/*
 * Copyright (c) 1995 The Regents of the University of California.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 * 	This product includes software developed by the Network Research
 * 	Group at Lawrence Berkeley National Laboratory.
 * 4. Neither the name of the University nor of the Laboratory may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static const char rcsid[] =
    "@(#) $Header$ (LBL)";
#endif
#include "module.h"

const char* Module::fttoa(int ft)
{
	switch (ft) {
	case FT_YUV_420:  return ("420");
	case FT_YUV_422:  return ("422");
	case FT_YUV_CIF:  return ("cif");
	case FT_JPEG:	  return ("jpeg");
	case FT_H261:	  return ("h261");
	case FT_CELLB:	  return ("cellb");
	case FT_DCT:	  return ("dct");
	case FT_RAW:	  return ("raw");
	case FT_LDCT:	  return ("ldct");
	case FT_PVH:	  return ("pvh");
	}
	return ("");
}

int Module::atoft(const char* s)
{
	if (strcasecmp(s, "420") == 0)
		return FT_YUV_420;
	if (strcasecmp(s, "422") == 0)
		return FT_YUV_422;
	if (strcasecmp(s, "cif") == 0)
		return FT_YUV_CIF;
	if (strcasecmp(s, "jpeg") == 0)
		return FT_JPEG;
	if (strcasecmp(s, "h261") == 0)
		return FT_H261;
	if (strcasecmp(s, "cellb") == 0)
		return FT_CELLB;
	if (strcasecmp(s, "dct") == 0)
		return FT_DCT;
	if (strcasecmp(s, "raw") == 0)
		return FT_RAW;
	if (strcasecmp(s, "ldct") == 0)
		return FT_LDCT;
	if (strcasecmp(s, "pvh") == 0)
		return FT_PVH;
	return (-1);
}

//SV-XXX: rearranged the initalisation order to shut up gcc4
Module::Module(int ft)
	: target_(0), width_(0), 
	  height_(0), framesize_(0), ft_(ft)
{
}

int Module::command(int argc, const char*const* argv)
{
	Tcl& tcl = Tcl::instance();
	if (argc == 2) {
		if (strcmp(argv[1], "frame-format") == 0) {
			tcl.result(fttoa(ft_));
			return (TCL_OK);
		}
	} else if (argc == 3) {
		if (strcmp(argv[1], "target") == 0) {
			target_ = (Module*)TclObject::lookup(argv[2]);
			return (TCL_OK);
		}
	}
	return (TclObject::command(argc, argv));
}

TransmitterModule::TransmitterModule(int ft) : Module(ft)
{
	pool_ = new RTP_BufferPool;
}

TransmitterModule::~TransmitterModule()
{
	delete pool_;
}

int TransmitterModule::command(int argc, const char*const* argv)
{
	//SV-XXX: unused: Tcl& tcl = Tcl::instance();
	if (argc == 3) {
		if (strcmp(argv[1], "transmitter") == 0) {
			tx_ = (Transmitter*)TclObject::lookup(argv[2]);
			return (TCL_OK);
		}
		if (strcmp(argv[1], "loop_layer") == 0) {
			tx_->loop_layer(atoi(argv[2]));
			return (TCL_OK);
		}
	}
	return (Module::command(argc, argv));
}

