270cede3f3
This permits re-use with parsers for codecs which use similar start codes. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
116 lines
5.4 KiB
C
116 lines
5.4 KiB
C
/*
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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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 <stdint.h>
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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_startcode_find_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_startcode_find_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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}
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