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Add cpp sample deep-player
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‎samples/cpp/deep-player/.gitignore‎

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# Prerequisites
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*.d
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build/*
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# Compiled Object files
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*.slo
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*.lo
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*.o
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*.obj
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# Precompiled Headers
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*.gch
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*.pch
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# Compiled Dynamic libraries
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*.so
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*.dylib
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*.dll
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# Fortran module files
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*.mod
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*.smod
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# Compiled Static libraries
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*.lai
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*.la
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*.a
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*.lib
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# Executables
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*.exe
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*.out
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*.app

‎samples/cpp/deep-player/CMakeLists.txt‎

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#*******************************************************************************
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# Copyright (C) 2018-2019 Intel Corporation
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#
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# SPDX-License-Identifier: MIT
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#*******************************************************************************
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cmake_minimum_required (VERSION 3.11)
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include(GNUInstallDirs)
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if(NOT DEFINED PROJECT_NAME)
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set(NOT_SUBPROJECT ON)
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endif()
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project(DeepPlayer LANGUAGES CXX VERSION 0.0.1)
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set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
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set(FFMPEG_PKG_CONFIG_SUFFIX "" CACHE STRING "This suffix uses for FFmpeg component names searches by pkg-config")
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SET(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g -ggdb")
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include_directories(.)
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####################################
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## to use C++11
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED yes)
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####################################
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# -pthread sets also some useful compile-time flags
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads)
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find_package(FFmpeg
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COMPONENTS AVCODEC AVFORMAT AVUTIL AVDEVICE AVFILTER SWSCALE SWRESAMPLE REQUIRED)
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#NEW include_directories(${FFMPEG_INCLUDE_DIRS})
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# OpenCV
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find_package(OpenCV)
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include_directories(${OpenCV_INCLUDE_DIRS})
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if(OpenCV_FOUND)
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add_definitions(-DUSE_OPENCV)
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endif()
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add_subdirectory(src)
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add_subdirectory(sample)

‎samples/cpp/deep-player/README.md‎

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# deep-player
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* This is a sample to use ffmpeg API based on the libraries with DNN based analytics plugins.
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It can support VAAPI based hardware decoder and Software decoder, 3 filter graphs at most.
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The analytics metadata can be overlayed on top of the video.
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* To try this sample, please install below dependencies:
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- install OpenCV and some other dependencies by script `install_dependencies.sh`
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- install ffmpeg with video analytics plugin as shared libraries
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* After install dependencies, you can build it:
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```sh
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mkdir -p build && cd build
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cmake .. && make -j`nproc`
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```
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* Here is one example to use the deep_play sample:
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```sh
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MODEL1="face-detection-adas-0001.xml"
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MODEL2="emotions-recognition-retail-0003.xml"
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MODEL3="age-gender-recognition-retail-0013.xml"
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MODEL1_PROC="face-detection-adas-0001.json"
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MODEL2_PROC="emotions-recognition-retail-0003.json"
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MODEL3_PROC="age-gender-recognition-retail-0013.json"
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./sample/deep_play -input ~/workspace/tests/0.h264 \
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-filter0_desc "detect=model=$MODEL1:model_proc=$MODEL1_PROC:device=CPU:nireq=4" \
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-filter1_desc "classify=model=$MODEL2:model_proc=$MODEL2_PROC:device=CPU:nireq=2" \
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-filter2_desc "classify=model=$MODEL3:model_proc=$MODEL3_PROC:device=CPU:nireq=2" \
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-queue_filter=6 -extra_hw_frames=64\
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-decode_dev="vaapi" -debug_log=false -no_show=false
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```
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Press `ESC` to stop the playback.
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* Detailed usage:
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```sh
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./sample/deep_play -h
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deep_play [OPTION]
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Options:
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-h Print a usage message
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-input "<path>" Required. Path to a video file
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-decode_dev Optional. Hardware device name of video decoder: e.g vaapi
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-extra_hw_frames Optional. Allocate more hw frames for the pipeline
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-no_show Optional. Do not show processed video.
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-filter0_desc Required. First filter description.
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-filter1_desc Optional. Appended filters description.
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-filter2_desc Optional. Appended filters description.
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-fps Optional. Maximum FPS for playing video
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-queue_pkt Required. Set output packet queue size of demuxer
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-queue_dec Required. Set queue size of decoer output
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-queue_filter Required. Set queue size of filter output
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```

‎samples/cpp/deep-player/cmake/FindFFmpeg.cmake‎

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#.rst:
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# FindFFmpeg
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# ----------
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#
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# Try to find the required ffmpeg components (default: AVFORMAT, AVUTIL, AVCODEC)
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#
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# Next variables can be used to hint FFmpeg libs search:
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#
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# ::
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#
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# PC_<component>_LIBRARY_DIRS
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# PC_FFMPEG_LIBRARY_DIRS
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# PC_<component>_INCLUDE_DIRS
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# PC_FFMPEG_INCLUDE_DIRS
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#
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# Once done this will define
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#
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# ::
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#
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# FFMPEG_FOUND - System has the all required components.
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# FFMPEG_INCLUDE_DIRS - Include directory necessary for using the required components headers.
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# FFMPEG_LIBRARIES - Link these to use the required ffmpeg components.
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# FFMPEG_DEFINITIONS - Compiler switches required for using the required ffmpeg components.
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#
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# For each of the components it will additionally set.
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#
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# ::
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#
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# AVCODEC
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# AVDEVICE
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# AVFORMAT
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# AVFILTER
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# AVUTIL
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# POSTPROC
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# SWSCALE
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#
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# the following variables will be defined
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#
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# ::
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#
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# <component>_FOUND - System has <component>
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# <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
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# <component>_LIBRARIES - Link these to use <component>
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# <component>_DEFINITIONS - Compiler switches required for using <component>
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# <component>_VERSION - The components version
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#
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# the following import targets is created
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#
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# ::
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#
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# FFmpeg::FFmpeg - for all components
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# FFmpeg::<component> - where <component> in lower case (FFmpeg::avcodec) for each components
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#
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# Copyright (c) 2006, Matthias Kretz, <[email protected]>
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# Copyright (c) 2008, Alexander Neundorf, <[email protected]>
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# Copyright (c) 2011, Michael Jansen, <[email protected]>
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# Copyright (c) 2017, Alexander Drozdov, <[email protected]>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include(FindPackageHandleStandardArgs)
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# The default components were taken from a survey over other FindFFMPEG.cmake files
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if (NOT FFmpeg_FIND_COMPONENTS)
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set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
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endif ()
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#
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### Macro: set_component_found
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#
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# Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present.
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#
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macro(set_component_found _component )
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if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS)
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# message(STATUS " - ${_component} found.")
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set(${_component}_FOUND TRUE)
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else ()
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# message(STATUS " - ${_component} not found.")
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endif ()
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endmacro()
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#
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### Macro: find_component
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#
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# Checks for the given component by invoking pkgconfig and then looking up the libraries and
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# include directories.
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#
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macro(find_component _component _pkgconfig _library _header)
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#if (NOT WIN32)
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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find_package(PkgConfig)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(PC_${_component} REQUIRED ${_pkgconfig})
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endif ()
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#endif (NOT WIN32)
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find_path(${_component}_INCLUDE_DIRS ${_header}
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HINTS
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${PC_${_component}_INCLUDEDIR}
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${PC_${_component}_INCLUDE_DIRS}
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${PC_FFMPEG_INCLUDE_DIRS}
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PATH_SUFFIXES
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ffmpeg
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)
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find_library(${_component}_LIBRARIES NAMES ${PC_${_component}_LIBRARIES} ${_library}
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HINTS
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${PC_${_component}_LIBDIR}
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${PC_${_component}_LIBRARY_DIRS}
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${PC_FFMPEG_LIBRARY_DIRS}
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)
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#message(STATUS ${${_component}_LIBRARIES})
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#message(STATUS ${PC_${_component}_LIBRARIES})
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set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
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set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
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set_component_found(${_component})
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mark_as_advanced(
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${_component}_INCLUDE_DIRS
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${_component}_LIBRARIES
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${_component}_DEFINITIONS
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${_component}_VERSION)
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endmacro()
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# Check for cached results. If there are skip the costly part.
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if (NOT FFMPEG_LIBRARIES)
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# Check for all possible component.
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find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h)
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find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
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find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
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find_component(AVUTIL libavutil avutil libavutil/avutil.h)
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find_component(AVFILTER libavfilter avfilter libavfilter/avfilter.h)
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find_component(SWSCALE libswscale swscale libswscale/swscale.h)
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find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h)
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find_component(SWRESAMPLE libswresample swresample libswresample/swresample.h)
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# Check if the required components were found and add their stuff to the FFMPEG_* vars.
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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if (${_component}_FOUND)
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# message(STATUS "Required component ${_component} present.")
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES})
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
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list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
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string(TOLOWER ${_component} _lowerComponent)
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if (NOT TARGET FFmpeg::${_lowerComponent})
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add_library(FFmpeg::${_lowerComponent} INTERFACE IMPORTED)
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set_target_properties(FFmpeg::${_lowerComponent} PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${${_component}_DEFINITIONS}"
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INTERFACE_INCLUDE_DIRECTORIES ${${_component}_INCLUDE_DIRS}
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INTERFACE_LINK_LIBRARIES "${${_component}_LIBRARIES}")
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endif()
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else ()
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# message(STATUS "Required component ${_component} missing.")
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endif ()
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endforeach ()
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# Build the include path with duplicates removed.
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if (FFMPEG_INCLUDE_DIRS)
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list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
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endif ()
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# cache the vars.
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set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE)
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mark_as_advanced(FFMPEG_INCLUDE_DIRS
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FFMPEG_LIBRARIES
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FFMPEG_DEFINITIONS)
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endif ()
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if (NOT TARGET FFmpeg::FFmpeg)
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add_library(FFmpeg::FFmpeg INTERFACE IMPORTED)
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set_target_properties(FFmpeg::FFmpeg PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${FFMPEG_DEFINITIONS}"
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INTERFACE_INCLUDE_DIRECTORIES ${FFMPEG_INCLUDE_DIRS}
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INTERFACE_LINK_LIBRARIES "${FFMPEG_LIBRARIES}")
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endif()
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# Now set the noncached _FOUND vars for the components.
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foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
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set_component_found(${_component})
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endforeach ()
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# Compile the list of required vars
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set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS)
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endforeach ()
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# Give a nice error message if some of the required vars are missing.
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find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})

‎samples/cpp/deep-player/install_dependencies.sh‎

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#!/bin/bash
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sudo apt-get install --no-install-recommends libboost-all-dev
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CURDIR=$PWD
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GLOG_REPO=https://github.com/google/glog.git
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GFLAGS_REPO=https://github.com/gflags/gflags.git
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git clone $GLOG_REPO third-party/glog
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git clone $GFLAGS_REPO third-party/gflags
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cd $CURDIR/third-party/glog && git checkout v0.4.0 && git pull origin v0.4.0
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mkdir -p build && cd build
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cmake -DBUILD_SHARED_LIBS=ON ..
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make -j`nproc`
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sudo make install
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cd $CURDIR/third-party/gflags && git checkout v2.2.2 && git pull origin v2.2.2
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mkdir -p build && cd build
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cmake -DBUILD_SHARED_LIBS=ON ..
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make -j`nproc`
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sudo make install
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cd $CURDIR

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