| /* |
| ** |
| ** 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. |
| // In a VideoFrame struct stored in IMemory, frame data and ICC data |
| // come after the VideoFrame structure. Their locations can be retrieved |
| // by getFlattenedData() and getFlattenedIccData(); |
| class VideoFrame |
| { |
| public: |
| // Construct a VideoFrame object with the specified parameters, |
| // will calculate frame buffer size if |hasData| is set to true. |
| VideoFrame(uint32_t width, uint32_t height, |
| uint32_t displayWidth, uint32_t displayHeight, |
| uint32_t tileWidth, uint32_t tileHeight, |
| uint32_t angle, uint32_t bpp, bool hasData, size_t iccSize): |
| mWidth(width), mHeight(height), |
| mDisplayWidth(displayWidth), mDisplayHeight(displayHeight), |
| mTileWidth(tileWidth), mTileHeight(tileHeight), mDurationUs(0), |
| mRotationAngle(angle), mBytesPerPixel(bpp), mRowBytes(bpp * width), |
| mSize(hasData ? (bpp * width * height) : 0), |
| mIccSize(iccSize), mReserved(0) { |
| } |
| |
| void init(const VideoFrame& copy, const void* iccData, size_t iccSize) { |
| *this = copy; |
| if (mIccSize == iccSize && iccSize > 0 && iccData != NULL) { |
| memcpy(getFlattenedIccData(), iccData, iccSize); |
| } else { |
| mIccSize = 0; |
| } |
| } |
| |
| // Calculate the flattened size to put it in IMemory |
| size_t getFlattenedSize() const { |
| return sizeof(VideoFrame) + mSize + mIccSize; |
| } |
| |
| // Get the pointer to the frame data in a flattened VideoFrame in IMemory |
| uint8_t* getFlattenedData() const { |
| return (uint8_t*)this + sizeof(VideoFrame); |
| } |
| |
| // Get the pointer to the ICC data in a flattened VideoFrame in IMemory |
| uint8_t* getFlattenedIccData() const { |
| return (uint8_t*)this + sizeof(VideoFrame) + mSize; |
| } |
| |
| // Intentional public access modifier: |
| uint32_t mWidth; // Decoded image width before rotation |
| uint32_t mHeight; // Decoded image height before rotation |
| uint32_t mDisplayWidth; // Display width before rotation |
| uint32_t mDisplayHeight; // Display height before rotation |
| uint32_t mTileWidth; // Tile width (0 if image doesn't have grid) |
| uint32_t mTileHeight; // Tile height (0 if image doesn't have grid) |
| int64_t mDurationUs; // Frame duration in microseconds |
| int32_t mRotationAngle; // Rotation angle, clockwise, should be multiple of 90 |
| uint32_t mBytesPerPixel; // Number of bytes per pixel |
| uint32_t mRowBytes; // Number of bytes per row before rotation |
| uint32_t mSize; // Number of bytes of frame data |
| uint32_t mIccSize; // Number of bytes of ICC data |
| uint32_t mReserved; // (padding to make mData 64-bit aligned) |
| }; |
| |
| }; // namespace android |
| |
| #endif // ANDROID_VIDEO_FRAME_H |