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Line 6... |
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TUT
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TUT
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ip.hwp.accelerator
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ip.hwp.accelerator
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hibi_dct
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hibi_dct
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1.0
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1.0
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DCT to Hibi. Connects dctQidct block to HIBI Wrapper
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This block combines dct to hibi dctQidct block together
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DCT_TO_HIBI Connects dctQidct block to HIBI Wrapper
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Input:
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Input:
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1. Two address to send the results to (one for quant, one for idct)
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1. Address to send the results to quant
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2. Address to send the results to idct (set unused address if you don't use this)
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2. Control word for the current macroblock
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2. Control word for the current macroblock
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Control word structure: bit 6: chroma(1)/luma(0), 5: intra(1)/inter(0),
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Control word structure: bit 6: chroma(1)/luma(0) NOT USED,
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5: intra(1)/inter(0),
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4..0: quantizer parameter (QP)
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4..0: quantizer parameter (QP)
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3. Then the DCT data ( 8x8x6 x 16-bit values = 384 x 16 bit )
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3. Then the DCT data ( 8x8x6 x 16-bit values = 384 x 16 bit )
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Chroma/luma: 4 luma, 2 chroma
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Only 9b DCT data values are supported currently.
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Send two DCT-values packed to upper and lower 16bits in the sigle hibi transmission.
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<31------------------16--------------------0> BIT index
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DCT_DATA_1 DCT_DATA_0 DATA
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NOTE: If self release is used (use_self_rel_g=1) user gets the signal that dct_to_hibi is ready to receive data.
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By default self release is disabled and you user can send data to dct_to_hibi after quant results are received.
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Outputs:
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Outputs:
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Outputs are 16-bit words which are packed up to hibi. If hibi width is
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Outputs are 16-bit words which are packed up to hibi. If hibi width is
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32b, then 2 16-bit words are combined into one hibi word.
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32b, then 2 16-bit words are combined into one hibi word.
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01. quant results: 1. 8*8 x 16bit values to quant result address
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01. quant results: 1. 8*8 x 16bit values to quant result address
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