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
|
/*
* Copyright (C) 2012, 2014 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. ``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
* 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.
*/
#include "config.h"
#if ENABLE(VIDEO_TRACK)
#include "InbandWebVTTTextTrack.h"
#include "InbandTextTrackPrivate.h"
#include "Logging.h"
#include "NotImplemented.h"
#include "VTTRegionList.h"
#include <wtf/text/CString.h>
namespace WebCore {
Ref<InbandTextTrack> InbandWebVTTTextTrack::create(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> playerPrivate)
{
return adoptRef(*new InbandWebVTTTextTrack(context, client, playerPrivate));
}
InbandWebVTTTextTrack::InbandWebVTTTextTrack(ScriptExecutionContext* context, TextTrackClient* client, PassRefPtr<InbandTextTrackPrivate> trackPrivate)
: InbandTextTrack(context, client, trackPrivate)
{
}
InbandWebVTTTextTrack::~InbandWebVTTTextTrack()
{
}
WebVTTParser& InbandWebVTTTextTrack::parser()
{
if (!m_webVTTParser)
m_webVTTParser = std::make_unique<WebVTTParser>(static_cast<WebVTTParserClient*>(this), scriptExecutionContext());
return *m_webVTTParser;
}
void InbandWebVTTTextTrack::parseWebVTTCueData(InbandTextTrackPrivate* trackPrivate, const char* data, unsigned length)
{
ASSERT_UNUSED(trackPrivate, trackPrivate == m_private);
parser().parseBytes(data, length);
}
void InbandWebVTTTextTrack::parseWebVTTCueData(InbandTextTrackPrivate* trackPrivate, const ISOWebVTTCue& cueData)
{
ASSERT_UNUSED(trackPrivate, trackPrivate == m_private);
parser().parseCueData(cueData);
}
void InbandWebVTTTextTrack::newCuesParsed()
{
Vector<RefPtr<WebVTTCueData>> cues;
parser().getNewCues(cues);
for (auto& cueData : cues) {
RefPtr<VTTCue> vttCue = VTTCue::create(*scriptExecutionContext(), *cueData);
if (hasCue(vttCue.get(), TextTrackCue::IgnoreDuration)) {
LOG(Media, "InbandWebVTTTextTrack::newCuesParsed ignoring already added cue: start=%.2f, end=%.2f, content=\"%s\"\n", vttCue->startTime(), vttCue->endTime(), vttCue->text().utf8().data());
return;
}
addCue(vttCue.release(), ASSERT_NO_EXCEPTION);
}
}
void InbandWebVTTTextTrack::newRegionsParsed()
{
Vector<RefPtr<VTTRegion>> newRegions;
parser().getNewRegions(newRegions);
for (auto& region : newRegions) {
region->setTrack(this);
regions()->add(region);
}
}
void InbandWebVTTTextTrack::fileFailedToParse()
{
LOG(Media, "Error parsing WebVTT stream.");
}
} // namespace WebCore
#endif
|