FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
h264pred_init_arm.c
Go to the documentation of this 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 
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);
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 
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) {
61  if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
64  if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
65  codec_id != AV_CODEC_ID_VP8) {
73  }
74  }
75 
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)
85 #endif // HAVE_NEON
86 }
87 
89  int bit_depth, const int chroma_format_idc)
90 {
92 
93  if (have_neon(cpu_flags))
94  h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
95 }
#define VERT_PRED8x8
Definition: h264pred.h:70
void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride)
enum AVCodecID codec_id
Definition: ffmpeg_vaapi.c:149
void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride)
#define DC_128_PRED8x8
Definition: h264pred.h:76
void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride)
void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride)
#define src
Definition: vp8dsp.c:254
#define HOR_PRED8x8
Definition: h264pred.h:69
Macro definitions for various function/variable attributes.
void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride)
#define PLANE_PRED8x8
Definition: h264pred.h:71
uint8_t
#define av_cold
Definition: attributes.h:82
#define DC_PRED8x8
Definition: h264pred.h:68
void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride)
#define TOP_DC_PRED8x8
Definition: h264pred.h:75
Context for storing H.264 prediction functions.
Definition: h264pred.h:92
void(* pred8x8[4+3+4])(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.h:97
void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride)
#define ALZHEIMER_DC_0LT_PRED8x8
Definition: h264pred.h:80
#define ALZHEIMER_DC_L0T_PRED8x8
Definition: h264pred.h:79
void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride)
#define have_neon(flags)
Definition: cpu.h:27
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:150
void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride)
#define LEFT_DC_PRED8x8
Definition: h264pred.h:74
void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride)
static int cpu_flags
Definition: cpu.c:47
Libavcodec external API header.
#define ALZHEIMER_DC_0L0_PRED8x8
Definition: h264pred.h:82
static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride)
void(* pred16x16[4+3+2])(uint8_t *src, ptrdiff_t stride)
Definition: h264pred.h:98
void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride)
void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:88
H.264 / AVC / MPEG-4 prediction functions.
void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride)
av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride)
void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride)
#define ALZHEIMER_DC_L00_PRED8x8
Definition: h264pred.h:81
void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride)
void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride)