How to install ffmpeg in a phpnow1.5.6 environment in Windows

How to install ffmpeg in the phpnow1.5.6 environment built in Windows? I found a lot on the Internet, and I don't know much about it, when installing php & nbsp; mysql & nbsp; apache, the phpnow-1 is used. how to install ffmpeg in a phpnow1.5.6 environment in Windows
On the Internet to find a lot of are not suitable for the installation is not successful, and the php is not very familiar with, when installing php mysql apache, the use of phpnow-1.5.6, installed version is php5.2.14, mysql is 5.0, and apache is 2.0.63.

In addition, there is a strange phenomenon that I use The output position of php. ini is in the C:/window directory, but I cannot find the output file, for example:
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Loaded Configuration File: this is actually used.
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I have installed it successfully. for details, refer to my installation record:
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