1 /*
2 * decoder-h261.h --
3 *
4 * Header file for H.261 Video Decoder object
5 *
6 * Copyright (c) 1993-2002 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 * A. Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 * B. Redistributions in binary form must reproduce the above copyright notice,
15 * this list of conditions and the following disclaimer in the documentation
16 * and/or other materials provided with the distribution.
17 * C. Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or promote products derived from this
19 * software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
22 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /* @(#) $Header: /usr/mash/src/repository/mash/mash-1/codec/decoder-h261.h,v 1.6 2003/11/19 19:20:17 aswan Exp $ */
35
36 #include "codec/decoder.h"
37
38 class pktbuf;
39 class P64Decoder;
40
41 class H261Decoder : public Decoder {
42 public:
43 H261Decoder();
44 virtual ~H261Decoder();
45 virtual void info(char* wrk) const;
46 virtual void recv(pktbuf*);
47 int colorhist(u_int* hist) const;
48 virtual void stats(char* wrk);
49 protected:
50 void decode(const u_char* vh, const u_char* bp, int cc);
51 virtual void redraw();
52 P64Decoder* codec_;
53 int h261_rtp_bug_;
54 };
55
56
57
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