/* * DSP utils * Copyright (c) 2000, 2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer * * 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 * DSP utils */ #include "libavutil/attributes.h" #include "libavutil/imgutils.h" #include "libavutil/internal.h" #include "avcodec.h" #include "copy_block.h" #include "dct.h" #include "dsputil.h" #include "simple_idct.h" #include "faandct.h" #include "faanidct.h" #include "imgconvert.h" #include "mathops.h" #include "mpegvideo.h" #include "config.h" uint32_t ff_square_tab[512] = { 0, }; #define BIT_DEPTH 16 #include "dsputilenc_template.c" #undef BIT_DEPTH #define BIT_DEPTH 8 #include "dsputilenc_template.c" /* Input permutation for the simple_idct_mmx */ static const uint8_t simple_mmx_permutation[64] = { 0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D, 0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D, 0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D, 0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F, 0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F, 0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D, 0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F, 0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F, }; static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 }; av_cold void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable) { int i, end; st->scantable = src_scantable; for (i = 0; i < 64; i++) { int j = src_scantable[i]; st->permutated[i] = permutation[j]; } end = -1; for (i = 0; i < 64; i++) { int j = st->permutated[i]; if (j > end) end = j; st->raster_end[i] = end; } } av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation, int idct_permutation_type) { int i; switch (idct_permutation_type) { case FF_NO_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = i; break; case FF_LIBMPEG2_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2); break; case FF_SIMPLE_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = simple_mmx_permutation[i]; break; case FF_TRANSPOSE_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = ((i & 7) << 3) | (i >> 3); break; case FF_PARTTRANS_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = (i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3); break; case FF_SSE2_IDCT_PERM: for (i = 0; i < 64; i++) idct_permutation[i] = (i & 0x38) | idct_sse2_row_perm[i & 7]; break; default: av_log(NULL, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n"); } } static int pix_sum_c(uint8_t *pix, int line_size) { int s = 0, i, j; for (i = 0; i < 16; i++) { for (j = 0; j < 16; j += 8) { s += pix[0]; s += pix[1]; s += pix[2]; s += pix[3]; s += pix[4]; s += pix[5]; s += pix[6]; s += pix[7]; pix += 8; } pix += line_size - 16; } return s; } static int pix_norm1_c(uint8_t *pix, int line_size) { int s = 0, i, j; uint32_t *sq = ff_square_tab + 256; for (i = 0; i < 16; i++) { for (j = 0; j < 16; j += 8) { #if 0 s += sq[pix[0]]; s += sq[pix[1]]; s += sq[pix[2]]; s += sq[pix[3]]; s += sq[pix[4]]; s += sq[pix[5]]; s += sq[pix[6]]; s += sq[pix[7]]; #else #if HAVE_FAST_64BIT register uint64_t x = *(uint64_t *) pix; s += sq[x & 0xff]; s += sq[(x >> 8) & 0xff]; s += sq[(x >> 16) & 0xff]; s += sq[(x >> 24) & 0xff]; s += sq[(x >> 32) & 0xff]; s += sq[(x >> 40) & 0xff]; s += sq[(x >> 48) & 0xff]; s += sq[(x >> 56) & 0xff]; #else register uint32_t x = *(uint32_t *) pix; s += sq[x & 0xff]; s += sq[(x >> 8) & 0xff]; s += sq[(x >> 16) & 0xff]; s += sq[(x >> 24) & 0xff]; x = *(uint32_t *) (pix + 4); s += sq[x & 0xff]; s += sq[(x >> 8) & 0xff]; s += sq[(x >> 16) & 0xff]; s += sq[(x >> 24) & 0xff]; #endif #endif pix += 8; } pix += line_size - 16; } return s; } static void bswap_buf(uint32_t *dst, const uint32_t *src, int w) { int i; for (i = 0; i + 8 <= w; i += 8) { dst[i + 0] = av_bswap32(src[i + 0]); dst[i + 1] = av_bswap32(src[i + 1]); dst[i + 2] = av_bswap32(src[i + 2]); dst[i + 3] = av_bswap32(src[i + 3]); dst[i + 4] = av_bswap32(src[i + 4]); dst[i + 5] = av_bswap32(src[i + 5]); dst[i + 6] = av_bswap32(src[i + 6]); dst[i + 7] = av_bswap32(src[i + 7]); } for (; i < w; i++) dst[i + 0] = av_bswap32(src[i + 0]); } static void bswap16_buf(uint16_t *dst, const uint16_t *src, int len) { while (len--) *dst++ = av_bswap16(*src++); } static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint32_t *sq = ff_square_tab + 256; for (i = 0; i < h; i++) { s += sq[pix1[0] - pix2[0]]; s += sq[pix1[1] - pix2[1]]; s += sq[pix1[2] - pix2[2]]; s += sq[pix1[3] - pix2[3]]; pix1 += line_size; pix2 += line_size; } return s; } static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint32_t *sq = ff_square_tab + 256; for (i = 0; i < h; i++) { s += sq[pix1[0] - pix2[0]]; s += sq[pix1[1] - pix2[1]]; s += sq[pix1[2] - pix2[2]]; s += sq[pix1[3] - pix2[3]]; s += sq[pix1[4] - pix2[4]]; s += sq[pix1[5] - pix2[5]]; s += sq[pix1[6] - pix2[6]]; s += sq[pix1[7] - pix2[7]]; pix1 += line_size; pix2 += line_size; } return s; } static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint32_t *sq = ff_square_tab + 256; for (i = 0; i < h; i++) { s += sq[pix1[0] - pix2[0]]; s += sq[pix1[1] - pix2[1]]; s += sq[pix1[2] - pix2[2]]; s += sq[pix1[3] - pix2[3]]; s += sq[pix1[4] - pix2[4]]; s += sq[pix1[5] - pix2[5]]; s += sq[pix1[6] - pix2[6]]; s += sq[pix1[7] - pix2[7]]; s += sq[pix1[8] - pix2[8]]; s += sq[pix1[9] - pix2[9]]; s += sq[pix1[10] - pix2[10]]; s += sq[pix1[11] - pix2[11]]; s += sq[pix1[12] - pix2[12]]; s += sq[pix1[13] - pix2[13]]; s += sq[pix1[14] - pix2[14]]; s += sq[pix1[15] - pix2[15]]; pix1 += line_size; pix2 += line_size; } return s; } static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1, const uint8_t *s2, int stride) { int i; /* read the pixels */ for (i = 0; i < 8; i++) { block[0] = s1[0] - s2[0]; block[1] = s1[1] - s2[1]; block[2] = s1[2] - s2[2]; block[3] = s1[3] - s2[3]; block[4] = s1[4] - s2[4]; block[5] = s1[5] - s2[5]; block[6] = s1[6] - s2[6]; block[7] = s1[7] - s2[7]; s1 += stride; s2 += stride; block += 8; } } static void put_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for (i = 0; i < 8; i++) { pixels[0] = av_clip_uint8(block[0]); pixels[1] = av_clip_uint8(block[1]); pixels[2] = av_clip_uint8(block[2]); pixels[3] = av_clip_uint8(block[3]); pixels[4] = av_clip_uint8(block[4]); pixels[5] = av_clip_uint8(block[5]); pixels[6] = av_clip_uint8(block[6]); pixels[7] = av_clip_uint8(block[7]); pixels += line_size; block += 8; } } static void put_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for(i=0;i<4;i++) { pixels[0] = av_clip_uint8(block[0]); pixels[1] = av_clip_uint8(block[1]); pixels[2] = av_clip_uint8(block[2]); pixels[3] = av_clip_uint8(block[3]); pixels += line_size; block += 8; } } static void put_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for(i=0;i<2;i++) { pixels[0] = av_clip_uint8(block[0]); pixels[1] = av_clip_uint8(block[1]); pixels += line_size; block += 8; } } static void put_signed_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i, j; for (i = 0; i < 8; i++) { for (j = 0; j < 8; j++) { if (*block < -128) *pixels = 0; else if (*block > 127) *pixels = 255; else *pixels = (uint8_t) (*block + 128); block++; pixels++; } pixels += (line_size - 8); } } static void add_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for (i = 0; i < 8; i++) { pixels[0] = av_clip_uint8(pixels[0] + block[0]); pixels[1] = av_clip_uint8(pixels[1] + block[1]); pixels[2] = av_clip_uint8(pixels[2] + block[2]); pixels[3] = av_clip_uint8(pixels[3] + block[3]); pixels[4] = av_clip_uint8(pixels[4] + block[4]); pixels[5] = av_clip_uint8(pixels[5] + block[5]); pixels[6] = av_clip_uint8(pixels[6] + block[6]); pixels[7] = av_clip_uint8(pixels[7] + block[7]); pixels += line_size; block += 8; } } static void add_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for(i=0;i<4;i++) { pixels[0] = av_clip_uint8(pixels[0] + block[0]); pixels[1] = av_clip_uint8(pixels[1] + block[1]); pixels[2] = av_clip_uint8(pixels[2] + block[2]); pixels[3] = av_clip_uint8(pixels[3] + block[3]); pixels += line_size; block += 8; } } static void add_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels, int line_size) { int i; /* read the pixels */ for(i=0;i<2;i++) { pixels[0] = av_clip_uint8(pixels[0] + block[0]); pixels[1] = av_clip_uint8(pixels[1] + block[1]); pixels += line_size; block += 8; } } static int sum_abs_dctelem_c(int16_t *block) { int sum = 0, i; for (i = 0; i < 64; i++) sum += FFABS(block[i]); return sum; } static void fill_block16_c(uint8_t *block, uint8_t value, int line_size, int h) { int i; for (i = 0; i < h; i++) { memset(block, value, 16); block += line_size; } } static void fill_block8_c(uint8_t *block, uint8_t value, int line_size, int h) { int i; for (i = 0; i < h; i++) { memset(block, value, 8); block += line_size; } } #define avg2(a, b) ((a + b + 1) >> 1) #define avg4(a, b, c, d) ((a + b + c + d + 2) >> 2) static void gmc1_c(uint8_t *dst, uint8_t *src, int stride, int h, int x16, int y16, int rounder) { const int A = (16 - x16) * (16 - y16); const int B = (x16) * (16 - y16); const int C = (16 - x16) * (y16); const int D = (x16) * (y16); int i; for (i = 0; i < h; i++) { dst[0] = (A * src[0] + B * src[1] + C * src[stride + 0] + D * src[stride + 1] + rounder) >> 8; dst[1] = (A * src[1] + B * src[2] + C * src[stride + 1] + D * src[stride + 2] + rounder) >> 8; dst[2] = (A * src[2] + B * src[3] + C * src[stride + 2] + D * src[stride + 3] + rounder) >> 8; dst[3] = (A * src[3] + B * src[4] + C * src[stride + 3] + D * src[stride + 4] + rounder) >> 8; dst[4] = (A * src[4] + B * src[5] + C * src[stride + 4] + D * src[stride + 5] + rounder) >> 8; dst[5] = (A * src[5] + B * src[6] + C * src[stride + 5] + D * src[stride + 6] + rounder) >> 8; dst[6] = (A * src[6] + B * src[7] + C * src[stride + 6] + D * src[stride + 7] + rounder) >> 8; dst[7] = (A * src[7] + B * src[8] + C * src[stride + 7] + D * src[stride + 8] + rounder) >> 8; dst += stride; src += stride; } } void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height) { int y, vx, vy; const int s = 1 << shift; width--; height--; for (y = 0; y < h; y++) { int x; vx = ox; vy = oy; for (x = 0; x < 8; x++) { // FIXME: optimize int index; int src_x = vx >> 16; int src_y = vy >> 16; int frac_x = src_x & (s - 1); int frac_y = src_y & (s - 1); src_x >>= shift; src_y >>= shift; if ((unsigned) src_x < width) { if ((unsigned) src_y < height) { index = src_x + src_y * stride; dst[y * stride + x] = ((src[index] * (s - frac_x) + src[index + 1] * frac_x) * (s - frac_y) + (src[index + stride] * (s - frac_x) + src[index + stride + 1] * frac_x) * frac_y + r) >> (shift * 2); } else { index = src_x + av_clip(src_y, 0, height) * stride; dst[y * stride + x] = ((src[index] * (s - frac_x) + src[index + 1] * frac_x) * s + r) >> (shift * 2); } } else { if ((unsigned) src_y < height) { index = av_clip(src_x, 0, width) + src_y * stride; dst[y * stride + x] = ((src[index] * (s - frac_y) + src[index + stride] * frac_y) * s + r) >> (shift * 2); } else { index = av_clip(src_x, 0, width) + av_clip(src_y, 0, height) * stride; dst[y * stride + x] = src[index]; } } vx += dxx; vy += dyx; } ox += dxy; oy += dyy; } } static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; for (i = 0; i < h; i++) { s += abs(pix1[0] - pix2[0]); s += abs(pix1[1] - pix2[1]); s += abs(pix1[2] - pix2[2]); s += abs(pix1[3] - pix2[3]); s += abs(pix1[4] - pix2[4]); s += abs(pix1[5] - pix2[5]); s += abs(pix1[6] - pix2[6]); s += abs(pix1[7] - pix2[7]); s += abs(pix1[8] - pix2[8]); s += abs(pix1[9] - pix2[9]); s += abs(pix1[10] - pix2[10]); s += abs(pix1[11] - pix2[11]); s += abs(pix1[12] - pix2[12]); s += abs(pix1[13] - pix2[13]); s += abs(pix1[14] - pix2[14]); s += abs(pix1[15] - pix2[15]); pix1 += line_size; pix2 += line_size; } return s; } static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg2(pix2[0], pix2[1])); s += abs(pix1[1] - avg2(pix2[1], pix2[2])); s += abs(pix1[2] - avg2(pix2[2], pix2[3])); s += abs(pix1[3] - avg2(pix2[3], pix2[4])); s += abs(pix1[4] - avg2(pix2[4], pix2[5])); s += abs(pix1[5] - avg2(pix2[5], pix2[6])); s += abs(pix1[6] - avg2(pix2[6], pix2[7])); s += abs(pix1[7] - avg2(pix2[7], pix2[8])); s += abs(pix1[8] - avg2(pix2[8], pix2[9])); s += abs(pix1[9] - avg2(pix2[9], pix2[10])); s += abs(pix1[10] - avg2(pix2[10], pix2[11])); s += abs(pix1[11] - avg2(pix2[11], pix2[12])); s += abs(pix1[12] - avg2(pix2[12], pix2[13])); s += abs(pix1[13] - avg2(pix2[13], pix2[14])); s += abs(pix1[14] - avg2(pix2[14], pix2[15])); s += abs(pix1[15] - avg2(pix2[15], pix2[16])); pix1 += line_size; pix2 += line_size; } return s; } static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint8_t *pix3 = pix2 + line_size; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg2(pix2[0], pix3[0])); s += abs(pix1[1] - avg2(pix2[1], pix3[1])); s += abs(pix1[2] - avg2(pix2[2], pix3[2])); s += abs(pix1[3] - avg2(pix2[3], pix3[3])); s += abs(pix1[4] - avg2(pix2[4], pix3[4])); s += abs(pix1[5] - avg2(pix2[5], pix3[5])); s += abs(pix1[6] - avg2(pix2[6], pix3[6])); s += abs(pix1[7] - avg2(pix2[7], pix3[7])); s += abs(pix1[8] - avg2(pix2[8], pix3[8])); s += abs(pix1[9] - avg2(pix2[9], pix3[9])); s += abs(pix1[10] - avg2(pix2[10], pix3[10])); s += abs(pix1[11] - avg2(pix2[11], pix3[11])); s += abs(pix1[12] - avg2(pix2[12], pix3[12])); s += abs(pix1[13] - avg2(pix2[13], pix3[13])); s += abs(pix1[14] - avg2(pix2[14], pix3[14])); s += abs(pix1[15] - avg2(pix2[15], pix3[15])); pix1 += line_size; pix2 += line_size; pix3 += line_size; } return s; } static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint8_t *pix3 = pix2 + line_size; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1])); s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2])); s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3])); s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4])); s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5])); s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6])); s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7])); s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8])); s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9])); s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10])); s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11])); s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12])); s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13])); s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14])); s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15])); s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16])); pix1 += line_size; pix2 += line_size; pix3 += line_size; } return s; } static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; for (i = 0; i < h; i++) { s += abs(pix1[0] - pix2[0]); s += abs(pix1[1] - pix2[1]); s += abs(pix1[2] - pix2[2]); s += abs(pix1[3] - pix2[3]); s += abs(pix1[4] - pix2[4]); s += abs(pix1[5] - pix2[5]); s += abs(pix1[6] - pix2[6]); s += abs(pix1[7] - pix2[7]); pix1 += line_size; pix2 += line_size; } return s; } static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg2(pix2[0], pix2[1])); s += abs(pix1[1] - avg2(pix2[1], pix2[2])); s += abs(pix1[2] - avg2(pix2[2], pix2[3])); s += abs(pix1[3] - avg2(pix2[3], pix2[4])); s += abs(pix1[4] - avg2(pix2[4], pix2[5])); s += abs(pix1[5] - avg2(pix2[5], pix2[6])); s += abs(pix1[6] - avg2(pix2[6], pix2[7])); s += abs(pix1[7] - avg2(pix2[7], pix2[8])); pix1 += line_size; pix2 += line_size; } return s; } static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint8_t *pix3 = pix2 + line_size; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg2(pix2[0], pix3[0])); s += abs(pix1[1] - avg2(pix2[1], pix3[1])); s += abs(pix1[2] - avg2(pix2[2], pix3[2])); s += abs(pix1[3] - avg2(pix2[3], pix3[3])); s += abs(pix1[4] - avg2(pix2[4], pix3[4])); s += abs(pix1[5] - avg2(pix2[5], pix3[5])); s += abs(pix1[6] - avg2(pix2[6], pix3[6])); s += abs(pix1[7] - avg2(pix2[7], pix3[7])); pix1 += line_size; pix2 += line_size; pix3 += line_size; } return s; } static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) { int s = 0, i; uint8_t *pix3 = pix2 + line_size; for (i = 0; i < h; i++) { s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1])); s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2])); s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3])); s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4])); s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5])); s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6])); s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7])); s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8])); pix1 += line_size; pix2 += line_size; pix3 += line_size; } return s; } static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h) { int score1 = 0, score2 = 0, x, y; for (y = 0; y < h; y++) { for (x = 0; x < 16; x++) score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]); if (y + 1 < h) { for (x = 0; x < 15; x++) score2 += FFABS(s1[x] - s1[x + stride] - s1[x + 1] + s1[x + stride + 1]) - FFABS(s2[x] - s2[x + stride] - s2[x + 1] + s2[x + stride + 1]); } s1 += stride; s2 += stride; } if (c) return score1 + FFABS(score2) * c->avctx->nsse_weight; else return score1 + FFABS(score2) * 8; } static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, int stride, int h) { int score1 = 0, score2 = 0, x, y; for (y = 0; y < h; y++) { for (x = 0; x < 8; x++) score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]); if (y + 1 < h) { for (x = 0; x < 7; x++) score2 += FFABS(s1[x] - s1[x + stride] - s1[x + 1] + s1[x + stride + 1]) - FFABS(s2[x] - s2[x + stride] - s2[x + 1] + s2[x + stride + 1]); } s1 += stride; s2 += stride; } if (c) return score1 + FFABS(score2) * c->avctx->nsse_weight; else return score1 + FFABS(score2) * 8; } static int try_8x8basis_c(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale) { int i; unsigned int sum = 0; for (i = 0; i < 8 * 8; i++) { int b = rem[i] + ((basis[i] * scale + (1 << (BASIS_SHIFT - RECON_SHIFT - 1))) >> (BASIS_SHIFT - RECON_SHIFT)); int w = weight[i]; b >>= RECON_SHIFT; av_assert2(-512 < b && b < 512); sum += (w * b) * (w * b) >> 4; } return sum >> 2; } static void add_8x8basis_c(int16_t rem[64], int16_t basis[64], int scale) { int i; for (i = 0; i < 8 * 8; i++) rem[i] += (basis[i] * scale + (1 << (BASIS_SHIFT - RECON_SHIFT - 1))) >> (BASIS_SHIFT - RECON_SHIFT); } static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, int stride, int h) { return 0; } void ff_set_cmp(DSPContext *c, me_cmp_func *cmp, int type) { int i; memset(cmp, 0, sizeof(void *) * 6); for (i = 0; i < 6; i++) { switch (type & 0xFF) { case FF_CMP_SAD: cmp[i] = c->sad[i]; break; case FF_CMP_SATD: cmp[i] = c->hadamard8_diff[i]; break; case FF_CMP_SSE: cmp[i] = c->sse[i]; break; case FF_CMP_DCT: cmp[i] = c->dct_sad[i]; break; case FF_CMP_DCT264: cmp[i] = c->dct264_sad[i]; break; case FF_CMP_DCTMAX: cmp[i] = c->dct_max[i]; break; case FF_CMP_PSNR: cmp[i] = c->quant_psnr[i]; break; case FF_CMP_BIT: cmp[i] = c->bit[i]; break; case FF_CMP_RD: cmp[i] = c->rd[i]; break; case FF_CMP_VSAD: cmp[i] = c->vsad[i]; break; case FF_CMP_VSSE: cmp[i] = c->vsse[i]; break; case FF_CMP_ZERO: cmp[i] = zero_cmp; break; case FF_CMP_NSSE: cmp[i] = c->nsse[i]; break; #if CONFIG_DWT case FF_CMP_W53: cmp[i]= c->w53[i]; break; case FF_CMP_W97: cmp[i]= c->w97[i]; break; #endif default: av_log(NULL, AV_LOG_ERROR, "internal error in cmp function selection\n"); } } } #define BUTTERFLY2(o1, o2, i1, i2) \ o1 = (i1) + (i2); \ o2 = (i1) - (i2); #define BUTTERFLY1(x, y) \ { \ int a, b; \ a = x; \ b = y; \ x = a + b; \ y = a - b; \ } #define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y))) static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst, uint8_t *src, int stride, int h) { int i, temp[64], sum = 0; av_assert2(h == 8); for (i = 0; i < 8; i++) { // FIXME: try pointer walks BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1], src[stride * i + 0] - dst[stride * i + 0], src[stride * i + 1] - dst[stride * i + 1]); BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3], src[stride * i + 2] - dst[stride * i + 2], src[stride * i + 3] - dst[stride * i + 3]); BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5], src[stride * i + 4] - dst[stride * i + 4], src[stride * i + 5] - dst[stride * i + 5]); BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7], src[stride * i + 6] - dst[stride * i + 6], src[stride * i + 7] - dst[stride * i + 7]); BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]); BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]); BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]); BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]); BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]); BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]); BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]); BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]); } for (i = 0; i < 8; i++) { BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]); BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]); BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]); BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]); BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]); BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]); BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]); BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]); sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]); } return sum; } static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src, uint8_t *dummy, int stride, int h) { int i, temp[64], sum = 0; av_assert2(h == 8); for (i = 0; i < 8; i++) { // FIXME: try pointer walks BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1], src[stride * i + 0], src[stride * i + 1]); BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3], src[stride * i + 2], src[stride * i + 3]); BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5], src[stride * i + 4], src[stride * i + 5]); BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7], src[stride * i + 6], src[stride * i + 7]); BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]); BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]); BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]); BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]); BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]); BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]); BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]); BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]); } for (i = 0; i < 8; i++) { BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]); BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]); BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]); BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]); BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]); BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]); BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]); BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]); sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]); } sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean return sum; } static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { LOCAL_ALIGNED_16(int16_t, temp, [64]); av_assert2(h == 8); s->dsp.diff_pixels(temp, src1, src2, stride); s->dsp.fdct(temp); return s->dsp.sum_abs_dctelem(temp); } #if CONFIG_GPL #define DCT8_1D \ { \ const int s07 = SRC(0) + SRC(7); \ const int s16 = SRC(1) + SRC(6); \ const int s25 = SRC(2) + SRC(5); \ const int s34 = SRC(3) + SRC(4); \ const int a0 = s07 + s34; \ const int a1 = s16 + s25; \ const int a2 = s07 - s34; \ const int a3 = s16 - s25; \ const int d07 = SRC(0) - SRC(7); \ const int d16 = SRC(1) - SRC(6); \ const int d25 = SRC(2) - SRC(5); \ const int d34 = SRC(3) - SRC(4); \ const int a4 = d16 + d25 + (d07 + (d07 >> 1)); \ const int a5 = d07 - d34 - (d25 + (d25 >> 1)); \ const int a6 = d07 + d34 - (d16 + (d16 >> 1)); \ const int a7 = d16 - d25 + (d34 + (d34 >> 1)); \ DST(0, a0 + a1); \ DST(1, a4 + (a7 >> 2)); \ DST(2, a2 + (a3 >> 1)); \ DST(3, a5 + (a6 >> 2)); \ DST(4, a0 - a1); \ DST(5, a6 - (a5 >> 2)); \ DST(6, (a2 >> 1) - a3); \ DST(7, (a4 >> 2) - a7); \ } static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { int16_t dct[8][8]; int i, sum = 0; s->dsp.diff_pixels(dct[0], src1, src2, stride); #define SRC(x) dct[i][x] #define DST(x, v) dct[i][x] = v for (i = 0; i < 8; i++) DCT8_1D #undef SRC #undef DST #define SRC(x) dct[x][i] #define DST(x, v) sum += FFABS(v) for (i = 0; i < 8; i++) DCT8_1D #undef SRC #undef DST return sum; } #endif static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { LOCAL_ALIGNED_16(int16_t, temp, [64]); int sum = 0, i; av_assert2(h == 8); s->dsp.diff_pixels(temp, src1, src2, stride); s->dsp.fdct(temp); for (i = 0; i < 64; i++) sum = FFMAX(sum, FFABS(temp[i])); return sum; } static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]); int16_t *const bak = temp + 64; int sum = 0, i; av_assert2(h == 8); s->mb_intra = 0; s->dsp.diff_pixels(temp, src1, src2, stride); memcpy(bak, temp, 64 * sizeof(int16_t)); s->block_last_index[0 /* FIXME */] = s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); s->dct_unquantize_inter(s, temp, 0, s->qscale); ff_simple_idct_8(temp); // FIXME for (i = 0; i < 64; i++) sum += (temp[i] - bak[i]) * (temp[i] - bak[i]); return sum; } static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { const uint8_t *scantable = s->intra_scantable.permutated; LOCAL_ALIGNED_16(int16_t, temp, [64]); LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]); LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]); int i, last, run, bits, level, distortion, start_i; const int esc_length = s->ac_esc_length; uint8_t *length, *last_length; av_assert2(h == 8); copy_block8(lsrc1, src1, 8, stride, 8); copy_block8(lsrc2, src2, 8, stride, 8); s->dsp.diff_pixels(temp, lsrc1, lsrc2, 8); s->block_last_index[0 /* FIXME */] = last = s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); bits = 0; if (s->mb_intra) { start_i = 1; length = s->intra_ac_vlc_length; last_length = s->intra_ac_vlc_last_length; bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma } else { start_i = 0; length = s->inter_ac_vlc_length; last_length = s->inter_ac_vlc_last_length; } if (last >= start_i) { run = 0; for (i = start_i; i < last; i++) { int j = scantable[i]; level = temp[j]; if (level) { level += 64; if ((level & (~127)) == 0) bits += length[UNI_AC_ENC_INDEX(run, level)]; else bits += esc_length; run = 0; } else run++; } i = scantable[last]; level = temp[i] + 64; av_assert2(level - 64); if ((level & (~127)) == 0) { bits += last_length[UNI_AC_ENC_INDEX(run, level)]; } else bits += esc_length; } if (last >= 0) { if (s->mb_intra) s->dct_unquantize_intra(s, temp, 0, s->qscale); else s->dct_unquantize_inter(s, temp, 0, s->qscale); } s->dsp.idct_add(lsrc2, 8, temp); distortion = s->dsp.sse[1](NULL, lsrc2, lsrc1, 8, 8); return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7); } static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int stride, int h) { const uint8_t *scantable = s->intra_scantable.permutated; LOCAL_ALIGNED_16(int16_t, temp, [64]); int i, last, run, bits, level, start_i; const int esc_length = s->ac_esc_length; uint8_t *length, *last_length; av_assert2(h == 8); s->dsp.diff_pixels(temp, src1, src2, stride); s->block_last_index[0 /* FIXME */] = last = s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); bits = 0; if (s->mb_intra) { start_i = 1; length = s->intra_ac_vlc_length; last_length = s->intra_ac_vlc_last_length; bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma } else { start_i = 0; length = s->inter_ac_vlc_length; last_length = s->inter_ac_vlc_last_length; } if (last >= start_i) { run = 0; for (i = start_i; i < last; i++) { int j = scantable[i]; level = temp[j]; if (level) { level += 64; if ((level & (~127)) == 0) bits += length[UNI_AC_ENC_INDEX(run, level)]; else bits += esc_length; run = 0; } else run++; } i = scantable[last]; level = temp[i] + 64; av_assert2(level - 64); if ((level & (~127)) == 0) bits += last_length[UNI_AC_ENC_INDEX(run, level)]; else bits += esc_length; } return bits; } #define VSAD_INTRA(size) \ static int vsad_intra ## size ## _c(MpegEncContext *c, \ uint8_t *s, uint8_t *dummy, \ int stride, int h) \ { \ int score = 0, x, y; \ \ for (y = 1; y < h; y++) { \ for (x = 0; x < size; x += 4) { \ score += FFABS(s[x] - s[x + stride]) + \ FFABS(s[x + 1] - s[x + stride + 1]) + \ FFABS(s[x + 2] - s[x + 2 + stride]) + \ FFABS(s[x + 3] - s[x + 3 + stride]); \ } \ s += stride; \ } \ \ return score; \ } VSAD_INTRA(8) VSAD_INTRA(16) #define VSAD(size) \ static int vsad ## size ## _c(MpegEncContext *c, \ uint8_t *s1, uint8_t *s2, \ int stride, int h) \ { \ int score = 0, x, y; \ \ for (y = 1; y < h; y++) { \ for (x = 0; x < size; x++) \ score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \ s1 += stride; \ s2 += stride; \ } \ \ return score; \ } VSAD(8) VSAD(16) #define SQ(a) ((a) * (a)) #define VSSE_INTRA(size) \ static int vsse_intra ## size ## _c(MpegEncContext *c, \ uint8_t *s, uint8_t *dummy, \ int stride, int h) \ { \ int score = 0, x, y; \ \ for (y = 1; y < h; y++) { \ for (x = 0; x < size; x += 4) { \ score += SQ(s[x] - s[x + stride]) + \ SQ(s[x + 1] - s[x + stride + 1]) + \ SQ(s[x + 2] - s[x + stride + 2]) + \ SQ(s[x + 3] - s[x + stride + 3]); \ } \ s += stride; \ } \ \ return score; \ } VSSE_INTRA(8) VSSE_INTRA(16) #define VSSE(size) \ static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, \ int stride, int h) \ { \ int score = 0, x, y; \ \ for (y = 1; y < h; y++) { \ for (x = 0; x < size; x++) \ score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \ s1 += stride; \ s2 += stride; \ } \ \ return score; \ } VSSE(8) VSSE(16) #define WRAPPER8_16_SQ(name8, name16) \ static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \ int stride, int h) \ { \ int score = 0; \ \ score += name8(s, dst, src, stride, 8); \ score += name8(s, dst + 8, src + 8, stride, 8); \ if (h == 16) { \ dst += 8 * stride; \ src += 8 * stride; \ score += name8(s, dst, src, stride, 8); \ score += name8(s, dst + 8, src + 8, stride, 8); \ } \ return score; \ } WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c) WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c) WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c) #if CONFIG_GPL WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c) #endif WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c) WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c) WRAPPER8_16_SQ(rd8x8_c, rd16_c) WRAPPER8_16_SQ(bit8x8_c, bit16_c) static inline uint32_t clipf_c_one(uint32_t a, uint32_t mini, uint32_t maxi, uint32_t maxisign) { if (a > mini) return mini; else if ((a ^ (1U << 31)) > maxisign) return maxi; else return a; } static void vector_clipf_c_opposite_sign(float *dst, const float *src, float *min, float *max, int len) { int i; uint32_t mini = *(uint32_t *) min; uint32_t maxi = *(uint32_t *) max; uint32_t maxisign = maxi ^ (1U << 31); uint32_t *dsti = (uint32_t *) dst; const uint32_t *srci = (const uint32_t *) src; for (i = 0; i < len; i += 8) { dsti[i + 0] = clipf_c_one(srci[i + 0], mini, maxi, maxisign); dsti[i + 1] = clipf_c_one(srci[i + 1], mini, maxi, maxisign); dsti[i + 2] = clipf_c_one(srci[i + 2], mini, maxi, maxisign); dsti[i + 3] = clipf_c_one(srci[i + 3], mini, maxi, maxisign); dsti[i + 4] = clipf_c_one(srci[i + 4], mini, maxi, maxisign); dsti[i + 5] = clipf_c_one(srci[i + 5], mini, maxi, maxisign); dsti[i + 6] = clipf_c_one(srci[i + 6], mini, maxi, maxisign); dsti[i + 7] = clipf_c_one(srci[i + 7], mini, maxi, maxisign); } } static void vector_clipf_c(float *dst, const float *src, float min, float max, int len) { int i; if (min < 0 && max > 0) { vector_clipf_c_opposite_sign(dst, src, &min, &max, len); } else { for (i = 0; i < len; i += 8) { dst[i] = av_clipf(src[i], min, max); dst[i + 1] = av_clipf(src[i + 1], min, max); dst[i + 2] = av_clipf(src[i + 2], min, max); dst[i + 3] = av_clipf(src[i + 3], min, max); dst[i + 4] = av_clipf(src[i + 4], min, max); dst[i + 5] = av_clipf(src[i + 5], min, max); dst[i + 6] = av_clipf(src[i + 6], min, max); dst[i + 7] = av_clipf(src[i + 7], min, max); } } } static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2, int order) { int res = 0; while (order--) res += *v1++ **v2++; return res; } static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len) { do { *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); *dst++ = av_clip(*src++, min, max); len -= 8; } while (len > 0); } static void jref_idct_put(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct(block); put_pixels_clamped_c(block, dest, line_size); } static void jref_idct_add(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct(block); add_pixels_clamped_c(block, dest, line_size); } static void ff_jref_idct4_put(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct4 (block); put_pixels_clamped4_c(block, dest, line_size); } static void ff_jref_idct4_add(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct4 (block); add_pixels_clamped4_c(block, dest, line_size); } static void ff_jref_idct2_put(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct2 (block); put_pixels_clamped2_c(block, dest, line_size); } static void ff_jref_idct2_add(uint8_t *dest, int line_size, int16_t *block) { ff_j_rev_dct2 (block); add_pixels_clamped2_c(block, dest, line_size); } static void ff_jref_idct1_put(uint8_t *dest, int line_size, int16_t *block) { dest[0] = av_clip_uint8((block[0] + 4)>>3); } static void ff_jref_idct1_add(uint8_t *dest, int line_size, int16_t *block) { dest[0] = av_clip_uint8(dest[0] + ((block[0] + 4)>>3)); } /* draw the edges of width 'w' of an image of size width, height */ // FIXME: Check that this is OK for MPEG-4 interlaced. static void draw_edges_8_c(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides) { uint8_t *ptr = buf, *last_line; int i; /* left and right */ for (i = 0; i < height; i++) { memset(ptr - w, ptr[0], w); memset(ptr + width, ptr[width - 1], w); ptr += wrap; } /* top and bottom + corners */ buf -= w; last_line = buf + (height - 1) * wrap; if (sides & EDGE_TOP) for (i = 0; i < h; i++) // top memcpy(buf - (i + 1) * wrap, buf, width + w + w); if (sides & EDGE_BOTTOM) for (i = 0; i < h; i++) // bottom memcpy(last_line + (i + 1) * wrap, last_line, width + w + w); } static void clear_block_8_c(int16_t *block) { memset(block, 0, sizeof(int16_t) * 64); } static void clear_blocks_8_c(int16_t *blocks) { memset(blocks, 0, sizeof(int16_t) * 6 * 64); } /* init static data */ av_cold void ff_dsputil_static_init(void) { int i; for (i = 0; i < 512; i++) ff_square_tab[i] = (i - 256) * (i - 256); } int ff_check_alignment(void) { static int did_fail = 0; LOCAL_ALIGNED_16(int, aligned, [4]); if ((intptr_t)aligned & 15) { if (!did_fail) { #if HAVE_MMX || HAVE_ALTIVEC av_log(NULL, AV_LOG_ERROR, "Compiler did not align stack variables. Libavcodec has been miscompiled\n" "and may be very slow or crash. This is not a bug in libavcodec,\n" "but in the compiler. You may try recompiling using gcc >= 4.2.\n" "Do not report crashes to FFmpeg developers.\n"); #endif did_fail=1; } return -1; } return 0; } av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx) { const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; ff_check_alignment(); #if CONFIG_ENCODERS if (avctx->bits_per_raw_sample == 10) { c->fdct = ff_jpeg_fdct_islow_10; c->fdct248 = ff_fdct248_islow_10; } else { if (avctx->dct_algo == FF_DCT_FASTINT) { c->fdct = ff_fdct_ifast; c->fdct248 = ff_fdct_ifast248; } else if (avctx->dct_algo == FF_DCT_FAAN) { c->fdct = ff_faandct; c->fdct248 = ff_faandct248; } else { c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default c->fdct248 = ff_fdct248_islow_8; } } #endif /* CONFIG_ENCODERS */ if (avctx->lowres==1) { c->idct_put = ff_jref_idct4_put; c->idct_add = ff_jref_idct4_add; c->idct = ff_j_rev_dct4; c->idct_permutation_type = FF_NO_IDCT_PERM; } else if (avctx->lowres==2) { c->idct_put = ff_jref_idct2_put; c->idct_add = ff_jref_idct2_add; c->idct = ff_j_rev_dct2; c->idct_permutation_type = FF_NO_IDCT_PERM; } else if (avctx->lowres==3) { c->idct_put = ff_jref_idct1_put; c->idct_add = ff_jref_idct1_add; c->idct = ff_j_rev_dct1; c->idct_permutation_type = FF_NO_IDCT_PERM; } else { if (avctx->bits_per_raw_sample == 10) { c->idct_put = ff_simple_idct_put_10; c->idct_add = ff_simple_idct_add_10; c->idct = ff_simple_idct_10; c->idct_permutation_type = FF_NO_IDCT_PERM; } else if (avctx->bits_per_raw_sample == 12) { c->idct_put = ff_simple_idct_put_12; c->idct_add = ff_simple_idct_add_12; c->idct = ff_simple_idct_12; c->idct_permutation_type = FF_NO_IDCT_PERM; } else { if (avctx->idct_algo == FF_IDCT_INT) { c->idct_put = jref_idct_put; c->idct_add = jref_idct_add; c->idct = ff_j_rev_dct; c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM; } else if (avctx->idct_algo == FF_IDCT_FAAN) { c->idct_put = ff_faanidct_put; c->idct_add = ff_faanidct_add; c->idct = ff_faanidct; c->idct_permutation_type = FF_NO_IDCT_PERM; } else { // accurate/default c->idct_put = ff_simple_idct_put_8; c->idct_add = ff_simple_idct_add_8; c->idct = ff_simple_idct_8; c->idct_permutation_type = FF_NO_IDCT_PERM; } } } c->diff_pixels = diff_pixels_c; c->put_pixels_clamped = put_pixels_clamped_c; c->put_signed_pixels_clamped = put_signed_pixels_clamped_c; c->add_pixels_clamped = add_pixels_clamped_c; c->sum_abs_dctelem = sum_abs_dctelem_c; c->gmc1 = gmc1_c; c->gmc = ff_gmc_c; c->pix_sum = pix_sum_c; c->pix_norm1 = pix_norm1_c; c->fill_block_tab[0] = fill_block16_c; c->fill_block_tab[1] = fill_block8_c; /* TODO [0] 16 [1] 8 */ c->pix_abs[0][0] = pix_abs16_c; c->pix_abs[0][1] = pix_abs16_x2_c; c->pix_abs[0][2] = pix_abs16_y2_c; c->pix_abs[0][3] = pix_abs16_xy2_c; c->pix_abs[1][0] = pix_abs8_c; c->pix_abs[1][1] = pix_abs8_x2_c; c->pix_abs[1][2] = pix_abs8_y2_c; c->pix_abs[1][3] = pix_abs8_xy2_c; #define SET_CMP_FUNC(name) \ c->name[0] = name ## 16_c; \ c->name[1] = name ## 8x8_c; SET_CMP_FUNC(hadamard8_diff) c->hadamard8_diff[4] = hadamard8_intra16_c; c->hadamard8_diff[5] = hadamard8_intra8x8_c; SET_CMP_FUNC(dct_sad) SET_CMP_FUNC(dct_max) #if CONFIG_GPL SET_CMP_FUNC(dct264_sad) #endif c->sad[0] = pix_abs16_c; c->sad[1] = pix_abs8_c; c->sse[0] = sse16_c; c->sse[1] = sse8_c; c->sse[2] = sse4_c; SET_CMP_FUNC(quant_psnr) SET_CMP_FUNC(rd) SET_CMP_FUNC(bit) c->vsad[0] = vsad16_c; c->vsad[1] = vsad8_c; c->vsad[4] = vsad_intra16_c; c->vsad[5] = vsad_intra8_c; c->vsse[0] = vsse16_c; c->vsse[1] = vsse8_c; c->vsse[4] = vsse_intra16_c; c->vsse[5] = vsse_intra8_c; c->nsse[0] = nsse16_c; c->nsse[1] = nsse8_c; #if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER ff_dsputil_init_dwt(c); #endif c->bswap_buf = bswap_buf; c->bswap16_buf = bswap16_buf; c->try_8x8basis = try_8x8basis_c; c->add_8x8basis = add_8x8basis_c; c->scalarproduct_int16 = scalarproduct_int16_c; c->vector_clip_int32 = vector_clip_int32_c; c->vector_clipf = vector_clipf_c; c->shrink[0] = av_image_copy_plane; c->shrink[1] = ff_shrink22; c->shrink[2] = ff_shrink44; c->shrink[3] = ff_shrink88; c->draw_edges = draw_edges_8_c; c->clear_block = clear_block_8_c; c->clear_blocks = clear_blocks_8_c; switch (avctx->bits_per_raw_sample) { case 9: case 10: case 12: case 14: c->get_pixels = get_pixels_16_c; break; default: if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) { c->get_pixels = get_pixels_8_c; } break; } if (ARCH_ALPHA) ff_dsputil_init_alpha(c, avctx); if (ARCH_ARM) ff_dsputil_init_arm(c, avctx, high_bit_depth); if (ARCH_BFIN) ff_dsputil_init_bfin(c, avctx, high_bit_depth); if (ARCH_PPC) ff_dsputil_init_ppc(c, avctx, high_bit_depth); if (ARCH_X86) ff_dsputil_init_x86(c, avctx, high_bit_depth); ff_init_scantable_permutation(c->idct_permutation, c->idct_permutation_type); } av_cold void dsputil_init(DSPContext* c, AVCodecContext *avctx) { ff_dsputil_init(c, avctx); } av_cold void avpriv_dsputil_init(DSPContext *c, AVCodecContext *avctx) { ff_dsputil_init(c, avctx); }