v_hcresampler: Added default filter coefficients
-Added filter coefficient table for 4/6/8/10 taps. -Added API to load the default coefficients -Added API to allow user to load coefficients Signed-off-by: Rohit Consul <rohit.consul@xilinx.com> Reviewed-by: Andrei Simion <andreis@xilinx.com>
This commit is contained in:
Rohit Consul
Nava kishore Manne
parent
533b4d0587
commit
4054a7aa4e
4 changed files with 359 additions and 36 deletions
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@ -1,9 +1,33 @@
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# ==============================================================
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# File generated by Vivado(TM) HLS - High-Level Synthesis from C, C++ and SystemC
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# Version: 2015.1
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# Copyright (C) 2015 Xilinx Inc. All rights reserved.
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##############################################################################
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#
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# ==============================================================
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# Copyright (C) 2015 Xilinx, Inc. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"),to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
|
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# Use of the Software is limited solely to applications:
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# (a) running on a Xilinx device, or
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# (b) that interact with a Xilinx device through a bus or interconnect.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Except as contained in this notice, the name of the Xilinx shall not be used
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# in advertising or otherwise to promote the sale, use or other dealings in
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# this Software without prior written authorization from Xilinx.
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###############################################################################
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OPTION psf_version = 2.1;
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@ -0,0 +1,104 @@
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/******************************************************************************
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*
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* Copyright (C) 2015 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xv_hcresampler_coeff.c
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* @addtogroup v_hcresampler_v1_0
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* @{
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* @details
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*
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* This file provides the default fixed coefficient sets for supported taps
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -------------------------------------------------------
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* 1.00 rco 07/31/15 Initial Release
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* </pre>
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*
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******************************************************************************/
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#include "xv_hcresampler_l2.h"
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// 4 tap filter
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const short XV_hcrsmplrcoeff_taps4[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4] =
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{
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//444->422
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{{ 0, 1024, 2048, 1024},
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{ 0, 0, 0, 0}
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},
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//422->444
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{{ 0, 0, 4096, 0},
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{ 506, 1542, 1542, 506}
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}
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};
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// 6 tap filter
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const short XV_hcrsmplrcoeff_taps6[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_6] =
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{
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//444->422
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{{ 0, 0, 1298, 1500, 1298, 0},
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{ 0, 0, 0, 0, 0, 0}
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},
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//422->444
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{{ 0, 0, 0, 4096, 0, 0},
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{-327, 792, 1583, 1583, 792, -327}
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}
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};
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// 8 tap filter
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const short XV_hcrsmplrcoeff_taps8[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_8] =
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{
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//444->422
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{{ 0, -988, 0, 1703, 2666, 1703, 0, -988},
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{ 0, 0, 0, 0, 0, 0, 0, 0}
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},
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//422->444
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{{ 0, 0, 0, 0, 4096, 0, 0, 0},
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{-423, -903, 977, 2397, 2397, 977, -903, -423}
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}
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};
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// 10 tap filter
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const short XV_hcrsmplrcoeff_taps10[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_10] =
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{
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//444->422
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{{ 0, 0, -988, 0, 1703, 2666, 1703, 0, -988, 0},
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
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},
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//422->444
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{{ 0, 0, 0, 0, 0, 4096, 0, 0, 0, 0},
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{ 305, -638, -586, 705, 2262, 2262, 705, -586, -638, 305}
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}
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};
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@ -61,9 +61,16 @@
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/**************************** Type Definitions *******************************/
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/**************************** Local Global *******************************/
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const short XV_hcrsmplrcoeff_taps4[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_4];
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const short XV_hcrsmplrcoeff_taps6[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_6];
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const short XV_hcrsmplrcoeff_taps8[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_8];
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const short XV_hcrsmplrcoeff_taps10[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_TAPS_10];
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/************************** Function Prototypes ******************************/
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static void hcrUpdateCoefficients(XV_hcresampler *pHCrsmplr, u32 coeff[2][4]);
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static void XV_hcresampler_SetCoefficients(XV_hcresampler *pHCrsmplr,
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XV_hcresampler_l2 *pHcrsmplL2Data,
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XV_HCRESAMPLER_CONVERSION convType);
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/*****************************************************************************/
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/**
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@ -98,6 +105,144 @@ void XV_HCrsmplStop(XV_hcresampler *InstancePtr)
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XV_hcresampler_DisableAutoRestart(InstancePtr);
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}
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/*****************************************************************************/
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/**
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* This function loads default filter coefficients in the chroma resampler
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* coefficient storage based on the selected TAP configuration
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*
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* @param InstancePtr is a pointer to the core instance to be worked on.
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* @param pHcrsmplL2Data is a pointer to the core instance layer 2 data.
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*
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* @return None
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*
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******************************************************************************/
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void XV_HCrsmplLoadDefaultCoeff(XV_hcresampler *InstancePtr,
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XV_hcresampler_l2 *pHcrsmplL2Data)
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{
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u16 numTaps;
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const short *coeff;
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/*
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* validates input arguments
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*/
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Xil_AssertVoid(InstancePtr != NULL);
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Xil_AssertVoid(pHcrsmplL2Data != NULL);
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numTaps = InstancePtr->Config.NumTaps;
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switch(numTaps)
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{
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case XV_HCRSMPLR_TAPS_4:
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coeff = &XV_hcrsmplrcoeff_taps4[0][0][0];
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break;
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case XV_HCRSMPLR_TAPS_6:
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coeff = &XV_hcrsmplrcoeff_taps6[0][0][0];
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break;
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case XV_HCRSMPLR_TAPS_8:
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coeff = &XV_hcrsmplrcoeff_taps8[0][0][0];
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break;
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case XV_HCRSMPLR_TAPS_10:
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coeff = &XV_hcrsmplrcoeff_taps10[0][0][0];
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break;
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default:
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xil_printf("ERR: H Chroma Resampler %d Taps Not Supported",numTaps);
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return;
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}
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XV_HCrsmplrLoadUsrCoeff(InstancePtr,
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pHcrsmplL2Data,
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numTaps,
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coeff);
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}
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/*****************************************************************************/
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/**
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* This function loads user defined filter coefficients in the horiz. chroma
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* resampler coefficient storage
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*
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* @param InstancePtr is a pointer to the core instance to be worked on.
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* @param pHcrsmplL2Data is a pointer to the core instance layer 2 data.
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* @param num_taps is the number of taps
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* @param Coeff is a pointer to user defined filter coefficients table
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*
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* @return None
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*
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******************************************************************************/
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void XV_HCrsmplrLoadUsrCoeff(XV_hcresampler *InstancePtr,
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XV_hcresampler_l2 *pHcrsmplL2Data,
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u16 num_taps,
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const short *Coeff)
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{
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int pad, offset;
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int index, phase, tap, conversion;
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/*
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* validate input arguments
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*/
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Xil_AssertVoid(InstancePtr != NULL);
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Xil_AssertVoid(pHcrsmplL2Data != NULL);
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Xil_AssertVoid(num_taps <= InstancePtr->Config.NumTaps);
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Xil_AssertVoid(Coeff != NULL);
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switch(num_taps)
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{
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case XV_HCRSMPLR_TAPS_4:
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case XV_HCRSMPLR_TAPS_6:
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case XV_HCRSMPLR_TAPS_8:
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case XV_HCRSMPLR_TAPS_10:
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break;
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default:
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xil_printf("\r\nERR: H Chroma Resampler %d TAPS not supported. (Select from 4/6/8/10)\r\n");
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return;
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}
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//determine if coefficient needs padding (effective vs. max taps)
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pad = XV_HCRSMPLR_MAX_TAPS - InstancePtr->Config.NumTaps;
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offset = ((pad) ? (pad>>1) : 0);
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index = 0;
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//Load User defined coefficients into coefficient storage
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for (conversion = 0; conversion < XV_HCRSMPLR_NUM_CONVERSIONS; ++conversion)
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{
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for (phase = 0; phase < XV_HCRSMPLR_MAX_PHASES; ++phase)
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{
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for (tap = 0; tap < num_taps; ++tap)
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{
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index = (conversion*XV_HCRSMPLR_MAX_PHASES*num_taps) + (phase*num_taps) + tap;
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pHcrsmplL2Data->coeff[conversion][phase][tap+offset] = Coeff[index];
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}
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}
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}
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if(pad) //effective taps < max_taps
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{
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for (conversion = 0; conversion < XV_HCRSMPLR_NUM_CONVERSIONS; ++conversion)
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{
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for(phase = 0; phase < XV_HCRSMPLR_MAX_PHASES; ++phase)
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{
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//pad left
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for (tap = 0; tap < offset; ++tap)
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{
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pHcrsmplL2Data->coeff[conversion][phase][tap] = 0;
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}
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//pad right
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for (tap = (num_taps+offset); tap < XV_HCRSMPLR_MAX_TAPS; ++tap)
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{
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pHcrsmplL2Data->coeff[conversion][phase][tap] = 0;
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}
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}
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}
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}
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/* Enable use of external coefficients */
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pHcrsmplL2Data->UseExtCoeff = TRUE;
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}
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/*****************************************************************************/
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/**
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* This function configures the Chroma resampler active resolution
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@ -125,6 +270,7 @@ void XV_HCrsmplSetActiveSize(XV_hcresampler *InstancePtr,
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* conversion
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*
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* @param InstancePtr is a pointer to the core instance to be worked on.
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* @param pHcrsmplL2Data is a pointer to the core instance layer 2 data.
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* @param formatIn is the input chroma format
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* @param formatOut is required chroma format
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*
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@ -132,15 +278,17 @@ void XV_HCrsmplSetActiveSize(XV_hcresampler *InstancePtr,
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*
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******************************************************************************/
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void XV_HCrsmplSetFormat(XV_hcresampler *InstancePtr,
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XV_hcresampler_l2 *pHcrsmplL2Data,
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XVidC_ColorFormat formatIn,
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XVidC_ColorFormat formatOut)
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{
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u32 K[2][4] = {{0}};
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XV_HCRESAMPLER_CONVERSION convType;
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/*
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* Assert validates the input arguments
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* validates the input arguments
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*/
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Xil_AssertVoid(InstancePtr != NULL);
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Xil_AssertVoid(pHcrsmplL2Data != NULL);
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XV_hcresampler_Set_HwReg_input_video_format(InstancePtr, formatIn);
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XV_hcresampler_Set_HwReg_output_video_format(InstancePtr, formatOut);
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@ -148,29 +296,14 @@ void XV_HCrsmplSetFormat(XV_hcresampler *InstancePtr,
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if((formatIn == XVIDC_CSF_YCRCB_422) &&
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(formatOut == XVIDC_CSF_YCRCB_444))
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{
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K[0][0] = 0;
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K[0][1] = 0;
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K[0][2] = 4096;
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K[0][3] = 0;
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K[1][0] = 506;
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K[1][1] = 1542;
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K[1][2] = 1542;
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K[1][3] = 506;
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convType = XV_HCRSMPLR_422_TO_444;
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}
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else if((formatIn == XVIDC_CSF_YCRCB_444) &&
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(formatOut == XVIDC_CSF_YCRCB_422))
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{
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K[0][0] = 0;
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K[0][1] = 1024;
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K[0][2] = 2048;
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K[0][3] = 1024;
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K[1][0] = 0;
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K[1][1] = 0;
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K[1][2] = 0;
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K[1][3] = 0;
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convType = XV_HCRSMPLR_444_TO_422;
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}
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hcrUpdateCoefficients(InstancePtr, K);
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XV_hcresampler_SetCoefficients(InstancePtr, pHcrsmplL2Data, convType);
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}
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/*****************************************************************************/
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@ -179,21 +312,36 @@ void XV_HCrsmplSetFormat(XV_hcresampler *InstancePtr,
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* required conversion
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*
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* @param pHCrsmplr is a pointer to the core instance to be worked on.
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* @param coeff is the array holding computed coefficients
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* @param pHcrsmplL2Data is a pointer to the core instance layer 2 data.
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* @param convType is the format conversion requested
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*
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* @return None
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*
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******************************************************************************/
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static void hcrUpdateCoefficients(XV_hcresampler *pHCrsmplr, u32 coeff[2][4])
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static void XV_hcresampler_SetCoefficients(XV_hcresampler *pHCrsmplr,
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XV_hcresampler_l2 *pHcrsmplL2Data,
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XV_HCRESAMPLER_CONVERSION convType)
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{
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XV_hcresampler_Set_HwReg_coefs_0_0(pHCrsmplr, coeff[0][0]);
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XV_hcresampler_Set_HwReg_coefs_0_1(pHCrsmplr, coeff[0][1]);
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XV_hcresampler_Set_HwReg_coefs_0_2(pHCrsmplr, coeff[0][2]);
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XV_hcresampler_Set_HwReg_coefs_0_3(pHCrsmplr, coeff[0][3]);
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XV_hcresampler_Set_HwReg_coefs_1_0(pHCrsmplr, coeff[1][0]);
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XV_hcresampler_Set_HwReg_coefs_1_1(pHCrsmplr, coeff[1][1]);
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XV_hcresampler_Set_HwReg_coefs_1_2(pHCrsmplr, coeff[1][2]);
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XV_hcresampler_Set_HwReg_coefs_1_3(pHCrsmplr, coeff[1][3]);
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u16 pad, offset;
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u32 baseaddr;
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u16 tap, phase,regcount;
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//determine if coefficients are padded
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pad = XV_HCRSMPLR_MAX_TAPS - pHCrsmplr->Config.NumTaps;
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offset = ((pad) ? (pad>>1) : 0);
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regcount = 0; //number of registers being written
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baseaddr = XV_HCRESAMPLER_CTRL_ADDR_HWREG_COEFS_0_0_DATA;
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baseaddr += pHCrsmplr->Config.BaseAddress;
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for(phase = 0; phase < XV_HCRSMPLR_MAX_PHASES; ++phase)
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{
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for(tap = 0; tap < pHCrsmplr->Config.NumTaps; ++tap)
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{
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Xil_Out32((baseaddr+(regcount*8)), pHcrsmplL2Data->coeff[convType][phase][offset+tap]);
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++regcount;
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}
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}
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}
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/*****************************************************************************/
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|
|
@ -106,18 +106,65 @@ extern "C" {
|
|||
#include "xv_hcresampler.h"
|
||||
|
||||
/************************** Constant Definitions *****************************/
|
||||
/** @name Hw Configuration
|
||||
* @{
|
||||
* The following constants define the horiz. resampler HW MAX configuration
|
||||
*
|
||||
*/
|
||||
#define XV_HCRSMPLR_MAX_TAPS (10)
|
||||
#define XV_HCRSMPLR_MAX_PHASES (2)
|
||||
|
||||
/**************************** Type Definitions *******************************/
|
||||
/**
|
||||
* This typedef enumerates the supported taps
|
||||
*/
|
||||
typedef enum
|
||||
{
|
||||
XV_HCRSMPLR_TAPS_4 = 4,
|
||||
XV_HCRSMPLR_TAPS_6 = 6,
|
||||
XV_HCRSMPLR_TAPS_8 = 8,
|
||||
XV_HCRSMPLR_TAPS_10 = 10,
|
||||
XV_HCRSMPLR_NUM_SUPPORTED_TAPS_CONFIG = 4
|
||||
}XV_HCRESAMPLER_TAPS;
|
||||
|
||||
/**
|
||||
* This typedef enumerates the conversion type
|
||||
*/
|
||||
typedef enum
|
||||
{
|
||||
XV_HCRSMPLR_444_TO_422 = 0,
|
||||
XV_HCRSMPLR_422_TO_444 ,
|
||||
XV_HCRSMPLR_NUM_CONVERSIONS
|
||||
}XV_HCRESAMPLER_CONVERSION;
|
||||
|
||||
/**
|
||||
* H Chroma Resampler Layer 2 data. The user is required to allocate a
|
||||
* variable of this type for every H chroma resampler device in the system.
|
||||
* A pointer to a variable of this type is then passed to the driver API
|
||||
* functions.
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
u16 UseExtCoeff;
|
||||
short coeff[XV_HCRSMPLR_NUM_CONVERSIONS][XV_HCRSMPLR_MAX_PHASES][XV_HCRSMPLR_MAX_TAPS];
|
||||
}XV_hcresampler_l2;
|
||||
|
||||
/************************** Function Prototypes ******************************/
|
||||
void XV_HCrsmplStart(XV_hcresampler *InstancePtr);
|
||||
void XV_HCrsmplStop(XV_hcresampler *InstancePtr);
|
||||
void XV_HCrsmplLoadDefaultCoeff(XV_hcresampler *InstancePtr,
|
||||
XV_hcresampler_l2 *pHcrsmplL2Data);
|
||||
void XV_HCrsmplrLoadUsrCoeff(XV_hcresampler *InstancePtr,
|
||||
XV_hcresampler_l2 *pHcrsmplL2Data,
|
||||
u16 num_taps,
|
||||
const short *Coeff);
|
||||
|
||||
void XV_HCrsmplSetActiveSize(XV_hcresampler *InstancePtr,
|
||||
u32 width,
|
||||
u32 height);
|
||||
|
||||
void XV_HCrsmplSetFormat(XV_hcresampler *InstancePtr,
|
||||
XV_hcresampler_l2 *pHcrsmplL2Data,
|
||||
XVidC_ColorFormat formatIn,
|
||||
XVidC_ColorFormat formatOut);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue