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闪客论坛Flash 开发 【Flash Media Server】动态缓冲技术

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动态缓冲技术

张小鱼

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2008-03-04 11:42 | 只看楼主

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动态缓冲技术

B]The rise of the dynamic buffering

Using the onStatus event of our netStream object, we are able to recognise when the buffer is full or empty. So, we can set a starting buffer lenght and then, reached the buffer full status, we can set it to an higher value to exploit the bandwidth eventually in excess. If the buffer goes empty, we can lower the buffer lenght again to the starting value. The code is quite simple:

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// Init
...
startBL=2; mainBL=15;
in_ns.setBufferTime(startBL);
in_ns.onStatus = Status;

function Status(infoObject

bject) {
if (infoObject["code"]=="NetStream.Buffer.Full"){in_ns.setBufferTime(mainBL);};
if (infoObject["code"]=="NetStream.Buffer.Empty"){in_ns.setBufferTime(startBL);};
};

Let's take a look at the dynamic buffer behaviour

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闪客论坛Flash 开发【Flash Media Server】 动态缓冲技术

动态缓冲技术

动态缓冲技术

闪客论坛Flash 开发【Flash Media Server】动态缓冲技术