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Split workarounds to fix audio on some devices

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There were several workarounds applied in a single method. Some of them
are specific to Meizu phones, but cause issues on other devices.

Split the method to be able to only fill the app context for audio
capture without applying the Meizu workarounds.

Fixes #3801 <https://github.com/Genymobile/scrcpy/issues/3801>
This commit is contained in:
Romain Vimont 2023-03-14 22:51:31 +01:00
parent 337d6c2fd3
commit 3582592d2c
2 changed files with 32 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
server/src/main/java/com/genymobile/scrcpy/Server.java
View File

@ -81,15 +81,15 @@ public final class Server {
// But only apply when strictly necessary, since workarounds can cause other issues: // But only apply when strictly necessary, since workarounds can cause other issues:
// - <https://github.com/Genymobile/scrcpy/issues/940> // - <https://github.com/Genymobile/scrcpy/issues/940>
// - <https://github.com/Genymobile/scrcpy/issues/994> // - <https://github.com/Genymobile/scrcpy/issues/994>
boolean mustFillAppInfo = Build.BRAND.equalsIgnoreCase("meizu"); if (Build.BRAND.equalsIgnoreCase("meizu")) {
Workarounds.fillAppInfo();
}
// Before Android 11, audio is not supported. // Before Android 11, audio is not supported.
// Since Android 12, we can properly set a context on the AudioRecord. // Since Android 12, we can properly set a context on the AudioRecord.
// Only on Android 11 we must fill app info for the AudioRecord to work. // Only on Android 11 we must fill the application context for the AudioRecord to work.
mustFillAppInfo |= audio && Build.VERSION.SDK_INT == Build.VERSION_CODES.R; if (audio && Build.VERSION.SDK_INT == Build.VERSION_CODES.R) {
Workarounds.fillAppContext();
if (mustFillAppInfo) {
Workarounds.fillAppInfo();
} }
List<AsyncProcessor> asyncProcessors = new ArrayList<>(); List<AsyncProcessor> asyncProcessors = new ArrayList<>();

31
server/src/main/java/com/genymobile/scrcpy/Workarounds.java
View File

@ -10,6 +10,10 @@ import java.lang.reflect.Constructor;
import java.lang.reflect.Field; import java.lang.reflect.Field;
public final class Workarounds { public final class Workarounds {
private static Class<?> activityThreadClass;
private static Object activityThread;
private Workarounds() { private Workarounds() {
// not instantiable // not instantiable
} }
@ -28,18 +32,25 @@ public final class Workarounds {
} }
@SuppressLint("PrivateApi,DiscouragedPrivateApi") @SuppressLint("PrivateApi,DiscouragedPrivateApi")
public static void fillAppInfo() { private static void fillActivityThread() throws Exception {
try { if (activityThread == null) {
// ActivityThread activityThread = new ActivityThread(); // ActivityThread activityThread = new ActivityThread();
Class<?> activityThreadClass = Class.forName("android.app.ActivityThread"); activityThreadClass = Class.forName("android.app.ActivityThread");
Constructor<?> activityThreadConstructor = activityThreadClass.getDeclaredConstructor(); Constructor<?> activityThreadConstructor = activityThreadClass.getDeclaredConstructor();
activityThreadConstructor.setAccessible(true); activityThreadConstructor.setAccessible(true);
Object activityThread = activityThreadConstructor.newInstance(); activityThread = activityThreadConstructor.newInstance();
// ActivityThread.sCurrentActivityThread = activityThread; // ActivityThread.sCurrentActivityThread = activityThread;
Field sCurrentActivityThreadField = activityThreadClass.getDeclaredField("sCurrentActivityThread"); Field sCurrentActivityThreadField = activityThreadClass.getDeclaredField("sCurrentActivityThread");
sCurrentActivityThreadField.setAccessible(true); sCurrentActivityThreadField.setAccessible(true);
sCurrentActivityThreadField.set(null, activityThread); sCurrentActivityThreadField.set(null, activityThread);
}
}
@SuppressLint("PrivateApi,DiscouragedPrivateApi")
public static void fillAppInfo() {
try {
fillActivityThread();
// ActivityThread.AppBindData appBindData = new ActivityThread.AppBindData(); // ActivityThread.AppBindData appBindData = new ActivityThread.AppBindData();
Class<?> appBindDataClass = Class.forName("android.app.ActivityThread$AppBindData"); Class<?> appBindDataClass = Class.forName("android.app.ActivityThread$AppBindData");
@ -59,6 +70,16 @@ public final class Workarounds {
Field mBoundApplicationField = activityThreadClass.getDeclaredField("mBoundApplication"); Field mBoundApplicationField = activityThreadClass.getDeclaredField("mBoundApplication");
mBoundApplicationField.setAccessible(true); mBoundApplicationField.setAccessible(true);
mBoundApplicationField.set(activityThread, appBindData); mBoundApplicationField.set(activityThread, appBindData);
} catch (Throwable throwable) {
// this is a workaround, so failing is not an error
Ln.d("Could not fill app info: " + throwable.getMessage());
}
}
@SuppressLint("PrivateApi,DiscouragedPrivateApi")
public static void fillAppContext() {
try {
fillActivityThread();
Application app = Application.class.newInstance(); Application app = Application.class.newInstance();
Field baseField = ContextWrapper.class.getDeclaredField("mBase"); Field baseField = ContextWrapper.class.getDeclaredField("mBase");
@ -71,7 +92,7 @@ public final class Workarounds {
mInitialApplicationField.set(activityThread, app); mInitialApplicationField.set(activityThread, app);
} catch (Throwable throwable) { } catch (Throwable throwable) {
// this is a workaround, so failing is not an error // this is a workaround, so failing is not an error
Ln.d("Could not fill app info: " + throwable.getMessage()); Ln.d("Could not fill app context: " + throwable.getMessage());
} }
} }
} }