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/*
* 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:
static PreviewRenderer* CreatePreviewRenderer (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:
PreviewRenderer(
OMX_COLOR_FORMATTYPE colorFormat,
const sp<Surface> &surface,
size_t displayWidth, size_t displayHeight,
size_t decodedWidth, size_t decodedHeight,
int32_t rotationDegrees);
enum YUVMode {
None,
YUV420ToYUV420sp,
YUV420spToYUV420sp,
};
OMX_COLOR_FORMATTYPE mColorFormat;
ColorConverter *mConverter;
YUVMode mYUVMode;
sp<Surface> mSurface;
size_t mDisplayWidth, mDisplayHeight;
size_t mDecodedWidth, mDecodedHeight;
ANativeWindowBuffer *mBuf;
PreviewRenderer(const PreviewRenderer &);
PreviewRenderer &operator=(const PreviewRenderer &);
};
} // namespace android
#endif // PREVIEW_RENDERER_H_
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