diff options
author | Diego Biurrun <diego@biurrun.de> | 2012-02-07 18:06:09 +0400 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2012-02-13 12:59:53 +0400 |
commit | 0bf184e59cdb9a33883b8a04c8573d132ab5ee7c (patch) | |
tree | 2e4c53856ca2e9a8f265811f69a20d4a1d686c7c /libavcodec/mips | |
parent | 75f11901b588684dae19eaa9e5896931b30ffdcc (diff) |
Move PS2 MMI code below the mips subdirectory, where it belongs.
Also give a more suitable name to the MMI-optimized IDCT;
it is not PS2-specific, as the name currently suggests.
Diffstat (limited to 'libavcodec/mips')
-rw-r--r-- | libavcodec/mips/Makefile | 6 | ||||
-rw-r--r-- | libavcodec/mips/dsputil_mmi.c | 162 | ||||
-rw-r--r-- | libavcodec/mips/idct_mmi.c | 361 | ||||
-rw-r--r-- | libavcodec/mips/mmi.h | 179 | ||||
-rw-r--r-- | libavcodec/mips/mpegvideo_mmi.c | 87 |
5 files changed, 792 insertions, 3 deletions
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile index 3f4da68ec9..006617687e 100644 --- a/libavcodec/mips/Makefile +++ b/libavcodec/mips/Makefile @@ -1,3 +1,3 @@ -OBJS-$(HAVE_MMI) += ps2/dsputil_mmi.o \ - ps2/idct_mmi.o \ - ps2/mpegvideo_mmi.o \ +OBJS-$(HAVE_MMI) += mips/dsputil_mmi.o \ + mips/idct_mmi.o \ + mips/mpegvideo_mmi.o \ diff --git a/libavcodec/mips/dsputil_mmi.c b/libavcodec/mips/dsputil_mmi.c new file mode 100644 index 0000000000..20a435a065 --- /dev/null +++ b/libavcodec/mips/dsputil_mmi.c @@ -0,0 +1,162 @@ +/* + * MMI optimized DSP utils + * Copyright (c) 2000, 2001 Fabrice Bellard + * + * MMI optimization by Leon van Stuivenberg + * clear_blocks_mmi() by BroadQ + * + * This file is part of Libav. + * + * Libav 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 2.1 of the License, or (at your option) any later version. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavcodec/dsputil.h" +#include "mmi.h" + +static void clear_blocks_mmi(DCTELEM * blocks) +{ + __asm__ volatile( + ".set noreorder \n" + "addiu $9, %0, 768 \n" + "nop \n" + "1: \n" + "sq $0, 0(%0) \n" + "move $8, %0 \n" + "addi %0, %0, 64 \n" + "sq $0, 16($8) \n" + "slt $10, %0, $9 \n" + "sq $0, 32($8) \n" + "bnez $10, 1b \n" + "sq $0, 48($8) \n" + ".set reorder \n" + : "+r" (blocks) :: "$8", "$9", "memory" ); +} + + +static void get_pixels_mmi(DCTELEM *block, const uint8_t *pixels, int line_size) +{ + __asm__ volatile( + ".set push \n\t" + ".set mips3 \n\t" + "ld $8, 0(%0) \n\t" + "add %0, %0, %2 \n\t" + "ld $9, 0(%0) \n\t" + "add %0, %0, %2 \n\t" + "ld $10, 0(%0) \n\t" + "pextlb $8, $0, $8 \n\t" + "sq $8, 0(%1) \n\t" + "add %0, %0, %2 \n\t" + "ld $8, 0(%0) \n\t" + "pextlb $9, $0, $9 \n\t" + "sq $9, 16(%1) \n\t" + "add %0, %0, %2 \n\t" + "ld $9, 0(%0) \n\t" + "pextlb $10, $0, $10 \n\t" + "sq $10, 32(%1) \n\t" + "add %0, %0, %2 \n\t" + "ld $10, 0(%0) \n\t" + "pextlb $8, $0, $8 \n\t" + "sq $8, 48(%1) \n\t" + "add %0, %0, %2 \n\t" + "ld $8, 0(%0) \n\t" + "pextlb $9, $0, $9 \n\t" + "sq $9, 64(%1) \n\t" + "add %0, %0, %2 \n\t" + "ld $9, 0(%0) \n\t" + "pextlb $10, $0, $10 \n\t" + "sq $10, 80(%1) \n\t" + "pextlb $8, $0, $8 \n\t" + "sq $8, 96(%1) \n\t" + "pextlb $9, $0, $9 \n\t" + "sq $9, 112(%1) \n\t" + ".set pop \n\t" + : "+r" (pixels) : "r" (block), "r" (line_size) : "$8", "$9", "$10", "memory" ); +} + + +static void put_pixels8_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + __asm__ volatile( + ".set push \n\t" + ".set mips3 \n\t" + "1: \n\t" + "ldr $8, 0(%1) \n\t" + "addiu %2, %2, -1 \n\t" + "ldl $8, 7(%1) \n\t" + "add %1, %1, %3 \n\t" + "sd $8, 0(%0) \n\t" + "add %0, %0, %3 \n\t" + "bgtz %2, 1b \n\t" + ".set pop \n\t" + : "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size) + : "$8", "memory" ); +} + + +static void put_pixels16_mmi(uint8_t *block, const uint8_t *pixels, int line_size, int h) +{ + __asm__ volatile ( + ".set push \n\t" + ".set mips3 \n\t" + "1: \n\t" + "ldr $8, 0(%1) \n\t" + "add $11, %1, %3 \n\t" + "ldl $8, 7(%1) \n\t" + "add $10, %0, %3 \n\t" + "ldr $9, 8(%1) \n\t" + "ldl $9, 15(%1) \n\t" + "ldr $12, 0($11) \n\t" + "add %1, $11, %3 \n\t" + "ldl $12, 7($11) \n\t" + "pcpyld $8, $9, $8 \n\t" + "sq $8, 0(%0) \n\t" + "ldr $13, 8($11) \n\t" + "addiu %2, %2, -2 \n\t" + "ldl $13, 15($11) \n\t" + "add %0, $10, %3 \n\t" + "pcpyld $12, $13, $12 \n\t" + "sq $12, 0($10) \n\t" + "bgtz %2, 1b \n\t" + ".set pop \n\t" + : "+r" (block), "+r" (pixels), "+r" (h) : "r" (line_size) + : "$8", "$9", "$10", "$11", "$12", "$13", "memory" ); +} + + +void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx) +{ + const int idct_algo= avctx->idct_algo; + const int high_bit_depth = avctx->bits_per_raw_sample > 8; + + if (!high_bit_depth) { + c->clear_blocks = clear_blocks_mmi; + + c->put_pixels_tab[1][0] = put_pixels8_mmi; + c->put_no_rnd_pixels_tab[1][0] = put_pixels8_mmi; + + c->put_pixels_tab[0][0] = put_pixels16_mmi; + c->put_no_rnd_pixels_tab[0][0] = put_pixels16_mmi; + + c->get_pixels = get_pixels_mmi; + } + + if (avctx->bits_per_raw_sample <= 8 && + (idct_algo == FF_IDCT_AUTO || idct_algo == FF_IDCT_MMI)) { + c->idct_put= ff_mmi_idct_put; + c->idct_add= ff_mmi_idct_add; + c->idct = ff_mmi_idct; + c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM; + } +} diff --git a/libavcodec/mips/idct_mmi.c b/libavcodec/mips/idct_mmi.c new file mode 100644 index 0000000000..9b9033ae44 --- /dev/null +++ b/libavcodec/mips/idct_mmi.c @@ -0,0 +1,361 @@ +/* + * Originally provided by Intel at Application Note AP-922. + * + * Column code adapted from Peter Gubanov. + * Copyright (c) 2000-2001 Peter Gubanov <peter@elecard.net.ru> + * http://www.elecard.com/peter/idct.shtml + * rounding trick copyright (c) 2000 Michel Lespinasse <walken@zoy.org> + * + * MMI port and (c) 2002 by Leon van Stuivenberg + * + * This file is part of Libav. + * + * Libav 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 2.1 of the License, or (at your option) any later version. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/common.h" +#include "libavcodec/dsputil.h" +#include "mmi.h" + +#define BITS_INV_ACC 5 // 4 or 5 for IEEE +#define SHIFT_INV_ROW (16 - BITS_INV_ACC) +#define SHIFT_INV_COL (1 + BITS_INV_ACC) + +#define TG1 6518 +#define TG2 13573 +#define TG3 21895 +#define CS4 23170 + +#define ROUNDER_0 0 +#define ROUNDER_1 16 + +#define TAB_i_04 (32+0) +#define TAB_i_17 (32+64) +#define TAB_i_26 (32+128) +#define TAB_i_35 (32+192) + +#define TG_1_16 (32+256+0) +#define TG_2_16 (32+256+16) +#define TG_3_16 (32+256+32) +#define COS_4_16 (32+256+48) + +#define CLIPMAX (32+256+64+0) + +static short consttable[] align16 = { +/* rounder 0*/ // assume SHIFT_INV_ROW == 11 + 0x3ff, 1, 0x3ff, 1, 0x3ff, 1, 0x3ff, 1, +/* rounder 1*/ + 0x3ff, 0, 0x3ff, 0, 0x3ff, 0, 0x3ff, 0, +/* row 0/4*/ + 16384, 21407, -16384, -21407, 22725, 19266, -22725, -12873, + 8867, 16384, 8867, 16384, 4520, 12873, -4520, 19266, + 16384, -8867, 16384, -8867, 12873, -22725, 19266, -22725, + 21407, -16384, -21407, 16384, 19266, 4520, -12873, 4520, +/* row 1/7*/ + 22725, 29692, -22725, -29692, 31521, 26722, -31521, -17855, + 12299, 22725, 12299, 22725, 6270, 17855, -6270, 26722, + 22725, -12299, 22725, -12299, 17855, -31521, 26722, -31521, + 29692, -22725, -29692, 22725, 26722, 6270, -17855, 6270, +/* row 2/6*/ + 21407, 27969, -21407, -27969, 29692, 25172, -29692, -16819, + 11585, 21407, 11585, 21407, 5906, 16819, -5906, 25172, + 21407, -11585, 21407, -11585, 16819, -29692, 25172, -29692, + 27969, -21407, -27969, 21407, 25172, 5906, -16819, 5906, +/*row 3/5*/ + 19266, 25172, -19266, -25172, 26722, 22654, -26722, -15137, + 10426, 19266, 10426, 19266, 5315, 15137, -5315, 22654, + 19266, -10426, 19266, -10426, 15137, -26722, 22654, -26722, + 25172, -19266, -25172, 19266, 22654, 5315, -15137, 5315, +/*column constants*/ + TG1, TG1, TG1, TG1, TG1, TG1, TG1, TG1, + TG2, TG2, TG2, TG2, TG2, TG2, TG2, TG2, + TG3, TG3, TG3, TG3, TG3, TG3, TG3, TG3, + CS4, CS4, CS4, CS4, CS4, CS4, CS4, CS4, +/* clamp */ + 255, 255, 255, 255, 255, 255, 255, 255 +}; + + +#define DCT_8_INV_ROW1(blk, rowoff, taboff, rnd, outreg) { \ + lq(blk, rowoff, $16); /* r16 = x7 x5 x3 x1 x6 x4 x2 x0 */ \ + /*slot*/ \ + lq($24, 0+taboff, $17); /* r17 = w */ \ + /*delay slot $16*/ \ + lq($24, 16+taboff, $18);/* r18 = w */ \ + prevh($16, $2); /* r2 = x1 x3 x5 x7 x0 x2 x4 x6 */ \ + lq($24, 32+taboff, $19);/* r19 = w */ \ + phmadh($17, $16, $17); /* r17 = b1"b0'a1"a0' */ \ + lq($24, 48+taboff, $20);/* r20 = w */ \ + phmadh($18, $2, $18); /* r18 = b1'b0"a1'a0" */ \ + phmadh($19, $16, $19); /* r19 = b3"b2'a3"a2' */ \ + phmadh($20, $2, $20); /* r20 = b3'b2"a3'a2" */ \ + paddw($17, $18, $17); /* r17 = (b1)(b0)(a1)(a0) */ \ + paddw($19, $20, $19); /* r19 = (b3)(b2)(a3)(a2) */ \ + pcpyld($19, $17, $18); /* r18 = (a3)(a2)(a1)(a0) */ \ + pcpyud($17, $19, $20); /* r20 = (b3)(b2)(b1)(b0) */ \ + paddw($18, rnd, $18); /* r18 = (a3)(a2)(a1)(a0) */\ + paddw($18, $20, $17); /* r17 = ()()()(a0+b0) */ \ + psubw($18, $20, $20); /* r20 = ()()()(a0-b0) */ \ + psraw($17, SHIFT_INV_ROW, $17); /* r17 = (y3 y2 y1 y0) */ \ + psraw($20, SHIFT_INV_ROW, $20); /* r20 = (y4 y5 y6 y7) */ \ + ppach($20, $17, outreg);/* out = y4 y5 y6 y7 y3 y2 y1 y0 Note order */ \ +\ + prevh(outreg, $2); \ + pcpyud($2, $2, $2); \ + pcpyld($2, outreg, outreg); \ +} + + +#define DCT_8_INV_COL8() \ +\ + lq($24, TG_3_16, $2); /* r2 = tn3 */ \ +\ + pmulth($11, $2, $17); /* r17 = x3 * tn3 (6420) */ \ + psraw($17, 15, $17); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $17, $17); /* r17 = x3 * tn3 */ \ + psubh($17, $13, $17); /* r17 = tm35 */ \ +\ + pmulth($13, $2, $18); /* r18 = x5 * tn3 (6420) */ \ + psraw($18, 15, $18); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $18, $18); /* r18 = x5 * tn3 */ \ + paddh($18, $11, $18); /* r18 = tp35 */ \ +\ + lq($24, TG_1_16, $2); /* r2 = tn1 */ \ +\ + pmulth($15, $2, $19); /* r19 = x7 * tn1 (6420) */ \ + psraw($19, 15, $19); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $19, $19); /* r19 = x7 * tn1 */ \ + paddh($19, $9, $19); /* r19 = tp17 */ \ +\ + pmulth($9, $2, $20); /* r20 = x1 * tn1 (6420) */ \ + psraw($20, 15, $20); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $20, $20); /* r20 = x1 * tn1 */ \ + psubh($20, $15, $20); /* r20 = tm17 */ \ +\ + psubh($19, $18, $3); /* r3 = t1 */ \ + paddh($20, $17, $16); /* r16 = t2 */ \ + psubh($20, $17, $23); /* r23 = b3 */ \ + paddh($19, $18, $20); /* r20 = b0 */ \ +\ + lq($24, COS_4_16, $2); /* r2 = cs4 */ \ +\ + paddh($3, $16, $21); /* r21 = t1+t2 */ \ + psubh($3, $16, $22); /* r22 = t1-t2 */ \ +\ + pmulth($21, $2, $21); /* r21 = cs4 * (t1+t2) 6420 */ \ + psraw($21, 15, $21); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $21, $21); /* r21 = b1 */ \ +\ + pmulth($22, $2, $22); /* r22 = cs4 * (t1-t2) 6420 */ \ + psraw($22, 15, $22); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $22, $22); /* r22 = b2 */ \ +\ + lq($24, TG_2_16, $2); /* r2 = tn2 */ \ +\ + pmulth($10, $2, $17); /* r17 = x2 * tn2 (6420) */ \ + psraw($17, 15, $17); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $17, $17); /* r17 = x3 * tn3 */ \ + psubh($17, $14, $17); /* r17 = tm26 */ \ +\ + pmulth($14, $2, $18); /* r18 = x6 * tn2 (6420) */ \ + psraw($18, 15, $18); \ + pmfhl_uw($3); /* r3 = 7531 */ \ + psraw($3, 15, $3); \ + pinteh($3, $18, $18); /* r18 = x6 * tn2 */ \ + paddh($18, $10, $18); /* r18 = tp26 */ \ +\ + paddh($8, $12, $2); /* r2 = tp04 */ \ + psubh($8, $12, $3); /* r3 = tm04 */ \ +\ + paddh($2, $18, $16); /* r16 = a0 */ \ + psubh($2, $18, $19); /* r19 = a3 */ \ + psubh($3, $17, $18); /* r18 = a2 */ \ + paddh($3, $17, $17); /* r17 = a1 */ + + +#define DCT_8_INV_COL8_STORE(blk) \ +\ + paddh($16, $20, $2); /* y0 a0+b0 */ \ + psubh($16, $20, $16); /* y7 a0-b0 */ \ + psrah($2, SHIFT_INV_COL, $2); \ + psrah($16, SHIFT_INV_COL, $16); \ + sq($2, 0, blk); \ + sq($16, 112, blk); \ +\ + paddh($17, $21, $3); /* y1 a1+b1 */ \ + psubh($17, $21, $17); /* y6 a1-b1 */ \ + psrah($3, SHIFT_INV_COL, $3); \ + psrah($17, SHIFT_INV_COL, $17); \ + sq($3, 16, blk); \ + sq($17, 96, blk); \ +\ + paddh($18, $22, $2); /* y2 a2+b2 */ \ + psubh($18, $22, $18); /* y5 a2-b2 */ \ + psrah($2, SHIFT_INV_COL, $2); \ + psrah($18, SHIFT_INV_COL, $18); \ + sq($2, 32, blk); \ + sq($18, 80, blk); \ +\ + paddh($19, $23, $3); /* y3 a3+b3 */ \ + psubh($19, $23, $19); /* y4 a3-b3 */ \ + psrah($3, SHIFT_INV_COL, $3); \ + psrah($19, SHIFT_INV_COL, $19); \ + sq($3, 48, blk); \ + sq($19, 64, blk); + + + +#define DCT_8_INV_COL8_PMS() \ + paddh($16, $20, $2); /* y0 a0+b0 */ \ + psubh($16, $20, $20); /* y7 a0-b0 */ \ + psrah($2, SHIFT_INV_COL, $16); \ + psrah($20, SHIFT_INV_COL, $20); \ +\ + paddh($17, $21, $3); /* y1 a1+b1 */ \ + psubh($17, $21, $21); /* y6 a1-b1 */ \ + psrah($3, SHIFT_INV_COL, $17); \ + psrah($21, SHIFT_INV_COL, $21); \ +\ + paddh($18, $22, $2); /* y2 a2+b2 */ \ + psubh($18, $22, $22); /* y5 a2-b2 */ \ + psrah($2, SHIFT_INV_COL, $18); \ + psrah($22, SHIFT_INV_COL, $22); \ +\ + paddh($19, $23, $3); /* y3 a3+b3 */ \ + psubh($19, $23, $23); /* y4 a3-b3 */ \ + psrah($3, SHIFT_INV_COL, $19); \ + psrah($23, SHIFT_INV_COL, $23); + +#define PUT(rs) \ + pminh(rs, $11, $2); \ + pmaxh($2, $0, $2); \ + ppacb($0, $2, $2); \ + sd3(2, 0, 4); \ + __asm__ volatile ("add $4, $5, $4"); + +#define DCT_8_INV_COL8_PUT() \ + PUT($16); \ + PUT($17); \ + PUT($18); \ + PUT($19); \ + PUT($23); \ + PUT($22); \ + PUT($21); \ + PUT($20); + +#define ADD(rs) \ + ld3(4, 0, 2); \ + pextlb($0, $2, $2); \ + paddh($2, rs, $2); \ + pminh($2, $11, $2); \ + pmaxh($2, $0, $2); \ + ppacb($0, $2, $2); \ + sd3(2, 0, 4); \ + __asm__ volatile ("add $4, $5, $4"); + +/*fixme: schedule*/ +#define DCT_8_INV_COL8_ADD() \ + ADD($16); \ + ADD($17); \ + ADD($18); \ + ADD($19); \ + ADD($23); \ + ADD($22); \ + ADD($21); \ + ADD($20); + + +void ff_mmi_idct(int16_t * block) +{ + /* $4 = block */ + __asm__ volatile("la $24, %0"::"m"(consttable[0])); + lq($24, ROUNDER_0, $8); + lq($24, ROUNDER_1, $7); + DCT_8_INV_ROW1($4, 0, TAB_i_04, $8, $8); + DCT_8_INV_ROW1($4, 16, TAB_i_17, $7, $9); + DCT_8_INV_ROW1($4, 32, TAB_i_26, $7, $10); + DCT_8_INV_ROW1($4, 48, TAB_i_35, $7, $11); + DCT_8_INV_ROW1($4, 64, TAB_i_04, $7, $12); + DCT_8_INV_ROW1($4, 80, TAB_i_35, $7, $13); + DCT_8_INV_ROW1($4, 96, TAB_i_26, $7, $14); + DCT_8_INV_ROW1($4, 112, TAB_i_17, $7, $15); + DCT_8_INV_COL8(); + DCT_8_INV_COL8_STORE($4); + + //let savedtemp regs be saved + __asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); +} + + +void ff_mmi_idct_put(uint8_t *dest, int line_size, DCTELEM *block) +{ + /* $4 = dest, $5 = line_size, $6 = block */ + __asm__ volatile("la $24, %0"::"m"(consttable[0])); + lq($24, ROUNDER_0, $8); + lq($24, ROUNDER_1, $7); + DCT_8_INV_ROW1($6, 0, TAB_i_04, $8, $8); + DCT_8_INV_ROW1($6, 16, TAB_i_17, $7, $9); + DCT_8_INV_ROW1($6, 32, TAB_i_26, $7, $10); + DCT_8_INV_ROW1($6, 48, TAB_i_35, $7, $11); + DCT_8_INV_ROW1($6, 64, TAB_i_04, $7, $12); + DCT_8_INV_ROW1($6, 80, TAB_i_35, $7, $13); + DCT_8_INV_ROW1($6, 96, TAB_i_26, $7, $14); + DCT_8_INV_ROW1($6, 112, TAB_i_17, $7, $15); + DCT_8_INV_COL8(); + lq($24, CLIPMAX, $11); + DCT_8_INV_COL8_PMS(); + DCT_8_INV_COL8_PUT(); + + //let savedtemp regs be saved + __asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); +} + + +void ff_mmi_idct_add(uint8_t *dest, int line_size, DCTELEM *block) +{ + /* $4 = dest, $5 = line_size, $6 = block */ + __asm__ volatile("la $24, %0"::"m"(consttable[0])); + lq($24, ROUNDER_0, $8); + lq($24, ROUNDER_1, $7); + DCT_8_INV_ROW1($6, 0, TAB_i_04, $8, $8); + DCT_8_INV_ROW1($6, 16, TAB_i_17, $7, $9); + DCT_8_INV_ROW1($6, 32, TAB_i_26, $7, $10); + DCT_8_INV_ROW1($6, 48, TAB_i_35, $7, $11); + DCT_8_INV_ROW1($6, 64, TAB_i_04, $7, $12); + DCT_8_INV_ROW1($6, 80, TAB_i_35, $7, $13); + DCT_8_INV_ROW1($6, 96, TAB_i_26, $7, $14); + DCT_8_INV_ROW1($6, 112, TAB_i_17, $7, $15); + DCT_8_INV_COL8(); + lq($24, CLIPMAX, $11); + DCT_8_INV_COL8_PMS(); + DCT_8_INV_COL8_ADD(); + + //let savedtemp regs be saved + __asm__ volatile(" ":::"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23"); +} diff --git a/libavcodec/mips/mmi.h b/libavcodec/mips/mmi.h new file mode 100644 index 0000000000..48f2778809 --- /dev/null +++ b/libavcodec/mips/mmi.h @@ -0,0 +1,179 @@ +/* + * copyright (c) 2002 Leon van Stuivenberg + * + * This file is part of Libav. + * + * Libav 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 2.1 of the License, or (at your option) any later version. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_MIPS_MMI_H +#define AVCODEC_MIPS_MMI_H + +#include <stdint.h> + +#include "libavcodec/dsputil.h" + +void ff_mmi_idct_put(uint8_t *dest, int line_size, DCTELEM *block); +void ff_mmi_idct_add(uint8_t *dest, int line_size, DCTELEM *block); +void ff_mmi_idct(DCTELEM *block); + +#define align16 __attribute__ ((aligned (16))) + +/* +#define r0 $zero +#define r1 $at //assembler! +#define r2 $v0 //return +#define r3 $v1 //return +#define r4 $a0 //arg +#define r5 $a1 //arg +#define r6 $a2 //arg +#define r7 $a3 //arg +#define r8 $t0 //temp +#define r9 $t1 //temp +#define r10 $t2 //temp +#define r11 $t3 //temp +#define r12 $t4 //temp +#define r13 $t5 //temp +#define r14 $t6 //temp +#define r15 $t7 //temp +#define r16 $s0 //saved temp +#define r17 $s1 //saved temp +#define r18 $s2 //saved temp +#define r19 $s3 //saved temp +#define r20 $s4 //saved temp +#define r21 $s5 //saved temp +#define r22 $s6 //saved temp +#define r23 $s7 //saved temp +#define r24 $t8 //temp +#define r25 $t9 //temp +#define r26 $k0 //kernel +#define r27 $k1 //kernel +#define r28 $gp //global ptr +#define r29 $sp //stack ptr +#define r30 $fp //frame ptr +#define r31 $ra //return addr +*/ + + +#define lq(base, off, reg) \ + __asm__ volatile ("lq " #reg ", %0("#base ")" : : "i" (off) ) + +#define lq2(mem, reg) \ + __asm__ volatile ("lq " #reg ", %0" : : "r" (mem)) + +#define sq(reg, off, base) \ + __asm__ volatile ("sq " #reg ", %0("#base ")" : : "i" (off) ) + +/* +#define ld(base, off, reg) \ + __asm__ volatile ("ld " #reg ", " #off "("#base ")") +*/ + +#define ld3(base, off, reg) \ + __asm__ volatile (".word %0" : : "i" ( 0xdc000000 | (base<<21) | (reg<<16) | (off))) + +#define ldr3(base, off, reg) \ + __asm__ volatile (".word %0" : : "i" ( 0x6c000000 | (base<<21) | (reg<<16) | (off))) + +#define ldl3(base, off, reg) \ + __asm__ volatile (".word %0" : : "i" ( 0x68000000 | (base<<21) | (reg<<16) | (off))) + +/* +#define sd(reg, off, base) \ + __asm__ volatile ("sd " #reg ", " #off "("#base ")") +*/ +//seems assembler has bug encoding mnemonic 'sd', so DIY +#define sd3(reg, off, base) \ + __asm__ volatile (".word %0" : : "i" ( 0xfc000000 | (base<<21) | (reg<<16) | (off))) + +#define sw(reg, off, base) \ + __asm__ volatile ("sw " #reg ", " #off "("#base ")") + +#define sq2(reg, mem) \ + __asm__ volatile ("sq " #reg ", %0" : : "m" (*(mem))) + +#define pinth(rs, rt, rd) \ + __asm__ volatile ("pinth " #rd ", " #rs ", " #rt ) + +#define phmadh(rs, rt, rd) \ + __asm__ volatile ("phmadh " #rd ", " #rs ", " #rt ) + +#define pcpyud(rs, rt, rd) \ + __asm__ volatile ("pcpyud " #rd ", " #rs ", " #rt ) + +#define pcpyld(rs, rt, rd) \ + __asm__ volatile ("pcpyld " #rd ", " #rs ", " #rt ) + +#define pcpyh(rt, rd) \ + __asm__ volatile ("pcpyh " #rd ", " #rt ) + +#define paddw(rs, rt, rd) \ + __asm__ volatile ("paddw " #rd ", " #rs ", " #rt ) + +#define pextlw(rs, rt, rd) \ + __asm__ volatile ("pextlw " #rd ", " #rs ", " #rt ) + +#define pextuw(rs, rt, rd) \ + __asm__ volatile ("pextuw " #rd ", " #rs ", " #rt ) + +#define pextlh(rs, rt, rd) \ + __asm__ volatile ("pextlh " #rd ", " #rs ", " #rt ) + +#define pextuh(rs, rt, rd) \ + __asm__ volatile ("pextuh " #rd ", " #rs ", " #rt ) + +#define psubw(rs, rt, rd) \ + __asm__ volatile ("psubw " #rd ", " #rs ", " #rt ) + +#define psraw(rt, sa, rd) \ + __asm__ volatile ("psraw " #rd ", " #rt ", %0" : : "i"(sa) ) + +#define ppach(rs, rt, rd) \ + __asm__ volatile ("ppach " #rd ", " #rs ", " #rt ) + +#define ppacb(rs, rt, rd) \ + __asm__ volatile ("ppacb " #rd ", " #rs ", " #rt ) + +#define prevh(rt, rd) \ + __asm__ volatile ("prevh " #rd ", " #rt ) + +#define pmulth(rs, rt, rd) \ + __asm__ volatile ("pmulth " #rd ", " #rs ", " #rt ) + +#define pmaxh(rs, rt, rd) \ + __asm__ volatile ("pmaxh " #rd ", " #rs ", " #rt ) + +#define pminh(rs, rt, rd) \ + __asm__ volatile ("pminh " #rd ", " #rs ", " #rt ) + +#define pinteh(rs, rt, rd) \ + __asm__ volatile ("pinteh " #rd ", " #rs ", " #rt ) + +#define paddh(rs, rt, rd) \ + __asm__ volatile ("paddh " #rd ", " #rs ", " #rt ) + +#define psubh(rs, rt, rd) \ + __asm__ volatile ("psubh " #rd ", " #rs ", " #rt ) + +#define psrah(rt, sa, rd) \ + __asm__ volatile ("psrah " #rd ", " #rt ", %0" : : "i"(sa) ) + +#define pmfhl_uw(rd) \ + __asm__ volatile ("pmfhl.uw " #rd) + +#define pextlb(rs, rt, rd) \ + __asm__ volatile ("pextlb " #rd ", " #rs ", " #rt ) + +#endif /* AVCODEC_MIPS_MMI_H */ diff --git a/libavcodec/mips/mpegvideo_mmi.c b/libavcodec/mips/mpegvideo_mmi.c new file mode 100644 index 0000000000..623e35af33 --- /dev/null +++ b/libavcodec/mips/mpegvideo_mmi.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2000,2001 Fabrice Bellard + * + * MMI optimization by Leon van Stuivenberg + * + * This file is part of Libav. + * + * Libav 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 2.1 of the License, or (at your option) any later version. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavcodec/avcodec.h" +#include "libavcodec/dsputil.h" +#include "libavcodec/mpegvideo.h" + +static void dct_unquantize_h263_mmi(MpegEncContext *s, + DCTELEM *block, int n, int qscale) +{ + int level=0, qmul, qadd; + int nCoeffs; + + assert(s->block_last_index[n]>=0); + + qadd = (qscale - 1) | 1; + qmul = qscale << 1; + + if (s->mb_intra) { + if (!s->h263_aic) { + if (n < 4) + level = block[0] * s->y_dc_scale; + else + level = block[0] * s->c_dc_scale; + }else { + qadd = 0; + level = block[0]; + } + nCoeffs= 63; //does not always use zigzag table + } else { + nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]; + } + + __asm__ volatile( + "add $14, $0, %3 \n\t" + "pcpyld $8, %0, %0 \n\t" + "pcpyh $8, $8 \n\t" //r8 = qmul + "pcpyld $9, %1, %1 \n\t" + "pcpyh $9, $9 \n\t" //r9 = qadd + ".p2align 2 \n\t" + "1: \n\t" + "lq $10, 0($14) \n\t" //r10 = level + "addi $14, $14, 16 \n\t" //block+=8 + "addi %2, %2, -8 \n\t" + "pcgth $11, $0, $10 \n\t" //r11 = level < 0 ? -1 : 0 + "pcgth $12, $10, $0 \n\t" //r12 = level > 0 ? -1 : 0 + "por $12, $11, $12 \n\t" + "pmulth $10, $10, $8 \n\t" + "paddh $13, $9, $11 \n\t" + "pxor $13, $13, $11 \n\t" //r13 = level < 0 ? -qadd : qadd + "pmfhl.uw $11 \n\t" + "pinteh $10, $11, $10 \n\t" //r10 = level * qmul + "paddh $10, $10, $13 \n\t" + "pand $10, $10, $12 \n\t" + "sq $10, -16($14) \n\t" + "bgez %2, 1b \n\t" + :: "r"(qmul), "r" (qadd), "r" (nCoeffs), "r" (block) : "$8", "$9", "$10", "$11", "$12", "$13", "$14", "memory" ); + + if(s->mb_intra) + block[0]= level; +} + + +void MPV_common_init_mmi(MpegEncContext *s) +{ + s->dct_unquantize_h263_intra = + s->dct_unquantize_h263_inter = dct_unquantize_h263_mmi; +} |