diff options
Diffstat (limited to 'samples/common/src')
-rw-r--r-- | samples/common/src/CVUtils/CvVideoFileWriter.cpp | 38 | ||||
-rw-r--r-- | samples/common/src/CVUtils/CvVideoFrameReader.cpp | 98 | ||||
-rw-r--r-- | samples/common/src/CVUtils/CvWindowOutput.cpp | 33 | ||||
-rw-r--r-- | samples/common/src/Utils/CmdArgsParser.cpp | 70 |
4 files changed, 239 insertions, 0 deletions
diff --git a/samples/common/src/CVUtils/CvVideoFileWriter.cpp b/samples/common/src/CVUtils/CvVideoFileWriter.cpp new file mode 100644 index 0000000000..b76630049a --- /dev/null +++ b/samples/common/src/CVUtils/CvVideoFileWriter.cpp @@ -0,0 +1,38 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "CvVideoFileWriter.hpp" + +namespace common +{ + +void CvVideoFileWriter::Init(const std::string& outputVideo, int encoding, double fps, int width, int height) +{ + m_ready = m_cvWriter.open(outputVideo, cv::CAP_FFMPEG, + encoding, + fps, + cv::Size(width, height), true); +} + + +void CvVideoFileWriter::WriteFrame(std::shared_ptr<cv::Mat>& frame) +{ + if(m_cvWriter.isOpened()) + { + cv::cvtColor(*frame, *frame, cv::COLOR_RGB2BGR); + m_cvWriter.write(*frame); + } +} + +bool CvVideoFileWriter::IsReady() const +{ + return m_ready; +} + +void CvVideoFileWriter::Close() +{ + m_cvWriter.release(); +} +}// namespace common diff --git a/samples/common/src/CVUtils/CvVideoFrameReader.cpp b/samples/common/src/CVUtils/CvVideoFrameReader.cpp new file mode 100644 index 0000000000..2bd92d2d81 --- /dev/null +++ b/samples/common/src/CVUtils/CvVideoFrameReader.cpp @@ -0,0 +1,98 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + + +#include "CvVideoFrameReader.hpp" + +namespace common +{ + +std::shared_ptr<cv::Mat> CvVideoFrameReader::ReadFrame() +{ + // opencv copies data anyway + cv::Mat captureFrame; + m_capture.read(captureFrame); + return std::make_shared<cv::Mat>(std::move(captureFrame)); +} + +bool CvVideoFrameReader::IsExhausted(const std::shared_ptr<cv::Mat>& frame) const +{ + assert(frame!=nullptr); + return frame->empty(); +} + +void CvVideoFrameReader::CheckIsOpen(const std::string& source) +{ + if (!m_capture.isOpened()) + { + throw std::runtime_error("Failed to open video capture for the source = " + source); + } +} + +void CvVideoFrameReader::Init(const std::string& source) +{ + m_capture.open(source); + CheckIsOpen(source); +} + +int CvVideoFrameReader::GetSourceWidth() const +{ + return static_cast<int>(lround(m_capture.get(cv::CAP_PROP_FRAME_WIDTH))); +} + +int CvVideoFrameReader::GetSourceHeight() const +{ + return static_cast<int>(lround(m_capture.get(cv::CAP_PROP_FRAME_HEIGHT))); +} + +double CvVideoFrameReader::GetSourceFps() const +{ + return m_capture.get(cv::CAP_PROP_FPS); +} + +bool CvVideoFrameReader::ConvertToRGB() +{ + m_capture.set(cv::CAP_PROP_CONVERT_RGB, 1.0); + return static_cast<bool>(m_capture.get(cv::CAP_PROP_CONVERT_RGB)); +} + +std::string CvVideoFrameReader::GetSourceEncoding() const +{ + char fourccStr[5]; + auto fourcc = (int)m_capture.get(cv::CAP_PROP_FOURCC); + sprintf(fourccStr,"%c%c%c%c",fourcc & 0xFF, (fourcc >> 8) & 0xFF, (fourcc >> 16) & 0xFF, (fourcc >> 24) & 0xFF); + return fourccStr; +} + +int CvVideoFrameReader::GetSourceEncodingInt() const +{ + return (int)m_capture.get(cv::CAP_PROP_FOURCC); +} + +int CvVideoFrameReader::GetFrameCount() const +{ + return static_cast<int>(lround(m_capture.get(cv::CAP_PROP_FRAME_COUNT))); +}; + +std::shared_ptr<cv::Mat> CvVideoFrameReaderRgbWrapper::ReadFrame() +{ + auto framePtr = m_reader->ReadFrame(); + if (!IsExhausted(framePtr)) + { + cv::cvtColor(*framePtr, *framePtr, cv::COLOR_BGR2RGB); + } + return framePtr; +} + +bool CvVideoFrameReaderRgbWrapper::IsExhausted(const std::shared_ptr<cv::Mat>& frame) const +{ + return m_reader->IsExhausted(frame); +} + +CvVideoFrameReaderRgbWrapper::CvVideoFrameReaderRgbWrapper(std::unique_ptr<common::CvVideoFrameReader> reader): + m_reader(std::move(reader)) +{} + +}// namespace common
\ No newline at end of file diff --git a/samples/common/src/CVUtils/CvWindowOutput.cpp b/samples/common/src/CVUtils/CvWindowOutput.cpp new file mode 100644 index 0000000000..190a7602e2 --- /dev/null +++ b/samples/common/src/CVUtils/CvWindowOutput.cpp @@ -0,0 +1,33 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "CvWindowOutput.hpp" + +namespace common +{ + +void CvWindowOutput::Init(const std::string& windowName) +{ + m_windowName = windowName; + cv::namedWindow(m_windowName, cv::WINDOW_AUTOSIZE); +} + +void CvWindowOutput::WriteFrame(std::shared_ptr<cv::Mat>& frame) +{ + cv::cvtColor(*frame, *frame, cv::COLOR_RGB2BGR); + cv::imshow( m_windowName, *frame); + cv::waitKey(30); +} + +void CvWindowOutput::Close() +{ + cv::destroyWindow(m_windowName); +} + +bool CvWindowOutput::IsReady() const +{ + return true; +} +}// namespace common
\ No newline at end of file diff --git a/samples/common/src/Utils/CmdArgsParser.cpp b/samples/common/src/Utils/CmdArgsParser.cpp new file mode 100644 index 0000000000..1f09826a8b --- /dev/null +++ b/samples/common/src/Utils/CmdArgsParser.cpp @@ -0,0 +1,70 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "CmdArgsParser.hpp" +#include <iostream> +/* + * Checks that a particular option was specified by the user + */ +bool CheckOptionSpecified(const std::map<std::string, std::string>& options, const std::string& option) +{ + auto it = options.find(option); + return it!=options.end(); +} + +/* + * Retrieves the user provided option + */ +std::string GetSpecifiedOption(const std::map<std::string, std::string>& options, const std::string& option) +{ + if (CheckOptionSpecified(options, option)){ + return options.at(option); + } + else + { + throw std::invalid_argument("Required option: " + option + " not defined."); + } +} + +/* + * Parses all the command line options provided by the user and stores in a map. + */ +int ParseOptions(std::map<std::string, std::string>& options, std::map<std::string, std::string>& acceptedOptions, + char *argv[], int argc) +{ + for (int i = 1; i < argc; ++i) + { + std::string currentOption = std::string(argv[i]); + auto it = acceptedOptions.find(currentOption); + if (it != acceptedOptions.end()) + { + if (i + 1 < argc && std::string(argv[i + 1]).rfind("--", 0) != 0) + { + std::string value = argv[++i]; + options.insert({it->first, value}); + } + else if (std::string(argv[i]) == "HELP") + { + std::cout << "Available options" << std::endl; + for (auto & acceptedOption : acceptedOptions) + { + std::cout << acceptedOption.first << " : " << acceptedOption.second << std::endl; + } + return 2; + } + else + { + std::cerr << std::string(argv[i]) << " option requires one argument." << std::endl; + return 1; + } + } + else + { + std::cerr << "Unrecognised option: " << std::string(argv[i]) << std::endl; + return 1; + } + } + return 0; +} |