h264pred_init_arm.c (4241B)
1 /* 2 * Copyright (c) 2009 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/avcodec.h" 26 #include "libavcodec/h264pred.h" 27 28 void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride); 29 void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride); 30 void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride); 31 void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride); 32 void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride); 33 void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride); 34 void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride); 35 36 void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride); 37 void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride); 38 void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride); 39 void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride); 40 void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride); 41 void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride); 42 void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride); 43 void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride); 44 void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride); 45 void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride); 46 void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride); 47 48 static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id, 49 const int bit_depth, 50 const int chroma_format_idc) 51 { 52 #if HAVE_NEON 53 const int high_depth = bit_depth > 8; 54 55 if (high_depth) 56 return; 57 58 if (chroma_format_idc <= 1) { 59 h->pred8x8[VERT_PRED8x8 ] = ff_pred8x8_vert_neon; 60 h->pred8x8[HOR_PRED8x8 ] = ff_pred8x8_hor_neon; 61 if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) 62 h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon; 63 h->pred8x8[DC_128_PRED8x8 ] = ff_pred8x8_128_dc_neon; 64 if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 && 65 codec_id != AV_CODEC_ID_VP8) { 66 h->pred8x8[DC_PRED8x8 ] = ff_pred8x8_dc_neon; 67 h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon; 68 h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon; 69 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon; 70 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon; 71 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon; 72 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon; 73 } 74 } 75 76 h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_neon; 77 h->pred16x16[VERT_PRED8x8 ] = ff_pred16x16_vert_neon; 78 h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_hor_neon; 79 h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon; 80 h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon; 81 h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon; 82 if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 && 83 codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8) 84 h->pred16x16[PLANE_PRED8x8 ] = ff_pred16x16_plane_neon; 85 #endif // HAVE_NEON 86 } 87 88 av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, 89 int bit_depth, const int chroma_format_idc) 90 { 91 int cpu_flags = av_get_cpu_flags(); 92 93 if (have_neon(cpu_flags)) 94 h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc); 95 }