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
202
203
204
205
206
207
208
209
210
211
212
|
/*
* 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 "GStreamerCommon.h"
#include "MediaPlayerPrivateGStreamer.h"
#include "VP9Utilities.h"
#include <gst/pbutils/pbutils.h>
#include <wtf/Scope.h>
#include <wtf/text/StringToIntegerConversion.h>
namespace WebCore {
GST_DEBUG_CATEGORY(webkit_video_track_debug);
#define GST_CAT_DEFAULT webkit_video_track_debug
static void ensureVideoTrackDebugCategoryInitialized()
{
static std::once_flag debugRegisteredFlag;
std::call_once(debugRegisteredFlag, [] {
GST_DEBUG_CATEGORY_INIT(webkit_video_track_debug, "webkitvideotrack", 0, "WebKit Video Track");
});
}
VideoTrackPrivateGStreamer::VideoTrackPrivateGStreamer(ThreadSafeWeakPtr<MediaPlayerPrivateGStreamer>&& player, unsigned index, GRefPtr<GstPad>&& pad, bool shouldHandleStreamStartEvent)
: TrackPrivateBaseGStreamer(TrackPrivateBaseGStreamer::TrackType::Video, this, index, WTFMove(pad), shouldHandleStreamStartEvent)
, m_player(WTFMove(player))
{
ensureVideoTrackDebugCategoryInitialized();
installUpdateConfigurationHandlers();
}
VideoTrackPrivateGStreamer::VideoTrackPrivateGStreamer(ThreadSafeWeakPtr<MediaPlayerPrivateGStreamer>&& player, unsigned index, GRefPtr<GstPad>&& pad, TrackID trackId)
: TrackPrivateBaseGStreamer(TrackPrivateBaseGStreamer::TrackType::Video, this, index, WTFMove(pad), trackId)
, m_player(WTFMove(player))
{
ensureVideoTrackDebugCategoryInitialized();
installUpdateConfigurationHandlers();
}
VideoTrackPrivateGStreamer::VideoTrackPrivateGStreamer(ThreadSafeWeakPtr<MediaPlayerPrivateGStreamer>&& player, unsigned index, GstStream* stream)
: TrackPrivateBaseGStreamer(TrackPrivateBaseGStreamer::TrackType::Video, this, index, stream)
, m_player(WTFMove(player))
{
ensureVideoTrackDebugCategoryInitialized();
installUpdateConfigurationHandlers();
auto caps = adoptGRef(gst_stream_get_caps(m_stream.get()));
updateConfigurationFromCaps(WTFMove(caps));
auto tags = adoptGRef(gst_stream_get_tags(m_stream.get()));
updateConfigurationFromTags(WTFMove(tags));
}
void VideoTrackPrivateGStreamer::capsChanged(TrackID streamId, GRefPtr<GstCaps>&& caps)
{
ASSERT(isMainThread());
updateConfigurationFromCaps(WTFMove(caps));
RefPtr player = m_player.get();
if (!player)
return;
auto codec = player->codecForStreamId(streamId);
if (codec.isEmpty())
return;
auto configuration = this->configuration();
GST_DEBUG_OBJECT(objectForLogging(), "Setting codec to %s", codec.ascii().data());
configuration.codec = WTFMove(codec);
setConfiguration(WTFMove(configuration));
}
void VideoTrackPrivateGStreamer::updateConfigurationFromTags(GRefPtr<GstTagList>&& tags)
{
ASSERT(isMainThread());
GST_DEBUG_OBJECT(objectForLogging(), "Updating video configuration from %" GST_PTR_FORMAT, tags.get());
if (!tags)
return;
if (updateTrackIDFromTags(tags)) {
GST_DEBUG_OBJECT(objectForLogging(), "Video track ID set from container-specific-track-id tag %" G_GUINT64_FORMAT, *m_trackID);
notifyClients([trackID = *m_trackID](auto& client) {
client.idChanged(trackID);
});
}
unsigned bitrate;
if (!gst_tag_list_get_uint(tags.get(), GST_TAG_BITRATE, &bitrate))
return;
GST_DEBUG_OBJECT(objectForLogging(), "Setting bitrate to %u", bitrate);
auto configuration = this->configuration();
configuration.bitrate = bitrate;
setConfiguration(WTFMove(configuration));
}
void VideoTrackPrivateGStreamer::updateConfigurationFromCaps(GRefPtr<GstCaps>&& caps)
{
ASSERT(isMainThread());
if (!caps || !gst_caps_is_fixed(caps.get()))
return;
GST_DEBUG_OBJECT(objectForLogging(), "Updating video configuration from %" GST_PTR_FORMAT, caps.get());
auto configuration = this->configuration();
auto scopeExit = makeScopeExit([&] {
setConfiguration(WTFMove(configuration));
});
#if GST_CHECK_VERSION(1, 20, 0)
GUniquePtr<char> mimeCodec(gst_codec_utils_caps_get_mime_codec(caps.get()));
if (mimeCodec) {
String codec = unsafeSpan(mimeCodec.get());
if (!webkitGstCheckVersion(1, 22, 8)) {
// The gst_codec_utils_caps_get_mime_codec() function will return all the codec parameters,
// including the default ones, so to strip them away, re-parse the returned string, using
// WebCore VPx codec string parser.
// This workaround is needed only for GStreamer versions older than 1.22.8. Merge-request:
// https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5716
if (codec.startsWith("vp09"_s) && codec.endsWith(".01.01.01.01.00"_s)) {
auto parsedRecord = parseVPCodecParameters(codec);
ASSERT(parsedRecord);
codec = createVPCodecParametersString(*parsedRecord);
}
}
configuration.codec = WTFMove(codec);
}
#endif
if (areEncryptedCaps(caps.get())) {
if (auto videoResolution = getVideoResolutionFromCaps(caps.get())) {
configuration.width = videoResolution->width();
configuration.height = videoResolution->height();
}
return;
}
GstVideoInfo info;
if (gst_video_info_from_caps(&info, caps.get())) {
if (GST_VIDEO_INFO_FPS_N(&info))
gst_util_fraction_to_double(GST_VIDEO_INFO_FPS_N(&info), GST_VIDEO_INFO_FPS_D(&info), &configuration.framerate);
configuration.width = GST_VIDEO_INFO_WIDTH(&info);
configuration.height = GST_VIDEO_INFO_HEIGHT(&info);
configuration.colorSpace = videoColorSpaceFromInfo(info);
}
}
VideoTrackPrivate::Kind VideoTrackPrivateGStreamer::kind() const
{
if (m_stream && 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);
RefPtr player = m_player.get();
if (player)
player->updateEnabledVideoTrack();
}
#undef GST_CAT_DEFAULT
} // namespace WebCore
#endif // ENABLE(VIDEO) && USE(GSTREAMER)
|
