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/*
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 * Copyright (c) 2010 Mans Rullgard
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg 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 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg 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 FFmpeg; 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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#include
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#include "libavutil/attributes.h"
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#include "libavutil/arm/cpu.h"
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#include "libavcodec/h264dsp.h"
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int ff_h264_find_start_code_candidate_armv6(const uint8_t *buf, int size);
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void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
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                                     int beta, int8_t *tc0);
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void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
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                                     int beta, int8_t *tc0);
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void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
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                                       int beta, int8_t *tc0);
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void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
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                                       int beta, int8_t *tc0);
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void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
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                                   int log2_den, int weight, int offset);
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void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
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                                  int log2_den, int weight, int offset);
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void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
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                                  int log2_den, int weight, int offset);
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void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
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                                     int height, int log2_den, int weightd,
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                                     int weights, int offset);
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void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
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                                    int height, int log2_den, int weightd,
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                                    int weights, int offset);
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void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
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                                    int height, int log2_den, int weightd,
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                                    int weights, int offset);
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void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
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                             int16_t *block, int stride,
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                             const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
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                                  int16_t *block, int stride,
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                                  const uint8_t nnzc[6*8]);
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void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
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                            int16_t *block, int stride,
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                            const uint8_t nnzc[6*8]);
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void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
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                             int16_t *block, int stride,
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                             const uint8_t nnzc[6*8]);
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static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
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                                      const int chroma_format_idc)
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{
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#if HAVE_NEON
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    if (bit_depth == 8) {
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    c->h264_v_loop_filter_luma   = ff_h264_v_loop_filter_luma_neon;
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    c->h264_h_loop_filter_luma   = ff_h264_h_loop_filter_luma_neon;
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    if(chroma_format_idc == 1){
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    c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
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    c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
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    }
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    c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
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    c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
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    c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
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    c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
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    c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
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    c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
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    c->h264_idct_add        = ff_h264_idct_add_neon;
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    c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
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    c->h264_idct_add16      = ff_h264_idct_add16_neon;
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    c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
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    if (chroma_format_idc == 1)
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        c->h264_idct_add8   = ff_h264_idct_add8_neon;
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    c->h264_idct8_add       = ff_h264_idct8_add_neon;
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    c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
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    c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
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    }
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#endif // HAVE_NEON
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}
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av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
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                                 const int chroma_format_idc)
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{
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    int cpu_flags = av_get_cpu_flags();
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    if (have_armv6(cpu_flags))
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        c->h264_find_start_code_candidate = ff_h264_find_start_code_candidate_armv6;
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    if (have_neon(cpu_flags))
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        h264dsp_init_neon(c, bit_depth, chroma_format_idc);
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}