Difference between revisions of "MVDSTD:ProcessNALUnit"

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m (Yellows8 moved page MVDSTD:DecodeFrame to MVDSTD:ProcessNALUnit)
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| 1
 
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| Virtual addr for the input video frame.
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| Virtual addr for the input buffer.
 
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| 2
 
| 2
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| 3
 
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| Frame byte-size.
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| Buffer byte-size.
 
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=Description=
 
=Description=
This starts the video frame decoding. Once finished the output data is written to the buffer listed [[MVDSTD:Initialize|here]].
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This processes the specified NAL-unit. This seems to always start with the 3-byte NAL prefix(00 00 01). Following that is the actual NAL-unit.
  
This is only used for H264, not MJPEG.
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This is only used for H.264, not color-conversion.

Revision as of 22:06, 19 April 2016

Request

Index Word Description
0 Header code [0x00080142]
1 Virtual addr for the input buffer.
2 Physical addr, normally the above vaddr converted to physaddr.
3 Buffer byte-size.
4 Sequence-number / ID. The range normally used for this is 0x0..0x12. This value starts at 0x0, after value 0x12 is used the value that would be used for the next one is reset to zero.
5 ?
6 Value 0x0
7 KProcess handle

Response

Index Word Description
0 Header code
1 Resultcode

Description

This processes the specified NAL-unit. This seems to always start with the 3-byte NAL prefix(00 00 01). Following that is the actual NAL-unit.

This is only used for H.264, not color-conversion.