X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvc1dsp.c;h=571309b40d5f3da7ac2208802a7d95eaa1a3ec58;hb=012c4511539f9f8e252c49d08c7e528973a22193;hp=3effbb7743b860094104177fb71c123cba10d891;hpb=6cecd63005b29a1dc3a5104e6ac85fd112705122;p=ffmpeg diff --git a/libavcodec/vc1dsp.c b/libavcodec/vc1dsp.c index 3effbb7743b..571309b40d5 100644 --- a/libavcodec/vc1dsp.c +++ b/libavcodec/vc1dsp.c @@ -2,108 +2,283 @@ * VC-1 and WMV3 decoder - DSP functions * Copyright (c) 2006 Konstantin Shishkov * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * 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. * - * FFmpeg is distributed in the hope that it will be useful, + * 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** -* @file libavcodec/vc1dsp.c + * @file * VC-1 and WMV3 decoder - * */ -#include "dsputil.h" - +#include "libavutil/common.h" +#include "h264chroma.h" +#include "qpeldsp.h" +#include "vc1dsp.h" +#include "startcode.h" -/** Apply overlap transform to horizontal edge -*/ -static void vc1_v_overlap_c(uint8_t* src, int stride) +/* Apply overlap transform to horizontal edge */ +static void vc1_v_overlap_c(uint8_t *src, int stride) { int i; int a, b, c, d; int d1, d2; int rnd = 1; - for(i = 0; i < 8; i++) { - a = src[-2*stride]; - b = src[-stride]; - c = src[0]; - d = src[stride]; + for (i = 0; i < 8; i++) { + a = src[-2 * stride]; + b = src[-stride]; + c = src[0]; + d = src[stride]; d1 = (a - d + 3 + rnd) >> 3; d2 = (a - d + b - c + 4 - rnd) >> 3; - src[-2*stride] = a - d1; - src[-stride] = av_clip_uint8(b - d2); - src[0] = av_clip_uint8(c + d2); - src[stride] = d + d1; + src[-2 * stride] = a - d1; + src[-stride] = av_clip_uint8(b - d2); + src[0] = av_clip_uint8(c + d2); + src[stride] = d + d1; src++; rnd = !rnd; } } -/** Apply overlap transform to vertical edge -*/ -static void vc1_h_overlap_c(uint8_t* src, int stride) +/* Apply overlap transform to vertical edge */ +static void vc1_h_overlap_c(uint8_t *src, int stride) { int i; int a, b, c, d; int d1, d2; int rnd = 1; - for(i = 0; i < 8; i++) { - a = src[-2]; - b = src[-1]; - c = src[0]; - d = src[1]; + for (i = 0; i < 8; i++) { + a = src[-2]; + b = src[-1]; + c = src[0]; + d = src[1]; d1 = (a - d + 3 + rnd) >> 3; d2 = (a - d + b - c + 4 - rnd) >> 3; src[-2] = a - d1; src[-1] = av_clip_uint8(b - d2); - src[0] = av_clip_uint8(c + d2); - src[1] = d + d1; - src += stride; - rnd = !rnd; + src[0] = av_clip_uint8(c + d2); + src[1] = d + d1; + src += stride; + rnd = !rnd; + } +} + +static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom) +{ + int i; + int a, b, c, d; + int d1, d2; + int rnd1 = 4, rnd2 = 3; + for (i = 0; i < 8; i++) { + a = top[48]; + b = top[56]; + c = bottom[0]; + d = bottom[8]; + d1 = a - d; + d2 = a - d + b - c; + + top[48] = ((a << 3) - d1 + rnd1) >> 3; + top[56] = ((b << 3) - d2 + rnd2) >> 3; + bottom[0] = ((c << 3) + d2 + rnd1) >> 3; + bottom[8] = ((d << 3) + d1 + rnd2) >> 3; + + bottom++; + top++; + rnd2 = 7 - rnd2; + rnd1 = 7 - rnd1; } } +static void vc1_h_s_overlap_c(int16_t *left, int16_t *right) +{ + int i; + int a, b, c, d; + int d1, d2; + int rnd1 = 4, rnd2 = 3; + for (i = 0; i < 8; i++) { + a = left[6]; + b = left[7]; + c = right[0]; + d = right[1]; + d1 = a - d; + d2 = a - d + b - c; + + left[6] = ((a << 3) - d1 + rnd1) >> 3; + left[7] = ((b << 3) - d2 + rnd2) >> 3; + right[0] = ((c << 3) + d2 + rnd1) >> 3; + right[1] = ((d << 3) + d1 + rnd2) >> 3; + + right += 8; + left += 8; + rnd2 = 7 - rnd2; + rnd1 = 7 - rnd1; + } +} + +/** + * VC-1 in-loop deblocking filter for one line + * @param src source block type + * @param stride block stride + * @param pq block quantizer + * @return whether other 3 pairs should be filtered or not + * @see 8.6 + */ +static av_always_inline int vc1_filter_line(uint8_t *src, int stride, int pq) +{ + int a0 = (2 * (src[-2 * stride] - src[1 * stride]) - + 5 * (src[-1 * stride] - src[0 * stride]) + 4) >> 3; + int a0_sign = a0 >> 31; /* Store sign */ + + a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */ + if (a0 < pq) { + int a1 = FFABS((2 * (src[-4 * stride] - src[-1 * stride]) - + 5 * (src[-3 * stride] - src[-2 * stride]) + 4) >> 3); + int a2 = FFABS((2 * (src[ 0 * stride] - src[ 3 * stride]) - + 5 * (src[ 1 * stride] - src[ 2 * stride]) + 4) >> 3); + if (a1 < a0 || a2 < a0) { + int clip = src[-1 * stride] - src[0 * stride]; + int clip_sign = clip >> 31; + + clip = ((clip ^ clip_sign) - clip_sign) >> 1; + if (clip) { + int a3 = FFMIN(a1, a2); + int d = 5 * (a3 - a0); + int d_sign = (d >> 31); + + d = ((d ^ d_sign) - d_sign) >> 3; + d_sign ^= a0_sign; + + if (d_sign ^ clip_sign) + d = 0; + else { + d = FFMIN(d, clip); + d = (d ^ d_sign) - d_sign; /* Restore sign */ + src[-1 * stride] = av_clip_uint8(src[-1 * stride] - d); + src[ 0 * stride] = av_clip_uint8(src[ 0 * stride] + d); + } + return 1; + } + } + } + return 0; +} -/** Do inverse transform on 8x8 block -*/ -static void vc1_inv_trans_8x8_c(DCTELEM block[64]) +/** + * VC-1 in-loop deblocking filter + * @param src source block type + * @param step distance between horizontally adjacent elements + * @param stride distance between vertically adjacent elements + * @param len edge length to filter (4 or 8 pixels) + * @param pq block quantizer + * @see 8.6 + */ +static inline void vc1_loop_filter(uint8_t *src, int step, int stride, + int len, int pq) { int i; - register int t1,t2,t3,t4,t5,t6,t7,t8; - DCTELEM *src, *dst; + int filt3; + + for (i = 0; i < len; i += 4) { + filt3 = vc1_filter_line(src + 2 * step, stride, pq); + if (filt3) { + vc1_filter_line(src + 0 * step, stride, pq); + vc1_filter_line(src + 1 * step, stride, pq); + vc1_filter_line(src + 3 * step, stride, pq); + } + src += step * 4; + } +} + +static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, 1, stride, 4, pq); +} + +static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, stride, 1, 4, pq); +} + +static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, 1, stride, 8, pq); +} + +static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, stride, 1, 8, pq); +} + +static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, 1, stride, 16, pq); +} + +static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq) +{ + vc1_loop_filter(src, stride, 1, 16, pq); +} + +/* Do inverse transform on 8x8 block */ +static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) +{ + int i; + int dc = block[0]; + + dc = (3 * dc + 1) >> 1; + dc = (3 * dc + 16) >> 5; + + for (i = 0; i < 8; i++) { + dest[0] = av_clip_uint8(dest[0] + dc); + dest[1] = av_clip_uint8(dest[1] + dc); + dest[2] = av_clip_uint8(dest[2] + dc); + dest[3] = av_clip_uint8(dest[3] + dc); + dest[4] = av_clip_uint8(dest[4] + dc); + dest[5] = av_clip_uint8(dest[5] + dc); + dest[6] = av_clip_uint8(dest[6] + dc); + dest[7] = av_clip_uint8(dest[7] + dc); + dest += stride; + } +} + +static void vc1_inv_trans_8x8_c(int16_t block[64]) +{ + int i; + register int t1, t2, t3, t4, t5, t6, t7, t8; + int16_t *src, *dst, temp[64]; src = block; - dst = block; - for(i = 0; i < 8; i++){ - t1 = 12 * (src[0] + src[4]) + 4; - t2 = 12 * (src[0] - src[4]) + 4; - t3 = 16 * src[2] + 6 * src[6]; - t4 = 6 * src[2] - 16 * src[6]; + dst = temp; + for (i = 0; i < 8; i++) { + t1 = 12 * (src[ 0] + src[32]) + 4; + t2 = 12 * (src[ 0] - src[32]) + 4; + t3 = 16 * src[16] + 6 * src[48]; + t4 = 6 * src[16] - 16 * src[48]; t5 = t1 + t3; t6 = t2 + t4; t7 = t2 - t4; t8 = t1 - t3; - t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7]; - t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7]; - t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7]; - t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7]; + t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; + t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; + t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; + t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; dst[0] = (t5 + t1) >> 3; dst[1] = (t6 + t2) >> 3; @@ -114,13 +289,13 @@ static void vc1_inv_trans_8x8_c(DCTELEM block[64]) dst[6] = (t6 - t2) >> 3; dst[7] = (t5 - t1) >> 3; - src += 8; + src += 1; dst += 8; } - src = block; + src = temp; dst = block; - for(i = 0; i < 8; i++){ + for (i = 0; i < 8; i++) { t1 = 12 * (src[ 0] + src[32]) + 64; t2 = 12 * (src[ 0] - src[32]) + 64; t3 = 16 * src[16] + 6 * src[48]; @@ -150,18 +325,38 @@ static void vc1_inv_trans_8x8_c(DCTELEM block[64]) } } -/** Do inverse transform on 8x4 part of block -*/ -static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block) +/* Do inverse transform on 8x4 part of block */ +static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) +{ + int i; + int dc = block[0]; + + dc = (3 * dc + 1) >> 1; + dc = (17 * dc + 64) >> 7; + + for (i = 0; i < 4; i++) { + dest[0] = av_clip_uint8(dest[0] + dc); + dest[1] = av_clip_uint8(dest[1] + dc); + dest[2] = av_clip_uint8(dest[2] + dc); + dest[3] = av_clip_uint8(dest[3] + dc); + dest[4] = av_clip_uint8(dest[4] + dc); + dest[5] = av_clip_uint8(dest[5] + dc); + dest[6] = av_clip_uint8(dest[6] + dc); + dest[7] = av_clip_uint8(dest[7] + dc); + dest += stride; + } +} + +static void vc1_inv_trans_8x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) { int i; - register int t1,t2,t3,t4,t5,t6,t7,t8; - DCTELEM *src, *dst; - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; + register int t1, t2, t3, t4, t5, t6, t7, t8; + int16_t *src, *dst; src = block; dst = block; - for(i = 0; i < 4; i++){ + + for (i = 0; i < 4; i++) { t1 = 12 * (src[0] + src[4]) + 4; t2 = 12 * (src[0] - src[4]) + 4; t3 = 16 * src[2] + 6 * src[6]; @@ -191,34 +386,50 @@ static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block) } src = block; - for(i = 0; i < 8; i++){ + for (i = 0; i < 8; i++) { t1 = 17 * (src[ 0] + src[16]) + 64; t2 = 17 * (src[ 0] - src[16]) + 64; t3 = 22 * src[ 8] + 10 * src[24]; t4 = 22 * src[24] - 10 * src[ 8]; - dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; - dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; - dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; - dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; + dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t1 + t3) >> 7)); + dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t2 - t4) >> 7)); + dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t2 + t4) >> 7)); + dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t1 - t3) >> 7)); - src ++; + src++; dest++; } } -/** Do inverse transform on 4x8 parts of block -*/ -static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) +/* Do inverse transform on 4x8 parts of block */ +static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) +{ + int i; + int dc = block[0]; + + dc = (17 * dc + 4) >> 3; + dc = (12 * dc + 64) >> 7; + + for (i = 0; i < 8; i++) { + dest[0] = av_clip_uint8(dest[0] + dc); + dest[1] = av_clip_uint8(dest[1] + dc); + dest[2] = av_clip_uint8(dest[2] + dc); + dest[3] = av_clip_uint8(dest[3] + dc); + dest += stride; + } +} + +static void vc1_inv_trans_4x8_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) { int i; - register int t1,t2,t3,t4,t5,t6,t7,t8; - DCTELEM *src, *dst; - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; + register int t1, t2, t3, t4, t5, t6, t7, t8; + int16_t *src, *dst; src = block; dst = block; - for(i = 0; i < 8; i++){ + + for (i = 0; i < 8; i++) { t1 = 17 * (src[0] + src[2]) + 4; t2 = 17 * (src[0] - src[2]) + 4; t3 = 22 * src[1] + 10 * src[3]; @@ -234,7 +445,7 @@ static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) } src = block; - for(i = 0; i < 4; i++){ + for (i = 0; i < 4; i++) { t1 = 12 * (src[ 0] + src[32]) + 64; t2 = 12 * (src[ 0] - src[32]) + 64; t3 = 16 * src[16] + 6 * src[48]; @@ -250,32 +461,47 @@ static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; - dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)]; - dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)]; - dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)]; - dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)]; - dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)]; - dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)]; - dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)]; - dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)]; + dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t5 + t1) >> 7)); + dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t6 + t2) >> 7)); + dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t7 + t3) >> 7)); + dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t8 + t4) >> 7)); + dest[4 * stride] = av_clip_uint8(dest[4 * stride] + ((t8 - t4 + 1) >> 7)); + dest[5 * stride] = av_clip_uint8(dest[5 * stride] + ((t7 - t3 + 1) >> 7)); + dest[6 * stride] = av_clip_uint8(dest[6 * stride] + ((t6 - t2 + 1) >> 7)); + dest[7 * stride] = av_clip_uint8(dest[7 * stride] + ((t5 - t1 + 1) >> 7)); - src ++; + src++; dest++; } } -/** Do inverse transform on 4x4 part of block -*/ -static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) +/* Do inverse transform on 4x4 part of block */ +static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) { int i; - register int t1,t2,t3,t4; - DCTELEM *src, *dst; - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; + int dc = block[0]; + + dc = (17 * dc + 4) >> 3; + dc = (17 * dc + 64) >> 7; + + for (i = 0; i < 4; i++) { + dest[0] = av_clip_uint8(dest[0] + dc); + dest[1] = av_clip_uint8(dest[1] + dc); + dest[2] = av_clip_uint8(dest[2] + dc); + dest[3] = av_clip_uint8(dest[3] + dc); + dest += stride; + } +} + +static void vc1_inv_trans_4x4_c(uint8_t *dest, ptrdiff_t stride, int16_t *block) +{ + int i; + register int t1, t2, t3, t4; + int16_t *src, *dst; src = block; dst = block; - for(i = 0; i < 4; i++){ + for (i = 0; i < 4; i++) { t1 = 17 * (src[0] + src[2]) + 4; t2 = 17 * (src[0] - src[2]) + 4; t3 = 22 * src[1] + 10 * src[3]; @@ -291,117 +517,128 @@ static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) } src = block; - for(i = 0; i < 4; i++){ - t1 = 17 * (src[ 0] + src[16]) + 64; - t2 = 17 * (src[ 0] - src[16]) + 64; - t3 = 22 * src[ 8] + 10 * src[24]; - t4 = 22 * src[24] - 10 * src[ 8]; + for (i = 0; i < 4; i++) { + t1 = 17 * (src[0] + src[16]) + 64; + t2 = 17 * (src[0] - src[16]) + 64; + t3 = 22 * src[8] + 10 * src[24]; + t4 = 22 * src[24] - 10 * src[8]; - dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; - dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; - dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; - dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; + dest[0 * stride] = av_clip_uint8(dest[0 * stride] + ((t1 + t3) >> 7)); + dest[1 * stride] = av_clip_uint8(dest[1 * stride] + ((t2 - t4) >> 7)); + dest[2 * stride] = av_clip_uint8(dest[2 * stride] + ((t2 + t4) >> 7)); + dest[3 * stride] = av_clip_uint8(dest[3 * stride] + ((t1 - t3) >> 7)); - src ++; + src++; dest++; } } /* motion compensation functions */ -/** Filter in case of 2 filters */ -#define VC1_MSPEL_FILTER_16B(DIR, TYPE) \ -static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \ -{ \ - switch(mode){ \ - case 0: /* no shift - should not occur */ \ - return 0; \ - case 1: /* 1/4 shift */ \ - return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \ - case 2: /* 1/2 shift */ \ - return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \ - case 3: /* 3/4 shift */ \ - return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \ - } \ - return 0; /* should not occur */ \ -} - -VC1_MSPEL_FILTER_16B(ver, uint8_t); -VC1_MSPEL_FILTER_16B(hor, int16_t); - - -/** Filter used to interpolate fractional pel values - */ -static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r) + +/* Filter in case of 2 filters */ +#define VC1_MSPEL_FILTER_16B(DIR, TYPE) \ +static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \ + int stride, \ + int mode) \ +{ \ + switch(mode) { \ + case 0: /* no shift - should not occur */ \ + return 0; \ + case 1: /* 1/4 shift */ \ + return -4 * src[-stride] + 53 * src[0] + \ + 18 * src[stride] - 3 * src[stride * 2]; \ + case 2: /* 1/2 shift */ \ + return -1 * src[-stride] + 9 * src[0] + \ + 9 * src[stride] - 1 * src[stride * 2]; \ + case 3: /* 3/4 shift */ \ + return -3 * src[-stride] + 18 * src[0] + \ + 53 * src[stride] - 4 * src[stride * 2]; \ + } \ + return 0; /* should not occur */ \ +} + +VC1_MSPEL_FILTER_16B(ver, uint8_t) +VC1_MSPEL_FILTER_16B(hor, int16_t) + +/* Filter used to interpolate fractional pel values */ +static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, + int mode, int r) { - switch(mode){ - case 0: //no shift + switch (mode) { + case 0: // no shift return src[0]; case 1: // 1/4 shift - return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6; + return (-4 * src[-stride] + 53 * src[0] + + 18 * src[stride] - 3 * src[stride * 2] + 32 - r) >> 6; case 2: // 1/2 shift - return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4; + return (-1 * src[-stride] + 9 * src[0] + + 9 * src[stride] - 1 * src[stride * 2] + 8 - r) >> 4; case 3: // 3/4 shift - return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6; + return (-3 * src[-stride] + 18 * src[0] + + 53 * src[stride] - 4 * src[stride * 2] + 32 - r) >> 6; } - return 0; //should not occur + return 0; // should not occur } -/** Function used to do motion compensation with bicubic interpolation - */ -#define VC1_MSPEL_MC(OP, OPNAME)\ -static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\ -{\ - int i, j;\ -\ - if (vmode) { /* Horizontal filter to apply */\ - int r;\ -\ - if (hmode) { /* Vertical filter to apply, output to tmp */\ - static const int shift_value[] = { 0, 5, 1, 5 };\ - int shift = (shift_value[hmode]+shift_value[vmode])>>1;\ - int16_t tmp[11*8], *tptr = tmp;\ -\ - r = (1<<(shift-1)) + rnd-1;\ -\ - src -= 1;\ - for(j = 0; j < 8; j++) {\ - for(i = 0; i < 11; i++)\ - tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\ - src += stride;\ - tptr += 11;\ - }\ -\ - r = 64-rnd;\ - tptr = tmp+1;\ - for(j = 0; j < 8; j++) {\ - for(i = 0; i < 8; i++)\ - OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\ - dst += stride;\ - tptr += 11;\ - }\ -\ - return;\ - }\ - else { /* No horizontal filter, output 8 lines to dst */\ - r = 1-rnd;\ -\ - for(j = 0; j < 8; j++) {\ - for(i = 0; i < 8; i++)\ - OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\ - src += stride;\ - dst += stride;\ - }\ - return;\ - }\ - }\ -\ - /* Horizontal mode with no vertical mode */\ - for(j = 0; j < 8; j++) {\ - for(i = 0; i < 8; i++)\ - OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\ - dst += stride;\ - src += stride;\ - }\ +/* Function used to do motion compensation with bicubic interpolation */ +#define VC1_MSPEL_MC(OP, OPNAME) \ +static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, \ + const uint8_t *src, \ + int stride, \ + int hmode, \ + int vmode, \ + int rnd) \ +{ \ + int i, j; \ + \ + if (vmode) { /* Horizontal filter to apply */ \ + int r; \ + \ + if (hmode) { /* Vertical filter to apply, output to tmp */ \ + static const int shift_value[] = { 0, 5, 1, 5 }; \ + int shift = (shift_value[hmode] + shift_value[vmode]) >> 1; \ + int16_t tmp[11 * 8], *tptr = tmp; \ + \ + r = (1 << (shift - 1)) + rnd - 1; \ + \ + src -= 1; \ + for (j = 0; j < 8; j++) { \ + for (i = 0; i < 11; i++) \ + tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode) + r) >> shift; \ + src += stride; \ + tptr += 11; \ + } \ + \ + r = 64 - rnd; \ + tptr = tmp + 1; \ + for (j = 0; j < 8; j++) { \ + for (i = 0; i < 8; i++) \ + OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode) + r) >> 7); \ + dst += stride; \ + tptr += 11; \ + } \ + \ + return; \ + } else { /* No horizontal filter, output 8 lines to dst */ \ + r = 1 - rnd; \ + \ + for (j = 0; j < 8; j++) { \ + for (i = 0; i < 8; i++) \ + OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r)); \ + src += stride; \ + dst += stride; \ + } \ + return; \ + } \ + } \ + \ + /* Horizontal mode with no vertical mode */ \ + for (j = 0; j < 8; j++) { \ + for (i = 0; i < 8; i++) \ + OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd)); \ + dst += stride; \ + src += stride; \ + } \ } #define op_put(a, b) a = av_clip_uint8(b) @@ -412,16 +649,18 @@ VC1_MSPEL_MC(op_avg, avg_) /* pixel functions - really are entry points to vc1_mspel_mc */ -/* this one is defined in dsputil.c */ -void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd); -void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd); - -#define PUT_VC1_MSPEL(a, b)\ -static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ - put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ -}\ -static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ - avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ +#define PUT_VC1_MSPEL(a, b) \ +static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \ + const uint8_t *src, \ + ptrdiff_t stride, int rnd) \ +{ \ + put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ +} \ +static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \ + const uint8_t *src, \ + ptrdiff_t stride, int rnd) \ +{ \ + avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ } PUT_VC1_MSPEL(1, 0) @@ -443,24 +682,235 @@ PUT_VC1_MSPEL(1, 3) PUT_VC1_MSPEL(2, 3) PUT_VC1_MSPEL(3, 3) -void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) { - dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c; - dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c; - dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c; - dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c; - dsp->vc1_h_overlap = vc1_h_overlap_c; - dsp->vc1_v_overlap = vc1_v_overlap_c; - - dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_c; - dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c; - dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c; - dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c; - dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c; - dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c; - dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c; - dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c; - dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c; - dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c; + +static void put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, + ptrdiff_t stride, int rnd) +{ + ff_put_pixels8x8_c(dst, src, stride); +} + +static void avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, + ptrdiff_t stride, int rnd) +{ + ff_avg_pixels8x8_c(dst, src, stride); +} + +#define chroma_mc(a) \ + ((A * src[a] + B * src[a + 1] + \ + C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6) +static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */, + uint8_t *src /* align 1 */, + ptrdiff_t stride, int h, int x, int y) +{ + const int A = (8 - x) * (8 - y); + const int B = (x) * (8 - y); + const int C = (8 - x) * (y); + const int D = (x) * (y); + int i; + + assert(x < 8 && y < 8 && x >= 0 && y >= 0); + + for (i = 0; i < h; i++) { + dst[0] = chroma_mc(0); + dst[1] = chroma_mc(1); + dst[2] = chroma_mc(2); + dst[3] = chroma_mc(3); + dst[4] = chroma_mc(4); + dst[5] = chroma_mc(5); + dst[6] = chroma_mc(6); + dst[7] = chroma_mc(7); + dst += stride; + src += stride; + } +} + +static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, + ptrdiff_t stride, int h, int x, int y) +{ + const int A = (8 - x) * (8 - y); + const int B = (x) * (8 - y); + const int C = (8 - x) * (y); + const int D = (x) * (y); + int i; + + assert(x < 8 && y < 8 && x >= 0 && y >= 0); + + for (i = 0; i < h; i++) { + dst[0] = chroma_mc(0); + dst[1] = chroma_mc(1); + dst[2] = chroma_mc(2); + dst[3] = chroma_mc(3); + dst += stride; + src += stride; + } +} + +#define avg2(a, b) (((a) + (b) + 1) >> 1) +static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */, + uint8_t *src /* align 1 */, + ptrdiff_t stride, int h, int x, int y) +{ + const int A = (8 - x) * (8 - y); + const int B = (x) * (8 - y); + const int C = (8 - x) * (y); + const int D = (x) * (y); + int i; + + assert(x < 8 && y < 8 && x >= 0 && y >= 0); + + for (i = 0; i < h; i++) { + dst[0] = avg2(dst[0], chroma_mc(0)); + dst[1] = avg2(dst[1], chroma_mc(1)); + dst[2] = avg2(dst[2], chroma_mc(2)); + dst[3] = avg2(dst[3], chroma_mc(3)); + dst[4] = avg2(dst[4], chroma_mc(4)); + dst[5] = avg2(dst[5], chroma_mc(5)); + dst[6] = avg2(dst[6], chroma_mc(6)); + dst[7] = avg2(dst[7], chroma_mc(7)); + dst += stride; + src += stride; + } +} + +static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst /* align 8 */, + uint8_t *src /* align 1 */, + ptrdiff_t stride, int h, int x, int y) +{ + const int A = (8 - x) * (8 - y); + const int B = ( x) * (8 - y); + const int C = (8 - x) * ( y); + const int D = ( x) * ( y); + int i; + + assert(x < 8 && y < 8 && x >= 0 && y >= 0); + + for (i = 0; i < h; i++) { + dst[0] = avg2(dst[0], chroma_mc(0)); + dst[1] = avg2(dst[1], chroma_mc(1)); + dst[2] = avg2(dst[2], chroma_mc(2)); + dst[3] = avg2(dst[3], chroma_mc(3)); + dst += stride; + src += stride; + } +} + +#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER + +static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset, + int advance, int count) +{ + while (count--) { + int a = src[(offset >> 16)]; + int b = src[(offset >> 16) + 1]; + *dst++ = a + ((b - a) * (offset & 0xFFFF) >> 16); + offset += advance; + } +} + +static av_always_inline void sprite_v_template(uint8_t *dst, + const uint8_t *src1a, + const uint8_t *src1b, + int offset1, + int two_sprites, + const uint8_t *src2a, + const uint8_t *src2b, + int offset2, + int alpha, int scaled, + int width) +{ + int a1, b1, a2, b2; + while (width--) { + a1 = *src1a++; + if (scaled) { + b1 = *src1b++; + a1 = a1 + ((b1 - a1) * offset1 >> 16); + } + if (two_sprites) { + a2 = *src2a++; + if (scaled > 1) { + b2 = *src2b++; + a2 = a2 + ((b2 - a2) * offset2 >> 16); + } + a1 = a1 + ((a2 - a1) * alpha >> 16); + } + *dst++ = a1; + } +} + +static void sprite_v_single_c(uint8_t *dst, const uint8_t *src1a, + const uint8_t *src1b, + int offset, int width) +{ + sprite_v_template(dst, src1a, src1b, offset, 0, NULL, NULL, 0, 0, 1, width); +} + +static void sprite_v_double_noscale_c(uint8_t *dst, const uint8_t *src1a, + const uint8_t *src2a, + int alpha, int width) +{ + sprite_v_template(dst, src1a, NULL, 0, 1, src2a, NULL, 0, alpha, 0, width); +} + +static void sprite_v_double_onescale_c(uint8_t *dst, + const uint8_t *src1a, + const uint8_t *src1b, + int offset1, + const uint8_t *src2a, + int alpha, int width) +{ + sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, NULL, 0, alpha, 1, + width); +} + +static void sprite_v_double_twoscale_c(uint8_t *dst, + const uint8_t *src1a, + const uint8_t *src1b, + int offset1, + const uint8_t *src2a, + const uint8_t *src2b, + int offset2, + int alpha, + int width) +{ + sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2, + alpha, 2, width); +} + +#endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */ + +av_cold void ff_vc1dsp_init(VC1DSPContext *dsp) +{ + dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c; + dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c; + dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c; + dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c; + dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_c; + dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_c; + dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_c; + dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_c; + + dsp->vc1_h_overlap = vc1_h_overlap_c; + dsp->vc1_v_overlap = vc1_v_overlap_c; + dsp->vc1_h_s_overlap = vc1_h_s_overlap_c; + dsp->vc1_v_s_overlap = vc1_v_s_overlap_c; + + dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c; + dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c; + dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c; + dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c; + dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c; + dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c; + + dsp->put_vc1_mspel_pixels_tab[0] = put_vc1_mspel_mc00_c; + dsp->put_vc1_mspel_pixels_tab[1] = put_vc1_mspel_mc10_c; + dsp->put_vc1_mspel_pixels_tab[2] = put_vc1_mspel_mc20_c; + dsp->put_vc1_mspel_pixels_tab[3] = put_vc1_mspel_mc30_c; + dsp->put_vc1_mspel_pixels_tab[4] = put_vc1_mspel_mc01_c; + dsp->put_vc1_mspel_pixels_tab[5] = put_vc1_mspel_mc11_c; + dsp->put_vc1_mspel_pixels_tab[6] = put_vc1_mspel_mc21_c; + dsp->put_vc1_mspel_pixels_tab[7] = put_vc1_mspel_mc31_c; + dsp->put_vc1_mspel_pixels_tab[8] = put_vc1_mspel_mc02_c; + dsp->put_vc1_mspel_pixels_tab[9] = put_vc1_mspel_mc12_c; dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c; dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c; dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c; @@ -468,20 +918,44 @@ void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) { dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c; dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c; - dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_c; - dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c; - dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c; - dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c; - dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c; - dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c; - dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c; - dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c; - dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c; - dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c; + dsp->avg_vc1_mspel_pixels_tab[0] = avg_vc1_mspel_mc00_c; + dsp->avg_vc1_mspel_pixels_tab[1] = avg_vc1_mspel_mc10_c; + dsp->avg_vc1_mspel_pixels_tab[2] = avg_vc1_mspel_mc20_c; + dsp->avg_vc1_mspel_pixels_tab[3] = avg_vc1_mspel_mc30_c; + dsp->avg_vc1_mspel_pixels_tab[4] = avg_vc1_mspel_mc01_c; + dsp->avg_vc1_mspel_pixels_tab[5] = avg_vc1_mspel_mc11_c; + dsp->avg_vc1_mspel_pixels_tab[6] = avg_vc1_mspel_mc21_c; + dsp->avg_vc1_mspel_pixels_tab[7] = avg_vc1_mspel_mc31_c; + dsp->avg_vc1_mspel_pixels_tab[8] = avg_vc1_mspel_mc02_c; + dsp->avg_vc1_mspel_pixels_tab[9] = avg_vc1_mspel_mc12_c; dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c; dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c; dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c; dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c; dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c; dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c; + + dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = put_no_rnd_vc1_chroma_mc8_c; + dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = avg_no_rnd_vc1_chroma_mc8_c; + dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = put_no_rnd_vc1_chroma_mc4_c; + dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = avg_no_rnd_vc1_chroma_mc4_c; + +#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER + dsp->sprite_h = sprite_h_c; + dsp->sprite_v_single = sprite_v_single_c; + dsp->sprite_v_double_noscale = sprite_v_double_noscale_c; + dsp->sprite_v_double_onescale = sprite_v_double_onescale_c; + dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c; +#endif /* CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER */ + + dsp->startcode_find_candidate = ff_startcode_find_candidate_c; + + if (ARCH_AARCH64) + ff_vc1dsp_init_aarch64(dsp); + if (ARCH_ARM) + ff_vc1dsp_init_arm(dsp); + if (ARCH_PPC) + ff_vc1dsp_init_ppc(dsp); + if (ARCH_X86) + ff_vc1dsp_init_x86(dsp); }