1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
|
/*
* main.cc
*
* Created on: Aug 19, 2013
* Author: m.kolny
*/
#include <gstreamermm.h>
#include <glibmm/main.h>
#include <iostream>
using namespace Gst;
using Glib::RefPtr;
RefPtr<Element> src;
RefPtr<Element> convert;
RefPtr<Pipeline> pipeline;
RefPtr<Glib::MainLoop> main_loop;
bool on_timeout()
{
static int pattern = 0;
src->set_state(STATE_NULL);
pipeline->remove(src);
src = ElementFactory::create_element("videotestsrc");
pattern = (pattern == 0) ? 18 : 0;
src->property("pattern", pattern);
pipeline->add(src);
src->link(convert);
src->set_state(STATE_PLAYING);
return true;
}
int main(int argc, char** argv)
{
if (argc < 2)
{
std::cout << "Usage: " << argv[0] << " <avi output filename>" << std::endl;
return 1;
}
init(argc, argv);
main_loop = Glib::MainLoop::create();
pipeline = Pipeline::create("effects-pipeline");
if (!pipeline)
{
std::cout << "Cannot create pipeline element." << std::endl;
return 1;
}
RefPtr<Element> queue1 = ElementFactory::create_element("queue"),
queue2 = ElementFactory::create_element("queue"),
tee = ElementFactory::create_element("tee"),
autosink = ElementFactory::create_element("autovideosink"),
sink = ElementFactory::create_element("filesink"),
muxer = ElementFactory::create_element("avimux");
src = ElementFactory::create_element("videotestsrc");
src->property<int>("num-buffers", 100);
sink->property<Glib::ustring>("location", argv[1]);
convert = ElementFactory::create_element("videoconvert");
if (!queue1 || !queue2 || !tee || !autosink ||
!sink || !muxer || !src || !sink || !convert)
{
std::cout << "Cannot create one of the elements." << std::endl;
return 1;
}
try
{
pipeline->add(src)->add(convert)->add(tee)->add(queue1)
->add(autosink)->add(queue2)->add(muxer)->add(sink);
src->link(convert)->link(tee)->link(queue1)->link(autosink);
tee->link(queue2)->link(muxer)->link(sink);
}
catch (const std::exception& ex)
{
std::cout << "Exception occured during preparing pipeline. Message: " << ex.what() << std::endl;
return 1;
}
pipeline->set_state(STATE_PLAYING);
Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 2000);
main_loop->run();
pipeline->set_state(STATE_NULL);
return 0;
}
|