd-description">
    833. 

  833. 							<aside class="tsd-sources">
    834. 

  834. 							</aside>
    835. 

  835. 							<div class="tsd-comment tsd-typography">
    836. 

  836. 								<div class="lead">
    837. 

  837. 									<p>设置当前流视频的 Profile，默认 &#39;360p_2&#39;</p>
    838. 

  838. 								</div>
    839. 

  839. 								<dl class="tsd-comment-tags">
    840. 

  840. 									<dt>example</dt>
    841. 

  841. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span>
    842. 

  842. <span style="color: #000000">  .</span><span style="color: #795E26">setVideoProfile</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;720p&#039;</span><span style="color: #000000">)</span>
    843. 

  843. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    844. 

  844. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;set video profile success&#039;</span><span style="color: #000000">);</span>
    845. 

  845. <span style="color: #000000">  })</span>
    846. 

  846. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    847. 

  847. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;set video profile failed &#039;</span><span style="color: #000000">, </span><span style="color: #001080">err</span><span style="color: #000000">);</span>
    848. 

  848. <span style="color: #000000">  });</span>
    849. 

  849. </code></pre>
    850. 

  850. 										<p>或</p>
    851. 

  851. 										<pre><code class="language-js"><span style="color: #001080">stream</span>
    852. 

  852. <span style="color: #000000">  .</span><span style="color: #795E26">setVideoProfile</span><span style="color: #000000">({</span><span style="color: #001080">width:</span><span style="color: #000000"> </span><span style="color: #098658">640</span><span style="color: #000000">, </span><span style="color: #001080">height:</span><span style="color: #000000"> </span><span style="color: #098658">480</span><span style="color: #000000">, </span><span style="color: #001080">framerate:</span><span style="color: #000000"> </span><span style="color: #098658">15</span><span style="color: #000000">, </span><span style="color: #001080">bitrate:</span><span style="color: #000000"> </span><span style="color: #098658">500</span><span style="color: #000000">});</span>
    853. 

  853. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    854. 

  854. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;set video profile success&#039;</span><span style="color: #000000">);</span>
    855. 

  855. <span style="color: #000000">  })</span>
    856. 

  856. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    857. 

  857. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;set video profile failed &#039;</span><span style="color: #000000">, </span><span style="color: #001080">err</span><span style="color: #000000">);</span>
    858. 

  858. <span style="color: #000000">  });</span>
    859. 

  859. </code></pre>
    860. 

  860. 									</dd>
    861. 

  861. 								</dl>
    862. 

  862. 							</div>
    863. 

  863. 							<h4 class="tsd-parameters-title">Parameters</h4>
    864. 

  864. 							<ul class="tsd-parameters">
    865. 

  865. 								<li>
    866. 

  866. 									<h5>profile: <span class="tsd-signature-type">&quot;180p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;180p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;240p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;360p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;360p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;480p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;720p_3&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_2&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;1080p_3&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">CustomVideoProfile</span></h5>
    867. 

  867. 									<div class="tsd-comment tsd-typography">
    868. 

  868. 										<p>视频 Profile</p>
    869. 

  869. 									</div>
    870. 

  870. 								</li>
    871. 

  871. 							</ul>
    872. 

  872. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    873. 

  873. 						</li>
    874. 

  874. 					</ul>
    875. 

  875. 				</section>
    876. 

  876. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    877. 

  877. 					<a name="snapshot" class="tsd-anchor"></a>
    878. 

  878. 					<h3>snapshot</h3>
    879. 

  879. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    880. 

  880. 						<li class="tsd-signature tsd-kind-icon">snapshot<span class="tsd-signature-symbol">(</span>opts<span class="tsd-signature-symbol">?: </span><a href="../interfaces/snapshotoptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SnapshotOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">&gt;</span></li>
    881. 

  881. 					</ul>
    882. 

  882. 					<ul class="tsd-descriptions">
    883. 

  883. 						<li class="tsd-description">
    884. 

  884. 							<aside class="tsd-sources">
    885. 

  885. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#snapshot">snapshot</a></p>
    886. 

  886. 							</aside>
    887. 

  887. 							<div class="tsd-comment tsd-typography">
    888. 

  888. 								<div class="lead">
    889. 

  889. 									<p>对当前流进行截屏，可用于页面展示或下载保存</p>
    890. 

  890. 								</div>
    891. 

  891. 								<dl class="tsd-comment-tags">
    892. 

  892. 									<dt>example</dt>
    893. 

  893. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">snapshot</span><span style="color: #000000">({</span><span style="color: #001080">filename:</span><span style="color: #000000"> </span><span style="color: #A31515">&#039;xxx.jpg&#039;</span><span style="color: #000000">})</span>
    894. 

  894. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">((</span><span style="color: #001080">pic</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    895. 

  895. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;截屏图像&#039;</span><span style="color: #000000">, </span><span style="color: #001080">pic</span><span style="color: #000000">);</span>
    896. 

  896. <span style="color: #000000">  })</span>
    897. 

  897. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    898. 

  898. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;截屏失败&#039;</span><span style="color: #000000">, </span><span style="color: #001080">err</span><span style="color: #000000">);</span>
    899. 

  899. <span style="color: #000000">  });</span>
    900. 

  900. </code></pre>
    901. 

  901. 									</dd>
    902. 

  902. 								</dl>
    903. 

  903. 							</div>
    904. 

  904. 							<h4 class="tsd-parameters-title">Parameters</h4>
    905. 

  905. 							<ul class="tsd-parameters">
    906. 

  906. 								<li>
    907. 

  907. 									<h5><span class="tsd-flag ts-flagOptional">Optional</span> opts: <a href="../interfaces/snapshotoptions.html" class="tsd-signature-type" data-tsd-kind="Interface">SnapshotOptions</a></h5>
    908. 

  908. 									<div class="tsd-comment tsd-typography">
    909. 

  909. 										<p>截屏参数，选传，参见<a href="../interfaces/snapshotoptions.html">SnapshotOptions</a></p>
    910. 

  910. 									</div>
    911. 

  911. 								</li>
    912. 

  912. 							</ul>
    913. 

  913. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">&gt;</span></h4>
    914. 

  914. 						</li>
    915. 

  915. 					</ul>
    916. 

  916. 				</section>
    917. 

  917. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    918. 

  918. 					<a name="stop" class="tsd-anchor"></a>
    919. 

  919. 					<h3>stop</h3>
    920. 

  920. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    921. 

  921. 						<li class="tsd-signature tsd-kind-icon">stop<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
    922. 

  922. 					</ul>
    923. 

  923. 					<ul class="tsd-descriptions">
    924. 

  924. 						<li class="tsd-description">
    925. 

  925. 							<aside class="tsd-sources">
    926. 

  926. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#stop">stop</a></p>
    927. 

  927. 							</aside>
    928. 

  928. 							<div class="tsd-comment tsd-typography">
    929. 

  929. 								<div class="lead">
    930. 

  930. 									<p>停止播放当前流</p>
    931. 

  931. 								</div>
    932. 

  932. 								<dl class="tsd-comment-tags">
    933. 

  933. 									<dt>example</dt>
    934. 

  934. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">stop</span><span style="color: #000000">();</span>
    935. 

  935. </code></pre>
    936. 

  936. 									</dd>
    937. 

  937. 								</dl>
    938. 

  938. 							</div>
    939. 

  939. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
    940. 

  940. 						</li>
    941. 

  941. 					</ul>
    942. 

  942. 				</section>
    943. 

  943. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    944. 

  944. 					<a name="switchdevice" class="tsd-anchor"></a>
    945. 

  945. 					<h3>switch<wbr>Device</h3>
    946. 

  946. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    947. 

  947. 						<li class="tsd-signature tsd-kind-icon">switch<wbr>Device<span class="tsd-signature-symbol">(</span>type<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">&quot;audio&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;video&quot;</span>, deviceId<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    948. 

  948. 					</ul>
    949. 

  949. 					<ul class="tsd-descriptions">
    950. 

  950. 						<li class="tsd-description">
    951. 

  951. 							<aside class="tsd-sources">
    952. 

  952. 							</aside>
    953. 

  953. 							<div class="tsd-comment tsd-typography">
    954. 

  954. 								<div class="lead">
    955. 

  955. 									<p>切换音视频设备</p>
    956. 

  956. 								</div>
    957. 

  957. 								<dl class="tsd-comment-tags">
    958. 

  958. 									<dt>example</dt>
    959. 

  959. 									<dd><pre><code class="language-js"><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">switchDevice</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;audio&#039;</span><span style="color: #000000">, </span><span style="color: #A31515">&#039;xxxxxxx&#039;</span><span style="color: #000000">)</span>
    960. 

  960. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    961. 

  961. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;切换设备成功&#039;</span><span style="color: #000000">);</span>
    962. 

  962. <span style="color: #000000">  })</span>
    963. 

  963. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    964. 

  964. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`切换设备失败：</span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    965. 

  965. <span style="color: #000000">  });</span>
    966. 

  966. </code></pre>
    967. 

  967. 									</dd>
    968. 

  968. 									<dt>reject</dt>
    969. 

  969. 									<dd><p><a href="rtcerror.html">RtcError</a></p>
    970. 

  970. 									</dd>
    971. 

  971. 								</dl>
    972. 

  972. 							</div>
    973. 

  973. 							<h4 class="tsd-parameters-title">Parameters</h4>
    974. 

  974. 							<ul class="tsd-parameters">
    975. 

  975. 								<li>
    976. 

  976. 									<h5>type: <span class="tsd-signature-type">&quot;audio&quot;</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">&quot;video&quot;</span></h5>
    977. 

  977. 									<div class="tsd-comment tsd-typography">
    978. 

  978. 										<p>设备类型</p>
    979. 

  979. 									</div>
    980. 

  980. 								</li>
    981. 

  981. 								<li>
    982. 

  982. 									<h5>deviceId: <span class="tsd-signature-type">string</span></h5>
    983. 

  983. 									<div class="tsd-comment tsd-typography">
    984. 

  984. 										<p>设备 ID</p>
    985. 

  985. 									</div>
    986. 

  986. 								</li>
    987. 

  987. 							</ul>
    988. 

  988. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    989. 

  989. 						</li>
    990. 

  990. 					</ul>
    991. 

  991. 				</section>
    992. 

  992. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
    993. 

  993. 					<a name="switchimage" class="tsd-anchor"></a>
    994. 

  994. 					<h3>switch<wbr>Image</h3>
    995. 

  995. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
    996. 

  996. 						<li class="tsd-signature tsd-kind-icon">switch<wbr>Image<span class="tsd-signature-symbol">(</span>file<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">File</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></li>
    997. 

  997. 					</ul>
    998. 

  998. 					<ul class="tsd-descriptions">
    999. 

  999. 						<li class="tsd-description">
    1000. 

  1000. 							<aside class="tsd-sources">
    1001. 

  1001. 							</aside>
    1002. 

  1002. 							<div class="tsd-comment tsd-typography">
    1003. 

  1003. 								<div class="lead">
    1004. 

  1004. 									<p>切换图片 - 使用图片生成视频，并将当前流的视频使用其代替</p>
    1005. 

  1005. 								</div>
    1006. 

  1006. 								<dl class="tsd-comment-tags">
    1007. 

  1007. 									<dt>example</dt>
    1008. 

  1008. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">imgAddr</span><span style="color: #000000"> = </span><span style="color: #A31515">&#039;https://a.b.c/d.jpg&#039;</span><span style="color: #000000">;</span>
    1009. 

  1009. <span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">switchImage</span><span style="color: #000000">(</span><span style="color: #001080">imgAddr</span><span style="color: #000000">)</span>
    1010. 

  1010. <span style="color: #000000">  .</span><span style="color: #795E26">then</span><span style="color: #000000">(() </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    1011. 

  1011. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">&#039;切换图片成功&#039;</span><span style="color: #000000">)</span>
    1012. 

  1012. <span style="color: #000000">  })</span>
    1013. 

  1013. <span style="color: #000000">  .</span><span style="color: #795E26">catch</span><span style="color: #000000">((</span><span style="color: #001080">err</span><span style="color: #000000">) </span><span style="color: #0000FF">=&gt;</span><span style="color: #000000"> {</span>
    1014. 

  1014. <span style="color: #000000">    </span><span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">error</span><span style="color: #000000">(</span><span style="color: #A31515">`切换图片失败：</span><span style="color: #0000FF">${</span><span style="color: #001080">err</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    1015. 

  1015. <span style="color: #000000">  });</span>
    1016. 

  1016. </code></pre>
    1017. 

  1017. 									</dd>
    1018. 

  1018. 									<dt>reject</dt>
    1019. 

  1019. 									<dd><p><a href="rtcerror.html">RtcError</a></p>
    1020. 

  1020. 									</dd>
    1021. 

  1021. 								</dl>
    1022. 

  1022. 							</div>
    1023. 

  1023. 							<h4 class="tsd-parameters-title">Parameters</h4>
    1024. 

  1024. 							<ul class="tsd-parameters">
    1025. 

  1025. 								<li>
    1026. 

  1026. 									<h5>file: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">File</span></h5>
    1027. 

  1027. 									<div class="tsd-comment tsd-typography">
    1028. 

  1028. 										<p>图片地址或图片文件</p>
    1029. 

  1029. 									</div>
    1030. 

  1030. 								</li>
    1031. 

  1031. 							</ul>
    1032. 

  1032. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4>
    1033. 

  1033. 						</li>
    1034. 

  1034. 					</ul>
    1035. 

  1035. 				</section>
    1036. 

  1036. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1037. 

  1037. 					<a name="unmuteaudio" class="tsd-anchor"></a>
    1038. 

  1038. 					<h3>unmute<wbr>Audio</h3>
    1039. 

  1039. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1040. 

  1040. 						<li class="tsd-signature tsd-kind-icon">unmute<wbr>Audio<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    1041. 

  1041. 					</ul>
    1042. 

  1042. 					<ul class="tsd-descriptions">
    1043. 

  1043. 						<li class="tsd-description">
    1044. 

  1044. 							<aside class="tsd-sources">
    1045. 

  1045. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#unmuteaudio">unmuteAudio</a></p>
    1046. 

  1046. 							</aside>
    1047. 

  1047. 							<div class="tsd-comment tsd-typography">
    1048. 

  1048. 								<div class="lead">
    1049. 

  1049. 									<p>unmute 当前流的音频</p>
    1050. 

  1050. 									<ul>
    1051. 

  1051. 										<li>本地流调用此方法时，将向服务器推送音频数据，远端用户将收到 <code>unmute-audio</code> 的事件通知</li>
    1052. 

  1052. 										<li>远端流调用此方法时，会从服务器拉取音频数据，并无事件通知远端用户</li>
    1053. 

  1053. 									</ul>
    1054. 

  1054. 								</div>
    1055. 

  1055. 								<dl class="tsd-comment-tags">
    1056. 

  1056. 									<dt>example</dt>
    1057. 

  1057. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">unmuteAudio</span><span style="color: #000000">();</span>
    1058. 

  1058. <span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`stream&#039;s audio is muted </span><span style="color: #0000FF">${</span><span style="color: #001080">stream</span><span style="color: #000000FF">.</span><span style="color: #001080">audioMuted</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    1059. 

  1059. </code></pre>
    1060. 

  1060. 									</dd>
    1061. 

  1061. 								</dl>
    1062. 

  1062. 							</div>
    1063. 

  1063. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    1064. 

  1064. 							<p>操作是否成功</p>
    1065. 

  1065. 						</li>
    1066. 

  1066. 					</ul>
    1067. 

  1067. 				</section>
    1068. 

  1068. 				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1069. 

  1069. 					<a name="unmutevideo" class="tsd-anchor"></a>
    1070. 

  1070. 					<h3>unmute<wbr>Video</h3>
    1071. 

  1071. 					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1072. 

  1072. 						<li class="tsd-signature tsd-kind-icon">unmute<wbr>Video<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
    1073. 

  1073. 					</ul>
    1074. 

  1074. 					<ul class="tsd-descriptions">
    1075. 

  1075. 						<li class="tsd-description">
    1076. 

  1076. 							<aside class="tsd-sources">
    1077. 

  1077. 								<p>Inherited from <a href="stream.html">Stream</a>.<a href="stream.html#unmutevideo">unmuteVideo</a></p>
    1078. 

  1078. 							</aside>
    1079. 

  1079. 							<div class="tsd-comment tsd-typography">
    1080. 

  1080. 								<div class="lead">
    1081. 

  1081. 									<p>unmute 当前流的视频</p>
    1082. 

  1082. 									<ul>
    1083. 

  1083. 										<li>本地流调用此方法时，将向服务器推送视频数据，远端用户将收到 <code>unmute-video</code> 的事件通知</li>
    1084. 

  1084. 										<li>远端流调用此方法时，会从服务器拉取视频数据，并无事件通知远端用户</li>
    1085. 

  1085. 									</ul>
    1086. 

  1086. 								</div>
    1087. 

  1087. 								<dl class="tsd-comment-tags">
    1088. 

  1088. 									<dt>example</dt>
    1089. 

  1089. 									<dd><pre><code class="language-js"><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">result</span><span style="color: #000000"> = </span><span style="color: #001080">stream</span><span style="color: #000000">.</span><span style="color: #795E26">unmuteVideo</span><span style="color: #000000">();</span>
    1090. 

  1090. <span style="color: #001080">console</span><span style="color: #000000">.</span><span style="color: #795E26">log</span><span style="color: #000000">(</span><span style="color: #A31515">`stream&#039;s video is muted </span><span style="color: #0000FF">${</span><span style="color: #001080">stream</span><span style="color: #000000FF">.</span><span style="color: #001080">videoMuted</span><span style="color: #0000FF">}</span><span style="color: #A31515">`</span><span style="color: #000000">);</span>
    1091. 

  1091. </code></pre>
    1092. 

  1092. 									</dd>
    1093. 

  1093. 								</dl>
    1094. 

  1094. 							</div>
    1095. 

  1095. 							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
    1096. 

  1096. 							<p>操作是否成功</p>
    1097. 

  1097. 						</li>
    1098. 

  1098. 					</ul>
    1099. 

  1099. 				</section>
    1100. 

  1100. 			</section>
    1101. 

  1101. 		</div>
    1102. 

  1102. 		<div class="col-4 col-menu menu-sticky-wrap menu-highlight">
    1103. 

  1103. 			<nav class="tsd-navigation primary">
    1104. 

  1104. 				<ul>
    1105. 

  1105. 					<li class=" ">
    1106. 

  1106. 						<a href="../index.html">Exports</a>
    1107. 

  1107. 					</li>
    1108. 

  1108. 				</ul>
    1109. 

  1109. 			</nav>
    1110. 

  1110. 			<nav class="tsd-navigation secondary menu-sticky">
    1111. 

  1111. 				<ul class="before-current">
    1112. 

  1112. 				</ul>
    1113. 

  1113. 				<ul class="current">
    1114. 

  1114. 					<li class="current tsd-kind-class">
    1115. 

  1115. 						<a href="localstream.html" class="tsd-kind-icon">Local<wbr>Stream</a>
    1116. 

  1116. 						<ul>
    1117. 

  1117. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1118. 

  1118. 								<a href="localstream.html#audiomuted" class="tsd-kind-icon">audio<wbr>Muted</a>
    1119. 

  1119. 							</li>
    1120. 

  1120. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1121. 

  1121. 								<a href="localstream.html#id" class="tsd-kind-icon">id</a>
    1122. 

  1122. 							</li>
    1123. 

  1123. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1124. 

  1124. 								<a href="localstream.html#islocal" class="tsd-kind-icon">is<wbr>Local</a>
    1125. 

  1125. 							</li>
    1126. 

  1126. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1127. 

  1127. 								<a href="localstream.html#mediastream" class="tsd-kind-icon">media<wbr>Stream</a>
    1128. 

  1128. 							</li>
    1129. 

  1129. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1130. 

  1130. 								<a href="localstream.html#userid" class="tsd-kind-icon">user<wbr>Id</a>
    1131. 

  1131. 							</li>
    1132. 

  1132. 							<li class=" tsd-kind-property tsd-parent-kind-class tsd-is-inherited">
    1133. 

  1133. 								<a href="localstream.html#videomuted" class="tsd-kind-icon">video<wbr>Muted</a>
    1134. 

  1134. 							</li>
    1135. 

  1135. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1136. 

  1136. 								<a href="localstream.html#addtrack" class="tsd-kind-icon">add<wbr>Track</a>
    1137. 

  1137. 							</li>
    1138. 

  1138. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1139. 

  1139. 								<a href="localstream.html#destroy" class="tsd-kind-icon">destroy</a>
    1140. 

  1140. 							</li>
    1141. 

  1141. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1142. 

  1142. 								<a href="localstream.html#getaudiolevel" class="tsd-kind-icon">get<wbr>Audio<wbr>Level</a>
    1143. 

  1143. 							</li>
    1144. 

  1144. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1145. 

  1145. 								<a href="localstream.html#getmediatype" class="tsd-kind-icon">get<wbr>Media<wbr>Type</a>
    1146. 

  1146. 							</li>
    1147. 

  1147. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1148. 

  1148. 								<a href="localstream.html#getstats" class="tsd-kind-icon">get<wbr>Stats</a>
    1149. 

  1149. 							</li>
    1150. 

  1150. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    1151. 

  1151. 								<a href="localstream.html#hasaudio" class="tsd-kind-icon">has<wbr>Audio</a>
    1152. 

  1152. 							</li>
    1153. 

  1153. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-overwrite">
    1154. 

  1154. 								<a href="localstream.html#hasvideo" class="tsd-kind-icon">has<wbr>Video</a>
    1155. 

  1155. 							</li>
    1156. 

  1156. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1157. 

  1157. 								<a href="localstream.html#init" class="tsd-kind-icon">init</a>
    1158. 

  1158. 							</li>
    1159. 

  1159. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1160. 

  1160. 								<a href="localstream.html#muteaudio" class="tsd-kind-icon">mute<wbr>Audio</a>
    1161. 

  1161. 							</li>
    1162. 

  1162. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1163. 

  1163. 								<a href="localstream.html#mutevideo" class="tsd-kind-icon">mute<wbr>Video</a>
    1164. 

  1164. 							</li>
    1165. 

  1165. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    1166. 

  1166. 								<a href="localstream.html#off" class="tsd-kind-icon">off</a>
    1167. 

  1167. 							</li>
    1168. 

  1168. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter tsd-is-inherited">
    1169. 

  1169. 								<a href="localstream.html#on" class="tsd-kind-icon">on</a>
    1170. 

  1170. 							</li>
    1171. 

  1171. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1172. 

  1172. 								<a href="localstream.html#play" class="tsd-kind-icon">play</a>
    1173. 

  1173. 							</li>
    1174. 

  1174. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1175. 

  1175. 								<a href="localstream.html#removetrack" class="tsd-kind-icon">remove<wbr>Track</a>
    1176. 

  1176. 							</li>
    1177. 

  1177. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1178. 

  1178. 								<a href="localstream.html#replacetrack" class="tsd-kind-icon">replace<wbr>Track</a>
    1179. 

  1179. 							</li>
    1180. 

  1180. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1181. 

  1181. 								<a href="localstream.html#resume" class="tsd-kind-icon">resume</a>
    1182. 

  1182. 							</li>
    1183. 

  1183. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1184. 

  1184. 								<a href="localstream.html#setaudiolevel" class="tsd-kind-icon">set<wbr>Audio<wbr>Level</a>
    1185. 

  1185. 							</li>
    1186. 

  1186. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1187. 

  1187. 								<a href="localstream.html#setscreenprofile" class="tsd-kind-icon">set<wbr>Screen<wbr>Profile</a>
    1188. 

  1188. 							</li>
    1189. 

  1189. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1190. 

  1190. 								<a href="localstream.html#setvideoprofile" class="tsd-kind-icon">set<wbr>Video<wbr>Profile</a>
    1191. 

  1191. 							</li>
    1192. 

  1192. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1193. 

  1193. 								<a href="localstream.html#snapshot" class="tsd-kind-icon">snapshot</a>
    1194. 

  1194. 							</li>
    1195. 

  1195. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1196. 

  1196. 								<a href="localstream.html#stop" class="tsd-kind-icon">stop</a>
    1197. 

  1197. 							</li>
    1198. 

  1198. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1199. 

  1199. 								<a href="localstream.html#switchdevice" class="tsd-kind-icon">switch<wbr>Device</a>
    1200. 

  1200. 							</li>
    1201. 

  1201. 							<li class=" tsd-kind-method tsd-parent-kind-class">
    1202. 

  1202. 								<a href="localstream.html#switchimage" class="tsd-kind-icon">switch<wbr>Image</a>
    1203. 

  1203. 							</li>
    1204. 

  1204. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1205. 

  1205. 								<a href="localstream.html#unmuteaudio" class="tsd-kind-icon">unmute<wbr>Audio</a>
    1206. 

  1206. 							</li>
    1207. 

  1207. 							<li class=" tsd-kind-method tsd-parent-kind-class tsd-is-inherited">
    1208. 

  1208. 								<a href="localstream.html#unmutevideo" class="tsd-kind-icon">unmute<wbr>Video</a>
    1209. 

  1209. 							</li>
    1210. 

  1210. 						</ul>
    1211. 

  1211. 					</li>
    1212. 

  1212. 				</ul>
    1213. 

  1213. 				<ul class="after-current">
    1214. 

  1214. 				</ul>
    1215. 

  1215. 			</nav>
    1216. 

  1216. 		</div>
    1217. 

  1217. 	</div>
    1218. 

  1218. </div>
    1219. 

  1219. <footer class="with-border-bottom">
    1220. 

  1220. 	<div class="container">
    1221. 

  1221. 		<h2>Legend</h2>
    1222. 

  1222. 		<div class="tsd-legend-group">
    1223. 

  1223. 			<ul class="tsd-legend">
    1224. 

  1224. 				<li class="tsd-kind-constructor tsd-parent-kind-class"><span class="tsd-kind-icon">Constructor</span></li>
    1225. 

  1225. 				<li class="tsd-kind-property tsd-parent-kind-class"><span class="tsd-kind-icon">Property</span></li>
    1226. 

  1226. 				<li class="tsd-kind-method tsd-parent-kind-class"><span class="tsd-kind-icon">Method</span></li>
    1227. 

  1227. 			</ul>
    1228. 

  1228. 			<ul class="tsd-legend">
    1229. 

  1229. 				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited property</span></li>
    1230. 

  1230. 				<li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li>
    1231. 

  1231. 			</ul>
    1232. 

  1232. 			<ul class="tsd-legend">
    1233. 

  1233. 				<li class="tsd-kind-property tsd-parent-kind-interface"><span class="tsd-kind-icon">Property</span></li>
    1234. 

  1234. 			</ul>
    1235. 

  1235. 			<ul class="tsd-legend">
    1236. 

  1236. 				<li class="tsd-kind-property tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static property</span></li>
    1237. 

  1237. 			</ul>
    1238. 

  1238. 		</div>
    1239. 

  1239. 	</div>
    1240. 

  1240. </footer>
    1241. 

  1241. <div class="container tsd-generator">
    1242. 

  1242. 	<p>Generated using <a href="https://typedoc.org/" target="_blank">TypeDoc</a></p>
    1243. 

  1243. </div>
    1244. 

  1244. <div class="overlay"></div>
    1245. 

  1245. <script src="../assets/js/main.js"></script>
    1246. 

  1246. </body>
    1247. 

  1247. </html>
    1248.