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Type: Posts; User: fakhir

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  1. Replies
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    UseBuffer and AllocateBuffer

    According to the IL 1.1 specification, AllocateBuffer is only used to allocate buffers which are used for communication between the IL client and a component.

    UseBuffer on the other hand can be...
  2. Thread: Component Init

    by fakhir
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    Re:

    See the definition of OMX_COMPONENTINITTYPE in OMX_Core.h. This is the prototype of the component initialization function suggested by the specification if you're using a static component registry.
  3. Re: what is the meaning of OMX_PORTTUNNEL FLAG_READONLY?

    This flag can only be set on tunneled output ports. It means that the buffers that the output port sends to the tunneled-component's input port should be considered read-only.

    According to section...
  4. Re: component loading

    Component loading details are left to the implementation. You can use shared libraries to dynamically register and load components or can maintain a static list of registered components...
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    Parameter type mismatch in OMX_SendCommand()

    Section 3.2.2.5 of OpenMAX IL spec 1.1 states that:



    But the nParam parameter of the OMX_SendCommand() API is of type OMX_U32. So it can't have a value of -1.
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    Re: OpenMAX IL Image+Video Common Configurations

    Regarding question 1, a component can implicitly allocate its own buffers but this is not mandatory. This was one of the few problems I expect with implicit buffers so I prefer to avoid them. Another...
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    Re: OpenMAX IL Image+Video Common Configurations

    Following are some comments for your questions:

    1. The specification only puts a minimum limit on a port's buffer size (OMX_PARAM_PORTDEFINITIONTYPE.nBufferSize). So I think the caller should be...
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    Media clock updates

    Section 6.2.4.1 of the OpenMAX IL specification mentions:



    It is not clear exactly how this structure is sent to clients. Is it sent as data on the clock port? Or is it sent by the SetConfig...
  9. Re: Index to set/get video port defn. missing in OMX header

    Thats right. Another not so critical example related to video processing:

    The documentation specifies OMX_IndexConfigCommonCrop whereas the headers define OMX_IndexConfigCommonInputCrop and...
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    RE: Significance of Get/SetConfig

    Hello

    The GetParameter/SetParameter functions are meant to setting which affect component initialization and settings which are relatively static in nature. That is why the SetParameter API is...
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