1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* filter for manipulating frame side data
*/
#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/frame.h"
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"
enum SideDataMode {
SIDEDATA_SELECT,
SIDEDATA_DELETE,
SIDEDATA_NB
};
typedef struct SideDataContext {
const AVClass *class;
int mode;
int type; // enum AVFrameSideDataType or -1 for delete side data mode
} SideDataContext;
#define OFFSET(x) offsetof(SideDataContext, x)
#define DEFINE_OPTIONS(filt_name, FLAGS) \
static const AVOption filt_name##_options[] = { \
{ "mode", "set a mode of operation", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, SIDEDATA_NB-1, FLAGS, .unit = "mode" }, \
{ "select", "select frame", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_SELECT }, 0, 0, FLAGS, .unit = "mode" }, \
{ "delete", "delete side data", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_DELETE }, 0, 0, FLAGS, .unit = "mode" }, \
{ "type", "set side data type", OFFSET(type), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, FLAGS, .unit = "type" }, \
{ "PANSCAN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_PANSCAN }, 0, 0, FLAGS, .unit = "type" }, \
{ "A53_CC", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_A53_CC }, 0, 0, FLAGS, .unit = "type" }, \
{ "STEREO3D", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_STEREO3D }, 0, 0, FLAGS, .unit = "type" }, \
{ "MATRIXENCODING", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MATRIXENCODING }, 0, 0, FLAGS, .unit = "type" }, \
{ "DOWNMIX_INFO", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DOWNMIX_INFO }, 0, 0, FLAGS, .unit = "type" }, \
{ "REPLAYGAIN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REPLAYGAIN }, 0, 0, FLAGS, .unit = "type" }, \
{ "DISPLAYMATRIX", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DISPLAYMATRIX }, 0, 0, FLAGS, .unit = "type" }, \
{ "AFD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AFD }, 0, 0, FLAGS, .unit = "type" }, \
{ "MOTION_VECTORS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MOTION_VECTORS }, 0, 0, FLAGS, .unit = "type" }, \
{ "SKIP_SAMPLES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SKIP_SAMPLES }, 0, 0, FLAGS, .unit = "type" }, \
{ "AUDIO_SERVICE_TYPE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AUDIO_SERVICE_TYPE }, 0, 0, FLAGS, .unit = "type" }, \
{ "MASTERING_DISPLAY_METADATA", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MASTERING_DISPLAY_METADATA }, 0, 0, FLAGS, .unit = "type" }, \
{ "GOP_TIMECODE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_GOP_TIMECODE }, 0, 0, FLAGS, .unit = "type" }, \
{ "SPHERICAL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SPHERICAL }, 0, 0, FLAGS, .unit = "type" }, \
{ "CONTENT_LIGHT_LEVEL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_CONTENT_LIGHT_LEVEL }, 0, 0, FLAGS, .unit = "type" }, \
{ "ICC_PROFILE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_ICC_PROFILE }, 0, 0, FLAGS, .unit = "type" }, \
{ "S12M_TIMECOD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_S12M_TIMECODE }, 0, 0, FLAGS, .unit = "type" }, \
{ "DYNAMIC_HDR_PLUS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DYNAMIC_HDR_PLUS }, 0, 0, FLAGS, .unit = "type" }, \
{ "REGIONS_OF_INTEREST", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REGIONS_OF_INTEREST }, 0, 0, FLAGS, .unit = "type" }, \
{ "DETECTION_BOUNDING_BOXES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DETECTION_BBOXES }, 0, 0, FLAGS, .unit = "type" }, \
{ "SEI_UNREGISTERED", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SEI_UNREGISTERED }, 0, 0, FLAGS, .unit = "type" }, \
{ NULL } \
}
static av_cold int init(AVFilterContext *ctx)
{
SideDataContext *s = ctx->priv;
if (s->type == -1 && s->mode != SIDEDATA_DELETE) {
av_log(ctx, AV_LOG_ERROR, "Side data type must be set\n");
return AVERROR(EINVAL);
}
return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
SideDataContext *s = ctx->priv;
AVFrameSideData *sd = NULL;
if (s->type != -1)
sd = av_frame_get_side_data(frame, s->type);
switch (s->mode) {
case SIDEDATA_SELECT:
if (sd) {
return ff_filter_frame(outlink, frame);
}
break;
case SIDEDATA_DELETE:
if (s->type == -1) {
while (frame->nb_side_data)
av_frame_remove_side_data(frame, frame->side_data[0]->type);
} else if (sd) {
av_frame_remove_side_data(frame, s->type);
}
return ff_filter_frame(outlink, frame);
break;
default:
av_assert0(0);
};
av_frame_free(&frame);
return 0;
}
#if CONFIG_ASIDEDATA_FILTER
DEFINE_OPTIONS(asidedata, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
AVFILTER_DEFINE_CLASS(asidedata);
static const AVFilterPad ainputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
},
};
const AVFilter ff_af_asidedata = {
.name = "asidedata",
.description = NULL_IF_CONFIG_SMALL("Manipulate audio frame side data."),
.priv_size = sizeof(SideDataContext),
.priv_class = &asidedata_class,
.init = init,
FILTER_INPUTS(ainputs),
FILTER_OUTPUTS(ff_audio_default_filterpad),
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
AVFILTER_FLAG_METADATA_ONLY,
};
#endif /* CONFIG_ASIDEDATA_FILTER */
#if CONFIG_SIDEDATA_FILTER
DEFINE_OPTIONS(sidedata, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
AVFILTER_DEFINE_CLASS(sidedata);
static const AVFilterPad inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
};
const AVFilter ff_vf_sidedata = {
.name = "sidedata",
.description = NULL_IF_CONFIG_SMALL("Manipulate video frame side data."),
.priv_size = sizeof(SideDataContext),
.priv_class = &sidedata_class,
.init = init,
FILTER_INPUTS(inputs),
FILTER_OUTPUTS(ff_video_default_filterpad),
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
AVFILTER_FLAG_METADATA_ONLY,
};
#endif /* CONFIG_SIDEDATA_FILTER */
|
