videoeditor preview code on honeycomb
Change-Id: I9c3c9cb921ea697ab16732973d26ef9035cda2ee
diff --git a/libvideoeditor/lvpp/PreviewRenderer.h b/libvideoeditor/lvpp/PreviewRenderer.h
new file mode 100755
index 0000000..d5dcd85
--- /dev/null
+++ b/libvideoeditor/lvpp/PreviewRenderer.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2011 NXP Software
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef PREVIEW_RENDERER_H_
+
+#define PREVIEW_RENDERER_H_
+
+#include <media/stagefright/ColorConverter.h>
+#include <utils/RefBase.h>
+#include <ui/android_native_buffer.h>
+#include <ui/GraphicBufferMapper.h>
+#include "SoftwareRenderer.h"
+
+namespace android {
+
+class Surface;
+
+class PreviewRenderer {
+public:
+ PreviewRenderer(
+ OMX_COLOR_FORMATTYPE colorFormat,
+ const sp<Surface> &surface,
+ size_t displayWidth, size_t displayHeight,
+ size_t decodedWidth, size_t decodedHeight,
+ int32_t rotationDegrees);
+
+ ~PreviewRenderer();
+
+ void render(
+ const void *data, size_t size, void *platformPrivate);
+
+ void getBufferYV12(uint8_t **data, size_t *stride);
+
+ void renderYV12();
+
+ static size_t ALIGN(size_t x, size_t alignment) {
+ return (x + alignment - 1) & ~(alignment - 1);
+ }
+
+private:
+ enum YUVMode {
+ None,
+ YUV420ToYUV420sp,
+ YUV420spToYUV420sp,
+ };
+
+ OMX_COLOR_FORMATTYPE mColorFormat;
+ ColorConverter *mConverter;
+ YUVMode mYUVMode;
+ sp<Surface> mSurface;
+ size_t mDisplayWidth, mDisplayHeight;
+ size_t mDecodedWidth, mDecodedHeight;
+
+ android_native_buffer_t *mBuf;
+
+ PreviewRenderer(const PreviewRenderer &);
+ PreviewRenderer &operator=(const PreviewRenderer &);
+};
+
+} // namespace android
+
+#endif // PREVIEW_RENDERER_H_