Stagefright: ANW::connect in MediaPlayerService
This change moves the ANativeWindow connect and disconnect logic from
MediaPlayer to MediaPlayerService::Client.
Bug: 5502654
Change-Id: Ifc43b98b01ad8f35d62d7ece43110724ec7fda3d
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 3ebe989..ba9f54f 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -40,6 +40,7 @@
#include <binder/IServiceManager.h>
#include <binder/MemoryHeapBase.h>
#include <binder/MemoryBase.h>
+#include <gui/SurfaceTextureClient.h>
#include <utils/Errors.h> // for status_t
#include <utils/String8.h>
#include <utils/SystemClock.h>
@@ -528,6 +529,8 @@
p->reset();
}
+ disconnectNativeWindow();
+
IPCThreadState::self()->flushCommands();
}
@@ -789,13 +792,67 @@
return p->setVideoSurface(surface);
}
+void MediaPlayerService::Client::disconnectNativeWindow() {
+ if (mConnectedWindow != NULL) {
+ status_t err = native_window_api_disconnect(mConnectedWindow.get(),
+ NATIVE_WINDOW_API_MEDIA);
+
+ if (err != OK) {
+ LOGW("native_window_api_disconnect returned an error: %s (%d)",
+ strerror(-err), err);
+ }
+ }
+ mConnectedWindow.clear();
+}
+
status_t MediaPlayerService::Client::setVideoSurfaceTexture(
const sp<ISurfaceTexture>& surfaceTexture)
{
LOGV("[%d] setVideoSurfaceTexture(%p)", mConnId, surfaceTexture.get());
sp<MediaPlayerBase> p = getPlayer();
if (p == 0) return UNKNOWN_ERROR;
- return p->setVideoSurfaceTexture(surfaceTexture);
+
+ sp<IBinder> binder(surfaceTexture == NULL ? NULL :
+ surfaceTexture->asBinder());
+ if (mConnectedWindowBinder == binder) {
+ return OK;
+ }
+
+ sp<ANativeWindow> anw;
+ if (surfaceTexture != NULL) {
+ anw = new SurfaceTextureClient(surfaceTexture);
+ status_t err = native_window_api_connect(anw.get(),
+ NATIVE_WINDOW_API_MEDIA);
+
+ if (err != OK) {
+ LOGE("setVideoSurfaceTexture failed: %d", err);
+ // Note that we must do the reset before disconnecting from the ANW.
+ // Otherwise queue/dequeue calls could be made on the disconnected
+ // ANW, which may result in errors.
+ reset();
+
+ disconnectNativeWindow();
+
+ return err;
+ }
+ }
+
+ // Note that we must set the player's new SurfaceTexture before
+ // disconnecting the old one. Otherwise queue/dequeue calls could be made
+ // on the disconnected ANW, which may result in errors.
+ status_t err = p->setVideoSurfaceTexture(surfaceTexture);
+
+ disconnectNativeWindow();
+
+ mConnectedWindow = anw;
+
+ if (err == OK) {
+ mConnectedWindowBinder = binder;
+ } else {
+ disconnectNativeWindow();
+ }
+
+ return err;
}
status_t MediaPlayerService::Client::invoke(const Parcel& request,
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 53e625a..62214ba 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -318,6 +318,9 @@
// @param type Of the metadata to be recorded.
void addNewMetadataUpdate(media::Metadata::Type type);
+ // Disconnect from the currently connected ANativeWindow.
+ void disconnectNativeWindow();
+
mutable Mutex mLock;
sp<MediaPlayerBase> mPlayer;
sp<MediaPlayerService> mService;
@@ -329,6 +332,8 @@
int32_t mConnId;
int mAudioSessionId;
uid_t mUID;
+ sp<ANativeWindow> mConnectedWindow;
+ sp<IBinder> mConnectedWindowBinder;
// Metadata filters.
media::Metadata::Filter mMetadataAllow; // protected by mLock