Stagefright: Make classes customizable and add AV extensions

Change access modifiers and qualify methods with virtual, to
allow extensions. Add facility for loading customizations
(Extended classes) dynamically.

Conflicts:
	media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp

Change-Id: Icc8965754fb1c73175a13a9ad24c19665ad60988

1 files changed, 70 insertions, 0 deletions

diff --git a/media/libavextensions/stagefright/AVFactory.cpp b/media/libavextensions/stagefright/AVFactory.cpp
new file mode 100644
index 0000000..da60167
--- /dev/null
+++ b/media/libavextensions/stagefright/AVFactory.cpp
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2013 - 2015, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *      with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define LOG_TAG "AVFactory"
+#include <utils/Log.h>
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/MediaDefs.h>
+#include <media/stagefright/MediaCodecList.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/ACodec.h>
+#include <media/stagefright/DataSource.h>
+#include <media/stagefright/MediaDefs.h>
+#include <media/stagefright/MediaExtractor.h>
+
+#include "common/ExtensionsLoader.hpp"
+#include "stagefright/AVExtensions.h"
+
+namespace android {
+
+sp<ACodec> AVFactory::createACodec() {
+    return new ACodec;
+}
+
+MediaExtractor* AVFactory::createExtendedExtractor(
+         const sp<DataSource> &, const char *) {
+    return NULL;
+}
+
+// ----- NO TRESSPASSING BEYOND THIS LINE ------
+AVFactory::AVFactory() {
+}
+
+AVFactory::~AVFactory() {
+}
+
+//static
+AVFactory *AVFactory::sInst =
+        ExtensionsLoader<AVFactory>::createInstance("createExtendedFactory");
+
+} //namespace android
+