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	 647fa49495
			
		
	
	647fa49495
	
	
	
		
			
			Fixes: 5894/clusterfuzz-testcase-minimized-5315325420634112 Fixes: runtime error: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
		
			
				
	
	
		
			609 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			609 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2004-2010 Michael Niedermayer <michaelni@gmx.at>
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|  * Copyright (C) 2008 David Conrad
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|  * Copyright (C) 2015 Open Broadcast Systems Ltd.
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|  * Author    (C) 2015 Rostislav Pehlivanov <atomnuker@gmail.com>
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #if defined(TEMPLATE_8bit)
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| 
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| #    define RENAME(N)   N ## _8bit
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| #    define TYPE        int16_t
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| #    undef  TEMPLATE_8bit
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| 
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| #elif defined(TEMPLATE_10bit)
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| 
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| #    define RENAME(N)   N ## _10bit
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| #    define TYPE        int32_t
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| #    undef  TEMPLATE_10bit
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| 
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| #elif defined(TEMPLATE_12bit)
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| 
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| #    define RENAME(N)   N ## _12bit
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| #    define TYPE        int32_t
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| #    undef  TEMPLATE_12bit
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| 
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| #endif
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| 
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| static void RENAME(vertical_compose53iL0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2,
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|                                           int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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|     for (i = 0; i < width; i++)
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|         b1[i] -= (unsigned)((int)(b0[i] + (unsigned)b2[i] + 2) >> 2);
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| }
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| 
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| static av_always_inline void RENAME(interleave)(TYPE *dst, TYPE *src0, TYPE *src1, int w2,
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|                                                 int add, int shift)
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| {
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|     int i;
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|     for (i = 0; i < w2; i++) {
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|         dst[2*i  ] = (src0[i] + add) >> shift;
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|         dst[2*i+1] = (src1[i] + add) >> shift;
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|     }
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| }
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| 
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| static void RENAME(horizontal_compose_dirac53i)(uint8_t *_b, uint8_t *_temp, int w)
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| {
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|     int x;
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|     const int w2 = w >> 1;
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|     TYPE *b     = (TYPE *)_b;
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|     TYPE *temp  = (TYPE *)_temp;
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| 
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|     temp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
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|     for (x = 1; x < w2; x++) {
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|         temp[x     ] = COMPOSE_53iL0     (b[x+w2-1], b[x     ], b[x+w2]);
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|         temp[x+w2-1] = COMPOSE_DIRAC53iH0(temp[x-1], b[x+w2-1], temp[x]);
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|     }
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|     temp[w-1] = COMPOSE_DIRAC53iH0(temp[w2-1], b[w-1], temp[w2-1]);
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| 
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|     RENAME(interleave)(b, temp, temp+w2, w2, 1, 1);
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| }
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| 
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| static void RENAME(horizontal_compose_dd97i)(uint8_t *_b, uint8_t *_tmp, int w)
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| {
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|     int x;
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|     const int w2 = w >> 1;
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|     TYPE *b   = (TYPE *)_b;
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|     TYPE *tmp = (TYPE *)_tmp;
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| 
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|     tmp[0] = COMPOSE_53iL0(b[w2], b[0], b[w2]);
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|     for (x = 1; x < w2; x++)
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|         tmp[x] = COMPOSE_53iL0(b[x+w2-1], b[x], b[x+w2]);
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| 
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|     // extend the edges
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|     tmp[-1]   = tmp[0];
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|     tmp[w2+1] = tmp[w2] = tmp[w2-1];
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| 
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|     for (x = 0; x < w2; x++) {
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|         b[2*x  ] = ((int)(tmp[x] + 1U))>>1;
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|         b[2*x+1] = ((int)(COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1U))>>1;
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|     }
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| }
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| 
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| static void RENAME(horizontal_compose_dd137i)(uint8_t *_b, uint8_t *_tmp, int w)
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| {
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|     const int w2 = w >> 1;
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|     int x;
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|     TYPE *b   = (TYPE *)_b;
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|     TYPE *tmp = (TYPE *)_tmp;
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| 
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|     tmp[0] = COMPOSE_DD137iL0(b[w2], b[w2], b[0], b[w2  ], b[w2+1]);
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|     tmp[1] = COMPOSE_DD137iL0(b[w2], b[w2], b[1], b[w2+1], b[w2+2]);
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|     for (x = 2; x < w2-1; x++)
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|         tmp[x] = COMPOSE_DD137iL0(b[x+w2-2], b[x+w2-1], b[x], b[x+w2], b[x+w2+1]);
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|     tmp[w2-1] = COMPOSE_DD137iL0(b[w-3], b[w-2], b[w2-1], b[w-1], b[w-1]);
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| 
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|     // extend the edges
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|     tmp[-1]   = tmp[0];
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|     tmp[w2+1] = tmp[w2] = tmp[w2-1];
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| 
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|     for (x = 0; x < w2; x++) {
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|         b[2*x  ] = ((int)(tmp[x] + 1U))>>1;
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|         b[2*x+1] = ((int)(COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1U))>>1;
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|     }
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| }
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| 
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| static av_always_inline void RENAME(horizontal_compose_haari)(TYPE *b, TYPE *temp,
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|                                                               int w, int shift)
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| {
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|     const int w2 = w >> 1;
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|     int x;
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| 
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|     for (x = 0; x < w2; x++) {
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|         temp[x   ] = COMPOSE_HAARiL0(b[x   ], b[x+w2]);
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|         temp[x+w2] = COMPOSE_HAARiH0(b[x+w2], temp[x]);
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|     }
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| 
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|     RENAME(interleave)(b, temp, temp+w2, w2, shift, shift);
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| }
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| 
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| static void RENAME(horizontal_compose_haar0i)(uint8_t *_b, uint8_t *_temp, int w)
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| {
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|     TYPE *b    = (TYPE *)_b;
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|     TYPE *temp = (TYPE *)_temp;
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|     RENAME(horizontal_compose_haari)(b, temp, w, 0);
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| }
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| 
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| static void RENAME(horizontal_compose_haar1i)(uint8_t *_b, uint8_t *_temp, int w)
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| {
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|     TYPE *b    = (TYPE *)_b;
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|     TYPE *temp = (TYPE *)_temp;
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|     RENAME(horizontal_compose_haari)(b, temp, w, 1);
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| }
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| 
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| static void RENAME(horizontal_compose_fidelityi)(uint8_t *_b, uint8_t *_tmp, int w)
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| {
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|     const int w2 = w >> 1;
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|     int i, x;
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|     TYPE v[8];
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|     TYPE *b   = (TYPE *)_b;
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|     TYPE *tmp = (TYPE *)_tmp;
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| 
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|     for (x = 0; x < w2; x++) {
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|         for (i = 0; i < 8; i++)
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|             v[i] = b[av_clip(x-3+i, 0, w2-1)];
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|         tmp[x] = COMPOSE_FIDELITYiH0(v[0], v[1], v[2], v[3], b[x+w2], v[4], v[5], v[6], v[7]);
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|     }
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| 
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|     for (x = 0; x < w2; x++) {
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|         for (i = 0; i < 8; i++)
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|             v[i] = tmp[av_clip(x-4+i, 0, w2-1)];
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|         tmp[x+w2] = COMPOSE_FIDELITYiL0(v[0], v[1], v[2], v[3], b[x], v[4], v[5], v[6], v[7]);
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|     }
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| 
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|     RENAME(interleave)(b, tmp+w2, tmp, w2, 0, 0);
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| }
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| 
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| static void RENAME(horizontal_compose_daub97i)(uint8_t *_b, uint8_t *_temp, int w)
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| {
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|     const int w2 = w >> 1;
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|     int x, b0, b1, b2;
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|     TYPE *b    = (TYPE *)_b;
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|     TYPE *temp = (TYPE *)_temp;
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| 
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|     temp[0] = COMPOSE_DAUB97iL1(b[w2], b[0], b[w2]);
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|     for (x = 1; x < w2; x++) {
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|         temp[x     ] = COMPOSE_DAUB97iL1(b[x+w2-1], b[x     ], b[x+w2]);
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|         temp[x+w2-1] = COMPOSE_DAUB97iH1(temp[x-1], b[x+w2-1], temp[x]);
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|     }
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|     temp[w-1] = COMPOSE_DAUB97iH1(temp[w2-1], b[w-1], temp[w2-1]);
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| 
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|     // second stage combined with interleave and shift
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|     b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]);
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|     b[0] = (b0 + 1) >> 1;
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|     for (x = 1; x < w2; x++) {
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|         b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x     ], temp[x+w2]);
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|         b1 = COMPOSE_DAUB97iH0(          b0, temp[x+w2-1], b2        );
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|         b[2*x-1] = (b1 + 1) >> 1;
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|         b[2*x  ] = (b2 + 1) >> 1;
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|         b0 = b2;
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|     }
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|     b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1;
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| }
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| 
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| static void RENAME(vertical_compose_dirac53iH0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2,
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|                                                 int width)
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| {
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|     int i;
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|     TYPE *b0  = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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|     for(i=0; i<width; i++){
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|         b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_dd97iH0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2,
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|                                              uint8_t *_b3, uint8_t *_b4, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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|     TYPE *b3 = (TYPE *)_b3;
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|     TYPE *b4 = (TYPE *)_b4;
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|     for(i=0; i<width; i++){
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|         b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_dd137iL0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2,
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|                                               uint8_t *_b3, uint8_t *_b4, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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|     TYPE *b3 = (TYPE *)_b3;
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|     TYPE *b4 = (TYPE *)_b4;
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|     for(i=0; i<width; i++){
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|         b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_haar)(uint8_t *_b0, uint8_t *_b1, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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| 
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|     for (i = 0; i < width; i++) {
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|         b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]);
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|         b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_fidelityiH0)(uint8_t *_dst, uint8_t *_b[8], int width)
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| {
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|     int i;
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|     TYPE *dst = (TYPE *)_dst;
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|     TYPE *b0  = (TYPE *)_b[0];
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|     TYPE *b1  = (TYPE *)_b[1];
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|     TYPE *b2  = (TYPE *)_b[2];
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|     TYPE *b3  = (TYPE *)_b[3];
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|     TYPE *b4  = (TYPE *)_b[4];
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|     TYPE *b5  = (TYPE *)_b[5];
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|     TYPE *b6  = (TYPE *)_b[6];
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|     TYPE *b7  = (TYPE *)_b[7];
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|     for(i=0; i<width; i++){
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|         dst[i] = COMPOSE_FIDELITYiH0(b0[i], b1[i], b2[i], b3[i], dst[i], b4[i], b5[i], b6[i], b7[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_fidelityiL0)(uint8_t *_dst, uint8_t *_b[8], int width)
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| {
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|     int i;
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|     TYPE *dst = (TYPE *)_dst;
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|     TYPE *b0  = (TYPE *)_b[0];
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|     TYPE *b1  = (TYPE *)_b[1];
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|     TYPE *b2  = (TYPE *)_b[2];
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|     TYPE *b3  = (TYPE *)_b[3];
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|     TYPE *b4  = (TYPE *)_b[4];
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|     TYPE *b5  = (TYPE *)_b[5];
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|     TYPE *b6  = (TYPE *)_b[6];
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|     TYPE *b7  = (TYPE *)_b[7];
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| 
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|     for(i=0; i<width; i++){
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|         dst[i] = COMPOSE_FIDELITYiL0(b0[i], b1[i], b2[i], b3[i], dst[i], b4[i], b5[i], b6[i], b7[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_daub97iH0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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| 
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|     for(i=0; i<width; i++){
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|         b1[i] = COMPOSE_DAUB97iH0(b0[i], b1[i], b2[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_daub97iH1)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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| 
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|     for(i=0; i<width; i++){
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|         b1[i] = COMPOSE_DAUB97iH1(b0[i], b1[i], b2[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_daub97iL0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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| 
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|     for(i=0; i<width; i++){
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|         b1[i] = COMPOSE_DAUB97iL0(b0[i], b1[i], b2[i]);
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|     }
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| }
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| 
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| static void RENAME(vertical_compose_daub97iL1)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width)
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| {
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|     int i;
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|     TYPE *b0 = (TYPE *)_b0;
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|     TYPE *b1 = (TYPE *)_b1;
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|     TYPE *b2 = (TYPE *)_b2;
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| 
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|     for(i=0; i<width; i++){
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|         b1[i] = COMPOSE_DAUB97iL1(b0[i], b1[i], b2[i]);
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|     }
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| }
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| 
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| static void RENAME(spatial_compose_dd97i_dy)(DWTContext *d, int level, int width, int height, int stride)
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| {
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|     vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
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|     vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
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|     DWTCompose *cs = d->cs + level;
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| 
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|     int i, y = cs->y;
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|     uint8_t *b[8];
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|     for (i = 0; i < 6; i++)
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|         b[i] = cs->b[i];
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|     b[6] = d->buffer + av_clip(y+5, 0, height-2)*stride;
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|     b[7] = d->buffer + av_clip(y+6, 1, height-1)*stride;
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| 
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|     if(y+5<(unsigned)height) vertical_compose_l0(      b[5], b[6], b[7],       width);
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|     if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
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| 
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|     if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
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|     if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
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| 
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|     for (i = 0; i < 6; i++)
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|         cs->b[i] = b[i+2];
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|     cs->y += 2;
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| }
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| 
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| static void RENAME(spatial_compose_dirac53i_dy)(DWTContext *d, int level, int width, int height, int stride)
 | |
| {
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|     vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
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|     vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
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|     DWTCompose *cs = d->cs + level;
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| 
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|     int y= cs->y;
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|     uint8_t *b[4] = { cs->b[0], cs->b[1] };
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|     b[2] = d->buffer + avpriv_mirror(y+1, height-1)*stride;
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|     b[3] = d->buffer + avpriv_mirror(y+2, height-1)*stride;
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| 
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|     if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
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|     if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
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| 
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|     if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
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|     if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
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| 
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|     cs->b[0] = b[2];
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|     cs->b[1] = b[3];
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|     cs->y += 2;
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| }
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| 
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| static void RENAME(spatial_compose_dd137i_dy)(DWTContext *d, int level, int width, int height, int stride)
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| {
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|     vertical_compose_5tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
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|     vertical_compose_5tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
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|     DWTCompose *cs = d->cs + level;
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| 
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|     int i, y = cs->y;
 | |
|     uint8_t *b[10];
 | |
|     for (i = 0; i < 8; i++)
 | |
|         b[i] = cs->b[i];
 | |
|     b[8] = d->buffer + av_clip(y+7, 0, height-2)*stride;
 | |
|     b[9] = d->buffer + av_clip(y+8, 1, height-1)*stride;
 | |
| 
 | |
|     if(y+5<(unsigned)height) vertical_compose_l0(b[3], b[5], b[6], b[7], b[9], width);
 | |
|     if(y+1<(unsigned)height) vertical_compose_h0(b[0], b[2], b[3], b[4], b[6], width);
 | |
| 
 | |
|     if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
 | |
|     if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
 | |
| 
 | |
|     for (i = 0; i < 8; i++)
 | |
|         cs->b[i] = b[i+2];
 | |
|     cs->y += 2;
 | |
| }
 | |
| 
 | |
| // haar makes the assumption that height is even (always true for dirac)
 | |
| static void RENAME(spatial_compose_haari_dy)(DWTContext *d, int level, int width, int height, int stride)
 | |
| {
 | |
|     vertical_compose_2tap vertical_compose = (void*)d->vertical_compose;
 | |
|     int y = d->cs[level].y;
 | |
|     uint8_t *b0 = d->buffer + (y-1)*stride;
 | |
|     uint8_t *b1 = d->buffer + (y  )*stride;
 | |
| 
 | |
|     vertical_compose(b0, b1, width);
 | |
|     d->horizontal_compose(b0, d->temp, width);
 | |
|     d->horizontal_compose(b1, d->temp, width);
 | |
| 
 | |
|     d->cs[level].y += 2;
 | |
| }
 | |
| 
 | |
| // Don't do sliced idwt for fidelity; the 9 tap filter makes it a bit annoying
 | |
| // Fortunately, this filter isn't used in practice.
 | |
| static void RENAME(spatial_compose_fidelity)(DWTContext *d, int level, int width, int height, int stride)
 | |
| {
 | |
|     vertical_compose_9tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
 | |
|     vertical_compose_9tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
 | |
|     int i, y;
 | |
|     uint8_t *b[8];
 | |
| 
 | |
|     for (y = 1; y < height; y += 2) {
 | |
|         for (i = 0; i < 8; i++)
 | |
|             b[i] = d->buffer + av_clip((y-7 + 2*i), 0, height-2)*stride;
 | |
|         vertical_compose_h0(d->buffer + y*stride, b, width);
 | |
|     }
 | |
| 
 | |
|     for (y = 0; y < height; y += 2) {
 | |
|         for (i = 0; i < 8; i++)
 | |
|             b[i] = d->buffer + av_clip((y-7 + 2*i), 1, height-1)*stride;
 | |
|         vertical_compose_l0(d->buffer + y*stride, b, width);
 | |
|     }
 | |
| 
 | |
|     for (y = 0; y < height; y++)
 | |
|         d->horizontal_compose(d->buffer + y*stride, d->temp, width);
 | |
| 
 | |
|     d->cs[level].y = height+1;
 | |
| }
 | |
| 
 | |
| static void RENAME(spatial_compose_daub97i_dy)(DWTContext *d, int level, int width, int height, int stride)
 | |
| {
 | |
|     vertical_compose_3tap vertical_compose_l0 = (void*)d->vertical_compose_l0;
 | |
|     vertical_compose_3tap vertical_compose_h0 = (void*)d->vertical_compose_h0;
 | |
|     vertical_compose_3tap vertical_compose_l1 = (void*)d->vertical_compose_l1;
 | |
|     vertical_compose_3tap vertical_compose_h1 = (void*)d->vertical_compose_h1;
 | |
|     DWTCompose *cs = d->cs + level;
 | |
| 
 | |
|     int i, y = cs->y;
 | |
|     uint8_t *b[6];
 | |
|     for (i = 0; i < 4; i++)
 | |
|         b[i] = cs->b[i];
 | |
|     b[4] = d->buffer + avpriv_mirror(y+3, height-1)*stride;
 | |
|     b[5] = d->buffer + avpriv_mirror(y+4, height-1)*stride;
 | |
| 
 | |
|     if(y+3<(unsigned)height) vertical_compose_l1(b[3], b[4], b[5], width);
 | |
|     if(y+2<(unsigned)height) vertical_compose_h1(b[2], b[3], b[4], width);
 | |
|     if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
 | |
|     if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
 | |
| 
 | |
|     if(y-1<(unsigned)height) d->horizontal_compose(b[0], d->temp, width);
 | |
|     if(y+0<(unsigned)height) d->horizontal_compose(b[1], d->temp, width);
 | |
| 
 | |
|     for (i = 0; i < 4; i++)
 | |
|         cs->b[i] = b[i+2];
 | |
|     cs->y += 2;
 | |
| }
 | |
| 
 | |
| static void RENAME(spatial_compose97i_init)(DWTCompose *cs, uint8_t *buffer, int height, int stride)
 | |
| {
 | |
|     cs->b[0] = buffer + avpriv_mirror(-3-1, height-1)*stride;
 | |
|     cs->b[1] = buffer + avpriv_mirror(-3  , height-1)*stride;
 | |
|     cs->b[2] = buffer + avpriv_mirror(-3+1, height-1)*stride;
 | |
|     cs->b[3] = buffer + avpriv_mirror(-3+2, height-1)*stride;
 | |
|     cs->y = -3;
 | |
| }
 | |
| 
 | |
| static void RENAME(spatial_compose53i_init)(DWTCompose *cs, uint8_t *buffer, int height, int stride)
 | |
| {
 | |
|     cs->b[0] = buffer + avpriv_mirror(-1-1, height-1)*stride;
 | |
|     cs->b[1] = buffer + avpriv_mirror(-1  , height-1)*stride;
 | |
|     cs->y = -1;
 | |
| }
 | |
| 
 | |
| static void RENAME(spatial_compose_dd97i_init)(DWTCompose *cs, uint8_t *buffer, int height, int stride)
 | |
| {
 | |
|     cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
 | |
|     cs->b[1] = buffer + av_clip(-5  , 1, height-1)*stride;
 | |
|     cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
 | |
|     cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
 | |
|     cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
 | |
|     cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
 | |
|     cs->y = -5;
 | |
| }
 | |
| 
 | |
| static void RENAME(spatial_compose_dd137i_init)(DWTCompose *cs, uint8_t *buffer, int height, int stride)
 | |
| {
 | |
|     cs->b[0] = buffer + av_clip(-5-1, 0, height-2)*stride;
 | |
|     cs->b[1] = buffer + av_clip(-5  , 1, height-1)*stride;
 | |
|     cs->b[2] = buffer + av_clip(-5+1, 0, height-2)*stride;
 | |
|     cs->b[3] = buffer + av_clip(-5+2, 1, height-1)*stride;
 | |
|     cs->b[4] = buffer + av_clip(-5+3, 0, height-2)*stride;
 | |
|     cs->b[5] = buffer + av_clip(-5+4, 1, height-1)*stride;
 | |
|     cs->b[6] = buffer + av_clip(-5+5, 0, height-2)*stride;
 | |
|     cs->b[7] = buffer + av_clip(-5+6, 1, height-1)*stride;
 | |
|     cs->y = -5;
 | |
| }
 | |
| 
 | |
| static int RENAME(ff_spatial_idwt_init)(DWTContext *d, enum dwt_type type)
 | |
| {
 | |
|     int level;
 | |
| 
 | |
|     d->temp = (uint8_t *)(((TYPE *)d->temp) + 8);
 | |
| 
 | |
|     for (level = d->decomposition_count - 1; level >= 0; level--){
 | |
|         int hl = d->height >> level;
 | |
|         int stride_l = d->stride << level;
 | |
| 
 | |
|         switch(type){
 | |
|             case DWT_DIRAC_DD9_7:
 | |
|                 RENAME(spatial_compose_dd97i_init)(d->cs+level, d->buffer, hl, stride_l);
 | |
|                 break;
 | |
|             case DWT_DIRAC_LEGALL5_3:
 | |
|                 RENAME(spatial_compose53i_init)(d->cs+level, d->buffer, hl, stride_l);
 | |
|                 break;
 | |
|             case DWT_DIRAC_DD13_7:
 | |
|                 RENAME(spatial_compose_dd137i_init)(d->cs+level, d->buffer, hl, stride_l);
 | |
|                 break;
 | |
|             case DWT_DIRAC_HAAR0:
 | |
|             case DWT_DIRAC_HAAR1:
 | |
|                 d->cs[level].y = 1;
 | |
|                 break;
 | |
|             case DWT_DIRAC_DAUB9_7:
 | |
|                 RENAME(spatial_compose97i_init)(d->cs+level, d->buffer, hl, stride_l);
 | |
|                 break;
 | |
|             default:
 | |
|                 d->cs[level].y = 0;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     switch (type) {
 | |
|         case DWT_DIRAC_DD9_7:
 | |
|             d->spatial_compose = RENAME(spatial_compose_dd97i_dy);
 | |
|             d->vertical_compose_l0 = (void*)RENAME(vertical_compose53iL0);
 | |
|             d->vertical_compose_h0 = (void*)RENAME(vertical_compose_dd97iH0);
 | |
|             d->horizontal_compose = RENAME(horizontal_compose_dd97i);
 | |
|             d->support = 7;
 | |
|             break;
 | |
|         case DWT_DIRAC_LEGALL5_3:
 | |
|             d->spatial_compose = RENAME(spatial_compose_dirac53i_dy);
 | |
|             d->vertical_compose_l0 = (void*)RENAME(vertical_compose53iL0);
 | |
|             d->vertical_compose_h0 = (void*)RENAME(vertical_compose_dirac53iH0);
 | |
|             d->horizontal_compose = RENAME(horizontal_compose_dirac53i);
 | |
|             d->support = 3;
 | |
|             break;
 | |
|         case DWT_DIRAC_DD13_7:
 | |
|             d->spatial_compose = RENAME(spatial_compose_dd137i_dy);
 | |
|             d->vertical_compose_l0 = (void*)RENAME(vertical_compose_dd137iL0);
 | |
|             d->vertical_compose_h0 = (void*)RENAME(vertical_compose_dd97iH0);
 | |
|             d->horizontal_compose = RENAME(horizontal_compose_dd137i);
 | |
|             d->support = 7;
 | |
|             break;
 | |
|         case DWT_DIRAC_HAAR0:
 | |
|         case DWT_DIRAC_HAAR1:
 | |
|             d->spatial_compose = RENAME(spatial_compose_haari_dy);
 | |
|             d->vertical_compose = (void*)RENAME(vertical_compose_haar);
 | |
|             if (type == DWT_DIRAC_HAAR0)
 | |
|                 d->horizontal_compose = RENAME(horizontal_compose_haar0i);
 | |
|             else
 | |
|                 d->horizontal_compose = RENAME(horizontal_compose_haar1i);
 | |
|             d->support = 1;
 | |
|             break;
 | |
|         case DWT_DIRAC_FIDELITY:
 | |
|             d->spatial_compose = RENAME(spatial_compose_fidelity);
 | |
|             d->vertical_compose_l0 = (void*)RENAME(vertical_compose_fidelityiL0);
 | |
|             d->vertical_compose_h0 = (void*)RENAME(vertical_compose_fidelityiH0);
 | |
|             d->horizontal_compose = RENAME(horizontal_compose_fidelityi);
 | |
|             d->support = 0; // not really used
 | |
|             break;
 | |
|         case DWT_DIRAC_DAUB9_7:
 | |
|             d->spatial_compose = RENAME(spatial_compose_daub97i_dy);
 | |
|             d->vertical_compose_l0 = (void*)RENAME(vertical_compose_daub97iL0);
 | |
|             d->vertical_compose_h0 = (void*)RENAME(vertical_compose_daub97iH0);
 | |
|             d->vertical_compose_l1 = (void*)RENAME(vertical_compose_daub97iL1);
 | |
|             d->vertical_compose_h1 = (void*)RENAME(vertical_compose_daub97iH1);
 | |
|             d->horizontal_compose = RENAME(horizontal_compose_daub97i);
 | |
|             d->support = 5;
 | |
|             break;
 | |
|         default:
 | |
|             return AVERROR_INVALIDDATA;
 | |
|     }
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| #undef RENAME
 | |
| #undef TYPE
 |