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Diffstat (limited to 'contrib/ffmpeg/libavcodec/snow.h')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/snow.h | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/contrib/ffmpeg/libavcodec/snow.h b/contrib/ffmpeg/libavcodec/snow.h deleted file mode 100644 index d75d6e3e0..000000000 --- a/contrib/ffmpeg/libavcodec/snow.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at> - * Copyright (C) 2006 Robert Edele <yartrebo@earthlink.net> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef _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 MAX_REF_FRAMES 8 - -#define LOG2_OBMC_MAX 8 -#define OBMC_MAX (1<<(LOG2_OBMC_MAX)) - -#define DWT_97 0 -#define DWT_53 1 -#define DWT_X 2 - -/** 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(const 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); - -#ifdef CONFIG_SNOW_ENCODER -int w53_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h); -int w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h); -#else -static int w53_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {assert (0);} -static int w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {assert (0);} -#endif - -/* C bits used by mmx/sse2/altivec */ - -static av_always_inline void snow_interleave_line_header(int * i, int width, DWTELEM * low, DWTELEM * high){ - (*i) = (width) - 2; - - if (width & 1){ - low[(*i)+1] = low[((*i)+1)>>1]; - (*i)--; - } -} - -static av_always_inline void snow_interleave_line_footer(int * i, DWTELEM * low, DWTELEM * high){ - for (; (*i)>=0; (*i)-=2){ - low[(*i)+1] = high[(*i)>>1]; - low[*i] = low[(*i)>>1]; - } -} - -static av_always_inline void snow_horizontal_compose_lift_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w, int lift_high, int mul, int add, int shift){ - for(; i<w; i++){ - dst[i] = src[i] - ((mul * (ref[i] + ref[i + 1]) + add) >> shift); - } - - if((width^lift_high)&1){ - dst[w] = src[w] - ((mul * 2 * ref[w] + add) >> shift); - } -} - -static av_always_inline void snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){ - for(; i<w; i++){ - dst[i] = src[i] - (((-(ref[i] + ref[(i+1)])+W_BO) - 4 * src[i]) >> W_BS); - } - - if(width&1){ - dst[w] = src[w] - (((-2 * ref[w] + W_BO) - 4 * src[w]) >> W_BS); - } -} - -#endif |