video: Modify classes to support camcorder pause/resume

* Modify MediaRecorder, CameraSource, AudioSource to
  be extendable.
* Add hooks to instantiate extended implementations to
  implement pause/resume.

Change-Id: I847263fc69e4f613c5ea60fb6809c7da176d3a8d

2 files changed, 8 insertions, 0 deletions

diff --git a/media/libavextensions/media/AVMediaExtensions.h b/media/libavextensions/media/AVMediaExtensions.h
index 4dc3d95..ea5245c 100644
--- a/media/libavextensions/media/AVMediaExtensions.h
+++ b/media/libavextensions/media/AVMediaExtensions.h
@@ -36,6 +36,7 @@
 
 namespace android {
 
+class MediaRecorder;
 /*
  * Common delegate to the classes in libstagefright
  */
@@ -57,6 +58,8 @@ struct AVMediaUtils {
     virtual size_t AudioTrackGetOffloadFrameCount(size_t frameCount) {
         return frameCount;
     }
+
+    virtual sp<MediaRecorder> createMediaRecorder(const String16& opPackageName);
     // ----- NO TRESSPASSING BEYOND THIS LINE ------
     DECLARE_LOADABLE_SINGLETON(AVMediaUtils);
 };
diff --git a/media/libavextensions/media/AVMediaUtils.cpp b/media/libavextensions/media/AVMediaUtils.cpp
index 7c21414..0f9e9eb 100644
--- a/media/libavextensions/media/AVMediaUtils.cpp
+++ b/media/libavextensions/media/AVMediaUtils.cpp
@@ -40,6 +40,7 @@
 #include <media/stagefright/ACodec.h>
 
 #include <media/AudioTrack.h>
+#include <media/mediarecorder.h>
 
 #include "common/ExtensionsLoader.hpp"
 #include "media/AVMediaExtensions.h"
@@ -53,6 +54,10 @@ AVMediaUtils::AVMediaUtils() {
 AVMediaUtils::~AVMediaUtils() {
 }
 
+sp<MediaRecorder> AVMediaUtils::createMediaRecorder(const String16& opPackageName) {
+    return new MediaRecorder(opPackageName);
+}
+
 //static
 AVMediaUtils *AVMediaUtils::sInst =
         ExtensionsLoader<AVMediaUtils>::createInstance("createExtendedMediaUtils");