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- /*
- * 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 Libav.
- *
- * 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
- */
-
- /**
- * @file
- * Half-pel DSP functions
- */
-
- #include "pixels.h"
-
- #include "bit_depth_template.c"
-
- #include "hpel_template.c"
-
- #define PIXOP2(OPNAME, OP) \
- static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(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++) { \
- pixel4 a, b; \
- a = AV_RN4P(&src1[i * src_stride1]); \
- b = AV_RN4P(&src2[i * src_stride2]); \
- OP(*((pixel4 *) &dst[i * dst_stride]), \
- no_rnd_avg_pixel4(a, b)); \
- a = AV_RN4P(&src1[i * src_stride1 + 4 * sizeof(pixel)]); \
- b = AV_RN4P(&src2[i * src_stride2 + 4 * sizeof(pixel)]); \
- OP(*((pixel4 *) &dst[i * dst_stride + 4 * sizeof(pixel)]), \
- no_rnd_avg_pixel4(a, b)); \
- } \
- } \
- \
- static inline void FUNCC(OPNAME ## _no_rnd_pixels8_x2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels + sizeof(pixel), \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels8_x2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels + sizeof(pixel), \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _no_rnd_pixels8_y2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels + line_size, \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels8_y2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels + line_size, \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels4_x2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels + sizeof(pixel), \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels4_y2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels + line_size, \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels2_x2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels + sizeof(pixel), \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels2_y2)(uint8_t *block, \
- const uint8_t *pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels + line_size, \
- line_size, line_size, line_size, h); \
- } \
- \
- static inline void FUNCC(OPNAME ## _pixels2_xy2)(uint8_t *_block, \
- const uint8_t *_pixels, \
- ptrdiff_t line_size, \
- int h) \
- { \
- pixel *block = (pixel *) _block; \
- const pixel *pixels = (const pixel *) _pixels; \
- int i, a1, b1; \
- int a0 = pixels[0]; \
- int b0 = pixels[1] + 2; \
- \
- a0 += b0; \
- b0 += pixels[2]; \
- line_size /= sizeof(pixel); \
- 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 FUNCC(OPNAME ## _pixels4_xy2)(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 FUNCC(OPNAME ## _pixels8_xy2)(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 FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(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(FUNCC(OPNAME ## _pixels16_x2), \
- FUNCC(OPNAME ## _pixels8_x2), \
- 8 * sizeof(pixel)) \
- CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2), \
- FUNCC(OPNAME ## _pixels8_y2), \
- 8 * sizeof(pixel)) \
- CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), \
- FUNCC(OPNAME ## _pixels8_xy2), \
- 8 * sizeof(pixel)) \
- av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16), \
- FUNCC(OPNAME ## _pixels8), \
- 8 * sizeof(pixel)) \
- CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2), \
- FUNCC(OPNAME ## _no_rnd_pixels8_x2), \
- 8 * sizeof(pixel)) \
- CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2), \
- FUNCC(OPNAME ## _no_rnd_pixels8_y2), \
- 8 * sizeof(pixel)) \
- CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), \
- FUNCC(OPNAME ## _no_rnd_pixels8_xy2), \
- 8 * sizeof(pixel)) \
-
- #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
- #define op_put(a, b) a = b
- #if BIT_DEPTH == 8
- #define put_no_rnd_pixels8_8_c put_pixels8_8_c
- PIXOP2(avg, op_avg)
- PIXOP2(put, op_put)
- #endif
- #undef op_avg
- #undef op_put
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