mirror of https://git.ffmpeg.org/ffmpeg.git
3939 lines
133 KiB
C
3939 lines
133 KiB
C
/*
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* Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This library 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 of the License, or (at your option) any later version.
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*
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* This library 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 this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "avcodec.h"
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#include "common.h"
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#include "dsputil.h"
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#include "rangecoder.h"
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#define MID_STATE 128
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#include "mpegvideo.h"
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#undef NDEBUG
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#include <assert.h>
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#define MAX_DECOMPOSITIONS 8
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#define MAX_PLANES 4
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#define DWTELEM int
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#define QSHIFT 5
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#define QROOT (1<<QSHIFT)
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#define LOSSLESS_QLOG -128
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#define FRAC_BITS 8
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static const int8_t quant3[256]={
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0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0,
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};
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static const int8_t quant3b[256]={
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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};
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static const int8_t quant3bA[256]={
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0, 0, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
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};
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static const int8_t quant5[256]={
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0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,-1,
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};
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static const int8_t quant7[256]={
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0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
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-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,
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};
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static const int8_t quant9[256]={
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0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,
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-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1,
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};
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static const int8_t quant11[256]={
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0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-4,-4,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
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-4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-1,
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};
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static const int8_t quant13[256]={
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0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
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-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
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-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
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-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
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-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
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-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1,
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};
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#define LOG2_OBMC_MAX 6
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#define OBMC_MAX (1<<(LOG2_OBMC_MAX))
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#if 0 //64*cubic
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static const uint8_t obmc32[1024]={
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
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0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
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0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
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0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
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0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
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0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
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0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
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0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
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0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
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|
0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
|
|
0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
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|
0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
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|
0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
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0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
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0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
|
|
0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
|
|
0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
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0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
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0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
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0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
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0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
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0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
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0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
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0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
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0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
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|
0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
|
|
0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
|
|
0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
//error:0.000022
|
|
};
|
|
static const uint8_t obmc16[256]={
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
|
|
0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
|
|
0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
|
|
0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
|
|
0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
|
|
0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
|
|
1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
|
|
1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
|
|
1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
|
|
1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
|
|
0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
|
|
0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
|
|
0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
|
|
0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
|
|
0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
|
|
//error:0.000033
|
|
};
|
|
#elif 1 // 64*linear
|
|
static const uint8_t obmc32[1024]={
|
|
0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
|
|
0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 0,
|
|
0, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 8, 9,10,10, 9, 8, 8, 7, 7, 6, 5, 5, 4, 3, 3, 2, 2, 1, 0,
|
|
0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,13,12,11,10, 9, 8, 7, 7, 6, 5, 4, 3, 2, 1, 0,
|
|
1, 2, 3, 4, 5, 6, 7, 8,10,11,12,13,14,15,16,17,17,16,15,14,13,12,11,10, 8, 7, 6, 5, 4, 3, 2, 1,
|
|
1, 2, 3, 5, 6, 8, 9,10,12,13,14,16,17,19,20,21,21,20,19,17,16,14,13,12,10, 9, 8, 6, 5, 3, 2, 1,
|
|
1, 2, 4, 6, 7, 9,11,12,14,15,17,19,20,22,24,25,25,24,22,20,19,17,15,14,12,11, 9, 7, 6, 4, 2, 1,
|
|
1, 3, 5, 7, 8,10,12,14,16,18,20,22,23,25,27,29,29,27,25,23,22,20,18,16,14,12,10, 8, 7, 5, 3, 1,
|
|
1, 3, 5, 7,10,12,14,16,18,20,22,24,27,29,31,33,33,31,29,27,24,22,20,18,16,14,12,10, 7, 5, 3, 1,
|
|
1, 4, 6, 8,11,13,15,18,20,23,25,27,30,32,34,37,37,34,32,30,27,25,23,20,18,15,13,11, 8, 6, 4, 1,
|
|
1, 4, 7, 9,12,14,17,20,22,25,28,30,33,35,38,41,41,38,35,33,30,28,25,22,20,17,14,12, 9, 7, 4, 1,
|
|
1, 4, 7,10,13,16,19,22,24,27,30,33,36,39,42,45,45,42,39,36,33,30,27,24,22,19,16,13,10, 7, 4, 1,
|
|
2, 5, 8,11,14,17,20,23,27,30,33,36,39,42,45,48,48,45,42,39,36,33,30,27,23,20,17,14,11, 8, 5, 2,
|
|
2, 5, 8,12,15,19,22,25,29,32,35,39,42,46,49,52,52,49,46,42,39,35,32,29,25,22,19,15,12, 8, 5, 2,
|
|
2, 5, 9,13,16,20,24,27,31,34,38,42,45,49,53,56,56,53,49,45,42,38,34,31,27,24,20,16,13, 9, 5, 2,
|
|
2, 6,10,14,17,21,25,29,33,37,41,45,48,52,56,60,60,56,52,48,45,41,37,33,29,25,21,17,14,10, 6, 2,
|
|
2, 6,10,14,17,21,25,29,33,37,41,45,48,52,56,60,60,56,52,48,45,41,37,33,29,25,21,17,14,10, 6, 2,
|
|
2, 5, 9,13,16,20,24,27,31,34,38,42,45,49,53,56,56,53,49,45,42,38,34,31,27,24,20,16,13, 9, 5, 2,
|
|
2, 5, 8,12,15,19,22,25,29,32,35,39,42,46,49,52,52,49,46,42,39,35,32,29,25,22,19,15,12, 8, 5, 2,
|
|
2, 5, 8,11,14,17,20,23,27,30,33,36,39,42,45,48,48,45,42,39,36,33,30,27,23,20,17,14,11, 8, 5, 2,
|
|
1, 4, 7,10,13,16,19,22,24,27,30,33,36,39,42,45,45,42,39,36,33,30,27,24,22,19,16,13,10, 7, 4, 1,
|
|
1, 4, 7, 9,12,14,17,20,22,25,28,30,33,35,38,41,41,38,35,33,30,28,25,22,20,17,14,12, 9, 7, 4, 1,
|
|
1, 4, 6, 8,11,13,15,18,20,23,25,27,30,32,34,37,37,34,32,30,27,25,23,20,18,15,13,11, 8, 6, 4, 1,
|
|
1, 3, 5, 7,10,12,14,16,18,20,22,24,27,29,31,33,33,31,29,27,24,22,20,18,16,14,12,10, 7, 5, 3, 1,
|
|
1, 3, 5, 7, 8,10,12,14,16,18,20,22,23,25,27,29,29,27,25,23,22,20,18,16,14,12,10, 8, 7, 5, 3, 1,
|
|
1, 2, 4, 6, 7, 9,11,12,14,15,17,19,20,22,24,25,25,24,22,20,19,17,15,14,12,11, 9, 7, 6, 4, 2, 1,
|
|
1, 2, 3, 5, 6, 8, 9,10,12,13,14,16,17,19,20,21,21,20,19,17,16,14,13,12,10, 9, 8, 6, 5, 3, 2, 1,
|
|
1, 2, 3, 4, 5, 6, 7, 8,10,11,12,13,14,15,16,17,17,16,15,14,13,12,11,10, 8, 7, 6, 5, 4, 3, 2, 1,
|
|
0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,13,12,11,10, 9, 8, 7, 7, 6, 5, 4, 3, 2, 1, 0,
|
|
0, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 8, 9,10,10, 9, 8, 8, 7, 7, 6, 5, 5, 4, 3, 3, 2, 2, 1, 0,
|
|
0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 0,
|
|
0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
|
|
//error:0.000020
|
|
};
|
|
static const uint8_t obmc16[256]={
|
|
0, 1, 1, 2, 2, 3, 3, 4, 4, 3, 3, 2, 2, 1, 1, 0,
|
|
1, 2, 4, 5, 7, 8,10,11,11,10, 8, 7, 5, 4, 2, 1,
|
|
1, 4, 6, 9,11,14,16,19,19,16,14,11, 9, 6, 4, 1,
|
|
2, 5, 9,12,16,19,23,26,26,23,19,16,12, 9, 5, 2,
|
|
2, 7,11,16,20,25,29,34,34,29,25,20,16,11, 7, 2,
|
|
3, 8,14,19,25,30,36,41,41,36,30,25,19,14, 8, 3,
|
|
3,10,16,23,29,36,42,49,49,42,36,29,23,16,10, 3,
|
|
4,11,19,26,34,41,49,56,56,49,41,34,26,19,11, 4,
|
|
4,11,19,26,34,41,49,56,56,49,41,34,26,19,11, 4,
|
|
3,10,16,23,29,36,42,49,49,42,36,29,23,16,10, 3,
|
|
3, 8,14,19,25,30,36,41,41,36,30,25,19,14, 8, 3,
|
|
2, 7,11,16,20,25,29,34,34,29,25,20,16,11, 7, 2,
|
|
2, 5, 9,12,16,19,23,26,26,23,19,16,12, 9, 5, 2,
|
|
1, 4, 6, 9,11,14,16,19,19,16,14,11, 9, 6, 4, 1,
|
|
1, 2, 4, 5, 7, 8,10,11,11,10, 8, 7, 5, 4, 2, 1,
|
|
0, 1, 1, 2, 2, 3, 3, 4, 4, 3, 3, 2, 2, 1, 1, 0,
|
|
//error:0.000015
|
|
};
|
|
#else //64*cos
|
|
static const uint8_t obmc32[1024]={
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
|
|
0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
|
|
0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
|
|
0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
|
|
0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
|
|
0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
|
|
0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
|
|
0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
|
|
0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
|
|
0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
|
|
0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
|
|
0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
|
|
0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
|
|
0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
|
|
0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
|
|
0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
|
|
0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
|
|
0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
|
|
0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
|
|
0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
|
|
0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
|
|
0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
|
|
0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
|
|
0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
|
|
0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
|
|
0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
|
|
0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
|
|
0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
//error:0.000022
|
|
};
|
|
static const uint8_t obmc16[256]={
|
|
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
|
|
0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
|
|
0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
|
|
0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
|
|
0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
|
|
1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
|
|
1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
|
|
0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
|
|
0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
|
|
1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
|
|
1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
|
|
0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
|
|
0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
|
|
0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
|
|
0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
|
|
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
|
|
//error:0.000022
|
|
};
|
|
#endif
|
|
|
|
//linear *64
|
|
static const uint8_t obmc8[64]={
|
|
1, 3, 5, 7, 7, 5, 3, 1,
|
|
3, 9,15,21,21,15, 9, 3,
|
|
5,15,25,35,35,25,15, 5,
|
|
7,21,35,49,49,35,21, 7,
|
|
7,21,35,49,49,35,21, 7,
|
|
5,15,25,35,35,25,15, 5,
|
|
3, 9,15,21,21,15, 9, 3,
|
|
1, 3, 5, 7, 7, 5, 3, 1,
|
|
//error:0.000000
|
|
};
|
|
|
|
//linear *64
|
|
static const uint8_t obmc4[16]={
|
|
4,12,12, 4,
|
|
12,36,36,12,
|
|
12,36,36,12,
|
|
4,12,12, 4,
|
|
//error:0.000000
|
|
};
|
|
|
|
static const uint8_t *obmc_tab[4]={
|
|
obmc32, obmc16, obmc8, obmc4
|
|
};
|
|
|
|
typedef struct BlockNode{
|
|
int16_t mx;
|
|
int16_t my;
|
|
uint8_t color[3];
|
|
uint8_t type;
|
|
//#define TYPE_SPLIT 1
|
|
#define BLOCK_INTRA 1
|
|
//#define TYPE_NOCOLOR 4
|
|
uint8_t level; //FIXME merge into type?
|
|
}BlockNode;
|
|
|
|
#define LOG2_MB_SIZE 4
|
|
#define MB_SIZE (1<<LOG2_MB_SIZE)
|
|
|
|
typedef struct x_and_coeff{
|
|
int16_t x;
|
|
uint16_t coeff;
|
|
} x_and_coeff;
|
|
|
|
typedef struct SubBand{
|
|
int level;
|
|
int stride;
|
|
int width;
|
|
int height;
|
|
int qlog; ///< log(qscale)/log[2^(1/6)]
|
|
DWTELEM *buf;
|
|
int buf_x_offset;
|
|
int buf_y_offset;
|
|
int stride_line; ///< Stride measured in lines, not pixels.
|
|
x_and_coeff * x_coeff;
|
|
struct SubBand *parent;
|
|
uint8_t state[/*7*2*/ 7 + 512][32];
|
|
}SubBand;
|
|
|
|
typedef struct Plane{
|
|
int width;
|
|
int height;
|
|
SubBand band[MAX_DECOMPOSITIONS][4];
|
|
}Plane;
|
|
|
|
/** Used to minimize the amount of memory used in order to optimize cache performance. **/
|
|
typedef struct {
|
|
DWTELEM * * line; ///< For use by idwt and predict_slices.
|
|
DWTELEM * * data_stack; ///< Used for internal purposes.
|
|
int data_stack_top;
|
|
int line_count;
|
|
int line_width;
|
|
int data_count;
|
|
DWTELEM * base_buffer; ///< Buffer that this structure is caching.
|
|
} slice_buffer;
|
|
|
|
typedef struct SnowContext{
|
|
// MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
|
|
|
|
AVCodecContext *avctx;
|
|
RangeCoder c;
|
|
DSPContext dsp;
|
|
AVFrame input_picture;
|
|
AVFrame current_picture;
|
|
AVFrame last_picture;
|
|
AVFrame mconly_picture;
|
|
// uint8_t q_context[16];
|
|
uint8_t header_state[32];
|
|
uint8_t block_state[128 + 32*128];
|
|
int keyframe;
|
|
int always_reset;
|
|
int version;
|
|
int spatial_decomposition_type;
|
|
int temporal_decomposition_type;
|
|
int spatial_decomposition_count;
|
|
int temporal_decomposition_count;
|
|
DWTELEM *spatial_dwt_buffer;
|
|
int colorspace_type;
|
|
int chroma_h_shift;
|
|
int chroma_v_shift;
|
|
int spatial_scalability;
|
|
int qlog;
|
|
int lambda;
|
|
int lambda2;
|
|
int mv_scale;
|
|
int qbias;
|
|
#define QBIAS_SHIFT 3
|
|
int b_width;
|
|
int b_height;
|
|
int block_max_depth;
|
|
Plane plane[MAX_PLANES];
|
|
BlockNode *block;
|
|
slice_buffer sb;
|
|
|
|
MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
|
|
}SnowContext;
|
|
|
|
typedef struct {
|
|
DWTELEM *b0;
|
|
DWTELEM *b1;
|
|
DWTELEM *b2;
|
|
DWTELEM *b3;
|
|
int y;
|
|
} dwt_compose_t;
|
|
|
|
#define slice_buffer_get_line(slice_buf, line_num) ((slice_buf)->line[line_num] ? (slice_buf)->line[line_num] : slice_buffer_load_line((slice_buf), (line_num)))
|
|
//#define slice_buffer_get_line(slice_buf, line_num) (slice_buffer_load_line((slice_buf), (line_num)))
|
|
|
|
static void slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, DWTELEM * base_buffer)
|
|
{
|
|
int i;
|
|
|
|
buf->base_buffer = base_buffer;
|
|
buf->line_count = line_count;
|
|
buf->line_width = line_width;
|
|
buf->data_count = max_allocated_lines;
|
|
buf->line = (DWTELEM * *) av_mallocz (sizeof(DWTELEM *) * line_count);
|
|
buf->data_stack = (DWTELEM * *) av_malloc (sizeof(DWTELEM *) * max_allocated_lines);
|
|
|
|
for (i = 0; i < max_allocated_lines; i++)
|
|
{
|
|
buf->data_stack[i] = (DWTELEM *) av_malloc (sizeof(DWTELEM) * line_width);
|
|
}
|
|
|
|
buf->data_stack_top = max_allocated_lines - 1;
|
|
}
|
|
|
|
static DWTELEM * slice_buffer_load_line(slice_buffer * buf, int line)
|
|
{
|
|
int i;
|
|
int offset;
|
|
DWTELEM * buffer;
|
|
|
|
// av_log(NULL, AV_LOG_DEBUG, "Cache hit: %d\n", line);
|
|
|
|
assert(buf->data_stack_top >= 0);
|
|
// assert(!buf->line[line]);
|
|
if (buf->line[line])
|
|
return buf->line[line];
|
|
|
|
offset = buf->line_width * line;
|
|
buffer = buf->data_stack[buf->data_stack_top];
|
|
buf->data_stack_top--;
|
|
buf->line[line] = buffer;
|
|
|
|
// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_load_line: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static void slice_buffer_release(slice_buffer * buf, int line)
|
|
{
|
|
int i;
|
|
int offset;
|
|
DWTELEM * buffer;
|
|
|
|
assert(line >= 0 && line < buf->line_count);
|
|
assert(buf->line[line]);
|
|
|
|
offset = buf->line_width * line;
|
|
buffer = buf->line[line];
|
|
buf->data_stack_top++;
|
|
buf->data_stack[buf->data_stack_top] = buffer;
|
|
buf->line[line] = NULL;
|
|
|
|
// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_release: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
|
|
}
|
|
|
|
static void slice_buffer_flush(slice_buffer * buf)
|
|
{
|
|
int i;
|
|
for (i = 0; i < buf->line_count; i++)
|
|
{
|
|
if (buf->line[i])
|
|
{
|
|
// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_flush: line: %d \n", i);
|
|
slice_buffer_release(buf, i);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void slice_buffer_destroy(slice_buffer * buf)
|
|
{
|
|
int i;
|
|
slice_buffer_flush(buf);
|
|
|
|
for (i = buf->data_count - 1; i >= 0; i--)
|
|
{
|
|
assert(buf->data_stack[i]);
|
|
av_free(buf->data_stack[i]);
|
|
}
|
|
assert(buf->data_stack);
|
|
av_free(buf->data_stack);
|
|
assert(buf->line);
|
|
av_free(buf->line);
|
|
}
|
|
|
|
#ifdef __sgi
|
|
// Avoid a name clash on SGI IRIX
|
|
#undef qexp
|
|
#endif
|
|
#define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0
|
|
static uint8_t qexp[QROOT];
|
|
|
|
static inline int mirror(int v, int m){
|
|
if (v<0) return -v;
|
|
else if(v>m) return 2*m-v;
|
|
else return v;
|
|
}
|
|
|
|
static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){
|
|
int i;
|
|
|
|
if(v){
|
|
const int a= ABS(v);
|
|
const int e= av_log2(a);
|
|
#if 1
|
|
const int el= FFMIN(e, 10);
|
|
put_rac(c, state+0, 0);
|
|
|
|
for(i=0; i<el; i++){
|
|
put_rac(c, state+1+i, 1); //1..10
|
|
}
|
|
for(; i<e; i++){
|
|
put_rac(c, state+1+9, 1); //1..10
|
|
}
|
|
put_rac(c, state+1+FFMIN(i,9), 0);
|
|
|
|
for(i=e-1; i>=el; i--){
|
|
put_rac(c, state+22+9, (a>>i)&1); //22..31
|
|
}
|
|
for(; i>=0; i--){
|
|
put_rac(c, state+22+i, (a>>i)&1); //22..31
|
|
}
|
|
|
|
if(is_signed)
|
|
put_rac(c, state+11 + el, v < 0); //11..21
|
|
#else
|
|
|
|
put_rac(c, state+0, 0);
|
|
if(e<=9){
|
|
for(i=0; i<e; i++){
|
|
put_rac(c, state+1+i, 1); //1..10
|
|
}
|
|
put_rac(c, state+1+i, 0);
|
|
|
|
for(i=e-1; i>=0; i--){
|
|
put_rac(c, state+22+i, (a>>i)&1); //22..31
|
|
}
|
|
|
|
if(is_signed)
|
|
put_rac(c, state+11 + e, v < 0); //11..21
|
|
}else{
|
|
for(i=0; i<e; i++){
|
|
put_rac(c, state+1+FFMIN(i,9), 1); //1..10
|
|
}
|
|
put_rac(c, state+1+FFMIN(i,9), 0);
|
|
|
|
for(i=e-1; i>=0; i--){
|
|
put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
|
|
}
|
|
|
|
if(is_signed)
|
|
put_rac(c, state+11 + FFMIN(e,10), v < 0); //11..21
|
|
}
|
|
#endif
|
|
}else{
|
|
put_rac(c, state+0, 1);
|
|
}
|
|
}
|
|
|
|
static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){
|
|
if(get_rac(c, state+0))
|
|
return 0;
|
|
else{
|
|
int i, e, a;
|
|
e= 0;
|
|
while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
|
|
e++;
|
|
}
|
|
|
|
a= 1;
|
|
for(i=e-1; i>=0; i--){
|
|
a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
|
|
}
|
|
|
|
if(is_signed && get_rac(c, state+11 + FFMIN(e,10))) //11..21
|
|
return -a;
|
|
else
|
|
return a;
|
|
}
|
|
}
|
|
|
|
static inline void put_symbol2(RangeCoder *c, uint8_t *state, int v, int log2){
|
|
int i;
|
|
int r= log2>=0 ? 1<<log2 : 1;
|
|
|
|
assert(v>=0);
|
|
assert(log2>=-4);
|
|
|
|
while(v >= r){
|
|
put_rac(c, state+4+log2, 1);
|
|
v -= r;
|
|
log2++;
|
|
if(log2>0) r+=r;
|
|
}
|
|
put_rac(c, state+4+log2, 0);
|
|
|
|
for(i=log2-1; i>=0; i--){
|
|
put_rac(c, state+31-i, (v>>i)&1);
|
|
}
|
|
}
|
|
|
|
static inline int get_symbol2(RangeCoder *c, uint8_t *state, int log2){
|
|
int i;
|
|
int r= log2>=0 ? 1<<log2 : 1;
|
|
int v=0;
|
|
|
|
assert(log2>=-4);
|
|
|
|
while(get_rac(c, state+4+log2)){
|
|
v+= r;
|
|
log2++;
|
|
if(log2>0) r+=r;
|
|
}
|
|
|
|
for(i=log2-1; i>=0; i--){
|
|
v+= get_rac(c, state+31-i)<<i;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
static always_inline void lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
|
|
const int mirror_left= !highpass;
|
|
const int mirror_right= (width&1) ^ highpass;
|
|
const int w= (width>>1) - 1 + (highpass & width);
|
|
int i;
|
|
|
|
#define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
|
|
if(mirror_left){
|
|
dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
|
|
dst += dst_step;
|
|
src += src_step;
|
|
}
|
|
|
|
for(i=0; i<w; i++){
|
|
dst[i*dst_step] = LIFT(src[i*src_step], ((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift), inverse);
|
|
}
|
|
|
|
if(mirror_right){
|
|
dst[w*dst_step] = LIFT(src[w*src_step], ((mul*2*ref[w*ref_step]+add)>>shift), inverse);
|
|
}
|
|
}
|
|
|
|
static always_inline void lift5(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
|
|
const int mirror_left= !highpass;
|
|
const int mirror_right= (width&1) ^ highpass;
|
|
const int w= (width>>1) - 1 + (highpass & width);
|
|
int i;
|
|
|
|
if(mirror_left){
|
|
int r= 3*2*ref[0];
|
|
r += r>>4;
|
|
r += r>>8;
|
|
dst[0] = LIFT(src[0], ((r+add)>>shift), inverse);
|
|
dst += dst_step;
|
|
src += src_step;
|
|
}
|
|
|
|
for(i=0; i<w; i++){
|
|
int r= 3*(ref[i*ref_step] + ref[(i+1)*ref_step]);
|
|
r += r>>4;
|
|
r += r>>8;
|
|
dst[i*dst_step] = LIFT(src[i*src_step], ((r+add)>>shift), inverse);
|
|
}
|
|
|
|
if(mirror_right){
|
|
int r= 3*2*ref[w*ref_step];
|
|
r += r>>4;
|
|
r += r>>8;
|
|
dst[w*dst_step] = LIFT(src[w*src_step], ((r+add)>>shift), inverse);
|
|
}
|
|
}
|
|
|
|
static always_inline void liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
|
|
const int mirror_left= !highpass;
|
|
const int mirror_right= (width&1) ^ highpass;
|
|
const int w= (width>>1) - 1 + (highpass & width);
|
|
int i;
|
|
|
|
assert(shift == 4);
|
|
#define LIFTS(src, ref, inv) ((inv) ? (src) - (((ref) - 4*(src))>>shift): (16*4*(src) + 4*(ref) + 8 + (5<<27))/(5*16) - (1<<23))
|
|
if(mirror_left){
|
|
dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
|
|
dst += dst_step;
|
|
src += src_step;
|
|
}
|
|
|
|
for(i=0; i<w; i++){
|
|
dst[i*dst_step] = LIFTS(src[i*src_step], mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add, inverse);
|
|
}
|
|
|
|
if(mirror_right){
|
|
dst[w*dst_step] = LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
|
|
}
|
|
}
|
|
|
|
|
|
static void inplace_lift(DWTELEM *dst, int width, int *coeffs, int n, int shift, int start, int inverse){
|
|
int x, i;
|
|
|
|
for(x=start; x<width; x+=2){
|
|
int64_t sum=0;
|
|
|
|
for(i=0; i<n; i++){
|
|
int x2= x + 2*i - n + 1;
|
|
if (x2< 0) x2= -x2;
|
|
else if(x2>=width) x2= 2*width-x2-2;
|
|
sum += coeffs[i]*(int64_t)dst[x2];
|
|
}
|
|
if(inverse) dst[x] -= (sum + (1<<shift)/2)>>shift;
|
|
else dst[x] += (sum + (1<<shift)/2)>>shift;
|
|
}
|
|
}
|
|
|
|
static void inplace_liftV(DWTELEM *dst, int width, int height, int stride, int *coeffs, int n, int shift, int start, int inverse){
|
|
int x, y, i;
|
|
for(y=start; y<height; y+=2){
|
|
for(x=0; x<width; x++){
|
|
int64_t sum=0;
|
|
|
|
for(i=0; i<n; i++){
|
|
int y2= y + 2*i - n + 1;
|
|
if (y2< 0) y2= -y2;
|
|
else if(y2>=height) y2= 2*height-y2-2;
|
|
sum += coeffs[i]*(int64_t)dst[x + y2*stride];
|
|
}
|
|
if(inverse) dst[x + y*stride] -= (sum + (1<<shift)/2)>>shift;
|
|
else dst[x + y*stride] += (sum + (1<<shift)/2)>>shift;
|
|
}
|
|
}
|
|
}
|
|
|
|
#define SCALEX 1
|
|
#define LX0 0
|
|
#define LX1 1
|
|
|
|
#if 0 // more accurate 9/7
|
|
#define N1 2
|
|
#define SHIFT1 14
|
|
#define COEFFS1 (int[]){-25987,-25987}
|
|
#define N2 2
|
|
#define SHIFT2 19
|
|
#define COEFFS2 (int[]){-27777,-27777}
|
|
#define N3 2
|
|
#define SHIFT3 15
|
|
#define COEFFS3 (int[]){28931,28931}
|
|
#define N4 2
|
|
#define SHIFT4 15
|
|
#define COEFFS4 (int[]){14533,14533}
|
|
#elif 1 // 13/7 CRF
|
|
#define N1 4
|
|
#define SHIFT1 4
|
|
#define COEFFS1 (int[]){1,-9,-9,1}
|
|
#define N2 4
|
|
#define SHIFT2 4
|
|
#define COEFFS2 (int[]){-1,5,5,-1}
|
|
#define N3 0
|
|
#define SHIFT3 1
|
|
#define COEFFS3 NULL
|
|
#define N4 0
|
|
#define SHIFT4 1
|
|
#define COEFFS4 NULL
|
|
#elif 1 // 3/5
|
|
#define LX0 1
|
|
#define LX1 0
|
|
#define SCALEX 0.5
|
|
#define N1 2
|
|
#define SHIFT1 1
|
|
#define COEFFS1 (int[]){1,1}
|
|
#define N2 2
|
|
#define SHIFT2 2
|
|
#define COEFFS2 (int[]){-1,-1}
|
|
#define N3 0
|
|
#define SHIFT3 0
|
|
#define COEFFS3 NULL
|
|
#define N4 0
|
|
#define SHIFT4 0
|
|
#define COEFFS4 NULL
|
|
#elif 1 // 11/5
|
|
#define N1 0
|
|
#define SHIFT1 1
|
|
#define COEFFS1 NULL
|
|
#define N2 2
|
|
#define SHIFT2 2
|
|
#define COEFFS2 (int[]){-1,-1}
|
|
#define N3 2
|
|
#define SHIFT3 0
|
|
#define COEFFS3 (int[]){-1,-1}
|
|
#define N4 4
|
|
#define SHIFT4 7
|
|
#define COEFFS4 (int[]){-5,29,29,-5}
|
|
#define SCALEX 4
|
|
#elif 1 // 9/7 CDF
|
|
#define N1 2
|
|
#define SHIFT1 7
|
|
#define COEFFS1 (int[]){-203,-203}
|
|
#define N2 2
|
|
#define SHIFT2 12
|
|
#define COEFFS2 (int[]){-217,-217}
|
|
#define N3 2
|
|
#define SHIFT3 7
|
|
#define COEFFS3 (int[]){113,113}
|
|
#define N4 2
|
|
#define SHIFT4 9
|
|
#define COEFFS4 (int[]){227,227}
|
|
#define SCALEX 1
|
|
#elif 1 // 7/5 CDF
|
|
#define N1 0
|
|
#define SHIFT1 1
|
|
#define COEFFS1 NULL
|
|
#define N2 2
|
|
#define SHIFT2 2
|
|
#define COEFFS2 (int[]){-1,-1}
|
|
#define N3 2
|
|
#define SHIFT3 0
|
|
#define COEFFS3 (int[]){-1,-1}
|
|
#define N4 2
|
|
#define SHIFT4 4
|
|
#define COEFFS4 (int[]){3,3}
|
|
#elif 1 // 9/7 MN
|
|
#define N1 4
|
|
#define SHIFT1 4
|
|
#define COEFFS1 (int[]){1,-9,-9,1}
|
|
#define N2 2
|
|
#define SHIFT2 2
|
|
#define COEFFS2 (int[]){1,1}
|
|
#define N3 0
|
|
#define SHIFT3 1
|
|
#define COEFFS3 NULL
|
|
#define N4 0
|
|
#define SHIFT4 1
|
|
#define COEFFS4 NULL
|
|
#else // 13/7 CRF
|
|
#define N1 4
|
|
#define SHIFT1 4
|
|
#define COEFFS1 (int[]){1,-9,-9,1}
|
|
#define N2 4
|
|
#define SHIFT2 4
|
|
#define COEFFS2 (int[]){-1,5,5,-1}
|
|
#define N3 0
|
|
#define SHIFT3 1
|
|
#define COEFFS3 NULL
|
|
#define N4 0
|
|
#define SHIFT4 1
|
|
#define COEFFS4 NULL
|
|
#endif
|
|
static void horizontal_decomposeX(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int width2= width>>1;
|
|
const int w2= (width+1)>>1;
|
|
int A1,A2,A3,A4, x;
|
|
|
|
inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 0);
|
|
inplace_lift(b, width, COEFFS2, N2, SHIFT2, LX0, 0);
|
|
inplace_lift(b, width, COEFFS3, N3, SHIFT3, LX1, 0);
|
|
inplace_lift(b, width, COEFFS4, N4, SHIFT4, LX0, 0);
|
|
|
|
for(x=0; x<width2; x++){
|
|
temp[x ]= b[2*x ];
|
|
temp[x+w2]= b[2*x + 1];
|
|
}
|
|
if(width&1)
|
|
temp[x ]= b[2*x ];
|
|
memcpy(b, temp, width*sizeof(int));
|
|
}
|
|
|
|
static void horizontal_composeX(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int width2= width>>1;
|
|
int A1,A2,A3,A4, x;
|
|
const int w2= (width+1)>>1;
|
|
|
|
memcpy(temp, b, width*sizeof(int));
|
|
for(x=0; x<width2; x++){
|
|
b[2*x ]= temp[x ];
|
|
b[2*x + 1]= temp[x+w2];
|
|
}
|
|
if(width&1)
|
|
b[2*x ]= temp[x ];
|
|
|
|
inplace_lift(b, width, COEFFS4, N4, SHIFT4, LX0, 1);
|
|
inplace_lift(b, width, COEFFS3, N3, SHIFT3, LX1, 1);
|
|
inplace_lift(b, width, COEFFS2, N2, SHIFT2, LX0, 1);
|
|
inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 1);
|
|
}
|
|
|
|
static void spatial_decomposeX(DWTELEM *buffer, int width, int height, int stride){
|
|
int x, y;
|
|
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
buffer[y*stride + x] *= SCALEX;
|
|
}
|
|
}
|
|
|
|
for(y=0; y<height; y++){
|
|
horizontal_decomposeX(buffer + y*stride, width);
|
|
}
|
|
|
|
inplace_liftV(buffer, width, height, stride, COEFFS1, N1, SHIFT1, LX1, 0);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 0);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 0);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 0);
|
|
}
|
|
|
|
static void spatial_composeX(DWTELEM *buffer, int width, int height, int stride){
|
|
int x, y;
|
|
|
|
inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 1);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 1);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 1);
|
|
inplace_liftV(buffer, width, height, stride, COEFFS1, N1, SHIFT1, LX1, 1);
|
|
|
|
for(y=0; y<height; y++){
|
|
horizontal_composeX(buffer + y*stride, width);
|
|
}
|
|
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
buffer[y*stride + x] /= SCALEX;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void horizontal_decompose53i(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int width2= width>>1;
|
|
int A1,A2,A3,A4, x;
|
|
const int w2= (width+1)>>1;
|
|
|
|
for(x=0; x<width2; x++){
|
|
temp[x ]= b[2*x ];
|
|
temp[x+w2]= b[2*x + 1];
|
|
}
|
|
if(width&1)
|
|
temp[x ]= b[2*x ];
|
|
#if 0
|
|
A2= temp[1 ];
|
|
A4= temp[0 ];
|
|
A1= temp[0+width2];
|
|
A1 -= (A2 + A4)>>1;
|
|
A4 += (A1 + 1)>>1;
|
|
b[0+width2] = A1;
|
|
b[0 ] = A4;
|
|
for(x=1; x+1<width2; x+=2){
|
|
A3= temp[x+width2];
|
|
A4= temp[x+1 ];
|
|
A3 -= (A2 + A4)>>1;
|
|
A2 += (A1 + A3 + 2)>>2;
|
|
b[x+width2] = A3;
|
|
b[x ] = A2;
|
|
|
|
A1= temp[x+1+width2];
|
|
A2= temp[x+2 ];
|
|
A1 -= (A2 + A4)>>1;
|
|
A4 += (A1 + A3 + 2)>>2;
|
|
b[x+1+width2] = A1;
|
|
b[x+1 ] = A4;
|
|
}
|
|
A3= temp[width-1];
|
|
A3 -= A2;
|
|
A2 += (A1 + A3 + 2)>>2;
|
|
b[width -1] = A3;
|
|
b[width2-1] = A2;
|
|
#else
|
|
lift(b+w2, temp+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
|
|
lift(b , temp , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
|
|
#endif
|
|
}
|
|
|
|
static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] -= (b0[i] + b2[i])>>1;
|
|
}
|
|
}
|
|
|
|
static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] += (b0[i] + b2[i] + 2)>>2;
|
|
}
|
|
}
|
|
|
|
static void spatial_decompose53i(DWTELEM *buffer, int width, int height, int stride){
|
|
int y;
|
|
DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;
|
|
DWTELEM *b1= buffer + mirror(-2 , height-1)*stride;
|
|
|
|
for(y=-2; y<height; y+=2){
|
|
DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
|
|
DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
|
|
|
|
{START_TIMER
|
|
if(b1 <= b3) horizontal_decompose53i(b2, width);
|
|
if(y+2 < height) horizontal_decompose53i(b3, width);
|
|
STOP_TIMER("horizontal_decompose53i")}
|
|
|
|
{START_TIMER
|
|
if(b1 <= b3) vertical_decompose53iH0(b1, b2, b3, width);
|
|
if(b0 <= b2) vertical_decompose53iL0(b0, b1, b2, width);
|
|
STOP_TIMER("vertical_decompose53i*")}
|
|
|
|
b0=b2;
|
|
b1=b3;
|
|
}
|
|
}
|
|
|
|
#define liftS lift
|
|
#define lift5 lift
|
|
#if 1
|
|
#define W_AM 3
|
|
#define W_AO 0
|
|
#define W_AS 1
|
|
|
|
#undef liftS
|
|
#define W_BM 1
|
|
#define W_BO 8
|
|
#define W_BS 4
|
|
|
|
#define W_CM 1
|
|
#define W_CO 0
|
|
#define W_CS 0
|
|
|
|
#define W_DM 3
|
|
#define W_DO 4
|
|
#define W_DS 3
|
|
#elif 0
|
|
#define W_AM 55
|
|
#define W_AO 16
|
|
#define W_AS 5
|
|
|
|
#define W_BM 3
|
|
#define W_BO 32
|
|
#define W_BS 6
|
|
|
|
#define W_CM 127
|
|
#define W_CO 64
|
|
#define W_CS 7
|
|
|
|
#define W_DM 7
|
|
#define W_DO 8
|
|
#define W_DS 4
|
|
#elif 0
|
|
#define W_AM 97
|
|
#define W_AO 32
|
|
#define W_AS 6
|
|
|
|
#define W_BM 63
|
|
#define W_BO 512
|
|
#define W_BS 10
|
|
|
|
#define W_CM 13
|
|
#define W_CO 8
|
|
#define W_CS 4
|
|
|
|
#define W_DM 15
|
|
#define W_DO 16
|
|
#define W_DS 5
|
|
|
|
#else
|
|
|
|
#define W_AM 203
|
|
#define W_AO 64
|
|
#define W_AS 7
|
|
|
|
#define W_BM 217
|
|
#define W_BO 2048
|
|
#define W_BS 12
|
|
|
|
#define W_CM 113
|
|
#define W_CO 64
|
|
#define W_CS 7
|
|
|
|
#define W_DM 227
|
|
#define W_DO 128
|
|
#define W_DS 9
|
|
#endif
|
|
static void horizontal_decompose97i(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int w2= (width+1)>>1;
|
|
|
|
lift (temp+w2, b +1, b , 1, 2, 2, width, -W_AM, W_AO, W_AS, 1, 0);
|
|
liftS(temp , b , temp+w2, 1, 2, 1, width, -W_BM, W_BO, W_BS, 0, 0);
|
|
lift5(b +w2, temp+w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
|
|
lift (b , temp , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
|
|
}
|
|
|
|
|
|
static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] -= (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
|
|
}
|
|
}
|
|
|
|
static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
#ifdef lift5
|
|
b1[i] += (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
|
|
#else
|
|
int r= 3*(b0[i] + b2[i]);
|
|
r+= r>>4;
|
|
r+= r>>8;
|
|
b1[i] += (r+W_CO)>>W_CS;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
#ifdef liftS
|
|
b1[i] -= (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
|
|
#else
|
|
b1[i] = (16*4*b1[i] - 4*(b0[i] + b2[i]) + 8*5 + (5<<27)) / (5*16) - (1<<23);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] += (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
|
|
}
|
|
}
|
|
|
|
static void spatial_decompose97i(DWTELEM *buffer, int width, int height, int stride){
|
|
int y;
|
|
DWTELEM *b0= buffer + mirror(-4-1, height-1)*stride;
|
|
DWTELEM *b1= buffer + mirror(-4 , height-1)*stride;
|
|
DWTELEM *b2= buffer + mirror(-4+1, height-1)*stride;
|
|
DWTELEM *b3= buffer + mirror(-4+2, height-1)*stride;
|
|
|
|
for(y=-4; y<height; y+=2){
|
|
DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
|
|
DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
|
|
|
|
{START_TIMER
|
|
if(b3 <= b5) horizontal_decompose97i(b4, width);
|
|
if(y+4 < height) horizontal_decompose97i(b5, width);
|
|
if(width>400){
|
|
STOP_TIMER("horizontal_decompose97i")
|
|
}}
|
|
|
|
{START_TIMER
|
|
if(b3 <= b5) vertical_decompose97iH0(b3, b4, b5, width);
|
|
if(b2 <= b4) vertical_decompose97iL0(b2, b3, b4, width);
|
|
if(b1 <= b3) vertical_decompose97iH1(b1, b2, b3, width);
|
|
if(b0 <= b2) vertical_decompose97iL1(b0, b1, b2, width);
|
|
|
|
if(width>400){
|
|
STOP_TIMER("vertical_decompose97i")
|
|
}}
|
|
|
|
b0=b2;
|
|
b1=b3;
|
|
b2=b4;
|
|
b3=b5;
|
|
}
|
|
}
|
|
|
|
void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
|
|
int level;
|
|
|
|
for(level=0; level<decomposition_count; level++){
|
|
switch(type){
|
|
case 0: spatial_decompose97i(buffer, width>>level, height>>level, stride<<level); break;
|
|
case 1: spatial_decompose53i(buffer, width>>level, height>>level, stride<<level); break;
|
|
case 2: spatial_decomposeX (buffer, width>>level, height>>level, stride<<level); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void horizontal_compose53i(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int width2= width>>1;
|
|
const int w2= (width+1)>>1;
|
|
int A1,A2,A3,A4, x;
|
|
|
|
#if 0
|
|
A2= temp[1 ];
|
|
A4= temp[0 ];
|
|
A1= temp[0+width2];
|
|
A1 -= (A2 + A4)>>1;
|
|
A4 += (A1 + 1)>>1;
|
|
b[0+width2] = A1;
|
|
b[0 ] = A4;
|
|
for(x=1; x+1<width2; x+=2){
|
|
A3= temp[x+width2];
|
|
A4= temp[x+1 ];
|
|
A3 -= (A2 + A4)>>1;
|
|
A2 += (A1 + A3 + 2)>>2;
|
|
b[x+width2] = A3;
|
|
b[x ] = A2;
|
|
|
|
A1= temp[x+1+width2];
|
|
A2= temp[x+2 ];
|
|
A1 -= (A2 + A4)>>1;
|
|
A4 += (A1 + A3 + 2)>>2;
|
|
b[x+1+width2] = A1;
|
|
b[x+1 ] = A4;
|
|
}
|
|
A3= temp[width-1];
|
|
A3 -= A2;
|
|
A2 += (A1 + A3 + 2)>>2;
|
|
b[width -1] = A3;
|
|
b[width2-1] = A2;
|
|
#else
|
|
lift(temp , b , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 1);
|
|
lift(temp+w2, b+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 1);
|
|
#endif
|
|
for(x=0; x<width2; x++){
|
|
b[2*x ]= temp[x ];
|
|
b[2*x + 1]= temp[x+w2];
|
|
}
|
|
if(width&1)
|
|
b[2*x ]= temp[x ];
|
|
}
|
|
|
|
static void vertical_compose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] += (b0[i] + b2[i])>>1;
|
|
}
|
|
}
|
|
|
|
static void vertical_compose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] -= (b0[i] + b2[i] + 2)>>2;
|
|
}
|
|
}
|
|
|
|
static void spatial_compose53i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
|
|
cs->b0 = slice_buffer_get_line(sb, mirror(-1-1, height-1) * stride_line);
|
|
cs->b1 = slice_buffer_get_line(sb, mirror(-1 , height-1) * stride_line);
|
|
cs->y = -1;
|
|
}
|
|
|
|
static void spatial_compose53i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
|
|
cs->b0 = buffer + mirror(-1-1, height-1)*stride;
|
|
cs->b1 = buffer + mirror(-1 , height-1)*stride;
|
|
cs->y = -1;
|
|
}
|
|
|
|
static void spatial_compose53i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
|
|
int y= cs->y;
|
|
int mirror0 = mirror(y-1, height-1);
|
|
int mirror1 = mirror(y , height-1);
|
|
int mirror2 = mirror(y+1, height-1);
|
|
int mirror3 = mirror(y+2, height-1);
|
|
|
|
DWTELEM *b0= cs->b0;
|
|
DWTELEM *b1= cs->b1;
|
|
DWTELEM *b2= slice_buffer_get_line(sb, mirror2 * stride_line);
|
|
DWTELEM *b3= slice_buffer_get_line(sb, mirror3 * stride_line);
|
|
|
|
{START_TIMER
|
|
if(mirror1 <= mirror3) vertical_compose53iL0(b1, b2, b3, width);
|
|
if(mirror0 <= mirror2) vertical_compose53iH0(b0, b1, b2, width);
|
|
STOP_TIMER("vertical_compose53i*")}
|
|
|
|
{START_TIMER
|
|
if(y-1 >= 0) horizontal_compose53i(b0, width);
|
|
if(mirror0 <= mirror2) horizontal_compose53i(b1, width);
|
|
STOP_TIMER("horizontal_compose53i")}
|
|
|
|
cs->b0 = b2;
|
|
cs->b1 = b3;
|
|
cs->y += 2;
|
|
}
|
|
|
|
static void spatial_compose53i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
|
|
int y= cs->y;
|
|
DWTELEM *b0= cs->b0;
|
|
DWTELEM *b1= cs->b1;
|
|
DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
|
|
DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
|
|
|
|
{START_TIMER
|
|
if(b1 <= b3) vertical_compose53iL0(b1, b2, b3, width);
|
|
if(b0 <= b2) vertical_compose53iH0(b0, b1, b2, width);
|
|
STOP_TIMER("vertical_compose53i*")}
|
|
|
|
{START_TIMER
|
|
if(y-1 >= 0) horizontal_compose53i(b0, width);
|
|
if(b0 <= b2) horizontal_compose53i(b1, width);
|
|
STOP_TIMER("horizontal_compose53i")}
|
|
|
|
cs->b0 = b2;
|
|
cs->b1 = b3;
|
|
cs->y += 2;
|
|
}
|
|
|
|
static void spatial_compose53i(DWTELEM *buffer, int width, int height, int stride){
|
|
dwt_compose_t cs;
|
|
spatial_compose53i_init(&cs, buffer, height, stride);
|
|
while(cs.y <= height)
|
|
spatial_compose53i_dy(&cs, buffer, width, height, stride);
|
|
}
|
|
|
|
|
|
static void horizontal_compose97i(DWTELEM *b, int width){
|
|
DWTELEM temp[width];
|
|
const int w2= (width+1)>>1;
|
|
|
|
lift (temp , b , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 1);
|
|
lift5(temp+w2, b +w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 1);
|
|
liftS(b , temp , temp+w2, 2, 1, 1, width, -W_BM, W_BO, W_BS, 0, 1);
|
|
lift (b+1 , temp+w2, b , 2, 1, 2, width, -W_AM, W_AO, W_AS, 1, 1);
|
|
}
|
|
|
|
static void vertical_compose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
|
|
}
|
|
}
|
|
|
|
static void vertical_compose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
#ifdef lift5
|
|
b1[i] -= (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
|
|
#else
|
|
int r= 3*(b0[i] + b2[i]);
|
|
r+= r>>4;
|
|
r+= r>>8;
|
|
b1[i] -= (r+W_CO)>>W_CS;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void vertical_compose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
#ifdef liftS
|
|
b1[i] += (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
|
|
#else
|
|
b1[i] += (W_BM*(b0[i] + b2[i])+4*b1[i]+W_BO)>>W_BS;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void vertical_compose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
b1[i] -= (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
|
|
}
|
|
}
|
|
|
|
static void vertical_compose97i(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
|
|
int i;
|
|
|
|
for(i=0; i<width; i++){
|
|
int r;
|
|
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
|
|
#ifdef lift5
|
|
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
|
|
#else
|
|
r= 3*(b2[i] + b4[i]);
|
|
r+= r>>4;
|
|
r+= r>>8;
|
|
b3[i] -= (r+W_CO)>>W_CS;
|
|
#endif
|
|
#ifdef liftS
|
|
b2[i] += (W_BM*(b1[i] + b3[i])+W_BO)>>W_BS;
|
|
#else
|
|
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
|
|
#endif
|
|
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
|
|
}
|
|
}
|
|
|
|
static void spatial_compose97i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
|
|
cs->b0 = slice_buffer_get_line(sb, mirror(-3-1, height-1) * stride_line);
|
|
cs->b1 = slice_buffer_get_line(sb, mirror(-3 , height-1) * stride_line);
|
|
cs->b2 = slice_buffer_get_line(sb, mirror(-3+1, height-1) * stride_line);
|
|
cs->b3 = slice_buffer_get_line(sb, mirror(-3+2, height-1) * stride_line);
|
|
cs->y = -3;
|
|
}
|
|
|
|
static void spatial_compose97i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
|
|
cs->b0 = buffer + mirror(-3-1, height-1)*stride;
|
|
cs->b1 = buffer + mirror(-3 , height-1)*stride;
|
|
cs->b2 = buffer + mirror(-3+1, height-1)*stride;
|
|
cs->b3 = buffer + mirror(-3+2, height-1)*stride;
|
|
cs->y = -3;
|
|
}
|
|
|
|
static void spatial_compose97i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
|
|
int y = cs->y;
|
|
|
|
int mirror0 = mirror(y - 1, height - 1);
|
|
int mirror1 = mirror(y + 0, height - 1);
|
|
int mirror2 = mirror(y + 1, height - 1);
|
|
int mirror3 = mirror(y + 2, height - 1);
|
|
int mirror4 = mirror(y + 3, height - 1);
|
|
int mirror5 = mirror(y + 4, height - 1);
|
|
DWTELEM *b0= cs->b0;
|
|
DWTELEM *b1= cs->b1;
|
|
DWTELEM *b2= cs->b2;
|
|
DWTELEM *b3= cs->b3;
|
|
DWTELEM *b4= slice_buffer_get_line(sb, mirror4 * stride_line);
|
|
DWTELEM *b5= slice_buffer_get_line(sb, mirror5 * stride_line);
|
|
|
|
{START_TIMER
|
|
if(y>0 && y+4<height){
|
|
vertical_compose97i(b0, b1, b2, b3, b4, b5, width);
|
|
}else{
|
|
if(mirror3 <= mirror5) vertical_compose97iL1(b3, b4, b5, width);
|
|
if(mirror2 <= mirror4) vertical_compose97iH1(b2, b3, b4, width);
|
|
if(mirror1 <= mirror3) vertical_compose97iL0(b1, b2, b3, width);
|
|
if(mirror0 <= mirror2) vertical_compose97iH0(b0, b1, b2, width);
|
|
}
|
|
if(width>400){
|
|
STOP_TIMER("vertical_compose97i")}}
|
|
|
|
{START_TIMER
|
|
if(y-1>= 0) horizontal_compose97i(b0, width);
|
|
if(mirror0 <= mirror2) horizontal_compose97i(b1, width);
|
|
if(width>400 && mirror0 <= mirror2){
|
|
STOP_TIMER("horizontal_compose97i")}}
|
|
|
|
cs->b0=b2;
|
|
cs->b1=b3;
|
|
cs->b2=b4;
|
|
cs->b3=b5;
|
|
cs->y += 2;
|
|
}
|
|
|
|
static void spatial_compose97i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
|
|
int y = cs->y;
|
|
DWTELEM *b0= cs->b0;
|
|
DWTELEM *b1= cs->b1;
|
|
DWTELEM *b2= cs->b2;
|
|
DWTELEM *b3= cs->b3;
|
|
DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
|
|
DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
|
|
|
|
if(stride == width && y+4 < height && 0){
|
|
int x;
|
|
for(x=0; x<width/2; x++)
|
|
b5[x] += 64*2;
|
|
for(; x<width; x++)
|
|
b5[x] += 169*2;
|
|
}
|
|
|
|
{START_TIMER
|
|
if(b3 <= b5) vertical_compose97iL1(b3, b4, b5, width);
|
|
if(b2 <= b4) vertical_compose97iH1(b2, b3, b4, width);
|
|
if(b1 <= b3) vertical_compose97iL0(b1, b2, b3, width);
|
|
if(b0 <= b2) vertical_compose97iH0(b0, b1, b2, width);
|
|
if(width>400){
|
|
STOP_TIMER("vertical_compose97i")}}
|
|
|
|
{START_TIMER
|
|
if(y-1>= 0) horizontal_compose97i(b0, width);
|
|
if(b0 <= b2) horizontal_compose97i(b1, width);
|
|
if(width>400 && b0 <= b2){
|
|
STOP_TIMER("horizontal_compose97i")}}
|
|
|
|
cs->b0=b2;
|
|
cs->b1=b3;
|
|
cs->b2=b4;
|
|
cs->b3=b5;
|
|
cs->y += 2;
|
|
}
|
|
|
|
static void spatial_compose97i(DWTELEM *buffer, int width, int height, int stride){
|
|
dwt_compose_t cs;
|
|
spatial_compose97i_init(&cs, buffer, height, stride);
|
|
while(cs.y <= height)
|
|
spatial_compose97i_dy(&cs, buffer, width, height, stride);
|
|
}
|
|
|
|
void ff_spatial_idwt_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count){
|
|
int level;
|
|
for(level=decomposition_count-1; level>=0; level--){
|
|
switch(type){
|
|
case 0: spatial_compose97i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
|
|
case 1: spatial_compose53i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
|
|
/* not slicified yet */
|
|
case 2: /*spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;*/
|
|
av_log(NULL, AV_LOG_ERROR, "spatial_composeX neither buffered nor slicified yet.\n"); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_spatial_idwt_init(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
|
|
int level;
|
|
for(level=decomposition_count-1; level>=0; level--){
|
|
switch(type){
|
|
case 0: spatial_compose97i_init(cs+level, buffer, height>>level, stride<<level); break;
|
|
case 1: spatial_compose53i_init(cs+level, buffer, height>>level, stride<<level); break;
|
|
/* not slicified yet */
|
|
case 2: spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_spatial_idwt_slice(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y){
|
|
const int support = type==1 ? 3 : 5;
|
|
int level;
|
|
if(type==2) return;
|
|
|
|
for(level=decomposition_count-1; level>=0; level--){
|
|
while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
|
|
switch(type){
|
|
case 0: spatial_compose97i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
|
|
break;
|
|
case 1: spatial_compose53i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
|
|
break;
|
|
case 2: break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_spatial_idwt_buffered_slice(dwt_compose_t *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y){
|
|
const int support = type==1 ? 3 : 5;
|
|
int level;
|
|
if(type==2) return;
|
|
|
|
for(level=decomposition_count-1; level>=0; level--){
|
|
while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
|
|
switch(type){
|
|
case 0: spatial_compose97i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
|
|
break;
|
|
case 1: spatial_compose53i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
|
|
break;
|
|
case 2: break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_spatial_idwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
|
|
if(type==2){
|
|
int level;
|
|
for(level=decomposition_count-1; level>=0; level--)
|
|
spatial_composeX (buffer, width>>level, height>>level, stride<<level);
|
|
}else{
|
|
dwt_compose_t cs[MAX_DECOMPOSITIONS];
|
|
int y;
|
|
ff_spatial_idwt_init(cs, buffer, width, height, stride, type, decomposition_count);
|
|
for(y=0; y<height; y+=4)
|
|
ff_spatial_idwt_slice(cs, buffer, width, height, stride, type, decomposition_count, y);
|
|
}
|
|
}
|
|
|
|
static int encode_subband_c0run(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
int x, y;
|
|
|
|
if(1){
|
|
int run=0;
|
|
int runs[w*h];
|
|
int run_index=0;
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int v, p=0;
|
|
int /*ll=0, */l=0, lt=0, t=0, rt=0;
|
|
v= src[x + y*stride];
|
|
|
|
if(y){
|
|
t= src[x + (y-1)*stride];
|
|
if(x){
|
|
lt= src[x - 1 + (y-1)*stride];
|
|
}
|
|
if(x + 1 < w){
|
|
rt= src[x + 1 + (y-1)*stride];
|
|
}
|
|
}
|
|
if(x){
|
|
l= src[x - 1 + y*stride];
|
|
/*if(x > 1){
|
|
if(orientation==1) ll= src[y + (x-2)*stride];
|
|
else ll= src[x - 2 + y*stride];
|
|
}*/
|
|
}
|
|
if(parent){
|
|
int px= x>>1;
|
|
int py= y>>1;
|
|
if(px<b->parent->width && py<b->parent->height)
|
|
p= parent[px + py*2*stride];
|
|
}
|
|
if(!(/*ll|*/l|lt|t|rt|p)){
|
|
if(v){
|
|
runs[run_index++]= run;
|
|
run=0;
|
|
}else{
|
|
run++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
runs[run_index++]= run;
|
|
run_index=0;
|
|
run= runs[run_index++];
|
|
|
|
put_symbol2(&s->c, b->state[1], run, 3);
|
|
|
|
for(y=0; y<h; y++){
|
|
if(s->c.bytestream_end - s->c.bytestream < w*40){
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return -1;
|
|
}
|
|
for(x=0; x<w; x++){
|
|
int v, p=0;
|
|
int /*ll=0, */l=0, lt=0, t=0, rt=0;
|
|
v= src[x + y*stride];
|
|
|
|
if(y){
|
|
t= src[x + (y-1)*stride];
|
|
if(x){
|
|
lt= src[x - 1 + (y-1)*stride];
|
|
}
|
|
if(x + 1 < w){
|
|
rt= src[x + 1 + (y-1)*stride];
|
|
}
|
|
}
|
|
if(x){
|
|
l= src[x - 1 + y*stride];
|
|
/*if(x > 1){
|
|
if(orientation==1) ll= src[y + (x-2)*stride];
|
|
else ll= src[x - 2 + y*stride];
|
|
}*/
|
|
}
|
|
if(parent){
|
|
int px= x>>1;
|
|
int py= y>>1;
|
|
if(px<b->parent->width && py<b->parent->height)
|
|
p= parent[px + py*2*stride];
|
|
}
|
|
if(/*ll|*/l|lt|t|rt|p){
|
|
int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
|
|
|
|
put_rac(&s->c, &b->state[0][context], !!v);
|
|
}else{
|
|
if(!run){
|
|
run= runs[run_index++];
|
|
|
|
put_symbol2(&s->c, b->state[1], run, 3);
|
|
assert(v);
|
|
}else{
|
|
run--;
|
|
assert(!v);
|
|
}
|
|
}
|
|
if(v){
|
|
int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
|
|
int l2= 2*ABS(l) + (l<0);
|
|
int t2= 2*ABS(t) + (t<0);
|
|
|
|
put_symbol2(&s->c, b->state[context + 2], ABS(v)-1, context-4);
|
|
put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
|
|
// encode_subband_qtree(s, b, src, parent, stride, orientation);
|
|
// encode_subband_z0run(s, b, src, parent, stride, orientation);
|
|
return encode_subband_c0run(s, b, src, parent, stride, orientation);
|
|
// encode_subband_dzr(s, b, src, parent, stride, orientation);
|
|
}
|
|
|
|
static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
int x,y;
|
|
|
|
if(1){
|
|
int run;
|
|
int index=0;
|
|
int prev_index=-1;
|
|
int prev2_index=0;
|
|
int parent_index= 0;
|
|
int prev_parent_index= 0;
|
|
|
|
run= get_symbol2(&s->c, b->state[1], 3);
|
|
for(y=0; y<h; y++){
|
|
int v=0;
|
|
int lt=0, t=0, rt=0;
|
|
|
|
if(y && b->x_coeff[prev_index].x == 0){
|
|
rt= b->x_coeff[prev_index].coeff;
|
|
}
|
|
for(x=0; x<w; x++){
|
|
int p=0;
|
|
const int l= v;
|
|
|
|
lt= t; t= rt;
|
|
|
|
if(y){
|
|
if(b->x_coeff[prev_index].x <= x)
|
|
prev_index++;
|
|
if(b->x_coeff[prev_index].x == x + 1)
|
|
rt= b->x_coeff[prev_index].coeff;
|
|
else
|
|
rt=0;
|
|
}
|
|
if(parent){
|
|
if(x>>1 > parent->x_coeff[parent_index].x){
|
|
parent_index++;
|
|
}
|
|
if(x>>1 == parent->x_coeff[parent_index].x){
|
|
p= parent->x_coeff[parent_index].coeff;
|
|
}
|
|
}
|
|
if(/*ll|*/l|lt|t|rt|p){
|
|
int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
|
|
|
|
v=get_rac(&s->c, &b->state[0][context]);
|
|
}else{
|
|
if(!run){
|
|
run= get_symbol2(&s->c, b->state[1], 3);
|
|
v=1;
|
|
}else{
|
|
run--;
|
|
v=0;
|
|
|
|
if(y && parent){
|
|
int max_run;
|
|
|
|
max_run= FFMIN(run, b->x_coeff[prev_index].x - x - 2);
|
|
max_run= FFMIN(max_run, 2*parent->x_coeff[parent_index].x - x - 1);
|
|
x+= max_run;
|
|
run-= max_run;
|
|
}
|
|
}
|
|
}
|
|
if(v){
|
|
int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
|
|
v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
|
|
v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
|
|
|
|
b->x_coeff[index].x=x;
|
|
b->x_coeff[index++].coeff= v;
|
|
}
|
|
}
|
|
b->x_coeff[index++].x= w+1; //end marker
|
|
prev_index= prev2_index;
|
|
prev2_index= index;
|
|
|
|
if(parent){
|
|
if(y&1){
|
|
while(parent->x_coeff[parent_index].x != parent->width+1)
|
|
parent_index++;
|
|
parent_index++;
|
|
prev_parent_index= parent_index;
|
|
}else{
|
|
parent_index= prev_parent_index;
|
|
}
|
|
}
|
|
}
|
|
|
|
b->x_coeff[index++].x= w+1; //end marker
|
|
}
|
|
}
|
|
|
|
static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){
|
|
const int w= b->width;
|
|
int x,y;
|
|
const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
|
|
int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
|
|
int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
|
|
int new_index = 0;
|
|
|
|
START_TIMER
|
|
|
|
if(b->buf == s->spatial_dwt_buffer || s->qlog == LOSSLESS_QLOG){
|
|
qadd= 0;
|
|
qmul= 1<<QEXPSHIFT;
|
|
}
|
|
|
|
/* If we are on the second or later slice, restore our index. */
|
|
if (start_y != 0)
|
|
new_index = save_state[0];
|
|
|
|
|
|
for(y=start_y; y<h; y++){
|
|
int x = 0;
|
|
int v;
|
|
DWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset;
|
|
memset(line, 0, b->width*sizeof(DWTELEM));
|
|
v = b->x_coeff[new_index].coeff;
|
|
x = b->x_coeff[new_index++].x;
|
|
while(x < w)
|
|
{
|
|
register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT;
|
|
register int u= -(v&1);
|
|
line[x] = (t^u) - u;
|
|
|
|
v = b->x_coeff[new_index].coeff;
|
|
x = b->x_coeff[new_index++].x;
|
|
}
|
|
}
|
|
if(w > 200 && start_y != 0/*level+1 == s->spatial_decomposition_count*/){
|
|
STOP_TIMER("decode_subband")
|
|
}
|
|
|
|
/* Save our variables for the next slice. */
|
|
save_state[0] = new_index;
|
|
|
|
return;
|
|
}
|
|
|
|
static void reset_contexts(SnowContext *s){
|
|
int plane_index, level, orientation;
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1:0; orientation<4; orientation++){
|
|
memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
|
|
}
|
|
}
|
|
}
|
|
memset(s->header_state, MID_STATE, sizeof(s->header_state));
|
|
memset(s->block_state, MID_STATE, sizeof(s->block_state));
|
|
}
|
|
|
|
static int alloc_blocks(SnowContext *s){
|
|
int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
|
|
int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
|
|
|
|
s->b_width = w;
|
|
s->b_height= h;
|
|
|
|
s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2));
|
|
return 0;
|
|
}
|
|
|
|
static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){
|
|
uint8_t *bytestream= d->bytestream;
|
|
uint8_t *bytestream_start= d->bytestream_start;
|
|
*d= *s;
|
|
d->bytestream= bytestream;
|
|
d->bytestream_start= bytestream_start;
|
|
}
|
|
|
|
//near copy & paste from dsputil, FIXME
|
|
static int pix_sum(uint8_t * pix, int line_size, int w)
|
|
{
|
|
int s, i, j;
|
|
|
|
s = 0;
|
|
for (i = 0; i < w; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
s += pix[0];
|
|
pix ++;
|
|
}
|
|
pix += line_size - w;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
//near copy & paste from dsputil, FIXME
|
|
static int pix_norm1(uint8_t * pix, int line_size, int w)
|
|
{
|
|
int s, i, j;
|
|
uint32_t *sq = squareTbl + 256;
|
|
|
|
s = 0;
|
|
for (i = 0; i < w; i++) {
|
|
for (j = 0; j < w; j ++) {
|
|
s += sq[pix[0]];
|
|
pix ++;
|
|
}
|
|
pix += line_size - w;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int type){
|
|
const int w= s->b_width << s->block_max_depth;
|
|
const int rem_depth= s->block_max_depth - level;
|
|
const int index= (x + y*w) << rem_depth;
|
|
const int block_w= 1<<rem_depth;
|
|
BlockNode block;
|
|
int i,j;
|
|
|
|
block.color[0]= l;
|
|
block.color[1]= cb;
|
|
block.color[2]= cr;
|
|
block.mx= mx;
|
|
block.my= my;
|
|
block.type= type;
|
|
block.level= level;
|
|
|
|
for(j=0; j<block_w; j++){
|
|
for(i=0; i<block_w; i++){
|
|
s->block[index + i + j*w]= block;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
|
|
const int offset[3]= {
|
|
y*c-> stride + x,
|
|
((y*c->uvstride + x)>>1),
|
|
((y*c->uvstride + x)>>1),
|
|
};
|
|
int i;
|
|
for(i=0; i<3; i++){
|
|
c->src[0][i]= src [i];
|
|
c->ref[0][i]= ref [i] + offset[i];
|
|
}
|
|
assert(!ref_index);
|
|
}
|
|
|
|
//FIXME copy&paste
|
|
#define P_LEFT P[1]
|
|
#define P_TOP P[2]
|
|
#define P_TOPRIGHT P[3]
|
|
#define P_MEDIAN P[4]
|
|
#define P_MV1 P[9]
|
|
#define FLAG_QPEL 1 //must be 1
|
|
|
|
static int encode_q_branch(SnowContext *s, int level, int x, int y){
|
|
uint8_t p_buffer[1024];
|
|
uint8_t i_buffer[1024];
|
|
uint8_t p_state[sizeof(s->block_state)];
|
|
uint8_t i_state[sizeof(s->block_state)];
|
|
RangeCoder pc, ic;
|
|
uint8_t *pbbak= s->c.bytestream;
|
|
uint8_t *pbbak_start= s->c.bytestream_start;
|
|
int score, score2, iscore, i_len, p_len, block_s, sum;
|
|
const int w= s->b_width << s->block_max_depth;
|
|
const int h= s->b_height << s->block_max_depth;
|
|
const int rem_depth= s->block_max_depth - level;
|
|
const int index= (x + y*w) << rem_depth;
|
|
const int block_w= 1<<(LOG2_MB_SIZE - level);
|
|
static BlockNode null_block= { //FIXME add border maybe
|
|
.color= {128,128,128},
|
|
.mx= 0,
|
|
.my= 0,
|
|
.type= 0,
|
|
.level= 0,
|
|
};
|
|
int trx= (x+1)<<rem_depth;
|
|
int try= (y+1)<<rem_depth;
|
|
BlockNode *left = x ? &s->block[index-1] : &null_block;
|
|
BlockNode *top = y ? &s->block[index-w] : &null_block;
|
|
BlockNode *right = trx<w ? &s->block[index+1] : &null_block;
|
|
BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
|
|
BlockNode *tl = y && x ? &s->block[index-w-1] : left;
|
|
BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
|
|
int pl = left->color[0];
|
|
int pcb= left->color[1];
|
|
int pcr= left->color[2];
|
|
int pmx= mid_pred(left->mx, top->mx, tr->mx);
|
|
int pmy= mid_pred(left->my, top->my, tr->my);
|
|
int mx=0, my=0;
|
|
int l,cr,cb, i;
|
|
const int stride= s->current_picture.linesize[0];
|
|
const int uvstride= s->current_picture.linesize[1];
|
|
const int instride= s->input_picture.linesize[0];
|
|
const int uvinstride= s->input_picture.linesize[1];
|
|
uint8_t *new_l = s->input_picture.data[0] + (x + y* instride)*block_w;
|
|
uint8_t *new_cb= s->input_picture.data[1] + (x + y*uvinstride)*block_w/2;
|
|
uint8_t *new_cr= s->input_picture.data[2] + (x + y*uvinstride)*block_w/2;
|
|
uint8_t current_mb[3][stride*block_w];
|
|
uint8_t *current_data[3]= {¤t_mb[0][0], ¤t_mb[1][0], ¤t_mb[2][0]};
|
|
int P[10][2];
|
|
int16_t last_mv[3][2];
|
|
int qpel= !!(s->avctx->flags & CODEC_FLAG_QPEL); //unused
|
|
const int shift= 1+qpel;
|
|
MotionEstContext *c= &s->m.me;
|
|
int mx_context= av_log2(2*ABS(left->mx - top->mx));
|
|
int my_context= av_log2(2*ABS(left->my - top->my));
|
|
int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
|
|
|
|
assert(sizeof(s->block_state) >= 256);
|
|
if(s->keyframe){
|
|
set_blocks(s, level, x, y, pl, pcb, pcr, pmx, pmy, BLOCK_INTRA);
|
|
return 0;
|
|
}
|
|
|
|
//FIXME optimize
|
|
for(i=0; i<block_w; i++)
|
|
memcpy(¤t_mb[0][0] + stride*i, new_l + instride*i, block_w);
|
|
for(i=0; i<block_w>>1; i++)
|
|
memcpy(¤t_mb[1][0] + uvstride*i, new_cb + uvinstride*i, block_w>>1);
|
|
for(i=0; i<block_w>>1; i++)
|
|
memcpy(¤t_mb[2][0] + uvstride*i, new_cr + uvinstride*i, block_w>>1);
|
|
|
|
// clip predictors / edge ?
|
|
|
|
P_LEFT[0]= left->mx;
|
|
P_LEFT[1]= left->my;
|
|
P_TOP [0]= top->mx;
|
|
P_TOP [1]= top->my;
|
|
P_TOPRIGHT[0]= tr->mx;
|
|
P_TOPRIGHT[1]= tr->my;
|
|
|
|
last_mv[0][0]= s->block[index].mx;
|
|
last_mv[0][1]= s->block[index].my;
|
|
last_mv[1][0]= right->mx;
|
|
last_mv[1][1]= right->my;
|
|
last_mv[2][0]= bottom->mx;
|
|
last_mv[2][1]= bottom->my;
|
|
|
|
s->m.mb_stride=2;
|
|
s->m.mb_x=
|
|
s->m.mb_y= 0;
|
|
s->m.me.skip= 0;
|
|
|
|
init_ref(c, current_data, s->last_picture.data, NULL, block_w*x, block_w*y, 0);
|
|
|
|
assert(s->m.me. stride == stride);
|
|
assert(s->m.me.uvstride == uvstride);
|
|
|
|
c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
|
|
c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
|
|
c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
|
|
c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
|
|
|
|
c->xmin = - x*block_w - 16+2;
|
|
c->ymin = - y*block_w - 16+2;
|
|
c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
|
|
c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
|
|
|
|
if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
|
|
if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift);
|
|
if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift);
|
|
if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
|
|
if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
|
|
if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
|
|
if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
|
|
|
|
P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
|
|
P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
|
|
|
|
if (!y) {
|
|
c->pred_x= P_LEFT[0];
|
|
c->pred_y= P_LEFT[1];
|
|
} else {
|
|
c->pred_x = P_MEDIAN[0];
|
|
c->pred_y = P_MEDIAN[1];
|
|
}
|
|
|
|
score= ff_epzs_motion_search(&s->m, &mx, &my, P, 0, /*ref_index*/ 0, last_mv,
|
|
(1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w);
|
|
|
|
assert(mx >= c->xmin);
|
|
assert(mx <= c->xmax);
|
|
assert(my >= c->ymin);
|
|
assert(my <= c->ymax);
|
|
|
|
score= s->m.me.sub_motion_search(&s->m, &mx, &my, score, 0, 0, level-LOG2_MB_SIZE+4, block_w);
|
|
score= ff_get_mb_score(&s->m, mx, my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0);
|
|
//FIXME if mb_cmp != SSE then intra cant be compared currently and mb_penalty vs. lambda2
|
|
|
|
// subpel search
|
|
pc= s->c;
|
|
pc.bytestream_start=
|
|
pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
|
|
memcpy(p_state, s->block_state, sizeof(s->block_state));
|
|
|
|
if(level!=s->block_max_depth)
|
|
put_rac(&pc, &p_state[4 + s_context], 1);
|
|
put_rac(&pc, &p_state[1 + left->type + top->type], 0);
|
|
put_symbol(&pc, &p_state[128 + 32*mx_context], mx - pmx, 1);
|
|
put_symbol(&pc, &p_state[128 + 32*my_context], my - pmy, 1);
|
|
p_len= pc.bytestream - pc.bytestream_start;
|
|
score += (s->lambda2*(p_len*8
|
|
+ (pc.outstanding_count - s->c.outstanding_count)*8
|
|
+ (-av_log2(pc.range) + av_log2(s->c.range))
|
|
))>>FF_LAMBDA_SHIFT;
|
|
|
|
block_s= block_w*block_w;
|
|
sum = pix_sum(¤t_mb[0][0], stride, block_w);
|
|
l= (sum + block_s/2)/block_s;
|
|
iscore = pix_norm1(¤t_mb[0][0], stride, block_w) - 2*l*sum + l*l*block_s;
|
|
|
|
block_s= block_w*block_w>>2;
|
|
sum = pix_sum(¤t_mb[1][0], uvstride, block_w>>1);
|
|
cb= (sum + block_s/2)/block_s;
|
|
// iscore += pix_norm1(¤t_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
|
|
sum = pix_sum(¤t_mb[2][0], uvstride, block_w>>1);
|
|
cr= (sum + block_s/2)/block_s;
|
|
// iscore += pix_norm1(¤t_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
|
|
|
|
ic= s->c;
|
|
ic.bytestream_start=
|
|
ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
|
|
memcpy(i_state, s->block_state, sizeof(s->block_state));
|
|
if(level!=s->block_max_depth)
|
|
put_rac(&ic, &i_state[4 + s_context], 1);
|
|
put_rac(&ic, &i_state[1 + left->type + top->type], 1);
|
|
put_symbol(&ic, &i_state[32], l-pl , 1);
|
|
put_symbol(&ic, &i_state[64], cb-pcb, 1);
|
|
put_symbol(&ic, &i_state[96], cr-pcr, 1);
|
|
i_len= ic.bytestream - ic.bytestream_start;
|
|
iscore += (s->lambda2*(i_len*8
|
|
+ (ic.outstanding_count - s->c.outstanding_count)*8
|
|
+ (-av_log2(ic.range) + av_log2(s->c.range))
|
|
))>>FF_LAMBDA_SHIFT;
|
|
|
|
// assert(score==256*256*256*64-1);
|
|
assert(iscore < 255*255*256 + s->lambda2*10);
|
|
assert(iscore >= 0);
|
|
assert(l>=0 && l<=255);
|
|
assert(pl>=0 && pl<=255);
|
|
|
|
if(level==0){
|
|
int varc= iscore >> 8;
|
|
int vard= score >> 8;
|
|
if (vard <= 64 || vard < varc)
|
|
c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
|
|
else
|
|
c->scene_change_score+= s->m.qscale;
|
|
}
|
|
|
|
if(level!=s->block_max_depth){
|
|
put_rac(&s->c, &s->block_state[4 + s_context], 0);
|
|
score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0);
|
|
score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0);
|
|
score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1);
|
|
score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1);
|
|
score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
|
|
|
|
if(score2 < score && score2 < iscore)
|
|
return score2;
|
|
}
|
|
|
|
if(iscore < score){
|
|
memcpy(pbbak, i_buffer, i_len);
|
|
s->c= ic;
|
|
s->c.bytestream_start= pbbak_start;
|
|
s->c.bytestream= pbbak + i_len;
|
|
set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, BLOCK_INTRA);
|
|
memcpy(s->block_state, i_state, sizeof(s->block_state));
|
|
return iscore;
|
|
}else{
|
|
memcpy(pbbak, p_buffer, p_len);
|
|
s->c= pc;
|
|
s->c.bytestream_start= pbbak_start;
|
|
s->c.bytestream= pbbak + p_len;
|
|
set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, 0);
|
|
memcpy(s->block_state, p_state, sizeof(s->block_state));
|
|
return score;
|
|
}
|
|
}
|
|
|
|
static void decode_q_branch(SnowContext *s, int level, int x, int y){
|
|
const int w= s->b_width << s->block_max_depth;
|
|
const int rem_depth= s->block_max_depth - level;
|
|
const int index= (x + y*w) << rem_depth;
|
|
static BlockNode null_block= { //FIXME add border maybe
|
|
.color= {128,128,128},
|
|
.mx= 0,
|
|
.my= 0,
|
|
.type= 0,
|
|
.level= 0,
|
|
};
|
|
int trx= (x+1)<<rem_depth;
|
|
BlockNode *left = x ? &s->block[index-1] : &null_block;
|
|
BlockNode *top = y ? &s->block[index-w] : &null_block;
|
|
BlockNode *tl = y && x ? &s->block[index-w-1] : left;
|
|
BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
|
|
int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
|
|
|
|
if(s->keyframe){
|
|
set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, BLOCK_INTRA);
|
|
return;
|
|
}
|
|
|
|
if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){
|
|
int type;
|
|
int l = left->color[0];
|
|
int cb= left->color[1];
|
|
int cr= left->color[2];
|
|
int mx= mid_pred(left->mx, top->mx, tr->mx);
|
|
int my= mid_pred(left->my, top->my, tr->my);
|
|
int mx_context= av_log2(2*ABS(left->mx - top->mx)) + 0*av_log2(2*ABS(tr->mx - top->mx));
|
|
int my_context= av_log2(2*ABS(left->my - top->my)) + 0*av_log2(2*ABS(tr->my - top->my));
|
|
|
|
type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0;
|
|
|
|
if(type){
|
|
l += get_symbol(&s->c, &s->block_state[32], 1);
|
|
cb+= get_symbol(&s->c, &s->block_state[64], 1);
|
|
cr+= get_symbol(&s->c, &s->block_state[96], 1);
|
|
}else{
|
|
mx+= get_symbol(&s->c, &s->block_state[128 + 32*mx_context], 1);
|
|
my+= get_symbol(&s->c, &s->block_state[128 + 32*my_context], 1);
|
|
}
|
|
set_blocks(s, level, x, y, l, cb, cr, mx, my, type);
|
|
}else{
|
|
decode_q_branch(s, level+1, 2*x+0, 2*y+0);
|
|
decode_q_branch(s, level+1, 2*x+1, 2*y+0);
|
|
decode_q_branch(s, level+1, 2*x+0, 2*y+1);
|
|
decode_q_branch(s, level+1, 2*x+1, 2*y+1);
|
|
}
|
|
}
|
|
|
|
static void encode_blocks(SnowContext *s){
|
|
int x, y;
|
|
int w= s->b_width;
|
|
int h= s->b_height;
|
|
|
|
for(y=0; y<h; y++){
|
|
if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return;
|
|
}
|
|
for(x=0; x<w; x++){
|
|
encode_q_branch(s, 0, x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void decode_blocks(SnowContext *s){
|
|
int x, y;
|
|
int w= s->b_width;
|
|
int h= s->b_height;
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
decode_q_branch(s, 0, x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mc_block(uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
|
|
int x, y;
|
|
START_TIMER
|
|
for(y=0; y < b_h+5; y++){
|
|
for(x=0; x < b_w; x++){
|
|
int a0= src[x ];
|
|
int a1= src[x + 1];
|
|
int a2= src[x + 2];
|
|
int a3= src[x + 3];
|
|
int a4= src[x + 4];
|
|
int a5= src[x + 5];
|
|
// int am= 9*(a1+a2) - (a0+a3);
|
|
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
|
|
// int am= 18*(a2+a3) - 2*(a1+a4);
|
|
// int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3;
|
|
// int aR= (-7*a3 + 105*a2 + 35*a1 - 5*a0)>>3;
|
|
|
|
// if(b_w==16) am= 8*(a1+a2);
|
|
|
|
if(dx<8) tmp[x]= (32*a2*( 8-dx) + am* dx + 128)>>8;
|
|
else tmp[x]= ( am*(16-dx) + 32*a3*(dx-8) + 128)>>8;
|
|
|
|
/* if (dx< 4) tmp[x + y*stride]= (16*a1*( 4-dx) + aL* dx + 32)>>6;
|
|
else if(dx< 8) tmp[x + y*stride]= ( aL*( 8-dx) + am*(dx- 4) + 32)>>6;
|
|
else if(dx<12) tmp[x + y*stride]= ( am*(12-dx) + aR*(dx- 8) + 32)>>6;
|
|
else tmp[x + y*stride]= ( aR*(16-dx) + 16*a2*(dx-12) + 32)>>6;*/
|
|
}
|
|
tmp += stride;
|
|
src += stride;
|
|
}
|
|
tmp -= (b_h+5)*stride;
|
|
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
int a0= tmp[x + 0*stride];
|
|
int a1= tmp[x + 1*stride];
|
|
int a2= tmp[x + 2*stride];
|
|
int a3= tmp[x + 3*stride];
|
|
int a4= tmp[x + 4*stride];
|
|
int a5= tmp[x + 5*stride];
|
|
int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
|
|
// int am= 18*(a2+a3) - 2*(a1+a4);
|
|
/* int aL= (-7*a0 + 105*a1 + 35*a2 - 5*a3)>>3;
|
|
int aR= (-7*a3 + 105*a2 + 35*a1 - 5*a0)>>3;*/
|
|
|
|
// if(b_w==16) am= 8*(a1+a2);
|
|
|
|
if(dy<8) dst[x]= (32*a2*( 8-dy) + am* dy + 128)>>8;
|
|
else dst[x]= ( am*(16-dy) + 32*a3*(dy-8) + 128)>>8;
|
|
|
|
/* if (dy< 4) tmp[x + y*stride]= (16*a1*( 4-dy) + aL* dy + 32)>>6;
|
|
else if(dy< 8) tmp[x + y*stride]= ( aL*( 8-dy) + am*(dy- 4) + 32)>>6;
|
|
else if(dy<12) tmp[x + y*stride]= ( am*(12-dy) + aR*(dy- 8) + 32)>>6;
|
|
else tmp[x + y*stride]= ( aR*(16-dy) + 16*a2*(dy-12) + 32)>>6;*/
|
|
}
|
|
dst += stride;
|
|
tmp += stride;
|
|
}
|
|
STOP_TIMER("mc_block")
|
|
}
|
|
|
|
#define mca(dx,dy,b_w)\
|
|
static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, uint8_t *src, int stride, int h){\
|
|
uint8_t tmp[stride*(b_w+5)];\
|
|
assert(h==b_w);\
|
|
mc_block(dst, src-2-2*stride, tmp, stride, b_w, b_w, dx, dy);\
|
|
}
|
|
|
|
mca( 0, 0,16)
|
|
mca( 8, 0,16)
|
|
mca( 0, 8,16)
|
|
mca( 8, 8,16)
|
|
mca( 0, 0,8)
|
|
mca( 8, 0,8)
|
|
mca( 0, 8,8)
|
|
mca( 8, 8,8)
|
|
|
|
static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *src, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
|
|
if(block->type){
|
|
int x, y;
|
|
const int color= block->color[plane_index];
|
|
for(y=0; y < b_h; y++){
|
|
for(x=0; x < b_w; x++){
|
|
dst[x + y*stride]= color;
|
|
}
|
|
}
|
|
}else{
|
|
const int scale= plane_index ? s->mv_scale : 2*s->mv_scale;
|
|
int mx= block->mx*scale;
|
|
int my= block->my*scale;
|
|
const int dx= mx&15;
|
|
const int dy= my&15;
|
|
sx += (mx>>4) - 2;
|
|
sy += (my>>4) - 2;
|
|
src += sx + sy*stride;
|
|
if( (unsigned)sx >= w - b_w - 4
|
|
|| (unsigned)sy >= h - b_h - 4){
|
|
ff_emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+5, b_h+5, sx, sy, w, h);
|
|
src= tmp + MB_SIZE;
|
|
}
|
|
if((dx&3) || (dy&3) || b_w!=b_h || (b_w!=4 && b_w!=8 && b_w!=16))
|
|
mc_block(dst, src, tmp, stride, b_w, b_h, dx, dy);
|
|
else
|
|
s->dsp.put_h264_qpel_pixels_tab[2-(b_w>>3)][dy+(dx>>2)](dst,src + 2 + 2*stride,stride);
|
|
}
|
|
}
|
|
|
|
static always_inline int same_block(BlockNode *a, BlockNode *b){
|
|
return !((a->mx - b->mx) | (a->my - b->my) | a->type | b->type);
|
|
}
|
|
|
|
//FIXME name clenup (b_w, block_w, b_width stuff)
|
|
static always_inline void add_yblock_buffered(SnowContext *s, slice_buffer * sb, DWTELEM *old_dst, uint8_t *dst8, uint8_t *src, uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int plane_index){
|
|
DWTELEM * dst = NULL;
|
|
const int b_width = s->b_width << s->block_max_depth;
|
|
const int b_height= s->b_height << s->block_max_depth;
|
|
const int b_stride= b_width;
|
|
BlockNode *lt= &s->block[b_x + b_y*b_stride];
|
|
BlockNode *rt= lt+1;
|
|
BlockNode *lb= lt+b_stride;
|
|
BlockNode *rb= lb+1;
|
|
uint8_t *block[4];
|
|
uint8_t tmp[src_stride*(b_h+5)]; //FIXME align
|
|
int x,y;
|
|
|
|
if(b_x<0){
|
|
lt= rt;
|
|
lb= rb;
|
|
}else if(b_x + 1 >= b_width){
|
|
rt= lt;
|
|
rb= lb;
|
|
}
|
|
if(b_y<0){
|
|
lt= lb;
|
|
rt= rb;
|
|
}else if(b_y + 1 >= b_height){
|
|
lb= lt;
|
|
rb= rt;
|
|
}
|
|
|
|
if(src_x<0){ //FIXME merge with prev & always round internal width upto *16
|
|
obmc -= src_x;
|
|
b_w += src_x;
|
|
src_x=0;
|
|
}else if(src_x + b_w > w){
|
|
b_w = w - src_x;
|
|
}
|
|
if(src_y<0){
|
|
obmc -= src_y*obmc_stride;
|
|
b_h += src_y;
|
|
src_y=0;
|
|
}else if(src_y + b_h> h){
|
|
b_h = h - src_y;
|
|
}
|
|
|
|
if(b_w<=0 || b_h<=0) return;
|
|
|
|
assert(src_stride > 7*MB_SIZE);
|
|
// old_dst += src_x + src_y*dst_stride;
|
|
dst8+= src_x + src_y*src_stride;
|
|
// src += src_x + src_y*src_stride;
|
|
|
|
block[0]= tmp+3*MB_SIZE;
|
|
pred_block(s, block[0], src, tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
|
|
|
|
if(same_block(lt, rt)){
|
|
block[1]= block[0];
|
|
}else{
|
|
block[1]= tmp + 4*MB_SIZE;
|
|
pred_block(s, block[1], src, tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
|
|
}
|
|
|
|
if(same_block(lt, lb)){
|
|
block[2]= block[0];
|
|
}else if(same_block(rt, lb)){
|
|
block[2]= block[1];
|
|
}else{
|
|
block[2]= tmp+5*MB_SIZE;
|
|
pred_block(s, block[2], src, tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
|
|
}
|
|
|
|
if(same_block(lt, rb) ){
|
|
block[3]= block[0];
|
|
}else if(same_block(rt, rb)){
|
|
block[3]= block[1];
|
|
}else if(same_block(lb, rb)){
|
|
block[3]= block[2];
|
|
}else{
|
|
block[3]= tmp+6*MB_SIZE;
|
|
pred_block(s, block[3], src, tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
|
|
}
|
|
#if 0
|
|
for(y=0; y<b_h; y++){
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc2= obmc + (obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
|
uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
#else
|
|
{
|
|
|
|
START_TIMER
|
|
|
|
int block_index = 0;
|
|
for(y=0; y<b_h; y++){
|
|
//FIXME ugly missue of obmc_stride
|
|
uint8_t *obmc1= obmc + y*obmc_stride;
|
|
uint8_t *obmc2= obmc1+ (obmc_stride>>1);
|
|
uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
|
|
uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
|
dst = slice_buffer_get_line(sb, src_y + y);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc1[x] * block[3][x + y*src_stride]
|
|
+obmc2[x] * block[2][x + y*src_stride]
|
|
+obmc3[x] * block[1][x + y*src_stride]
|
|
+obmc4[x] * block[0][x + y*src_stride];
|
|
|
|
v <<= 8 - LOG2_OBMC_MAX;
|
|
if(FRAC_BITS != 8){
|
|
v += 1<<(7 - FRAC_BITS);
|
|
v >>= 8 - FRAC_BITS;
|
|
}
|
|
if(add){
|
|
// v += old_dst[x + y*dst_stride];
|
|
v += dst[x + src_x];
|
|
v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
|
|
if(v&(~255)) v= ~(v>>31);
|
|
dst8[x + y*src_stride] = v;
|
|
}else{
|
|
// old_dst[x + y*dst_stride] -= v;
|
|
dst[x + src_x] -= v;
|
|
}
|
|
}
|
|
}
|
|
STOP_TIMER("Inner add y block")
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//FIXME name clenup (b_w, block_w, b_width stuff)
|
|
static always_inline void add_yblock(SnowContext *s, DWTELEM *dst, uint8_t *dst8, uint8_t *src, uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int plane_index){
|
|
const int b_width = s->b_width << s->block_max_depth;
|
|
const int b_height= s->b_height << s->block_max_depth;
|
|
const int b_stride= b_width;
|
|
BlockNode *lt= &s->block[b_x + b_y*b_stride];
|
|
BlockNode *rt= lt+1;
|
|
BlockNode *lb= lt+b_stride;
|
|
BlockNode *rb= lb+1;
|
|
uint8_t *block[4];
|
|
uint8_t tmp[src_stride*(b_h+5)]; //FIXME align
|
|
int x,y;
|
|
|
|
if(b_x<0){
|
|
lt= rt;
|
|
lb= rb;
|
|
}else if(b_x + 1 >= b_width){
|
|
rt= lt;
|
|
rb= lb;
|
|
}
|
|
if(b_y<0){
|
|
lt= lb;
|
|
rt= rb;
|
|
}else if(b_y + 1 >= b_height){
|
|
lb= lt;
|
|
rb= rt;
|
|
}
|
|
|
|
if(src_x<0){ //FIXME merge with prev & always round internal width upto *16
|
|
obmc -= src_x;
|
|
b_w += src_x;
|
|
src_x=0;
|
|
}else if(src_x + b_w > w){
|
|
b_w = w - src_x;
|
|
}
|
|
if(src_y<0){
|
|
obmc -= src_y*obmc_stride;
|
|
b_h += src_y;
|
|
src_y=0;
|
|
}else if(src_y + b_h> h){
|
|
b_h = h - src_y;
|
|
}
|
|
|
|
if(b_w<=0 || b_h<=0) return;
|
|
|
|
assert(src_stride > 7*MB_SIZE);
|
|
dst += src_x + src_y*dst_stride;
|
|
dst8+= src_x + src_y*src_stride;
|
|
// src += src_x + src_y*src_stride;
|
|
|
|
block[0]= tmp+3*MB_SIZE;
|
|
pred_block(s, block[0], src, tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
|
|
|
|
if(same_block(lt, rt)){
|
|
block[1]= block[0];
|
|
}else{
|
|
block[1]= tmp + 4*MB_SIZE;
|
|
pred_block(s, block[1], src, tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
|
|
}
|
|
|
|
if(same_block(lt, lb)){
|
|
block[2]= block[0];
|
|
}else if(same_block(rt, lb)){
|
|
block[2]= block[1];
|
|
}else{
|
|
block[2]= tmp+5*MB_SIZE;
|
|
pred_block(s, block[2], src, tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
|
|
}
|
|
|
|
if(same_block(lt, rb) ){
|
|
block[3]= block[0];
|
|
}else if(same_block(rt, rb)){
|
|
block[3]= block[1];
|
|
}else if(same_block(lb, rb)){
|
|
block[3]= block[2];
|
|
}else{
|
|
block[3]= tmp+6*MB_SIZE;
|
|
pred_block(s, block[3], src, tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
|
|
}
|
|
#if 0
|
|
for(y=0; y<b_h; y++){
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc2= obmc + (obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
for(y=0; y<b_h; y++){
|
|
uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
|
|
uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
|
|
if(add) dst[x + y*dst_stride] += v;
|
|
else dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
#else
|
|
for(y=0; y<b_h; y++){
|
|
//FIXME ugly missue of obmc_stride
|
|
uint8_t *obmc1= obmc + y*obmc_stride;
|
|
uint8_t *obmc2= obmc1+ (obmc_stride>>1);
|
|
uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
|
|
uint8_t *obmc4= obmc3+ (obmc_stride>>1);
|
|
for(x=0; x<b_w; x++){
|
|
int v= obmc1[x] * block[3][x + y*src_stride]
|
|
+obmc2[x] * block[2][x + y*src_stride]
|
|
+obmc3[x] * block[1][x + y*src_stride]
|
|
+obmc4[x] * block[0][x + y*src_stride];
|
|
|
|
v <<= 8 - LOG2_OBMC_MAX;
|
|
if(FRAC_BITS != 8){
|
|
v += 1<<(7 - FRAC_BITS);
|
|
v >>= 8 - FRAC_BITS;
|
|
}
|
|
if(add){
|
|
v += dst[x + y*dst_stride];
|
|
v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
|
|
if(v&(~255)) v= ~(v>>31);
|
|
dst8[x + y*src_stride] = v;
|
|
}else{
|
|
dst[x + y*dst_stride] -= v;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static always_inline void predict_slice_buffered(SnowContext *s, slice_buffer * sb, DWTELEM * old_buffer, int plane_index, int add, int mb_y){
|
|
Plane *p= &s->plane[plane_index];
|
|
const int mb_w= s->b_width << s->block_max_depth;
|
|
const int mb_h= s->b_height << s->block_max_depth;
|
|
int x, y, mb_x;
|
|
int block_size = MB_SIZE >> s->block_max_depth;
|
|
int block_w = plane_index ? block_size/2 : block_size;
|
|
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
|
|
int obmc_stride= plane_index ? block_size : 2*block_size;
|
|
int ref_stride= s->current_picture.linesize[plane_index];
|
|
uint8_t *ref = s->last_picture.data[plane_index];
|
|
uint8_t *dst8= s->current_picture.data[plane_index];
|
|
int w= p->width;
|
|
int h= p->height;
|
|
START_TIMER
|
|
|
|
if(s->keyframe || (s->avctx->debug&512)){
|
|
if(mb_y==mb_h)
|
|
return;
|
|
|
|
if(add){
|
|
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++)
|
|
{
|
|
// DWTELEM * line = slice_buffer_get_line(sb, y);
|
|
DWTELEM * line = sb->line[y];
|
|
for(x=0; x<w; x++)
|
|
{
|
|
// int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
|
|
int v= line[x] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
|
|
v >>= FRAC_BITS;
|
|
if(v&(~255)) v= ~(v>>31);
|
|
dst8[x + y*ref_stride]= v;
|
|
}
|
|
}
|
|
}else{
|
|
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++)
|
|
{
|
|
// DWTELEM * line = slice_buffer_get_line(sb, y);
|
|
DWTELEM * line = sb->line[y];
|
|
for(x=0; x<w; x++)
|
|
{
|
|
line[x] -= 128 << FRAC_BITS;
|
|
// buf[x + y*w]-= 128<<FRAC_BITS;
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
for(mb_x=0; mb_x<=mb_w; mb_x++){
|
|
START_TIMER
|
|
|
|
add_yblock_buffered(s, sb, old_buffer, dst8, ref, obmc,
|
|
block_w*mb_x - block_w/2,
|
|
block_w*mb_y - block_w/2,
|
|
block_w, block_w,
|
|
w, h,
|
|
w, ref_stride, obmc_stride,
|
|
mb_x - 1, mb_y - 1,
|
|
add, plane_index);
|
|
|
|
STOP_TIMER("add_yblock")
|
|
}
|
|
|
|
STOP_TIMER("predict_slice")
|
|
}
|
|
|
|
static always_inline void predict_slice(SnowContext *s, DWTELEM *buf, int plane_index, int add, int mb_y){
|
|
Plane *p= &s->plane[plane_index];
|
|
const int mb_w= s->b_width << s->block_max_depth;
|
|
const int mb_h= s->b_height << s->block_max_depth;
|
|
int x, y, mb_x;
|
|
int block_size = MB_SIZE >> s->block_max_depth;
|
|
int block_w = plane_index ? block_size/2 : block_size;
|
|
const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
|
|
int obmc_stride= plane_index ? block_size : 2*block_size;
|
|
int ref_stride= s->current_picture.linesize[plane_index];
|
|
uint8_t *ref = s->last_picture.data[plane_index];
|
|
uint8_t *dst8= s->current_picture.data[plane_index];
|
|
int w= p->width;
|
|
int h= p->height;
|
|
START_TIMER
|
|
|
|
if(s->keyframe || (s->avctx->debug&512)){
|
|
if(mb_y==mb_h)
|
|
return;
|
|
|
|
if(add){
|
|
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++){
|
|
for(x=0; x<w; x++){
|
|
int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
|
|
v >>= FRAC_BITS;
|
|
if(v&(~255)) v= ~(v>>31);
|
|
dst8[x + y*ref_stride]= v;
|
|
}
|
|
}
|
|
}else{
|
|
for(y=block_w*mb_y; y<block_w*(mb_y+1); y++){
|
|
for(x=0; x<w; x++){
|
|
buf[x + y*w]-= 128<<FRAC_BITS;
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
for(mb_x=0; mb_x<=mb_w; mb_x++){
|
|
START_TIMER
|
|
|
|
add_yblock(s, buf, dst8, ref, obmc,
|
|
block_w*mb_x - block_w/2,
|
|
block_w*mb_y - block_w/2,
|
|
block_w, block_w,
|
|
w, h,
|
|
w, ref_stride, obmc_stride,
|
|
mb_x - 1, mb_y - 1,
|
|
add, plane_index);
|
|
|
|
STOP_TIMER("add_yblock")
|
|
}
|
|
|
|
STOP_TIMER("predict_slice")
|
|
}
|
|
|
|
static always_inline void predict_plane(SnowContext *s, DWTELEM *buf, int plane_index, int add){
|
|
const int mb_h= s->b_height << s->block_max_depth;
|
|
int mb_y;
|
|
for(mb_y=0; mb_y<=mb_h; mb_y++)
|
|
predict_slice(s, buf, plane_index, add, mb_y);
|
|
}
|
|
|
|
static void quantize(SnowContext *s, SubBand *b, DWTELEM *src, int stride, int bias){
|
|
const int level= b->level;
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
|
|
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
|
|
int x,y, thres1, thres2;
|
|
START_TIMER
|
|
|
|
if(s->qlog == LOSSLESS_QLOG) return;
|
|
|
|
bias= bias ? 0 : (3*qmul)>>3;
|
|
thres1= ((qmul - bias)>>QEXPSHIFT) - 1;
|
|
thres2= 2*thres1;
|
|
|
|
if(!bias){
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= src[x + y*stride];
|
|
|
|
if((unsigned)(i+thres1) > thres2){
|
|
if(i>=0){
|
|
i<<= QEXPSHIFT;
|
|
i/= qmul; //FIXME optimize
|
|
src[x + y*stride]= i;
|
|
}else{
|
|
i= -i;
|
|
i<<= QEXPSHIFT;
|
|
i/= qmul; //FIXME optimize
|
|
src[x + y*stride]= -i;
|
|
}
|
|
}else
|
|
src[x + y*stride]= 0;
|
|
}
|
|
}
|
|
}else{
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= src[x + y*stride];
|
|
|
|
if((unsigned)(i+thres1) > thres2){
|
|
if(i>=0){
|
|
i<<= QEXPSHIFT;
|
|
i= (i + bias) / qmul; //FIXME optimize
|
|
src[x + y*stride]= i;
|
|
}else{
|
|
i= -i;
|
|
i<<= QEXPSHIFT;
|
|
i= (i + bias) / qmul; //FIXME optimize
|
|
src[x + y*stride]= -i;
|
|
}
|
|
}else
|
|
src[x + y*stride]= 0;
|
|
}
|
|
}
|
|
}
|
|
if(level+1 == s->spatial_decomposition_count){
|
|
// STOP_TIMER("quantize")
|
|
}
|
|
}
|
|
|
|
static void dequantize_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, DWTELEM *src, int stride){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
|
|
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
|
|
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
|
|
int x,y;
|
|
START_TIMER
|
|
|
|
if(s->qlog == LOSSLESS_QLOG) return;
|
|
|
|
for(y=0; y<h; y++){
|
|
// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
|
|
DWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
|
|
for(x=0; x<w; x++){
|
|
int i= line[x];
|
|
if(i<0){
|
|
line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
|
|
}else if(i>0){
|
|
line[x]= (( i*qmul + qadd)>>(QEXPSHIFT));
|
|
}
|
|
}
|
|
}
|
|
if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
|
|
STOP_TIMER("dquant")
|
|
}
|
|
}
|
|
|
|
static void dequantize(SnowContext *s, SubBand *b, DWTELEM *src, int stride){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
|
|
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
|
|
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
|
|
int x,y;
|
|
START_TIMER
|
|
|
|
if(s->qlog == LOSSLESS_QLOG) return;
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= src[x + y*stride];
|
|
if(i<0){
|
|
src[x + y*stride]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
|
|
}else if(i>0){
|
|
src[x + y*stride]= (( i*qmul + qadd)>>(QEXPSHIFT));
|
|
}
|
|
}
|
|
}
|
|
if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
|
|
STOP_TIMER("dquant")
|
|
}
|
|
}
|
|
|
|
static void decorrelate(SnowContext *s, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
int x,y;
|
|
|
|
for(y=h-1; y>=0; y--){
|
|
for(x=w-1; x>=0; x--){
|
|
int i= x + y*stride;
|
|
|
|
if(x){
|
|
if(use_median){
|
|
if(y && x+1<w) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
|
|
else src[i] -= src[i - 1];
|
|
}else{
|
|
if(y) src[i] -= mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]);
|
|
else src[i] -= src[i - 1];
|
|
}
|
|
}else{
|
|
if(y) src[i] -= src[i - stride];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void correlate_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
int x,y;
|
|
|
|
// START_TIMER
|
|
|
|
DWTELEM * line;
|
|
DWTELEM * prev;
|
|
|
|
for(y=0; y<h; y++){
|
|
prev = line;
|
|
// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
|
|
line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
|
|
for(x=0; x<w; x++){
|
|
if(x){
|
|
if(use_median){
|
|
if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]);
|
|
else line[x] += line[x - 1];
|
|
}else{
|
|
if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]);
|
|
else line[x] += line[x - 1];
|
|
}
|
|
}else{
|
|
if(y) line[x] += prev[x];
|
|
}
|
|
}
|
|
}
|
|
|
|
// STOP_TIMER("correlate")
|
|
}
|
|
|
|
static void correlate(SnowContext *s, SubBand *b, DWTELEM *src, int stride, int inverse, int use_median){
|
|
const int w= b->width;
|
|
const int h= b->height;
|
|
int x,y;
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int i= x + y*stride;
|
|
|
|
if(x){
|
|
if(use_median){
|
|
if(y && x+1<w) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - stride + 1]);
|
|
else src[i] += src[i - 1];
|
|
}else{
|
|
if(y) src[i] += mid_pred(src[i - 1], src[i - stride], src[i - 1] + src[i - stride] - src[i - 1 - stride]);
|
|
else src[i] += src[i - 1];
|
|
}
|
|
}else{
|
|
if(y) src[i] += src[i - stride];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void encode_header(SnowContext *s){
|
|
int plane_index, level, orientation;
|
|
uint8_t kstate[32];
|
|
|
|
memset(kstate, MID_STATE, sizeof(kstate));
|
|
|
|
put_rac(&s->c, kstate, s->keyframe);
|
|
if(s->keyframe || s->always_reset)
|
|
reset_contexts(s);
|
|
if(s->keyframe){
|
|
put_symbol(&s->c, s->header_state, s->version, 0);
|
|
put_rac(&s->c, s->header_state, s->always_reset);
|
|
put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
|
|
put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
|
|
put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
|
|
put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
|
|
put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
|
|
put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
|
|
put_rac(&s->c, s->header_state, s->spatial_scalability);
|
|
// put_rac(&s->c, s->header_state, s->rate_scalability);
|
|
|
|
for(plane_index=0; plane_index<2; plane_index++){
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1:0; orientation<4; orientation++){
|
|
if(orientation==2) continue;
|
|
put_symbol(&s->c, s->header_state, s->plane[plane_index].band[level][orientation].qlog, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
put_symbol(&s->c, s->header_state, s->spatial_decomposition_type, 0);
|
|
put_symbol(&s->c, s->header_state, s->qlog, 1);
|
|
put_symbol(&s->c, s->header_state, s->mv_scale, 0);
|
|
put_symbol(&s->c, s->header_state, s->qbias, 1);
|
|
put_symbol(&s->c, s->header_state, s->block_max_depth, 0);
|
|
}
|
|
|
|
static int decode_header(SnowContext *s){
|
|
int plane_index, level, orientation;
|
|
uint8_t kstate[32];
|
|
|
|
memset(kstate, MID_STATE, sizeof(kstate));
|
|
|
|
s->keyframe= get_rac(&s->c, kstate);
|
|
if(s->keyframe || s->always_reset)
|
|
reset_contexts(s);
|
|
if(s->keyframe){
|
|
s->version= get_symbol(&s->c, s->header_state, 0);
|
|
if(s->version>0){
|
|
av_log(s->avctx, AV_LOG_ERROR, "version %d not supported", s->version);
|
|
return -1;
|
|
}
|
|
s->always_reset= get_rac(&s->c, s->header_state);
|
|
s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
|
|
s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
|
|
s->spatial_decomposition_count= get_symbol(&s->c, s->header_state, 0);
|
|
s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
|
|
s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
|
|
s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
|
|
s->spatial_scalability= get_rac(&s->c, s->header_state);
|
|
// s->rate_scalability= get_rac(&s->c, s->header_state);
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1:0; orientation<4; orientation++){
|
|
int q;
|
|
if (plane_index==2) q= s->plane[1].band[level][orientation].qlog;
|
|
else if(orientation==2) q= s->plane[plane_index].band[level][1].qlog;
|
|
else q= get_symbol(&s->c, s->header_state, 1);
|
|
s->plane[plane_index].band[level][orientation].qlog= q;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
s->spatial_decomposition_type= get_symbol(&s->c, s->header_state, 0);
|
|
if(s->spatial_decomposition_type > 2){
|
|
av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
|
|
return -1;
|
|
}
|
|
|
|
s->qlog= get_symbol(&s->c, s->header_state, 1);
|
|
s->mv_scale= get_symbol(&s->c, s->header_state, 0);
|
|
s->qbias= get_symbol(&s->c, s->header_state, 1);
|
|
s->block_max_depth= get_symbol(&s->c, s->header_state, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void init_qexp(){
|
|
int i;
|
|
double v=128;
|
|
|
|
for(i=0; i<QROOT; i++){
|
|
qexp[i]= lrintf(v);
|
|
v *= pow(2, 1.0 / QROOT);
|
|
}
|
|
}
|
|
|
|
static int common_init(AVCodecContext *avctx){
|
|
SnowContext *s = avctx->priv_data;
|
|
int width, height;
|
|
int level, orientation, plane_index, dec;
|
|
|
|
s->avctx= avctx;
|
|
|
|
dsputil_init(&s->dsp, avctx);
|
|
|
|
#define mcf(dx,dy)\
|
|
s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\
|
|
s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\
|
|
s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\
|
|
s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\
|
|
s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\
|
|
s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4];
|
|
|
|
mcf( 0, 0)
|
|
mcf( 4, 0)
|
|
mcf( 8, 0)
|
|
mcf(12, 0)
|
|
mcf( 0, 4)
|
|
mcf( 4, 4)
|
|
mcf( 8, 4)
|
|
mcf(12, 4)
|
|
mcf( 0, 8)
|
|
mcf( 4, 8)
|
|
mcf( 8, 8)
|
|
mcf(12, 8)
|
|
mcf( 0,12)
|
|
mcf( 4,12)
|
|
mcf( 8,12)
|
|
mcf(12,12)
|
|
|
|
#define mcfh(dx,dy)\
|
|
s->dsp.put_pixels_tab [0][dy/4+dx/8]=\
|
|
s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\
|
|
mc_block_hpel ## dx ## dy ## 16;\
|
|
s->dsp.put_pixels_tab [1][dy/4+dx/8]=\
|
|
s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\
|
|
mc_block_hpel ## dx ## dy ## 8;
|
|
|
|
mcfh(0, 0)
|
|
mcfh(8, 0)
|
|
mcfh(0, 8)
|
|
mcfh(8, 8)
|
|
|
|
if(!qexp[0])
|
|
init_qexp();
|
|
|
|
dec= s->spatial_decomposition_count= 5;
|
|
s->spatial_decomposition_type= avctx->prediction_method; //FIXME add decorrelator type r transform_type
|
|
|
|
s->chroma_h_shift= 1; //FIXME XXX
|
|
s->chroma_v_shift= 1;
|
|
|
|
// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
|
|
|
|
width= s->avctx->width;
|
|
height= s->avctx->height;
|
|
|
|
s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM));
|
|
|
|
s->mv_scale= (s->avctx->flags & CODEC_FLAG_QPEL) ? 2 : 4;
|
|
s->block_max_depth= (s->avctx->flags & CODEC_FLAG_4MV) ? 1 : 0;
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
int w= s->avctx->width;
|
|
int h= s->avctx->height;
|
|
|
|
if(plane_index){
|
|
w>>= s->chroma_h_shift;
|
|
h>>= s->chroma_v_shift;
|
|
}
|
|
s->plane[plane_index].width = w;
|
|
s->plane[plane_index].height= h;
|
|
//av_log(NULL, AV_LOG_DEBUG, "%d %d\n", w, h);
|
|
for(level=s->spatial_decomposition_count-1; level>=0; level--){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &s->plane[plane_index].band[level][orientation];
|
|
|
|
b->buf= s->spatial_dwt_buffer;
|
|
b->level= level;
|
|
b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level);
|
|
b->width = (w + !(orientation&1))>>1;
|
|
b->height= (h + !(orientation>1))>>1;
|
|
|
|
b->stride_line = 1 << (s->spatial_decomposition_count - level);
|
|
b->buf_x_offset = 0;
|
|
b->buf_y_offset = 0;
|
|
|
|
if(orientation&1){
|
|
b->buf += (w+1)>>1;
|
|
b->buf_x_offset = (w+1)>>1;
|
|
}
|
|
if(orientation>1){
|
|
b->buf += b->stride>>1;
|
|
b->buf_y_offset = b->stride_line >> 1;
|
|
}
|
|
|
|
if(level)
|
|
b->parent= &s->plane[plane_index].band[level-1][orientation];
|
|
b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff));
|
|
}
|
|
w= (w+1)>>1;
|
|
h= (h+1)>>1;
|
|
}
|
|
}
|
|
|
|
reset_contexts(s);
|
|
/*
|
|
width= s->width= avctx->width;
|
|
height= s->height= avctx->height;
|
|
|
|
assert(width && height);
|
|
*/
|
|
s->avctx->get_buffer(s->avctx, &s->mconly_picture);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void calculate_vissual_weight(SnowContext *s, Plane *p){
|
|
int width = p->width;
|
|
int height= p->height;
|
|
int level, orientation, x, y;
|
|
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &p->band[level][orientation];
|
|
DWTELEM *buf= b->buf;
|
|
int64_t error=0;
|
|
|
|
memset(s->spatial_dwt_buffer, 0, sizeof(int)*width*height);
|
|
buf[b->width/2 + b->height/2*b->stride]= 256*256;
|
|
ff_spatial_idwt(s->spatial_dwt_buffer, width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
int64_t d= s->spatial_dwt_buffer[x + y*width];
|
|
error += d*d;
|
|
}
|
|
}
|
|
|
|
b->qlog= (int)(log(352256.0/sqrt(error)) / log(pow(2.0, 1.0/QROOT))+0.5);
|
|
// av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", level, orientation, b->qlog/*, sqrt(error)*/);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int encode_init(AVCodecContext *avctx)
|
|
{
|
|
SnowContext *s = avctx->priv_data;
|
|
int plane_index;
|
|
|
|
if(avctx->strict_std_compliance >= 0){
|
|
av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it wont be decodeable with future versions!!!\n"
|
|
"use vstrict=-1 / -strict -1 to use it anyway\n");
|
|
return -1;
|
|
}
|
|
|
|
common_init(avctx);
|
|
alloc_blocks(s);
|
|
|
|
s->version=0;
|
|
|
|
s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
|
|
s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
|
|
s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
|
|
h263_encode_init(&s->m); //mv_penalty
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
calculate_vissual_weight(s, &s->plane[plane_index]);
|
|
}
|
|
|
|
|
|
avctx->coded_frame= &s->current_picture;
|
|
switch(avctx->pix_fmt){
|
|
// case PIX_FMT_YUV444P:
|
|
// case PIX_FMT_YUV422P:
|
|
case PIX_FMT_YUV420P:
|
|
case PIX_FMT_GRAY8:
|
|
// case PIX_FMT_YUV411P:
|
|
// case PIX_FMT_YUV410P:
|
|
s->colorspace_type= 0;
|
|
break;
|
|
/* case PIX_FMT_RGBA32:
|
|
s->colorspace= 1;
|
|
break;*/
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
|
|
return -1;
|
|
}
|
|
// avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
|
|
s->chroma_h_shift= 1;
|
|
s->chroma_v_shift= 1;
|
|
return 0;
|
|
}
|
|
|
|
static int frame_start(SnowContext *s){
|
|
AVFrame tmp;
|
|
int w= s->avctx->width; //FIXME round up to x16 ?
|
|
int h= s->avctx->height;
|
|
|
|
if(s->current_picture.data[0]){
|
|
draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH );
|
|
draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
|
|
draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
|
|
}
|
|
|
|
tmp= s->last_picture;
|
|
s->last_picture= s->current_picture;
|
|
s->current_picture= tmp;
|
|
|
|
s->current_picture.reference= 1;
|
|
if(s->avctx->get_buffer(s->avctx, &s->current_picture) < 0){
|
|
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
|
|
SnowContext *s = avctx->priv_data;
|
|
RangeCoder * const c= &s->c;
|
|
AVFrame *pict = data;
|
|
const int width= s->avctx->width;
|
|
const int height= s->avctx->height;
|
|
int level, orientation, plane_index;
|
|
|
|
ff_init_range_encoder(c, buf, buf_size);
|
|
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
|
|
|
|
s->input_picture = *pict;
|
|
|
|
s->keyframe=avctx->gop_size==0 || avctx->frame_number % avctx->gop_size == 0;
|
|
pict->pict_type= s->keyframe ? FF_I_TYPE : FF_P_TYPE;
|
|
|
|
if(pict->quality){
|
|
s->qlog= rint(QROOT*log(pict->quality / (float)FF_QP2LAMBDA)/log(2));
|
|
//<64 >60
|
|
s->qlog += 61*QROOT/8;
|
|
}else{
|
|
s->qlog= LOSSLESS_QLOG;
|
|
}
|
|
|
|
frame_start(s);
|
|
s->current_picture.key_frame= s->keyframe;
|
|
|
|
if(pict->pict_type == P_TYPE){
|
|
int block_width = (width +15)>>4;
|
|
int block_height= (height+15)>>4;
|
|
int stride= s->current_picture.linesize[0];
|
|
|
|
assert(s->current_picture.data[0]);
|
|
assert(s->last_picture.data[0]);
|
|
|
|
s->m.avctx= s->avctx;
|
|
s->m.current_picture.data[0]= s->current_picture.data[0];
|
|
s->m. last_picture.data[0]= s-> last_picture.data[0];
|
|
s->m. new_picture.data[0]= s-> input_picture.data[0];
|
|
s->m.current_picture_ptr= &s->m.current_picture;
|
|
s->m. last_picture_ptr= &s->m. last_picture;
|
|
s->m.linesize=
|
|
s->m. last_picture.linesize[0]=
|
|
s->m. new_picture.linesize[0]=
|
|
s->m.current_picture.linesize[0]= stride;
|
|
s->m.uvlinesize= s->current_picture.linesize[1];
|
|
s->m.width = width;
|
|
s->m.height= height;
|
|
s->m.mb_width = block_width;
|
|
s->m.mb_height= block_height;
|
|
s->m.mb_stride= s->m.mb_width+1;
|
|
s->m.b8_stride= 2*s->m.mb_width+1;
|
|
s->m.f_code=1;
|
|
s->m.pict_type= pict->pict_type;
|
|
s->m.me_method= s->avctx->me_method;
|
|
s->m.me.scene_change_score=0;
|
|
s->m.flags= s->avctx->flags;
|
|
s->m.quarter_sample= (s->avctx->flags & CODEC_FLAG_QPEL)!=0;
|
|
s->m.out_format= FMT_H263;
|
|
s->m.unrestricted_mv= 1;
|
|
|
|
s->lambda = s->m.lambda= pict->quality * 3/2; //FIXME bug somewhere else
|
|
s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
|
|
s->lambda2= s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
|
|
|
|
s->m.dsp= s->dsp; //move
|
|
ff_init_me(&s->m);
|
|
}
|
|
|
|
redo_frame:
|
|
|
|
s->qbias= pict->pict_type == P_TYPE ? 2 : 0;
|
|
|
|
encode_header(s);
|
|
encode_blocks(s);
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
Plane *p= &s->plane[plane_index];
|
|
int w= p->width;
|
|
int h= p->height;
|
|
int x, y;
|
|
// int bits= put_bits_count(&s->c.pb);
|
|
|
|
//FIXME optimize
|
|
if(pict->data[plane_index]) //FIXME gray hack
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
s->spatial_dwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS;
|
|
}
|
|
}
|
|
predict_plane(s, s->spatial_dwt_buffer, plane_index, 0);
|
|
|
|
if( plane_index==0
|
|
&& pict->pict_type == P_TYPE
|
|
&& s->m.me.scene_change_score > s->avctx->scenechange_threshold){
|
|
ff_init_range_encoder(c, buf, buf_size);
|
|
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
|
|
pict->pict_type= FF_I_TYPE;
|
|
s->keyframe=1;
|
|
reset_contexts(s);
|
|
goto redo_frame;
|
|
}
|
|
|
|
if(s->qlog == LOSSLESS_QLOG){
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
s->spatial_dwt_buffer[y*w + x]= (s->spatial_dwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS;
|
|
}
|
|
}
|
|
}
|
|
|
|
ff_spatial_dwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &p->band[level][orientation];
|
|
|
|
quantize(s, b, b->buf, b->stride, s->qbias);
|
|
if(orientation==0)
|
|
decorrelate(s, b, b->buf, b->stride, pict->pict_type == P_TYPE, 0);
|
|
encode_subband(s, b, b->buf, b->parent ? b->parent->buf : NULL, b->stride, orientation);
|
|
assert(b->parent==NULL || b->parent->stride == b->stride*2);
|
|
if(orientation==0)
|
|
correlate(s, b, b->buf, b->stride, 1, 0);
|
|
}
|
|
}
|
|
// av_log(NULL, AV_LOG_DEBUG, "plane:%d bits:%d\n", plane_index, put_bits_count(&s->c.pb) - bits);
|
|
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &p->band[level][orientation];
|
|
|
|
dequantize(s, b, b->buf, b->stride);
|
|
}
|
|
}
|
|
|
|
ff_spatial_idwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
if(s->qlog == LOSSLESS_QLOG){
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
s->spatial_dwt_buffer[y*w + x]<<=FRAC_BITS;
|
|
}
|
|
}
|
|
}
|
|
{START_TIMER
|
|
predict_plane(s, s->spatial_dwt_buffer, plane_index, 1);
|
|
STOP_TIMER("pred-conv")}
|
|
if(s->avctx->flags&CODEC_FLAG_PSNR){
|
|
int64_t error= 0;
|
|
|
|
if(pict->data[plane_index]) //FIXME gray hack
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int d= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
|
|
error += d*d;
|
|
}
|
|
}
|
|
s->avctx->error[plane_index] += error;
|
|
s->current_picture.error[plane_index] = error;
|
|
}
|
|
}
|
|
|
|
if(s->last_picture.data[0])
|
|
avctx->release_buffer(avctx, &s->last_picture);
|
|
|
|
emms_c();
|
|
|
|
return ff_rac_terminate(c);
|
|
}
|
|
|
|
static void common_end(SnowContext *s){
|
|
int plane_index, level, orientation;
|
|
|
|
av_freep(&s->spatial_dwt_buffer);
|
|
|
|
av_freep(&s->m.me.scratchpad);
|
|
av_freep(&s->m.me.map);
|
|
av_freep(&s->m.me.score_map);
|
|
|
|
av_freep(&s->block);
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
for(level=s->spatial_decomposition_count-1; level>=0; level--){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &s->plane[plane_index].band[level][orientation];
|
|
|
|
av_freep(&b->x_coeff);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int encode_end(AVCodecContext *avctx)
|
|
{
|
|
SnowContext *s = avctx->priv_data;
|
|
|
|
common_end(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int decode_init(AVCodecContext *avctx)
|
|
{
|
|
SnowContext *s = avctx->priv_data;
|
|
int block_size;
|
|
|
|
common_init(avctx);
|
|
|
|
block_size = MB_SIZE >> s->block_max_depth;
|
|
/* FIXME block_size * 2 is determined empirically. block_size * 1.5 is definitely needed, but I (Robert) cannot figure out why more than that is needed. Perhaps there is a bug, or perhaps I overlooked some demands that are placed on the buffer. */
|
|
/* FIXME The formula is WRONG. For height > 480, the buffer will overflow. */
|
|
/* FIXME For now, I will use a full frame of lines. Fortunately, this should not materially effect cache performance because lines are allocated using a stack, so if in fact only 50 out of 496 lines are needed at a time, the other 446 will sit allocated but never accessed. */
|
|
// slice_buffer_init(s->plane[0].sb, s->plane[0].height, (block_size * 2) + (s->spatial_decomposition_count * s->spatial_decomposition_count), s->plane[0].width, s->spatial_dwt_buffer);
|
|
slice_buffer_init(&s->sb, s->plane[0].height, s->plane[0].height, s->plane[0].width, s->spatial_dwt_buffer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size){
|
|
SnowContext *s = avctx->priv_data;
|
|
RangeCoder * const c= &s->c;
|
|
int bytes_read;
|
|
AVFrame *picture = data;
|
|
int level, orientation, plane_index;
|
|
|
|
ff_init_range_decoder(c, buf, buf_size);
|
|
ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
|
|
|
|
s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
|
|
decode_header(s);
|
|
if(!s->block) alloc_blocks(s);
|
|
|
|
frame_start(s);
|
|
//keyframe flag dupliaction mess FIXME
|
|
if(avctx->debug&FF_DEBUG_PICT_INFO)
|
|
av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog);
|
|
|
|
decode_blocks(s);
|
|
|
|
for(plane_index=0; plane_index<3; plane_index++){
|
|
Plane *p= &s->plane[plane_index];
|
|
int w= p->width;
|
|
int h= p->height;
|
|
int x, y;
|
|
int decode_state[MAX_DECOMPOSITIONS][4][1]; /* Stored state info for unpack_coeffs. 1 variable per instance. */
|
|
SubBand * correlate_band;
|
|
|
|
if(s->avctx->debug&2048){
|
|
memset(s->spatial_dwt_buffer, 0, sizeof(DWTELEM)*w*h);
|
|
predict_plane(s, s->spatial_dwt_buffer, plane_index, 1);
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
int v= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x];
|
|
s->mconly_picture.data[plane_index][y*s->mconly_picture.linesize[plane_index] + x]= v;
|
|
}
|
|
}
|
|
}
|
|
|
|
{ START_TIMER
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
SubBand *b= &p->band[level][orientation];
|
|
unpack_coeffs(s, b, b->parent, orientation);
|
|
}
|
|
}
|
|
STOP_TIMER("unpack coeffs");
|
|
}
|
|
|
|
/* Handle level 0, orientation 0 specially. It is particularly resistant to slicing but fortunately quite small, so process it in one pass. */
|
|
correlate_band = &p->band[0][0];
|
|
decode_subband_slice_buffered(s, correlate_band, &s->sb, 0, correlate_band->height, decode_state[0][0]);
|
|
correlate_buffered(s, &s->sb, correlate_band, correlate_band->buf, correlate_band->stride, 1, 0);
|
|
dequantize_buffered(s, &s->sb, correlate_band, correlate_band->buf, correlate_band->stride);
|
|
|
|
{START_TIMER
|
|
const int mb_h= s->b_height << s->block_max_depth;
|
|
const int block_size = MB_SIZE >> s->block_max_depth;
|
|
const int block_w = plane_index ? block_size/2 : block_size;
|
|
int mb_y;
|
|
dwt_compose_t cs[MAX_DECOMPOSITIONS];
|
|
int yd=0, yq=0;
|
|
int y;
|
|
int end_y;
|
|
|
|
ff_spatial_idwt_buffered_init(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
for(mb_y=0; mb_y<=mb_h; mb_y++){
|
|
|
|
const int slice_starty = block_w*mb_y;
|
|
const int slice_h = block_w*(mb_y+1);
|
|
|
|
{
|
|
START_TIMER
|
|
for(level=0; level<s->spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 1; orientation<4; orientation++){
|
|
SubBand *b= &p->band[level][orientation];
|
|
int start_y;
|
|
int end_y;
|
|
int our_mb_start = mb_y;
|
|
int our_mb_end = (mb_y + 1);
|
|
start_y = FFMIN(b->height, (mb_y ? ((block_w * our_mb_start - 4) >> (s->spatial_decomposition_count - level)) + 5 : 0));
|
|
end_y = FFMIN(b->height, (((block_w * our_mb_end - 4) >> (s->spatial_decomposition_count - level)) + 5));
|
|
|
|
if (start_y != end_y)
|
|
decode_subband_slice_buffered(s, b, &s->sb, start_y, end_y, decode_state[level][orientation]);
|
|
}
|
|
}
|
|
STOP_TIMER("decode_subband_slice");
|
|
}
|
|
|
|
{ START_TIMER
|
|
for(; yd<slice_h; yd+=4){
|
|
ff_spatial_idwt_buffered_slice(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count, yd);
|
|
}
|
|
STOP_TIMER("idwt slice");}
|
|
|
|
|
|
if(s->qlog == LOSSLESS_QLOG){
|
|
for(; yq<slice_h && yq<h; yq++){
|
|
DWTELEM * line = slice_buffer_get_line(&s->sb, yq);
|
|
for(x=0; x<w; x++){
|
|
line[x] <<= FRAC_BITS;
|
|
}
|
|
}
|
|
}
|
|
|
|
predict_slice_buffered(s, &s->sb, s->spatial_dwt_buffer, plane_index, 1, mb_y);
|
|
|
|
/* Nasty hack based empirically on how predict_slice_buffered() hits the buffer. */
|
|
/* FIXME If possible, make predict_slice fit into the slice. As of now, it works on some previous lines (up to slice_height / 2) if the condition on the next line is false. */
|
|
if (s->keyframe || (s->avctx->debug&512)){
|
|
y = FFMIN(p->height, slice_starty);
|
|
end_y = FFMIN(p->height, slice_h);
|
|
}
|
|
else{
|
|
y = FFMAX(0, FFMIN(p->height, slice_starty - (block_w >> 1)));
|
|
end_y = FFMAX(0, FFMIN(p->height, slice_h - (block_w >> 1)));
|
|
}
|
|
while(y < end_y)
|
|
slice_buffer_release(&s->sb, y++);
|
|
}
|
|
|
|
slice_buffer_flush(&s->sb);
|
|
|
|
STOP_TIMER("idwt + predict_slices")}
|
|
}
|
|
|
|
emms_c();
|
|
|
|
if(s->last_picture.data[0])
|
|
avctx->release_buffer(avctx, &s->last_picture);
|
|
|
|
if(!(s->avctx->debug&2048))
|
|
*picture= s->current_picture;
|
|
else
|
|
*picture= s->mconly_picture;
|
|
|
|
*data_size = sizeof(AVFrame);
|
|
|
|
bytes_read= c->bytestream - c->bytestream_start;
|
|
if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n"); //FIXME
|
|
|
|
return bytes_read;
|
|
}
|
|
|
|
static int decode_end(AVCodecContext *avctx)
|
|
{
|
|
SnowContext *s = avctx->priv_data;
|
|
|
|
slice_buffer_destroy(&s->sb);
|
|
|
|
common_end(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
AVCodec snow_decoder = {
|
|
"snow",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_SNOW,
|
|
sizeof(SnowContext),
|
|
decode_init,
|
|
NULL,
|
|
decode_end,
|
|
decode_frame,
|
|
0 /*CODEC_CAP_DR1*/ /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
|
|
NULL
|
|
};
|
|
|
|
#ifdef CONFIG_ENCODERS
|
|
AVCodec snow_encoder = {
|
|
"snow",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_SNOW,
|
|
sizeof(SnowContext),
|
|
encode_init,
|
|
encode_frame,
|
|
encode_end,
|
|
};
|
|
#endif
|
|
|
|
|
|
#if 0
|
|
#undef malloc
|
|
#undef free
|
|
#undef printf
|
|
|
|
int main(){
|
|
int width=256;
|
|
int height=256;
|
|
int buffer[2][width*height];
|
|
SnowContext s;
|
|
int i;
|
|
s.spatial_decomposition_count=6;
|
|
s.spatial_decomposition_type=1;
|
|
|
|
printf("testing 5/3 DWT\n");
|
|
for(i=0; i<width*height; i++)
|
|
buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
|
|
|
|
ff_spatial_dwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
ff_spatial_idwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
|
|
for(i=0; i<width*height; i++)
|
|
if(buffer[0][i]!= buffer[1][i]) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
|
|
|
|
printf("testing 9/7 DWT\n");
|
|
s.spatial_decomposition_type=0;
|
|
for(i=0; i<width*height; i++)
|
|
buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
|
|
|
|
ff_spatial_dwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
ff_spatial_idwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
|
|
for(i=0; i<width*height; i++)
|
|
if(buffer[0][i]!= buffer[1][i]) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
|
|
|
|
printf("testing AC coder\n");
|
|
memset(s.header_state, 0, sizeof(s.header_state));
|
|
ff_init_range_encoder(&s.c, buffer[0], 256*256);
|
|
ff_init_cabac_states(&s.c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
|
|
|
|
for(i=-256; i<256; i++){
|
|
START_TIMER
|
|
put_symbol(&s.c, s.header_state, i*i*i/3*ABS(i), 1);
|
|
STOP_TIMER("put_symbol")
|
|
}
|
|
ff_rac_terminate(&s.c);
|
|
|
|
memset(s.header_state, 0, sizeof(s.header_state));
|
|
ff_init_range_decoder(&s.c, buffer[0], 256*256);
|
|
ff_init_cabac_states(&s.c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
|
|
|
|
for(i=-256; i<256; i++){
|
|
int j;
|
|
START_TIMER
|
|
j= get_symbol(&s.c, s.header_state, 1);
|
|
STOP_TIMER("get_symbol")
|
|
if(j!=i*i*i/3*ABS(i)) printf("fsck: %d != %d\n", i, j);
|
|
}
|
|
{
|
|
int level, orientation, x, y;
|
|
int64_t errors[8][4];
|
|
int64_t g=0;
|
|
|
|
memset(errors, 0, sizeof(errors));
|
|
s.spatial_decomposition_count=3;
|
|
s.spatial_decomposition_type=0;
|
|
for(level=0; level<s.spatial_decomposition_count; level++){
|
|
for(orientation=level ? 1 : 0; orientation<4; orientation++){
|
|
int w= width >> (s.spatial_decomposition_count-level);
|
|
int h= height >> (s.spatial_decomposition_count-level);
|
|
int stride= width << (s.spatial_decomposition_count-level);
|
|
DWTELEM *buf= buffer[0];
|
|
int64_t error=0;
|
|
|
|
if(orientation&1) buf+=w;
|
|
if(orientation>1) buf+=stride>>1;
|
|
|
|
memset(buffer[0], 0, sizeof(int)*width*height);
|
|
buf[w/2 + h/2*stride]= 256*256;
|
|
ff_spatial_idwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
int64_t d= buffer[0][x + y*width];
|
|
error += d*d;
|
|
if(ABS(width/2-x)<9 && ABS(height/2-y)<9 && level==2) printf("%8lld ", d);
|
|
}
|
|
if(ABS(height/2-y)<9 && level==2) printf("\n");
|
|
}
|
|
error= (int)(sqrt(error)+0.5);
|
|
errors[level][orientation]= error;
|
|
if(g) g=ff_gcd(g, error);
|
|
else g= error;
|
|
}
|
|
}
|
|
printf("static int const visual_weight[][4]={\n");
|
|
for(level=0; level<s.spatial_decomposition_count; level++){
|
|
printf(" {");
|
|
for(orientation=0; orientation<4; orientation++){
|
|
printf("%8lld,", errors[level][orientation]/g);
|
|
}
|
|
printf("},\n");
|
|
}
|
|
printf("};\n");
|
|
{
|
|
int level=2;
|
|
int orientation=3;
|
|
int w= width >> (s.spatial_decomposition_count-level);
|
|
int h= height >> (s.spatial_decomposition_count-level);
|
|
int stride= width << (s.spatial_decomposition_count-level);
|
|
DWTELEM *buf= buffer[0];
|
|
int64_t error=0;
|
|
|
|
buf+=w;
|
|
buf+=stride>>1;
|
|
|
|
memset(buffer[0], 0, sizeof(int)*width*height);
|
|
#if 1
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
int tab[4]={0,2,3,1};
|
|
buffer[0][x+width*y]= 256*256*tab[(x&1) + 2*(y&1)];
|
|
}
|
|
}
|
|
ff_spatial_dwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
#else
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
buf[x + y*stride ]=169;
|
|
buf[x + y*stride-w]=64;
|
|
}
|
|
}
|
|
ff_spatial_idwt(buffer[0], width, height, width, s->spatial_decomposition_type, s->spatial_decomposition_count);
|
|
#endif
|
|
for(y=0; y<height; y++){
|
|
for(x=0; x<width; x++){
|
|
int64_t d= buffer[0][x + y*width];
|
|
error += d*d;
|
|
if(ABS(width/2-x)<9 && ABS(height/2-y)<9) printf("%8lld ", d);
|
|
}
|
|
if(ABS(height/2-y)<9) printf("\n");
|
|
}
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|