Exemplos de gst_slsound_init_class em C++ (Cpp)

Exemplo n.º 1

///////////////////////////////////////////////////////////////////////////////
// (static) super-initialization - called once at application startup
bool
LLMediaImplGStreamer::
startup ( LLMediaManagerData* init_data )
{
	static bool done_init = false;
	if (!done_init)
	{
		// Init the glib type system - we need it.
		g_type_init();

		// Get symbols!
		if (! grab_gst_syms("libgstreamer-0.10.so.0",
				    "libgstvideo-0.10.so.0",
				    "libgstaudio-0.10.so.0") )
		{
			WARNMSG("Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled.");
			return false;
		}

		if (llgst_segtrap_set_enabled)
			llgst_segtrap_set_enabled(FALSE);
		else
			WARNMSG("gst_segtrap_set_enabled() is not available; Automated crash-reporter may cease to function until next restart.");

		// Protect against GStreamer resetting the locale, yuck.
		static std::string saved_locale;
		saved_locale = setlocale(LC_ALL, NULL);
		if (0 == llgst_init_check(NULL, NULL, NULL))
		{
			WARNMSG("GST init failed for unspecified reason.");
			setlocale(LC_ALL, saved_locale.c_str() );
			return false;
		}
		setlocale(LC_ALL, saved_locale.c_str() );
		
		// Init our custom plugins - only really need do this once.
		gst_slvideo_init_class();
#if 0
		gst_slsound_init_class();
#endif

		done_init = true;
	}

	return true;
}

Exemplo n.º 2

Arquivo: llmediaimplgstreamer.cpp Projeto: Boy/netbook

BOOL
LLMediaImplGStreamer::
init ()
{
	static bool done_init = false;
	if (!done_init)
	{
		// Init the glib type system - we need it.
		g_type_init();

		// Get symbols!
		if (! grab_gst_syms("libgstreamer-0.10.so.0",
				    "libgstvideo-0.10.so.0",
				    "libgstaudio-0.10.so.0") )
		{
			llwarns << "Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled." << llendl;
			return FALSE;
		}

		if (llgst_segtrap_set_enabled)
			llgst_segtrap_set_enabled(FALSE);
		else
			llwarns << "gst_segtrap_set_enabled() is not available; Second Life automated crash-reporter may cease to function until next restart." << llendl;

		if (0 == llgst_init_check(NULL, NULL, NULL))
		{
			llwarns << "GST init failed for unspecified reason." << llendl;
			return FALSE;
		}
		
		// Init our custom plugins - only really need do this once.
		gst_slvideo_init_class();
#if 0
		gst_slsound_init_class();
#endif

		done_init = true;
	}

	mVolume = 0.1234567; // minor hack to force an initial volume update

	// Create a pumpable main-loop for this media
	mPump = g_main_loop_new (NULL, FALSE);
	if (!mPump)
	{
		return FALSE;
	}

	// instantiate a playbin element to do the hard work
	mPlaybin = llgst_element_factory_make ("playbin", "play");
	if (!mPlaybin)
	{
		// todo: cleanup pump
		return FALSE;
	}

	if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
		// instantiate and connect a custom video sink
		mVideoSink =
			GST_SLVIDEO(llgst_element_factory_make ("private-slvideo", "slvideo"));
		if (!mVideoSink)
		{
			llwarns << "Could not instantiate private-slvideo element."
				<< llendl;
			// todo: cleanup.
			return FALSE;
		}

		g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);

#ifdef LL_GST_SOUNDSINK
		// instantiate and connect a custom audio sink
		mAudioSink =
			GST_SLSOUND(llgst_element_factory_make ("private-slsound", "slsound"));
		if (!mAudioSink)
		{
			llwarns << "Could not instantiate private-slsound element."
				<< llendl;
			// todo: cleanup.
			return FALSE;
		}

		g_object_set(mPlaybin, "audio-sink", mAudioSink, NULL);
#endif
	}

	return LLMediaMovieBase::init();
}