From e297811c19111e4696813e3c09187b9dff794ed2 Mon Sep 17 00:00:00 2001
From: George Kiagiadakis <kiagiadakis.george@gmail.com>
Date: Sun, 12 Jul 2009 19:35:10 +0300
Subject: [PATCH] Add a simple echo example, which forwards audio from the mic
 to the speakers.

---
 CMakeLists.txt               |  1 +
 examples/CMakeLists.txt      |  1 +
 examples/echo/CMakeLists.txt |  2 ++
 examples/echo/main.cpp       | 52 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+)
 create mode 100644 examples/CMakeLists.txt
 create mode 100644 examples/echo/CMakeLists.txt
 create mode 100644 examples/echo/main.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 10e948a..6a9cf43 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,3 +32,4 @@ include(${QT_USE_FILE})
 
 add_subdirectory(src)
 add_subdirectory(tests)
+add_subdirectory(examples)
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
new file mode 100644
index 0000000..de9dcfd
--- /dev/null
+++ b/examples/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(echo)
diff --git a/examples/echo/CMakeLists.txt b/examples/echo/CMakeLists.txt
new file mode 100644
index 0000000..a3bfdf0
--- /dev/null
+++ b/examples/echo/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(echo main.cpp)
+target_link_libraries(echo ${QT_QTCORE_LIBRARY} QtGstreamer)
diff --git a/examples/echo/main.cpp b/examples/echo/main.cpp
new file mode 100644
index 0000000..f91b5f0
--- /dev/null
+++ b/examples/echo/main.cpp
@@ -0,0 +1,52 @@
+/*
+    Copyright (C) 2009  George Kiagiadakis <kiagiadakis.george@gmail.com>
+
+    This library is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published
+    by the Free Software Foundation; either version 2.1 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "../../src/qgstpipeline.h"
+#include "../../src/qgstelementfactory.h"
+#include "../../src/qgstglobal.h"
+#include <QtCore/QCoreApplication>
+#include <QtCore/QFile>
+#include <signal.h>
+
+using namespace QtGstreamer;
+
+static void sighandler(int code)
+{
+    qDebug("SIGINT");
+    QCoreApplication::quit();
+}
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+    qGstInit(&argc, &argv);
+
+    QGstPipeline pipeline;
+
+    QGstElement *src = QGstElementFactory::make("autoaudiosrc");
+    QGstElement *sink = QGstElementFactory::make("autoaudiosink");
+
+    pipeline << src << sink;
+    QGstElement::link(src, sink);
+
+    pipeline.setState(QGstElement::Playing);
+
+    signal(SIGINT, sighandler);
+    int result = app.exec();
+
+    pipeline.setState(QGstElement::Null);
+    return result;
+}
-- 
2.1.4