1 # jpeg-empty.tcl --
2 #
3 # FIXME: This file needs a description here.
4 #
5 # Copyright (c) 1998-2002 The Regents of the University of California.
6 # All rights reserved.
7 #
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions are met:
10 #
11 # A. Redistributions of source code must retain the above copyright notice,
12 # this list of conditions and the following disclaimer.
13 # B. Redistributions in binary form must reproduce the above copyright notice,
14 # this list of conditions and the following disclaimer in the documentation
15 # and/or other materials provided with the distribution.
16 # C. Neither the names of the copyright holders nor the names of its
17 # contributors may be used to endorse or promote products derived from this
18 # software without specific prior written permission.
19 #
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 import DaliSubprogram
32
33 Class EmptyJPEGSubprogram -superclass DaliSubprogram
34
35 EmptyJPEGSubprogram instproc init {args} {
36 eval $self next $args;
37
38 # Set up inputs
39
40 $self instvar input_id_list_;
41 $self instvar input_info_;
42
43 lappend input_id_list_ i1
44
45 set input_info_(i1,spec) "";
46 set input_info_(i1,trigger) 0;
47 set input_info_(i1,buffertype) Uncompressed;
48 set input_info_(i1,buffername) [new VidRep/Uncompressed];
49 set input_info_(i1,decoder) "";
50
51 # Set up outputs
52
53 $self instvar output_id_list_;
54 $self instvar output_info_;
55
56 lappend output_id_list_ o1;
57
58 set output_info_(o1,spec) "";
59 set output_info_(o1,buffertype) Uncompressed;
60 set output_info_(o1,buffername) [new VidRep/Uncompressed];
61 set output_info_(o1,encoder) "";
62 set output_info_(o1,format) JPEG;
63 set output_info_(o1,vagent) "";
64
65 # Set up parameters
66
67 $self instvar parameter_id_list_;
68 $self instvar parameter_info_;
69
70 set parameter_id_list_ "";
71 }
72
73 EmptyJPEGSubprogram instproc trigger {} {
74 $self instvar input_info_;
75 $self instvar output_info_;
76 $self instvar init_done_;
77
78 set in_frame $input_info_(i1,buffername);
79 set out_frame $output_info_(o1,buffername);
80
81 if {![info exists init_done_]} {
82 if {[$in_frame set w_] == 0} {
83 return;
84 }
85 $out_frame copy_geometry $in_frame;
86 $out_frame allocate;
87 set init_done_ 1;
88 }
89
90 set encoder $output_info_(o1,encoder);
91
92 if {$encoder != ""} {
93 $encoder recv $in_frame;
94 }
95 $self send_completion_token;
96 }
97
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.