72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#ifndef K4AFASTCAPTURE_H
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#define K4AFASTCAPTURE_H
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#include <vector>
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#include <k4a/k4a.h>
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#include <math.h>
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#include <string.h>
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#include "assert.h"
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#include <iostream>
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#include <fstream>
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#ifdef _WIN32
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#include <wincodec.h>
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#include <wrl/event.h>
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#else
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#include <fcntl.h> /* For O_* constants */
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#include <sys/stat.h>
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#include <semaphore.h>
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#include <unistd.h>
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#endif
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namespace k4afastcapture
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{
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class K4AFastCapture
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{
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public:
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K4AFastCapture();
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~K4AFastCapture();
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bool Configure(const char *filePathPrefix, int32_t exposureValue, int pcmShiftValue);
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void Run(int streamingLength);
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void Stop();
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private:
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long WriteToFile(const char *fileName, void *buffer, size_t bufferSize);
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// SavePcmToImage function encodes the pcm frame into lossless PNG format, which depends on Windows Imaging
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// Component. It's only available on Windows.
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void SavePcmToImage(const char *fileName, unsigned int width, unsigned int height, uint8_t *data, size_t dataSize);
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std::string m_colorFileDirectory;
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std::string m_depthFileDirectory;
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int m_frameRequestedNum;
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int m_pcmShiftValue; // when converting the 16-bit pixel value to 8-bit format, the pixel value is shifted by
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// m_pcmShiftValue, which is normally set as 4 or 5. The pcm frame would become darker if the
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// shift value is higher.
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unsigned int m_pcmOutputHeight;
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unsigned int m_pcmOutputWidth;
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bool m_streaming;
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k4a_device_t m_device;
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k4a_capture_t m_capture;
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k4a_device_configuration_t m_deviceConfig;
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std::vector<char> m_pcmImg;
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#ifdef _WIN32
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Microsoft::WRL::Wrappers::Event m_captureRequestedEvent;
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Microsoft::WRL::Wrappers::Event m_captureDoneEvent;
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Microsoft::WRL::Wrappers::Event m_captureExitEvent;
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#else
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sem_t *m_captureRequestedSem;
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sem_t *m_captureDoneSem;
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sem_t *m_captureExitSem;
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#endif
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};
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} // namespace k4afastcapture
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#endif
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