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dsputil_arm.c
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dsputil_arm.c
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/*
* ARMv4L optimized DSP utils
* Copyright (c) 2001 Lionel Ulmer.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "../dsputil.h"
#ifdef HAVE_IPP
#include "ipp.h"
#endif
extern void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx);
extern void j_rev_dct_ARM(DCTELEM *data);
extern void simple_idct_ARM(DCTELEM *data);
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
CALL_2X_PIXELS(put_pixels16_x2_arm , put_pixels8_x2_arm , 8)
CALL_2X_PIXELS(put_pixels16_y2_arm , put_pixels8_y2_arm , 8)
CALL_2X_PIXELS(put_pixels16_xy2_arm, put_pixels8_xy2_arm, 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
static void add_pixels_clamped_ARM(short *block, unsigned char *dest, int line_size)
{
asm volatile (
"mov r10, #8 \n\t"
"1: \n\t"
/* load dest */
"ldr r4, [%1] \n\t"
/* block[0] and block[1]*/
"ldrsh r5, [%0] \n\t"
"ldrsh r7, [%0, #2] \n\t"
"and r6, r4, #0xFF \n\t"
"and r8, r4, #0xFF00 \n\t"
"add r6, r5, r6 \n\t"
"add r8, r7, r8, lsr #8 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"mov r9, r6 \n\t"
"ldrsh r5, [%0, #4] \n\t" /* moved form [A] */
"orr r9, r9, r8, lsl #8 \n\t"
/* block[2] and block[3] */
/* [A] */
"ldrsh r7, [%0, #6] \n\t"
"and r6, r4, #0xFF0000 \n\t"
"and r8, r4, #0xFF000000 \n\t"
"add r6, r5, r6, lsr #16 \n\t"
"add r8, r7, r8, lsr #24 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"orr r9, r9, r6, lsl #16 \n\t"
"ldr r4, [%1, #4] \n\t" /* moved form [B] */
"orr r9, r9, r8, lsl #24 \n\t"
/* store dest */
"ldrsh r5, [%0, #8] \n\t" /* moved form [C] */
"str r9, [%1] \n\t"
/* load dest */
/* [B] */
/* block[4] and block[5] */
/* [C] */
"ldrsh r7, [%0, #10] \n\t"
"and r6, r4, #0xFF \n\t"
"and r8, r4, #0xFF00 \n\t"
"add r6, r5, r6 \n\t"
"add r8, r7, r8, lsr #8 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"mov r9, r6 \n\t"
"ldrsh r5, [%0, #12] \n\t" /* moved from [D] */
"orr r9, r9, r8, lsl #8 \n\t"
/* block[6] and block[7] */
/* [D] */
"ldrsh r7, [%0, #14] \n\t"
"and r6, r4, #0xFF0000 \n\t"
"and r8, r4, #0xFF000000 \n\t"
"add r6, r5, r6, lsr #16 \n\t"
"add r8, r7, r8, lsr #24 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"orr r9, r9, r6, lsl #16 \n\t"
"add %0, %0, #16 \n\t" /* moved from [E] */
"orr r9, r9, r8, lsl #24 \n\t"
"subs r10, r10, #1 \n\t" /* moved from [F] */
/* store dest */
"str r9, [%1, #4] \n\t"
/* [E] */
/* [F] */
"add %1, %1, %2 \n\t"
"bne 1b \n\t"
: "+r"(block),
"+r"(dest)
: "r"(line_size)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "cc", "memory" );
}
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_add_pixels_clamped(block, dest, line_size);
}
static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
{
simple_idct_ARM (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
{
simple_idct_ARM (block);
ff_add_pixels_clamped(block, dest, line_size);
}
static void simple_idct_ipp(DCTELEM *block)
{
#ifdef HAVE_IPP
ippiDCT8x8Inv_Video_16s_C1I(block);
#endif
}
static void simple_idct_ipp_put(uint8_t *dest, int line_size, DCTELEM *block)
{
#ifdef HAVE_IPP
ippiDCT8x8Inv_Video_16s8u_C1R(block, dest, line_size);
#endif
}
void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size);
static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
{
#ifdef HAVE_IPP
ippiDCT8x8Inv_Video_16s_C1I(block);
#ifdef HAVE_IWMMXT
add_pixels_clamped_iwmmxt(block, dest, line_size);
#else
add_pixels_clamped_ARM(block, dest, line_size);
#endif
#endif
}
void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)
{
const int idct_algo= avctx->idct_algo;
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
#ifdef HAVE_IPP
if(idct_algo==FF_IDCT_ARM){
#else
if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){
#endif
c->idct_put= j_rev_dct_ARM_put;
c->idct_add= j_rev_dct_ARM_add;
c->idct = j_rev_dct_ARM;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */
} else if (idct_algo==FF_IDCT_SIMPLEARM){
c->idct_put= simple_idct_ARM_put;
c->idct_add= simple_idct_ARM_add;
c->idct = simple_idct_ARM;
c->idct_permutation_type= FF_NO_IDCT_PERM;
#ifdef HAVE_IPP
} else if (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_IPP){
#else
} else if (idct_algo==FF_IDCT_IPP){
#endif
c->idct_put= simple_idct_ipp_put;
c->idct_add= simple_idct_ipp_add;
c->idct = simple_idct_ipp;
c->idct_permutation_type= FF_NO_IDCT_PERM;
}
/* c->put_pixels_tab[0][0] = put_pixels16_arm; */ // NG!
c->put_pixels_tab[0][1] = put_pixels16_x2_arm; //OK!
c->put_pixels_tab[0][2] = put_pixels16_y2_arm; //OK!
/* c->put_pixels_tab[0][3] = put_pixels16_xy2_arm; /\* NG *\/ */
/* c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm; // ?(»È¤ï¤ì¤Ê¤¤) */
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm; // OK
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm; //OK
/* c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm; //NG */
c->put_pixels_tab[1][0] = put_pixels8_arm; //OK
c->put_pixels_tab[1][1] = put_pixels8_x2_arm; //OK
/* c->put_pixels_tab[1][2] = put_pixels8_y2_arm; //NG */
/* c->put_pixels_tab[1][3] = put_pixels8_xy2_arm; //NG */
c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;//OK
c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm; //OK
c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm; //OK
/* c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;//NG */
#ifdef HAVE_IWMMXT
dsputil_init_iwmmxt(c, avctx);
#endif
}