init - 初始化项目

modules/videoio/misc/plugin_gstreamer/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+
+get_filename_component(OpenCV_SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/../../../.." ABSOLUTE)
+include("${OpenCV_SOURCE_DIR}/cmake/OpenCVPluginStandalone.cmake")
+
+# scan dependencies
+set(WITH_GSTREAMER ON)
+include("${OpenCV_SOURCE_DIR}/modules/videoio/cmake/init.cmake")
+
+set(OPENCV_PLUGIN_DEPS core imgproc imgcodecs)
+ocv_create_plugin(videoio "opencv_videoio_gstreamer" "ocv.3rdparty.gstreamer" "GStreamer" "src/cap_gstreamer.cpp")
+
+message(STATUS "Using GStreamer: ${GSTREAMER_VERSION}")

modules/videoio/misc/plugin_gstreamer/Dockerfile

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+FROM ubuntu:18.04
+
+RUN apt-get update && apt-get --no-install-recommends install -y \
+        libgstreamer-plugins-base1.0-dev \
+        libgstreamer-plugins-good1.0-dev \
+        libgstreamer1.0-dev \
+        cmake \
+        g++ \
+        ninja-build \
+    && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /tmp

modules/videoio/misc/plugin_gstreamer/build.sh

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+#!/bin/bash
+
+set -e
+
+cmake -GNinja \
+    -DOPENCV_PLUGIN_NAME=opencv_videoio_gstreamer \
+    -DOPENCV_PLUGIN_DESTINATION=$1 \
+    -DCMAKE_BUILD_TYPE=$2 \
+    /opencv/modules/videoio/misc/plugin_gstreamer
+
+ninja