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/*-
* Copyright (c) 1993-1994 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 University of
* California, Berkeley and the Network Research Group at
* Lawrence Berkeley 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.
*/
static const char rcsid[] =
"@(#) $Header: /cs/research/mice/starship/src/local/CVS_repository/vic/decoder-raw.cc,v 1.1 1998/11/17 13:27:51 ucackha Exp $ (LBL)";
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "inet.h"
#include "rtp.h"
#include "decoder.h"
#include "bsd-endian.h"
#include "Tcl.h"
#include "renderer.h"
#include "decoder-jpeg.h"
class RawDecoder : public Decoder {
public:
RawDecoder();
virtual ~RawDecoder();
int colorhist(u_int* hist) const;
virtual void stats(char* wrk);
protected:
virtual void recv(const struct rtphdr*, const u_char* data, int len);
virtual void redraw();
int inq_; /* input quantization */
int type_; /* JPEG/RTP parameters type code */
JpegReassembler reasm_;
};
static class RawDecoderMatcher : public Matcher {
public:
RawDecoderMatcher() : Matcher("decoder") {}
TclObject* match(const char* id) {
if (strcasecmp(id, "raw") == 0)
return (new RawDecoder());
else
return (0);
}
} swd_raw_;
RawDecoder::RawDecoder()
: Decoder(sizeof(jpeghdr))
{
inw_ = 352;
inh_ = 288;
resize(inw_, inh_);
inq_ = 0;
/* guess type 0 */
type_ = 0;
decimation_ = 422;
stat_[STAT_BADOFF].name = "Bad-Offset";
stat_[STAT_HUGEFRM].name = "Huge-Frame";
nstat_ = 2;
}
RawDecoder::~RawDecoder()
{
}
void RawDecoder::stats(char* wrk)
{
/* pull stats out of reassembler */
setstat(STAT_BADOFF, reasm_.badoff());
setstat(STAT_HUGEFRM, reasm_.hugefrm());
Decoder::stats(wrk);
}
int RawDecoder::colorhist(u_int* hist) const
{
return 1;
}
void RawDecoder::recv(const rtphdr* rh, const u_char* bp, int cc)
{
/* using jpeg header */
const jpeghdr* p = (const jpeghdr*)(rh + 1);
int inw = p->width << 3;
int inh = p->height << 3;
if (inw_ != inw || inh_ != inh) {
resize(inw, inh);
}
/* use jpeg reassembler to reassemble packets */
bp = reasm_.reassemble(rh, bp, cc);
/* update whole frame now */
memset(rvts_, now_, nblk_);
if (bp != 0) {
render_frame(bp);
}
}
void RawDecoder::redraw()
{
}
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