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h264pred_init_arm.c
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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/arm/cpu.h"
24 #include "libavcodec/h264pred.h"
25 
26 void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
27 void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
28 void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
29 void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
30 void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
31 void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
32 void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
33 
34 void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
35 void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
36 void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
37 void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
38 void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
39 void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
40 void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
41 void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
42 void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
43 void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
44 void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
45 
46 static void ff_h264_pred_init_neon(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
47 {
48 #if HAVE_NEON
49  const int high_depth = bit_depth > 8;
50 
51  if (high_depth)
52  return;
53  if(chroma_format_idc == 1){
56  if (codec_id != AV_CODEC_ID_VP8)
59  if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP8) {
67  }
68  }
69 
76  if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP8)
78 #endif // HAVE_NEON
79 }
80 
81 void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
82 {
84 
85  if (have_neon(cpu_flags))
86  ff_h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
87 }