dsputil_arm.c
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上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:9k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 nt"
- "1: nt"
- /* load dest */
- "ldr r4, [%1] nt"
- /* block[0] and block[1]*/
- "ldrsh r5, [%0] nt"
- "ldrsh r7, [%0, #2] nt"
- "and r6, r4, #0xFF nt"
- "and r8, r4, #0xFF00 nt"
- "add r6, r5, r6 nt"
- "add r8, r7, r8, lsr #8 nt"
- "mvn r5, r5 nt"
- "mvn r7, r7 nt"
- "tst r6, #0x100 nt"
- "movne r6, r5, lsr #24 nt"
- "tst r8, #0x100 nt"
- "movne r8, r7, lsr #24 nt"
- "mov r9, r6 nt"
- "ldrsh r5, [%0, #4] nt" /* moved form [A] */
- "orr r9, r9, r8, lsl #8 nt"
- /* block[2] and block[3] */
- /* [A] */
- "ldrsh r7, [%0, #6] nt"
- "and r6, r4, #0xFF0000 nt"
- "and r8, r4, #0xFF000000 nt"
- "add r6, r5, r6, lsr #16 nt"
- "add r8, r7, r8, lsr #24 nt"
- "mvn r5, r5 nt"
- "mvn r7, r7 nt"
- "tst r6, #0x100 nt"
- "movne r6, r5, lsr #24 nt"
- "tst r8, #0x100 nt"
- "movne r8, r7, lsr #24 nt"
- "orr r9, r9, r6, lsl #16 nt"
- "ldr r4, [%1, #4] nt" /* moved form [B] */
- "orr r9, r9, r8, lsl #24 nt"
- /* store dest */
- "ldrsh r5, [%0, #8] nt" /* moved form [C] */
- "str r9, [%1] nt"
- /* load dest */
- /* [B] */
- /* block[4] and block[5] */
- /* [C] */
- "ldrsh r7, [%0, #10] nt"
- "and r6, r4, #0xFF nt"
- "and r8, r4, #0xFF00 nt"
- "add r6, r5, r6 nt"
- "add r8, r7, r8, lsr #8 nt"
- "mvn r5, r5 nt"
- "mvn r7, r7 nt"
- "tst r6, #0x100 nt"
- "movne r6, r5, lsr #24 nt"
- "tst r8, #0x100 nt"
- "movne r8, r7, lsr #24 nt"
- "mov r9, r6 nt"
- "ldrsh r5, [%0, #12] nt" /* moved from [D] */
- "orr r9, r9, r8, lsl #8 nt"
- /* block[6] and block[7] */
- /* [D] */
- "ldrsh r7, [%0, #14] nt"
- "and r6, r4, #0xFF0000 nt"
- "and r8, r4, #0xFF000000 nt"
- "add r6, r5, r6, lsr #16 nt"
- "add r8, r7, r8, lsr #24 nt"
- "mvn r5, r5 nt"
- "mvn r7, r7 nt"
- "tst r6, #0x100 nt"
- "movne r6, r5, lsr #24 nt"
- "tst r8, #0x100 nt"
- "movne r8, r7, lsr #24 nt"
- "orr r9, r9, r6, lsl #16 nt"
- "add %0, %0, #16 nt" /* moved from [E] */
- "orr r9, r9, r8, lsl #24 nt"
- "subs r10, r10, #1 nt" /* moved from [F] */
- /* store dest */
- "str r9, [%1, #4] nt"
- /* [E] */
- /* [F] */
- "add %1, %1, %2 nt"
- "bne 1b nt"
- : "+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; // ?(蝗われない) */
- 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
- }