1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#if ENABLE(VIDEO) && USE(AVFOUNDATION) && !HAVE(AVFOUNDATION_LEGIBLE_OUTPUT_SUPPORT) && !PLATFORM(IOS)
29
30#include "InbandTextTrackPrivateLegacyAVCF.h"
31
32#include "InbandTextTrackPrivateAVF.h"
33#include "Logging.h"
34#include "MediaPlayerPrivateAVFoundationCF.h"
35#include "SoftLinking.h"
36
37#include <AVFoundationCF/AVFoundationCF.h>
38
39#include <d3d9.h>
40
41// The softlink header files must be included after the AVCF and CoreMedia header files.
42#include "AVFoundationCFSoftLinking.h"
43
44namespace WebCore {
45
46InbandTextTrackPrivateLegacyAVCF::InbandTextTrackPrivateLegacyAVCF(MediaPlayerPrivateAVFoundationCF* player, AVCFPlayerItemTrackRef track)
47    : InbandTextTrackPrivateAVF(player)
48    , m_playerItemTrack(track)
49{
50}
51
52void InbandTextTrackPrivateLegacyAVCF::disconnect()
53{
54    m_playerItemTrack = 0;
55    InbandTextTrackPrivateAVF::disconnect();
56}
57
58InbandTextTrackPrivate::Kind InbandTextTrackPrivateLegacyAVCF::kind() const
59{
60    if (!m_playerItemTrack)
61        return InbandTextTrackPrivate::None;
62
63    return InbandTextTrackPrivate::Captions;
64}
65
66bool InbandTextTrackPrivateLegacyAVCF::isClosedCaptions() const
67{
68    return m_playerItemTrack;
69}
70
71bool InbandTextTrackPrivateLegacyAVCF::containsOnlyForcedSubtitles() const
72{
73    return false;
74}
75
76bool InbandTextTrackPrivateLegacyAVCF::isMainProgramContent() const
77{
78    return m_playerItemTrack;
79}
80
81bool InbandTextTrackPrivateLegacyAVCF::isEasyToRead() const
82{
83    return false;
84}
85
86AtomicString InbandTextTrackPrivateLegacyAVCF::label() const
87{
88    if (!m_playerItemTrack)
89        return emptyAtom;
90
91    RetainPtr<CFStringRef> title;
92
93    RetainPtr<AVCFAssetTrackRef> assetTrack = adoptCF(AVCFPlayerItemTrackCopyAssetTrack(m_playerItemTrack.get()));
94    RetainPtr<CFArrayRef> commonMetaData = adoptCF(AVCFAssetTrackCopyCommonMetadata(assetTrack.get()));
95    RetainPtr<CFArrayRef> titles = adoptCF(AVCFMetadataItemCopyItemsWithKeyAndKeySpace(commonMetaData.get(), AVCFMetadataCommonKeyTitle, AVCFMetadataKeySpaceCommon));
96    CFIndex titlesCount = CFArrayGetCount(titles.get());
97    if (titlesCount) {
98        RetainPtr<CFLocaleRef> currentLocale = adoptCF(CFLocaleCopyCurrent());
99        RetainPtr<CFArrayRef> titlesForPreferredLanguages = adoptCF(AVCFMetadataItemCopyItemsWithLocale(titles.get(), currentLocale.get()));
100        CFIndex preferredTitlesCount = CFArrayGetCount(titlesForPreferredLanguages.get());
101        if (preferredTitlesCount) {
102            AVCFMetadataItemRef titleMetadata = static_cast<AVCFMetadataItemRef>(CFArrayGetValueAtIndex(titlesForPreferredLanguages.get(), 0));
103            title = adoptCF(AVCFMetadataItemCopyStringValue(titleMetadata));
104        }
105
106        if (!title) {
107            AVCFMetadataItemRef titleMetadata = static_cast<AVCFMetadataItemRef>(CFArrayGetValueAtIndex(titles.get(), 0));
108            title = adoptCF(AVCFMetadataItemCopyStringValue(titleMetadata));
109        }
110    }
111
112    return title ? AtomicString(title.get()) : emptyAtom;
113}
114
115AtomicString InbandTextTrackPrivateLegacyAVCF::language() const
116{
117    if (!m_playerItemTrack)
118        return emptyAtom;
119
120    RetainPtr<AVCFAssetTrackRef> assetTrack = adoptCF(AVCFPlayerItemTrackCopyAssetTrack(m_playerItemTrack.get()));
121    RetainPtr<CFStringRef> languageCode = adoptCF(AVCFAssetTrackCopyLanguageCode(assetTrack.get()));
122    RetainPtr<CFLocaleRef> locale = adoptCF(CFLocaleCreate(kCFAllocatorDefault, languageCode.get()));
123    return CFLocaleGetIdentifier(locale.get());
124}
125
126} // namespace WebCore
127
128#endif
129