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Diffstat (limited to 'ffmpeg1/libavcodec/vc1dsp.h')
| -rw-r--r-- | ffmpeg1/libavcodec/vc1dsp.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/vc1dsp.h b/ffmpeg1/libavcodec/vc1dsp.h new file mode 100644 index 0000000..851e40c --- /dev/null +++ b/ffmpeg1/libavcodec/vc1dsp.h @@ -0,0 +1,82 @@ +/* + * VC-1 and WMV3 decoder - DSP functions + * Copyright (c) 2006 Konstantin Shishkov + * + * 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 + */ + +/** + * @file + * VC-1 and WMV3 decoder + * + */ + +#ifndef AVCODEC_VC1DSP_H +#define AVCODEC_VC1DSP_H + +#include "dsputil.h" +#include "h264chroma.h" + +typedef void (*vc1op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, ptrdiff_t line_size, int h); + +typedef struct VC1DSPContext { + /* vc1 functions */ + void (*vc1_inv_trans_8x8)(int16_t *b); + void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block); + void (*vc1_v_overlap)(uint8_t *src, int stride); + void (*vc1_h_overlap)(uint8_t *src, int stride); + void (*vc1_v_s_overlap)(int16_t *top, int16_t *bottom); + void (*vc1_h_s_overlap)(int16_t *left, int16_t *right); + void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq); + void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq); + void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq); + void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq); + void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq); + void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq); + + /* put 8x8 block with bicubic interpolation and quarterpel precision + * last argument is actually round value instead of height + */ + vc1op_pixels_func put_vc1_mspel_pixels_tab[16]; + vc1op_pixels_func avg_vc1_mspel_pixels_tab[16]; + + /* This is really one func used in VC-1 decoding */ + h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]; + h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]; + + /* Windows Media Image functions */ + void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count); + void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width); + void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width); + void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, + const uint8_t *src2a, int alpha, int width); + void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, + const uint8_t *src2a, const uint8_t *src2b, int offset2, + int alpha, int width); +} VC1DSPContext; + +void ff_vc1dsp_init(VC1DSPContext* c); +void ff_vc1dsp_init_altivec(VC1DSPContext* c); +void ff_vc1dsp_init_x86(VC1DSPContext* dsp); + +#endif /* AVCODEC_VC1DSP_H */ |