mirror of https://github.com/FFmpeg/FFmpeg.git
There is only about 4 lines of common code, so it alot cleaner when seperated. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>pull/8/head
Michael Niedermayer
12 years ago
parent
922332e60d
commit
30981a966f
15 changed files with 744 additions and 660 deletions
@ -0,0 +1,585 @@ |
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/*
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* Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (C) 2008 David Conrad |
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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 |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/common.h" |
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#include "dsputil.h" |
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#include "dirac_dwt.h" |
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#include "libavcodec/x86/dirac_dwt.h" |
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static inline int mirror(int v, int m) |
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{ |
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while ((unsigned)v > (unsigned)m) { |
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v = -v; |
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if (v < 0) |
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v += 2 * m; |
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} |
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return v; |
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} |
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static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, |
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int width) |
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{ |
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int i; |
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for (i = 0; i < width; i++) |
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b1[i] -= (b0[i] + b2[i] + 2) >> 2; |
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} |
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static av_always_inline |
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void interleave(IDWTELEM *dst, IDWTELEM *src0, IDWTELEM *src1, int w2, int add, int shift) |
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{ |
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int i; |
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for (i = 0; i < w2; i++) { |
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dst[2*i ] = (src0[i] + add) >> shift; |
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dst[2*i+1] = (src1[i] + add) >> shift; |
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} |
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} |
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static void horizontal_compose_dirac53i(IDWTELEM *b, IDWTELEM *temp, int w) |
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{ |
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const int w2 = w >> 1; |
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int x; |
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temp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]); |
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for (x = 1; x < w2; x++) { |
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temp[x ] = COMPOSE_53iL0 (b[x+w2-1], b[x ], b[x+w2]); |
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temp[x+w2-1] = COMPOSE_DIRAC53iH0(temp[x-1], b[x+w2-1], temp[x]); |
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} |
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temp[w-1] = COMPOSE_DIRAC53iH0(temp[w2-1], b[w-1], temp[w2-1]); |
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interleave(b, temp, temp+w2, w2, 1, 1); |
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} |
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static void horizontal_compose_dd97i(IDWTELEM *b, IDWTELEM *tmp, int w) |
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{ |
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const int w2 = w >> 1; |
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int x; |
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tmp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]); |
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for (x = 1; x < w2; x++) |
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tmp[x] = COMPOSE_53iL0(b[x+w2-1], b[x], b[x+w2]); |
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// extend the edges
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tmp[-1] = tmp[0]; |
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tmp[w2+1] = tmp[w2] = tmp[w2-1]; |
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for (x = 0; x < w2; x++) { |
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b[2*x ] = (tmp[x] + 1)>>1; |
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b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1; |
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} |
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} |
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static void horizontal_compose_dd137i(IDWTELEM *b, IDWTELEM *tmp, int w) |
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{ |
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const int w2 = w >> 1; |
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int x; |
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tmp[0] = COMPOSE_DD137iL0(b[w2], b[w2], b[0], b[w2 ], b[w2+1]); |
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tmp[1] = COMPOSE_DD137iL0(b[w2], b[w2], b[1], b[w2+1], b[w2+2]); |
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for (x = 2; x < w2-1; x++) |
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tmp[x] = COMPOSE_DD137iL0(b[x+w2-2], b[x+w2-1], b[x], b[x+w2], b[x+w2+1]); |
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tmp[w2-1] = COMPOSE_DD137iL0(b[w-3], b[w-2], b[w2-1], b[w-1], b[w-1]); |
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// extend the edges
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tmp[-1] = tmp[0]; |
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tmp[w2+1] = tmp[w2] = tmp[w2-1]; |
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for (x = 0; x < w2; x++) { |
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b[2*x ] = (tmp[x] + 1)>>1; |
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b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1; |
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} |
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} |
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static av_always_inline |
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void horizontal_compose_haari(IDWTELEM *b, IDWTELEM *temp, int w, int shift) |
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{ |
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const int w2 = w >> 1; |
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int x; |
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for (x = 0; x < w2; x++) { |
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temp[x ] = COMPOSE_HAARiL0(b[x ], b[x+w2]); |
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temp[x+w2] = COMPOSE_HAARiH0(b[x+w2], temp[x]); |
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} |
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interleave(b, temp, temp+w2, w2, shift, shift); |
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} |
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static void horizontal_compose_haar0i(IDWTELEM *b, IDWTELEM *temp, int w) |
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{ |
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horizontal_compose_haari(b, temp, w, 0); |
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} |
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static void horizontal_compose_haar1i(IDWTELEM *b, IDWTELEM *temp, int w) |
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{ |
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horizontal_compose_haari(b, temp, w, 1); |
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} |
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static void horizontal_compose_fidelityi(IDWTELEM *b, IDWTELEM *tmp, int w) |
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{ |
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const int w2 = w >> 1; |
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int i, x; |
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IDWTELEM v[8]; |
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for (x = 0; x < w2; x++) { |
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for (i = 0; i < 8; i++) |
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v[i] = b[av_clip(x-3+i, 0, w2-1)]; |
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tmp[x] = COMPOSE_FIDELITYiH0(v[0], v[1], v[2], v[3], b[x+w2], v[4], v[5], v[6], v[7]); |
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} |
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for (x = 0; x < w2; x++) { |
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for (i = 0; i < 8; i++) |
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v[i] = tmp[av_clip(x-4+i, 0, w2-1)]; |
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tmp[x+w2] = COMPOSE_FIDELITYiL0(v[0], v[1], v[2], v[3], b[x], v[4], v[5], v[6], v[7]); |
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} |
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interleave(b, tmp+w2, tmp, w2, 0, 0); |
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} |
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static void horizontal_compose_daub97i(IDWTELEM *b, IDWTELEM *temp, int w) |
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{ |
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const int w2 = w >> 1; |
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int x, b0, b1, b2; |
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temp[0] = COMPOSE_DAUB97iL1(b[w2], b[0], b[w2]); |
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for (x = 1; x < w2; x++) { |
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temp[x ] = COMPOSE_DAUB97iL1(b[x+w2-1], b[x ], b[x+w2]); |
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temp[x+w2-1] = COMPOSE_DAUB97iH1(temp[x-1], b[x+w2-1], temp[x]); |
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} |
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temp[w-1] = COMPOSE_DAUB97iH1(temp[w2-1], b[w-1], temp[w2-1]); |
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// second stage combined with interleave and shift
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b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]); |
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b[0] = (b0 + 1) >> 1; |
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for (x = 1; x < w2; x++) { |
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b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x ], temp[x+w2]); |
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b1 = COMPOSE_DAUB97iH0( b0, temp[x+w2-1], b2 ); |
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b[2*x-1] = (b1 + 1) >> 1; |
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b[2*x ] = (b2 + 1) >> 1; |
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b0 = b2; |
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} |
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b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1; |
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} |
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static void vertical_compose_dirac53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]); |
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} |
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} |
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static void vertical_compose_dd97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, |
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IDWTELEM *b3, IDWTELEM *b4, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]); |
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} |
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} |
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static void vertical_compose_dd137iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, |
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IDWTELEM *b3, IDWTELEM *b4, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]); |
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} |
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} |
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static void vertical_compose_haar(IDWTELEM *b0, IDWTELEM *b1, int width) |
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{ |
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int i; |
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for (i = 0; i < width; i++) { |
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b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]); |
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b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]); |
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} |
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} |
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static void vertical_compose_fidelityiH0(IDWTELEM *dst, IDWTELEM *b[8], int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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dst[i] = COMPOSE_FIDELITYiH0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]); |
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} |
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} |
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static void vertical_compose_fidelityiL0(IDWTELEM *dst, IDWTELEM *b[8], int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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dst[i] = COMPOSE_FIDELITYiL0(b[0][i], b[1][i], b[2][i], b[3][i], dst[i], b[4][i], b[5][i], b[6][i], b[7][i]); |
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} |
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} |
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static void vertical_compose_daub97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b1[i] = COMPOSE_DAUB97iH0(b0[i], b1[i], b2[i]); |
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} |
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} |
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static void vertical_compose_daub97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b1[i] = COMPOSE_DAUB97iH1(b0[i], b1[i], b2[i]); |
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} |
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} |
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static void vertical_compose_daub97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b1[i] = COMPOSE_DAUB97iL0(b0[i], b1[i], b2[i]); |
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} |
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} |
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static void vertical_compose_daub97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) |
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{ |
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int i; |
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for(i=0; i<width; i++){ |
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b1[i] = COMPOSE_DAUB97iL1(b0[i], b1[i], b2[i]); |
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} |
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} |
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static void spatial_compose_dd97i_dy(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0; |
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vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0; |
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DWTCompose *cs = d->cs + level; |
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int i, y = cs->y; |
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IDWTELEM *b[8]; |
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for (i = 0; i < 6; i++) |
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b[i] = cs->b[i]; |
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b[6] = d->buffer + av_clip(y+5, 0, height-2)*stride; |
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b[7] = d->buffer + av_clip(y+6, 1, height-1)*stride; |
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if(y+5<(unsigned)height) vertical_compose_l0( b[5], b[6], b[7], width); |
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if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width); |
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if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width); |
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if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width); |
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for (i = 0; i < 6; i++) |
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cs->b[i] = b[i+2]; |
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cs->y += 2; |
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} |
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static void spatial_compose_dirac53i_dy(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0; |
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vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0; |
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DWTCompose *cs = d->cs + level; |
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int y= cs->y; |
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IDWTELEM *b[4] = { cs->b[0], cs->b[1] }; |
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b[2] = d->buffer + mirror(y+1, height-1)*stride; |
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b[3] = d->buffer + mirror(y+2, height-1)*stride; |
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if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width); |
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if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width); |
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if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width); |
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if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width); |
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cs->b[0] = b[2]; |
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cs->b[1] = b[3]; |
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cs->y += 2; |
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} |
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static void spatial_compose_dd137i_dy(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_5tap vertical_compose_l0 = (void*)d->vertical_compose_l0; |
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vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0; |
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DWTCompose *cs = d->cs + level; |
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int i, y = cs->y; |
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IDWTELEM *b[10]; |
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for (i = 0; i < 8; i++) |
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b[i] = cs->b[i]; |
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b[8] = d->buffer + av_clip(y+7, 0, height-2)*stride; |
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b[9] = d->buffer + av_clip(y+8, 1, height-1)*stride; |
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if(y+5<(unsigned)height) vertical_compose_l0(b[3], b[5], b[6], b[7], b[9], width); |
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if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width); |
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if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width); |
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if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width); |
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for (i = 0; i < 8; i++) |
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cs->b[i] = b[i+2]; |
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cs->y += 2; |
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} |
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// haar makes the assumption that height is even (always true for dirac)
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static void spatial_compose_haari_dy(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_2tap vertical_compose = (void*)d->vertical_compose; |
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int y = d->cs[level].y; |
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IDWTELEM *b0 = d->buffer + (y-1)*stride; |
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IDWTELEM *b1 = d->buffer + (y )*stride; |
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vertical_compose(b0, b1, width); |
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d->horizontal_compose(b0, d->temp, width); |
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d->horizontal_compose(b1, d->temp, width); |
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d->cs[level].y += 2; |
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} |
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// Don't do sliced idwt for fidelity; the 9 tap filter makes it a bit annoying
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// Fortunately, this filter isn't used in practice.
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static void spatial_compose_fidelity(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_9tap vertical_compose_l0 = (void*)d->vertical_compose_l0; |
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vertical_compose_9tap vertical_compose_h0 = (void*)d->vertical_compose_h0; |
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int i, y; |
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IDWTELEM *b[8]; |
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for (y = 1; y < height; y += 2) { |
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for (i = 0; i < 8; i++) |
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b[i] = d->buffer + av_clip((y-7 + 2*i), 0, height-2)*stride; |
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vertical_compose_h0(d->buffer + y*stride, b, width); |
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} |
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for (y = 0; y < height; y += 2) { |
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for (i = 0; i < 8; i++) |
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b[i] = d->buffer + av_clip((y-7 + 2*i), 1, height-1)*stride; |
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vertical_compose_l0(d->buffer + y*stride, b, width); |
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} |
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for (y = 0; y < height; y++) |
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d->horizontal_compose(d->buffer + y*stride, d->temp, width); |
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d->cs[level].y = height+1; |
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} |
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static void spatial_compose_daub97i_dy(DWTContext *d, int level, int width, int height, int stride) |
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{ |
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vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0; |
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vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0; |
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vertical_compose_3tap vertical_compose_l1 = (void*)d->vertical_compose_l1; |
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vertical_compose_3tap vertical_compose_h1 = (void*)d->vertical_compose_h1; |
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DWTCompose *cs = d->cs + level; |
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int i, y = cs->y; |
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IDWTELEM *b[6]; |
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for (i = 0; i < 4; i++) |
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b[i] = cs->b[i]; |
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b[4] = d->buffer + mirror(y+3, height-1)*stride; |
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b[5] = d->buffer + mirror(y+4, height-1)*stride; |
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if(y+3<(unsigned)height) vertical_compose_l1(b[3], b[4], b[5], width); |
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if(y+2<(unsigned)height) vertical_compose_h1(b[2], b[3], b[4], width); |
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if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width); |
||||
if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width); |
||||
|
||||
if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width); |
||||
if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width); |
||||
|
||||
for (i = 0; i < 4; i++) |
||||
cs->b[i] = b[i+2]; |
||||
cs->y += 2; |
||||
} |
||||
|
||||
|
||||
static void spatial_compose97i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride) |
||||
{ |
||||
cs->b[0] = buffer + mirror(-3-1, height-1)*stride; |
||||
cs->b[1] = buffer + mirror(-3 , height-1)*stride; |
||||
cs->b[2] = buffer + mirror(-3+1, height-1)*stride; |
||||
cs->b[3] = buffer + mirror(-3+2, height-1)*stride; |
||||
cs->y = -3; |
||||
} |
||||
|
||||
static void spatial_compose53i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride) |
||||
{ |
||||
cs->b[0] = buffer + mirror(-1-1, height-1)*stride; |
||||
cs->b[1] = buffer + mirror(-1 , height-1)*stride; |
||||
cs->y = -1; |
||||
} |
||||
|
||||
static void spatial_compose_dd97i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride) |
||||
{ |
||||
cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride; |
||||
cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride; |
||||
cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride; |
||||
cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride; |
||||
cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride; |
||||
cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride; |
||||
cs->y = -5; |
||||
} |
||||
|
||||
static void spatial_compose_dd137i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride) |
||||
{ |
||||
cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride; |
||||
cs->b[1] = buffer + av_clip(-5 , 1, height-1)*stride; |
||||
cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride; |
||||
cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride; |
||||
cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride; |
||||
cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride; |
||||
cs->b[6] = buffer + av_clip(-5+5, 0, height-2)*stride; |
||||
cs->b[7] = buffer + av_clip(-5+6, 1, height-1)*stride; |
||||
cs->y = -5; |
||||
} |
||||
|
||||
int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height, |
||||
int stride, enum dwt_type type, int decomposition_count, |
||||
IDWTELEM *temp) |
||||
{ |
||||
int level; |
||||
|
||||
d->buffer = buffer; |
||||
d->width = width; |
||||
d->height = height; |
||||
d->stride = stride; |
||||
d->decomposition_count = decomposition_count; |
||||
d->temp = temp + 8; |
||||
|
||||
for(level=decomposition_count-1; level>=0; level--){ |
||||
int hl = height >> level; |
||||
int stride_l = stride << level; |
||||
|
||||
switch(type){ |
||||
case DWT_DIRAC_DD9_7: |
||||
spatial_compose_dd97i_init(d->cs+level, buffer, hl, stride_l); |
||||
break; |
||||
case DWT_DIRAC_LEGALL5_3: |
||||
spatial_compose53i_init2(d->cs+level, buffer, hl, stride_l); |
||||
break; |
||||
case DWT_DIRAC_DD13_7: |
||||
spatial_compose_dd137i_init(d->cs+level, buffer, hl, stride_l); |
||||
break; |
||||
case DWT_DIRAC_HAAR0: |
||||
case DWT_DIRAC_HAAR1: |
||||
d->cs[level].y = 1; |
||||
break; |
||||
case DWT_DIRAC_DAUB9_7: |
||||
spatial_compose97i_init2(d->cs+level, buffer, hl, stride_l); |
||||
break; |
||||
default: |
||||
d->cs[level].y = 0; |
||||
break; |
||||
} |
||||
} |
||||
|
||||
switch (type) { |
||||
case DWT_DIRAC_DD9_7: |
||||
d->spatial_compose = spatial_compose_dd97i_dy; |
||||
d->vertical_compose_l0 = (void*)vertical_compose53iL0; |
||||
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0; |
||||
d->horizontal_compose = horizontal_compose_dd97i; |
||||
d->support = 7; |
||||
break; |
||||
case DWT_DIRAC_LEGALL5_3: |
||||
d->spatial_compose = spatial_compose_dirac53i_dy; |
||||
d->vertical_compose_l0 = (void*)vertical_compose53iL0; |
||||
d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0; |
||||
d->horizontal_compose = horizontal_compose_dirac53i; |
||||
d->support = 3; |
||||
break; |
||||
case DWT_DIRAC_DD13_7: |
||||
d->spatial_compose = spatial_compose_dd137i_dy; |
||||
d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0; |
||||
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0; |
||||
d->horizontal_compose = horizontal_compose_dd137i; |
||||
d->support = 7; |
||||
break; |
||||
case DWT_DIRAC_HAAR0: |
||||
case DWT_DIRAC_HAAR1: |
||||
d->spatial_compose = spatial_compose_haari_dy; |
||||
d->vertical_compose = (void*)vertical_compose_haar; |
||||
if (type == DWT_DIRAC_HAAR0) |
||||
d->horizontal_compose = horizontal_compose_haar0i; |
||||
else |
||||
d->horizontal_compose = horizontal_compose_haar1i; |
||||
d->support = 1; |
||||
break; |
||||
case DWT_DIRAC_FIDELITY: |
||||
d->spatial_compose = spatial_compose_fidelity; |
||||
d->vertical_compose_l0 = (void*)vertical_compose_fidelityiL0; |
||||
d->vertical_compose_h0 = (void*)vertical_compose_fidelityiH0; |
||||
d->horizontal_compose = horizontal_compose_fidelityi; |
||||
break; |
||||
case DWT_DIRAC_DAUB9_7: |
||||
d->spatial_compose = spatial_compose_daub97i_dy; |
||||
d->vertical_compose_l0 = (void*)vertical_compose_daub97iL0; |
||||
d->vertical_compose_h0 = (void*)vertical_compose_daub97iH0; |
||||
d->vertical_compose_l1 = (void*)vertical_compose_daub97iL1; |
||||
d->vertical_compose_h1 = (void*)vertical_compose_daub97iH1; |
||||
d->horizontal_compose = horizontal_compose_daub97i; |
||||
d->support = 5; |
||||
break; |
||||
default: |
||||
av_log(NULL, AV_LOG_ERROR, "Unknown wavelet type %d\n", type); |
||||
return -1; |
||||
} |
||||
|
||||
if (HAVE_MMX) ff_spatial_idwt_init_mmx(d, type); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
void ff_spatial_idwt_slice2(DWTContext *d, int y) |
||||
{ |
||||
int level, support = d->support; |
||||
|
||||
for (level = d->decomposition_count-1; level >= 0; level--) { |
||||
int wl = d->width >> level; |
||||
int hl = d->height >> level; |
||||
int stride_l = d->stride << level; |
||||
|
||||
while (d->cs[level].y <= FFMIN((y>>level)+support, hl)) |
||||
d->spatial_compose(d, level, wl, hl, stride_l); |
||||
} |
||||
} |
||||
|
||||
int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride, |
||||
enum dwt_type type, int decomposition_count, IDWTELEM *temp) |
||||
{ |
||||
DWTContext d; |
||||
int y; |
||||
|
||||
if (ff_spatial_idwt_init2(&d, buffer, width, height, stride, type, decomposition_count, temp)) |
||||
return -1; |
||||
|
||||
for (y = 0; y < d.height; y += 4) |
||||
ff_spatial_idwt_slice2(&d, y); |
||||
|
||||
return 0; |
||||
} |
||||
@ -0,0 +1,126 @@ |
||||
/*
|
||||
* Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at> |
||||
* |
||||
* This file is part of FFmpeg. |
||||
* |
||||
* FFmpeg is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU Lesser General Public |
||||
* License as published by the Free Software Foundation; either |
||||
* version 2.1 of the License, or (at your option) any later version. |
||||
* |
||||
* FFmpeg is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||||
* Lesser General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU Lesser General Public |
||||
* License along with FFmpeg; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#ifndef AVCODEC_DIRAC_DWT_H |
||||
#define AVCODEC_DIRAC_DWT_H |
||||
|
||||
#include <stdint.h> |
||||
|
||||
typedef int DWTELEM; |
||||
typedef short IDWTELEM; |
||||
|
||||
#define MAX_DWT_SUPPORT 8 |
||||
#define MAX_DECOMPOSITIONS 8 |
||||
|
||||
typedef struct DWTCompose { |
||||
IDWTELEM *b[MAX_DWT_SUPPORT]; |
||||
int y; |
||||
} DWTCompose; |
||||
|
||||
struct DWTContext; |
||||
|
||||
// Possible prototypes for vertical_compose functions
|
||||
typedef void (*vertical_compose_2tap)(IDWTELEM *b0, IDWTELEM *b1, int width); |
||||
typedef void (*vertical_compose_3tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); |
||||
typedef void (*vertical_compose_5tap)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width); |
||||
typedef void (*vertical_compose_9tap)(IDWTELEM *dst, IDWTELEM *b[8], int width); |
||||
|
||||
typedef struct DWTContext { |
||||
IDWTELEM *buffer; |
||||
IDWTELEM *temp; |
||||
int width; |
||||
int height; |
||||
int stride; |
||||
int decomposition_count; |
||||
int support; |
||||
|
||||
void (*spatial_compose)(struct DWTContext *cs, int level, int width, int height, int stride); |
||||
void (*vertical_compose_l0)(void); |
||||
void (*vertical_compose_h0)(void); |
||||
void (*vertical_compose_l1)(void); |
||||
void (*vertical_compose_h1)(void); |
||||
void (*vertical_compose)(void); ///< one set of lowpass and highpass combined
|
||||
void (*horizontal_compose)(IDWTELEM *b, IDWTELEM *tmp, int width); |
||||
|
||||
DWTCompose cs[MAX_DECOMPOSITIONS]; |
||||
} DWTContext; |
||||
|
||||
enum dwt_type { |
||||
DWT_SNOW_DAUB9_7, |
||||
DWT_SNOW_LEGALL5_3, |
||||
DWT_DIRAC_DD9_7, |
||||
DWT_DIRAC_LEGALL5_3, |
||||
DWT_DIRAC_DD13_7, |
||||
DWT_DIRAC_HAAR0, |
||||
DWT_DIRAC_HAAR1, |
||||
DWT_DIRAC_FIDELITY, |
||||
DWT_DIRAC_DAUB9_7, |
||||
DWT_NUM_TYPES |
||||
}; |
||||
|
||||
// -1 if an error occurred, e.g. the dwt_type isn't recognized
|
||||
int ff_spatial_idwt_init2(DWTContext *d, IDWTELEM *buffer, int width, int height, |
||||
int stride, enum dwt_type type, int decomposition_count, |
||||
IDWTELEM *temp); |
||||
|
||||
int ff_spatial_idwt2(IDWTELEM *buffer, int width, int height, int stride, |
||||
enum dwt_type type, int decomposition_count, IDWTELEM *temp); |
||||
|
||||
void ff_spatial_idwt_slice2(DWTContext *d, int y); |
||||
|
||||
// shared stuff for simd optimiztions
|
||||
#define COMPOSE_53iL0(b0, b1, b2)\ |
||||
(b1 - ((b0 + b2 + 2) >> 2)) |
||||
|
||||
#define COMPOSE_DIRAC53iH0(b0, b1, b2)\ |
||||
(b1 + ((b0 + b2 + 1) >> 1)) |
||||
|
||||
#define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)\ |
||||
(b2 + ((-b0 + 9*b1 + 9*b3 - b4 + 8) >> 4)) |
||||
|
||||
#define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\ |
||||
(b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5)) |
||||
|
||||
#define COMPOSE_HAARiL0(b0, b1)\ |
||||
(b0 - ((b1 + 1) >> 1)) |
||||
|
||||
#define COMPOSE_HAARiH0(b0, b1)\ |
||||
(b0 + b1) |
||||
|
||||
#define COMPOSE_FIDELITYiL0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\ |
||||
(b4 - ((-8*(b0+b8) + 21*(b1+b7) - 46*(b2+b6) + 161*(b3+b5) + 128) >> 8)) |
||||
|
||||
#define COMPOSE_FIDELITYiH0(b0, b1, b2, b3, b4, b5, b6, b7, b8)\ |
||||
(b4 + ((-2*(b0+b8) + 10*(b1+b7) - 25*(b2+b6) + 81*(b3+b5) + 128) >> 8)) |
||||
|
||||
#define COMPOSE_DAUB97iL1(b0, b1, b2)\ |
||||
(b1 - ((1817*(b0 + b2) + 2048) >> 12)) |
||||
|
||||
#define COMPOSE_DAUB97iH1(b0, b1, b2)\ |
||||
(b1 - (( 113*(b0 + b2) + 64) >> 7)) |
||||
|
||||
#define COMPOSE_DAUB97iL0(b0, b1, b2)\ |
||||
(b1 + (( 217*(b0 + b2) + 2048) >> 12)) |
||||
|
||||
#define COMPOSE_DAUB97iH0(b0, b1, b2)\ |
||||
(b1 + ((6497*(b0 + b2) + 2048) >> 12)) |
||||
|
||||
|
||||
#endif /* AVCODEC_DWT_H */ |
||||
Loading…
Reference in new issue