/*
* MMX optimized forward DCT
* The gcc porting is Copyright (c) 2001 Fabrice Bellard.
+ * cleanup/optimizations are Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ * SSE2 optimization is Copyright (c) 2004 Denes Balatoni.
*
* from fdctam32.c - AP922 MMX(3D-Now) forward-DCT
- *
+ *
* Intel Application Note AP-922 - fast, precise implementation of DCT
* http://developer.intel.com/vtune/cbts/appnotes.htm
+ *
+ * Also of inspiration:
+ * a page about fdct at http://www.geocities.com/ssavekar/dct.htm
+ * Skal's fdct at http://skal.planet-d.net/coding/dct.html
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "../common.h"
+
+#include "libavutil/common.h"
+#include "libavcodec/dsputil.h"
#include "mmx.h"
#define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align)))
//
//////////////////////////////////////////////////////////////////////
-#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy
-#define SHIFT_FRW_COL BITS_FRW_ACC
-#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3)
-//#define RND_FRW_ROW (262144 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_ROW-1)
-#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1))
-//#define RND_FRW_COL (2 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_COL-1)
-#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1))
+#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy
+#define SHIFT_FRW_COL BITS_FRW_ACC
+#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3)
+#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1))
+//#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1))
+
+#define X8(x) x,x,x,x,x,x,x,x
//concatenated table, for forward DCT transformation
-const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = {
- 13036, 13036, 13036, 13036, // tg * (2<<16) + 0.5
- 27146, 27146, 27146, 27146, // tg * (2<<16) + 0.5
- -21746, -21746, -21746, -21746, // tg * (2<<16) + 0.5
-};
-const int16_t cos_4_16[4] = {
- -19195, -19195, -19195, -19195, //cos * (2<<16) + 0.5
+static const int16_t fdct_tg_all_16[24] ATTR_ALIGN(16) = {
+ X8(13036), // tg * (2<<16) + 0.5
+ X8(27146), // tg * (2<<16) + 0.5
+ X8(-21746) // tg * (2<<16) + 0.5
};
-const int16_t ocos_4_16[4] = {
- 23170, 23170, 23170, 23170, //cos * (2<<15) + 0.5
+static const int16_t ocos_4_16[8] ATTR_ALIGN(16) = {
+ X8(23170) //cos * (2<<15) + 0.5
};
-const long long fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL;
-const long fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW };
-
-const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table
- //row0
- 16384, 16384, 21407, -8867, // w09 w01 w08 w00
- 16384, 16384, 8867, -21407, // w13 w05 w12 w04
- 16384, -16384, 8867, 21407, // w11 w03 w10 w02
- -16384, 16384, -21407, -8867, // w15 w07 w14 w06
- 22725, 12873, 19266, -22725, // w22 w20 w18 w16
- 19266, 4520, -4520, -12873, // w23 w21 w19 w17
- 12873, 4520, 4520, 19266, // w30 w28 w26 w24
- -22725, 19266, -12873, -22725, // w31 w29 w27 w25
-
- //row1
- 22725, 22725, 29692, -12299, // w09 w01 w08 w00
- 22725, 22725, 12299, -29692, // w13 w05 w12 w04
- 22725, -22725, 12299, 29692, // w11 w03 w10 w02
- -22725, 22725, -29692, -12299, // w15 w07 w14 w06
- 31521, 17855, 26722, -31521, // w22 w20 w18 w16
- 26722, 6270, -6270, -17855, // w23 w21 w19 w17
- 17855, 6270, 6270, 26722, // w30 w28 w26 w24
- -31521, 26722, -17855, -31521, // w31 w29 w27 w25
-
- //row2
- 21407, 21407, 27969, -11585, // w09 w01 w08 w00
- 21407, 21407, 11585, -27969, // w13 w05 w12 w04
- 21407, -21407, 11585, 27969, // w11 w03 w10 w02
- -21407, 21407, -27969, -11585, // w15 w07 w14 w06
- 29692, 16819, 25172, -29692, // w22 w20 w18 w16
- 25172, 5906, -5906, -16819, // w23 w21 w19 w17
- 16819, 5906, 5906, 25172, // w30 w28 w26 w24
- -29692, 25172, -16819, -29692, // w31 w29 w27 w25
-
- //row3
- 19266, 19266, 25172, -10426, // w09 w01 w08 w00
- 19266, 19266, 10426, -25172, // w13 w05 w12 w04
- 19266, -19266, 10426, 25172, // w11 w03 w10 w02
- -19266, 19266, -25172, -10426, // w15 w07 w14 w06,
- 26722, 15137, 22654, -26722, // w22 w20 w18 w16
- 22654, 5315, -5315, -15137, // w23 w21 w19 w17
- 15137, 5315, 5315, 22654, // w30 w28 w26 w24
- -26722, 22654, -15137, -26722, // w31 w29 w27 w25,
-
- //row4
- 16384, 16384, 21407, -8867, // w09 w01 w08 w00
- 16384, 16384, 8867, -21407, // w13 w05 w12 w04
- 16384, -16384, 8867, 21407, // w11 w03 w10 w02
- -16384, 16384, -21407, -8867, // w15 w07 w14 w06
- 22725, 12873, 19266, -22725, // w22 w20 w18 w16
- 19266, 4520, -4520, -12873, // w23 w21 w19 w17
- 12873, 4520, 4520, 19266, // w30 w28 w26 w24
- -22725, 19266, -12873, -22725, // w31 w29 w27 w25
-
- //row5
- 19266, 19266, 25172, -10426, // w09 w01 w08 w00
- 19266, 19266, 10426, -25172, // w13 w05 w12 w04
- 19266, -19266, 10426, 25172, // w11 w03 w10 w02
- -19266, 19266, -25172, -10426, // w15 w07 w14 w06
- 26722, 15137, 22654, -26722, // w22 w20 w18 w16
- 22654, 5315, -5315, -15137, // w23 w21 w19 w17
- 15137, 5315, 5315, 22654, // w30 w28 w26 w24
- -26722, 22654, -15137, -26722, // w31 w29 w27 w25
-
- //row6
- 21407, 21407, 27969, -11585, // w09 w01 w08 w00
- 21407, 21407, 11585, -27969, // w13 w05 w12 w04
- 21407, -21407, 11585, 27969, // w11 w03 w10 w02
- -21407, 21407, -27969, -11585, // w15 w07 w14 w06,
- 29692, 16819, 25172, -29692, // w22 w20 w18 w16
- 25172, 5906, -5906, -16819, // w23 w21 w19 w17
- 16819, 5906, 5906, 25172, // w30 w28 w26 w24
- -29692, 25172, -16819, -29692, // w31 w29 w27 w25,
-
- //row7
- 22725, 22725, 29692, -12299, // w09 w01 w08 w00
- 22725, 22725, 12299, -29692, // w13 w05 w12 w04
- 22725, -22725, 12299, 29692, // w11 w03 w10 w02
- -22725, 22725, -29692, -12299, // w15 w07 w14 w06,
- 31521, 17855, 26722, -31521, // w22 w20 w18 w16
- 26722, 6270, -6270, -17855, // w23 w21 w19 w17
- 17855, 6270, 6270, 26722, // w30 w28 w26 w24
- -31521, 26722, -17855, -31521 // w31 w29 w27 w25
+static const int16_t fdct_one_corr[8] ATTR_ALIGN(16) = { X8(1) };
+
+static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW };
+
+static struct
+{
+ const int32_t fdct_r_row_sse2[4] ATTR_ALIGN(16);
+} fdct_r_row_sse2 ATTR_ALIGN(16)=
+{{
+ RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW
+}};
+//static const long fdct_r_row_sse2[4] ATTR_ALIGN(16) = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW};
+
+static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table
+ 16384, 16384, 22725, 19266,
+ 16384, 16384, 12873, 4520,
+ 21407, 8867, 19266, -4520,
+ -8867, -21407, -22725, -12873,
+ 16384, -16384, 12873, -22725,
+ -16384, 16384, 4520, 19266,
+ 8867, -21407, 4520, -12873,
+ 21407, -8867, 19266, -22725,
+
+ 22725, 22725, 31521, 26722,
+ 22725, 22725, 17855, 6270,
+ 29692, 12299, 26722, -6270,
+ -12299, -29692, -31521, -17855,
+ 22725, -22725, 17855, -31521,
+ -22725, 22725, 6270, 26722,
+ 12299, -29692, 6270, -17855,
+ 29692, -12299, 26722, -31521,
+
+ 21407, 21407, 29692, 25172,
+ 21407, 21407, 16819, 5906,
+ 27969, 11585, 25172, -5906,
+ -11585, -27969, -29692, -16819,
+ 21407, -21407, 16819, -29692,
+ -21407, 21407, 5906, 25172,
+ 11585, -27969, 5906, -16819,
+ 27969, -11585, 25172, -29692,
+
+ 19266, 19266, 26722, 22654,
+ 19266, 19266, 15137, 5315,
+ 25172, 10426, 22654, -5315,
+ -10426, -25172, -26722, -15137,
+ 19266, -19266, 15137, -26722,
+ -19266, 19266, 5315, 22654,
+ 10426, -25172, 5315, -15137,
+ 25172, -10426, 22654, -26722,
+
+ 16384, 16384, 22725, 19266,
+ 16384, 16384, 12873, 4520,
+ 21407, 8867, 19266, -4520,
+ -8867, -21407, -22725, -12873,
+ 16384, -16384, 12873, -22725,
+ -16384, 16384, 4520, 19266,
+ 8867, -21407, 4520, -12873,
+ 21407, -8867, 19266, -22725,
+
+ 19266, 19266, 26722, 22654,
+ 19266, 19266, 15137, 5315,
+ 25172, 10426, 22654, -5315,
+ -10426, -25172, -26722, -15137,
+ 19266, -19266, 15137, -26722,
+ -19266, 19266, 5315, 22654,
+ 10426, -25172, 5315, -15137,
+ 25172, -10426, 22654, -26722,
+
+ 21407, 21407, 29692, 25172,
+ 21407, 21407, 16819, 5906,
+ 27969, 11585, 25172, -5906,
+ -11585, -27969, -29692, -16819,
+ 21407, -21407, 16819, -29692,
+ -21407, 21407, 5906, 25172,
+ 11585, -27969, 5906, -16819,
+ 27969, -11585, 25172, -29692,
+
+ 22725, 22725, 31521, 26722,
+ 22725, 22725, 17855, 6270,
+ 29692, 12299, 26722, -6270,
+ -12299, -29692, -31521, -17855,
+ 22725, -22725, 17855, -31521,
+ -22725, 22725, 6270, 26722,
+ 12299, -29692, 6270, -17855,
+ 29692, -12299, 26722, -31521,
};
+static struct
+{
+ const int16_t tab_frw_01234567_sse2[256] ATTR_ALIGN(16);
+} tab_frw_01234567_sse2 ATTR_ALIGN(16) =
+{{
+//static const int16_t tab_frw_01234567_sse2[] ATTR_ALIGN(16) = { // forward_dct coeff table
+#define TABLE_SSE2 C4, C4, C1, C3, -C6, -C2, -C1, -C5, \
+ C4, C4, C5, C7, C2, C6, C3, -C7, \
+ -C4, C4, C7, C3, C6, -C2, C7, -C5, \
+ C4, -C4, C5, -C1, C2, -C6, C3, -C1,
+// c1..c7 * cos(pi/4) * 2^15
+#define C1 22725
+#define C2 21407
+#define C3 19266
+#define C4 16384
+#define C5 12873
+#define C6 8867
+#define C7 4520
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 31521
+#define C2 29692
+#define C3 26722
+#define C4 22725
+#define C5 17855
+#define C6 12299
+#define C7 6270
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 29692
+#define C2 27969
+#define C3 25172
+#define C4 21407
+#define C5 16819
+#define C6 11585
+#define C7 5906
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 26722
+#define C2 25172
+#define C3 22654
+#define C4 19266
+#define C5 15137
+#define C6 10426
+#define C7 5315
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 22725
+#define C2 21407
+#define C3 19266
+#define C4 16384
+#define C5 12873
+#define C6 8867
+#define C7 4520
+TABLE_SSE2
-static inline void fdct_col(const int16_t *in, int16_t *out, int offset)
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 26722
+#define C2 25172
+#define C3 22654
+#define C4 19266
+#define C5 15137
+#define C6 10426
+#define C7 5315
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 29692
+#define C2 27969
+#define C3 25172
+#define C4 21407
+#define C5 16819
+#define C6 11585
+#define C7 5906
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 31521
+#define C2 29692
+#define C3 26722
+#define C4 22725
+#define C5 17855
+#define C6 12299
+#define C7 6270
+TABLE_SSE2
+}};
+
+#define FDCT_COL(cpu, mm, mov)\
+static av_always_inline void fdct_col_##cpu(const int16_t *in, int16_t *out, int offset)\
+{\
+ mov##_m2r(*(in + offset + 1 * 8), mm##0);\
+ mov##_m2r(*(in + offset + 6 * 8), mm##1);\
+ mov##_r2r(mm##0, mm##2);\
+ mov##_m2r(*(in + offset + 2 * 8), mm##3);\
+ paddsw_r2r(mm##1, mm##0);\
+ mov##_m2r(*(in + offset + 5 * 8), mm##4);\
+ psllw_i2r(SHIFT_FRW_COL, mm##0);\
+ mov##_m2r(*(in + offset + 0 * 8), mm##5);\
+ paddsw_r2r(mm##3, mm##4);\
+ paddsw_m2r(*(in + offset + 7 * 8), mm##5);\
+ psllw_i2r(SHIFT_FRW_COL, mm##4);\
+ mov##_r2r(mm##0, mm##6);\
+ psubsw_r2r(mm##1, mm##2);\
+ mov##_m2r(*(fdct_tg_all_16 + 8), mm##1);\
+ psubsw_r2r(mm##4, mm##0);\
+ mov##_m2r(*(in + offset + 3 * 8), mm##7);\
+ pmulhw_r2r(mm##0, mm##1);\
+ paddsw_m2r(*(in + offset + 4 * 8), mm##7);\
+ psllw_i2r(SHIFT_FRW_COL, mm##5);\
+ paddsw_r2r(mm##4, mm##6);\
+ psllw_i2r(SHIFT_FRW_COL, mm##7);\
+ mov##_r2r(mm##5, mm##4);\
+ psubsw_r2r(mm##7, mm##5);\
+ paddsw_r2r(mm##5, mm##1);\
+ paddsw_r2r(mm##7, mm##4);\
+ por_m2r(*fdct_one_corr, mm##1);\
+ psllw_i2r(SHIFT_FRW_COL + 1, mm##2);\
+ pmulhw_m2r(*(fdct_tg_all_16 + 8), mm##5);\
+ mov##_r2r(mm##4, mm##7);\
+ psubsw_m2r(*(in + offset + 5 * 8), mm##3);\
+ psubsw_r2r(mm##6, mm##4);\
+ mov##_r2m(mm##1, *(out + offset + 2 * 8));\
+ paddsw_r2r(mm##6, mm##7);\
+ mov##_m2r(*(in + offset + 3 * 8), mm##1);\
+ psllw_i2r(SHIFT_FRW_COL + 1, mm##3);\
+ psubsw_m2r(*(in + offset + 4 * 8), mm##1);\
+ mov##_r2r(mm##2, mm##6);\
+ mov##_r2m(mm##4, *(out + offset + 4 * 8));\
+ paddsw_r2r(mm##3, mm##2);\
+ pmulhw_m2r(*ocos_4_16, mm##2);\
+ psubsw_r2r(mm##3, mm##6);\
+ pmulhw_m2r(*ocos_4_16, mm##6);\
+ psubsw_r2r(mm##0, mm##5);\
+ por_m2r(*fdct_one_corr, mm##5);\
+ psllw_i2r(SHIFT_FRW_COL, mm##1);\
+ por_m2r(*fdct_one_corr, mm##2);\
+ mov##_r2r(mm##1, mm##4);\
+ mov##_m2r(*(in + offset + 0 * 8), mm##3);\
+ paddsw_r2r(mm##6, mm##1);\
+ psubsw_m2r(*(in + offset + 7 * 8), mm##3);\
+ psubsw_r2r(mm##6, mm##4);\
+ mov##_m2r(*(fdct_tg_all_16 + 0), mm##0);\
+ psllw_i2r(SHIFT_FRW_COL, mm##3);\
+ mov##_m2r(*(fdct_tg_all_16 + 16), mm##6);\
+ pmulhw_r2r(mm##1, mm##0);\
+ mov##_r2m(mm##7, *(out + offset + 0 * 8));\
+ pmulhw_r2r(mm##4, mm##6);\
+ mov##_r2m(mm##5, *(out + offset + 6 * 8));\
+ mov##_r2r(mm##3, mm##7);\
+ mov##_m2r(*(fdct_tg_all_16 + 16), mm##5);\
+ psubsw_r2r(mm##2, mm##7);\
+ paddsw_r2r(mm##2, mm##3);\
+ pmulhw_r2r(mm##7, mm##5);\
+ paddsw_r2r(mm##3, mm##0);\
+ paddsw_r2r(mm##4, mm##6);\
+ pmulhw_m2r(*(fdct_tg_all_16 + 0), mm##3);\
+ por_m2r(*fdct_one_corr, mm##0);\
+ paddsw_r2r(mm##7, mm##5);\
+ psubsw_r2r(mm##6, mm##7);\
+ mov##_r2m(mm##0, *(out + offset + 1 * 8));\
+ paddsw_r2r(mm##4, mm##5);\
+ mov##_r2m(mm##7, *(out + offset + 3 * 8));\
+ psubsw_r2r(mm##1, mm##3);\
+ mov##_r2m(mm##5, *(out + offset + 5 * 8));\
+ mov##_r2m(mm##3, *(out + offset + 7 * 8));\
+}
+
+FDCT_COL(mmx, mm, movq)
+FDCT_COL(sse2, xmm, movdqa)
+
+static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out)
{
- movq_m2r(*(in + offset + 1 * 8), mm0);
- movq_m2r(*(in + offset + 6 * 8), mm1);
- movq_r2r(mm0, mm2);
- movq_m2r(*(in + offset + 2 * 8), mm3);
- paddsw_r2r(mm1, mm0);
- movq_m2r(*(in + offset + 5 * 8), mm4);
- psllw_i2r(SHIFT_FRW_COL, mm0);
- movq_m2r(*(in + offset + 0 * 8), mm5);
- paddsw_r2r(mm3, mm4);
- paddsw_m2r(*(in + offset + 7 * 8), mm5);
- psllw_i2r(SHIFT_FRW_COL, mm4);
- movq_r2r(mm0, mm6);
- psubsw_r2r(mm1, mm2);
- movq_m2r(*(fdct_tg_all_16 + 4), mm1);
- psubsw_r2r(mm4, mm0);
- movq_m2r(*(in + offset + 3 * 8), mm7);
- pmulhw_r2r(mm0, mm1);
- paddsw_m2r(*(in + offset + 4 * 8), mm7);
- psllw_i2r(SHIFT_FRW_COL, mm5);
- paddsw_r2r(mm4, mm6);
- psllw_i2r(SHIFT_FRW_COL, mm7);
- movq_r2r(mm5, mm4);
- psubsw_r2r(mm7, mm5);
- paddsw_r2r(mm5, mm1);
- paddsw_r2r(mm7, mm4);
- por_m2r(fdct_one_corr, mm1);
- psllw_i2r(SHIFT_FRW_COL + 1, mm2);
- pmulhw_m2r(*(fdct_tg_all_16 + 4), mm5);
- movq_r2r(mm4, mm7);
- psubsw_m2r(*(in + offset + 5 * 8), mm3);
- psubsw_r2r(mm6, mm4);
- movq_r2m(mm1, *(out + offset + 2 * 8));
- paddsw_r2r(mm6, mm7);
- movq_m2r(*(in + offset + 3 * 8), mm1);
- psllw_i2r(SHIFT_FRW_COL + 1, mm3);
- psubsw_m2r(*(in + offset + 4 * 8), mm1);
- movq_r2r(mm2, mm6);
- movq_r2m(mm4, *(out + offset + 4 * 8));
- paddsw_r2r(mm3, mm2);
- pmulhw_m2r(*ocos_4_16, mm2);
- psubsw_r2r(mm3, mm6);
- pmulhw_m2r(*ocos_4_16, mm6);
- psubsw_r2r(mm0, mm5);
- por_m2r(fdct_one_corr, mm5);
- psllw_i2r(SHIFT_FRW_COL, mm1);
- por_m2r(fdct_one_corr, mm2);
- movq_r2r(mm1, mm4);
- movq_m2r(*(in + offset + 0 * 8), mm3);
- paddsw_r2r(mm6, mm1);
- psubsw_m2r(*(in + offset + 7 * 8), mm3);
- psubsw_r2r(mm6, mm4);
- movq_m2r(*(fdct_tg_all_16 + 0), mm0);
- psllw_i2r(SHIFT_FRW_COL, mm3);
- movq_m2r(*(fdct_tg_all_16 + 8), mm6);
- pmulhw_r2r(mm1, mm0);
- movq_r2m(mm7, *(out + offset + 0 * 8));
- pmulhw_r2r(mm4, mm6);
- movq_r2m(mm5, *(out + offset + 6 * 8));
- movq_r2r(mm3, mm7);
- movq_m2r(*(fdct_tg_all_16 + 8), mm5);
- psubsw_r2r(mm2, mm7);
- paddsw_r2r(mm2, mm3);
- pmulhw_r2r(mm7, mm5);
- paddsw_r2r(mm3, mm0);
- paddsw_r2r(mm4, mm6);
- pmulhw_m2r(*(fdct_tg_all_16 + 0), mm3);
- por_m2r(fdct_one_corr, mm0);
- paddsw_r2r(mm7, mm5);
- psubsw_r2r(mm6, mm7);
- movq_r2m(mm0, *(out + offset + 1 * 8));
- paddsw_r2r(mm4, mm5);
- movq_r2m(mm7, *(out + offset + 3 * 8));
- psubsw_r2r(mm1, mm3);
- movq_r2m(mm5, *(out + offset + 5 * 8));
- movq_r2m(mm3, *(out + offset + 7 * 8));
+ asm volatile(
+#define FDCT_ROW_SSE2_H1(i,t) \
+ "movq " #i "(%0), %%xmm2 \n\t" \
+ "movq " #i "+8(%0), %%xmm0 \n\t" \
+ "movdqa " #t "+32(%1), %%xmm3 \n\t" \
+ "movdqa " #t "+48(%1), %%xmm7 \n\t" \
+ "movdqa " #t "(%1), %%xmm4 \n\t" \
+ "movdqa " #t "+16(%1), %%xmm5 \n\t"
+
+#define FDCT_ROW_SSE2_H2(i,t) \
+ "movq " #i "(%0), %%xmm2 \n\t" \
+ "movq " #i "+8(%0), %%xmm0 \n\t" \
+ "movdqa " #t "+32(%1), %%xmm3 \n\t" \
+ "movdqa " #t "+48(%1), %%xmm7 \n\t"
+
+#define FDCT_ROW_SSE2(i) \
+ "movq %%xmm2, %%xmm1 \n\t" \
+ "pshuflw $27, %%xmm0, %%xmm0 \n\t" \
+ "paddsw %%xmm0, %%xmm1 \n\t" \
+ "psubsw %%xmm0, %%xmm2 \n\t" \
+ "punpckldq %%xmm2, %%xmm1 \n\t" \
+ "pshufd $78, %%xmm1, %%xmm2 \n\t" \
+ "pmaddwd %%xmm2, %%xmm3 \n\t" \
+ "pmaddwd %%xmm1, %%xmm7 \n\t" \
+ "pmaddwd %%xmm5, %%xmm2 \n\t" \
+ "pmaddwd %%xmm4, %%xmm1 \n\t" \
+ "paddd %%xmm7, %%xmm3 \n\t" \
+ "paddd %%xmm2, %%xmm1 \n\t" \
+ "paddd %%xmm6, %%xmm3 \n\t" \
+ "paddd %%xmm6, %%xmm1 \n\t" \
+ "psrad %3, %%xmm3 \n\t" \
+ "psrad %3, %%xmm1 \n\t" \
+ "packssdw %%xmm3, %%xmm1 \n\t" \
+ "movdqa %%xmm1, " #i "(%4) \n\t"
+
+ "movdqa (%2), %%xmm6 \n\t"
+ FDCT_ROW_SSE2_H1(0,0)
+ FDCT_ROW_SSE2(0)
+ FDCT_ROW_SSE2_H2(64,0)
+ FDCT_ROW_SSE2(64)
+
+ FDCT_ROW_SSE2_H1(16,64)
+ FDCT_ROW_SSE2(16)
+ FDCT_ROW_SSE2_H2(112,64)
+ FDCT_ROW_SSE2(112)
+
+ FDCT_ROW_SSE2_H1(32,128)
+ FDCT_ROW_SSE2(32)
+ FDCT_ROW_SSE2_H2(96,128)
+ FDCT_ROW_SSE2(96)
+
+ FDCT_ROW_SSE2_H1(48,192)
+ FDCT_ROW_SSE2(48)
+ FDCT_ROW_SSE2_H2(80,192)
+ FDCT_ROW_SSE2(80)
+ :
+ : "r" (in), "r" (tab_frw_01234567_sse2.tab_frw_01234567_sse2), "r" (fdct_r_row_sse2.fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out)
+ );
}
-static inline void fdct_row(const int16_t *in, int16_t *out, const int16_t *table)
+static av_always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const int16_t *table)
{
- movd_m2r(*(in + 6), mm5);
- punpcklwd_m2r(*(in + 4), mm5);
- movq_r2r(mm5, mm2);
- psrlq_i2r(0x20, mm5);
+ pshufw_m2r(*(in + 4), mm5, 0x1B);
movq_m2r(*(in + 0), mm0);
- punpcklwd_r2r(mm2, mm5);
movq_r2r(mm0, mm1);
paddsw_r2r(mm5, mm0);
psubsw_r2r(mm5, mm1);
movq_r2r(mm0, mm2);
- punpcklwd_r2r(mm1, mm0);
- punpckhwd_r2r(mm1, mm2);
- movq_r2r(mm2, mm1);
- movq_r2r(mm0, mm2);
- movq_m2r(*(table + 0), mm3);
- punpcklwd_r2r(mm1, mm0);
+ punpckldq_r2r(mm1, mm0);
+ punpckhdq_r2r(mm1, mm2);
+ movq_m2r(*(table + 0), mm1);
+ movq_m2r(*(table + 4), mm3);
+ movq_m2r(*(table + 8), mm4);
+ movq_m2r(*(table + 12), mm5);
+ movq_m2r(*(table + 16), mm6);
+ movq_m2r(*(table + 20), mm7);
+ pmaddwd_r2r(mm0, mm1);
+ pmaddwd_r2r(mm2, mm3);
+ pmaddwd_r2r(mm0, mm4);
+ pmaddwd_r2r(mm2, mm5);
+ pmaddwd_r2r(mm0, mm6);
+ pmaddwd_r2r(mm2, mm7);
+ pmaddwd_m2r(*(table + 24), mm0);
+ pmaddwd_m2r(*(table + 28), mm2);
+ paddd_r2r(mm1, mm3);
+ paddd_r2r(mm4, mm5);
+ paddd_r2r(mm6, mm7);
+ paddd_r2r(mm0, mm2);
+ movq_m2r(*fdct_r_row, mm0);
+ paddd_r2r(mm0, mm3);
+ paddd_r2r(mm0, mm5);
+ paddd_r2r(mm0, mm7);
+ paddd_r2r(mm0, mm2);
+ psrad_i2r(SHIFT_FRW_ROW, mm3);
+ psrad_i2r(SHIFT_FRW_ROW, mm5);
+ psrad_i2r(SHIFT_FRW_ROW, mm7);
+ psrad_i2r(SHIFT_FRW_ROW, mm2);
+ packssdw_r2r(mm5, mm3);
+ packssdw_r2r(mm2, mm7);
+ movq_r2m(mm3, *(out + 0));
+ movq_r2m(mm7, *(out + 4));
+}
+
+static av_always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table)
+{
+//FIXME reorder (I do not have an old MMX-only CPU here to benchmark ...)
+ movd_m2r(*(in + 6), mm1);
+ punpcklwd_m2r(*(in + 4), mm1);
+ movq_r2r(mm1, mm2);
+ psrlq_i2r(0x20, mm1);
+ movq_m2r(*(in + 0), mm0);
+ punpcklwd_r2r(mm2, mm1);
movq_r2r(mm0, mm5);
- punpckldq_r2r(mm0, mm0);
- movq_m2r(*(table + 4), mm4);
- punpckhwd_r2r(mm1, mm2);
- pmaddwd_r2r(mm0, mm3);
- movq_r2r(mm2, mm6);
- movq_m2r(*(table + 16), mm1);
- punpckldq_r2r(mm2, mm2);
- pmaddwd_r2r(mm2, mm4);
- punpckhdq_r2r(mm5, mm5);
- pmaddwd_m2r(*(table + 8), mm0);
- punpckhdq_r2r(mm6, mm6);
+ paddsw_r2r(mm1, mm0);
+ psubsw_r2r(mm1, mm5);
+ movq_r2r(mm0, mm2);
+ punpckldq_r2r(mm5, mm0);
+ punpckhdq_r2r(mm5, mm2);
+ movq_m2r(*(table + 0), mm1);
+ movq_m2r(*(table + 4), mm3);
+ movq_m2r(*(table + 8), mm4);
+ movq_m2r(*(table + 12), mm5);
+ movq_m2r(*(table + 16), mm6);
movq_m2r(*(table + 20), mm7);
- pmaddwd_r2r(mm5, mm1);
- paddd_m2r(*fdct_r_row, mm3);
- pmaddwd_r2r(mm6, mm7);
- pmaddwd_m2r(*(table + 12), mm2);
- paddd_r2r(mm4, mm3);
- pmaddwd_m2r(*(table + 24), mm5);
- pmaddwd_m2r(*(table + 28), mm6);
- paddd_r2r(mm7, mm1);
- paddd_m2r(*fdct_r_row, mm0);
+ pmaddwd_r2r(mm0, mm1);
+ pmaddwd_r2r(mm2, mm3);
+ pmaddwd_r2r(mm0, mm4);
+ pmaddwd_r2r(mm2, mm5);
+ pmaddwd_r2r(mm0, mm6);
+ pmaddwd_r2r(mm2, mm7);
+ pmaddwd_m2r(*(table + 24), mm0);
+ pmaddwd_m2r(*(table + 28), mm2);
+ paddd_r2r(mm1, mm3);
+ paddd_r2r(mm4, mm5);
+ paddd_r2r(mm6, mm7);
+ paddd_r2r(mm0, mm2);
+ movq_m2r(*fdct_r_row, mm0);
+ paddd_r2r(mm0, mm3);
+ paddd_r2r(mm0, mm5);
+ paddd_r2r(mm0, mm7);
+ paddd_r2r(mm0, mm2);
psrad_i2r(SHIFT_FRW_ROW, mm3);
- paddd_m2r(*fdct_r_row, mm1);
- paddd_r2r(mm2, mm0);
- paddd_m2r(*fdct_r_row, mm5);
- psrad_i2r(SHIFT_FRW_ROW, mm1);
- paddd_r2r(mm6, mm5);
- psrad_i2r(SHIFT_FRW_ROW, mm0);
psrad_i2r(SHIFT_FRW_ROW, mm5);
- packssdw_r2r(mm0, mm3);
- packssdw_r2r(mm5, mm1);
- movq_r2r(mm3, mm6);
- punpcklwd_r2r(mm1, mm3);
- punpckhwd_r2r(mm1, mm6);
+ psrad_i2r(SHIFT_FRW_ROW, mm7);
+ psrad_i2r(SHIFT_FRW_ROW, mm2);
+ packssdw_r2r(mm5, mm3);
+ packssdw_r2r(mm2, mm7);
movq_r2m(mm3, *(out + 0));
- movq_r2m(mm6, *(out + 4));
+ movq_r2m(mm7, *(out + 4));
+}
+
+void ff_fdct_mmx(int16_t *block)
+{
+ int64_t align_tmp[16] ATTR_ALIGN(8);
+ int16_t * block1= (int16_t*)align_tmp;
+ const int16_t *table= tab_frw_01234567;
+ int i;
+
+ fdct_col_mmx(block, block1, 0);
+ fdct_col_mmx(block, block1, 4);
+
+ for(i=8;i>0;i--) {
+ fdct_row_mmx(block1, block, table);
+ block1 += 8;
+ table += 32;
+ block += 8;
+ }
}
-void fdct_mmx(int16_t *block)
+void ff_fdct_mmx2(int16_t *block)
{
- /* XXX: not thread safe */
- static int16_t block_tmp[64] ATTR_ALIGN(8);
- int16_t *block1, *out;
- const int16_t *table;
+ int64_t align_tmp[16] ATTR_ALIGN(8);
+ int16_t *block1= (int16_t*)align_tmp;
+ const int16_t *table= tab_frw_01234567;
int i;
- block1 = block_tmp;
- fdct_col(block, block1, 0);
- fdct_col(block, block1, 4);
+ fdct_col_mmx(block, block1, 0);
+ fdct_col_mmx(block, block1, 4);
- block1 = block_tmp;
- table = tab_frw_01234567;
- out = block;
for(i=8;i>0;i--) {
- fdct_row(block1, out, table);
+ fdct_row_mmx2(block1, block, table);
block1 += 8;
table += 32;
- out += 8;
+ block += 8;
}
}
+
+void ff_fdct_sse2(int16_t *block)
+{
+ int64_t align_tmp[16] ATTR_ALIGN(16);
+ int16_t * const block1= (int16_t*)align_tmp;
+
+ fdct_col_sse2(block, block1, 0);
+ fdct_row_sse2(block1, block);
+}
+
projects / ffmpeg / blobdiff