C++ eWarning函数代码示例

gSDLDC::gSDLDC()
{
	if (SDL_Init(SDL_INIT_VIDEO) < 0)
	{
		eWarning("Could not initialize SDL: %s", SDL_GetError());
		return;
	}
	
	m_screen = SDL_SetVideoMode(720, 576, 32, SDL_HWSURFACE);
	if (!m_screen)
	{
		eWarning("Could not create SDL surface: %s", SDL_GetError());
		return;
	}

	m_instance=this;
	
	m_surface.type = 0;
	m_surface.x = m_screen->w;
	m_surface.y = m_screen->h;
	m_surface.bpp = m_screen->format->BitsPerPixel;
	m_surface.bypp = m_screen->format->BytesPerPixel;
	m_surface.stride = m_screen->pitch;
	m_surface.data = m_screen->pixels;
	m_surface.clut.colors=256;
	m_surface.clut.data=new gRGB[m_surface.clut.colors];
	
	m_pixmap = new gPixmap(&m_surface);
	
	memset(m_surface.clut.data, 0, sizeof(*m_surface.clut.data)*m_surface.clut.colors);
}

RESULT eServiceXine::start()
{
	if (m_state == stError)
		return -1;

	ASSERT(m_state == stIdle);
	ASSERT(stream);

	if (!xine_open(stream, m_filename.c_str()))
	{
		eWarning("xine_open failed!");
		return -1;
	}

	if (!xine_play(stream, 0, 0))
	{
		eWarning("xine_play failed!");
		return -1;
	}

	m_state = stRunning;

	m_event(this, evStart);
	return 0;
}

void eDVBPESReader::data(int)
{
	while (1)
	{
		uint8_t buffer[16384];
		int r;
		r = ::read(m_fd, buffer, 16384);
		if (!r)
			return;
		if(r < 0)
		{
			if (errno == EAGAIN || errno == EINTR) /* ok */
				return;
			eWarning("ERROR reading PES (fd=%d) - %m", m_fd);
			return;
		}

		if (m_active)
			m_read(buffer, r);
		else
			eWarning("PES reader not active");
		if (r != 16384)
			break;
	}
}

eServiceXine::eServiceXine(const char *filename): m_filename(filename), m_pump(eApp, 1)
{
	m_state = stError;
	stream = 0;
	event_queue = 0;
	ao_port = 0;
	vo_port = 0;


//	if ((vo_port = xine_open_video_driver(xine, "fb", XINE_VISUAL_TYPE_FB, NULL)) == NULL)
	if ((vo_port = xine_open_video_driver(xine, "none", XINE_VISUAL_TYPE_NONE, NULL)) == NULL)
	{
		eWarning("cannot open xine video driver");
	}

	if ((ao_port = xine_open_audio_driver(xine , "alsa", NULL)) == NULL)
	{
		eWarning("cannot open xine audio driver");
	}
	stream = xine_stream_new(xine, ao_port, vo_port);
	event_queue = xine_event_new_queue(stream);
	xine_event_create_listener_thread(event_queue, eventListenerWrap, this);

//	CONNECT(m_pump.recv_msg, eServiceXine::gstPoll);
	m_state = stIdle;
}

	eXine()
	{
			/* this should be done once. */

		if(!xine_check_version(1, 1, 0))
		{
			int major, minor, sub;
			xine_get_version (&major, &minor, &sub);
			eWarning("Require xine library version 1.1.0, found %d.%d.%d.\n",
						major, minor,sub);
			return;
		} else {
			int major, minor, sub;
			eDebug("Built with xine library %d.%d.%d (%s)\n",
						 XINE_MAJOR_VERSION, XINE_MINOR_VERSION, XINE_SUB_VERSION, XINE_VERSION);

			xine_get_version (&major, &minor, &sub);

			eDebug("Found xine library version: %d.%d.%d (%s).\n",
						 major, minor, sub, xine_get_version_string());
		}

		xine = xine_new();
		xine_engine_set_param(xine, XINE_ENGINE_PARAM_VERBOSITY, 1);
		xine_init(xine);
	}

RESULT eDVBPESReader::start(int pid)
{
	RESULT res;
	if (m_fd < 0)
		return -ENODEV;

	m_notifier->start();

#if HAVE_DVB_API_VERSION < 3
	dmxPesFilterParams flt;
	
	flt.pesType = DMX_PES_OTHER;
#else
	dmx_pes_filter_params flt;
	
	flt.pes_type = DMX_PES_OTHER;
#endif

	flt.pid     = pid;
	flt.input   = DMX_IN_FRONTEND;
	flt.output  = DMX_OUT_TAP;
	
	flt.flags   = DMX_IMMEDIATE_START;

	res = ::ioctl(m_fd, DMX_SET_PES_FILTER, &flt);
	
	if (res)
		eWarning("PES filter: DMX_SET_PES_FILTER - %m");
	if (!res)
		m_active = 1;
	return res;
}

void eDVBSectionReader::data(int)
{
	__u8 data[4096]; // max. section size
	int r;
	r = ::read(fd, data, 4096);
#if FUZZING
	int j;
	for (j = 0; j < r; ++j)
	{
		if (!(rand()%FUZZING_PROPABILITY))
			data[j] ^= rand();
	}
#endif	
	if(r < 0)
	{
		eWarning("ERROR reading section - %m\n");
		return;
	}
	if (checkcrc)
	{
			// this check should never happen unless the driver is crappy!
		unsigned int c;
		if ((c = crc32((unsigned)-1, data, r)))
		{
			eDebug("crc32 failed! is %x\n", c);
			return;
		}
	}
	if (active)
		read(data);
	else
		eDebug("data.. but not active");
}

void eWidgetDesktop::makeCompatiblePixmap(gPixmap &pm)
{
	if (m_comp_mode != cmImmediate)
		return;

//	eDebug("[widgetDesktop] make compatible pixmap of %p", &pm);
	if (!m_screen.m_dc)
	{
		eWarning("[eWidgetDesktop] no DC to make pixmap compatible with!");
		return;
	}

	ePtr<gPixmap> target_pixmap;
	m_screen.m_dc->getPixmap(target_pixmap);

	if (!target_pixmap) {
		eDebug("[eWidgetDesktop] no target pixmap! assuming bpp > 8 for accelerated graphics.");
		return;
	}

	if (target_pixmap->surface && target_pixmap->surface->bpp > 8)
		return;

	ePtr<gDC> pixmap_dc = new gDC(&pm);
	gPainter pixmap_painter(pixmap_dc);

	pixmap_painter.mergePalette(target_pixmap);
}

static void avahi_client_callback(AvahiClient *client, AvahiClientState state, void *d)
{
	eDebug("[Avahi] client state: %d", state);
	switch(state)
	{
		case AVAHI_CLIENT_S_RUNNING:
			/* The server has startup successfully and registered its host
			 * name on the network, register all our services */
			avahi_client_try_register_all();
			break;
		case AVAHI_CLIENT_FAILURE:
			/* Problem? Maybe we have to re-register everything? */
			eWarning("[Avahi] Client failure: %s\n", avahi_strerror(avahi_client_errno(client)));
			break;
		case AVAHI_CLIENT_S_COLLISION:
			/* Let's drop our registered services. When the server is back
			 * in AVAHI_SERVER_RUNNING state we will register them
			 * again with the new host name. */
		case AVAHI_CLIENT_S_REGISTERING:
			/* The server records are now being established. This
			 * might be caused by a host name change. We need to wait
			 * for our own records to register until the host name is
			 * properly esatblished. */
			avahi_client_reset_all();
			break;
		case AVAHI_CLIENT_CONNECTING:
			/* No action... */
			break;
	}
}

RESULT eDVBPESReader::start(int pid)
{
	RESULT res;
	if (m_fd < 0)
		return -ENODEV;

	m_notifier->start();

	dmx_pes_filter_params flt;
	memset(&flt, 0, sizeof(flt));

	flt.pes_type = DMX_PES_OTHER;
	flt.pid     = pid;
	flt.input   = DMX_IN_FRONTEND;
	flt.output  = DMX_OUT_TAP;

	flt.flags   = DMX_IMMEDIATE_START;

	res = ::ioctl(m_fd, DMX_SET_PES_FILTER, &flt);

	if (res)
		eWarning("PES filter: DMX_SET_PES_FILTER - %m");
	if (!res)
		m_active = 1;
	return res;
}

void gPixmap::fill(const gRegion &region, const gRGB &color)
{
	unsigned int i;
	for (i=0; i<region.rects.size(); ++i)
	{
		const eRect &area = region.rects[i];
		if ((area.height()<=0) || (area.width()<=0))
			continue;

		if (surface->bpp == 32)
		{
			__u32 col;

			col = color.argb();
#if defined(__sh__) 
if((col&0xFF000000) == 0xFF000000)
col = 0xFF000000;
#endif
			col^=0xFF000000;

			if (surface->data_phys && gAccel::getInstance())
				if (!gAccel::getInstance()->fill(surface,  area, col))
					continue;

			for (int y=area.top(); y<area.bottom(); y++)
			{
				__u32 *dst=(__u32*)(((__u8*)surface->data)+y*surface->stride+area.left()*surface->bypp);
				int x=area.width();
				while (x--)
					*dst++=col;
			}
		}	else
			eWarning("couldn't rgbfill %d bpp", surface->bpp);
	}
}

void eDVBSectionReader::data(int)
{
	uint8_t data[4096]; // max. section size
	int r;
	r = ::read(fd, data, 4096);
	if(r < 0)
	{
		eWarning("ERROR reading section - %m\n");
		return;
	}
	if (checkcrc)
	{
		// this check should never happen unless the driver is crappy!
		unsigned int c;
		if ((c = crc32((unsigned)-1, data, r)))
		{
			//eDebug("[eDVBSectionReader] section crc32 failed! is %x\n", c);
			return;
		}
	}
	if (active)
		read(data);
	else
		eDebug("data.. but not active");
}

RESULT eDVBPESReader::start(int pid)
{
	RESULT res;
	if (m_fd < 0)
		return -ENODEV;

	eDebug("[eDVBPESReader] DMX_SET_PES_FILTER pid=%04x", pid);
	m_notifier->start();

	dmx_pes_filter_params flt;
	flt.pes_type = DMX_PES_OTHER;
	flt.pid     = pid;
	flt.input   = DMX_IN_FRONTEND;
	flt.output  = DMX_OUT_TAP;

	flt.flags   = DMX_IMMEDIATE_START;

	res = ::ioctl(m_fd, DMX_SET_PES_FILTER, &flt);

	if (res)
		eWarning("[eDVBPESReader] DMX_SET_PES_FILTER pid=%04x:  %m", pid);
	if (!res)
		m_active = 1;
	return res;
}

void eWidgetDesktop::makeCompatiblePixmap(gPixmap &pm)
{
	if (m_comp_mode != cmImmediate)
		return;
	
//	eDebug("widgetDesktop: make compatible pixmap of %p", &pm);
	if (!m_screen.m_dc)
	{
		eWarning("eWidgetDesktop: no DC to make pixmap compatible with!");
		return;
	}

	ePtr<gPixmap> target_pixmap;
	m_screen.m_dc->getPixmap(target_pixmap);
	
	ASSERT(target_pixmap);
	
	if (target_pixmap->surface && target_pixmap->surface->bpp > 8)
		return;

	ePtr<gDC> pixmap_dc = new gDC(&pm);
	gPainter pixmap_painter(pixmap_dc);
	
	pixmap_painter.mergePalette(target_pixmap);
}

static void peer_remove(const char *name)
{
	eWarning("REMOVE Peer %s", name);
	PeerMapping::iterator it = peers.find(std::string(name));
	if (it != peers.end())
		peers.erase(it);
}