1 # sc-to-byte.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 SCToByteTestSubprogram -superclass DaliSubprogram
34
35 SCToByteTestSubprogram 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) Semicompressed;
48 set input_info_(i1,buffername) [new VidRep/Semicompressed];
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 SCToByteTestSubprogram 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 $in_frame;
86 if {$output_info_(o1,format) == "JPEG"} {
87 $out_frame set h_subsample_ 2;
88 $out_frame set v_subsample_ 1;
89 } else {
90 $out_frame set h_subsample_ 2;
91 $out_frame set v_subsample_ 2;
92 }
93 $out_frame allocate;
94 set init_done_ 1;
95 }
96
97 set in_lum [$in_frame get_lum_name];
98 set in_cr [$in_frame get_cr_name];
99 set in_cb [$in_frame get_cb_name];
100
101 set out_lum [$out_frame get_lum_name];
102 set out_cr [$out_frame get_cr_name];
103 set out_cb [$out_frame get_cb_name];
104
105
106 sc_to_byte_with_bias $in_lum $out_lum 0;
107 sc_to_byte_with_bias $in_cr $out_cr 1;
108 sc_to_byte_with_bias $in_cb $out_cb 1;
109
110 $out_frame set ts_ [$in_frame set ts_];
111
112 set encoder $output_info_(o1,encoder);
113
114 if {$encoder != ""} {
115 $encoder recv $out_frame;
116 }
117 $self send_completion_token;
118 }
119
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