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/******************************************************************************
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#include <stdio.h>
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#include "iv_datatypedef.h"
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#include "iv.h"
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#include "impeg2_buf_mgr.h"
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#include "impeg2_disp_mgr.h"
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#include "impeg2_defs.h"
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#include "impeg2_platform_macros.h"
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#include "impeg2_globals.h"
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/* Table for converting the quantizer_scale_code to quantizer_scale */
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const UWORD8 gau1_impeg2_non_linear_quant_scale[] =
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{
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0, 1, 2, 3, 4, 5, 6, 7,
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8,10,12,14,16,18,20,22,
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24,28,32,36,40,44,48,52,
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56,64,72,80,88,96,104,112
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};
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/* Default quantizer matrix to be used for intra blocks */
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const UWORD8 gau1_impeg2_intra_quant_matrix_default[] =
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{
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8, 16, 19, 22, 26, 27, 29, 34,
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16, 16, 22, 24, 27, 29, 34, 37,
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19, 22, 26, 27, 29, 34, 34, 38,
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22, 22, 26, 27, 29, 34, 37, 40,
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22, 26, 27, 29, 32, 35, 40, 48,
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26, 27, 29, 32, 35, 40, 48, 58,
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26, 27, 29, 34, 38, 46, 56, 69,
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27, 29, 35, 38, 46, 56, 69, 83
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};
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/* Default quantizer matrix to be used for inter blocks */
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const UWORD8 gau1_impeg2_inter_quant_matrix_default[] =
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{
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16,
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16,16,16,16,16,16,16,16
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};
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/* Table to perform inverse scan when the scan direction is zigzag */
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const UWORD8 gau1_impeg2_inv_scan_zig_zag[] =
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{
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0, 1, 8, 16, 9, 2, 3, 10,
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17, 24, 32, 25, 18, 11, 4, 5,
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12, 19, 26, 33, 40, 48, 41, 34,
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27, 20, 13, 6, 7, 14, 21, 28,
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35, 42, 49, 56, 57, 50, 43, 36,
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29, 22, 15, 23, 30, 37, 44, 51,
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58, 59, 52, 45, 38, 31, 39, 46,
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53, 60, 61, 54, 47, 55, 62, 63
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};
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/* Table to perform inverse scan when the direction of scanning is vertical */
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const UWORD8 gau1_impeg2_inv_scan_vertical[] =
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{
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0, 8, 16, 24, 1, 9, 2, 10,
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17, 25, 32, 40, 48, 56, 57, 49,
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41, 33, 26, 18, 3, 11, 4, 12,
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19, 27, 34, 42, 50, 58, 35, 43,
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51, 59, 20, 28, 5, 13, 6, 14,
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21, 29, 36, 44, 52, 60, 37, 45,
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53, 61, 22, 30, 7, 15, 23, 31,
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38, 46, 54, 62, 39, 47, 55, 63
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};
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/*****************************************************************************/
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/* Table that indicate which interpolation type is to used */
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/*****************************************************************************/
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/* Chroma when motion vector is positive */
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const UWORD16 gau2_impeg2_chroma_interp_mv[][16] =
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{
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/* Pos X Pos Y */
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{
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0, 0, 1, 1,
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0, 0, 1, 1,
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2, 2, 3, 3,
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2, 2, 3, 3
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},
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/* Neg X Pos Y */
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{
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0, 1, 1, 0,
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0, 1, 1, 0,
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2, 3, 3, 2,
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2, 3, 3, 2
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},
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/* Pos X Neg Y */
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{
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0, 0, 1, 1,
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2, 2, 3, 3,
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2, 2, 3, 3,
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0, 0, 1, 1
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},
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/* Neg X Neg Y */
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{
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0, 1, 1, 0,
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2, 3, 3, 2,
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2, 3, 3, 2,
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0, 1, 1, 0
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}
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};
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/*****************************************************************************/
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/* Input #1 Offset in bytes */
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/*****************************************************************************/
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/* Chroma */
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const UWORD16 gau2_impeg2_chroma_interp_inp1[][16] =
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{
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/* Pos X Pos Y */
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{
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0
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},
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/* Neg X Pos Y */
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{
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0, 0, 0, 4,
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0, 0, 0, 4,
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0, 0, 0, 4,
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0, 0, 0, 4
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},
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/* Pos X Neg Y */
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{
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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72, 72, 72, 72
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},
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/* Neg X Neg Y */
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{
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0, 0, 0, 4,
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0, 0, 0, 4,
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0, 0, 0, 4,
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72, 72, 72, 76
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}
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};
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/* Luma */
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const UWORD16 gau2_impeg2_luma_interp_inp1[] =
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{
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1, 1, 3, 3,
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1, 1, 3, 3,
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37, 37, 39, 39,
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37, 37, 39, 39
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};
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/*****************************************************************************/
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/* Input #2 Offset from Input #1 in bytes */
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/*****************************************************************************/
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/*
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FXFY 0,
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HXFY 2,
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FXHY 36,
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HXHY 36
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*/
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const UWORD16 gau2_impeg2_luma_interp_inp2[] =
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{
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0, 2, 0, 2,
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36, 36, 36, 36,
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0, 2, 0, 2,
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36, 36, 36, 36
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};
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const UWORD16 gau2_impeg2_chroma_interp_inp2[] =
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{
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/* FXFY */
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0,
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/* HXFY */
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4,
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/* FXHY */
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72,
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/* HXHY */
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72
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};
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/*****************************************************************************/
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/* Corresponds to Table 6-4 frame_rate_value of the standard */
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/*****************************************************************************/
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/*
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frame_rate_code frame_rate_value
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0000 Forbidden
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0001 24 000 <20> 1001
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0010 24
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0011 25
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0100 30 000 <20> 1001
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0101 30
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0110 50
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0111 60 000 <20> 1001
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1000 60
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1001 Reserved
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....
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1111 Reserved
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*/
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const UWORD16 gau2_impeg2_frm_rate_code[][2] =
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{
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{1 , 1}, /* Forbidden */
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{24000, 1001},
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{24000, 1000},
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{25000, 1000},
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{30000, 1001},
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{30000, 1000},
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{50000, 1000},
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{60000, 1001},
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{60000, 1000}
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/* Rest reserved */
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};
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const WORD16 gai2_impeg2_idct_q15[] =
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{
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23170, 23170, 23170, 23170, 23170, 23170, 23170, 23170,
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32138, 27246, 18205, 6393, -6393, -18205, -27246, -32138,
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30274, 12540, -12540, -30274, -30274, -12540, 12540, 30274,
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27246, -6393, -32138, -18205, 18205, 32138, 6393, -27246,
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23170, -23170, -23170, 23170, 23170, -23170, -23170, 23170,
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18205, -32138, 6393, 27246, -27246, -6393, 32138, -18205,
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12540, -30274, 30274, -12540, -12540, 30274, -30274, 12540,
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6393, -18205, 27246, -32138, 32138, -27246, 18205, -6393,
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};
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const WORD16 gai2_impeg2_idct_q11[] =
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{
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1448, 1448, 1448, 1448, 1448, 1448, 1448, 1448,
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2009, 1703, 1138, 400, -400, -1138, -1703, -2009,
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1892, 784, -784, -1892, -1892, -784, 784, 1892,
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1703, -400, -2009, -1138, 1138, 2009, 400, -1703,
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1448, -1448, -1448, 1448, 1448, -1448, -1448, 1448,
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1138, -2009, 400, 1703, -1703, -400, 2009, -1138,
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784, -1892, 1892, -784, -784, 1892, -1892, 784,
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400, -1138, 1703, -2009, 2009, -1703, 1138, -400,
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};
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const WORD16 gai2_impeg2_idct_even_8_q15[][8] =
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{
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{ 23170, 23170, 23170, 23170, 23170, 23170, 23170, 23170 },
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{ 12540, -30274, 12540, -30274, 12540, -30274, 12540, -30274 },
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{ 30274, 12540, 30274, 12540, 30274, 12540, 30274, 12540 },
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{ 23170, -23170, 23170, -23170, 23170, -23170, 23170, -23170 }
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};
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const WORD16 gai2_impeg2_idct_odd_8_q15[][8] =
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{
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{ 32138, 27246, 32138, 27246, 32138, 27246, 32138, 27246 },
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{ 18205, 6393, 18205, 6393, 18205, 6393, 18205, 6393 },
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{ 27246, -6393, 27246, -6393, 27246, -6393, 27246, -6393 },
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{ 32138, 18205, 32138, 18205, 32138, 18205, 32138, 18205 },
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{ 18205, -32138, 18205, -32138, 18205, -32138, 18205, -32138 },
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{ 6393, 27246, 6393, 27246, 6393, 27246, 6393, 27246 },
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{ 6393, -18205, 6393, -18205, 6393, -18205, 6393, -18205 },
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{ 27246, -32138, 27246, -32138, 27246, -32138, 27246, -32138 },
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};
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const WORD16 gai2_impeg2_idct_even_8_q11[][8] =
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{
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{ 1448, 1448, 1448, 1448, 1448, 1448, 1448, 1448 },
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{ 784, -1892, 784, -1892, 784, -1892, 784, -1892 },
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{ 1892, 784, 1892, 784, 1892, 784, 1892, 784 },
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{ 1448, -1448, 1448, -1448, 1448, -1448, 1448, -1448 }
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};
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const WORD16 gai2_impeg2_idct_odd_8_q11[][8] =
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{
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{ 2009, 1703, 2009, 1703, 2009, 1703, 2009, 1703 },
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{ 1138, 400, 1138, 400, 1138, 400, 1138, 400 },
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{ 1703, -400, 1703, -400, 1703, -400, 1703, -400 },
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{ 2009, 1138, 2009, 1138, 2009, 1138, 2009, 1138 },
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{ 1138, -2009, 1138, -2009, 1138, -2009, 1138, -2009 },
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{ 400, 1703, 400, 1703, 400, 1703, 400, 1703 },
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{ 400, -1138, 400, -1138, 400, -1138, 400, -1138 },
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{ 1703, -2009, 1703, -2009, 1703, -2009, 1703, -2009 },
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};
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/*****************************************************************************/
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/* Last row IDCT Coefficients in Q11 format */
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/*****************************************************************************/
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const WORD16 gai2_impeg2_idct_last_row_q11[] =
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{
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400, -1138, 1703, -2009, 2009, -1703, 1138, -400,
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};
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const WORD16 gai2_impeg2_idct_first_col_q15[] =
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{
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23170, 32138, 30274, 27246, 23170, 18205, 12540, 6393,
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};
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const WORD16 gai2_impeg2_idct_first_col_q11[] =
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{
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1448, 2009, 1892, 1703, 1448, 1138, 784, 400,
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};
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/*****************************************************************************/
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/* Output of first stage dct (using gai2_impeg2_idct_q15 as coeffs) */
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/* for a 1D data (0, 0, 0, 0, 0, 0, 0, 1) */
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/*****************************************************************************/
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const WORD16 gai2_impeg2_mismatch_stg1_outp[] =
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{
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2, -4, 7, -8, 8, -7, 4, -2
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};
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const WORD16 gai2_impeg2_mismatch_stg2_additive[] =
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{
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800, -2276, 3406, -4018, 4018, -3406, 2276, -800,
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-1600, 4552, -6812, 8036, -8036, 6812, -4552, 1600,
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2800, -7966, 11921, -14063, 14063, -11921, 7966, -2800,
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-3200, 9104, -13624, 16072, -16072, 13624, -9104, 3200,
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3200, -9104, 13624, -16072, 16072, -13624, 9104, -3200,
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-2800, 7966, -11921, 14063, -14063, 11921, -7966, 2800,
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1600, -4552, 6812, -8036, 8036, -6812, 4552, -1600,
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-800, 2276, -3406, 4018, -4018, 3406, -2276, 800,
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};
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const UWORD8 gau1_impeg2_zerobuf[] =
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{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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};
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/*****************************************************************************/
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/* Tables of offset needed to address block in an MB */
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/*****************************************************************************/
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const WORD16 gai2_impeg2_blk_y_off_fld[] = {0,0,1,1};
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const WORD16 gai2_impeg2_blk_y_off_frm[] = {0,0,8,8};
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const WORD16 gai2_impeg2_blk_x_off[] = {0,8,0,8};
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