include/private/media/VideoFrame.h

/*
**
** Copyright (C) 2008 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 ANDROID_VIDEO_FRAME_H
#define ANDROID_VIDEO_FRAME_H

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <utils/Log.h>

namespace android {

// Represents a color converted (RGB-based) video frame
// with bitmap pixels stored in FrameBuffer
class VideoFrame
{
public:
    VideoFrame(): mWidth(0), mHeight(0), mDisplayWidth(0), mDisplayHeight(0), mSize(0),
            mRotationAngle(0), mData(0) {}

    VideoFrame(const VideoFrame& copy) {
        mWidth = copy.mWidth;
        mHeight = copy.mHeight;
        mDisplayWidth = copy.mDisplayWidth;
        mDisplayHeight = copy.mDisplayHeight;
        mSize = copy.mSize;
        mData = NULL;  // initialize it first
        if (mSize > 0 && copy.mData != NULL) {
            mData = new uint8_t[mSize];
            if (mData != NULL) {
                memcpy(mData, copy.mData, mSize);
            } else {
                mSize = 0;
            }
        }
        mRotationAngle = copy.mRotationAngle;
    }

    ~VideoFrame() {
        if (mData != 0) {
            delete[] mData;
        }
    }

    // Intentional public access modifier:
    uint32_t mWidth;
    uint32_t mHeight;
    uint32_t mDisplayWidth;
    uint32_t mDisplayHeight;
    uint32_t mSize;            // Number of bytes in mData
    int32_t  mRotationAngle;   // rotation angle, clockwise, should be multiple of 90
    // mData should be 64 bit aligned to prevent additional padding
    uint8_t* mData;            // Actual binary data
    // pad structure so it's the same size on 64 bit and 32 bit
    char     mPadding[8 - sizeof(mData)];
};

}; // namespace android

#endif // ANDROID_VIDEO_FRAME_H