am ffd104a9: Merge "Remove dummy surface in CameraSource" into kraken

include/media/stagefright/CameraSource.h

@@ -28,7 +28,6 @@ namespace android {
 
 class ICamera;
 class IMemory;
-class ISurface;
 class Camera;
 
 class CameraSource : public MediaSource {
@@ -38,8 +37,6 @@ public:
 
     virtual ~CameraSource();
 
-    void setPreviewSurface(const sp<ISurface> &surface);
-
     virtual status_t start(MetaData *params = NULL);
     virtual status_t stop();
 
@@ -52,7 +49,6 @@ private:
     friend class CameraSourceListener;
 
     sp<Camera> mCamera;
-    sp<ISurface> mPreviewSurface;
 
     Mutex mLock;
     Condition mFrameAvailableCondition;

media/libmediaplayerservice/StagefrightRecorder.cpp

@@ -585,13 +585,13 @@ status_t StagefrightRecorder::startMPEG4Recording() {
             return UNKNOWN_ERROR;
         }
 
+        CHECK_EQ(OK, mCamera->setPreviewDisplay(mPreviewSurface));
+
         sp<CameraSource> cameraSource =
             CameraSource::CreateFromCamera(mCamera);
 
         CHECK(cameraSource != NULL);
 
-        cameraSource->setPreviewSurface(mPreviewSurface);
-
         sp<MetaData> enc_meta = new MetaData;
         enc_meta->setInt32(kKeyBitRate, mVideoBitRate);
         enc_meta->setInt32(kKeySampleRate, mFrameRate);  // XXX: kKeySampleRate?

media/libstagefright/CameraSource.cpp

@@ -27,42 +27,10 @@
 #include <media/stagefright/MetaData.h>
 #include <camera/Camera.h>
 #include <camera/CameraParameters.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/Overlay.h>
-#include <surfaceflinger/ISurface.h>
 #include <utils/String8.h>
 
 namespace android {
 
-struct DummySurface : public BnSurface {
-    DummySurface() {}
-
-    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage) {
-        return NULL;
-    }
-    virtual status_t setBufferCount(int bufferCount) {
-        return INVALID_OPERATION;
-    }
-
-    virtual status_t registerBuffers(const BufferHeap &buffers) {
-        return OK;
-    }
-
-    virtual void postBuffer(ssize_t offset) {}
-    virtual void unregisterBuffers() {}
-
-    virtual sp<OverlayRef> createOverlay(
-            uint32_t w, uint32_t h, int32_t format, int32_t orientation) {
-        return NULL;
-    }
-
-protected:
-    virtual ~DummySurface() {}
-
-    DummySurface(const DummySurface &);
-    DummySurface &operator=(const DummySurface &);
-};
-
 struct CameraSourceListener : public CameraListener {
     CameraSourceListener(const sp<CameraSource> &source);
 
@@ -150,23 +118,12 @@ CameraSource::~CameraSource() {
     }
 }
 
-void CameraSource::setPreviewSurface(const sp<ISurface> &surface) {
-    mPreviewSurface = surface;
-}
-
 status_t CameraSource::start(MetaData *) {
     LOGV("start");
     CHECK(!mStarted);
 
     mCamera->setListener(new CameraSourceListener(this));
-
-    status_t err =
-        mCamera->setPreviewDisplay(
-                mPreviewSurface != NULL ? mPreviewSurface : new DummySurface);
-    CHECK_EQ(err, OK);
-
-    err = mCamera->startRecording();
-    CHECK_EQ(err, OK);
+    CHECK_EQ(OK, mCamera->startRecording());
 
     mStarted = true;