1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2013 Apple Inc. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#ifndef SampleMap_h
#define SampleMap_h
#if ENABLE(MEDIA_SOURCE)
#include <map>
#include <wtf/MediaTime.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class MediaSample;
class SampleMap;
class PresentationOrderSampleMap {
friend class SampleMap;
public:
typedef std::map<MediaTime, RefPtr<MediaSample>> MapType;
typedef MapType::iterator iterator;
typedef MapType::reverse_iterator reverse_iterator;
typedef std::pair<iterator, iterator> iterator_range;
iterator begin() { return m_samples.begin(); }
iterator end() { return m_samples.end(); }
reverse_iterator rbegin() { return m_samples.rbegin(); }
reverse_iterator rend() { return m_samples.rend(); }
iterator findSampleWithPresentationTime(const MediaTime&);
iterator findSampleContainingPresentationTime(const MediaTime&);
iterator findSampleOnOrAfterPresentationTime(const MediaTime&);
reverse_iterator reverseFindSampleContainingPresentationTime(const MediaTime&);
reverse_iterator reverseFindSampleBeforePresentationTime(const MediaTime&);
iterator_range findSamplesBetweenPresentationTimes(const MediaTime&, const MediaTime&);
iterator_range findSamplesWithinPresentationRange(const MediaTime&, const MediaTime&);
iterator_range findSamplesWithinPresentationRangeFromEnd(const MediaTime&, const MediaTime&);
private:
MapType m_samples;
};
class DecodeOrderSampleMap {
friend class SampleMap;
public:
typedef std::pair<MediaTime, MediaTime> KeyType;
typedef std::map<KeyType, RefPtr<MediaSample>> MapType;
typedef MapType::iterator iterator;
typedef MapType::reverse_iterator reverse_iterator;
typedef std::pair<reverse_iterator, reverse_iterator> reverse_iterator_range;
iterator begin() { return m_samples.begin(); }
iterator end() { return m_samples.end(); }
reverse_iterator rbegin() { return m_samples.rbegin(); }
reverse_iterator rend() { return m_samples.rend(); }
iterator findSampleWithDecodeKey(const KeyType&);
reverse_iterator reverseFindSampleWithDecodeKey(const KeyType&);
reverse_iterator findSyncSamplePriorToPresentationTime(const MediaTime&, const MediaTime& threshold = MediaTime::positiveInfiniteTime());
reverse_iterator findSyncSamplePriorToDecodeIterator(reverse_iterator);
iterator findSyncSampleAfterPresentationTime(const MediaTime&, const MediaTime& threshold = MediaTime::positiveInfiniteTime());
iterator findSyncSampleAfterDecodeIterator(iterator);
reverse_iterator_range findDependentSamples(MediaSample*);
private:
MapType m_samples;
PresentationOrderSampleMap m_presentationOrder;
};
class SampleMap {
public:
SampleMap()
: m_totalSize(0)
{
}
bool empty() const;
void clear();
void addSample(PassRefPtr<MediaSample>);
void removeSample(MediaSample*);
size_t sizeInBytes() const { return m_totalSize; }
template<typename I>
void addRange(I begin, I end);
DecodeOrderSampleMap& decodeOrder() { return m_decodeOrder; }
const DecodeOrderSampleMap& decodeOrder() const { return m_decodeOrder; }
PresentationOrderSampleMap& presentationOrder() { return m_decodeOrder.m_presentationOrder; }
const PresentationOrderSampleMap& presentationOrder() const { return m_decodeOrder.m_presentationOrder; }
private:
DecodeOrderSampleMap m_decodeOrder;
size_t m_totalSize;
};
template<typename I>
void SampleMap::addRange(I begin, I end)
{
for (I iter = begin; iter != end; ++iter)
addSample(iter->second);
}
}
#endif
#endif // SampleMap_h
|
