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-rw-r--r--guest/hals/camera/Compressor.h77
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diff --git a/guest/hals/camera/Compressor.h b/guest/hals/camera/Compressor.h
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--- a/guest/hals/camera/Compressor.h
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-/*
- * Copyright (C) 2016 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 CUTTLEFISH_CAMERA_JPEG_STUB_COMPRESSOR_H
-#define CUTTLEFISH_CAMERA_JPEG_STUB_COMPRESSOR_H
-
-#include <setjmp.h>
-#include <stdlib.h>
-extern "C" {
-#include <jpeglib.h>
-#include <jerror.h>
-}
-
-#include <vector>
-
-struct _ExifData;
-typedef _ExifData ExifData;
-
-class Compressor {
-public:
- Compressor();
-
- /* Compress |data| which represents raw NV21 encoded data of dimensions
- * |width| * |height|. |exifData| is optional EXIF data that will be
- * attached to the compressed data if present, set to null if not needed.
- */
- bool compress(const unsigned char* data,
- int width, int height, int quality,
- ExifData* exifData);
-
- /* Get a reference to the compressed data, this will return an empty vector
- * if compress has not been called yet
- */
- const std::vector<unsigned char>& getCompressedData() const;
-
-private:
- struct DestinationManager : jpeg_destination_mgr {
- DestinationManager();
-
- static void initDestination(j_compress_ptr cinfo);
- static boolean emptyOutputBuffer(j_compress_ptr cinfo);
- static void termDestination(j_compress_ptr cinfo);
-
- std::vector<unsigned char> mBuffer;
- };
- struct ErrorManager : jpeg_error_mgr {
- ErrorManager();
-
- static void onJpegError(j_common_ptr cinfo);
-
- jmp_buf mJumpBuffer;
- };
-
- jpeg_compress_struct mCompressInfo;
- DestinationManager mDestManager;
- ErrorManager mErrorManager;
-
- bool configureCompressor(int width, int height, int quality);
- bool compressData(const unsigned char* data, ExifData* exifData);
- bool attachExifData(ExifData* exifData);
-};
-
-#endif // CUTTLEFISH_CAMERA_JPEG_STUB_COMPRESSOR_H
-