1 /* ***** BEGIN LICENSE BLOCK *****
2 *
3 * $Id: dirac_byte_stats.h,v 1.5 2008/05/06 09:35:51 asuraparaju Exp $ $Name: Dirac_1_0_2 $
4 *
5 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 *
7 * The contents of this file are subject to the Mozilla Public License
8 * Version 1.1 (the "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 * http://www.mozilla.org/MPL/
11 *
12 * Software distributed under the License is distributed on an "AS IS" basis,
13 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
14 * the specific language governing rights and limitations under the License.
15 *
16 * The Original Code is BBC Research and Development code.
17 *
18 * The Initial Developer of the Original Code is the British Broadcasting
19 * Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 2004.
21 * All Rights Reserved.
22 *
23 * Contributor(s): Andrew Kennedy (Original Author)
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
27 * Public License Version 2.1 (the "LGPL"), in which case the provisions of
28 * the GPL or the LGPL are applicable instead of those above. If you wish to
29 * allow use of your version of this file only under the terms of the either
30 * the GPL or LGPL and not to allow others to use your version of this file
31 * under the MPL, indicate your decision by deleting the provisions above
32 * and replace them with the notice and other provisions required by the GPL
33 * or LGPL. If you do not delete the provisions above, a recipient may use
34 * your version of this file under the terms of any one of the MPL, the GPL
35 * or the LGPL.
36 * ***** END LICENSE BLOCK ***** */
37 
38 /**
39 * Definition of class DiracByteStats
40 */
41 #ifndef dirac_byte_stats_h
42 #define dirac_byte_stats_h
43 
44 // SYSTEM INCLUDES
45 #include <map>                          // for byte-counts
46 #include <climits>
47 
48 #include <libdirac_common/dirac_inttypes.h>
49 
50 namespace dirac
51 {
52 
53     #ifdef _MSC_VER
54     // char length
55     #define CHAR_BIT 8
56 #endif
57 
58     typedef enum {
59         STAT_TOTAL_BYTE_COUNT=0,
60         STAT_MV_BYTE_COUNT,
61         STAT_YCOMP_BYTE_COUNT,
62         STAT_UCOMP_BYTE_COUNT,
63         STAT_VCOMP_BYTE_COUNT
64     } StatType;
65 
66 
67    /**
68    * Class DiracByteStats - for collecting statistics on aspects of the Dirac byte-stream
69    */
70    class DiracByteStats
71    {
72    public:
73         /**
74         * Constructor
75         */
76         DiracByteStats();
77 
78         /**
79         * Copy constructor
80         */
81         DiracByteStats(const DiracByteStats& dirac_byte_stats);
82 
83         /**
84         * Destructor
85         */
86         ~DiracByteStats();
87 
88         /**
89         * Clears data
90         */
91         void Clear();
92 
93         /**
94         * Gets number of bits for a particular stat-type
95         */
96         int64_t GetBitCount(const StatType& stat_type) const;
97 
98         /**
99         * Gets number of bytes for a particular stat-type
100         */
101         int64_t GetByteCount(const StatType& stat_type) const;
102 
103         /**
104         * Sets number of bytes for a particular stat-type
105         */
106         void SetByteCount(const StatType& stat_type, int64_t count);
107 
108 
109     private:
110 
111         /**
112         * Map of byte-counts
113         */
114         std::map<StatType, int64_t> m_byte_count;
115 
116    };
117 
118 } // namespace dirac
119 
120 #endif
121