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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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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. Two address to send the results to (one for quant, one for idct)
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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), 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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Chroma/luma: 4 luma, 2 chroma
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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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02. idct results: 1. 8*8 x 16bit values to idct result address
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02. idct results: 1. 8*8 x 16bit values to idct result address
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03. quant results: 2. 8*8 x 16bit values to quant result address
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03. quant results: 2. 8*8 x 16bit values to quant result address
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04. idct results: 2. 8*8 x 16bit values to idct result address
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04. idct results: 2. 8*8 x 16bit values to idct result address
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05. quant results: 3. 8*8 x 16bit values to quant result address
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05. quant results: 3. 8*8 x 16bit values to quant result address
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06. idct results: 3. 8*8 x 16bit values to idct result address
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06. idct results: 3. 8*8 x 16bit values to idct result address
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07. quant results: 4. 8*8 x 16bit values to quant result address
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07. quant results: 4. 8*8 x 16bit values to quant result address
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08. idct results: 4. 8*8 x 16bit values to idct result address
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08. idct results: 4. 8*8 x 16bit values to idct result address
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09. quant results: 5. 8*8 x 16bit values to quant result address
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09. quant results: 5. 8*8 x 16bit values to quant result address
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10. idct results: 5. 8*8 x 16bit values to idct result address
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10. idct results: 5. 8*8 x 16bit values to idct result address
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11. quant results: 6. 8*8 x 16bit values to quant result address
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11. quant results: 6. 8*8 x 16bit values to quant result address
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12. quant results: 1 word with bits 5..0 determing if 8x8 quant blocks(1-6)
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12. quant results: 1 word with bits 5..0 determing if 8x8 quant blocks(1-6)
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has all values zeros (except dc-component in intra)
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has all values zeros (except dc-component in intra)
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13. idct results: 6. 8*8 x 16bit values to idct result address
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13. idct results: 6. 8*8 x 16bit values to idct result address
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-
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-
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Total amount of 16-bit values is: 384 per result address + 1 hibi word to
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Total amount of 16-bit values is: 384 per result address + 1 hibi word to
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quantization result address.
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quantization result address.
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With default parameter:
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With default parameter:
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Total of 193 words of data to quant address (if data_width_g = 32)
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Total of 193 words of data to quant address (if data_width_g = 32)
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Total of 192 words of data to idct address (if data_width_g = 32)
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Total of 192 words of data to idct address (if data_width_g = 32)
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rst_n
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rst_n
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false
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false
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RESETn
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RESETn
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0
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0
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0
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0
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rst_n
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rst_n
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0
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0
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0
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0
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8
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8
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little
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little
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hibi_master
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clk
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false
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CLK
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0
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0
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clk
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0
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0
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8
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little
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hibi_slave
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false
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false
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AV
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AV
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0
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0
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0
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0
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hibi_av_out
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hibi_av_in
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0
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0
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0
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0
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COMM
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COMM
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4
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4
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0
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0
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hibi_comm_out
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hibi_comm_in
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4
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4
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0
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0
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DATA
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DATA
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31
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31
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0
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0
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hibi_data_out
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hibi_data_in
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31
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31
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0
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0
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RE
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EMPTY
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0
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0
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0
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0
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hibi_re_out
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hibi_empty_in
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0
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0
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0
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0
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WE
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FULL
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0
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0
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0
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0
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hibi_we_out
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hibi_full_in
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0
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0
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0
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0
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8
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8
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little
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little
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hibi_slave
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hibi_master
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false
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false
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AV
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AV
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0
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0
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0
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0
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hibi_av_in
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hibi_av_out
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0
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0
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0
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0
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COMM
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COMM
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4
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4
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0
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0
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hibi_comm_in
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hibi_comm_out
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4
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4
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0
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0
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DATA
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DATA
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31
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31
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0
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0
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hibi_data_in
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hibi_data_out
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31
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31
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0
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0
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EMPTY
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RE
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0
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0
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hibi_empty_in
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0
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0
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FULL
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0
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0
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0
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0
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hibi_full_in
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hibi_re_out
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0
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0
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0
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0
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8
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little
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clk
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false
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CLK
|
WE
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0
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0
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0
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0
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clk
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hibi_we_out
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0
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0
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0
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0
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8
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8
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little
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little
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structural
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structural
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::
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::
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structural_vhd
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structural_vhd
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VHDL:Kactus2:
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vhdl
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hibi_dct
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structural_vhdlSource
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clk
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clk
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in
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in
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0
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0
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0
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0
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rst_n
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rst_n
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in
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in
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0
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0
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0
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0
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hibi_av_in
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hibi_av_in
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in
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in
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hibi_comm_in
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hibi_comm_in
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in
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in
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4
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4
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0
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0
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"000"
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"000"
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hibi_data_in
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hibi_data_in
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in
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in
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31
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31
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0
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0
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(others => '0')
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(others => '0')
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hibi_empty_in
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hibi_empty_in
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in
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in
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'0'
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'0'
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hibi_full_in
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hibi_full_in
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in
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in
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0
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0
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hibi_av_out
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hibi_av_out
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out
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out
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hibi_comm_out
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hibi_comm_out
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out
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out
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4
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4
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0
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0
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hibi_data_out
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hibi_data_out
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out
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out
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31
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31
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0
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0
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hibi_re_out
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hibi_re_out
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out
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out
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hibi_we_out
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hibi_we_out
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out
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out
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structural_vhdlSource
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sourceFiles
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vhd/hibi_dct.vhd
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vhdlSource
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true
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work
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vcom
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-quiet -check_synthesis -work work
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true
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vhdlSource
|
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vcom
|
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-quiet -check_synthesis -work work
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true
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vhdlSource-87
|
|
vcom
|
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-quiet -check_synthesis -work work
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true
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vhdlSource-93
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vcom
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-quiet -check_synthesis -work work
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true
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IP
|
IP
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HW
|
HW
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Parameterizable
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Parameterizable
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