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123 lines
2.7 KiB
123 lines
2.7 KiB
/* |
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* Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at> |
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* Copyright (C) 2006 Robert Edele <yartrebo@earthlink.net> |
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef _SNOW_H |
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#define _SNOW_H |
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#include "dsputil.h" |
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#define MID_STATE 128 |
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#define MAX_DECOMPOSITIONS 8 |
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#define MAX_PLANES 4 |
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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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#define LOG2_OBMC_MAX 8 |
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#define OBMC_MAX (1<<(LOG2_OBMC_MAX)) |
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/** Used to minimize the amount of memory used in order to optimize cache performance. **/ |
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struct slice_buffer_s { |
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DWTELEM * * line; ///< For use by idwt and predict_slices. |
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DWTELEM * * data_stack; ///< Used for internal purposes. |
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int data_stack_top; |
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int line_count; |
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int line_width; |
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int data_count; |
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DWTELEM * base_buffer; ///< Buffer that this structure is caching. |
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}; |
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#define liftS lift |
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#define lift5 lift |
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#if 1 |
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#define W_AM 3 |
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#define W_AO 0 |
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#define W_AS 1 |
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#undef liftS |
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#define W_BM 1 |
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#define W_BO 8 |
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#define W_BS 4 |
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#define W_CM 1 |
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#define W_CO 0 |
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#define W_CS 0 |
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#define W_DM 3 |
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#define W_DO 4 |
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#define W_DS 3 |
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#elif 0 |
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#define W_AM 55 |
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#define W_AO 16 |
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#define W_AS 5 |
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#define W_BM 3 |
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#define W_BO 32 |
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#define W_BS 6 |
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#define W_CM 127 |
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#define W_CO 64 |
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#define W_CS 7 |
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#define W_DM 7 |
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#define W_DO 8 |
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#define W_DS 4 |
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#elif 0 |
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#define W_AM 97 |
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#define W_AO 32 |
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#define W_AS 6 |
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#define W_BM 63 |
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#define W_BO 512 |
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#define W_BS 10 |
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#define W_CM 13 |
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#define W_CO 8 |
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#define W_CS 4 |
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#define W_DM 15 |
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#define W_DO 16 |
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#define W_DS 5 |
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#else |
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#define W_AM 203 |
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#define W_AO 64 |
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#define W_AS 7 |
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#define W_BM 217 |
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#define W_BO 2048 |
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#define W_BS 12 |
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#define W_CM 113 |
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#define W_CO 64 |
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#define W_CS 7 |
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#define W_DM 227 |
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#define W_DO 128 |
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#define W_DS 9 |
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#endif |
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extern void ff_snow_vertical_compose97i(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width); |
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extern void ff_snow_horizontal_compose97i(DWTELEM *b, int width); |
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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); |
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#endif
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