mirror of
https://github.com/librempeg/librempeg
synced 2024-11-22 00:51:37 +00:00
464 lines
22 KiB
C
464 lines
22 KiB
C
/*
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* Copyright (c) 2016 Martin Storsjo
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "checkasm.h"
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#include "libavcodec/h264dsp.h"
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#include "libavcodec/h264data.h"
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#include "libavcodec/h264_parse.h"
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#include "libavutil/common.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mem_internal.h"
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static const uint32_t pixel_mask[5] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff, 0x0fff0fff, 0x3fff3fff };
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static const uint32_t pixel_mask_lf[3] = { 0xff0fff0f, 0x01ff000f, 0x03ff000f };
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#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
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#define SIZEOF_COEF (2 * ((bit_depth + 7) / 8))
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#define PIXEL_STRIDE 16
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#define randomize_buffers(idx) \
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do { \
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int x, y; \
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uint32_t mask = pixel_mask[(idx)]; \
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for (y = 0; y < sz; y++) { \
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for (x = 0; x < PIXEL_STRIDE; x += 4) { \
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AV_WN32A(src + y * PIXEL_STRIDE + x, rnd() & mask); \
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AV_WN32A(dst + y * PIXEL_STRIDE + x, rnd() & mask); \
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} \
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for (x = 0; x < sz; x++) { \
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if (bit_depth == 8) { \
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coef[y * sz + x] = src[y * PIXEL_STRIDE + x] - \
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dst[y * PIXEL_STRIDE + x]; \
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} else { \
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((int32_t *)coef)[y * sz + x] = \
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((uint16_t *)src)[y * (PIXEL_STRIDE/2) + x] - \
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((uint16_t *)dst)[y * (PIXEL_STRIDE/2) + x]; \
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} \
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} \
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} \
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} while (0)
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#define dct4x4_impl(size, dctcoef) \
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static void dct4x4_##size(dctcoef *coef) \
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{ \
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int i, y, x; \
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dctcoef tmp[16]; \
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for (i = 0; i < 4; i++) { \
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const int z0 = coef[i*4 + 0] + coef[i*4 + 3]; \
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const int z1 = coef[i*4 + 1] + coef[i*4 + 2]; \
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const int z2 = coef[i*4 + 0] - coef[i*4 + 3]; \
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const int z3 = coef[i*4 + 1] - coef[i*4 + 2]; \
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tmp[i + 4*0] = z0 + z1; \
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tmp[i + 4*1] = 2*z2 + z3; \
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tmp[i + 4*2] = z0 - z1; \
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tmp[i + 4*3] = z2 - 2*z3; \
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} \
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for (i = 0; i < 4; i++) { \
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const int z0 = tmp[i*4 + 0] + tmp[i*4 + 3]; \
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const int z1 = tmp[i*4 + 1] + tmp[i*4 + 2]; \
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const int z2 = tmp[i*4 + 0] - tmp[i*4 + 3]; \
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const int z3 = tmp[i*4 + 1] - tmp[i*4 + 2]; \
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coef[i*4 + 0] = z0 + z1; \
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coef[i*4 + 1] = 2*z2 + z3; \
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coef[i*4 + 2] = z0 - z1; \
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coef[i*4 + 3] = z2 - 2*z3; \
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} \
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for (y = 0; y < 4; y++) { \
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for (x = 0; x < 4; x++) { \
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const int64_t scale[] = { 13107 * 10, 8066 * 13, 5243 * 16 }; \
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const int idx = (y & 1) + (x & 1); \
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coef[y*4 + x] = (coef[y*4 + x] * scale[idx] + (1 << 14)) >> 15; \
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} \
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} \
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}
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#define DCT8_1D(src, srcstride, dst, dststride) do { \
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const int a0 = (src)[srcstride * 0] + (src)[srcstride * 7]; \
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const int a1 = (src)[srcstride * 0] - (src)[srcstride * 7]; \
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const int a2 = (src)[srcstride * 1] + (src)[srcstride * 6]; \
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const int a3 = (src)[srcstride * 1] - (src)[srcstride * 6]; \
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const int a4 = (src)[srcstride * 2] + (src)[srcstride * 5]; \
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const int a5 = (src)[srcstride * 2] - (src)[srcstride * 5]; \
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const int a6 = (src)[srcstride * 3] + (src)[srcstride * 4]; \
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const int a7 = (src)[srcstride * 3] - (src)[srcstride * 4]; \
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const int b0 = a0 + a6; \
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const int b1 = a2 + a4; \
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const int b2 = a0 - a6; \
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const int b3 = a2 - a4; \
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const int b4 = a3 + a5 + (a1 + (a1 >> 1)); \
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const int b5 = a1 - a7 - (a5 + (a5 >> 1)); \
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const int b6 = a1 + a7 - (a3 + (a3 >> 1)); \
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const int b7 = a3 - a5 + (a7 + (a7 >> 1)); \
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(dst)[dststride * 0] = b0 + b1; \
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(dst)[dststride * 1] = b4 + (b7 >> 2); \
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(dst)[dststride * 2] = b2 + (b3 >> 1); \
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(dst)[dststride * 3] = b5 + (b6 >> 2); \
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(dst)[dststride * 4] = b0 - b1; \
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(dst)[dststride * 5] = b6 - (b5 >> 2); \
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(dst)[dststride * 6] = (b2 >> 1) - b3; \
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(dst)[dststride * 7] = (b4 >> 2) - b7; \
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} while (0)
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#define dct8x8_impl(size, dctcoef) \
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static void dct8x8_##size(dctcoef *coef) \
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{ \
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int i, x, y; \
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dctcoef tmp[64]; \
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for (i = 0; i < 8; i++) \
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DCT8_1D(coef + i, 8, tmp + i, 8); \
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\
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for (i = 0; i < 8; i++) \
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DCT8_1D(tmp + 8*i, 1, coef + i, 8); \
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\
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for (y = 0; y < 8; y++) { \
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for (x = 0; x < 8; x++) { \
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static const int scale[] = { \
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13107 * 20, 11428 * 18, 20972 * 32, \
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12222 * 19, 16777 * 25, 15481 * 24, \
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}; \
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static const int idxmap[] = { \
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0, 3, 4, 3, \
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3, 1, 5, 1, \
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4, 5, 2, 5, \
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3, 1, 5, 1, \
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}; \
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const int idx = idxmap[(y & 3) * 4 + (x & 3)]; \
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coef[y*8 + x] = ((int64_t)coef[y*8 + x] * \
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scale[idx] + (1 << 17)) >> 18; \
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} \
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} \
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}
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dct4x4_impl(16, int16_t)
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dct4x4_impl(32, int32_t)
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dct8x8_impl(16, int16_t)
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dct8x8_impl(32, int32_t)
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static void dct4x4(int16_t *coef, int bit_depth)
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{
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if (bit_depth == 8)
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dct4x4_16(coef);
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else
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dct4x4_32((int32_t *) coef);
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}
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static void dct8x8(int16_t *coef, int bit_depth)
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{
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if (bit_depth == 8) {
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dct8x8_16(coef);
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} else {
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dct8x8_32((int32_t *) coef);
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}
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}
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static void check_idct(void)
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{
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static const int depths[5] = { 8, 9, 10, 12, 14 };
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LOCAL_ALIGNED_16(uint8_t, src, [8 * 8 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst, [8 * 8 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst0, [8 * 8 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst1_base, [8 * 8 * 2 + 32]);
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LOCAL_ALIGNED_16(int16_t, coef, [8 * 8 * 2]);
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LOCAL_ALIGNED_16(int16_t, subcoef0, [8 * 8 * 2]);
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LOCAL_ALIGNED_16(int16_t, subcoef1, [8 * 8 * 2]);
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H264DSPContext h;
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int bit_depth, sz, align, dc, i;
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, int16_t *block, int stride);
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for (i = 0; i < FF_ARRAY_ELEMS(depths); i++) {
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bit_depth = depths[i];
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ff_h264dsp_init(&h, bit_depth, 1);
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for (dc = 0; dc <= 2; dc++) {
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for (sz = 4; sz <= 8; sz += 4) {
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void (*idct)(uint8_t *, int16_t *, int) = NULL;
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const char fmts[3][28] = {
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"h264_idct%d_add_%dbpp", "h264_idct%d_dc_add_%dbpp",
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"h264_add_pixels%d_%dbpp",
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};
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randomize_buffers(i);
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if (sz == 4)
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dct4x4(coef, bit_depth);
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else
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dct8x8(coef, bit_depth);
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switch ((sz << 2) | dc) {
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case (4 << 2) | 0: idct = h.h264_idct_add; break;
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case (4 << 2) | 1: idct = h.h264_idct_dc_add; break;
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case (4 << 2) | 2: idct = h.h264_add_pixels4_clear; break;
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case (8 << 2) | 0: idct = h.h264_idct8_add; break;
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case (8 << 2) | 1: idct = h.h264_idct8_dc_add; break;
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case (8 << 2) | 2: idct = h.h264_add_pixels8_clear; break;
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}
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if (check_func(idct, fmts[dc], sz, bit_depth)) {
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for (align = 0; align < 16; align += sz * SIZEOF_PIXEL) {
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uint8_t *dst1 = dst1_base + align;
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if (dc) {
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memset(subcoef0, 0, sz * sz * SIZEOF_COEF);
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memcpy(subcoef0, coef, SIZEOF_COEF);
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} else {
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memcpy(subcoef0, coef, sz * sz * SIZEOF_COEF);
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}
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memcpy(dst0, dst, sz * PIXEL_STRIDE);
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memcpy(dst1, dst, sz * PIXEL_STRIDE);
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memcpy(subcoef1, subcoef0, sz * sz * SIZEOF_COEF);
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call_ref(dst0, subcoef0, PIXEL_STRIDE);
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call_new(dst1, subcoef1, PIXEL_STRIDE);
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if (memcmp(dst0, dst1, sz * PIXEL_STRIDE) ||
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memcmp(subcoef0, subcoef1, sz * sz * SIZEOF_COEF))
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fail();
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bench_new(dst1, subcoef1, sz * SIZEOF_PIXEL);
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}
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}
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}
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}
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}
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}
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static void check_idct_multiple(void)
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{
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LOCAL_ALIGNED_16(uint8_t, dst_full, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(int16_t, coef_full, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(int16_t, coef0, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(int16_t, coef1, [16 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, nnzc, [15 * 8]);
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H264DSPContext h;
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int bit_depth, i, y, func;
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[15*8]);
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for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
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ff_h264dsp_init(&h, bit_depth, 1);
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for (func = 0; func < 3; func++) {
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void (*idct)(uint8_t *, const int *, int16_t *, int, const uint8_t[]) = NULL;
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const char *name;
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int sz = 4, intra = 0;
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int block_offset[16] = { 0 };
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switch (func) {
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case 0:
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idct = h.h264_idct_add16;
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name = "h264_idct_add16";
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break;
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case 1:
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idct = h.h264_idct_add16intra;
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name = "h264_idct_add16intra";
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intra = 1;
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break;
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case 2:
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idct = h.h264_idct8_add4;
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name = "h264_idct8_add4";
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sz = 8;
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break;
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}
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memset(nnzc, 0, 15 * 8);
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memset(coef_full, 0, 16 * 16 * SIZEOF_COEF);
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for (i = 0; i < 16 * 16; i += sz * sz) {
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uint8_t src[8 * 8 * 2];
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uint8_t dst[8 * 8 * 2];
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int16_t coef[8 * 8 * 2];
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int index = i / sz;
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int block_y = (index / 16) * sz;
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int block_x = index % 16;
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int offset = (block_y * 16 + block_x) * SIZEOF_PIXEL;
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int nnz = rnd() % 3;
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randomize_buffers(bit_depth - 8);
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if (sz == 4)
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dct4x4(coef, bit_depth);
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else
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dct8x8(coef, bit_depth);
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for (y = 0; y < sz; y++)
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memcpy(&dst_full[offset + y * 16 * SIZEOF_PIXEL],
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&dst[PIXEL_STRIDE * y], sz * SIZEOF_PIXEL);
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if (nnz > 1)
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nnz = sz * sz;
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memcpy(&coef_full[i * SIZEOF_COEF/sizeof(coef[0])],
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coef, nnz * SIZEOF_COEF);
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if (intra && nnz == 1)
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nnz = 0;
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nnzc[scan8[i / 16]] = nnz;
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block_offset[i / 16] = offset;
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}
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if (check_func(idct, "%s_%dbpp", name, bit_depth)) {
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memcpy(coef0, coef_full, 16 * 16 * SIZEOF_COEF);
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memcpy(coef1, coef_full, 16 * 16 * SIZEOF_COEF);
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memcpy(dst0, dst_full, 16 * 16 * SIZEOF_PIXEL);
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memcpy(dst1, dst_full, 16 * 16 * SIZEOF_PIXEL);
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call_ref(dst0, block_offset, coef0, 16 * SIZEOF_PIXEL, nnzc);
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call_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
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if (memcmp(dst0, dst1, 16 * 16 * SIZEOF_PIXEL) ||
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memcmp(coef0, coef1, 16 * 16 * SIZEOF_COEF))
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fail();
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bench_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
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}
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}
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}
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}
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static void check_loop_filter(void)
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{
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LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
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H264DSPContext h;
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int bit_depth;
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int alphas[36], betas[36];
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int8_t tc0[36][4];
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
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int alpha, int beta, int8_t *tc0);
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for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
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int i, j, a, c;
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uint32_t mask = pixel_mask_lf[bit_depth - 8];
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ff_h264dsp_init(&h, bit_depth, 1);
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for (i = 35, a = 255, c = 250; i >= 0; i--) {
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alphas[i] = a << (bit_depth - 8);
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betas[i] = (i + 1) / 2 << (bit_depth - 8);
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tc0[i][0] = tc0[i][3] = (c + 6) / 10;
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tc0[i][1] = (c + 7) / 15;
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tc0[i][2] = (c + 9) / 20;
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a = a*9/10;
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c = c*9/10;
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}
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#define CHECK_LOOP_FILTER(name, align, idc) \
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do { \
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if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
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for (j = 0; j < 36; j++) { \
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intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
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for (i = 0; i < 1024; i+=4) { \
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AV_WN32A(dst + i, rnd() & mask); \
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} \
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memcpy(dst0, dst, 32 * 16 * 2); \
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memcpy(dst1, dst, 32 * 16 * 2); \
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\
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call_ref(dst0 + off, 32, alphas[j], betas[j], tc0[j]); \
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call_new(dst1 + off, 32, alphas[j], betas[j], tc0[j]); \
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if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
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fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d " \
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"tc0:{%d,%d,%d,%d}\n", j, alphas[j], betas[j], \
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tc0[j][0], tc0[j][1], tc0[j][2], tc0[j][3]); \
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fail(); \
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} \
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bench_new(dst1 + off, 32, alphas[j], betas[j], tc0[j]);\
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} \
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} \
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} while (0)
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CHECK_LOOP_FILTER(h264_v_loop_filter_luma, 1,);
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CHECK_LOOP_FILTER(h264_h_loop_filter_luma, 0,);
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CHECK_LOOP_FILTER(h264_h_loop_filter_luma_mbaff, 0,);
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CHECK_LOOP_FILTER(h264_v_loop_filter_chroma, 1,);
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CHECK_LOOP_FILTER(h264_h_loop_filter_chroma, 0,);
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CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_mbaff, 0,);
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ff_h264dsp_init(&h, bit_depth, 2);
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CHECK_LOOP_FILTER(h264_h_loop_filter_chroma, 0, 422);
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CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_mbaff, 0, 422);
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#undef CHECK_LOOP_FILTER
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}
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}
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static void check_loop_filter_intra(void)
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{
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LOCAL_ALIGNED_16(uint8_t, dst, [32 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst0, [32 * 16 * 2]);
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LOCAL_ALIGNED_16(uint8_t, dst1, [32 * 16 * 2]);
|
|
H264DSPContext h;
|
|
int bit_depth;
|
|
int alphas[36], betas[36];
|
|
|
|
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride,
|
|
int alpha, int beta);
|
|
|
|
for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
|
|
int i, j, a;
|
|
uint32_t mask = pixel_mask_lf[bit_depth - 8];
|
|
ff_h264dsp_init(&h, bit_depth, 1);
|
|
for (i = 35, a = 255; i >= 0; i--) {
|
|
alphas[i] = a << (bit_depth - 8);
|
|
betas[i] = (i + 1) / 2 << (bit_depth - 8);
|
|
a = a*9/10;
|
|
}
|
|
|
|
#define CHECK_LOOP_FILTER(name, align, idc) \
|
|
do { \
|
|
if (check_func(h.name, #name #idc "_%dbpp", bit_depth)) { \
|
|
for (j = 0; j < 36; j++) { \
|
|
intptr_t off = 8 * 32 + (j & 15) * 4 * !align; \
|
|
for (i = 0; i < 1024; i+=4) { \
|
|
AV_WN32A(dst + i, rnd() & mask); \
|
|
} \
|
|
memcpy(dst0, dst, 32 * 16 * 2); \
|
|
memcpy(dst1, dst, 32 * 16 * 2); \
|
|
\
|
|
call_ref(dst0 + off, 32, alphas[j], betas[j]); \
|
|
call_new(dst1 + off, 32, alphas[j], betas[j]); \
|
|
if (memcmp(dst0, dst1, 32 * 16 * SIZEOF_PIXEL)) { \
|
|
fprintf(stderr, #name #idc ": j:%d, alpha:%d beta:%d\n", \
|
|
j, alphas[j], betas[j]); \
|
|
fail(); \
|
|
} \
|
|
bench_new(dst1 + off, 32, alphas[j], betas[j]); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
CHECK_LOOP_FILTER(h264_v_loop_filter_luma_intra, 1,);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_luma_intra, 0,);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_luma_mbaff_intra, 0,);
|
|
CHECK_LOOP_FILTER(h264_v_loop_filter_chroma_intra, 1,);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_intra, 0,);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_mbaff_intra, 0,);
|
|
|
|
ff_h264dsp_init(&h, bit_depth, 2);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_intra, 0, 422);
|
|
CHECK_LOOP_FILTER(h264_h_loop_filter_chroma_mbaff_intra, 0, 422);
|
|
#undef CHECK_LOOP_FILTER
|
|
}
|
|
}
|
|
|
|
void checkasm_check_h264dsp(void)
|
|
{
|
|
check_idct();
|
|
check_idct_multiple();
|
|
report("idct");
|
|
|
|
check_loop_filter();
|
|
report("loop_filter");
|
|
|
|
check_loop_filter_intra();
|
|
report("loop_filter_intra");
|
|
}
|