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PeerConnection(android): allow initializing either (or neither) of {Voice,Video}Engine.

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Enables applications that don't want to pay the init/startup cost or request
extra permissions (e.g. audio-only app, or DataChannel-only app).

BUG=3234

Review URL: https://webrtc-codereview.appspot.com/15489004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6164 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
fischman@webrtc.org
2014-05-14 22:00:50 +00:00
parent ef5a752c29
commit a150bc9bbf
3 changed files with 13 additions and 5 deletions
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9
talk/app/webrtc/java/jni/peerconnection_jni.cc
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@@ -1892,11 +1892,14 @@ JOW(jlong, PeerConnectionFactory_nativeCreateObserver)(
#ifdef ANDROID
JOW(jboolean, PeerConnectionFactory_initializeAndroidGlobals)(
JNIEnv* jni, jclass, jobject context) {
JNIEnv* jni, jclass, jobject context,
jboolean initialize_audio, jboolean initialize_video) {
CHECK(g_jvm, "JNI_OnLoad failed to run?");
bool failure = false;
failure |= webrtc::VideoEngine::SetAndroidObjects(g_jvm);
failure |= webrtc::VoiceEngine::SetAndroidObjects(g_jvm, jni, context);
if (initialize_video)
failure |= webrtc::VideoEngine::SetAndroidObjects(g_jvm);
if (initialize_audio)
failure |= webrtc::VoiceEngine::SetAndroidObjects(g_jvm, jni, context);
return !failure;
}
#endif // ANDROID

6
talk/app/webrtc/java/src/org/webrtc/PeerConnectionFactory.java
View File

@@ -43,7 +43,11 @@ public class PeerConnectionFactory {
// |context| is an android.content.Context object, but we keep it untyped here
// to allow building on non-Android platforms.
public static native boolean initializeAndroidGlobals(Object context);
// Callers may specify either |initializeAudio| or |initializeVideo| as false
// to skip initializing the respective engine (and avoid the need for the
// respective permissions).
public static native boolean initializeAndroidGlobals(
Object context, boolean initializeAudio, boolean initializeVideo);
public PeerConnectionFactory() {
nativeFactory = nativeCreatePeerConnectionFactory();

3
talk/examples/android/src/org/appspot/apprtc/AppRTCDemoActivity.java
View File

@@ -125,7 +125,8 @@ public class AppRTCDemoActivity extends Activity
addContentView(hudView, hudLayout);
if (!factoryStaticInitialized) {
abortUnless(PeerConnectionFactory.initializeAndroidGlobals(this),
abortUnless(PeerConnectionFactory.initializeAndroidGlobals(
this, true, true),
"Failed to initializeAndroidGlobals");
factoryStaticInitialized = true;
}