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1 /*
2  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3  * Copyright (C) 2013 Lenny Wang
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
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  */
25 #include "config.h"
26 #include "avfilter.h"
27 #include "transform.h"
28 #include "libavutil/pixelutils.h"
30 #include "libavutil/opencl.h"
31 #endif
35  EXHAUSTIVE, ///< Search all possible positions
36  SMART_EXHAUSTIVE, ///< Search most possible positions (faster)
38 };
40 typedef struct IntMotionVector {
41  int x; ///< Horizontal shift
42  int y; ///< Vertical shift
45 typedef struct MotionVector {
46  double x; ///< Horizontal shift
47  double y; ///< Vertical shift
48 } MotionVector;
50 typedef struct Transform {
51  MotionVector vec; ///< Motion vector
52  double angle; ///< Angle of rotation
53  double zoom; ///< Zoom percentage
54 } Transform;
58 typedef struct DeshakeOpenclContext {
59  cl_command_queue command_queue;
60  cl_program program;
61  cl_kernel kernel_luma;
62  cl_kernel kernel_chroma;
63  int in_plane_size[8];
64  int out_plane_size[8];
65  int plane_num;
66  cl_mem cl_inbuf;
67  size_t cl_inbuf_size;
68  cl_mem cl_outbuf;
69  size_t cl_outbuf_size;
70 } DeshakeOpenclContext;
72 #endif
74 #define MAX_R 64
76 typedef struct DeshakeContext {
77  const AVClass *class;
78  int counts[2*MAX_R+1][2*MAX_R+1]; /// < Scratch buffer for motion search
79  double *angles; ///< Scratch buffer for block angles
80  unsigned angles_size;
81  AVFrame *ref; ///< Previous frame
82  int rx; ///< Maximum horizontal shift
83  int ry; ///< Maximum vertical shift
84  int edge; ///< Edge fill method
85  int blocksize; ///< Size of blocks to compare
86  int contrast; ///< Contrast threshold
87  int search; ///< Motion search method
88  av_pixelutils_sad_fn sad; ///< Sum of the absolute difference function
89  Transform last; ///< Transform from last frame
90  int refcount; ///< Number of reference frames (defines averaging window)
91  FILE *fp;
93  int cw; ///< Crop motion search to this box
94  int ch;
95  int cx;
96  int cy;
97  char *filename; ///< Motion search detailed log filename
98  int opencl;
100  DeshakeOpenclContext opencl_ctx;
101 #endif
102  int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch,
103  const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate,
104  enum FillMethod fill, AVFrame *in, AVFrame *out);
107 #endif /* AVFILTER_DESHAKE_H */
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
int ry
Maximum vertical shift.
Definition: deshake.h:83
Main libavfilter public API header.
int y
Vertical shift.
Definition: deshake.h:42
unsigned angles_size
Definition: deshake.h:80
double angle
Angle of rotation.
Definition: deshake.h:52
Definition: transform.h:39
double zoom
Zoom percentage.
Definition: deshake.h:53
static void interpolate(float *out, float v1, float v2, int size)
Definition: twinvq.c:84
#define height
int blocksize
Size of blocks to compare.
Definition: deshake.h:85
FILE * fp
Definition: deshake.h:91
int refcount
Number of reference frames (defines averaging window)
Definition: deshake.h:90
int rx
Maximum horizontal shift.
Definition: deshake.h:82
char * filename
Motion search detailed log filename.
Definition: deshake.h:97
int(* av_pixelutils_sad_fn)(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2)
Sum of abs(src1[x] - src2[x])
Definition: pixelutils.h:29
uint16_t width
Definition: gdv.c:47
double x
Horizontal shift.
Definition: deshake.h:46
av_pixelutils_sad_fn sad
Sum of the absolute difference function.
Definition: deshake.h:88
int contrast
Contrast threshold.
Definition: deshake.h:86
Definition: transform.h:51
AVFormatContext * ctx
Definition: movenc.c:48
int edge
Edge fill method.
Definition: deshake.h:84
int search
Motion search method.
Definition: deshake.h:87
transform input video
double y
Vertical shift.
Definition: deshake.h:47
Search all possible positions.
Definition: deshake.h:35
static OpenclContext opencl_ctx
Definition: opencl.c:89
double * angles
< Scratch buffer for motion search
Definition: deshake.h:79
AVFrame * ref
Previous frame.
Definition: deshake.h:81
Transform avg
Definition: deshake.h:92
Search most possible positions (faster)
Definition: deshake.h:36
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
Describe the class of an AVClass context structure.
Definition: log.h:67
int(* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch, const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate, enum FillMethod fill, AVFrame *in, AVFrame *out)
Definition: deshake.h:102
int counts[2 *MAX_R+1][2 *MAX_R+1]
Definition: deshake.h:78
int cw
Crop motion search to this box.
Definition: deshake.h:93
Transform last
Transform from last frame.
Definition: deshake.h:89
Definition: deshake.h:34
int x
Horizontal shift.
Definition: deshake.h:41
MotionVector vec
Motion vector.
Definition: deshake.h:51
#define MAX_R
Definition: deshake.h:74
An instance of a filter.
Definition: avfilter.h:338
OpenCL wrapper.
FILE * out
Definition: movenc.c:54