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
|
/*
* Copyright (C) 2018 Apple Inc.
*
* 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.
*/
#include "config.h"
#include "LibWebRTCRtpTransceiverBackend.h"
#if ENABLE(WEB_RTC) && USE(LIBWEBRTC)
#include "JSDOMPromiseDeferred.h"
#include "LibWebRTCRtpReceiverBackend.h"
#include "LibWebRTCRtpSenderBackend.h"
#include "LibWebRTCUtils.h"
#include "RTCRtpCodecCapability.h"
namespace WebCore {
std::unique_ptr<LibWebRTCRtpReceiverBackend> LibWebRTCRtpTransceiverBackend::createReceiverBackend()
{
return makeUnique<LibWebRTCRtpReceiverBackend>(m_rtcTransceiver->receiver());
}
std::unique_ptr<LibWebRTCRtpSenderBackend> LibWebRTCRtpTransceiverBackend::createSenderBackend(LibWebRTCPeerConnectionBackend& backend, LibWebRTCRtpSenderBackend::Source&& source)
{
return makeUnique<LibWebRTCRtpSenderBackend>(backend, m_rtcTransceiver->sender(), WTFMove(source));
}
RTCRtpTransceiverDirection LibWebRTCRtpTransceiverBackend::direction() const
{
return toRTCRtpTransceiverDirection(m_rtcTransceiver->direction());
}
std::optional<RTCRtpTransceiverDirection> LibWebRTCRtpTransceiverBackend::currentDirection() const
{
auto value = m_rtcTransceiver->current_direction();
if (!value)
return std::nullopt;
return toRTCRtpTransceiverDirection(*value);
}
void LibWebRTCRtpTransceiverBackend::setDirection(RTCRtpTransceiverDirection direction)
{
// FIXME: Handle error.
m_rtcTransceiver->SetDirectionWithError(fromRTCRtpTransceiverDirection(direction));
}
String LibWebRTCRtpTransceiverBackend::mid()
{
if (auto mid = m_rtcTransceiver->mid())
return fromStdString(*mid);
return String { };
}
void LibWebRTCRtpTransceiverBackend::stop()
{
m_rtcTransceiver->StopStandard();
}
bool LibWebRTCRtpTransceiverBackend::stopped() const
{
return m_rtcTransceiver->stopped();
}
static inline ExceptionOr<webrtc::RtpCodecCapability> toRtpCodecCapability(const RTCRtpCodecCapability& codec)
{
webrtc::RtpCodecCapability rtcCodec;
if (codec.mimeType.startsWith("video/"_s))
rtcCodec.kind = cricket::MEDIA_TYPE_VIDEO;
else if (codec.mimeType.startsWith("audio/"_s))
rtcCodec.kind = cricket::MEDIA_TYPE_AUDIO;
else
return Exception { InvalidModificationError, "RTCRtpCodecCapability bad mimeType"_s };
rtcCodec.name = StringView(codec.mimeType).substring(6).utf8().toStdString();
rtcCodec.clock_rate = codec.clockRate;
if (codec.channels)
rtcCodec.num_channels = *codec.channels;
for (auto parameter : StringView(codec.sdpFmtpLine).split(';')) {
auto position = parameter.find('=');
if (position == notFound)
return Exception { InvalidModificationError, "RTCRtpCodecCapability sdpFmtLine badly formated"_s };
rtcCodec.parameters.emplace(parameter.left(position).utf8().data(), parameter.substring(position + 1).utf8().data());
}
return rtcCodec;
}
ExceptionOr<void> LibWebRTCRtpTransceiverBackend::setCodecPreferences(const Vector<RTCRtpCodecCapability>& codecs)
{
std::vector<webrtc::RtpCodecCapability> rtcCodecs;
for (auto& codec : codecs) {
auto result = toRtpCodecCapability(codec);
if (result.hasException())
return result.releaseException();
rtcCodecs.push_back(result.releaseReturnValue());
}
auto result = m_rtcTransceiver->SetCodecPreferences(rtcCodecs);
if (!result.ok())
return toException(result);
return { };
}
} // namespace WebCore
#endif // ENABLE(WEB_RTC) && USE(LIBWEBRTC)
|
