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wma library in memory position

sam lai
Prodigy 210 points

Hi All : 

I got a problem about the wma library. 

https://dl.dropbox.com/u/18287045/wma_lib_mem_mod.patch

According the above patch, we changed the library position in RAM. 

The decode result would be failed after running the wma sample. 

I don't see the restriction in the release document. 

Please help solve the problem and verify the restrictions.

  • 0
    Prodigy 210 points

    Dear All : 

    Do you have any comments on this problem???

  • 0 in reply to sam lai
    TI__Mastermind 30120 points

    Hi,

    What device is this for?

    Which .cmd file is failing? a/WMAdec_rev3_bck.cmd  or  b/WMAdec_rev3.cmd?

    Are these programs being booted? If so, you must not place any code into SARAM31 (this memory is used by the bootloader). Your program can use it after the bootloader completes.

    Also, does the WMA library require any memory alignment? You can force alignemtn in the .cmd file.

    Hope this helps,
    Mark

  • 0 in reply to Mark M
    Prodigy 210 points

    Dear Mark : 

    Thanks for your reply.

    a/WMAdec_rev3_bck.cmd : original command file in wma decoder sample.

    b/WMAdec_rev3.cmd : modified command file. 


    b/WMAdec_rev3.cmd is the failing file. 

    The wma library is downloaded from TI website.

    http://software-dl.ti.com/dsps/dsps_public_sw/codecs/C55X_Audio/index_FDS.html

    Wma9 Decoder, Version 1.00.00.001.

    Please help check if the library require any memory alignment ? 

    Sam.