xref: /aosp_15_r20/frameworks/av/media/libstagefright/timedtext/test/fuzzer/timedtext_fuzz.proto (revision ec779b8e0859a360c3d303172224686826e6e0e1) 
1/*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/*
18 * proto files are used for Structure Aware fuzzing so that fuzzing can be
19 * made more effective.
20 * timedtext_fuzz.proto is used to declare structures, which are used
21 * purely inside timedtext_fuzzer.
22 */
23
24syntax = "proto3";
25
26enum Flag {
27    flag3gppglobal = 0;
28    flag3gpplocal = 1;
29    flagsrtlocal = 2;
30}
31
32enum ChunkType {
33    default = 0;
34    tx3g = 1954034535;
35    styl = 1937013100;
36    krok = 1802661739;
37    hlit = 1751935348;
38    hclr = 1751346290;
39    dlay = 1684824441;
40    href = 1752327526;
41    tbox = 1952608120;
42    blnk = 1651273323;
43    txrp = 1953985136;
44}
45
46message FontRecord {
47    uint32 fontId = 1;
48    repeated uint32 font = 2;
49}
50
51message SRTLocal {
52    repeated uint32 data = 1;
53}
54
55message GPPGlobal {
56    uint64 reservedBytes = 1;
57    uint32 displayFlags = 2;
58    int32 horizontal_vertical_justification = 3;
59    uint32 rgba = 4;
60    int32 textBox = 5;
61    uint32 styleRecordStart = 6;
62    uint32 fontId = 7;
63    uint32 fontStyle = 8;
64    uint32 entryCount = 9;
65    repeated FontRecord fontEntry = 10;
66    uint32 defaultDisparity = 11;
67}
68
69message StyleRecord {
70    uint32 startchar = 1;
71    uint32 font = 2;
72    uint32 rgba = 3;
73}
74
75message TextStyleBox {
76    uint32 count = 1;
77    repeated StyleRecord record = 2;
78}
79
80message HighlightBox {
81    uint32 start = 1;
82    uint32 end = 2;
83}
84
85message HighlightColor {
86    uint32 rgba = 1;
87}
88
89message TextKaraokeBox {
90    uint32 highlightStartTime = 1;
91    uint32 entryCount = 2;
92    repeated uint64 highlightData = 3;
93}
94
95message BoxRecord {
96    uint32 topleft = 1;
97    uint32 bottomright = 2;
98}
99
100message BlinkBox {
101    uint32 charoffset = 1;
102}
103
104message HyperTextBox {
105    uint32 charoffset = 1;
106    uint32 urlLength = 2;
107    repeated uint32 url = 3;
108    uint32 altLength = 4;
109    repeated uint32 altString = 5;
110}
111
112message GPPLocalText {
113    string text = 1;
114}
115
116message GPPLocalFormat {
117    uint64 reservedBytes = 1;
118    oneof formatStyle {
119        TextStyleBox textbox = 2;
120        HighlightBox hltbox = 3;
121        HighlightColor hltcolor = 4;
122        TextKaraokeBox krokbox = 5;
123        uint32 scrollDelay = 6;
124        HyperTextBox hrefBox = 7;
125        BoxRecord boxrecord = 8;
126        BlinkBox blinkBox = 9;
127        uint32 wrapFlag = 10;
128    }
129}
130
131message GPPLocal {
132    GPPLocalText localtext = 1;
133    GPPLocalFormat format = 2;
134}
135
136message TimedText {
137    Flag handle = 1;
138    int32 timeMs = 2;
139    SRTLocal srt = 3;
140    GPPGlobal global = 4;
141    GPPLocal local = 5;
142}
143