stagefright: add support for dynamically setting MediaCodec output surface

Bug: 11990461
Change-Id: I2aee89ef504234dc66eb5fcf6e62e1706088f758

3 files changed, 17 insertions, 2 deletions

diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index c14e6c0..3ae2a2a 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -47,6 +47,8 @@ struct ACodec : public AHierarchicalStateMachine, public CodecBase {
     virtual void initiateStart();
     virtual void initiateShutdown(bool keepComponentAllocated = false);
 
+    virtual status_t setSurface(const sp<Surface> &surface);
+
     virtual void signalFlush();
     virtual void signalResume();
 
@@ -113,6 +115,7 @@ private:
         kWhatDrainDeferredMessages   = 'drai',
         kWhatAllocateComponent       = 'allo',
         kWhatConfigureComponent      = 'conf',
+        kWhatSetSurface              = 'setS',
         kWhatCreateInputSurface      = 'cisf',
         kWhatSignalEndOfInputStream  = 'eois',
         kWhatStart                   = 'star',
@@ -229,6 +232,12 @@ private:
     status_t freeBuffersOnPort(OMX_U32 portIndex);
     status_t freeBuffer(OMX_U32 portIndex, size_t i);
 
+    status_t handleSetSurface(const sp<Surface> &surface);
+    status_t setNativeWindowSizeFormatAndUsage(
+            ANativeWindow *nativeWindow /* nonnull */,
+            int width, int height, int format, int rotation, int usage);
+    status_t setupNativeWindowSizeFormatAndUsage(ANativeWindow *nativeWindow /* nonnull */);
+
     status_t configureOutputBuffersFromNativeWindow(
             OMX_U32 *nBufferCount, OMX_U32 *nBufferSize,
             OMX_U32 *nMinUndequeuedBuffers);
diff --git a/include/media/stagefright/CodecBase.h b/include/media/stagefright/CodecBase.h
index 1bf27a6..6dece58 100644
--- a/include/media/stagefright/CodecBase.h
+++ b/include/media/stagefright/CodecBase.h
@@ -54,6 +54,8 @@ struct CodecBase : public AHandler {
     // require an explicit message handler
     virtual void onMessageReceived(const sp<AMessage> &msg) = 0;
 
+    virtual status_t setSurface(const sp<Surface> &surface) { return INVALID_OPERATION; }
+
     virtual void signalFlush() = 0;
     virtual void signalResume() = 0;
 
diff --git a/include/media/stagefright/MediaCodec.h b/include/media/stagefright/MediaCodec.h
index e232ce6..3187938 100644
--- a/include/media/stagefright/MediaCodec.h
+++ b/include/media/stagefright/MediaCodec.h
@@ -141,6 +141,8 @@ struct MediaCodec : public AHandler {
     status_t getOutputFormat(size_t index, sp<AMessage> *format);
     status_t getInputBuffer(size_t index, sp<ABuffer> *buffer);
 
+    status_t setSurface(const sp<Surface> &nativeWindow);
+
     status_t requestIDRFrame();
 
     // Notification will be posted once there "is something to do", i.e.
@@ -179,6 +181,7 @@ private:
     enum {
         kWhatInit                           = 'init',
         kWhatConfigure                      = 'conf',
+        kWhatSetSurface                     = 'sSur',
         kWhatCreateInputSurface             = 'cisf',
         kWhatStart                          = 'strt',
         kWhatStop                           = 'stop',
@@ -334,8 +337,9 @@ private:
     void extractCSD(const sp<AMessage> &format);
     status_t queueCSDInputBuffer(size_t bufferIndex);
 
-    status_t handleSetSurface(
-            const sp<Surface> &surface);
+    status_t handleSetSurface(const sp<Surface> &surface);
+    status_t connectToSurface(const sp<Surface> &surface);
+    status_t disconnectFromSurface();
 
     void postActivityNotificationIfPossible();