Re: How to implement DRM using USB?

["JackRain" <hejieming@xxxxxxxxx>]

Greg KH,您好！

	

======= 2006-07-08 03:44:02 您在来信中写道：=======

>On Thu, Jul 06, 2006 at 09:46:31AM +0800, JackRain wrote:
>> linux-usb-users????????
>> 
>> 	     I wanna implement DRM using USB.
>> 
>>          must the DRM be implemented in usb HS ?? or FS is enough?
>
>What do you mean by this?
		
		because DRM can be implement on MTP(media transfer protocol) from microsoft 
>> 	     I found my DRM using FS is very low transfer speed,only 10kB/s 
>> 
>>          and it takes very long time for Windows player to identify this DRM device.
>> 
>>          thank you!
>
>What does Windows player have to do with Linux?

		becuase my Portable multimedia player board is run on linux .

		maybe not so much to do with linux.

		I wanna know why my mtp stack can not response MTP opcode 0x9802 for mp3 samplerate property.

		when pc issue DO command token (0x9802),my device responses with the correct code ,but can't get pc tohrn again

		thanks!
>thanks,
>
>greg k-h

= = = = = = = = = = = = = = = = = = = =
			

　　　　　　　　致
礼！
 
				 
　　　　　　　　JackRain
　　　　　　　　hejieming@xxxxxxxxx
　　　　　　　　　　2006-07-08

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