From 64ccc83c2bd644bf7afada43c03e8dd5d65a71e6 Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Wed, 15 Aug 2001 22:26:09 +0000 Subject: [PATCH] removed Originally committed as revision 105 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/i386/fdctdata.c | 143 ------------------------------------- 1 file changed, 143 deletions(-) delete mode 100644 libavcodec/i386/fdctdata.c diff --git a/libavcodec/i386/fdctdata.c b/libavcodec/i386/fdctdata.c deleted file mode 100644 index e095d0f4e4..0000000000 --- a/libavcodec/i386/fdctdata.c +++ /dev/null @@ -1,143 +0,0 @@ -////////////////////////////////////////////////////////////////////////////// -// -// 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 -// ---------- -// -// This routine uses a 3D-Now/MMX enhancement to increase the -// accuracy of the fdct_col_4 macro. The dct_col function uses 3D-Now's -// PMHULHRW instead of MMX's PMHULHW(and POR). The substitution improves -// accuracy very slightly with performance penalty. If the target CPU -// does not support 3D-Now, then this function cannot be executed. -// fdctmm32.c contains the standard MMX implementation of AP-922. -// -// For a fast, precise MMX implementation of inverse-DCT -// visit http://www.elecard.com/peter -// -// v1.0 07/22/2000 (initial release) -// Initial release of AP922 MMX(3D-Now) forward_DCT. -// This code was tested with Visual C++ 6.0Pro + service_pack4 + -// processor_pack_beta! If you have the processor_pack_beta, you can -// remove the #include for amd3dx.h, and substitute the 'normal' -// assembly lines for the macro'd versions. Otherwise, this -// code should compile 'as is', under Visual C++ 6.0 Pro. -// -// liaor@iname.com http://members.tripod.com/~liaor -////////////////////////////////////////////////////////////////////////////// - -#include - -////////////////////////////////////////////////////////////////////// -// -// constants for the forward DCT -// ----------------------------- -// -// Be sure to check that your compiler is aligning all constants to QWORD -// (8-byte) memory boundaries! Otherwise the unaligned memory access will -// severely stall MMX execution. -// -////////////////////////////////////////////////////////////////////// - -#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) -//#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)) - -//concatenated table, for forward DCT transformation -const int16_t fdct_tg_all_16[] = { - 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 - -19195, -19195, -19195, -19195, //cos * (2<<16) + 0.5 - 23170, 23170, 23170, 23170 }; //cos * (2<<15) + 0.5 -const long long fdct_one_corr = 0x0001000100010001LL; -const long fdct_r_row[2] = {RND_FRW_ROW, RND_FRW_ROW }; - -const int16_t tab_frw_01234567[] = { // 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 -}; - -