Camera framework change required for 0-memcpy recording

bug - 3042125

Change-Id: I46eb7a10b5394086b353fd73e4503beceeed76f1

1 files changed, 54 insertions, 0 deletions

diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
index 94dc5c1..7ba8d12 100644
--- a/camera/ICamera.cpp
+++ b/camera/ICamera.cpp
@@ -45,6 +45,9 @@ enum {
     STOP_RECORDING,
     RECORDING_ENABLED,
     RELEASE_RECORDING_FRAME,
+    GET_NUM_VIDEO_BUFFERS,
+    GET_VIDEO_BUFFER,
+    STORE_META_DATA_IN_BUFFERS,
 };
 
 class BpCamera: public BpInterface<ICamera>
@@ -133,6 +136,37 @@ public:
         remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
     }
 
+    int32_t getNumberOfVideoBuffers() const
+    {
+        LOGV("getNumberOfVideoBuffers");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(GET_NUM_VIDEO_BUFFERS, data, &reply);
+        return reply.readInt32();
+    }
+
+    sp<IMemory> getVideoBuffer(int32_t index) const
+    {
+        LOGV("getVideoBuffer: %d", index);
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(index);
+        remote()->transact(GET_VIDEO_BUFFER, data, &reply);
+        sp<IMemory> mem = interface_cast<IMemory>(
+                            reply.readStrongBinder());
+        return mem;
+    }
+
+    status_t storeMetaDataInBuffers(bool enabled)
+    {
+        LOGV("storeMetaDataInBuffers: %s", enabled? "true": "false");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(enabled);
+        remote()->transact(STORE_META_DATA_IN_BUFFERS, data, &reply);
+        return reply.readInt32();
+    }
+
     // check preview state
     bool previewEnabled()
     {
@@ -300,6 +334,26 @@ status_t BnCamera::onTransact(
             releaseRecordingFrame(mem);
             return NO_ERROR;
         } break;
+        case GET_NUM_VIDEO_BUFFERS: {
+            LOGV("GET_NUM_VIDEO_BUFFERS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(getNumberOfVideoBuffers());
+            return NO_ERROR;
+        } break;
+        case GET_VIDEO_BUFFER: {
+            LOGV("GET_VIDEO_BUFFER");
+            CHECK_INTERFACE(ICamera, data, reply);
+            int32_t index = data.readInt32();
+            reply->writeStrongBinder(getVideoBuffer(index)->asBinder());
+            return NO_ERROR;
+        } break;
+        case STORE_META_DATA_IN_BUFFERS: {
+            LOGV("STORE_META_DATA_IN_BUFFERS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            bool enabled = data.readInt32();
+            reply->writeInt32(storeMetaDataInBuffers(enabled));
+            return NO_ERROR;
+        } break;
         case PREVIEW_ENABLED: {
             LOGV("PREVIEW_ENABLED");
             CHECK_INTERFACE(ICamera, data, reply);