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64 lines
2.3 KiB
64 lines
2.3 KiB
7 months ago
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/*
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* Copyright 2016 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 HDR_PLUS_CLIENT_UTILS_H
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#define HDR_PLUS_CLIENT_UTILS_H
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#include <utils/Errors.h>
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#include "HdrPlusTypes.h"
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namespace android {
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namespace hdrplus_client_utils {
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/*
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* Write the image buffer to a .ppm file.
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*
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* filename is the filename of the .ppm file and should include ".ppm" in the end.
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* streamConfig is the stream configuration of the buffer.
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* buffer is the buffer to be saved to a .ppm file.
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*
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* Returns
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* OK: if the file is saved successfully.
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* BAD_VALUE: if the format is not support or the stream configuration is invalid.
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* NO_INIT: if it failed to open the file.
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*/
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status_t writePpm(const std::string &filename, const pbcamera::StreamConfiguration &streamConfig,
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const pbcamera::StreamBuffer &buffer);
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/*
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* Compare the image buffer against a golden .ppm file.
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*
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* filename is the filename of the .ppm file and should include ".ppm" in the end.
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* streamConfig is the stream configuration of the buffer.
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* buffer is the buffer to be compared.
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* diffRatio will be the difference ratio between the image buffer and the golden ppm file.
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* It's calculated as sum(R, G, B diffs in each pixel) / (width * height * 256 * 3)
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*
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* Returns
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* OK: if the comparison completed successfully.
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* BAD_VALUE: if the format is not support or the stream configuration is invalid, or the
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* file cannot be parsed correctly.
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* NO_INIT: if it failed to open the file.
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*/
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status_t comparePpm(const std::string &filename, const pbcamera::StreamConfiguration &streamConfig,
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const pbcamera::StreamBuffer &buffer, float *diffRatio);
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} // hdrplus_client_utils
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} // namespace android
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#endif // HDR_PLUS_CLIENT_UTILS_H
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