134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
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/*!
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************************************************************************
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* \file block.h
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*
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* \brief
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* definitions for block decoding functions
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*
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* \author
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* Inge Lille-Langoy <inge.lille-langoy@telenor.com> \n
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* Telenor Satellite Services \n
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* P.O.Box 6914 St.Olavs plass \n
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* N-0130 Oslo, Norway
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*
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************************************************************************
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*/
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#ifndef _BLOCK_H_
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#define _BLOCK_H_
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#include "global.h"
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#include "transform8x8.h"
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static const byte QP_SCALE_CR[52]=
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{
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,
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12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,
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28,29,29,30,31,32,32,33,34,34,35,35,36,36,37,37,
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37,38,38,38,39,39,39,39
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};
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//! look up tables for FRExt_chroma support
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static const unsigned char subblk_offset_x[3][8][4] =
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{
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{
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{0, 4, 0, 4},
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{0, 4, 0, 4},
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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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{0, 0, 0, 0},
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{0, 0, 0, 0},
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},
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{
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{0, 4, 0, 4},
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{0, 4, 0, 4},
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{0, 4, 0, 4},
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{0, 4, 0, 4},
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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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{
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{0, 4, 0, 4},
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{8,12, 8,12},
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{0, 4, 0, 4},
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{8,12, 8,12},
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{0, 4, 0, 4},
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{8,12, 8,12},
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{0, 4, 0, 4},
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{8,12, 8,12}
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}
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};
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static const unsigned char subblk_offset_y[3][8][4] =
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{
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{
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{0, 0, 4, 4},
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{0, 0, 4, 4},
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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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{0, 0, 0, 0},
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{0, 0, 0, 0}
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},
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{
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{0, 0, 4, 4},
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{8, 8,12,12},
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{0, 0, 4, 4},
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{8, 8,12,12},
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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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{
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{0, 0, 4, 4},
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{0, 0, 4, 4},
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{8, 8,12,12},
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{8, 8,12,12},
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{0, 0, 4, 4},
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{0, 0, 4, 4},
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{8, 8,12,12},
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{8, 8,12,12}
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}
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};
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static const byte decode_block_scan[16] = {0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15};
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static const int cof4_pos_to_subblock[4][4] = { { 0, 1, 4, 5}, {2,3,6,7}, {8,9,12,13}, {10,11,14,15} };
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extern void iMBtrans4x4(Macroblock *currMB, ColorPlane pl, int smb);
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extern void iMBtrans8x8(Macroblock *currMB, ColorPlane pl);
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extern void itrans_sp_cr(Macroblock *currMB, int uv);
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extern void intrapred_chroma (Macroblock *currMB, int uv);
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extern void Inv_Residual_trans_4x4(Macroblock *currMB, ColorPlane pl, int ioff, int joff);
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extern void Inv_Residual_trans_8x8(Macroblock *currMB, ColorPlane pl, int ioff,int joff);
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extern void itrans4x4_c(const h264_short_block_t tblock, const h264_imgpel_macroblock_t mb_pred, h264_imgpel_macroblock_t mb_rec, int pos_x, int pos_y);
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extern void itrans4x4_mmx(const h264_short_block_t tblock, const h264_imgpel_macroblock_t mb_pred, h264_imgpel_macroblock_t mb_rec, int pos_x, int pos_y);
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extern int intrapred (Macroblock *currMB, ColorPlane pl, int ioff,int joff,int i4,int j4);
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extern void itrans_2 (Macroblock *currMB, ColorPlane pl);
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extern void iTransform (Macroblock *currMB, ColorPlane pl, int smb);
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extern void copy_image_data (imgpel **imgBuf1, imgpel **imgBuf2, int dest_x, int src_x, int width, int height);
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extern void copy_image_data_16x16 (imgpel **imgBuf1, imgpel **imgBuf2, int dest_x, int src_x);
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extern void copy_image_data_16x16_stride_c(struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
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extern void copy_image_data_16x16_stride_sse(struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
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extern void copy_image_data_8x8_stride (struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
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extern void copy_image_data_8x8_stride2 (struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source, int src_x, int src_y);
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extern void copy_image_data_4x4_stride (struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source, int src_x, int src_y);
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extern void copy_image_data_stride (struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source, int width, int height);
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#endif
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