1 /*
2 * Copyright 2017 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "sdk/android/src/jni/pc/media_constraints.h"
12
13 #include <memory>
14
15 #include "sdk/android/generated_peerconnection_jni/MediaConstraints_jni.h"
16 #include "sdk/android/native_api/jni/java_types.h"
17 #include "sdk/android/src/jni/jni_helpers.h"
18
19 namespace webrtc {
20 namespace jni {
21
22 namespace {
23
24 // Helper for translating a List<Pair<String, String>> to a Constraints.
PopulateConstraintsFromJavaPairList(JNIEnv * env,const JavaRef<jobject> & j_list)25 MediaConstraints::Constraints PopulateConstraintsFromJavaPairList(
26 JNIEnv* env,
27 const JavaRef<jobject>& j_list) {
28 MediaConstraints::Constraints constraints;
29 for (const JavaRef<jobject>& entry : Iterable(env, j_list)) {
30 constraints.emplace_back(
31 JavaToStdString(env, Java_KeyValuePair_getKey(env, entry)),
32 JavaToStdString(env, Java_KeyValuePair_getValue(env, entry)));
33 }
34 return constraints;
35 }
36
37 } // namespace
38
39 // Copies all needed data so Java object is no longer needed at return.
JavaToNativeMediaConstraints(JNIEnv * env,const JavaRef<jobject> & j_constraints)40 std::unique_ptr<MediaConstraints> JavaToNativeMediaConstraints(
41 JNIEnv* env,
42 const JavaRef<jobject>& j_constraints) {
43 return std::make_unique<MediaConstraints>(
44 PopulateConstraintsFromJavaPairList(
45 env, Java_MediaConstraints_getMandatory(env, j_constraints)),
46 PopulateConstraintsFromJavaPairList(
47 env, Java_MediaConstraints_getOptional(env, j_constraints)));
48 }
49
50 } // namespace jni
51 } // namespace webrtc
52