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Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
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133
Src/h264dec/ldecod/inc/block.h Normal file
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/*!
************************************************************************
* \file block.h
*
* \brief
* definitions for block decoding functions
*
* \author
* Inge Lille-Langoy <inge.lille-langoy@telenor.com> \n
* Telenor Satellite Services \n
* P.O.Box 6914 St.Olavs plass \n
* N-0130 Oslo, Norway
*
************************************************************************
*/
#ifndef _BLOCK_H_
#define _BLOCK_H_
#include "global.h"
#include "transform8x8.h"
static const byte QP_SCALE_CR[52]=
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,
12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,
28,29,29,30,31,32,32,33,34,34,35,35,36,36,37,37,
37,38,38,38,39,39,39,39
};
//! look up tables for FRExt_chroma support
static const unsigned char subblk_offset_x[3][8][4] =
{
{
{0, 4, 0, 4},
{0, 4, 0, 4},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
},
{
{0, 4, 0, 4},
{0, 4, 0, 4},
{0, 4, 0, 4},
{0, 4, 0, 4},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
},
{
{0, 4, 0, 4},
{8,12, 8,12},
{0, 4, 0, 4},
{8,12, 8,12},
{0, 4, 0, 4},
{8,12, 8,12},
{0, 4, 0, 4},
{8,12, 8,12}
}
};
static const unsigned char subblk_offset_y[3][8][4] =
{
{
{0, 0, 4, 4},
{0, 0, 4, 4},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0}
},
{
{0, 0, 4, 4},
{8, 8,12,12},
{0, 0, 4, 4},
{8, 8,12,12},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0},
{0, 0, 0, 0}
},
{
{0, 0, 4, 4},
{0, 0, 4, 4},
{8, 8,12,12},
{8, 8,12,12},
{0, 0, 4, 4},
{0, 0, 4, 4},
{8, 8,12,12},
{8, 8,12,12}
}
};
static const byte decode_block_scan[16] = {0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15};
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} };
extern void iMBtrans4x4(Macroblock *currMB, ColorPlane pl, int smb);
extern void iMBtrans8x8(Macroblock *currMB, ColorPlane pl);
extern void itrans_sp_cr(Macroblock *currMB, int uv);
extern void intrapred_chroma (Macroblock *currMB, int uv);
extern void Inv_Residual_trans_4x4(Macroblock *currMB, ColorPlane pl, int ioff, int joff);
extern void Inv_Residual_trans_8x8(Macroblock *currMB, ColorPlane pl, int ioff,int joff);
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);
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);
extern int intrapred (Macroblock *currMB, ColorPlane pl, int ioff,int joff,int i4,int j4);
extern void itrans_2 (Macroblock *currMB, ColorPlane pl);
extern void iTransform (Macroblock *currMB, ColorPlane pl, int smb);
extern void copy_image_data (imgpel **imgBuf1, imgpel **imgBuf2, int dest_x, int src_x, int width, int height);
extern void copy_image_data_16x16 (imgpel **imgBuf1, imgpel **imgBuf2, int dest_x, int src_x);
extern void copy_image_data_16x16_stride_c(struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
extern void copy_image_data_16x16_stride_sse(struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
extern void copy_image_data_8x8_stride (struct video_image *destination, int dest_x, int dest_y, const h264_imgpel_macroblock_t source);
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);
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);
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);
#endif