| /* |
| * Half-pel DSP functions. |
| * Copyright (c) 2000, 2001 Fabrice Bellard |
| * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at> |
| * |
| * 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 |
| */ |
| |
| /** |
| * @file |
| * Half-pel DSP functions. |
| */ |
| |
| #include "libavutil/attributes.h" |
| #include "libavutil/intreadwrite.h" |
| #include "hpeldsp.h" |
| |
| #define BIT_DEPTH 8 |
| #include "hpel_template.c" |
| #include "pel_template.c" |
| |
| #define PIXOP2(OPNAME, OP) \ |
| static inline void OPNAME ## _no_rnd_pixels8_l2_8(uint8_t *dst, \ |
| const uint8_t *src1, \ |
| const uint8_t *src2, \ |
| int dst_stride, \ |
| int src_stride1, \ |
| int src_stride2, \ |
| int h) \ |
| { \ |
| int i; \ |
| \ |
| for (i = 0; i < h; i++) { \ |
| uint32_t a, b; \ |
| a = AV_RN32(&src1[i * src_stride1]); \ |
| b = AV_RN32(&src2[i * src_stride2]); \ |
| OP(*((uint32_t *) &dst[i * dst_stride]), \ |
| no_rnd_avg32(a, b)); \ |
| a = AV_RN32(&src1[i * src_stride1 + 4]); \ |
| b = AV_RN32(&src2[i * src_stride2 + 4]); \ |
| OP(*((uint32_t *) &dst[i * dst_stride + 4]), \ |
| no_rnd_avg32(a, b)); \ |
| } \ |
| } \ |
| \ |
| static inline void OPNAME ## _no_rnd_pixels8_x2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _no_rnd_pixels8_l2_8(block, pixels, pixels + 1, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels8_x2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels8_l2_8(block, pixels, pixels + 1, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _no_rnd_pixels8_y2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _no_rnd_pixels8_l2_8(block, pixels, pixels + line_size, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels8_y2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels8_l2_8(block, pixels, pixels + line_size, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels4_x2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels4_l2_8(block, pixels, pixels + 1, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels4_y2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels4_l2_8(block, pixels, pixels + line_size, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels2_x2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels2_l2_8(block, pixels, pixels + 1, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels2_y2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| OPNAME ## _pixels2_l2_8(block, pixels, pixels + line_size, \ |
| line_size, line_size, line_size, h); \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels2_xy2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| int i, a1, b1; \ |
| int a0 = pixels[0]; \ |
| int b0 = pixels[1] + 2; \ |
| \ |
| a0 += b0; \ |
| b0 += pixels[2]; \ |
| pixels += line_size; \ |
| for (i = 0; i < h; i += 2) { \ |
| a1 = pixels[0]; \ |
| b1 = pixels[1]; \ |
| a1 += b1; \ |
| b1 += pixels[2]; \ |
| \ |
| block[0] = (a1 + a0) >> 2; /* FIXME non put */ \ |
| block[1] = (b1 + b0) >> 2; \ |
| \ |
| pixels += line_size; \ |
| block += line_size; \ |
| \ |
| a0 = pixels[0]; \ |
| b0 = pixels[1] + 2; \ |
| a0 += b0; \ |
| b0 += pixels[2]; \ |
| \ |
| block[0] = (a1 + a0) >> 2; \ |
| block[1] = (b1 + b0) >> 2; \ |
| pixels += line_size; \ |
| block += line_size; \ |
| } \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels4_xy2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| /* FIXME HIGH BIT DEPTH */ \ |
| int i; \ |
| const uint32_t a = AV_RN32(pixels); \ |
| const uint32_t b = AV_RN32(pixels + 1); \ |
| uint32_t l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| uint32_t l1, h1; \ |
| \ |
| pixels += line_size; \ |
| for (i = 0; i < h; i += 2) { \ |
| uint32_t a = AV_RN32(pixels); \ |
| uint32_t b = AV_RN32(pixels + 1); \ |
| l1 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL); \ |
| h1 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| a = AV_RN32(pixels); \ |
| b = AV_RN32(pixels + 1); \ |
| l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| } \ |
| } \ |
| \ |
| static inline void OPNAME ## _pixels8_xy2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| /* FIXME HIGH BIT DEPTH */ \ |
| int j; \ |
| \ |
| for (j = 0; j < 2; j++) { \ |
| int i; \ |
| const uint32_t a = AV_RN32(pixels); \ |
| const uint32_t b = AV_RN32(pixels + 1); \ |
| uint32_t l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| uint32_t l1, h1; \ |
| \ |
| pixels += line_size; \ |
| for (i = 0; i < h; i += 2) { \ |
| uint32_t a = AV_RN32(pixels); \ |
| uint32_t b = AV_RN32(pixels + 1); \ |
| l1 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL); \ |
| h1 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| a = AV_RN32(pixels); \ |
| b = AV_RN32(pixels + 1); \ |
| l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| } \ |
| pixels += 4 - line_size * (h + 1); \ |
| block += 4 - line_size * h; \ |
| } \ |
| } \ |
| \ |
| static inline void OPNAME ## _no_rnd_pixels8_xy2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| /* FIXME HIGH BIT DEPTH */ \ |
| int j; \ |
| \ |
| for (j = 0; j < 2; j++) { \ |
| int i; \ |
| const uint32_t a = AV_RN32(pixels); \ |
| const uint32_t b = AV_RN32(pixels + 1); \ |
| uint32_t l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x01010101UL; \ |
| uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| uint32_t l1, h1; \ |
| \ |
| pixels += line_size; \ |
| for (i = 0; i < h; i += 2) { \ |
| uint32_t a = AV_RN32(pixels); \ |
| uint32_t b = AV_RN32(pixels + 1); \ |
| l1 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL); \ |
| h1 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| a = AV_RN32(pixels); \ |
| b = AV_RN32(pixels + 1); \ |
| l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x01010101UL; \ |
| h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), h0 + h1 + \ |
| (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| } \ |
| pixels += 4 - line_size * (h + 1); \ |
| block += 4 - line_size * h; \ |
| } \ |
| } \ |
| \ |
| CALL_2X_PIXELS(OPNAME ## _pixels16_x2_8_c, \ |
| OPNAME ## _pixels8_x2_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _pixels16_y2_8_c, \ |
| OPNAME ## _pixels8_y2_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _pixels16_xy2_8_c, \ |
| OPNAME ## _pixels8_xy2_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _no_rnd_pixels16_8_c, \ |
| OPNAME ## _pixels8_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _no_rnd_pixels16_x2_8_c, \ |
| OPNAME ## _no_rnd_pixels8_x2_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _no_rnd_pixels16_y2_8_c, \ |
| OPNAME ## _no_rnd_pixels8_y2_8_c, \ |
| 8) \ |
| CALL_2X_PIXELS(OPNAME ## _no_rnd_pixels16_xy2_8_c, \ |
| OPNAME ## _no_rnd_pixels8_xy2_8_c, \ |
| 8) \ |
| |
| #define op_avg(a, b) a = rnd_avg32(a, b) |
| #define op_put(a, b) a = b |
| #define put_no_rnd_pixels8_8_c put_pixels8_8_c |
| PIXOP2(avg, op_avg) |
| PIXOP2(put, op_put) |
| #undef op_avg |
| #undef op_put |
| |
| av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags) |
| { |
| #define hpel_funcs(prefix, idx, num) \ |
| c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \ |
| c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \ |
| c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \ |
| c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c |
| |
| hpel_funcs(put, [0], 16); |
| hpel_funcs(put, [1], 8); |
| hpel_funcs(put, [2], 4); |
| hpel_funcs(put, [3], 2); |
| hpel_funcs(put_no_rnd, [0], 16); |
| hpel_funcs(put_no_rnd, [1], 8); |
| hpel_funcs(avg, [0], 16); |
| hpel_funcs(avg, [1], 8); |
| hpel_funcs(avg, [2], 4); |
| hpel_funcs(avg, [3], 2); |
| hpel_funcs(avg_no_rnd,, 16); |
| |
| if (ARCH_AARCH64) |
| ff_hpeldsp_init_aarch64(c, flags); |
| if (ARCH_ALPHA) |
| ff_hpeldsp_init_alpha(c, flags); |
| if (ARCH_ARM) |
| ff_hpeldsp_init_arm(c, flags); |
| if (ARCH_PPC) |
| ff_hpeldsp_init_ppc(c, flags); |
| if (ARCH_X86) |
| ff_hpeldsp_init_x86(c, flags); |
| if (ARCH_MIPS) |
| ff_hpeldsp_init_mips(c, flags); |
| } |
