1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libavcodec/h264_dsp.h	Tue Sep 25 15:55:33 2012 +0200
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 + * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
     1.6 + *
     1.7 + * This file is part of FFmpeg.
     1.8 + *
     1.9 + * FFmpeg is free software; you can redistribute it and/or
    1.10 + * modify it under the terms of the GNU Lesser General Public
    1.11 + * License as published by the Free Software Foundation; either
    1.12 + * version 2.1 of the License, or (at your option) any later version.
    1.13 + *
    1.14 + * FFmpeg is distributed in the hope that it will be useful,
    1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.17 + * Lesser General Public License for more details.
    1.18 + *
    1.19 + * You should have received a copy of the GNU Lesser General Public
    1.20 + * License along with FFmpeg; if not, write to the Free Software
    1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
    1.22 + */
    1.23 +
    1.24 +/**
    1.25 + * @file
    1.26 + * H.264 DSP functions.
    1.27 + * @author Michael Niedermayer <michaelni@gmx.at>
    1.28 + */
    1.29 +
    1.30 +#ifndef AVCODEC_H264DSP_H
    1.31 +#define AVCODEC_H264DSP_H
    1.32 +
    1.33 +#include <stdint.h>
    1.34 +#include "dsputil.h"
    1.35 +
    1.36 +//typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
    1.37 +typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset);
    1.38 +typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset);
    1.39 +
    1.40 +/**
    1.41 + * Context for storing H.264 DSP functions
    1.42 + */
    1.43 +typedef struct H264DSPContext{
    1.44 +    /* weighted MC */
    1.45 +    h264_weight_func weight_h264_pixels_tab[10];
    1.46 +    h264_biweight_func biweight_h264_pixels_tab[10];
    1.47 +
    1.48 +    /* loop filter */
    1.49 +    void (*h264_v_loop_filter_luma)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0);
    1.50 +    void (*h264_h_loop_filter_luma)(uint8_t *pix/*align 4 */, int stride, int alpha, int beta, int8_t *tc0);
    1.51 +    /* v/h_loop_filter_luma_intra: align 16 */
    1.52 +    void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta);
    1.53 +    void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta);
    1.54 +    void (*h264_v_loop_filter_chroma)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0);
    1.55 +    void (*h264_h_loop_filter_chroma)(uint8_t *pix/*align 4*/, int stride, int alpha, int beta, int8_t *tc0);
    1.56 +    void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta);
    1.57 +    void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta);
    1.58 +    // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
    1.59 +    void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
    1.60 +                                      int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field);
    1.61 +
    1.62 +    /* IDCT */
    1.63 +    /* NOTE!!! if you implement any of h264_idct8_add, h264_idct8_add4 then you must implement all of them
    1.64 +       NOTE!!! if you implement any of h264_idct_add, h264_idct_add16, h264_idct_add16intra, h264_idct_add8 then you must implement all of them
    1.65 +        The reason for above, is that no 2 out of one list may use a different permutation.
    1.66 +    */
    1.67 +    void (*h264_idct_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride);
    1.68 +    void (*h264_idct8_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride);
    1.69 +    void (*h264_idct_dc_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride);
    1.70 +    void (*h264_idct8_dc_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride);
    1.71 +    void (*h264_dct)(DCTELEM block[4][4]);
    1.72 +    void (*h264_idct_add16)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]);
    1.73 +    void (*h264_idct8_add4)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]);
    1.74 +    void (*h264_idct_add8)(uint8_t **dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]);
    1.75 +    void (*h264_idct_add16intra)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]);
    1.76 +
    1.77 +    qpel_mc_func (*qpel_put)[16];
    1.78 +    qpel_mc_func (*qpel_avg)[16];
    1.79 +}H264DSPContext;
    1.80 +
    1.81 +void ff_h264dsp_init(H264DSPContext *c);
    1.82 +void ff_h264dsp_init_arm(H264DSPContext *c);
    1.83 +void ff_h264dsp_init_ppc(H264DSPContext *c);
    1.84 +void ff_h264dsp_init_x86(H264DSPContext *c);
    1.85 +
    1.86 +#endif /* AVCODEC_H264DSP_H */