h264dsp_init_arm.c (5798B)
1 /* 2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #include <stdint.h> 22 23 #include "libavutil/attributes.h" 24 #include "libavutil/arm/cpu.h" 25 #include "libavcodec/h264dsp.h" 26 #include "libavcodec/arm/startcode.h" 27 28 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, 29 int beta, int8_t *tc0); 30 void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, 31 int beta, int8_t *tc0); 32 void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, 33 int beta, int8_t *tc0); 34 void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, 35 int beta, int8_t *tc0); 36 void ff_h264_h_loop_filter_chroma422_neon(uint8_t *pix, ptrdiff_t stride, int alpha, 37 int beta, int8_t *tc0); 38 39 void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height, 40 int log2_den, int weight, int offset); 41 void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height, 42 int log2_den, int weight, int offset); 43 void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height, 44 int log2_den, int weight, int offset); 45 46 void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride, 47 int height, int log2_den, int weightd, 48 int weights, int offset); 49 void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride, 50 int height, int log2_den, int weightd, 51 int weights, int offset); 52 void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride, 53 int height, int log2_den, int weightd, 54 int weights, int offset); 55 56 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride); 57 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride); 58 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset, 59 int16_t *block, int stride, 60 const uint8_t nnzc[5 * 8]); 61 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset, 62 int16_t *block, int stride, 63 const uint8_t nnzc[5 * 8]); 64 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset, 65 int16_t *block, int stride, 66 const uint8_t nnzc[15 * 8]); 67 68 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride); 69 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride); 70 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset, 71 int16_t *block, int stride, 72 const uint8_t nnzc[5 * 8]); 73 74 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth, 75 const int chroma_format_idc) 76 { 77 #if HAVE_NEON 78 if (bit_depth == 8) { 79 c->h264_v_loop_filter_luma = ff_h264_v_loop_filter_luma_neon; 80 c->h264_h_loop_filter_luma = ff_h264_h_loop_filter_luma_neon; 81 c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon; 82 83 if (chroma_format_idc <= 1) 84 c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon; 85 else 86 c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma422_neon; 87 88 c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon; 89 c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon; 90 c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon; 91 92 c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon; 93 c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon; 94 c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon; 95 96 c->h264_idct_add = ff_h264_idct_add_neon; 97 c->h264_idct_dc_add = ff_h264_idct_dc_add_neon; 98 c->h264_idct_add16 = ff_h264_idct_add16_neon; 99 c->h264_idct_add16intra = ff_h264_idct_add16intra_neon; 100 if (chroma_format_idc <= 1) 101 c->h264_idct_add8 = ff_h264_idct_add8_neon; 102 c->h264_idct8_add = ff_h264_idct8_add_neon; 103 c->h264_idct8_dc_add = ff_h264_idct8_dc_add_neon; 104 c->h264_idct8_add4 = ff_h264_idct8_add4_neon; 105 } 106 #endif // HAVE_NEON 107 } 108 109 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, 110 const int chroma_format_idc) 111 { 112 int cpu_flags = av_get_cpu_flags(); 113 114 #if HAVE_ARMV6 115 if (have_setend(cpu_flags)) 116 c->startcode_find_candidate = ff_startcode_find_candidate_armv6; 117 #endif 118 if (have_neon(cpu_flags)) 119 h264dsp_init_neon(c, bit_depth, chroma_format_idc); 120 }