擅长:python、mysql、java
<p><strong>或者</strong>您现在可以使用GStreamer 1.0</p>
<p>您将在那里找到新的属性<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-playbin.html#GstPlayBin--audio-filter" rel="nofollow">^{<cd1>}</a>和<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-plugins/html/gst-plugins-base-plugins-playbin.html#GstPlayBin--video-filter" rel="nofollow">^{<cd2>}</a>,它们可用于将元素(如<code>level)</code>)连接到playbin</p>
<p>通过Python GObject内省,可以很容易地做到这一点:</p>
<pre><code>level = Gst.ElementFactory.make('level')
playbin = Gst.ElementFactory.make("playbin")
playbin.props.audio_filter = level
</code></pre>