FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/f_sidedata.c
Date: 2024-04-19 07:31:02
Exec Total Coverage
Lines: 0 29 0.0%
Functions: 0 2 0.0%
Branches: 0 17 0.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /**
20 * @file
21 * filter for manipulating frame side data
22 */
23
24 #include "config_components.h"
25
26 #include "libavutil/avassert.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/frame.h"
29 #include "libavutil/opt.h"
30 #include "audio.h"
31 #include "avfilter.h"
32 #include "internal.h"
33 #include "video.h"
34
35 enum SideDataMode {
36 SIDEDATA_SELECT,
37 SIDEDATA_DELETE,
38 SIDEDATA_NB
39 };
40
41 typedef struct SideDataContext {
42 const AVClass *class;
43
44 int mode;
45 int type; // enum AVFrameSideDataType or -1 for delete side data mode
46 } SideDataContext;
47
48 #define OFFSET(x) offsetof(SideDataContext, x)
49 #define DEFINE_OPTIONS(filt_name, FLAGS) \
50 static const AVOption filt_name##_options[] = { \
51 { "mode", "set a mode of operation", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, SIDEDATA_NB-1, FLAGS, .unit = "mode" }, \
52 { "select", "select frame", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_SELECT }, 0, 0, FLAGS, .unit = "mode" }, \
53 { "delete", "delete side data", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_DELETE }, 0, 0, FLAGS, .unit = "mode" }, \
54 { "type", "set side data type", OFFSET(type), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, FLAGS, .unit = "type" }, \
55 { "PANSCAN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_PANSCAN }, 0, 0, FLAGS, .unit = "type" }, \
56 { "A53_CC", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_A53_CC }, 0, 0, FLAGS, .unit = "type" }, \
57 { "STEREO3D", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_STEREO3D }, 0, 0, FLAGS, .unit = "type" }, \
58 { "MATRIXENCODING", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MATRIXENCODING }, 0, 0, FLAGS, .unit = "type" }, \
59 { "DOWNMIX_INFO", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DOWNMIX_INFO }, 0, 0, FLAGS, .unit = "type" }, \
60 { "REPLAYGAIN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REPLAYGAIN }, 0, 0, FLAGS, .unit = "type" }, \
61 { "DISPLAYMATRIX", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DISPLAYMATRIX }, 0, 0, FLAGS, .unit = "type" }, \
62 { "AFD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AFD }, 0, 0, FLAGS, .unit = "type" }, \
63 { "MOTION_VECTORS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MOTION_VECTORS }, 0, 0, FLAGS, .unit = "type" }, \
64 { "SKIP_SAMPLES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SKIP_SAMPLES }, 0, 0, FLAGS, .unit = "type" }, \
65 { "AUDIO_SERVICE_TYPE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AUDIO_SERVICE_TYPE }, 0, 0, FLAGS, .unit = "type" }, \
66 { "MASTERING_DISPLAY_METADATA", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MASTERING_DISPLAY_METADATA }, 0, 0, FLAGS, .unit = "type" }, \
67 { "GOP_TIMECODE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_GOP_TIMECODE }, 0, 0, FLAGS, .unit = "type" }, \
68 { "SPHERICAL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SPHERICAL }, 0, 0, FLAGS, .unit = "type" }, \
69 { "CONTENT_LIGHT_LEVEL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_CONTENT_LIGHT_LEVEL }, 0, 0, FLAGS, .unit = "type" }, \
70 { "ICC_PROFILE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_ICC_PROFILE }, 0, 0, FLAGS, .unit = "type" }, \
71 { "S12M_TIMECOD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_S12M_TIMECODE }, 0, 0, FLAGS, .unit = "type" }, \
72 { "DYNAMIC_HDR_PLUS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DYNAMIC_HDR_PLUS }, 0, 0, FLAGS, .unit = "type" }, \
73 { "REGIONS_OF_INTEREST", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REGIONS_OF_INTEREST }, 0, 0, FLAGS, .unit = "type" }, \
74 { "DETECTION_BOUNDING_BOXES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DETECTION_BBOXES }, 0, 0, FLAGS, .unit = "type" }, \
75 { "SEI_UNREGISTERED", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SEI_UNREGISTERED }, 0, 0, FLAGS, .unit = "type" }, \
76 { NULL } \
77 }
78
79 static av_cold int init(AVFilterContext *ctx)
80 {
81 SideDataContext *s = ctx->priv;
82
83 if (s->type == -1 && s->mode != SIDEDATA_DELETE) {
84 av_log(ctx, AV_LOG_ERROR, "Side data type must be set\n");
85 return AVERROR(EINVAL);
86 }
87
88 return 0;
89 }
90
91 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
92 {
93 AVFilterContext *ctx = inlink->dst;
94 AVFilterLink *outlink = ctx->outputs[0];
95 SideDataContext *s = ctx->priv;
96 AVFrameSideData *sd = NULL;
97
98 if (s->type != -1)
99 sd = av_frame_get_side_data(frame, s->type);
100
101 switch (s->mode) {
102 case SIDEDATA_SELECT:
103 if (sd) {
104 return ff_filter_frame(outlink, frame);
105 }
106 break;
107 case SIDEDATA_DELETE:
108 if (s->type == -1) {
109 while (frame->nb_side_data)
110 av_frame_remove_side_data(frame, frame->side_data[0]->type);
111 } else if (sd) {
112 av_frame_remove_side_data(frame, s->type);
113 }
114 return ff_filter_frame(outlink, frame);
115 break;
116 default:
117 av_assert0(0);
118 };
119
120 av_frame_free(&frame);
121
122 return 0;
123 }
124
125 #if CONFIG_ASIDEDATA_FILTER
126
127 DEFINE_OPTIONS(asidedata, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
128 AVFILTER_DEFINE_CLASS(asidedata);
129
130 static const AVFilterPad ainputs[] = {
131 {
132 .name = "default",
133 .type = AVMEDIA_TYPE_AUDIO,
134 .filter_frame = filter_frame,
135 },
136 };
137
138 const AVFilter ff_af_asidedata = {
139 .name = "asidedata",
140 .description = NULL_IF_CONFIG_SMALL("Manipulate audio frame side data."),
141 .priv_size = sizeof(SideDataContext),
142 .priv_class = &asidedata_class,
143 .init = init,
144 FILTER_INPUTS(ainputs),
145 FILTER_OUTPUTS(ff_audio_default_filterpad),
146 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
147 AVFILTER_FLAG_METADATA_ONLY,
148 };
149 #endif /* CONFIG_ASIDEDATA_FILTER */
150
151 #if CONFIG_SIDEDATA_FILTER
152
153 DEFINE_OPTIONS(sidedata, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
154 AVFILTER_DEFINE_CLASS(sidedata);
155
156 static const AVFilterPad inputs[] = {
157 {
158 .name = "default",
159 .type = AVMEDIA_TYPE_VIDEO,
160 .filter_frame = filter_frame,
161 },
162 };
163
164 const AVFilter ff_vf_sidedata = {
165 .name = "sidedata",
166 .description = NULL_IF_CONFIG_SMALL("Manipulate video frame side data."),
167 .priv_size = sizeof(SideDataContext),
168 .priv_class = &sidedata_class,
169 .init = init,
170 FILTER_INPUTS(inputs),
171 FILTER_OUTPUTS(ff_video_default_filterpad),
172 .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
173 AVFILTER_FLAG_METADATA_ONLY,
174 };
175 #endif /* CONFIG_SIDEDATA_FILTER */
176