FFmpeg: libavfilter/vmaf_motion.h Source File

FFmpeg
vmaf_motion.h
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1 /*
2  * Copyright (c) 2017 Ronald S. Bultje <rsbultje@gmail.com>
3  * Copyright (c) 2017 Ashish Pratap Singh <ashk43712@gmail.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVFILTER_VMAF_MOTION_H
23 #define AVFILTER_VMAF_MOTION_H
24 
25 #include <stddef.h>
26 #include <stdint.h>
27 #include "video.h"
28 
29  typedef struct VMAFMotionDSPContext {
30   uint64_t (*sad)(const uint16_t *img1, const uint16_t *img2, int w, int h,
31  ptrdiff_t img1_stride, ptrdiff_t img2_stride);
32   void (*convolution_x)(const uint16_t *filter, int filt_w, const uint16_t *src,
33  uint16_t *dst, int w, int h, ptrdiff_t src_stride,
34  ptrdiff_t dst_stride);
35   void (*convolution_y)(const uint16_t *filter, int filt_w, const uint8_t *src,
36  uint16_t *dst, int w, int h, ptrdiff_t src_stride,
37  ptrdiff_t dst_stride);
38 } VMAFMotionDSPContext;
39 
40 void ff_vmafmotion_init_x86(VMAFMotionDSPContext *dsp);
41 
42  typedef struct VMAFMotionData {
43   uint16_t filter[5];
44   int width;
45   int height;
46   ptrdiff_t stride;
47   uint16_t *blur_data[2 /* cur, prev */];
48   uint16_t *temp_data;
49   double motion_sum;
50   uint64_t nb_frames;
51   VMAFMotionDSPContext vmafdsp;
52 } VMAFMotionData;
53 
54 int ff_vmafmotion_init(VMAFMotionData *data, int w, int h, enum AVPixelFormat fmt);
55 double ff_vmafmotion_process(VMAFMotionData *data, AVFrame *frame);
56 double ff_vmafmotion_uninit(VMAFMotionData *data);
57 
58 #endif /* AVFILTER_VMAF_MOTION_H */
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
fmt
const char * fmt
Definition: avisynth_c.h:769
VMAFMotionData::blur_data
uint16_t * blur_data[2]
Definition: vmaf_motion.h:47
img2
static uint8_t img2[WIDTH *HEIGHT]
Definition: motion.c:43
src
#define src
Definition: vp8dsp.c:254
ff_vmafmotion_init_x86
void ff_vmafmotion_init_x86(VMAFMotionDSPContext *dsp)
img1
static uint8_t img1[WIDTH *HEIGHT]
Definition: motion.c:42
VMAFMotionDSPContext::sad
uint64_t(* sad)(const uint16_t *img1, const uint16_t *img2, int w, int h, ptrdiff_t img1_stride, ptrdiff_t img2_stride)
Definition: vmaf_motion.h:30
filter
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhd.c:114
uint8_t
uint8_t
Definition: audio_convert.c:194
VMAFMotionData::nb_frames
uint64_t nb_frames
Definition: vmaf_motion.h:50
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
ff_vmafmotion_uninit
double ff_vmafmotion_uninit(VMAFMotionData *data)
Definition: vf_vmafmotion.c:289
w
uint8_t w
Definition: llviddspenc.c:38
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
VMAFMotionDSPContext::convolution_x
void(* convolution_x)(const uint16_t *filter, int filt_w, const uint16_t *src, uint16_t *dst, int w, int h, ptrdiff_t src_stride, ptrdiff_t dst_stride)
Definition: vmaf_motion.h:32
ff_vmafmotion_process
double ff_vmafmotion_process(VMAFMotionData *data, AVFrame *frame)
Definition: vf_vmafmotion.c:189
VMAFMotionData::stride
ptrdiff_t stride
Definition: vmaf_motion.h:46
VMAFMotionData::filter
uint16_t filter[5]
Definition: vmaf_motion.h:43
VMAFMotionDSPContext::convolution_y
void(* convolution_y)(const uint16_t *filter, int filt_w, const uint8_t *src, uint16_t *dst, int w, int h, ptrdiff_t src_stride, ptrdiff_t dst_stride)
Definition: vmaf_motion.h:35
VMAFMotionData::temp_data
uint16_t * temp_data
Definition: vmaf_motion.h:48
VMAFMotionData::vmafdsp
VMAFMotionDSPContext vmafdsp
Definition: vmaf_motion.h:51
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
ff_vmafmotion_init
int ff_vmafmotion_init(VMAFMotionData *data, int w, int h, enum AVPixelFormat fmt)
Definition: vf_vmafmotion.c:235
VMAFMotionData::motion_sum
double motion_sum
Definition: vmaf_motion.h:49

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