diff options
Diffstat (limited to 'libavcodec/diracdsp.h')
| -rw-r--r-- | libavcodec/diracdsp.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/libavcodec/diracdsp.h b/libavcodec/diracdsp.h new file mode 100644 index 0000000000..613ca5bc83 --- /dev/null +++ b/libavcodec/diracdsp.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2010 David Conrad + * + * 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 AVCODEC_DIRACDSP_H +#define AVCODEC_DIRACDSP_H + +#include <stdint.h> + +typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h); +typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h); + +typedef struct { + void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height); + /** + * dirac_pixels_tab[width][subpel] + * width is 2 for 32, 1 for 16, 0 for 8 + * subpel is 0 for fpel and hpel (only need to copy from the first plane in src) + * 1 if an average of the first 2 planes is needed (TODO: worth it?) + * 2 for general qpel (avg of 4) + * 3 for general epel (biweight of 4 using the weights in src[4]) + * src[0-3] is each of the hpel planes + * src[4] is the 1/8 pel weights if needed + */ + void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); + void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); + + void (*put_signed_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); + void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); + void (*add_rect_clamped)(uint8_t *dst/*align 16*/, const uint16_t *src/*align 16*/, int stride, const int16_t *idwt/*align 16*/, int idwt_stride, int width, int height/*mod 2*/); + void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen); + + dirac_weight_func weight_dirac_pixels_tab[3]; + dirac_biweight_func biweight_dirac_pixels_tab[3]; +} DiracDSPContext; + +#define DECL_DIRAC_PIXOP(PFX, EXT) \ + void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ + void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ + void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h) + +DECL_DIRAC_PIXOP(put, c); +DECL_DIRAC_PIXOP(avg, c); +DECL_DIRAC_PIXOP(put, l2_c); +DECL_DIRAC_PIXOP(avg, l2_c); +DECL_DIRAC_PIXOP(put, l4_c); +DECL_DIRAC_PIXOP(avg, l4_c); + +void ff_diracdsp_init(DiracDSPContext *c); + +#endif /* AVCODEC_DIRACDSP_H */ |