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Type: Posts; User: hfrancis

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  1. Re: Is it support Float Data Types in OpenMax DL?

    Hi,

    Yes you are correct that there is no floating point versions of OpenMAX DL.

    You will have to scale your float values such that they don't overflow the maximum integer values:

    i = (int)...
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    Re: Is OpenMAX DL dead ?

    Hi Ivan,

    No, OpenMAX DL isn't dead, and the three versions (C, ARM11, Neon) of the library that ARM have produced are downloaded frequently (>2000 times in total).

    It is a bit sad that AFAIK no...
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    Re: OpenMAX DL perfomance requirements

    Hi Rebel,

    If your processor is ARM7TDMI based without any video hardware assist then interlaced 720x288 will probably take more than 500MHz for a fully hand-optimised codec.

    If you're talking...
  4. Re: are there any codecs out that support openmax DL

    Hi samson,

    There have been over 1000 downloads of the reference C code (and optimised libraries, both freely available from the ARM website), but I have not yet seen any publically available...
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    Hi Sandeep, I'm not an audio expert, so...

    Hi Sandeep,

    I'm not an audio expert, so looking at the specification it appears the second and third of these functions have "Sfb" in the name which indicates that they use scale factor bands (so...
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    Hi Preethi, It appears that this function...

    Hi Preethi,

    It appears that this function actually does the DCT (transform) before doing the reconstruct (as the TransRec name implies).

    So I think that pSrc definitely should be an OMX_U8 as...
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    Hi Sandeep, I'm not sure what you are...

    Hi Sandeep,

    I'm not sure what you are referring to by "sample application".

    If I assume you mean "an example MP3 codec that uses the OpenMAX DL API, and can be linked to an implementation of...
  8. Firstly my apologies for not replying earlier - I...

    Firstly my apologies for not replying earlier - I haven't been following this forum.

    I'm not the audio expert, but I believe that all of these three items are beyond the scope of the current...
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    The OpenMAX IL & DL v1.0 specification (PDF) and...

    The OpenMAX IL & DL v1.0 specification (PDF) and header files (.zip) are now available from here:

    http://www.khronos.org/openmax/

    You do not have to be a member to use these - although I...
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    The OpenMAX IL & DL v1.0 specification (PDF) and...

    The OpenMAX IL & DL v1.0 specification (PDF) and header files (.zip) are now available from here:

    http://www.khronos.org/openmax/
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    Re: when will be openMax Spec completed?

    The OpenMAX v1.0 specification has now been released and is available from the Khronos Website.
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