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

6 files changed, 63 insertions, 2 deletions

diff --git a/media/libavextensions/common/AVExtensionsCommon.h b/media/libavextensions/common/AVExtensionsCommon.h
index 52a247a..c39872e 100644
--- a/media/libavextensions/common/AVExtensionsCommon.h
+++ b/media/libavextensions/common/AVExtensionsCommon.h
@@ -31,8 +31,6 @@
 
 namespace android {
 
-static const char * CUSTOMIZATION_LIB_NAME = "libavenhancements.so";
-
 typedef void *(*createFunction_t)(void);
 
 template <typename T>
diff --git a/media/libavextensions/common/ExtensionsLoader.hpp b/media/libavextensions/common/ExtensionsLoader.hpp
index b23b868..e03979c 100644
--- a/media/libavextensions/common/ExtensionsLoader.hpp
+++ b/media/libavextensions/common/ExtensionsLoader.hpp
@@ -31,6 +31,8 @@
 
 namespace android {
 
+static const char * CUSTOMIZATION_LIB_NAME = "libavenhancements.so";
+
 /*
  * Create strongly-typed objects of type T
  * If the customization library exists and does contain a "named" constructor,
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");
diff --git a/media/libavextensions/stagefright/AVExtensions.h b/media/libavextensions/stagefright/AVExtensions.h
index 4d73f59..e75499f 100644
--- a/media/libavextensions/stagefright/AVExtensions.h
+++ b/media/libavextensions/stagefright/AVExtensions.h
@@ -46,10 +46,18 @@ struct ACodec;
 struct ALooper;
 struct IMediaHTTPConnection;
 struct MediaCodec;
+struct MediaSource;
 struct MediaHTTP;
 struct NuCachedSource2;
 class CameraParameters;
 class MediaBuffer;
+struct AudioSource;
+class CameraSource;
+class ICamera;
+class ICameraRecordingProxy;
+class String16;
+class IGraphicBufferProducer;
+struct Size;
 
 /*
  * Factory to create objects of base-classes in libstagefright
@@ -69,6 +77,23 @@ struct AVFactory {
     virtual MediaHTTP* createMediaHTTP(
             const sp<IMediaHTTPConnection> &conn);
 
+    virtual AudioSource* createAudioSource(
+            audio_source_t inputSource,
+            const String16 &opPackageName,
+            uint32_t sampleRate,
+            uint32_t channels,
+            uint32_t outSampleRate = 0);
+
+    virtual CameraSource *CreateFromCamera(
+            const sp<ICamera> &camera,
+            const sp<ICameraRecordingProxy> &proxy,
+            int32_t cameraId,
+            const String16& clientName,
+            uid_t clientUid,
+            Size videoSize,
+            int32_t frameRate,
+            const sp<IGraphicBufferProducer>& surface,
+            bool storeMetaDataInVideoBuffers = true);
     // ----- NO TRESSPASSING BEYOND THIS LINE ------
     DECLARE_LOADABLE_SINGLETON(AVFactory);
 };
diff --git a/media/libavextensions/stagefright/AVFactory.cpp b/media/libavextensions/stagefright/AVFactory.cpp
index fe00f45..19977e9 100644
--- a/media/libavextensions/stagefright/AVFactory.cpp
+++ b/media/libavextensions/stagefright/AVFactory.cpp
@@ -41,6 +41,9 @@
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaExtractor.h>
 #include <media/stagefright/MediaHTTP.h>
+#include <media/stagefright/AudioSource.h>
+#include <media/stagefright/CameraSource.h>
+#include <camera/CameraParameters.h>
 
 #include "common/ExtensionsLoader.hpp"
 #include "stagefright/AVExtensions.h"
@@ -75,6 +78,31 @@ MediaHTTP* AVFactory::createMediaHTTP(
     return new MediaHTTP(conn);
 }
 
+AudioSource* AVFactory::createAudioSource(
+            audio_source_t inputSource,
+            const String16 &opPackageName,
+            uint32_t sampleRate,
+            uint32_t channels,
+            uint32_t outSampleRate) {
+    return new AudioSource(inputSource, opPackageName, sampleRate,
+                            channels, outSampleRate);
+}
+
+CameraSource* AVFactory::CreateFromCamera(
+            const sp<ICamera> &camera,
+            const sp<ICameraRecordingProxy> &proxy,
+            int32_t cameraId,
+            const String16& clientName,
+            uid_t clientUid,
+            Size videoSize,
+            int32_t frameRate,
+            const sp<IGraphicBufferProducer>& surface,
+            bool storeMetaDataInVideoBuffers) {
+    return CameraSource::CreateFromCamera(camera, proxy, cameraId,
+            clientName, clientUid, videoSize, frameRate, surface,
+            storeMetaDataInVideoBuffers);
+}
+
 // ----- NO TRESSPASSING BEYOND THIS LINE ------
 AVFactory::AVFactory() {
 }