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/aarch64/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
h264_pred_init_neon(H264PredContext * h,int codec_id,const int bit_depth,const int chroma_format_idc)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 const int high_depth = bit_depth > 8;
53
54 if (high_depth)
55 return;
56
57 if (chroma_format_idc <= 1) {
58 h->pred8x8[VERT_PRED8x8 ] = ff_pred8x8_vert_neon;
59 h->pred8x8[HOR_PRED8x8 ] = ff_pred8x8_hor_neon;
60 if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
61 h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
62 h->pred8x8[DC_128_PRED8x8 ] = ff_pred8x8_128_dc_neon;
63 if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
64 codec_id != AV_CODEC_ID_VP8) {
65 h->pred8x8[DC_PRED8x8 ] = ff_pred8x8_dc_neon;
66 h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
67 h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
68 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
69 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
70 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
71 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
72 }
73 }
74
75 h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_neon;
76 h->pred16x16[VERT_PRED8x8 ] = ff_pred16x16_vert_neon;
77 h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_hor_neon;
78 h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
79 h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
80 h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
81 if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 &&
82 codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
83 h->pred16x16[PLANE_PRED8x8 ] = ff_pred16x16_plane_neon;
84 }
85
ff_h264_pred_init_aarch64(H264PredContext * h,int codec_id,int bit_depth,const int chroma_format_idc)86 av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id,
87 int bit_depth, const int chroma_format_idc)
88 {
89 int cpu_flags = av_get_cpu_flags();
90
91 if (have_neon(cpu_flags))
92 h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
93 }
94