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<h2><img src="../../images/apps-images/mediaplayer-icon_64.png" alt="mediaplayer-icon_64.png" width="64" height="64" />媒体播放器</h2>
<table summary="layout" border="0" cellspacing="0" cellpadding="2">
<tr><td>桌面栏:</td><td style="width:15px;"></td><td><span class="menu">应用程序</span></td></tr>
<tr><td>位置:</td><td></td><td><span class="path">/boot/system/apps/MediaPlayer</span></td></tr>
<tr><td>设置:</td><td></td><td><span class="path">~/config/settings/MediaPlayer</span></td></tr>
</table>
<p><br /></p>
<p>MediaPlayer is the default player for all audio and video files. Thanks to its <a href="http://www.ffmpeg.org/">ffmpeg</a> backend, a plethora of widely used formats are supported. Its simple interface has all the controls you'd expect:</p>
<img src="../images/apps-images/mediaplayer.png" alt="mediaplayer.png" />
<p>进度栏允许您快速的跳转到某个位置,将鼠标停放在其上将弹出显示当前和剩余时间。点击右边的时间显示,将会在总时间,当前时间和剩余时间之间切换。<br />
在其下方,您可以看到常用的控件,下一个,播放/暂停,停止以及下一个。之后时声音控制(点击音响符号在静音之间切换)和音量计。</p>
<h2>音频和视频播放</h2>
<p>因为音频播放没有任何特殊的效果,我们将直接介绍视频和通用特性。</p>
<img src="../images/apps-images/mediaplayer-info.png" alt="mediaplayer-info.png" />
<p>对所有媒体都可用的是 <span class="menu">文件信息...</span> (<span class="key">ALT</span><span class="key">I</span>)。它显示有关当前载入文件的信息,如播放时间或音频/视频轨道细节和它的编码。</p>
<p>菜单中大部分的常用命令也可以通过屏幕区域的右键菜单使用。在全屏模式中尤其方便。<br />
<span class="menu">视频</span> 菜单下,您可以看到用于缩放窗口或强制使用纵横比。保持纵横比为默认的 <span class="menu">流设置</span> 非常适用于正确的编码文件。</p>
<p>媒体播放器支持 <a href="http://en.wikipedia.org/wiki/SubRip">SRT</a> 格式中的子标题。为了让其显示于 <span class="menu">子标题</span> 之下,它们的文件名必须与其视频文件相同,但其后缀必须为 ".srt" ,而不是视频扩展。例如:</p>
<pre>MyMovie.avi
MyMovie.Deutsch.srt
MyMovie.English.srt
MyMovie.Français.srt</pre>
<p>多声道音频,通常用于具有多语言的视频文件,并且在 <span class="menu">音频轨道</span> 子菜单中可用。当有可用的多声道视频时,<span class="menu">视频 | 轨道</span> 子菜单提供了同样的内容。</p>
<p>您可以切换为 <span class="menu">全屏</span> 模式(<span class="key">ALT</span> <span class="key">ENTER</span><span class="key">F</span> 或双击左键),使用 <span class="menu">隐藏界面</span> 隐藏媒体播放器的窗口边框和控件(<span class="key">ALT</span> <span class="key">H</span> 或双击右键)或者可以让其 <span class="menu">置顶</span><span class="key">ALT</span> <span class="key">A</span>)。</p>
<h2>播放列表</h2>
<p><span class="menu">媒体播放器 | 播放列表...</span> (<span class="key">ALT</span> <span class="key">P</span>) 打开窗口显示当前播放队列中的文件。双击条目将会开始播放。</p>
<img src="../images/apps-images/mediaplayer-playlist.png" alt="mediaplayer-playlist.png" />
<p>您可以通过拖拽将更多文件添加到列表,也可以通过拖拽重新排序。通过 <span class="menu">编辑</span> 菜单您可以 <span class="menu">随机播放</span><span class="menu">移除</span>、(<span class="key">删除</span>) 列表中的条目,或通过 <span class="menu">删除到垃圾箱</span> 删除磁盘文件(<span class="key">ALT</span> <span class="key">T</span>)。</p>
<p>当然,您也可以 <span class="menu">保存</span> 播放列表以便之后 <span class="menu">打开</span>,或这双击播放列表文件打开。</p>
<h2>设置</h2>
<p>有几个设置可以更好地控制媒体播放器的行为:</p>
<img src="../images/apps-images/mediaplayer-settings.png" alt="mediaplayer-settings.png" />
<p>The first batch, <span class="menu">Play mode</span>, is pretty self-explaining.<br />
Start playback automatically, close windows when finished or play clips in a loop.<br />
From the pop-up menu you choose MediaPlayer's launch behavior. Should it resume playing where it left off last time: <span class="menu">always</span>, <span class="menu">never</span>, or <span class="menu">ask every time</span>.</p>
<p>Next are different <span class="menu">View options</span>.<br />
You can opt to <span class="menu">Use hardware overlay if available</span>, which cuts down CPU usage but only works for one video window and needs a supporting video card driver.<br />
You can <span class="menu">Scale movies smoothly</span> (when not in overlay mode) which uses very fast filtering to smooth over otherwise blocky pixels when zooming video or watching in full-screen mode.<br />
<span class="menu">Scale controls in full-screen mode</span> if you prefer slightly bigger controls, maybe because you watch the screen from a bit farther away when in full-screen mode.<br />
Then there are settings for <span class="menu">Subtitle size</span> and <span class="menu">Subtitle placement</span>. They can be shown at the <span class="menu">Bottom of video</span>, which will always have them overlayed over the picture. Or <span class="menu">Bottom of screen</span>, which allows you to resize the window vertically and have the subtitles appear in the black bar at the bottom instead.</p>
<p>最后的设置用于决定未激活窗口的片段的音量。您可以将其设置为 <span class="menu">全音量</span>,至少为 <span class="menu">低音量</span> 或者直接 <span class="menu">静音</span></p>
<h2>键盘控制</h2>
<p>媒体播放器提供了简便的快捷键以控制媒体的播放。</p>
<table summary="keycombos" border="0" cellspacing="0" cellpadding="2">
<tr><td><span class="key">Z</span></td><td style="width:15px;"></td><td>跳转到上一个。</td></tr>
<tr><td><span class="key">X</span></td><td></td><td>播放</td></tr>
<tr><td><span class="key">C</span></td><td></td><td>暂停</td></tr>
<tr><td><span class="key">V</span></td><td></td><td>停止</td></tr>
<tr><td><span class="key">B</span></td><td></td><td>跳转到下一个</td></tr>
</table>
<p>这些快捷键和控制按键的功能相绑定。它们通常是键盘左下边的按键,也就是说,它们和您的当前键盘使用相独立。上述按键与标准美式键盘相对应。</p>
<table summary="keycombos" border="0" cellspacing="0" cellpadding="2">
<tr><td align="right"><span class="key"></span> / <span class="key"></span></td><td style="width:15px;"></td><td>向前/向后查找</td></tr>
<tr><td align="right"><span class="key">SHIFT</span> <span class="key"></span> / <span class="key"></span></td><td></td><td>后退/前进 10 秒</td></tr>
<tr><td align="right"><span class="key">ALT</span> <span class="key"></span> / <span class="key"></span></td><td></td><td>后退/前进 30 秒</td></tr>
<tr><td align="right"><span class="key"></span> / <span class="key"></span></td><td></td><td>减小/增大音量</td></tr>
<tr><td align="right"><span class="key">ALT</span> <span class="key"></span> / <span class="key"></span></td><td></td><td>跳过到下一个/上一个轨道</td></tr>
<tr><td align="right"><span class="key">空格键</span></td><td></td><td>切换 播放/暂停</td></tr>
<tr><td align="right"><span class="key">ALT</span> <span class="key">ENTER</span></td><td></td><td>切换全屏模式(也可以通过双击屏幕区域,或者按下 <span class="key">F</span> 或者 <span class="key">TAB</span> 完成)</td></tr>
<tr><td class="onelinetop" align="right"><span class="key">ALT</span> <span class="key">SHIFT</span> <span class="key">0</span> / <span class="key">1</span> / <span class="key">2</span> / <span class="key">3</span></td><td></td><td>修改屏幕长宽比为 <span class="menu">流媒体设置</span>(视频编码原生模式),<span class="menu">无长宽比修正模式</span> (将视频像素以 1:1 比例映射到屏幕),<span class="menu">4:3</span><span class="menu">16:9</span></td></tr>
</table>
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