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/libavcodec/arm/h264pred_init_arm.c

http://github.com/FFmpeg/FFmpeg
C | 95 lines | 66 code | 10 blank | 19 comment | 19 complexity | 9a67a0f323b3c2e36fca12ad7a3e132c MD5 | raw file
 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
28void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
29void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
30void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
31void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
32void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
33void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
34void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
35
36void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
37void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
38void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
39void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
40void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
41void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
42void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
43void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
44void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
45void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
46void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
47
48static 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
88av_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}