diff options
Diffstat (limited to 'libavcodec/x86/xvididct_sse2.c')
-rw-r--r-- | libavcodec/x86/xvididct_sse2.c | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/libavcodec/x86/xvididct_sse2.c b/libavcodec/x86/xvididct_sse2.c deleted file mode 100644 index d4f0169..0000000 --- a/libavcodec/x86/xvididct_sse2.c +++ /dev/null @@ -1,405 +0,0 @@ -/* - * XVID MPEG-4 VIDEO CODEC - * - SSE2 inverse discrete cosine transform - - * - * Copyright(C) 2003 Pascal Massimino <skal@planet-d.net> - * - * Conversion to gcc syntax with modifications - * by Alexander Strange <astrange@ithinksw.com> - * - * Originally from dct/x86_asm/fdct_sse2_skal.asm in Xvid. - * - * This file is part of Libav. - * - * Vertical pass is an implementation of the scheme: - * Loeffler C., Ligtenberg A., and Moschytz C.S.: - * Practical Fast 1D DCT Algorithm with Eleven Multiplications, - * Proc. ICASSP 1989, 988-991. - * - * Horizontal pass is a double 4x4 vector/matrix multiplication, - * (see also Intel's Application Note 922: - * http://developer.intel.com/vtune/cbts/strmsimd/922down.htm - * Copyright (C) 1999 Intel Corporation) - * - * More details at http://skal.planet-d.net/coding/dct.html - * - * 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/internal.h" -#include "libavutil/mem.h" -#include "libavutil/x86/asm.h" - -#include "idctdsp.h" -#include "xvididct.h" - -#if HAVE_SSE2_INLINE - -/** - * @file - * @brief SSE2 IDCT compatible with the Xvid IDCT - */ - -#define X8(x) x, x, x, x, x, x, x, x - -DECLARE_ASM_CONST(16, int16_t, tan1)[] = { X8(13036) }; // tan( pi/16) -DECLARE_ASM_CONST(16, int16_t, tan2)[] = { X8(27146) }; // tan(2pi/16) = sqrt(2)-1 -DECLARE_ASM_CONST(16, int16_t, tan3)[] = { X8(43790) }; // tan(3pi/16)-1 -DECLARE_ASM_CONST(16, int16_t, sqrt2)[] = { X8(23170) }; // 0.5/sqrt(2) -DECLARE_ASM_CONST(8, uint8_t, m127)[] = { X8(127) }; - -DECLARE_ASM_CONST(16, int16_t, iTab1)[] = { - 0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d, - 0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61, - 0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7, - 0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b -}; - -DECLARE_ASM_CONST(16, int16_t, iTab2)[] = { - 0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5, - 0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04, - 0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41, - 0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df -}; - -DECLARE_ASM_CONST(16, int16_t, iTab3)[] = { - 0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf, - 0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf, - 0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d, - 0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04 -}; - -DECLARE_ASM_CONST(16, int16_t, iTab4)[] = { - 0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746, - 0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac, - 0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df, - 0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e -}; - -DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = { - 65536, 65536, 65536, 65536, - 3597, 3597, 3597, 3597, - 2260, 2260, 2260, 2260, - 1203, 1203, 1203, 1203, - 120, 120, 120, 120, - 512, 512, 512, 512 -}; - -// Temporary storage before the column pass -#define ROW1 "%%xmm6" -#define ROW3 "%%xmm4" -#define ROW5 "%%xmm5" -#define ROW7 "%%xmm7" - -#define CLEAR_ODD(r) "pxor "r","r" \n\t" -#define PUT_ODD(dst) "pshufhw $0x1B, %%xmm2, "dst" \n\t" - -#if ARCH_X86_64 - -# define ROW0 "%%xmm8" -# define REG0 ROW0 -# define ROW2 "%%xmm9" -# define REG2 ROW2 -# define ROW4 "%%xmm10" -# define REG4 ROW4 -# define ROW6 "%%xmm11" -# define REG6 ROW6 -# define CLEAR_EVEN(r) CLEAR_ODD(r) -# define PUT_EVEN(dst) PUT_ODD(dst) -# define XMMS "%%xmm12" -# define MOV_32_ONLY "#" -# define SREG2 REG2 -# define TAN3 "%%xmm13" -# define TAN1 "%%xmm14" - -#else - -# define ROW0 "(%0)" -# define REG0 "%%xmm4" -# define ROW2 "2*16(%0)" -# define REG2 "%%xmm4" -# define ROW4 "4*16(%0)" -# define REG4 "%%xmm6" -# define ROW6 "6*16(%0)" -# define REG6 "%%xmm6" -# define CLEAR_EVEN(r) -# define PUT_EVEN(dst) \ - "pshufhw $0x1B, %%xmm2, %%xmm2 \n\t" \ - "movdqa %%xmm2, "dst" \n\t" -# define XMMS "%%xmm2" -# define MOV_32_ONLY "movdqa " -# define SREG2 "%%xmm7" -# define TAN3 "%%xmm0" -# define TAN1 "%%xmm2" - -#endif - -#define ROUND(x) "paddd "MANGLE(x) - -#define JZ(reg, to) \ - "testl "reg","reg" \n\t" \ - "jz "to" \n\t" - -#define JNZ(reg, to) \ - "testl "reg","reg" \n\t" \ - "jnz "to" \n\t" - -#define TEST_ONE_ROW(src, reg, clear) \ - clear \ - "movq "src", %%mm1 \n\t" \ - "por 8+"src", %%mm1 \n\t" \ - "paddusb %%mm0, %%mm1 \n\t" \ - "pmovmskb %%mm1, "reg" \n\t" - -#define TEST_TWO_ROWS(row1, row2, reg1, reg2, clear1, clear2) \ - clear1 \ - clear2 \ - "movq "row1", %%mm1 \n\t" \ - "por 8+"row1", %%mm1 \n\t" \ - "movq "row2", %%mm2 \n\t" \ - "por 8+"row2", %%mm2 \n\t" \ - "paddusb %%mm0, %%mm1 \n\t" \ - "paddusb %%mm0, %%mm2 \n\t" \ - "pmovmskb %%mm1, "reg1" \n\t" \ - "pmovmskb %%mm2, "reg2" \n\t" - -/// IDCT pass on rows. -#define iMTX_MULT(src, table, rounder, put) \ - "movdqa "src", %%xmm3 \n\t" \ - "movdqa %%xmm3, %%xmm0 \n\t" \ - "pshufd $0x11, %%xmm3, %%xmm1 \n\t" /* 4602 */ \ - "punpcklqdq %%xmm0, %%xmm0 \n\t" /* 0246 */ \ - "pmaddwd "table", %%xmm0 \n\t" \ - "pmaddwd 16+"table", %%xmm1 \n\t" \ - "pshufd $0xBB, %%xmm3, %%xmm2 \n\t" /* 5713 */ \ - "punpckhqdq %%xmm3, %%xmm3 \n\t" /* 1357 */ \ - "pmaddwd 32+"table", %%xmm2 \n\t" \ - "pmaddwd 48+"table", %%xmm3 \n\t" \ - "paddd %%xmm1, %%xmm0 \n\t" \ - "paddd %%xmm3, %%xmm2 \n\t" \ - rounder", %%xmm0 \n\t" \ - "movdqa %%xmm2, %%xmm3 \n\t" \ - "paddd %%xmm0, %%xmm2 \n\t" \ - "psubd %%xmm3, %%xmm0 \n\t" \ - "psrad $11, %%xmm2 \n\t" \ - "psrad $11, %%xmm0 \n\t" \ - "packssdw %%xmm0, %%xmm2 \n\t" \ - put \ - "1: \n\t" - -#define iLLM_HEAD \ - "movdqa "MANGLE(tan3)", "TAN3" \n\t" \ - "movdqa "MANGLE(tan1)", "TAN1" \n\t" \ - -/// IDCT pass on columns. -#define iLLM_PASS(dct) \ - "movdqa "TAN3", %%xmm1 \n\t" \ - "movdqa "TAN1", %%xmm3 \n\t" \ - "pmulhw %%xmm4, "TAN3" \n\t" \ - "pmulhw %%xmm5, %%xmm1 \n\t" \ - "paddsw %%xmm4, "TAN3" \n\t" \ - "paddsw %%xmm5, %%xmm1 \n\t" \ - "psubsw %%xmm5, "TAN3" \n\t" \ - "paddsw %%xmm4, %%xmm1 \n\t" \ - "pmulhw %%xmm7, %%xmm3 \n\t" \ - "pmulhw %%xmm6, "TAN1" \n\t" \ - "paddsw %%xmm6, %%xmm3 \n\t" \ - "psubsw %%xmm7, "TAN1" \n\t" \ - "movdqa %%xmm3, %%xmm7 \n\t" \ - "movdqa "TAN1", %%xmm6 \n\t" \ - "psubsw %%xmm1, %%xmm3 \n\t" \ - "psubsw "TAN3", "TAN1" \n\t" \ - "paddsw %%xmm7, %%xmm1 \n\t" \ - "paddsw %%xmm6, "TAN3" \n\t" \ - "movdqa %%xmm3, %%xmm6 \n\t" \ - "psubsw "TAN3", %%xmm3 \n\t" \ - "paddsw %%xmm6, "TAN3" \n\t" \ - "movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \ - "pmulhw %%xmm4, %%xmm3 \n\t" \ - "pmulhw %%xmm4, "TAN3" \n\t" \ - "paddsw "TAN3", "TAN3" \n\t" \ - "paddsw %%xmm3, %%xmm3 \n\t" \ - "movdqa "MANGLE(tan2)", %%xmm7 \n\t" \ - MOV_32_ONLY ROW2", "REG2" \n\t" \ - MOV_32_ONLY ROW6", "REG6" \n\t" \ - "movdqa %%xmm7, %%xmm5 \n\t" \ - "pmulhw "REG6", %%xmm7 \n\t" \ - "pmulhw "REG2", %%xmm5 \n\t" \ - "paddsw "REG2", %%xmm7 \n\t" \ - "psubsw "REG6", %%xmm5 \n\t" \ - MOV_32_ONLY ROW0", "REG0" \n\t" \ - MOV_32_ONLY ROW4", "REG4" \n\t" \ - MOV_32_ONLY" "TAN1", (%0) \n\t" \ - "movdqa "REG0", "XMMS" \n\t" \ - "psubsw "REG4", "REG0" \n\t" \ - "paddsw "XMMS", "REG4" \n\t" \ - "movdqa "REG4", "XMMS" \n\t" \ - "psubsw %%xmm7, "REG4" \n\t" \ - "paddsw "XMMS", %%xmm7 \n\t" \ - "movdqa "REG0", "XMMS" \n\t" \ - "psubsw %%xmm5, "REG0" \n\t" \ - "paddsw "XMMS", %%xmm5 \n\t" \ - "movdqa %%xmm5, "XMMS" \n\t" \ - "psubsw "TAN3", %%xmm5 \n\t" \ - "paddsw "XMMS", "TAN3" \n\t" \ - "movdqa "REG0", "XMMS" \n\t" \ - "psubsw %%xmm3, "REG0" \n\t" \ - "paddsw "XMMS", %%xmm3 \n\t" \ - MOV_32_ONLY" (%0), "TAN1" \n\t" \ - "psraw $6, %%xmm5 \n\t" \ - "psraw $6, "REG0" \n\t" \ - "psraw $6, "TAN3" \n\t" \ - "psraw $6, %%xmm3 \n\t" \ - "movdqa "TAN3", 1*16("dct") \n\t" \ - "movdqa %%xmm3, 2*16("dct") \n\t" \ - "movdqa "REG0", 5*16("dct") \n\t" \ - "movdqa %%xmm5, 6*16("dct") \n\t" \ - "movdqa %%xmm7, %%xmm0 \n\t" \ - "movdqa "REG4", %%xmm4 \n\t" \ - "psubsw %%xmm1, %%xmm7 \n\t" \ - "psubsw "TAN1", "REG4" \n\t" \ - "paddsw %%xmm0, %%xmm1 \n\t" \ - "paddsw %%xmm4, "TAN1" \n\t" \ - "psraw $6, %%xmm1 \n\t" \ - "psraw $6, %%xmm7 \n\t" \ - "psraw $6, "TAN1" \n\t" \ - "psraw $6, "REG4" \n\t" \ - "movdqa %%xmm1, ("dct") \n\t" \ - "movdqa "TAN1", 3*16("dct") \n\t" \ - "movdqa "REG4", 4*16("dct") \n\t" \ - "movdqa %%xmm7, 7*16("dct") \n\t" - -/// IDCT pass on columns, assuming rows 4-7 are zero. -#define iLLM_PASS_SPARSE(dct) \ - "pmulhw %%xmm4, "TAN3" \n\t" \ - "paddsw %%xmm4, "TAN3" \n\t" \ - "movdqa %%xmm6, %%xmm3 \n\t" \ - "pmulhw %%xmm6, "TAN1" \n\t" \ - "movdqa %%xmm4, %%xmm1 \n\t" \ - "psubsw %%xmm1, %%xmm3 \n\t" \ - "paddsw %%xmm6, %%xmm1 \n\t" \ - "movdqa "TAN1", %%xmm6 \n\t" \ - "psubsw "TAN3", "TAN1" \n\t" \ - "paddsw %%xmm6, "TAN3" \n\t" \ - "movdqa %%xmm3, %%xmm6 \n\t" \ - "psubsw "TAN3", %%xmm3 \n\t" \ - "paddsw %%xmm6, "TAN3" \n\t" \ - "movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \ - "pmulhw %%xmm4, %%xmm3 \n\t" \ - "pmulhw %%xmm4, "TAN3" \n\t" \ - "paddsw "TAN3", "TAN3" \n\t" \ - "paddsw %%xmm3, %%xmm3 \n\t" \ - "movdqa "MANGLE(tan2)", %%xmm5 \n\t" \ - MOV_32_ONLY ROW2", "SREG2" \n\t" \ - "pmulhw "SREG2", %%xmm5 \n\t" \ - MOV_32_ONLY ROW0", "REG0" \n\t" \ - "movdqa "REG0", %%xmm6 \n\t" \ - "psubsw "SREG2", %%xmm6 \n\t" \ - "paddsw "REG0", "SREG2" \n\t" \ - MOV_32_ONLY" "TAN1", (%0) \n\t" \ - "movdqa "REG0", "XMMS" \n\t" \ - "psubsw %%xmm5, "REG0" \n\t" \ - "paddsw "XMMS", %%xmm5 \n\t" \ - "movdqa %%xmm5, "XMMS" \n\t" \ - "psubsw "TAN3", %%xmm5 \n\t" \ - "paddsw "XMMS", "TAN3" \n\t" \ - "movdqa "REG0", "XMMS" \n\t" \ - "psubsw %%xmm3, "REG0" \n\t" \ - "paddsw "XMMS", %%xmm3 \n\t" \ - MOV_32_ONLY" (%0), "TAN1" \n\t" \ - "psraw $6, %%xmm5 \n\t" \ - "psraw $6, "REG0" \n\t" \ - "psraw $6, "TAN3" \n\t" \ - "psraw $6, %%xmm3 \n\t" \ - "movdqa "TAN3", 1*16("dct") \n\t" \ - "movdqa %%xmm3, 2*16("dct") \n\t" \ - "movdqa "REG0", 5*16("dct") \n\t" \ - "movdqa %%xmm5, 6*16("dct") \n\t" \ - "movdqa "SREG2", %%xmm0 \n\t" \ - "movdqa %%xmm6, %%xmm4 \n\t" \ - "psubsw %%xmm1, "SREG2" \n\t" \ - "psubsw "TAN1", %%xmm6 \n\t" \ - "paddsw %%xmm0, %%xmm1 \n\t" \ - "paddsw %%xmm4, "TAN1" \n\t" \ - "psraw $6, %%xmm1 \n\t" \ - "psraw $6, "SREG2" \n\t" \ - "psraw $6, "TAN1" \n\t" \ - "psraw $6, %%xmm6 \n\t" \ - "movdqa %%xmm1, ("dct") \n\t" \ - "movdqa "TAN1", 3*16("dct") \n\t" \ - "movdqa %%xmm6, 4*16("dct") \n\t" \ - "movdqa "SREG2", 7*16("dct") \n\t" - -inline void ff_xvid_idct_sse2(short *block) -{ - __asm__ volatile ( - "movq "MANGLE (m127) ", %%mm0 \n\t" - iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(walkenIdctRounders), PUT_EVEN(ROW0)) - iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders + 1 * 16), PUT_ODD(ROW1)) - iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders + 2 * 16), PUT_EVEN(ROW2)) - - TEST_TWO_ROWS("3*16(%0)", "4*16(%0)", "%%eax", "%%ecx", CLEAR_ODD(ROW3), CLEAR_EVEN(ROW4)) - JZ("%%eax", "1f") - iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND(walkenIdctRounders + 3 * 16), PUT_ODD(ROW3)) - - TEST_TWO_ROWS("5*16(%0)", "6*16(%0)", "%%eax", "%%edx", CLEAR_ODD(ROW5), CLEAR_EVEN(ROW6)) - TEST_ONE_ROW("7*16(%0)", "%%esi", CLEAR_ODD(ROW7)) - iLLM_HEAD - ".p2align 4 \n\t" - JNZ("%%ecx", "2f") - JNZ("%%eax", "3f") - JNZ("%%edx", "4f") - JNZ("%%esi", "5f") - iLLM_PASS_SPARSE("%0") - "jmp 6f \n\t" - "2: \n\t" - iMTX_MULT("4*16(%0)", MANGLE(iTab1), "#", PUT_EVEN(ROW4)) - "3: \n\t" - iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND(walkenIdctRounders + 4 * 16), PUT_ODD(ROW5)) - JZ("%%edx", "1f") - "4: \n\t" - iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders + 5 * 16), PUT_EVEN(ROW6)) - JZ("%%esi", "1f") - "5: \n\t" - iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders + 5 * 16), PUT_ODD(ROW7)) -#if ARCH_X86_32 - iLLM_HEAD -#endif - iLLM_PASS("%0") - "6: \n\t" - : "+r" (block) - : - : XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", - "%xmm4", "%xmm5", "%xmm6", "%xmm7", ) -#if ARCH_X86_64 - XMM_CLOBBERS("%xmm8", "%xmm9", "%xmm10", "%xmm11", - "%xmm12", "%xmm13", "%xmm14", ) -#endif - "%eax", "%ecx", "%edx", "%esi", "memory"); -} - -void ff_xvid_idct_sse2_put(uint8_t *dest, int line_size, short *block) -{ - ff_xvid_idct_sse2(block); - ff_put_pixels_clamped_mmx(block, dest, line_size); -} - -void ff_xvid_idct_sse2_add(uint8_t *dest, int line_size, short *block) -{ - ff_xvid_idct_sse2(block); - ff_add_pixels_clamped_mmx(block, dest, line_size); -} - -#endif /* HAVE_SSE2_INLINE */ |