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Fixed bug 3930 - Android, set thread priorities and names

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SDLActivity thread priority is unchanged, by default -10 (THREAD_PRIORITY_VIDEO).

SDLAudio thread priority was -4 (SDL_SetThreadPriority was ignored) and is now -16 (THREAD_PRIORITY_AUDIO).

SDLThread thread priority was 0 (THREAD_PRIORITY_DEFAULT) and is -4 (THREAD_PRIORITY_DISPLAY).
This commit is contained in:
Sylvain Becker
2019-01-10 18:05:56 +01:00
parent 0e0e0272b8
commit d23c2f07e3
5 changed files with 61 additions and 3 deletions
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13
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
View File

@@ -193,6 +193,12 @@ public class SDLActivity extends Activity implements View.OnSystemUiVisibilityCh
Log.v(TAG, "onCreate()");
super.onCreate(savedInstanceState);
try {
Thread.currentThread().setName("SDLActivity");
} catch (Exception e) {
Log.v(TAG, "modify thread properties failed " + e.toString());
}
// Load shared libraries
String errorMsgBrokenLib = "";
try {
@@ -1494,7 +1500,14 @@ class SDLMain implements Runnable {
String function = SDLActivity.mSingleton.getMainFunction();
String[] arguments = SDLActivity.mSingleton.getArguments();
try {
android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_DISPLAY);
} catch (Exception e) {
Log.v("SDL", "modify thread properties failed " + e.toString());
}
Log.v("SDL", "Running main function " + function + " from library " + library);
SDLActivity.nativeRunMain(library, function, arguments);
Log.v("SDL", "Finished main function");

23
android-project/app/src/main/java/org/libsdl/app/SDLAudioManager.java
View File

@@ -73,7 +73,7 @@ public class SDLAudioManager
sampleSize = 2;
break;
}
if (isCapture) {
switch (desiredChannels) {
case 1:
@@ -298,7 +298,7 @@ public class SDLAudioManager
Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
return;
}
for (int i = 0; i < buffer.length; ) {
int result = mAudioTrack.write(buffer, i, buffer.length - i);
if (result > 0) {
@@ -364,5 +364,24 @@ public class SDLAudioManager
}
}
/** This method is called by SDL using JNI. */
public static void audioSetThreadPriority(boolean iscapture, int device_id) {
try {
/* Set thread name */
if (iscapture) {
Thread.currentThread().setName("SDLAudioC" + device_id);
} else {
Thread.currentThread().setName("SDLAudioP" + device_id);
}
/* Set thread priority */
android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
} catch (Exception e) {
Log.v(TAG, "modify thread properties failed " + e.toString());
}
}
public static native int nativeSetupJNI();
}