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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Copyright (C) 2013 Cable Television Laboratories, 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 THE COPYRIGHT HOLDERS AND 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"
#if ENABLE(VIDEO) && USE(GSTREAMER)
#include "VideoTrackPrivateGStreamer.h"
#include "MediaPlayerPrivateGStreamer.h"
#include <gst/pbutils/pbutils.h>
namespace WebCore {
VideoTrackPrivateGStreamer::VideoTrackPrivateGStreamer(WeakPtr<MediaPlayerPrivateGStreamer> player, unsigned index, GRefPtr<GstPad>&& pad, bool shouldHandleStreamStartEvent)
: TrackPrivateBaseGStreamer(TrackPrivateBaseGStreamer::TrackType::Video, this, index, WTFMove(pad), shouldHandleStreamStartEvent)
, m_player(player)
{
}
VideoTrackPrivateGStreamer::VideoTrackPrivateGStreamer(WeakPtr<MediaPlayerPrivateGStreamer> player, unsigned index, GRefPtr<GstStream>&& stream)
: TrackPrivateBaseGStreamer(TrackPrivateBaseGStreamer::TrackType::Video, this, index, WTFMove(stream))
, m_player(player)
{
int kind;
auto tags = adoptGRef(gst_stream_get_tags(m_stream.get()));
if (tags && gst_tag_list_get_int(tags.get(), "webkit-media-stream-kind", &kind) && kind == static_cast<int>(VideoTrackPrivate::Kind::Main)) {
auto streamFlags = gst_stream_get_stream_flags(m_stream.get());
gst_stream_set_stream_flags(m_stream.get(), static_cast<GstStreamFlags>(streamFlags | GST_STREAM_FLAG_SELECT));
}
g_signal_connect_swapped(m_stream.get(), "notify::caps", G_CALLBACK(+[](VideoTrackPrivateGStreamer* track) {
track->m_taskQueue.enqueueTask([track]() {
track->updateConfigurationFromCaps();
});
}), this);
g_signal_connect_swapped(m_stream.get(), "notify::tags", G_CALLBACK(+[](VideoTrackPrivateGStreamer* track) {
track->m_taskQueue.enqueueTask([track]() {
track->updateConfigurationFromTags();
});
}), this);
updateConfigurationFromCaps();
updateConfigurationFromTags();
}
void VideoTrackPrivateGStreamer::updateConfigurationFromTags()
{
ASSERT(isMainThread());
auto tags = adoptGRef(gst_stream_get_tags(m_stream.get()));
unsigned bitrate;
if (!tags || !gst_tag_list_get_uint(tags.get(), GST_TAG_BITRATE, &bitrate))
return;
auto configuration = this->configuration();
configuration.bitrate = bitrate;
setConfiguration(WTFMove(configuration));
}
void VideoTrackPrivateGStreamer::updateConfigurationFromCaps()
{
ASSERT(isMainThread());
auto caps = adoptGRef(gst_stream_get_caps(m_stream.get()));
if (!caps || !gst_caps_is_fixed(caps.get()))
return;
auto configuration = this->configuration();
GstVideoInfo info;
if (gst_video_info_from_caps(&info, caps.get())) {
if (GST_VIDEO_INFO_FPS_N(&info)) {
double framerate;
gst_util_fraction_to_double(GST_VIDEO_INFO_FPS_N(&info), GST_VIDEO_INFO_FPS_D(&info), &framerate);
configuration.framerate = framerate;
}
configuration.width = GST_VIDEO_INFO_WIDTH(&info);
configuration.height = GST_VIDEO_INFO_HEIGHT(&info);
#ifndef GST_DISABLE_GST_DEBUG
GUniquePtr<char> colorimetry(gst_video_colorimetry_to_string(&GST_VIDEO_INFO_COLORIMETRY(&info)));
#endif
PlatformVideoColorSpace colorSpace;
switch (GST_VIDEO_INFO_COLORIMETRY(&info).matrix) {
case GST_VIDEO_COLOR_MATRIX_RGB:
colorSpace.matrix = PlatformVideoMatrixCoefficients::Rgb;
break;
case GST_VIDEO_COLOR_MATRIX_BT709:
colorSpace.matrix = PlatformVideoMatrixCoefficients::Bt709;
break;
case GST_VIDEO_COLOR_MATRIX_BT601:
colorSpace.matrix = PlatformVideoMatrixCoefficients::Bt470bg;
break;
default:
#ifndef GST_DISABLE_GST_DEBUG
GST_DEBUG("Unhandled colorspace matrix from %s", colorimetry.get());
#endif
break;
}
switch (GST_VIDEO_INFO_COLORIMETRY(&info).transfer) {
case GST_VIDEO_TRANSFER_SRGB:
colorSpace.transfer = PlatformVideoTransferCharacteristics::Iec6196621;
break;
case GST_VIDEO_TRANSFER_BT709:
colorSpace.transfer = PlatformVideoTransferCharacteristics::Bt709;
break;
#if GST_CHECK_VERSION(1, 18, 0)
case GST_VIDEO_TRANSFER_BT601:
colorSpace.transfer = PlatformVideoTransferCharacteristics::Smpte170m;
break;
#endif
default:
#ifndef GST_DISABLE_GST_DEBUG
GST_DEBUG("Unhandled colorspace transfer from %s", colorimetry.get());
#endif
break;
}
switch (GST_VIDEO_INFO_COLORIMETRY(&info).primaries) {
case GST_VIDEO_COLOR_PRIMARIES_BT709:
colorSpace.primaries = PlatformVideoColorPrimaries::Bt709;
break;
case GST_VIDEO_COLOR_PRIMARIES_BT470BG:
colorSpace.primaries = PlatformVideoColorPrimaries::Bt470bg;
break;
case GST_VIDEO_COLOR_PRIMARIES_SMPTE170M:
colorSpace.primaries = PlatformVideoColorPrimaries::Smpte170m;
break;
default:
#ifndef GST_DISABLE_GST_DEBUG
GST_DEBUG("Unhandled colorspace primaries from %s", colorimetry.get());
#endif
break;
}
configuration.colorSpace = WTFMove(colorSpace);
}
#if GST_CHECK_VERSION(1, 20, 0)
GUniquePtr<char> codec(gst_codec_utils_caps_get_mime_codec(caps.get()));
configuration.codec = codec.get();
#endif
setConfiguration(WTFMove(configuration));
}
VideoTrackPrivate::Kind VideoTrackPrivateGStreamer::kind() const
{
if (m_stream.get() && gst_stream_get_stream_flags(m_stream.get()) & GST_STREAM_FLAG_SELECT)
return VideoTrackPrivate::Kind::Main;
return VideoTrackPrivate::kind();
}
void VideoTrackPrivateGStreamer::disconnect()
{
m_taskQueue.startAborting();
if (m_stream)
g_signal_handlers_disconnect_matched(m_stream.get(), G_SIGNAL_MATCH_DATA, 0, 0, nullptr, nullptr, this);
m_player = nullptr;
TrackPrivateBaseGStreamer::disconnect();
m_taskQueue.finishAborting();
}
void VideoTrackPrivateGStreamer::setSelected(bool selected)
{
if (selected == this->selected())
return;
VideoTrackPrivate::setSelected(selected);
if (m_player)
m_player->updateEnabledVideoTrack();
}
} // namespace WebCore
#endif // ENABLE(VIDEO) && USE(GSTREAMER)
|
