Line data Source code
1 : /*
2 : * If not stated otherwise in this file or this component's LICENSE file the
3 : * following copyright and licenses apply:
4 : *
5 : * Copyright 2022 Sky UK
6 : *
7 : * Licensed under the Apache License, Version 2.0 (the "License");
8 : * you may not use this file except in compliance with the License.
9 : * You may obtain a copy of the License at
10 : *
11 : * http://www.apache.org/licenses/LICENSE-2.0
12 : *
13 : * Unless required by applicable law or agreed to in writing, software
14 : * distributed under the License is distributed on an "AS IS" BASIS,
15 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 : * See the License for the specific language governing permissions and
17 : * limitations under the License.
18 : */
19 :
20 : #include "tasks/generic/HandleBusMessage.h"
21 : #include "GenericPlayerContext.h"
22 : #include "IGstGenericPlayerClient.h"
23 : #include "IGstWrapper.h"
24 : #include "RialtoServerLogging.h"
25 :
26 : namespace firebolt::rialto::server::tasks::generic
27 : {
28 36 : HandleBusMessage::HandleBusMessage(GenericPlayerContext &context, IGstGenericPlayerPrivate &player,
29 : IGstGenericPlayerClient *client,
30 : const std::shared_ptr<firebolt::rialto::wrappers::IGstWrapper> &gstWrapper,
31 : const std::shared_ptr<firebolt::rialto::wrappers::IGlibWrapper> &glibWrapper,
32 36 : GstMessage *message, const IFlushWatcher &flushWatcher)
33 36 : : m_context{context}, m_player{player}, m_gstPlayerClient{client}, m_gstWrapper{gstWrapper},
34 36 : m_glibWrapper{glibWrapper}, m_message{message}, m_flushWatcher{flushWatcher},
35 36 : m_isFlushOngoingDuringCreation{flushWatcher.isFlushOngoing()},
36 72 : m_isAsyncFlushOngoingDuringCreation{flushWatcher.isAsyncFlushOngoing()}
37 : {
38 36 : RIALTO_SERVER_LOG_DEBUG("Constructing HandleBusMessage");
39 : }
40 :
41 37 : HandleBusMessage::~HandleBusMessage()
42 : {
43 36 : RIALTO_SERVER_LOG_DEBUG("HandleBusMessage finished");
44 37 : }
45 :
46 35 : void HandleBusMessage::execute() const
47 : {
48 35 : RIALTO_SERVER_LOG_DEBUG("Executing HandleBusMessage");
49 35 : switch (GST_MESSAGE_TYPE(m_message))
50 : {
51 14 : case GST_MESSAGE_STATE_CHANGED:
52 : {
53 14 : if (m_context.pipeline && GST_MESSAGE_SRC(m_message) == GST_OBJECT(m_context.pipeline))
54 : {
55 : GstState oldState, newState, pending;
56 12 : m_gstWrapper->gstMessageParseStateChanged(m_message, &oldState, &newState, &pending);
57 12 : RIALTO_SERVER_LOG_MIL("State changed (old: %s, new: %s, pending: %s)",
58 : m_gstWrapper->gstElementStateGetName(oldState),
59 : m_gstWrapper->gstElementStateGetName(newState),
60 : m_gstWrapper->gstElementStateGetName(pending));
61 :
62 24 : std::string filename = std::string(m_gstWrapper->gstElementStateGetName(oldState)) + "-" +
63 36 : std::string(m_gstWrapper->gstElementStateGetName(newState));
64 12 : m_gstWrapper->gstDebugBinToDotFileWithTs(GST_BIN(m_context.pipeline), GST_DEBUG_GRAPH_SHOW_ALL,
65 : filename.c_str());
66 12 : if (!m_gstPlayerClient)
67 : {
68 1 : break;
69 : }
70 11 : switch (newState)
71 : {
72 1 : case GST_STATE_NULL:
73 : {
74 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::STOPPED);
75 1 : break;
76 : }
77 5 : case GST_STATE_PAUSED:
78 : {
79 5 : m_player.startNotifyPlaybackInfoTimer();
80 5 : m_player.stopPositionReportingAndCheckAudioUnderflowTimer();
81 5 : if (pending != GST_STATE_PAUSED)
82 : {
83 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
84 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
85 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
86 4 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
87 : {
88 2 : RIALTO_SERVER_LOG_WARN("Skip PAUSED notification - flush is ongoing");
89 2 : break;
90 : }
91 : // newState==GST_STATE_PAUSED, pending==GST_STATE_PAUSED state transition is received as a result of
92 : // waiting for preroll after seek.
93 : // Subsequent newState==GST_STATE_PAUSED, pending!=GST_STATE_PAUSED transition will
94 : // indicate that the pipeline is prerolled and it reached GST_STATE_PAUSED state after seek.
95 2 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PAUSED);
96 : }
97 :
98 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
99 : {
100 0 : m_player.stopSubtitleClockResyncTimer();
101 : }
102 3 : break;
103 : }
104 5 : case GST_STATE_PLAYING:
105 : {
106 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
107 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
108 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
109 5 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
110 : {
111 2 : RIALTO_SERVER_LOG_WARN("Skip PLAYING notification - flush is ongoing");
112 2 : break;
113 : }
114 3 : if (m_context.pendingPlaybackRate != kNoPendingPlaybackRate)
115 : {
116 1 : m_player.setPendingPlaybackRate();
117 : }
118 3 : m_player.startPositionReportingAndCheckAudioUnderflowTimer();
119 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
120 : {
121 0 : m_player.startSubtitleClockResyncTimer();
122 : }
123 :
124 3 : m_context.isPlaying = true;
125 3 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PLAYING);
126 3 : break;
127 : }
128 0 : case GST_STATE_VOID_PENDING:
129 : {
130 0 : break;
131 : }
132 0 : case GST_STATE_READY:
133 : {
134 0 : m_player.stopNotifyPlaybackInfoTimer();
135 0 : break;
136 : }
137 : }
138 12 : }
139 13 : break;
140 : }
141 6 : case GST_MESSAGE_EOS:
142 : {
143 : // If flush was requested before HandleBusMessage task creation (but it was not executed yet)
144 : // or if flush was created after HandleBusMessage task creation (but before its execution)
145 : // we can't report EOS, because flush clears EOS.
146 6 : if (m_isFlushOngoingDuringCreation || m_flushWatcher.isFlushOngoing())
147 : {
148 2 : RIALTO_SERVER_LOG_WARN("Skip EOS notification - flush is ongoing");
149 2 : break;
150 : }
151 4 : if (m_context.pipeline && GST_MESSAGE_SRC(m_message) == GST_OBJECT(m_context.pipeline))
152 : {
153 2 : RIALTO_SERVER_LOG_MIL("End of stream reached.");
154 2 : if (!m_context.eosNotified && m_gstPlayerClient)
155 : {
156 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
157 1 : m_context.eosNotified = true;
158 : }
159 : }
160 4 : break;
161 : }
162 4 : case GST_MESSAGE_QOS:
163 : {
164 : GstFormat format;
165 4 : gboolean isLive = FALSE;
166 4 : guint64 runningTime = 0;
167 4 : guint64 streamTime = 0;
168 4 : guint64 timestamp = 0;
169 4 : guint64 duration = 0;
170 4 : guint64 dropped = 0;
171 4 : guint64 processed = 0;
172 :
173 4 : m_gstWrapper->gstMessageParseQos(m_message, &isLive, &runningTime, &streamTime, ×tamp, &duration);
174 4 : m_gstWrapper->gstMessageParseQosStats(m_message, &format, &processed, &dropped);
175 :
176 4 : if (GST_FORMAT_BUFFERS == format || GST_FORMAT_DEFAULT == format)
177 : {
178 3 : RIALTO_SERVER_LOG_INFO("QOS message: runningTime %" G_GUINT64_FORMAT ", streamTime %" G_GUINT64_FORMAT
179 : ", timestamp %" G_GUINT64_FORMAT ", duration %" G_GUINT64_FORMAT
180 : ", format %u, processed %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
181 : runningTime, streamTime, timestamp, duration, format, processed, dropped);
182 :
183 3 : if (m_gstPlayerClient)
184 : {
185 3 : firebolt::rialto::QosInfo qosInfo = {processed, dropped};
186 : const gchar *klass;
187 3 : klass = m_gstWrapper->gstElementClassGetMetadata(GST_ELEMENT_GET_CLASS(GST_MESSAGE_SRC(m_message)),
188 : GST_ELEMENT_METADATA_KLASS);
189 :
190 3 : if (g_strrstr(klass, "Video"))
191 : {
192 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::VIDEO, qosInfo);
193 : }
194 2 : else if (g_strrstr(klass, "Audio"))
195 : {
196 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::AUDIO, qosInfo);
197 : }
198 : else
199 : {
200 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for class '%s', ignoring QOS Message", klass);
201 : }
202 : }
203 3 : }
204 : else
205 : {
206 1 : RIALTO_SERVER_LOG_WARN("Received a QOS_MESSAGE with unhandled format %s",
207 : m_gstWrapper->gstFormatGetName(format));
208 : }
209 4 : break;
210 : }
211 6 : case GST_MESSAGE_ERROR:
212 : {
213 6 : GError *err = nullptr;
214 6 : gchar *debug = nullptr;
215 6 : m_gstWrapper->gstMessageParseError(m_message, &err, &debug);
216 :
217 6 : if ((err->domain == GST_STREAM_ERROR) && (allSourcesEos()))
218 : {
219 2 : RIALTO_SERVER_LOG_WARN("Got stream error from %s. But all streams are ended, so reporting EOS. Error code "
220 : "%d: %s "
221 : "(%s).",
222 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
223 2 : if (!m_context.eosNotified && m_gstPlayerClient)
224 : {
225 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
226 1 : m_context.eosNotified = true;
227 : }
228 : }
229 : else
230 : {
231 4 : RIALTO_SERVER_LOG_ERROR("Error from %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
232 : err->code, err->message, debug);
233 4 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::FAILURE);
234 : }
235 :
236 6 : m_glibWrapper->gFree(debug);
237 6 : m_glibWrapper->gErrorFree(err);
238 6 : break;
239 : }
240 4 : case GST_MESSAGE_WARNING:
241 : {
242 4 : PlaybackError rialtoError = PlaybackError::UNKNOWN;
243 4 : GError *err = nullptr;
244 4 : gchar *debug = nullptr;
245 4 : m_gstWrapper->gstMessageParseWarning(m_message, &err, &debug);
246 :
247 4 : if ((err->domain == GST_STREAM_ERROR) && (err->code == GST_STREAM_ERROR_DECRYPT))
248 : {
249 3 : RIALTO_SERVER_LOG_WARN("Decrypt error %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
250 : err->code, err->message, debug);
251 3 : rialtoError = PlaybackError::DECRYPTION;
252 : }
253 : else
254 : {
255 1 : RIALTO_SERVER_LOG_WARN("Unknown warning, ignoring %s - %d: %s (%s)",
256 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
257 : }
258 :
259 4 : if ((PlaybackError::UNKNOWN != rialtoError) && (m_gstPlayerClient))
260 : {
261 3 : const gchar *kName = GST_ELEMENT_NAME(GST_ELEMENT(GST_MESSAGE_SRC(m_message)));
262 3 : if (g_strrstr(kName, "video"))
263 : {
264 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::VIDEO,
265 : PlaybackError::DECRYPTION);
266 : }
267 2 : else if (g_strrstr(kName, "audio"))
268 : {
269 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::AUDIO,
270 : PlaybackError::DECRYPTION);
271 : }
272 : else
273 : {
274 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for element '%s', not propagating error", kName);
275 : }
276 : }
277 :
278 4 : m_glibWrapper->gFree(debug);
279 4 : m_glibWrapper->gErrorFree(err);
280 4 : break;
281 : }
282 1 : default:
283 1 : break;
284 : }
285 :
286 35 : m_gstWrapper->gstMessageUnref(m_message);
287 : }
288 :
289 4 : bool HandleBusMessage::allSourcesEos() const
290 : {
291 8 : for (const auto &streamInfo : m_context.streamInfo)
292 : {
293 6 : const auto eosInfoIt = m_context.endOfStreamInfo.find(streamInfo.first);
294 6 : if (eosInfoIt == m_context.endOfStreamInfo.end() || eosInfoIt->second != EosState::SET)
295 : {
296 2 : return false;
297 : }
298 : }
299 2 : return true;
300 : }
301 : } // namespace firebolt::rialto::server::tasks::generic
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