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* Borrowed LiViD's MMX and MMX EXT IDCT.
This might break things. Expect a performance increase.
This commit is contained in:
Christophe Massiot
parent
fd1220a285
commit
cf0b7cf953
@ -278,7 +278,7 @@ endif
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ifneq (,$(findstring 86,$(ARCH)))
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ifneq (,$(findstring mmx,$(ARCH)))
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ASM_OBJ =
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STD_PLUGIN_ASM = plugins/idct/idctmmx_asm.o
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STD_PLUGIN_ASM =
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endif
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endif
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@ -351,11 +351,10 @@ PLUGIN_IDCTCLASSIC = plugins/idct/idctclassic.o \
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plugins/idct/idct_common.o
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PLUGIN_IDCTMMX = plugins/idct/idctmmx.o \
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plugins/idct/idct_common.o \
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plugins/idct/idctmmx_asm.o
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plugins/idct/idct_common.o
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PLUGIN_IDCTMMXEXT = plugins/idct/idctmmxext.o \
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plugins/idct/idct_mmxext.o
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plugins/idct/idct_common.o
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PLUGIN_ALSA = plugins/alsa/alsa.o \
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plugins/alsa/aout_alsa.o
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@ -83,6 +83,7 @@ typedef struct function_list_s
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void ( * pf_idct ) ( struct vdec_thread_s * p_vdec,
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dctelem_t * p_block,
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int i_idontcare );
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void ( * pf_norm_scan ) ( u8 ppi_scan[2][64] );
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} idct;
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struct
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@ -2,7 +2,7 @@
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* idct.c : IDCT module
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idct.c,v 1.4 2001/01/16 05:04:25 sam Exp $
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* $Id: idct.c,v 1.5 2001/01/17 18:17:30 massiot Exp $
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*
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* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
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*
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@ -50,13 +50,8 @@
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* Local and extern prototypes.
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*****************************************************************************/
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static void idct_getfunctions( function_list_t * p_function_list );
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static int idct_Probe ( probedata_t *p_data );
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static void vdec_InitIDCT ( vdec_thread_t * p_vdec);
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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static void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare );
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static void vdec_NormScan ( u8 ppi_scan[2][64] );
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/*****************************************************************************
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@ -136,6 +131,7 @@ static void idct_getfunctions( function_list_t * p_function_list )
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p_function_list->functions.idct.pf_init = vdec_InitIDCT;
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p_function_list->functions.idct.pf_sparse_idct = vdec_SparseIDCT;
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p_function_list->functions.idct.pf_idct = vdec_IDCT;
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p_function_list->functions.idct.pf_norm_scan = vdec_NormScan;
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}
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/*****************************************************************************
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@ -153,28 +149,17 @@ static int idct_Probe( probedata_t *p_data )
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}
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/*****************************************************************************
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* vdec_InitIDCT : initialize datas for vdec_SparseIDCT
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* vdec_NormScan : Unused in this IDCT
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*****************************************************************************/
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static void vdec_InitIDCT (vdec_thread_t * p_vdec)
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static void vdec_NormScan( u8 ppi_scan[2][64] )
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{
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int i;
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dctelem_t * p_pre = p_vdec->p_pre_idct;
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memset( p_pre, 0, 64*64*sizeof(dctelem_t) );
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for( i=0 ; i < 64 ; i++ )
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{
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p_pre[i*64+i] = 1 << SPARSE_SCALE_FACTOR;
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vdec_IDCT( p_vdec, &p_pre[i*64], 0) ;
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}
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return;
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}
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/*****************************************************************************
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* vdec_IDCT : IDCT function for normal matrices
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*****************************************************************************/
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static void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare )
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void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare )
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{
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s32 tmp0, tmp1, tmp2, tmp3;
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s32 tmp10, tmp11, tmp12, tmp13;
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@ -2,7 +2,7 @@
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* idct.h : macros for the inverse discrete cosine transform
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idct.h,v 1.1 2001/01/13 12:57:20 sam Exp $
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* $Id: idct.h,v 1.2 2001/01/17 18:17:30 massiot Exp $
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*
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* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
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* Christophe Massiot <massiot@via.ecp.fr>
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@ -26,7 +26,7 @@
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#define DCTSIZE 8 /* 8*8 DCT */
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/*****************************************************************************
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* Macros
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* Macros
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*****************************************************************************/
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/* We assume that right shift corresponds to signed division by 2 with
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@ -140,3 +140,12 @@
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#define MULTIPLY(var,const) ((var) * (const))
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#endif
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/*****************************************************************************
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* Protoypes
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*****************************************************************************/
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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void vdec_InitIDCT ( vdec_thread_t * p_vdec );
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void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare );
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@ -2,7 +2,7 @@
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* idct_common.c : common IDCT functions
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idct_common.c,v 1.2 2001/01/15 06:18:23 sam Exp $
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* $Id: idct_common.c,v 1.3 2001/01/17 18:17:30 massiot Exp $
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*
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* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
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*
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@ -40,8 +40,23 @@
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#include "idct.h"
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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/*****************************************************************************
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* vdec_InitIDCT : initialize datas for vdec_SparseIDCT
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*****************************************************************************/
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void vdec_InitIDCT (vdec_thread_t * p_vdec)
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{
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int i;
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dctelem_t * p_pre = p_vdec->p_pre_idct;
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memset( p_pre, 0, 64*64*sizeof(dctelem_t) );
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for( i=0 ; i < 64 ; i++ )
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{
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p_pre[i*64+i] = 1 << SPARSE_SCALE_FACTOR;
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vdec_IDCT( p_vdec, &p_pre[i*64], 0) ;
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}
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return;
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}
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/*****************************************************************************
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* vdec_SparseIDCT : IDCT function for sparse matrices
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@ -1,79 +0,0 @@
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/*****************************************************************************
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* idct_mmxext.c : MMX EXT IDCT functions
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idct_mmxext.c,v 1.1 2001/01/16 13:26:46 sam Exp $
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*
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* Authors:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include "defs.h"
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#include <stdlib.h>
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#include "config.h"
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#include "common.h"
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#include "threads.h"
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#include "mtime.h"
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#include "tests.h"
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#include "video.h"
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#include "video_output.h"
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#include "video_decoder.h"
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#include "idct.h"
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/*****************************************************************************
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* Local and extern prototypes.
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*****************************************************************************/
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void vdec_InitIDCT ( vdec_thread_t * p_vdec);
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare );
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/*****************************************************************************
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* vdec_InitIDCT : initialize datas for vdec_SparseIDCT
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*****************************************************************************/
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void vdec_InitIDCT (vdec_thread_t * p_vdec)
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{
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return;
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}
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/*****************************************************************************
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* vdec_IDCT : IDCT function for normal matrices
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*****************************************************************************/
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void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare )
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{
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return;
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}
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/*****************************************************************************
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* vdec_SparseIDCT : IDCT function for sparse matrices
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*****************************************************************************/
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void vdec_SparseIDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos )
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{
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return;
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}
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@ -2,7 +2,7 @@
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* idctclassic.c : Classic IDCT module
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idctclassic.c,v 1.4 2001/01/16 05:04:25 sam Exp $
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* $Id: idctclassic.c,v 1.5 2001/01/17 18:17:30 massiot Exp $
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*
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* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
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*
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@ -50,13 +50,8 @@
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* Local and extern prototypes.
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*****************************************************************************/
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static void idct_getfunctions( function_list_t * p_function_list );
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static int idct_Probe ( probedata_t *p_data );
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static void vdec_InitIDCT ( vdec_thread_t * p_vdec);
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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static void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare );
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static void vdec_NormScan ( u8 ppi_scan[2][64] );
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/*****************************************************************************
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@ -136,6 +131,7 @@ static void idct_getfunctions( function_list_t * p_function_list )
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p_function_list->functions.idct.pf_init = vdec_InitIDCT;
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p_function_list->functions.idct.pf_sparse_idct = vdec_SparseIDCT;
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p_function_list->functions.idct.pf_idct = vdec_IDCT;
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p_function_list->functions.idct.pf_norm_scan = vdec_NormScan;
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}
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/*****************************************************************************
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@ -153,28 +149,17 @@ static int idct_Probe( probedata_t *p_data )
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}
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/*****************************************************************************
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* vdec_InitIDCT : initialize datas for vdec_SparseIDCT
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* vdec_NormScan : Unused in this IDCT
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*****************************************************************************/
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static void vdec_InitIDCT (vdec_thread_t * p_vdec)
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static void vdec_NormScan( u8 ppi_scan[2][64] )
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{
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int i;
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dctelem_t * p_pre = p_vdec->p_pre_idct;
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memset( p_pre, 0, 64*64*sizeof(dctelem_t) );
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for( i=0 ; i < 64 ; i++ )
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{
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p_pre[i*64+i] = 1 << SPARSE_SCALE_FACTOR;
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vdec_IDCT( p_vdec, &p_pre[i*64], 0) ;
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}
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return;
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}
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/*****************************************************************************
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* vdec_IDCT : IDCT function for normal matrices
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*****************************************************************************/
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static void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare )
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void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare )
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{
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/* dct classique: pour tester la meilleure entre la classique et la */
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/* no classique */
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@ -2,9 +2,13 @@
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* idctmmx.c : MMX IDCT module
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: idctmmx.c,v 1.5 2001/01/16 16:09:52 sam Exp $
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* $Id: idctmmx.c,v 1.6 2001/01/17 18:17:30 massiot Exp $
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*
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* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
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* Authors: Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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* Michel Lespinasse <walken@zoy.org>
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* Peter Gubanov <peter@elecard.net.ru>
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* (from the LiViD project)
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* Christophe Massiot <massiot@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -46,17 +50,15 @@
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#include "idct.h"
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#include "attributes.h"
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#include "mmx.h"
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/*****************************************************************************
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* Local prototypes.
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*****************************************************************************/
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static void idct_getfunctions( function_list_t * p_function_list );
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static int idct_Probe ( probedata_t *p_data );
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static void vdec_InitIDCT ( vdec_thread_t * p_vdec);
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void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_sparse_pos);
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void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
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int i_idontcare );
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static void vdec_NormScan ( u8 ppi_scan[2][64] );
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/*****************************************************************************
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@ -127,8 +129,7 @@ int DeactivateModule( module_t * p_module )
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/* Following functions are local */
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/*****************************************************************************
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* Functions exported as capabilities. They are declared as static so that
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* we don't pollute the namespace too much.
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* Functions exported as capabilities.
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*****************************************************************************/
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static void idct_getfunctions( function_list_t * p_function_list )
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{
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@ -136,6 +137,7 @@ static void idct_getfunctions( function_list_t * p_function_list )
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p_function_list->functions.idct.pf_init = vdec_InitIDCT;
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p_function_list->functions.idct.pf_sparse_idct = vdec_SparseIDCT;
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p_function_list->functions.idct.pf_idct = vdec_IDCT;
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p_function_list->functions.idct.pf_norm_scan = vdec_NormScan;
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}
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/*****************************************************************************
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@ -149,10 +151,10 @@ static int idct_Probe( probedata_t *p_data )
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{
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return( 999 );
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}
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else
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else
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{
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return( 100 );
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}
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}
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}
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else
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{
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@ -161,20 +163,348 @@ static int idct_Probe( probedata_t *p_data )
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}
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/*****************************************************************************
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* vdec_InitIDCT : initialize datas for vdec_SparceIDCT
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* vdec_NormScan : This IDCT uses reordered coeffs, so we patch the scan table
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*****************************************************************************/
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static void vdec_InitIDCT (vdec_thread_t * p_vdec)
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static void vdec_NormScan( u8 ppi_scan[2][64] )
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{
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int i;
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int i, j;
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dctelem_t * p_pre = p_vdec->p_pre_idct;
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memset( p_pre, 0, 64*64*sizeof(dctelem_t) );
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for( i=0 ; i < 64 ; i++ )
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for( i = 0; i < 64; i++ )
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{
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p_pre[i*64+i] = 1 << SPARSE_SCALE_FACTOR;
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vdec_IDCT( p_vdec, &p_pre[i*64], 0) ;
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j = ppi_scan[0][i];
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ppi_scan[0][i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
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j = ppi_scan[1][i];
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ppi_scan[1][i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
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}
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return;
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}
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/*****************************************************************************
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* vdec_IDCT :
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*****************************************************************************/
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#define ROW_SHIFT 11
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#define COL_SHIFT 6
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#define round(bias) ((int)(((bias)+0.5) * (1<<ROW_SHIFT)))
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#define rounder(bias) {round (bias), round (bias)}
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#define table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \
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c4, c6, -c4, -c2, \
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c1, c3, c3, -c7, \
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c5, c7, -c1, -c5, \
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c4, -c6, c4, -c2, \
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-c4, c2, c4, -c6, \
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c5, -c1, c7, -c5, \
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c7, c3, c3, -c1 }
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static __inline__ void RowHead( dctelem_t * row, int offset, dctelem_t * table )
|
||||
{
|
||||
movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
|
||||
|
||||
movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
|
||||
movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
|
||||
|
||||
movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4
|
||||
movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
|
||||
|
||||
punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0
|
||||
|
||||
movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4
|
||||
pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2
|
||||
|
||||
movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1
|
||||
punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4
|
||||
}
|
||||
|
||||
static __inline__ void Row( dctelem_t * table, s32 * rounder )
|
||||
{
|
||||
pmaddwd_r2r (mm2, mm4); // mm4 = -C4*x4-C2*x6 C4*x4+C6*x6
|
||||
punpckldq_r2r (mm5, mm5); // mm5 = x3 x1 x3 x1
|
||||
|
||||
pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x0-C2*x2 C4*x0-C6*x2
|
||||
punpckhdq_r2r (mm6, mm6); // mm6 = x7 x5 x7 x5
|
||||
|
||||
movq_m2r (*(table+12), mm7); // mm7 = -C5 -C1 C7 C5
|
||||
pmaddwd_r2r (mm5, mm1); // mm1 = C3*x1-C7*x3 C1*x1+C3*x3
|
||||
|
||||
paddd_m2r (*rounder, mm3); // mm3 += rounder
|
||||
pmaddwd_r2r (mm6, mm7); // mm7 = -C1*x5-C5*x7 C5*x5+C7*x7
|
||||
|
||||
pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x4-C6*x6 -C4*x4+C2*x6
|
||||
paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder
|
||||
|
||||
pmaddwd_m2r (*(table+24), mm5); // mm5 = C7*x1-C5*x3 C5*x1-C1*x3
|
||||
movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder
|
||||
|
||||
pmaddwd_m2r (*(table+28), mm6); // mm6 = C3*x5-C1*x7 C7*x5+C3*x7
|
||||
paddd_r2r (mm7, mm1); // mm1 = b1 b0
|
||||
|
||||
paddd_m2r (*rounder, mm0); // mm0 += rounder
|
||||
psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder
|
||||
|
||||
psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7
|
||||
paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder
|
||||
|
||||
paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder
|
||||
psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0
|
||||
|
||||
paddd_r2r (mm6, mm5); // mm5 = b3 b2
|
||||
movq_r2r (mm0, mm7); // mm7 = a3 a2 + rounder
|
||||
|
||||
paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder
|
||||
psubd_r2r (mm5, mm7); // mm7 = a3-b3 a2-b2 + rounder
|
||||
}
|
||||
|
||||
static __inline__ void RowTail( dctelem_t * row, int store )
|
||||
{
|
||||
psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
|
||||
|
||||
psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5
|
||||
|
||||
packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
|
||||
|
||||
packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5
|
||||
|
||||
movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
|
||||
movq_r2r (mm7, mm4); // mm4 = y6 y7 y4 y5
|
||||
|
||||
pslld_i2r (16, mm7); // mm7 = y7 0 y5 0
|
||||
|
||||
psrld_i2r (16, mm4); // mm4 = 0 y6 0 y4
|
||||
|
||||
por_r2r (mm4, mm7); // mm7 = y7 y6 y5 y4
|
||||
|
||||
// slot
|
||||
|
||||
movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4
|
||||
}
|
||||
|
||||
static __inline__ void RowMid( dctelem_t * row, int store,
|
||||
int offset, dctelem_t * table )
|
||||
{
|
||||
movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
|
||||
psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
|
||||
|
||||
movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
|
||||
psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5
|
||||
|
||||
packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
|
||||
movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
|
||||
|
||||
packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5
|
||||
movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
|
||||
|
||||
movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
|
||||
movq_r2r (mm7, mm1); // mm1 = y6 y7 y4 y5
|
||||
|
||||
punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0
|
||||
psrld_i2r (16, mm7); // mm7 = 0 y6 0 y4
|
||||
|
||||
movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4
|
||||
pslld_i2r (16, mm1); // mm1 = y7 0 y5 0
|
||||
|
||||
movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4
|
||||
por_r2r (mm1, mm7); // mm7 = y7 y6 y5 y4
|
||||
|
||||
movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1
|
||||
punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4
|
||||
|
||||
movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4
|
||||
pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2
|
||||
}
|
||||
|
||||
static __inline__ void Col( dctelem_t * col, int offset )
|
||||
{
|
||||
#define T1 13036
|
||||
#define T2 27146
|
||||
#define T3 43790
|
||||
#define C4 23170
|
||||
|
||||
static short _T1[] ATTR_ALIGN(8) = {T1,T1,T1,T1};
|
||||
static short _T2[] ATTR_ALIGN(8) = {T2,T2,T2,T2};
|
||||
static short _T3[] ATTR_ALIGN(8) = {T3,T3,T3,T3};
|
||||
static short _C4[] ATTR_ALIGN(8) = {C4,C4,C4,C4};
|
||||
static mmx_t scratch0, scratch1;
|
||||
|
||||
/* column code adapted from peter gubanov */
|
||||
/* http://www.elecard.com/peter/idct.shtml */
|
||||
|
||||
movq_m2r (*_T1, mm0); // mm0 = T1
|
||||
|
||||
movq_m2r (*(col+offset+1*8), mm1); // mm1 = x1
|
||||
movq_r2r (mm0, mm2); // mm2 = T1
|
||||
|
||||
movq_m2r (*(col+offset+7*8), mm4); // mm4 = x7
|
||||
pmulhw_r2r (mm1, mm0); // mm0 = T1*x1
|
||||
|
||||
movq_m2r (*_T3, mm5); // mm5 = T3
|
||||
pmulhw_r2r (mm4, mm2); // mm2 = T1*x7
|
||||
|
||||
movq_m2r (*(col+offset+5*8), mm6); // mm6 = x5
|
||||
movq_r2r (mm5, mm7); // mm7 = T3-1
|
||||
|
||||
movq_m2r (*(col+offset+3*8), mm3); // mm3 = x3
|
||||
psubsw_r2r (mm4, mm0); // mm0 = v17
|
||||
|
||||
movq_m2r (*_T2, mm4); // mm4 = T2
|
||||
pmulhw_r2r (mm3, mm5); // mm5 = (T3-1)*x3
|
||||
|
||||
paddsw_r2r (mm2, mm1); // mm1 = u17
|
||||
pmulhw_r2r (mm6, mm7); // mm7 = (T3-1)*x5
|
||||
|
||||
//slot
|
||||
|
||||
movq_r2r (mm4, mm2); // mm2 = T2
|
||||
paddsw_r2r (mm3, mm5); // mm5 = T3*x3
|
||||
|
||||
pmulhw_m2r (*(col+offset+2*8), mm4);// mm4 = T2*x2
|
||||
paddsw_r2r (mm6, mm7); // mm7 = T3*x5
|
||||
|
||||
psubsw_r2r (mm6, mm5); // mm5 = v35
|
||||
paddsw_r2r (mm3, mm7); // mm7 = u35
|
||||
|
||||
movq_m2r (*(col+offset+6*8), mm3); // mm3 = x6
|
||||
movq_r2r (mm0, mm6); // mm6 = v17
|
||||
|
||||
pmulhw_r2r (mm3, mm2); // mm2 = T2*x6
|
||||
psubsw_r2r (mm5, mm0); // mm0 = b3
|
||||
|
||||
psubsw_r2r (mm3, mm4); // mm4 = v26
|
||||
paddsw_r2r (mm6, mm5); // mm5 = v12
|
||||
|
||||
movq_r2m (mm0, scratch0); // save b3
|
||||
movq_r2r (mm1, mm6); // mm6 = u17
|
||||
|
||||
paddsw_m2r (*(col+offset+2*8), mm2);// mm2 = u26
|
||||
paddsw_r2r (mm7, mm6); // mm6 = b0
|
||||
|
||||
psubsw_r2r (mm7, mm1); // mm1 = u12
|
||||
movq_r2r (mm1, mm7); // mm7 = u12
|
||||
|
||||
movq_m2r (*(col+offset+0*8), mm3); // mm3 = x0
|
||||
paddsw_r2r (mm5, mm1); // mm1 = u12+v12
|
||||
|
||||
movq_m2r (*_C4, mm0); // mm0 = C4/2
|
||||
psubsw_r2r (mm5, mm7); // mm7 = u12-v12
|
||||
|
||||
movq_r2m (mm6, scratch1); // save b0
|
||||
pmulhw_r2r (mm0, mm1); // mm1 = b1/2
|
||||
|
||||
movq_r2r (mm4, mm6); // mm6 = v26
|
||||
pmulhw_r2r (mm0, mm7); // mm7 = b2/2
|
||||
|
||||
movq_m2r (*(col+offset+4*8), mm5); // mm5 = x4
|
||||
movq_r2r (mm3, mm0); // mm0 = x0
|
||||
|
||||
psubsw_r2r (mm5, mm3); // mm3 = v04
|
||||
paddsw_r2r (mm5, mm0); // mm0 = u04
|
||||
|
||||
paddsw_r2r (mm3, mm4); // mm4 = a1
|
||||
movq_r2r (mm0, mm5); // mm5 = u04
|
||||
|
||||
psubsw_r2r (mm6, mm3); // mm3 = a2
|
||||
paddsw_r2r (mm2, mm5); // mm5 = a0
|
||||
|
||||
paddsw_r2r (mm1, mm1); // mm1 = b1
|
||||
psubsw_r2r (mm2, mm0); // mm0 = a3
|
||||
|
||||
paddsw_r2r (mm7, mm7); // mm7 = b2
|
||||
movq_r2r (mm3, mm2); // mm2 = a2
|
||||
|
||||
movq_r2r (mm4, mm6); // mm6 = a1
|
||||
paddsw_r2r (mm7, mm3); // mm3 = a2+b2
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm3); // mm3 = y2
|
||||
paddsw_r2r (mm1, mm4); // mm4 = a1+b1
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm4); // mm4 = y1
|
||||
psubsw_r2r (mm1, mm6); // mm6 = a1-b1
|
||||
|
||||
movq_m2r (scratch1, mm1); // mm1 = b0
|
||||
psubsw_r2r (mm7, mm2); // mm2 = a2-b2
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm6); // mm6 = y6
|
||||
movq_r2r (mm5, mm7); // mm7 = a0
|
||||
|
||||
movq_r2m (mm4, *(col+offset+1*8)); // save y1
|
||||
psraw_i2r (COL_SHIFT, mm2); // mm2 = y5
|
||||
|
||||
movq_r2m (mm3, *(col+offset+2*8)); // save y2
|
||||
paddsw_r2r (mm1, mm5); // mm5 = a0+b0
|
||||
|
||||
movq_m2r (scratch0, mm4); // mm4 = b3
|
||||
psubsw_r2r (mm1, mm7); // mm7 = a0-b0
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm5); // mm5 = y0
|
||||
movq_r2r (mm0, mm3); // mm3 = a3
|
||||
|
||||
movq_r2m (mm2, *(col+offset+5*8)); // save y5
|
||||
psubsw_r2r (mm4, mm3); // mm3 = a3-b3
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm7); // mm7 = y7
|
||||
paddsw_r2r (mm0, mm4); // mm4 = a3+b3
|
||||
|
||||
movq_r2m (mm5, *(col+offset+0*8)); // save y0
|
||||
psraw_i2r (COL_SHIFT, mm3); // mm3 = y4
|
||||
|
||||
movq_r2m (mm6, *(col+offset+6*8)); // save y6
|
||||
psraw_i2r (COL_SHIFT, mm4); // mm4 = y3
|
||||
|
||||
movq_r2m (mm7, *(col+offset+7*8)); // save y7
|
||||
|
||||
movq_r2m (mm3, *(col+offset+4*8)); // save y4
|
||||
|
||||
movq_r2m (mm4, *(col+offset+3*8)); // save y3
|
||||
}
|
||||
|
||||
|
||||
static s32 rounder0[] ATTR_ALIGN(8) =
|
||||
rounder ((1 << (COL_SHIFT - 1)) - 0.5);
|
||||
static s32 rounder4[] ATTR_ALIGN(8) = rounder (0);
|
||||
static s32 rounder1[] ATTR_ALIGN(8) =
|
||||
rounder (1.25683487303); // C1*(C1/C4+C1+C7)/2
|
||||
static s32 rounder7[] ATTR_ALIGN(8) =
|
||||
rounder (-0.25); // C1*(C7/C4+C7-C1)/2
|
||||
static s32 rounder2[] ATTR_ALIGN(8) =
|
||||
rounder (0.60355339059); // C2 * (C6+C2)/2
|
||||
static s32 rounder6[] ATTR_ALIGN(8) =
|
||||
rounder (-0.25); // C2 * (C6-C2)/2
|
||||
static s32 rounder3[] ATTR_ALIGN(8) =
|
||||
rounder (0.087788325588); // C3*(-C3/C4+C3+C5)/2
|
||||
static s32 rounder5[] ATTR_ALIGN(8) =
|
||||
rounder (-0.441341716183); // C3*(-C5/C4+C5-C3)/2
|
||||
|
||||
void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
|
||||
int i_idontcare )
|
||||
{
|
||||
static dctelem_t table04[] ATTR_ALIGN(16) =
|
||||
table (22725, 21407, 19266, 16384, 12873, 8867, 4520);
|
||||
static dctelem_t table17[] ATTR_ALIGN(16) =
|
||||
table (31521, 29692, 26722, 22725, 17855, 12299, 6270);
|
||||
static dctelem_t table26[] ATTR_ALIGN(16) =
|
||||
table (29692, 27969, 25172, 21407, 16819, 11585, 5906);
|
||||
static dctelem_t table35[] ATTR_ALIGN(16) =
|
||||
table (26722, 25172, 22654, 19266, 15137, 10426, 5315);
|
||||
|
||||
RowHead( p_block, 0*8, table04 );
|
||||
Row( table04, rounder0 );
|
||||
RowMid( p_block, 0*8, 4*8, table04 );
|
||||
Row( table04, rounder4 );
|
||||
RowMid( p_block, 4*8, 1*8, table17 );
|
||||
Row( table17, rounder1 );
|
||||
RowMid( p_block, 1*8, 7*8, table17 );
|
||||
Row( table17, rounder7 );
|
||||
RowMid( p_block, 7*8, 2*8, table26 );
|
||||
Row( table26, rounder2 );
|
||||
RowMid( p_block, 2*8, 6*8, table26 );
|
||||
Row( table26, rounder6 );
|
||||
RowMid( p_block, 6*8, 3*8, table35 );
|
||||
Row( table35, rounder3 );
|
||||
RowMid( p_block, 3*8, 5*8, table35 );
|
||||
Row( table35, rounder5 );
|
||||
RowTail( p_block, 5*8);
|
||||
|
||||
Col( p_block, 0 );
|
||||
Col( p_block, 4 );
|
||||
}
|
||||
|
||||
|
||||
@ -1,829 +0,0 @@
|
||||
/*****************************************************************************
|
||||
* vdec_idctmmx.S : MMX IDCT implementation
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: idctmmx_asm.S,v 1.1 2001/01/13 12:57:20 sam Exp $
|
||||
*
|
||||
* Authors:
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
||||
*****************************************************************************/
|
||||
|
||||
/*
|
||||
* the input data is tranposed and each 16 bit element in the 8x8 matrix
|
||||
* is left aligned:
|
||||
* for example in 11...1110000 format
|
||||
* If the iDCT is of I macroblock then 0.5 needs to be added to the;DC Component
|
||||
* (element[0][0] of the matrix)
|
||||
*/
|
||||
|
||||
.data
|
||||
.align 16
|
||||
.type preSC,@object
|
||||
preSC: .short 16384,22725,21407,19266,16384,12873,8867,4520
|
||||
.short 22725,31521,29692,26722,22725,17855,12299,6270
|
||||
.short 21407,29692,27969,25172,21407,16819,11585,5906
|
||||
.short 19266,26722,25172,22654,19266,15137,10426,5315
|
||||
.short 16384,22725,21407,19266,16384,12873,8867,4520
|
||||
.short 12873,17855,16819,15137,25746,20228,13933,7103
|
||||
.short 17734,24598,23170,20853,17734,13933,9597,4892
|
||||
.short 18081,25080,23624,21261,18081,14206,9785,4988
|
||||
.size preSC,128
|
||||
.align 8
|
||||
.type x0005000200010001,@object
|
||||
.size x0005000200010001,8
|
||||
x0005000200010001:
|
||||
.long 0x00010001,0x00050002
|
||||
.align 8
|
||||
.type x0040000000000000,@object
|
||||
.size x0040000000000000,8
|
||||
x0040000000000000:
|
||||
.long 0, 0x00400000
|
||||
.align 8
|
||||
.type x5a825a825a825a82,@object
|
||||
.size x5a825a825a825a82,8
|
||||
x5a825a825a825a82:
|
||||
.long 0x5a825a82, 0x5a825a82
|
||||
.align 8
|
||||
.type x539f539f539f539f,@object
|
||||
.size x539f539f539f539f,8
|
||||
x539f539f539f539f:
|
||||
.long 0x539f539f,0x539f539f
|
||||
.align 8
|
||||
.type x4546454645464546,@object
|
||||
.size x4546454645464546,8
|
||||
x4546454645464546:
|
||||
.long 0x45464546,0x45464546
|
||||
.align 8
|
||||
.type x61f861f861f861f8,@object
|
||||
.size x61f861f861f861f8,8
|
||||
x61f861f861f861f8:
|
||||
.long 0x61f861f8,0x61f861f8
|
||||
.align 8
|
||||
.type scratch1,@object
|
||||
.size scratch1,8
|
||||
scratch1:
|
||||
.long 0,0
|
||||
.align 8
|
||||
.type scratch3,@object
|
||||
.size scratch3,8
|
||||
scratch3:
|
||||
.long 0,0
|
||||
.align 8
|
||||
.type scratch5,@object
|
||||
.size scratch5,8
|
||||
scratch5:
|
||||
.long 0,0
|
||||
.align 8
|
||||
.type scratch7,@object
|
||||
.size scratch7,8
|
||||
scratch7:
|
||||
.long 0,0
|
||||
.type x0,@object
|
||||
.size x0,8
|
||||
x0:
|
||||
.long 0,0
|
||||
.align 8
|
||||
.text
|
||||
.align 4
|
||||
/* this seems to annoy the compiler in -g mode, is it normal ? */
|
||||
.globl vdec_IDCT
|
||||
.type vdec_IDCT,@function
|
||||
vdec_IDCT:
|
||||
pushl %ebp
|
||||
movl %esp,%ebp
|
||||
pushl %ebx
|
||||
pushl %ecx
|
||||
pushl %edx
|
||||
pushl %esi
|
||||
pushl %edi
|
||||
leal preSC, %ecx
|
||||
movl 12(%ebp),%esi
|
||||
movq (%esi), %mm0
|
||||
movq 8(%esi), %mm1
|
||||
movq 16(%esi), %mm2
|
||||
movq 24(%esi), %mm3
|
||||
movq 32(%esi), %mm4
|
||||
movq 40(%esi), %mm5
|
||||
movq 48(%esi), %mm6
|
||||
movq 56(%esi), %mm7
|
||||
psllw $4, %mm0
|
||||
psllw $4, %mm1
|
||||
psllw $4, %mm2
|
||||
psllw $4, %mm3
|
||||
psllw $4, %mm4
|
||||
psllw $4, %mm5
|
||||
psllw $4, %mm6
|
||||
psllw $4, %mm7
|
||||
movq %mm0, (%esi)
|
||||
movq %mm1, 8(%esi)
|
||||
movq %mm2,16(%esi)
|
||||
movq %mm3,24(%esi)
|
||||
movq %mm4,32(%esi)
|
||||
movq %mm5,40(%esi)
|
||||
movq %mm6,48(%esi)
|
||||
movq %mm7,56(%esi)
|
||||
movq 64(%esi), %mm0
|
||||
movq 72(%esi), %mm1
|
||||
movq 80(%esi), %mm2
|
||||
movq 88(%esi), %mm3
|
||||
movq 96(%esi), %mm4
|
||||
movq 104(%esi), %mm5
|
||||
movq 112(%esi), %mm6
|
||||
movq 120(%esi), %mm7
|
||||
psllw $4, %mm0
|
||||
psllw $4, %mm1
|
||||
psllw $4, %mm2
|
||||
psllw $4, %mm3
|
||||
psllw $4, %mm4
|
||||
psllw $4, %mm5
|
||||
psllw $4, %mm6
|
||||
psllw $4, %mm7
|
||||
movq %mm0,64(%esi)
|
||||
movq %mm1,72(%esi)
|
||||
movq %mm2,80(%esi)
|
||||
movq %mm3,88(%esi)
|
||||
movq %mm4,96(%esi)
|
||||
movq %mm5,104(%esi)
|
||||
movq %mm6,112(%esi)
|
||||
movq %mm7,120(%esi)
|
||||
/* column 0: even part
|
||||
* use V4, V12, V0, V8 to produce V22..V25
|
||||
*/
|
||||
movq 8*12(%ecx), %mm0 /* maybe the first mul can be done together */
|
||||
/* with the dequantization in iHuff module */
|
||||
pmulhw 8*12(%esi), %mm0 /* V12 */
|
||||
movq 8*4(%ecx), %mm1
|
||||
pmulhw 8*4(%esi), %mm1 /* V4 */
|
||||
movq (%ecx), %mm3
|
||||
psraw $1, %mm0 /* t64=t66 */
|
||||
pmulhw (%esi), %mm3 /* V0 */
|
||||
movq 8*8(%ecx), %mm5 /* duplicate V4 */
|
||||
movq %mm1, %mm2 /* added 11/1/96 */
|
||||
pmulhw 8*8(%esi),%mm5 /* V8 */
|
||||
psubsw %mm0, %mm1 /* V16 */
|
||||
pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V18 */
|
||||
paddsw %mm0, %mm2 /* V17 */
|
||||
movq %mm2, %mm0 /* duplicate V17 */
|
||||
psraw $1, %mm2 /* t75=t82 */
|
||||
psraw $2, %mm0 /* t72 */
|
||||
movq %mm3, %mm4 /* duplicate V0 */
|
||||
paddsw %mm5, %mm3 /* V19 */
|
||||
psubsw %mm5, %mm4 /* V20 ;mm5 free */
|
||||
/* moved from the block below */
|
||||
movq 8*10(%ecx), %mm7
|
||||
psraw $1, %mm3 /* t74=t81 */
|
||||
movq %mm3, %mm6 /* duplicate t74=t81 */
|
||||
psraw $2, %mm4 /* t77=t79 */
|
||||
psubsw %mm0, %mm1 /* V21 ; mm0 free */
|
||||
paddsw %mm2, %mm3 /* V22 */
|
||||
movq %mm1, %mm5 /* duplicate V21 */
|
||||
paddsw %mm4, %mm1 /* V23 */
|
||||
movq %mm3, 8*4(%esi) /* V22 */
|
||||
psubsw %mm5, %mm4 /* V24; mm5 free */
|
||||
movq %mm1, 8*12(%esi) /* V23 */
|
||||
psubsw %mm2, %mm6 /* V25; mm2 free */
|
||||
movq %mm4, (%esi) /* V24 */
|
||||
/* keep mm6 alive all along the next block */
|
||||
/* movq %mm6, 8*8(%esi) V25 */
|
||||
/* column 0: odd part
|
||||
* use V2, V6, V10, V14 to produce V31, V39, V40, V41
|
||||
*/
|
||||
/* moved above: movq 8*10(%ecx), %mm7 */
|
||||
|
||||
pmulhw 8*10(%esi), %mm7 /* V10 */
|
||||
movq 8*6(%ecx), %mm0
|
||||
pmulhw 8*6(%esi), %mm0 /* V6 */
|
||||
movq 8*2(%ecx), %mm5
|
||||
movq %mm7, %mm3 /* duplicate V10 */
|
||||
pmulhw 8*2(%esi), %mm5 /* V2 */
|
||||
movq 8*14(%ecx), %mm4
|
||||
psubsw %mm0, %mm7 /* V26 */
|
||||
pmulhw 8*14(%esi), %mm4 /* V14 */
|
||||
paddsw %mm0, %mm3 /* V29 ; free mm0 */
|
||||
movq %mm7, %mm1 /* duplicate V26 */
|
||||
psraw $1, %mm3 /* t91=t94 */
|
||||
pmulhw x539f539f539f539f,%mm7 /* V33 */
|
||||
psraw $1, %mm1 /* t96 */
|
||||
movq %mm5, %mm0 /* duplicate V2 */
|
||||
psraw $2, %mm4 /* t85=t87 */
|
||||
paddsw %mm4,%mm5 /* V27 */
|
||||
psubsw %mm4, %mm0 /* V28 ; free mm4 */
|
||||
movq %mm0, %mm2 /* duplicate V28 */
|
||||
psraw $1, %mm5 /* t90=t93 */
|
||||
pmulhw x4546454645464546,%mm0 /* V35 */
|
||||
psraw $1, %mm2 /* t97 */
|
||||
movq %mm5, %mm4 /* duplicate t90=t93 */
|
||||
psubsw %mm2, %mm1 /* V32 ; free mm2 */
|
||||
pmulhw x61f861f861f861f8,%mm1 /* V36 */
|
||||
psllw $1, %mm7 /* t107 */
|
||||
paddsw %mm3, %mm5 /* V31 */
|
||||
psubsw %mm3, %mm4 /* V30 ; free mm3 */
|
||||
pmulhw x5a825a825a825a82,%mm4 /* V34 */
|
||||
nop
|
||||
psubsw %mm1, %mm0 /* V38 */
|
||||
psubsw %mm7, %mm1 /* V37 ; free mm7 */
|
||||
psllw $1, %mm1 /* t114 */
|
||||
/* move from the next block */
|
||||
movq %mm6, %mm3 /* duplicate V25 */
|
||||
/* move from the next block */
|
||||
movq 8*4(%esi), %mm7 /* V22 */
|
||||
psllw $1, %mm0 /* t110 */
|
||||
psubsw %mm5, %mm0 /* V39 (mm5 needed for next block) */
|
||||
psllw $2, %mm4 /* t112 */
|
||||
/* moved from the next block */
|
||||
movq 8*12(%esi), %mm2 /* V23 */
|
||||
psubsw %mm0, %mm4 /* V40 */
|
||||
paddsw %mm4, %mm1 /* V41; free mm0 */
|
||||
/* moved from the next block */
|
||||
psllw $1, %mm2 /* t117=t125 */
|
||||
/* column 0: output butterfly */
|
||||
/* moved above:
|
||||
* movq %mm6, %mm3 duplicate V25
|
||||
* movq 8*4(%esi), %mm7 V22
|
||||
* movq 8*12(%esi), %mm2 V23
|
||||
* psllw $1, %mm2 t117=t125
|
||||
*/
|
||||
psubsw %mm1, %mm6 /* tm6 */
|
||||
paddsw %mm1, %mm3 /* tm8; free mm1 */
|
||||
movq %mm7, %mm1 /* duplicate V22 */
|
||||
paddsw %mm5, %mm7 /* tm0 */
|
||||
movq %mm3, 8*8(%esi) /* tm8; free mm3 */
|
||||
psubsw %mm5, %mm1 /* tm14; free mm5 */
|
||||
movq %mm6, 8*6(%esi) /* tm6; free mm6 */
|
||||
movq %mm2, %mm3 /* duplicate t117=t125 */
|
||||
movq (%esi), %mm6 /* V24 */
|
||||
paddsw %mm0, %mm2 /* tm2 */
|
||||
movq %mm7, (%esi) /* tm0; free mm7 */
|
||||
psubsw %mm0, %mm3 /* tm12; free mm0 */
|
||||
movq %mm1, 8*14(%esi) /* tm14; free mm1 */
|
||||
psllw $1, %mm6 /* t119=t123 */
|
||||
movq %mm2, 8*2(%esi) /* tm2; free mm2 */
|
||||
movq %mm6, %mm0 /* duplicate t119=t123 */
|
||||
movq %mm3, 8*12(%esi) /* tm12; free mm3 */
|
||||
paddsw %mm4, %mm6 /* tm4 */
|
||||
/* moved from next block */
|
||||
movq 8*5(%ecx), %mm1
|
||||
psubsw %mm4, %mm0 /* tm10; free mm4 */
|
||||
/* moved from next block */
|
||||
pmulhw 8*5(%esi), %mm1 /* V5 */
|
||||
movq %mm6, 8*4(%esi) /* tm4; free mm6 */
|
||||
movq %mm0, 8*10(%esi) /* tm10; free mm0 */
|
||||
/* column 1: even part
|
||||
* use V5, V13, V1, V9 to produce V56..V59
|
||||
*/
|
||||
/* moved to prev block:
|
||||
* movq 8*5(%ecx), %mm1
|
||||
* pmulhw 8*5(%esi), %mm1 V5
|
||||
*/
|
||||
movq 8*13(%ecx), %mm7
|
||||
psllw $1, %mm1 /* t128=t130 */
|
||||
pmulhw 8*13(%esi), %mm7 /* V13 */
|
||||
movq %mm1, %mm2 /* duplicate t128=t130 */
|
||||
movq 8(%ecx), %mm3
|
||||
pmulhw 8(%esi), %mm3 /* V1 */
|
||||
movq 8*9(%ecx), %mm5
|
||||
psubsw %mm7, %mm1 /* V50 */
|
||||
pmulhw 8*9(%esi), %mm5 /* V9 */
|
||||
paddsw %mm7, %mm2 /* V51 */
|
||||
pmulhw x5a825a825a825a82, %mm1 /* 23170 ->V52 */
|
||||
movq %mm2, %mm6 /* duplicate V51 */
|
||||
psraw $1, %mm2 /* t138=t144 */
|
||||
movq %mm3, %mm4 /* duplicate V1 */
|
||||
psraw $2, %mm6 /* t136 */
|
||||
paddsw %mm5, %mm3 /* V53 */
|
||||
psubsw %mm5, %mm4 /* V54 ;mm5 free */
|
||||
movq %mm3, %mm7 /* duplicate V53 */
|
||||
/* moved from next block */
|
||||
movq 8*11(%ecx), %mm0
|
||||
psraw $1, %mm4 /* t140=t142 */
|
||||
psubsw %mm6, %mm1 /* V55 ; mm6 free */
|
||||
paddsw %mm2, %mm3 /* V56 */
|
||||
movq %mm4, %mm5 /* duplicate t140=t142 */
|
||||
paddsw %mm1, %mm4 /* V57 */
|
||||
movq %mm3, 8*5(%esi) /* V56 */
|
||||
psubsw %mm1, %mm5 /* V58; mm1 free */
|
||||
movq %mm4, 8*13(%esi) /* V57 */
|
||||
psubsw %mm2, %mm7 /* V59; mm2 free */
|
||||
movq %mm5, 8*9(%esi) /* V58 */
|
||||
/* keep mm7 alive all along the next block
|
||||
* movq %mm7, 8(%esi) V59
|
||||
* moved above
|
||||
* movq 8*11(%ecx), %mm0
|
||||
*/
|
||||
pmulhw 8*11(%esi), %mm0 /* V11 */
|
||||
movq 8*7(%ecx), %mm6
|
||||
pmulhw 8*7(%esi), %mm6 /* V7 */
|
||||
movq 8*15(%ecx), %mm4
|
||||
movq %mm0, %mm3 /* duplicate V11 */
|
||||
pmulhw 8*15(%esi), %mm4 /* V15 */
|
||||
movq 8*3(%ecx), %mm5
|
||||
psllw $1, %mm6 /* t146=t152 */
|
||||
pmulhw 8*3(%esi), %mm5 /* V3 */
|
||||
paddsw %mm6, %mm0 /* V63 */
|
||||
/* note that V15 computation has a correction step:
|
||||
* this is a 'magic' constant that rebiases the results to be closer to the
|
||||
* expected result. this magic constant can be refined to reduce the error
|
||||
* even more by doing the correction step in a later stage when the number
|
||||
* is actually multiplied by 16
|
||||
*/
|
||||
paddw x0005000200010001, %mm4
|
||||
psubsw %mm6, %mm3 /* V60 ; free mm6 */
|
||||
psraw $1, %mm0 /* t154=t156 */
|
||||
movq %mm3, %mm1 /* duplicate V60 */
|
||||
pmulhw x539f539f539f539f, %mm1 /* V67 */
|
||||
movq %mm5, %mm6 /* duplicate V3 */
|
||||
psraw $2, %mm4 /* t148=t150 */
|
||||
paddsw %mm4, %mm5 /* V61 */
|
||||
psubsw %mm4, %mm6 /* V62 ; free mm4 */
|
||||
movq %mm5, %mm4 /* duplicate V61 */
|
||||
psllw $1, %mm1 /* t169 */
|
||||
paddsw %mm0, %mm5 /* V65 -> result */
|
||||
psubsw %mm0, %mm4 /* V64 ; free mm0 */
|
||||
pmulhw x5a825a825a825a82, %mm4 /* V68 */
|
||||
psraw $1, %mm3 /* t158 */
|
||||
psubsw %mm6, %mm3 /* V66 */
|
||||
movq %mm5, %mm2 /* duplicate V65 */
|
||||
pmulhw x61f861f861f861f8, %mm3 /* V70 */
|
||||
psllw $1, %mm6 /* t165 */
|
||||
pmulhw x4546454645464546, %mm6 /* V69 */
|
||||
psraw $1, %mm2 /* t172 */
|
||||
/* moved from next block */
|
||||
movq 8*5(%esi), %mm0 /* V56 */
|
||||
psllw $1, %mm4 /* t174 */
|
||||
/* moved from next block */
|
||||
psraw $1, %mm0 /* t177=t188 */
|
||||
nop
|
||||
psubsw %mm3, %mm6 /* V72 */
|
||||
psubsw %mm1, %mm3 /* V71 ; free mm1 */
|
||||
psubsw %mm2, %mm6 /* V73 ; free mm2 */
|
||||
/* moved from next block */
|
||||
psraw $1, %mm5 /* t178=t189 */
|
||||
psubsw %mm6, %mm4 /* V74 */
|
||||
/* moved from next block */
|
||||
movq %mm0, %mm1 /* duplicate t177=t188 */
|
||||
paddsw %mm4, %mm3 /* V75 */
|
||||
/* moved from next block */
|
||||
paddsw %mm5, %mm0 /* tm1 */
|
||||
/* location
|
||||
* 5 - V56
|
||||
* 13 - V57
|
||||
* 9 - V58
|
||||
* X - V59, mm7
|
||||
* X - V65, mm5
|
||||
* X - V73, mm6
|
||||
* X - V74, mm4
|
||||
* X - V75, mm3
|
||||
* free mm0, mm1 & mm2
|
||||
* moved above
|
||||
* movq 8*5(%esi), %mm0 V56
|
||||
* psllw $1, %mm0 t177=t188 ! new !!
|
||||
* psllw $1, %mm5 t178=t189 ! new !!
|
||||
* movq %mm0, %mm1 duplicate t177=t188
|
||||
* paddsw %mm5, %mm0 tm1
|
||||
*/
|
||||
movq 8*13(%esi), %mm2 /* V57 */
|
||||
psubsw %mm5, %mm1 /* tm15; free mm5 */
|
||||
movq %mm0, 8(%esi) /* tm1; free mm0 */
|
||||
psraw $1, %mm7 /* t182=t184 ! new !! */
|
||||
/* save the store as used directly in the transpose
|
||||
* movq %mm1, 120(%esi) tm15; free mm1
|
||||
*/
|
||||
movq %mm7, %mm5 /* duplicate t182=t184 */
|
||||
psubsw %mm3, %mm7 /* tm7 */
|
||||
paddsw %mm3, %mm5 /* tm9; free mm3 */
|
||||
movq 8*9(%esi), %mm0 /* V58 */
|
||||
movq %mm2, %mm3 /* duplicate V57 */
|
||||
movq %mm7, 8*7(%esi) /* tm7; free mm7 */
|
||||
psubsw %mm6, %mm3 /* tm13 */
|
||||
paddsw %mm6, %mm2 /* tm3 ; free mm6 */
|
||||
/* moved up from the transpose */
|
||||
movq %mm3, %mm7
|
||||
/* moved up from the transpose */
|
||||
punpcklwd %mm1, %mm3
|
||||
movq %mm0, %mm6 /* duplicate V58 */
|
||||
movq %mm2, 8*3(%esi) /* tm3; free mm2 */
|
||||
paddsw %mm4, %mm0 /* tm5 */
|
||||
psubsw %mm4, %mm6 /* tm11; free mm4 */
|
||||
/* moved up from the transpose */
|
||||
punpckhwd %mm1, %mm7
|
||||
movq %mm0, 8*5(%esi) /* tm5; free mm0 */
|
||||
/* moved up from the transpose */
|
||||
movq %mm5, %mm2
|
||||
/* transpose - M4 part
|
||||
* --------- ---------
|
||||
* | M1 | M2 | | M1'| M3'|
|
||||
* --------- --> ---------
|
||||
* | M3 | M4 | | M2'| M4'|
|
||||
* --------- ---------
|
||||
* Two alternatives: use full mmword approach so the following code can be
|
||||
* scheduled before the transpose is done without stores, or use the faster
|
||||
* half mmword stores (when possible)
|
||||
*/
|
||||
movd %mm3, 8*9+4(%esi) /* MS part of tmt9 */
|
||||
punpcklwd %mm6, %mm5
|
||||
movd %mm7, 8*13+4(%esi) /* MS part of tmt13 */
|
||||
punpckhwd %mm6, %mm2
|
||||
movd %mm5, 8*9(%esi) /* LS part of tmt9 */
|
||||
punpckhdq %mm3, %mm5 /* free mm3 */
|
||||
movd %mm2, 8*13(%esi) /* LS part of tmt13 */
|
||||
punpckhdq %mm7, %mm2 /* free mm7 */
|
||||
/* moved up from the M3 transpose */
|
||||
movq 8*8(%esi), %mm0
|
||||
/* moved up from the M3 transpose */
|
||||
movq 8*10(%esi), %mm1
|
||||
/* moved up from the M3 transpose */
|
||||
movq %mm0, %mm3
|
||||
/* shuffle the rest of the data, and write it with 2 mmword writes */
|
||||
movq %mm5, 8*11(%esi) /* tmt11 */
|
||||
/* moved up from the M3 transpose */
|
||||
punpcklwd %mm1, %mm0
|
||||
movq %mm2, 8*15(%esi) /* tmt15 */
|
||||
/* moved up from the M3 transpose */
|
||||
punpckhwd %mm1, %mm3
|
||||
/* transpose - M3 part
|
||||
* moved up to previous code section
|
||||
* movq 8*8(%esi), %mm0
|
||||
* movq 8*10(%esi), %mm1
|
||||
* movq %mm0, %mm3
|
||||
* punpcklwd %mm1, %mm0
|
||||
* punpckhwd %mm1, %mm3
|
||||
*/
|
||||
movq 8*12(%esi), %mm6
|
||||
movq 8*14(%esi), %mm4
|
||||
movq %mm6, %mm2
|
||||
/* shuffle the data and write the lower parts of the transposed in 4 dwords */
|
||||
punpcklwd %mm4, %mm6
|
||||
movq %mm0, %mm1
|
||||
punpckhdq %mm6, %mm1
|
||||
movq %mm3, %mm7
|
||||
punpckhwd %mm4, %mm2 /* free mm4 */
|
||||
punpckldq %mm6, %mm0 /* free mm6 */
|
||||
/* moved from next block */
|
||||
movq 8*13(%esi), %mm4 /* tmt13 */
|
||||
punpckldq %mm2, %mm3
|
||||
punpckhdq %mm2, %mm7 /* free mm2 */
|
||||
/* moved from next block */
|
||||
movq %mm3, %mm5 /* duplicate tmt5 */
|
||||
/* column 1: even part (after transpose)
|
||||
* moved above
|
||||
* movq %mm3, %mm5 duplicate tmt5
|
||||
* movq 8*13(%esi), %mm4 tmt13
|
||||
*/
|
||||
psubsw %mm4, %mm3 /* V134 */
|
||||
pmulhw x5a825a825a825a82, %mm3 /* 23170 ->V136 */
|
||||
movq 8*9(%esi), %mm6 /* tmt9 */
|
||||
paddsw %mm4, %mm5 /* V135 ; mm4 free */
|
||||
movq %mm0, %mm4 /* duplicate tmt1 */
|
||||
paddsw %mm6, %mm0 /* V137 */
|
||||
psubsw %mm6, %mm4 /* V138 ; mm6 free */
|
||||
psllw $2, %mm3 /* t290 */
|
||||
psubsw %mm5, %mm3 /* V139 */
|
||||
movq %mm0, %mm6 /* duplicate V137 */
|
||||
paddsw %mm5, %mm0 /* V140 */
|
||||
movq %mm4, %mm2 /* duplicate V138 */
|
||||
paddsw %mm3, %mm2 /* V141 */
|
||||
psubsw %mm3, %mm4 /* V142 ; mm3 free */
|
||||
movq %mm0, 8*9(%esi) /* V140 */
|
||||
psubsw %mm5, %mm6 /* V143 ; mm5 free */
|
||||
/* moved from next block */
|
||||
movq 8*11(%esi), %mm0 /* tmt11 */
|
||||
movq %mm2, 8*13(%esi) /* V141 */
|
||||
/* moved from next block */
|
||||
movq %mm0, %mm2 /* duplicate tmt11 */
|
||||
/* column 1: odd part (after transpose) */
|
||||
/* moved up to the prev block
|
||||
* movq 8*11(%esi), %mm0 tmt11
|
||||
* movq %mm0, %mm2 duplicate tmt11
|
||||
*/
|
||||
movq 8*15(%esi), %mm5 /* tmt15 */
|
||||
psubsw %mm7, %mm0 /* V144 */
|
||||
movq %mm0, %mm3 /* duplicate V144 */
|
||||
paddsw %mm7, %mm2 /* V147 ; free mm7 */
|
||||
pmulhw x539f539f539f539f, %mm0 /* 21407-> V151 */
|
||||
movq %mm1, %mm7 /* duplicate tmt3 */
|
||||
paddsw %mm5, %mm7 /* V145 */
|
||||
psubsw %mm5, %mm1 /* V146 ; free mm5 */
|
||||
psubsw %mm1, %mm3 /* V150 */
|
||||
movq %mm7, %mm5 /* duplicate V145 */
|
||||
pmulhw x4546454645464546, %mm1 /* 17734-> V153 */
|
||||
psubsw %mm2, %mm5 /* V148 */
|
||||
pmulhw x61f861f861f861f8, %mm3 /* 25080-> V154 */
|
||||
psllw $2, %mm0 /* t311 */
|
||||
pmulhw x5a825a825a825a82, %mm5 /* 23170-> V152 */
|
||||
paddsw %mm2, %mm7 /* V149 ; free mm2 */
|
||||
psllw $1, %mm1 /* t313 */
|
||||
nop /* without the nop - freeze here for one clock */
|
||||
movq %mm3, %mm2 /* duplicate V154 */
|
||||
psubsw %mm0, %mm3 /* V155 ; free mm0 */
|
||||
psubsw %mm2, %mm1 /* V156 ; free mm2 */
|
||||
/* moved from the next block */
|
||||
movq %mm6, %mm2 /* duplicate V143 */
|
||||
/* moved from the next block */
|
||||
movq 8*13(%esi), %mm0 /* V141 */
|
||||
psllw $1, %mm1 /* t315 */
|
||||
psubsw %mm7, %mm1 /* V157 (keep V149) */
|
||||
psllw $2, %mm5 /* t317 */
|
||||
psubsw %mm1, %mm5 /* V158 */
|
||||
psllw $1, %mm3 /* t319 */
|
||||
paddsw %mm5, %mm3 /* V159 */
|
||||
/* column 1: output butterfly (after transform)
|
||||
* moved to the prev block
|
||||
* movq %mm6, %mm2 duplicate V143
|
||||
* movq 8*13(%esi), %mm0 V141
|
||||
*/
|
||||
psubsw %mm3, %mm2 /* V163 */
|
||||
paddsw %mm3, %mm6 /* V164 ; free mm3 */
|
||||
movq %mm4, %mm3 /* duplicate V142 */
|
||||
psubsw %mm5, %mm4 /* V165 ; free mm5 */
|
||||
movq %mm2, scratch7 /* out7 */
|
||||
psraw $4, %mm6
|
||||
psraw $4, %mm4
|
||||
paddsw %mm5, %mm3 /* V162 */
|
||||
movq 8*9(%esi), %mm2 /* V140 */
|
||||
movq %mm0, %mm5 /* duplicate V141 */
|
||||
/* in order not to perculate this line up,
|
||||
* we read 72(%esi) very near to this location
|
||||
*/
|
||||
movq %mm6, 8*9(%esi) /* out9 */
|
||||
paddsw %mm1, %mm0 /* V161 */
|
||||
movq %mm3, scratch5 /* out5 */
|
||||
psubsw %mm1, %mm5 /* V166 ; free mm1 */
|
||||
movq %mm4, 8*11(%esi) /* out11 */
|
||||
psraw $4, %mm5
|
||||
movq %mm0, scratch3 /* out3 */
|
||||
movq %mm2, %mm4 /* duplicate V140 */
|
||||
movq %mm5, 8*13(%esi) /* out13 */
|
||||
paddsw %mm7, %mm2 /* V160 */
|
||||
/* moved from the next block */
|
||||
movq 8(%esi), %mm0
|
||||
psubsw %mm7, %mm4 /* V167 ; free mm7 */
|
||||
/* moved from the next block */
|
||||
movq 8*3(%esi), %mm7
|
||||
psraw $4, %mm4
|
||||
movq %mm2, scratch1 /* out1 */
|
||||
/* moved from the next block */
|
||||
movq %mm0, %mm1
|
||||
movq %mm4, 8*15(%esi) /* out15 */
|
||||
/* moved from the next block */
|
||||
punpcklwd %mm7, %mm0
|
||||
/* transpose - M2 parts
|
||||
* moved up to the prev block
|
||||
* movq 8(%esi), %mm0
|
||||
* movq 8*3(%esi), %mm7
|
||||
* movq %mm0, %mm1
|
||||
* punpcklwd %mm7, %mm0
|
||||
*/
|
||||
movq 8*5(%esi), %mm5
|
||||
punpckhwd %mm7, %mm1
|
||||
movq 8*7(%esi), %mm4
|
||||
movq %mm5, %mm3
|
||||
/* shuffle the data and write the lower parts of the trasposed in 4 dwords */
|
||||
movd %mm0, 8*8(%esi) /* LS part of tmt8 */
|
||||
punpcklwd %mm4, %mm5
|
||||
movd %mm1, 8*12(%esi) /* LS part of tmt12 */
|
||||
punpckhwd %mm4, %mm3
|
||||
movd %mm5, 8*8+4(%esi) /* MS part of tmt8 */
|
||||
punpckhdq %mm5, %mm0 /* tmt10 */
|
||||
movd %mm3, 8*12+4(%esi) /* MS part of tmt12 */
|
||||
punpckhdq %mm3, %mm1 /* tmt14 */
|
||||
/* transpose - M1 parts */
|
||||
movq (%esi), %mm7
|
||||
movq 8*2(%esi), %mm2
|
||||
movq %mm7, %mm6
|
||||
movq 8*4(%esi), %mm5
|
||||
punpcklwd %mm2, %mm7
|
||||
movq 8*6(%esi), %mm4
|
||||
punpckhwd %mm2, %mm6 /* free mm2 */
|
||||
movq %mm5, %mm3
|
||||
punpcklwd %mm4, %mm5
|
||||
punpckhwd %mm4, %mm3 /* free mm4 */
|
||||
movq %mm7, %mm2
|
||||
movq %mm6, %mm4
|
||||
punpckldq %mm5, %mm7 /* tmt0 */
|
||||
punpckhdq %mm5, %mm2 /* tmt2 ; free mm5 */
|
||||
/* shuffle the rest of the data, and write it with 2 mmword writes */
|
||||
punpckldq %mm3, %mm6 /* tmt4 */
|
||||
/* moved from next block */
|
||||
movq %mm2, %mm5 /* duplicate tmt2 */
|
||||
punpckhdq %mm3, %mm4 /* tmt6 ; free mm3 */
|
||||
/* moved from next block */
|
||||
movq %mm0, %mm3 /* duplicate tmt10 */
|
||||
/* column 0: odd part (after transpose)
|
||||
*moved up to prev block
|
||||
* movq %mm0, %mm3 duplicate tmt10
|
||||
* movq %mm2, %mm5 duplicate tmt2
|
||||
*/
|
||||
psubsw %mm4, %mm0 /* V110 */
|
||||
paddsw %mm4, %mm3 /* V113 ; free mm4 */
|
||||
movq %mm0, %mm4 /* duplicate V110 */
|
||||
paddsw %mm1, %mm2 /* V111 */
|
||||
pmulhw x539f539f539f539f, %mm0 /* 21407-> V117 */
|
||||
psubsw %mm1, %mm5 /* V112 ; free mm1 */
|
||||
psubsw %mm5, %mm4 /* V116 */
|
||||
movq %mm2, %mm1 /* duplicate V111 */
|
||||
pmulhw x4546454645464546, %mm5 /* 17734-> V119 */
|
||||
psubsw %mm3, %mm2 /* V114 */
|
||||
pmulhw x61f861f861f861f8, %mm4 /* 25080-> V120 */
|
||||
paddsw %mm3, %mm1 /* V115 ; free mm3 */
|
||||
pmulhw x5a825a825a825a82, %mm2 /* 23170-> V118 */
|
||||
psllw $2, %mm0 /* t266 */
|
||||
movq %mm1, (%esi) /* save V115 */
|
||||
psllw $1, %mm5 /* t268 */
|
||||
psubsw %mm4, %mm5 /* V122 */
|
||||
psubsw %mm0, %mm4 /* V121 ; free mm0 */
|
||||
psllw $1, %mm5 /* t270 */
|
||||
psubsw %mm1, %mm5 /* V123 ; free mm1 */
|
||||
psllw $2, %mm2 /* t272 */
|
||||
psubsw %mm5, %mm2 /* V124 (keep V123) */
|
||||
psllw $1, %mm4 /* t274 */
|
||||
movq %mm5, 8*2(%esi) /* save V123 ; free mm5 */
|
||||
paddsw %mm2, %mm4 /* V125 (keep V124) */
|
||||
/* column 0: even part (after transpose) */
|
||||
movq 8*12(%esi), %mm0 /* tmt12 */
|
||||
movq %mm6, %mm3 /* duplicate tmt4 */
|
||||
psubsw %mm0, %mm6 /* V100 */
|
||||
paddsw %mm0, %mm3 /* V101 ; free mm0 */
|
||||
pmulhw x5a825a825a825a82, %mm6 /* 23170 ->V102 */
|
||||
movq %mm7, %mm5 /* duplicate tmt0 */
|
||||
movq 8*8(%esi), %mm1 /* tmt8 */
|
||||
paddsw %mm1, %mm7 /* V103 */
|
||||
psubsw %mm1, %mm5 /* V104 ; free mm1 */
|
||||
movq %mm7, %mm0 /* duplicate V103 */
|
||||
psllw $2, %mm6 /* t245 */
|
||||
paddsw %mm3, %mm7 /* V106 */
|
||||
movq %mm5, %mm1 /* duplicate V104 */
|
||||
psubsw %mm3, %mm6 /* V105 */
|
||||
psubsw %mm3, %mm0 /* V109; free mm3 */
|
||||
paddsw %mm6, %mm5 /* V107 */
|
||||
psubsw %mm6, %mm1 /* V108 ; free mm6 */
|
||||
/* column 0: output butterfly (after transform) */
|
||||
movq %mm1, %mm3 /* duplicate V108 */
|
||||
paddsw %mm2, %mm1 /* out4 */
|
||||
psraw $4, %mm1
|
||||
psubsw %mm2, %mm3 /* out10 ; free mm2 */
|
||||
psraw $4, %mm3
|
||||
movq %mm0, %mm6 /* duplicate V109 */
|
||||
movq %mm1, 8*4(%esi) /* out4 ; free mm1 */
|
||||
psubsw %mm4, %mm0 /* out6 */
|
||||
movq %mm3, 8*10(%esi) /* out10 ; free mm3 */
|
||||
psraw $4, %mm0
|
||||
paddsw %mm4, %mm6 /* out8 ; free mm4 */
|
||||
movq %mm7, %mm1 /* duplicate V106 */
|
||||
movq %mm0, 8*6(%esi) /* out6 ; free mm0 */
|
||||
psraw $4, %mm6
|
||||
movq (%esi), %mm4 /* V115 */
|
||||
movq %mm6, 8*8(%esi) /* out8 ; free mm6 */
|
||||
movq %mm5, %mm2 /* duplicate V107 */
|
||||
movq 8*2(%esi), %mm3 /* V123 */
|
||||
paddsw %mm4, %mm7 /* out0 */
|
||||
/* moved up from next block */
|
||||
movq scratch3, %mm0
|
||||
psraw $4, %mm7
|
||||
/* moved up from next block */
|
||||
movq scratch5, %mm6
|
||||
psubsw %mm4, %mm1 /* out14 ; free mm4 */
|
||||
paddsw %mm3, %mm5 /* out2 */
|
||||
psraw $4, %mm1
|
||||
movq %mm7, (%esi) /* out0 ; free mm7 */
|
||||
psraw $4, %mm5
|
||||
movq %mm1, 8*14(%esi) /* out14 ; free mm1 */
|
||||
psubsw %mm3, %mm2 /* out12 ; free mm3 */
|
||||
movq %mm5, 8*2(%esi) /* out2 ; free mm5 */
|
||||
psraw $4, %mm2
|
||||
/* moved up to the prev block */
|
||||
movq scratch7, %mm4
|
||||
/* moved up to the prev block */
|
||||
psraw $4, %mm0
|
||||
movq %mm2, 8*12(%esi) /* out12 ; free mm2 */
|
||||
/* moved up to the prev block */
|
||||
psraw $4, %mm6
|
||||
/* move back the data to its correct place
|
||||
* moved up to the prev block
|
||||
* movq scratch3, %mm0
|
||||
* movq scratch5, %mm6
|
||||
* movq scratch7, %mm4
|
||||
* psraw $4, %mm0
|
||||
* psraw $4, %mm6
|
||||
*/
|
||||
movq scratch1, %mm1
|
||||
psraw $4, %mm4
|
||||
movq %mm0, 8*3(%esi) /* out3 */
|
||||
psraw $4, %mm1
|
||||
movq %mm6, 8*5(%esi) /* out5 */
|
||||
movq %mm4, 8*7(%esi) /* out7 */
|
||||
movq %mm1, 8(%esi) /* out1 */
|
||||
/* transpose matrix */
|
||||
movl $8, %ebx /* ebx is x_size */
|
||||
movl %esi, %edi /* pointer to the matrix */
|
||||
movl %ebx, %ecx
|
||||
sal $2, %ecx
|
||||
movl %ebx, %eax
|
||||
addl %ebx, %ecx
|
||||
subl $4, %eax /* eax is inner loop variable */
|
||||
addl %ebx, %ecx /* ecx is 6*row size */
|
||||
movl %eax, %edx /* edx is the outer loop variable */
|
||||
.L1: movq (%esi), %mm0 /* first line */
|
||||
movq (%esi,%ebx,4), %mm2 /* third line */
|
||||
movq %mm0, %mm6 /* copy first line */
|
||||
punpcklwd (%esi,%ebx,2), %mm0 /* interleave fist and second lines */
|
||||
movq %mm2, %mm7 /* copy third line */
|
||||
punpcklwd (%esi,%ecx), %mm2 /* interleave third and fourth lines */
|
||||
movq %mm0, %mm4 /* copy first intermediate result */
|
||||
movq (%esi,%ebx,2), %mm1 /* second line */
|
||||
/* the next line 'punpcklwd %mm2, %mm0' inverted two pixels. */
|
||||
/* punpckldq make printing cleaner */
|
||||
punpckldq %mm2, %mm0 /* interleave to produce result 1 */
|
||||
movq (%esi,%ecx), %mm3 /* fourth line */
|
||||
punpckhdq %mm2, %mm4 /* interleave to produce result 2 */
|
||||
movq %mm0, (%esi) /* write result 1 */
|
||||
punpckhwd %mm1, %mm6 /* interleave first and second lines */
|
||||
movq %mm4, (%esi,%ebx,2) /* write result 2 */
|
||||
punpckhwd %mm3, %mm7 /* interleave 3rd and 4th lines */
|
||||
movq %mm6, %mm5 /* copy first intermediate result */
|
||||
punpckldq %mm7, %mm6 /* interleave to produce result 3 */
|
||||
leal (%edi,%ebx,8), %edi /* point to 4x4 set 4 rows down */
|
||||
punpckhdq %mm7, %mm5 /* interleave to produce result 4 */
|
||||
movq %mm6, (%esi,%ebx,4) /* write result 3 */
|
||||
movq %mm5, (%esi,%ecx) /* write result 4 */
|
||||
/* check to see if number of rows left is zero */
|
||||
cmpl $0, %edx
|
||||
/* last time through you are done and ready to exit */
|
||||
je .L3
|
||||
.L2: movq 8(%esi), %mm0 /* first line */
|
||||
movq 8(%esi,%ebx,4), %mm2 /* third line */
|
||||
movq %mm0, %mm6 /* copy first line */
|
||||
punpcklwd 8(%esi,%ebx,2), %mm0 /* interleave first and second lines */
|
||||
movq %mm2, %mm7 /* copy third line */
|
||||
punpcklwd 8(%esi,%ecx), %mm2 /* interleave 3rd and 4th lines */
|
||||
movq %mm0, %mm4 /* copy first intermediate */
|
||||
movq (%edi), %mm1 /* first line */
|
||||
punpckldq %mm2, %mm0 /* interleave to produce 1st result */
|
||||
movq (%edi,%ebx,4), %mm3 /* third line */
|
||||
punpckhdq %mm2, %mm4 /* interleave to produce 2nd result */
|
||||
punpckhwd 8(%esi,%ebx,2), %mm6 /* interleave 1st and 2nd lines */
|
||||
movq %mm1, %mm2 /* copy first line */
|
||||
punpckhwd 8(%esi,%ecx), %mm7 /* interleave 3rd and 4th lines */
|
||||
movq %mm6, %mm5 /* copy first intermediate */
|
||||
movq %mm0, (%edi) /* write result 1 */
|
||||
punpckhdq %mm7, %mm5 /* produce third result */
|
||||
punpcklwd (%edi,%ebx,2), %mm1 /* interleave 1st and 2nd lines */
|
||||
movq %mm3, %mm0 /* copy third line */
|
||||
punpckhwd (%edi,%ebx,2), %mm2 /* interleave 1st and 2nd lines */
|
||||
movq %mm4, (%edi,%ebx,2) /* write result 2 */
|
||||
punpckldq %mm7, %mm6 /* produce fourth result */
|
||||
punpcklwd (%edi,%ecx), %mm3 /* interleave 3rd and 4th lines */
|
||||
movq %mm1, %mm4 /* copy first intermediate */
|
||||
movq %mm6, (%edi,%ebx,4) /* write result 3 */
|
||||
punpckldq %mm3, %mm1
|
||||
punpckhwd (%edi,%ecx), %mm0 /* interleave 3rd and 4th lines */
|
||||
movq %mm2, %mm6 /* copy second intermediate */
|
||||
movq %mm5, (%edi,%ecx) /* write result 4 */
|
||||
punpckhdq %mm3, %mm4 /* produce second result */
|
||||
movq %mm1, 8(%esi) /* write result 5 */
|
||||
punpckldq %mm0, %mm2 /* produce third result */
|
||||
movq %mm4, 8(%esi,%ebx,2) /* write result 6 */
|
||||
punpckhdq %mm0, %mm6 /* produce fourth result */
|
||||
movq %mm2, 8(%esi,%ebx,4) /* write result 7 */
|
||||
movq %mm6, 8(%esi,%ecx) /* write result 8 */
|
||||
/* increment %esi to point to next 4x4 block in same row */
|
||||
addl $8, %esi
|
||||
/* increment %edi to point to nxt 4x4 block below current */
|
||||
leal (%edi,%ebx,8), %edi
|
||||
sub $4, %eax /* decrement inner loop var */
|
||||
jnz .L2
|
||||
/* %edi points to start of second row in block just finished */
|
||||
sal $1, %edx
|
||||
leal 8(%esi,%ebx,8), %esi
|
||||
subl %edx, %esi
|
||||
/* subtract the number of bytes in last row */
|
||||
/* now we point to spot where row=col */
|
||||
subl $8, %edx /* sub 4 from row number */
|
||||
sarl $1, %edx
|
||||
mov %esi, %edi
|
||||
mov %edx, %eax
|
||||
/* reset x_size to outer loop variable to start new row */
|
||||
jmp .L1
|
||||
.L3: emms
|
||||
popl %edi
|
||||
popl %esi
|
||||
popl %edx
|
||||
popl %ecx
|
||||
popl %ebx
|
||||
movl %ebp,%esp
|
||||
popl %ebp
|
||||
ret
|
||||
.Lfe1:
|
||||
.size vdec_IDCT,.Lfe1-vdec_IDCT
|
||||
@ -2,9 +2,13 @@
|
||||
* idctmmxext.c : MMX EXT IDCT module
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: idctmmxext.c,v 1.3 2001/01/16 16:09:52 sam Exp $
|
||||
* $Id: idctmmxext.c,v 1.4 2001/01/17 18:17:30 massiot Exp $
|
||||
*
|
||||
* Authors:
|
||||
* Authors: Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
|
||||
* Michel Lespinasse <walken@zoy.org>
|
||||
* Peter Gubanov <peter@elecard.net.ru>
|
||||
* (from the LiViD project)
|
||||
* Christophe Massiot <massiot@via.ecp.fr>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
@ -46,18 +50,15 @@
|
||||
|
||||
#include "idct.h"
|
||||
|
||||
#include "attributes.h"
|
||||
#include "mmx.h"
|
||||
|
||||
/*****************************************************************************
|
||||
* Local prototypes.
|
||||
*****************************************************************************/
|
||||
static void idct_getfunctions( function_list_t * p_function_list );
|
||||
|
||||
static int idct_Probe ( probedata_t *p_data );
|
||||
|
||||
void vdec_InitIDCT ( vdec_thread_t * p_vdec);
|
||||
void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
|
||||
int i_sparse_pos);
|
||||
void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
|
||||
int i_idontcare );
|
||||
static void vdec_NormScan ( u8 ppi_scan[2][64] );
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
@ -136,6 +137,7 @@ static void idct_getfunctions( function_list_t * p_function_list )
|
||||
p_function_list->functions.idct.pf_init = vdec_InitIDCT;
|
||||
p_function_list->functions.idct.pf_sparse_idct = vdec_SparseIDCT;
|
||||
p_function_list->functions.idct.pf_idct = vdec_IDCT;
|
||||
p_function_list->functions.idct.pf_norm_scan = vdec_NormScan;
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
@ -143,16 +145,16 @@ static void idct_getfunctions( function_list_t * p_function_list )
|
||||
*****************************************************************************/
|
||||
static int idct_Probe( probedata_t *p_data )
|
||||
{
|
||||
if( 0/*TestCPU( CPU_CAPABILITY_MMXEXT )*/ )
|
||||
if( TestCPU( CPU_CAPABILITY_MMXEXT ) )
|
||||
{
|
||||
if( TestMethod( IDCT_METHOD_VAR, "idctmmxext" ) )
|
||||
{
|
||||
return( 999 );
|
||||
}
|
||||
else
|
||||
else
|
||||
{
|
||||
return( 200 );
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -160,3 +162,332 @@ static int idct_Probe( probedata_t *p_data )
|
||||
}
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* vdec_NormScan : This IDCT uses reordered coeffs, so we patch the scan table
|
||||
*****************************************************************************/
|
||||
static void vdec_NormScan( u8 ppi_scan[2][64] )
|
||||
{
|
||||
int i, j;
|
||||
|
||||
for( i = 0; i < 64; i++ )
|
||||
{
|
||||
j = ppi_scan[0][i];
|
||||
ppi_scan[0][i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
|
||||
|
||||
j = ppi_scan[1][i];
|
||||
ppi_scan[1][i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
|
||||
}
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* vdec_IDCT :
|
||||
*****************************************************************************/
|
||||
#define ROW_SHIFT 11
|
||||
#define COL_SHIFT 6
|
||||
|
||||
#define round(bias) ((int)(((bias)+0.5) * (1<<ROW_SHIFT)))
|
||||
#define rounder(bias) {round (bias), round (bias)}
|
||||
|
||||
#define table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \
|
||||
c4, c6, c4, c6, \
|
||||
c1, c3, -c1, -c5, \
|
||||
c5, c7, c3, -c7, \
|
||||
c4, -c6, c4, -c6, \
|
||||
-c4, c2, c4, -c2, \
|
||||
c5, -c1, c3, -c1, \
|
||||
c7, c3, c7, -c5 }
|
||||
|
||||
static __inline__ void RowHead( dctelem_t * row, int offset, dctelem_t * table )
|
||||
{
|
||||
movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
|
||||
|
||||
movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
|
||||
movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
|
||||
|
||||
movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4
|
||||
movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
|
||||
|
||||
movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4
|
||||
pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2
|
||||
|
||||
pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4
|
||||
}
|
||||
|
||||
static __inline__ void Row( dctelem_t * table, s32 * rounder )
|
||||
{
|
||||
movq_m2r (*(table+8), mm1); // mm1 = -C5 -C1 C3 C1
|
||||
pmaddwd_r2r (mm2, mm4); // mm4 = C4*x0+C6*x2 C4*x4+C6*x6
|
||||
|
||||
pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x4-C6*x6 C4*x0-C6*x2
|
||||
pshufw_r2r (mm6, mm6, 0x4e); // mm6 = x3 x1 x7 x5
|
||||
|
||||
movq_m2r (*(table+12), mm7); // mm7 = -C7 C3 C7 C5
|
||||
pmaddwd_r2r (mm5, mm1); // mm1 = -C1*x5-C5*x7 C1*x1+C3*x3
|
||||
|
||||
paddd_m2r (*rounder, mm3); // mm3 += rounder
|
||||
pmaddwd_r2r (mm6, mm7); // mm7 = C3*x1-C7*x3 C5*x5+C7*x7
|
||||
|
||||
pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x0-C2*x2 -C4*x4+C2*x6
|
||||
paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder
|
||||
|
||||
pmaddwd_m2r (*(table+24), mm5); // mm5 = C3*x5-C1*x7 C5*x1-C1*x3
|
||||
movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder
|
||||
|
||||
pmaddwd_m2r (*(table+28), mm6); // mm6 = C7*x1-C5*x3 C7*x5+C3*x7
|
||||
paddd_r2r (mm7, mm1); // mm1 = b1 b0
|
||||
|
||||
paddd_m2r (*rounder, mm0); // mm0 += rounder
|
||||
psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder
|
||||
|
||||
psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7
|
||||
paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder
|
||||
|
||||
paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder
|
||||
psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0
|
||||
|
||||
paddd_r2r (mm6, mm5); // mm5 = b3 b2
|
||||
movq_r2r (mm0, mm4); // mm4 = a3 a2 + rounder
|
||||
|
||||
paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder
|
||||
psubd_r2r (mm5, mm4); // mm4 = a3-b3 a2-b2 + rounder
|
||||
}
|
||||
|
||||
static __inline__ void RowTail( dctelem_t * row, int store )
|
||||
{
|
||||
psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
|
||||
|
||||
psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5
|
||||
|
||||
packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
|
||||
|
||||
packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5
|
||||
|
||||
movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
|
||||
pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4
|
||||
|
||||
// slot
|
||||
movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4
|
||||
}
|
||||
|
||||
static __inline__ void RowMid( dctelem_t * row, int store,
|
||||
int offset, dctelem_t * table)
|
||||
{
|
||||
movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
|
||||
psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
|
||||
|
||||
movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
|
||||
psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5
|
||||
|
||||
packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
|
||||
movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
|
||||
|
||||
packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5
|
||||
movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
|
||||
|
||||
movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
|
||||
pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4
|
||||
|
||||
movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4
|
||||
movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4
|
||||
|
||||
pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2
|
||||
|
||||
movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4
|
||||
pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4
|
||||
}
|
||||
|
||||
static __inline__ void Col( dctelem_t * col, int offset )
|
||||
{
|
||||
#define T1 13036
|
||||
#define T2 27146
|
||||
#define T3 43790
|
||||
#define C4 23170
|
||||
|
||||
static short _T1[] ATTR_ALIGN(8) = {T1,T1,T1,T1};
|
||||
static short _T2[] ATTR_ALIGN(8) = {T2,T2,T2,T2};
|
||||
static short _T3[] ATTR_ALIGN(8) = {T3,T3,T3,T3};
|
||||
static short _C4[] ATTR_ALIGN(8) = {C4,C4,C4,C4};
|
||||
static mmx_t scratch0, scratch1;
|
||||
|
||||
/* column code adapted from peter gubanov */
|
||||
/* http://www.elecard.com/peter/idct.shtml */
|
||||
|
||||
movq_m2r (*_T1, mm0); // mm0 = T1
|
||||
|
||||
movq_m2r (*(col+offset+1*8), mm1); // mm1 = x1
|
||||
movq_r2r (mm0, mm2); // mm2 = T1
|
||||
|
||||
movq_m2r (*(col+offset+7*8), mm4); // mm4 = x7
|
||||
pmulhw_r2r (mm1, mm0); // mm0 = T1*x1
|
||||
|
||||
movq_m2r (*_T3, mm5); // mm5 = T3
|
||||
pmulhw_r2r (mm4, mm2); // mm2 = T1*x7
|
||||
|
||||
movq_m2r (*(col+offset+5*8), mm6); // mm6 = x5
|
||||
movq_r2r (mm5, mm7); // mm7 = T3-1
|
||||
|
||||
movq_m2r (*(col+offset+3*8), mm3); // mm3 = x3
|
||||
psubsw_r2r (mm4, mm0); // mm0 = v17
|
||||
|
||||
movq_m2r (*_T2, mm4); // mm4 = T2
|
||||
pmulhw_r2r (mm3, mm5); // mm5 = (T3-1)*x3
|
||||
|
||||
paddsw_r2r (mm2, mm1); // mm1 = u17
|
||||
pmulhw_r2r (mm6, mm7); // mm7 = (T3-1)*x5
|
||||
|
||||
//slot
|
||||
|
||||
movq_r2r (mm4, mm2); // mm2 = T2
|
||||
paddsw_r2r (mm3, mm5); // mm5 = T3*x3
|
||||
|
||||
pmulhw_m2r (*(col+offset+2*8), mm4);// mm4 = T2*x2
|
||||
paddsw_r2r (mm6, mm7); // mm7 = T3*x5
|
||||
|
||||
psubsw_r2r (mm6, mm5); // mm5 = v35
|
||||
paddsw_r2r (mm3, mm7); // mm7 = u35
|
||||
|
||||
movq_m2r (*(col+offset+6*8), mm3); // mm3 = x6
|
||||
movq_r2r (mm0, mm6); // mm6 = v17
|
||||
|
||||
pmulhw_r2r (mm3, mm2); // mm2 = T2*x6
|
||||
psubsw_r2r (mm5, mm0); // mm0 = b3
|
||||
|
||||
psubsw_r2r (mm3, mm4); // mm4 = v26
|
||||
paddsw_r2r (mm6, mm5); // mm5 = v12
|
||||
|
||||
movq_r2m (mm0, scratch0); // save b3
|
||||
movq_r2r (mm1, mm6); // mm6 = u17
|
||||
|
||||
paddsw_m2r (*(col+offset+2*8), mm2);// mm2 = u26
|
||||
paddsw_r2r (mm7, mm6); // mm6 = b0
|
||||
|
||||
psubsw_r2r (mm7, mm1); // mm1 = u12
|
||||
movq_r2r (mm1, mm7); // mm7 = u12
|
||||
|
||||
movq_m2r (*(col+offset+0*8), mm3); // mm3 = x0
|
||||
paddsw_r2r (mm5, mm1); // mm1 = u12+v12
|
||||
|
||||
movq_m2r (*_C4, mm0); // mm0 = C4/2
|
||||
psubsw_r2r (mm5, mm7); // mm7 = u12-v12
|
||||
|
||||
movq_r2m (mm6, scratch1); // save b0
|
||||
pmulhw_r2r (mm0, mm1); // mm1 = b1/2
|
||||
|
||||
movq_r2r (mm4, mm6); // mm6 = v26
|
||||
pmulhw_r2r (mm0, mm7); // mm7 = b2/2
|
||||
|
||||
movq_m2r (*(col+offset+4*8), mm5); // mm5 = x4
|
||||
movq_r2r (mm3, mm0); // mm0 = x0
|
||||
|
||||
psubsw_r2r (mm5, mm3); // mm3 = v04
|
||||
paddsw_r2r (mm5, mm0); // mm0 = u04
|
||||
|
||||
paddsw_r2r (mm3, mm4); // mm4 = a1
|
||||
movq_r2r (mm0, mm5); // mm5 = u04
|
||||
|
||||
psubsw_r2r (mm6, mm3); // mm3 = a2
|
||||
paddsw_r2r (mm2, mm5); // mm5 = a0
|
||||
|
||||
paddsw_r2r (mm1, mm1); // mm1 = b1
|
||||
psubsw_r2r (mm2, mm0); // mm0 = a3
|
||||
|
||||
paddsw_r2r (mm7, mm7); // mm7 = b2
|
||||
movq_r2r (mm3, mm2); // mm2 = a2
|
||||
|
||||
movq_r2r (mm4, mm6); // mm6 = a1
|
||||
paddsw_r2r (mm7, mm3); // mm3 = a2+b2
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm3); // mm3 = y2
|
||||
paddsw_r2r (mm1, mm4); // mm4 = a1+b1
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm4); // mm4 = y1
|
||||
psubsw_r2r (mm1, mm6); // mm6 = a1-b1
|
||||
|
||||
movq_m2r (scratch1, mm1); // mm1 = b0
|
||||
psubsw_r2r (mm7, mm2); // mm2 = a2-b2
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm6); // mm6 = y6
|
||||
movq_r2r (mm5, mm7); // mm7 = a0
|
||||
|
||||
movq_r2m (mm4, *(col+offset+1*8)); // save y1
|
||||
psraw_i2r (COL_SHIFT, mm2); // mm2 = y5
|
||||
|
||||
movq_r2m (mm3, *(col+offset+2*8)); // save y2
|
||||
paddsw_r2r (mm1, mm5); // mm5 = a0+b0
|
||||
|
||||
movq_m2r (scratch0, mm4); // mm4 = b3
|
||||
psubsw_r2r (mm1, mm7); // mm7 = a0-b0
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm5); // mm5 = y0
|
||||
movq_r2r (mm0, mm3); // mm3 = a3
|
||||
|
||||
movq_r2m (mm2, *(col+offset+5*8)); // save y5
|
||||
psubsw_r2r (mm4, mm3); // mm3 = a3-b3
|
||||
|
||||
psraw_i2r (COL_SHIFT, mm7); // mm7 = y7
|
||||
paddsw_r2r (mm0, mm4); // mm4 = a3+b3
|
||||
|
||||
movq_r2m (mm5, *(col+offset+0*8)); // save y0
|
||||
psraw_i2r (COL_SHIFT, mm3); // mm3 = y4
|
||||
|
||||
movq_r2m (mm6, *(col+offset+6*8)); // save y6
|
||||
psraw_i2r (COL_SHIFT, mm4); // mm4 = y3
|
||||
|
||||
movq_r2m (mm7, *(col+offset+7*8)); // save y7
|
||||
|
||||
movq_r2m (mm3, *(col+offset+4*8)); // save y4
|
||||
|
||||
movq_r2m (mm4, *(col+offset+3*8)); // save y3
|
||||
}
|
||||
|
||||
|
||||
static s32 rounder0[] ATTR_ALIGN(8) =
|
||||
rounder ((1 << (COL_SHIFT - 1)) - 0.5);
|
||||
static s32 rounder4[] ATTR_ALIGN(8) = rounder (0);
|
||||
static s32 rounder1[] ATTR_ALIGN(8) =
|
||||
rounder (1.25683487303); // C1*(C1/C4+C1+C7)/2
|
||||
static s32 rounder7[] ATTR_ALIGN(8) =
|
||||
rounder (-0.25); // C1*(C7/C4+C7-C1)/2
|
||||
static s32 rounder2[] ATTR_ALIGN(8) =
|
||||
rounder (0.60355339059); // C2 * (C6+C2)/2
|
||||
static s32 rounder6[] ATTR_ALIGN(8) =
|
||||
rounder (-0.25); // C2 * (C6-C2)/2
|
||||
static s32 rounder3[] ATTR_ALIGN(8) =
|
||||
rounder (0.087788325588); // C3*(-C3/C4+C3+C5)/2
|
||||
static s32 rounder5[] ATTR_ALIGN(8) =
|
||||
rounder (-0.441341716183); // C3*(-C5/C4+C5-C3)/2
|
||||
|
||||
void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
|
||||
int i_idontcare )
|
||||
{
|
||||
static dctelem_t table04[] ATTR_ALIGN(16) =
|
||||
table (22725, 21407, 19266, 16384, 12873, 8867, 4520);
|
||||
static dctelem_t table17[] ATTR_ALIGN(16) =
|
||||
table (31521, 29692, 26722, 22725, 17855, 12299, 6270);
|
||||
static dctelem_t table26[] ATTR_ALIGN(16) =
|
||||
table (29692, 27969, 25172, 21407, 16819, 11585, 5906);
|
||||
static dctelem_t table35[] ATTR_ALIGN(16) =
|
||||
table (26722, 25172, 22654, 19266, 15137, 10426, 5315);
|
||||
|
||||
RowHead( p_block, 0*8, table04 );
|
||||
Row( table04, rounder0 );
|
||||
RowMid( p_block, 0*8, 4*8, table04 );
|
||||
Row( table04, rounder4 );
|
||||
RowMid( p_block, 4*8, 1*8, table17 );
|
||||
Row( table17, rounder1 );
|
||||
RowMid( p_block, 1*8, 7*8, table17 );
|
||||
Row( table17, rounder7 );
|
||||
RowMid( p_block, 7*8, 2*8, table26 );
|
||||
Row( table26, rounder2 );
|
||||
RowMid( p_block, 2*8, 6*8, table26 );
|
||||
Row( table26, rounder6 );
|
||||
RowMid( p_block, 6*8, 3*8, table35 );
|
||||
Row( table35, rounder3 );
|
||||
RowMid( p_block, 3*8, 5*8, table35 );
|
||||
Row( table35, rounder5 );
|
||||
RowTail( p_block, 5*8);
|
||||
|
||||
Col( p_block, 0 );
|
||||
Col( p_block, 4 );
|
||||
}
|
||||
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* vdec_idct.h : types for the inverse discrete cosine transform
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: vdec_idct.h,v 1.3 2001/01/13 12:57:47 sam Exp $
|
||||
* $Id: vdec_idct.h,v 1.4 2001/01/17 18:17:30 massiot Exp $
|
||||
*
|
||||
* Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
|
||||
* Christophe Massiot <massiot@via.ecp.fr>
|
||||
@ -26,4 +26,4 @@ struct vdec_thread_s;
|
||||
|
||||
typedef void ( *idct_init_t ) ( struct vdec_thread_s * );
|
||||
typedef void ( *f_idct_t ) ( struct vdec_thread_s *, dctelem_t*, int );
|
||||
|
||||
typedef void ( *norm_scan_t ) ( u8 ppi_scan[2][64] );
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* video_parser.h : video parser thread
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: video_parser.h,v 1.4 2001/01/15 13:25:09 massiot Exp $
|
||||
* $Id: video_parser.h,v 1.5 2001/01/17 18:17:30 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
*
|
||||
@ -125,14 +125,20 @@ typedef struct vpar_thread_s
|
||||
lookup_t * pl_coded_pattern;
|
||||
/* variable length codes for the structure dct_dc_size for intra blocks */
|
||||
lookup_t * pppl_dct_dc_size[2][2];
|
||||
/* Structure to store the tables B14 & B15 (ISO/CEI 13818-2 B.4) */
|
||||
/* Structure to store the tables B14 & B15 (ISO/IEC 13818-2 B.4) */
|
||||
dct_lookup_t ppl_dct_coef[2][16384];
|
||||
/* Scan table */
|
||||
u8 ppi_scan[2][64];
|
||||
/* Default quantization matrices */
|
||||
u8 pi_default_intra_quant[64];
|
||||
u8 pi_default_nonintra_quant[64];
|
||||
|
||||
/* IDCT plugin used and shortcuts to access its capabilities */
|
||||
struct module_s * p_module;
|
||||
idct_init_t pf_init;
|
||||
f_idct_t pf_sparse_idct;
|
||||
f_idct_t pf_idct;
|
||||
norm_scan_t pf_norm_scan;
|
||||
|
||||
#ifdef STATS
|
||||
/* Statistics */
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* vpar_blocks.h : video parser blocks management
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: vpar_blocks.h,v 1.1 2000/12/21 17:19:52 massiot Exp $
|
||||
* $Id: vpar_blocks.h,v 1.2 2001/01/17 18:17:30 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
* Jean-Marc Dressler <polux@via.ecp.fr>
|
||||
@ -157,8 +157,8 @@ typedef struct dct_lookup_s
|
||||
/*****************************************************************************
|
||||
* Constants
|
||||
*****************************************************************************/
|
||||
extern int pi_default_intra_quant[];
|
||||
extern int pi_default_nonintra_quant[];
|
||||
extern u8 pi_default_intra_quant[64];
|
||||
extern u8 pi_default_nonintra_quant[64];
|
||||
extern u8 pi_scan[2][64];
|
||||
|
||||
/*****************************************************************************
|
||||
@ -170,4 +170,5 @@ void vpar_InitPMBType( struct vpar_thread_s * p_vpar );
|
||||
void vpar_InitBMBType( struct vpar_thread_s * p_vpar );
|
||||
void vpar_InitCodedPattern( struct vpar_thread_s * p_vpar );
|
||||
void vpar_InitDCTTables( struct vpar_thread_s * p_vpar );
|
||||
void vpar_InitScanTable( struct vpar_thread_s * p_vpar );
|
||||
void vpar_PictureData( struct vpar_thread_s * p_vpar, int i_mb_base );
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* vpar_headers.h : video parser : headers parsing
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: vpar_headers.h,v 1.3 2001/01/15 18:02:48 massiot Exp $
|
||||
* $Id: vpar_headers.h,v 1.4 2001/01/17 18:17:30 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
* Stéphane Borel <stef@via.ecp.fr>
|
||||
@ -40,7 +40,7 @@
|
||||
*****************************************************************************/
|
||||
typedef struct quant_matrix_s
|
||||
{
|
||||
int * pi_matrix;
|
||||
u8 * pi_matrix;
|
||||
boolean_t b_allocated;
|
||||
/* Has the matrix been allocated by vpar_headers ? */
|
||||
} quant_matrix_t;
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* video_parser.c : video parser thread
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: video_parser.c,v 1.67 2001/01/15 13:25:09 massiot Exp $
|
||||
* $Id: video_parser.c,v 1.68 2001/01/17 18:17:31 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
* Samuel Hocevar <sam@via.ecp.fr>
|
||||
@ -116,6 +116,7 @@ vlc_thread_t vpar_CreateThread( vdec_config_t * p_config )
|
||||
p_vpar->pf_init = idct_functions.pf_init;
|
||||
p_vpar->pf_sparse_idct = idct_functions.pf_sparse_idct;
|
||||
p_vpar->pf_idct = idct_functions.pf_idct;
|
||||
p_vpar->pf_norm_scan = idct_functions.pf_norm_scan;
|
||||
#undef idct_functions
|
||||
|
||||
/* Spawn the video parser thread */
|
||||
@ -228,6 +229,7 @@ static int InitThread( vpar_thread_t *p_vpar )
|
||||
vpar_InitPMBType( p_vpar );
|
||||
vpar_InitBMBType( p_vpar );
|
||||
vpar_InitDCTTables( p_vpar );
|
||||
vpar_InitScanTable( p_vpar );
|
||||
|
||||
/*
|
||||
* Initialize the synchro properties
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* vpar_blocks.c : blocks parsing
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: vpar_blocks.c,v 1.70 2001/01/13 12:57:21 sam Exp $
|
||||
* $Id: vpar_blocks.c,v 1.71 2001/01/17 18:17:31 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
* Jean-Marc Dressler <polux@via.ecp.fr>
|
||||
@ -609,6 +609,26 @@ void vpar_InitDCTTables( vpar_thread_t * p_vpar )
|
||||
FillDCTTable( p_vpar->ppl_dct_coef[1], pl_DCT_tab6, 1, 16, 16 );
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* vpar_InitScanTable : Initialize scan table
|
||||
*****************************************************************************/
|
||||
void vpar_InitScanTable( vpar_thread_t * p_vpar )
|
||||
{
|
||||
int i;
|
||||
|
||||
memcpy( p_vpar->ppi_scan, pi_scan, sizeof(pi_scan) );
|
||||
p_vpar->pf_norm_scan( p_vpar->ppi_scan );
|
||||
|
||||
/* If scan table has changed, we must change the quantization matrices. */
|
||||
for( i = 0; i < 64; i++ )
|
||||
{
|
||||
p_vpar->pi_default_intra_quant[ p_vpar->ppi_scan[0][i] ] =
|
||||
pi_default_intra_quant[ pi_scan[0][i] ];
|
||||
p_vpar->pi_default_nonintra_quant[ p_vpar->ppi_scan[0][i] ] =
|
||||
pi_default_nonintra_quant[ pi_scan[0][i] ];
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Block parsing
|
||||
@ -686,11 +706,6 @@ static __inline__ void DecodeMPEG1NonIntra( vpar_thread_t * p_vpar,
|
||||
|
||||
break;
|
||||
case DCT_EOB:
|
||||
#ifdef HAVE_MMX
|
||||
/* The MMX IDCT has a precision problem with non-intra
|
||||
* blocks. */
|
||||
p_mb->ppi_blocks[i_b][0] += 4;
|
||||
#endif
|
||||
if( i_nc <= 1 )
|
||||
{
|
||||
p_mb->pf_idct[i_b] = p_vpar->pf_sparse_idct;
|
||||
@ -715,7 +730,7 @@ static __inline__ void DecodeMPEG1NonIntra( vpar_thread_t * p_vpar,
|
||||
break;
|
||||
}
|
||||
|
||||
i_pos = pi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_pos = p_vpar->ppi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_level = ( ((i_level << 1) + 1) * p_vpar->mb.i_quantizer_scale
|
||||
* p_vpar->sequence.nonintra_quant.pi_matrix[i_pos] ) >> 4;
|
||||
|
||||
@ -870,7 +885,7 @@ static __inline__ void DecodeMPEG1Intra( vpar_thread_t * p_vpar,
|
||||
}
|
||||
|
||||
/* Determine the position of the block in the frame */
|
||||
i_pos = pi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_pos = p_vpar->ppi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_level = ( i_level *
|
||||
p_vpar->mb.i_quantizer_scale *
|
||||
p_vpar->sequence.intra_quant.pi_matrix[i_pos] ) >> 3;
|
||||
@ -908,7 +923,7 @@ static __inline__ void DecodeMPEG2NonIntra( vpar_thread_t * p_vpar,
|
||||
boolean_t b_dc;
|
||||
boolean_t b_sign;
|
||||
boolean_t b_chroma;
|
||||
int * pi_quant;
|
||||
u8 * pi_quant;
|
||||
|
||||
/* Give the chromatic component (0, 1, 2) */
|
||||
i_cc = pi_cc_index[i_b];
|
||||
@ -988,7 +1003,7 @@ static __inline__ void DecodeMPEG2NonIntra( vpar_thread_t * p_vpar,
|
||||
break;
|
||||
}
|
||||
|
||||
i_pos = pi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_pos = p_vpar->ppi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_level = ( ((i_level << 1) + 1) * p_vpar->mb.i_quantizer_scale
|
||||
* pi_quant[i_pos] ) >> 5;
|
||||
p_mb->ppi_blocks[i_b][i_pos] = b_sign ? -i_level : i_level;
|
||||
@ -1019,7 +1034,7 @@ static __inline__ void DecodeMPEG2Intra( vpar_thread_t * p_vpar,
|
||||
boolean_t b_vlc_intra;
|
||||
boolean_t b_sign;
|
||||
boolean_t b_chroma;
|
||||
int * pi_quant;
|
||||
u8 * pi_quant;
|
||||
|
||||
/* Give the chromatic component (0, 1, 2) */
|
||||
i_cc = pi_cc_index[i_b];
|
||||
@ -1132,7 +1147,7 @@ static __inline__ void DecodeMPEG2Intra( vpar_thread_t * p_vpar,
|
||||
}
|
||||
|
||||
/* Determine the position of the block in the frame */
|
||||
i_pos = pi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_pos = p_vpar->ppi_scan[p_vpar->picture.b_alternate_scan][i_parse];
|
||||
i_level = ( i_level *
|
||||
p_vpar->mb.i_quantizer_scale *
|
||||
pi_quant[i_pos] ) >> 4;
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
* vpar_headers.c : headers parsing
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1999, 2000 VideoLAN
|
||||
* $Id: vpar_headers.c,v 1.72 2001/01/16 18:06:01 massiot Exp $
|
||||
* $Id: vpar_headers.c,v 1.73 2001/01/17 18:17:31 massiot Exp $
|
||||
*
|
||||
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
||||
* Stéphane Borel <stef@via.ecp.fr>
|
||||
@ -76,8 +76,7 @@ static void CopyrightExtension( vpar_thread_t * p_vpar );
|
||||
/*****************************************************************************
|
||||
* pi_default_intra_quant : default quantization matrix
|
||||
*****************************************************************************/
|
||||
#ifndef VDEC_DFT
|
||||
int pi_default_intra_quant[] =
|
||||
u8 pi_default_intra_quant[] =
|
||||
{
|
||||
8, 16, 19, 22, 26, 27, 29, 34,
|
||||
16, 16, 22, 24, 27, 29, 34, 37,
|
||||
@ -88,25 +87,11 @@ int pi_default_intra_quant[] =
|
||||
26, 27, 29, 34, 38, 46, 56, 69,
|
||||
27, 29, 35, 38, 46, 56, 69, 83
|
||||
};
|
||||
#else
|
||||
int pi_default_intra_quant[] =
|
||||
{
|
||||
2048, 5681, 6355, 6623, 6656, 5431, 4018, 2401,
|
||||
5681, 7880, 10207, 10021, 9587, 8091, 6534, 3625,
|
||||
6355, 10207, 11363, 10619, 9700, 8935, 6155, 3507,
|
||||
6623, 9186, 10226, 9557, 8730, 8041, 6028, 3322,
|
||||
5632, 9232, 9031, 8730, 8192, 7040, 5542, 3390,
|
||||
5230, 7533, 7621, 7568, 7040, 6321, 5225, 3219,
|
||||
3602, 5189, 5250, 5539, 5265, 5007, 4199, 2638,
|
||||
1907, 2841, 3230, 3156, 3249, 3108, 2638, 1617
|
||||
};
|
||||
#endif
|
||||
|
||||
/*****************************************************************************
|
||||
* pi_default_nonintra_quant : default quantization matrix
|
||||
*****************************************************************************/
|
||||
#ifndef VDEC_DFT
|
||||
int pi_default_nonintra_quant[] =
|
||||
u8 pi_default_nonintra_quant[] =
|
||||
{
|
||||
16, 16, 16, 16, 16, 16, 16, 16,
|
||||
16, 16, 16, 16, 16, 16, 16, 16,
|
||||
@ -117,19 +102,6 @@ int pi_default_nonintra_quant[] =
|
||||
16, 16, 16, 16, 16, 16, 16, 16,
|
||||
16, 16, 16, 16, 16, 16, 16, 16
|
||||
};
|
||||
#else
|
||||
int pi_default_nonintra_quanit[] =
|
||||
{
|
||||
4096, 5680, 5344, 4816, 4096, 3216, 2224, 1136,
|
||||
5680, 7888, 7424, 6688, 5680, 4464, 3072, 1568,
|
||||
5344, 7424, 6992, 6288, 5344, 4208, 2896, 1472,
|
||||
4816, 6688, 6288, 5664, 4816, 3792, 2608, 1328,
|
||||
4096, 5680, 5344, 4816, 4096, 3216, 2224, 1136,
|
||||
3216, 4464, 4208, 3792, 3216, 2528, 1744, 880,
|
||||
2224, 3072, 2896, 2608, 2224, 1744, 1200, 608,
|
||||
1136, 1568, 1472, 1328, 1136, 880, 608, 304
|
||||
};
|
||||
#endif
|
||||
|
||||
/*****************************************************************************
|
||||
* pi_scan : zig-zag and alternate scan patterns
|
||||
@ -211,14 +183,15 @@ static void __inline__ ReferenceReplace( vpar_thread_t * p_vpar,
|
||||
/*****************************************************************************
|
||||
* LoadMatrix : Load a quantization matrix
|
||||
*****************************************************************************/
|
||||
static __inline__ void LoadMatrix( vpar_thread_t * p_vpar, quant_matrix_t * p_matrix )
|
||||
static __inline__ void LoadMatrix( vpar_thread_t * p_vpar,
|
||||
quant_matrix_t * p_matrix )
|
||||
{
|
||||
int i_dummy;
|
||||
|
||||
if( !p_matrix->b_allocated )
|
||||
{
|
||||
/* Allocate a piece of memory to load the matrix. */
|
||||
if( (p_matrix->pi_matrix = (int *)malloc( 64*sizeof(int) )) == NULL )
|
||||
if( (p_matrix->pi_matrix = (u8 *)malloc( 64*sizeof(u8) )) == NULL )
|
||||
{
|
||||
intf_ErrMsg( "vpar error: allocation error in LoadMatrix()" );
|
||||
p_vpar->p_fifo->b_error = 1;
|
||||
@ -229,7 +202,7 @@ static __inline__ void LoadMatrix( vpar_thread_t * p_vpar, quant_matrix_t * p_ma
|
||||
|
||||
for( i_dummy = 0; i_dummy < 64; i_dummy++ )
|
||||
{
|
||||
p_matrix->pi_matrix[pi_scan[SCAN_ZIGZAG][i_dummy]]
|
||||
p_matrix->pi_matrix[p_vpar->ppi_scan[SCAN_ZIGZAG][i_dummy]]
|
||||
= GetBits( &p_vpar->bit_stream, 8 );
|
||||
}
|
||||
|
||||
@ -243,7 +216,7 @@ static __inline__ void LoadMatrix( vpar_thread_t * p_vpar, quant_matrix_t * p_ma
|
||||
/*****************************************************************************
|
||||
* LinkMatrix : Link a quantization matrix to another
|
||||
*****************************************************************************/
|
||||
static __inline__ void LinkMatrix( quant_matrix_t * p_matrix, int * pi_array )
|
||||
static __inline__ void LinkMatrix( quant_matrix_t * p_matrix, u8 * pi_array )
|
||||
{
|
||||
if( p_matrix->b_allocated )
|
||||
{
|
||||
@ -366,7 +339,8 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
|
||||
else
|
||||
{
|
||||
/* Use default matrix. */
|
||||
LinkMatrix( &p_vpar->sequence.intra_quant, pi_default_intra_quant );
|
||||
LinkMatrix( &p_vpar->sequence.intra_quant,
|
||||
p_vpar->pi_default_intra_quant );
|
||||
}
|
||||
|
||||
if( GetBits( &p_vpar->bit_stream, 1 ) ) /* load_non_intra_quantizer_matrix */
|
||||
@ -376,7 +350,8 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
|
||||
else
|
||||
{
|
||||
/* Use default matrix. */
|
||||
LinkMatrix( &p_vpar->sequence.nonintra_quant, pi_default_nonintra_quant );
|
||||
LinkMatrix( &p_vpar->sequence.nonintra_quant,
|
||||
p_vpar->pi_default_nonintra_quant );
|
||||
}
|
||||
|
||||
/* Unless later overwritten by a matrix extension, we have the same
|
||||
@ -905,7 +880,7 @@ static void QuantMatrixExtension( vpar_thread_t * p_vpar )
|
||||
{
|
||||
/* Use the default matrix. */
|
||||
LinkMatrix( &p_vpar->sequence.intra_quant,
|
||||
pi_default_intra_quant );
|
||||
p_vpar->pi_default_intra_quant );
|
||||
}
|
||||
if( GetBits( &p_vpar->bit_stream, 1 ) )
|
||||
{
|
||||
@ -916,7 +891,7 @@ static void QuantMatrixExtension( vpar_thread_t * p_vpar )
|
||||
{
|
||||
/* Use the default matrix. */
|
||||
LinkMatrix( &p_vpar->sequence.nonintra_quant,
|
||||
pi_default_nonintra_quant );
|
||||
p_vpar->pi_default_nonintra_quant );
|
||||
}
|
||||
if( GetBits( &p_vpar->bit_stream, 1 ) )
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user