/* * 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); }