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gerrit.omnirom.org / android_frameworks_av / f9b51b1fb0c03863f23d0e3dd69cb3a73024eb6a / . / media / module / foundation / AudioPresentationInfo.cpp
blob: 4b8e969cd722e76abd4c40df285378f316bf2c3a [file] [log] [blame]
Sampath Shetty0ac73a52018-03-27 15:16:35 +1100[diff] [blame]1/*
2 * Copyright (C) 2018 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// #define LOG_NDEBUG 0
18#define LOG_TAG "AudioPresentationInfo"
19
20#include <vector>
21
22#include "AudioPresentationInfo.h"
23
24#include <utils/Log.h>
25
26namespace android {
27
28void serializeAudioPresentations(const AudioPresentationCollection& presentations,
29 std::ostream* serializedOutput) {
30 uint32_t numPresentations = presentations.size();
31 serializedOutput->write(reinterpret_cast<char*>(&numPresentations), sizeof(numPresentations));
32 for (const auto& ap : presentations) {
33 if (ap.mVersion == PRESENTATION_VERSION_1) {
34 serializedOutput->write(
35 const_cast<char*>(reinterpret_cast<const char*>(&ap.mVersion)),
36 sizeof(ap.mVersion));
37 serializedOutput->write(
38 const_cast<char*>(reinterpret_cast<const char*>(&ap.mPresentationId)),
39 sizeof(ap.mPresentationId));
40 serializedOutput->write(
41 const_cast<char*>(reinterpret_cast<const char*>(&ap.mProgramId)),
42 sizeof(ap.mProgramId));
43
44 uint32_t numLabels = ap.mLabels.size();
45 serializedOutput->write(
46 const_cast<char*>(reinterpret_cast<const char*>(&numLabels)),
47 sizeof(numLabels));
48 for (const auto& label : ap.mLabels) {
49 uint32_t labelKeySize = label.first.size();
50 serializedOutput->write(
51 const_cast<char*>(reinterpret_cast<const char*>(&labelKeySize)),
52 sizeof(labelKeySize));
53 serializedOutput->write(label.first.c_str(), labelKeySize);
54
55 uint32_t labelValSize = label.second.size();
56 serializedOutput->write(
57 const_cast<char*>(reinterpret_cast<const char*>(&labelValSize)),
58 sizeof(labelValSize));
59 serializedOutput->write(label.second.c_str(), labelValSize);
60 }
61
62 uint32_t langSize = ap.mLanguage.size();
63 serializedOutput->write(
64 const_cast<char*>(reinterpret_cast<const char*>(&langSize)),
65 sizeof(langSize));
66 serializedOutput->write(ap.mLanguage.c_str(), langSize);
67
68 serializedOutput->write(
69 const_cast<char*>(reinterpret_cast<const char*>(&ap.mMasteringIndication)),
70 sizeof(ap.mMasteringIndication));
71 serializedOutput->write(
72 const_cast<char*>(reinterpret_cast<const char*>(&ap.mAudioDescriptionAvailable)),
73 sizeof(ap.mAudioDescriptionAvailable));
74 serializedOutput->write(
75 const_cast<char*>(reinterpret_cast<const char*>(&ap.mSpokenSubtitlesAvailable)),
76 sizeof(ap.mSpokenSubtitlesAvailable));
77 serializedOutput->write(
78 const_cast<char*>(reinterpret_cast<const char*>(&ap.mDialogueEnhancementAvailable)),
79 sizeof(ap.mDialogueEnhancementAvailable));
80 }
81 }
82}
83
84status_t deserializeAudioPresentations(std::istream* serializedInput,
85 AudioPresentationCollection *presentations) {
86 uint32_t numPresentations;
87 serializedInput->read(reinterpret_cast<char*>(&numPresentations), sizeof(numPresentations));
88 for (uint32_t i = 0; i < numPresentations; ++i) {
89 uint32_t version;
90 serializedInput->read(reinterpret_cast<char*>(&version), sizeof(version));
91 if (version == PRESENTATION_VERSION_1) {
92 AudioPresentationV1 ap;
93 serializedInput->read(
94 reinterpret_cast<char*>(&ap.mPresentationId),
95 sizeof(ap.mPresentationId));
96 serializedInput->read(reinterpret_cast<char*>(&ap.mProgramId), sizeof(ap.mProgramId));
97
98 uint32_t numLabels;
99 serializedInput->read(reinterpret_cast<char*>(&numLabels), sizeof(numLabels));
100 for (uint32_t j = 0; j < numLabels; ++j) {
101 uint32_t labelKeySize;
102 serializedInput->read(reinterpret_cast<char*>(&labelKeySize), sizeof(labelKeySize));
103 std::vector<char> labelKey(labelKeySize);
104 serializedInput->read(labelKey.data(), labelKeySize);
105
106 uint32_t labelValSize;
107 serializedInput->read(reinterpret_cast<char*>(&labelValSize), sizeof(labelValSize));
108 std::vector<char> labelVal(labelValSize);
109 serializedInput->read(labelVal.data(), labelValSize);
110 ap.mLabels.emplace(
111 std::string(reinterpret_cast<char*>(labelKey.data()), labelKeySize),
112 std::string(reinterpret_cast<char*>(labelVal.data()), labelValSize));
113 }
114 uint32_t languageSize;
115 serializedInput->read(reinterpret_cast<char*>(&languageSize), sizeof(languageSize));
116 std::vector<char> language(languageSize);
117 serializedInput->read(language.data(), languageSize);
118 ap.mLanguage = std::string(reinterpret_cast<char*>(language.data()), languageSize);
119 serializedInput->read(reinterpret_cast<char*>(&ap.mMasteringIndication),
120 sizeof(ap.mMasteringIndication));
121 serializedInput->read(reinterpret_cast<char*>(&ap.mAudioDescriptionAvailable),
122 sizeof(ap.mAudioDescriptionAvailable));
123 serializedInput->read(reinterpret_cast<char*>(&ap.mSpokenSubtitlesAvailable),
124 sizeof(ap.mSpokenSubtitlesAvailable));
125 serializedInput->read(reinterpret_cast<char*>(&ap.mDialogueEnhancementAvailable),
126 sizeof(ap.mDialogueEnhancementAvailable));
127 presentations->push_back(std::move(ap));
128 } else {
129 ALOGE("Audio presentation info version is not supported");
130 return INVALID_OPERATION;
131 }
132 }
133 return OK;
134}
135
136} // namespace android