mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-15 03:34:56 +00:00
561a18d3ba
Patch by Robert Edele, yartrebo <<at>> earthlink <<dot>> net Originally committed as revision 5184 to svn://svn.ffmpeg.org/ffmpeg/trunk
124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
|
|
* Copyright (C) 2006 Robert Edele <yartrebo@earthlink.net>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _SNOW_H
|
|
#define _SNOW_H
|
|
|
|
#include "dsputil.h"
|
|
|
|
#define MID_STATE 128
|
|
|
|
#define MAX_DECOMPOSITIONS 8
|
|
#define MAX_PLANES 4
|
|
#define QSHIFT 5
|
|
#define QROOT (1<<QSHIFT)
|
|
#define LOSSLESS_QLOG -128
|
|
#define FRAC_BITS 8
|
|
|
|
#define LOG2_OBMC_MAX 8
|
|
#define OBMC_MAX (1<<(LOG2_OBMC_MAX))
|
|
|
|
/** Used to minimize the amount of memory used in order to optimize cache performance. **/
|
|
struct slice_buffer_s {
|
|
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.
|
|
};
|
|
|
|
#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
|
|
|
|
extern void ff_snow_vertical_compose97i(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width);
|
|
extern void ff_snow_horizontal_compose97i(DWTELEM *b, int width);
|
|
extern void ff_snow_inner_add_yblock(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
|
|
|
|
#endif
|