Start working on experimental GStreamer driver, refs #57

sarxos · Apr 27, 2013 · 82cd706 · 82cd706
1 parent a7ba4d4
commit 82cd706
Show file tree

Hide file tree

Showing 5 changed files with 153 additions and 1 deletion.
diff --git a/webcam-capture-drivers/pom.xml b/webcam-capture-drivers/pom.xml
@@ -21,10 +21,11 @@
 
 	<modules>
 		<module>webcam-capture-driver-ffmpeg-cli</module>
-		<module>webcam-capture-driver-lti-civil</module>
+		<module>webcam-capture-driver-gstreamer</module>
 		<module>webcam-capture-driver-ipcam</module>
 		<module>webcam-capture-driver-javacv</module>
 		<module>webcam-capture-driver-jmf</module>
+		<module>webcam-capture-driver-lti-civil</module>
 		<module>webcam-capture-driver-openimaj</module>
 		<module>webcam-capture-driver-vlcj</module>
 	</modules>

diff --git a/webcam-capture-drivers/webcam-capture-driver-gstreamer/.classpath b/webcam-capture-drivers/webcam-capture-driver-gstreamer/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/webcam-capture-drivers/webcam-capture-driver-gstreamer/.project b/webcam-capture-drivers/webcam-capture-driver-gstreamer/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>webcam-capture-driver-gstreamer</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>
diff --git a/webcam-capture-drivers/webcam-capture-driver-gstreamer/pom.xml b/webcam-capture-drivers/webcam-capture-driver-gstreamer/pom.xml
@@ -0,0 +1,46 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>com.github.sarxos</groupId>
+		<artifactId>webcam-capture-drivers</artifactId>
+		<version>0.3.10-SNAPSHOT</version>
+	</parent>
+
+	<artifactId>webcam-capture-driver-gstreamer</artifactId>
+	<packaging>jar</packaging>
+
+	<name>Webcam Capture - GStreamer Driver</name>
+	<description>Webcam Capture driver using GStreamer framework to grab frames from camera devices</description>
+
+	<dependencies>
+		<dependency>
+			<groupId>com.github.sarxos</groupId>
+			<artifactId>webcam-capture</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.googlecode.gstreamer-java</groupId>
+			<artifactId>gstreamer-java</artifactId>
+			<version>1.5</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-deploy-plugin</artifactId>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/...driver-gstreamer/src/main/java/com/github/sarxos/webcam/ds/gstreamer/GStreamerDriver.java b/...driver-gstreamer/src/main/java/com/github/sarxos/webcam/ds/gstreamer/GStreamerDriver.java
@@ -0,0 +1,75 @@
+package com.github.sarxos.webcam.ds.gstreamer;
+
+import java.util.List;
+
+import org.gstreamer.Element;
+import org.gstreamer.ElementFactory;
+import org.gstreamer.Gst;
+import org.gstreamer.Pipeline;
+import org.gstreamer.State;
+import org.gstreamer.interfaces.PropertyProbe;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.github.sarxos.webcam.WebcamDevice;
+import com.github.sarxos.webcam.WebcamDriver;
+import com.sun.jna.NativeLibrary;
+
+
+public class GStreamerDriver implements WebcamDriver {
+
+	private static final Logger LOG = LoggerFactory.getLogger(GStreamerDriver.class);
+
+	private static final class GStreamerShutdownHook extends Thread {
+
+		public GStreamerShutdownHook() {
+			super("gstreamer-shutdown-hook");
+		}
+
+		@Override
+		public void run() {
+			Gst.deinit();
+		}
+	}
+
+	static {
+		NativeLibrary.addSearchPath("gstreamer-0.10", "C:\\Program Files\\OSSBuild\\GStreamer\\v0.10.6\\bin");
+		Gst.init(GStreamerDriver.class.getSimpleName(), new String[0]);
+		Runtime.getRuntime().addShutdownHook(new GStreamerShutdownHook());
+	}
+
+	private static final Pipeline pipe = new Pipeline(GStreamerDriver.class.getSimpleName());
+
+	@Override
+	public List<WebcamDevice> getDevices() {
+
+		Element dshowsrc = ElementFactory.make("dshowvideosrc", "source");
+		dshowsrc.setState(State.READY);
+
+		PropertyProbe probe = PropertyProbe.wrap(dshowsrc);
+		for (Object device : probe.getValues("device-name")) {
+			System.out.println(device);
+		}
+
+		dshowsrc.setState(State.NULL);
+
+		// final Element videosrc = ElementFactory.make("videotestsrc",
+		// "source");
+		// final Element videofilter = ElementFactory.make("capsfilter",
+		// "filter");
+		// videofilter.setCaps(Caps.fromString("video/x-raw-yuv, width=720, height=576"
+		// + ", bpp=32, depth=32, framerate=25/1"));
+
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public boolean isThreadSafe() {
+		return false;
+	}
+
+	public static void main(String[] args) {
+		new GStreamerDriver().getDevices();
+	}
+}