94548b6323
The missing headers were being transitively included through a Skia header which is being removed. Change-Id: I6a5b26c1f1bb3ed4c65e7e39fff3b927cb14eabf
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HW_EMULATOR_CAMERA_JPEG_COMPRESSOR_H
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#define HW_EMULATOR_CAMERA_JPEG_COMPRESSOR_H
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/*
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* Contains declaration of a class NV21JpegCompressor that encapsulates a
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* converter between YV21, and JPEG formats.
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*/
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#include <YuvToJpegEncoder.h>
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#include <utils/threads.h>
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namespace android {
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/* Encapsulates a converter between YV12, and JPEG formats.
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*/
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class NV21JpegCompressor : protected Yuv420SpToJpegEncoder
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{
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public:
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/* Constructs JpegCompressor instance. */
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NV21JpegCompressor();
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/* Destructs JpegCompressor instance. */
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~NV21JpegCompressor();
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/****************************************************************************
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* Public API
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***************************************************************************/
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public:
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/* Compresses raw NV21 image into a JPEG.
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* The compressed image will be saved in mStream member of this class. Use
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* getCompressedSize method to obtain buffer size of the compressed image,
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* and getCompressedImage to copy out the compressed image.
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* Param:
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* image - Raw NV21 image.
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* width, height - Image dimensions.
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* quality - JPEG quality.
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* Return:
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* NO_ERROR on success, or an appropriate error status.
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*
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*/
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status_t compressRawImage(const void* image,
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int width,
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int height,
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int quality);
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/* Get size of the compressed JPEG buffer.
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* This method must be called only after a successful completion of
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* compressRawImage call.
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* Return:
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* Size of the compressed JPEG buffer.
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*/
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size_t getCompressedSize() const
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{
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return mStream.getOffset();
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}
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/* Copies out compressed JPEG buffer.
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* This method must be called only after a successful completion of
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* compressRawImage call.
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* Param:
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* buff - Buffer where to copy the JPEG. Must be large enough to contain the
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* entire image.
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*/
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void getCompressedImage(void* buff) const
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{
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mStream.copyTo(buff);
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}
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/****************************************************************************
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* Class data
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***************************************************************************/
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protected:
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/* Memory stream where converted JPEG is saved. */
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SkDynamicMemoryWStream mStream;
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/* Strides for Y (the first element), and UV (the second one) panes. */
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int mStrides[2];
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};
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}; /* namespace android */
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#endif /* HW_EMULATOR_CAMERA_JPEG_COMPRESSOR_H */
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