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_context.flushOnPrerollController.reset();
75 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::STOPPED);
76 1 : break;
77 : }
78 5 : case GST_STATE_PAUSED:
79 : {
80 5 : if (pending != GST_STATE_PAUSED)
81 : {
82 4 : m_context.flushOnPrerollController.stateReached(newState);
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 2 : m_player.notifyPlaybackInfo();
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 5 : m_context.flushOnPrerollController.stateReached(newState);
107 5 : m_player.executePostponedFlushes();
108 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
109 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
110 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
111 5 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
112 : {
113 2 : RIALTO_SERVER_LOG_WARN("Skip PLAYING notification - flush is ongoing");
114 2 : break;
115 : }
116 3 : if (m_context.pendingPlaybackRate != kNoPendingPlaybackRate)
117 : {
118 1 : m_player.setPendingPlaybackRate();
119 : }
120 3 : m_player.startPositionReportingAndCheckAudioUnderflowTimer();
121 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
122 : {
123 0 : m_player.startSubtitleClockResyncTimer();
124 : }
125 :
126 3 : m_context.isPlaying = true;
127 3 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PLAYING);
128 3 : break;
129 : }
130 0 : case GST_STATE_VOID_PENDING:
131 : case GST_STATE_READY:
132 : {
133 0 : break;
134 : }
135 : }
136 12 : }
137 13 : break;
138 : }
139 6 : case GST_MESSAGE_EOS:
140 : {
141 : // If flush was requested before HandleBusMessage task creation (but it was not executed yet)
142 : // or if flush was created after HandleBusMessage task creation (but before its execution)
143 : // we can't report EOS, because flush clears EOS.
144 6 : if (m_isFlushOngoingDuringCreation || m_flushWatcher.isFlushOngoing())
145 : {
146 2 : RIALTO_SERVER_LOG_WARN("Skip EOS notification - flush is ongoing");
147 2 : break;
148 : }
149 4 : if (m_context.pipeline && GST_MESSAGE_SRC(m_message) == GST_OBJECT(m_context.pipeline))
150 : {
151 2 : RIALTO_SERVER_LOG_MIL("End of stream reached.");
152 2 : if (!m_context.eosNotified && m_gstPlayerClient)
153 : {
154 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
155 1 : m_context.eosNotified = true;
156 : }
157 : }
158 4 : break;
159 : }
160 4 : case GST_MESSAGE_QOS:
161 : {
162 : GstFormat format;
163 4 : gboolean isLive = FALSE;
164 4 : guint64 runningTime = 0;
165 4 : guint64 streamTime = 0;
166 4 : guint64 timestamp = 0;
167 4 : guint64 duration = 0;
168 4 : guint64 dropped = 0;
169 4 : guint64 processed = 0;
170 :
171 4 : m_gstWrapper->gstMessageParseQos(m_message, &isLive, &runningTime, &streamTime, ×tamp, &duration);
172 4 : m_gstWrapper->gstMessageParseQosStats(m_message, &format, &processed, &dropped);
173 :
174 4 : if (GST_FORMAT_BUFFERS == format || GST_FORMAT_DEFAULT == format)
175 : {
176 3 : RIALTO_SERVER_LOG_INFO("QOS message: runningTime %" G_GUINT64_FORMAT ", streamTime %" G_GUINT64_FORMAT
177 : ", timestamp %" G_GUINT64_FORMAT ", duration %" G_GUINT64_FORMAT
178 : ", format %u, processed %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
179 : runningTime, streamTime, timestamp, duration, format, processed, dropped);
180 :
181 3 : if (m_gstPlayerClient)
182 : {
183 3 : firebolt::rialto::QosInfo qosInfo = {processed, dropped};
184 : const gchar *klass;
185 3 : klass = m_gstWrapper->gstElementClassGetMetadata(GST_ELEMENT_GET_CLASS(GST_MESSAGE_SRC(m_message)),
186 : GST_ELEMENT_METADATA_KLASS);
187 :
188 3 : if (g_strrstr(klass, "Video"))
189 : {
190 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::VIDEO, qosInfo);
191 : }
192 2 : else if (g_strrstr(klass, "Audio"))
193 : {
194 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::AUDIO, qosInfo);
195 : }
196 : else
197 : {
198 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for class '%s', ignoring QOS Message", klass);
199 : }
200 : }
201 3 : }
202 : else
203 : {
204 1 : RIALTO_SERVER_LOG_WARN("Received a QOS_MESSAGE with unhandled format %s",
205 : m_gstWrapper->gstFormatGetName(format));
206 : }
207 4 : break;
208 : }
209 6 : case GST_MESSAGE_ERROR:
210 : {
211 6 : GError *err = nullptr;
212 6 : gchar *debug = nullptr;
213 6 : m_gstWrapper->gstMessageParseError(m_message, &err, &debug);
214 :
215 6 : if ((err->domain == GST_STREAM_ERROR) && (allSourcesEos()))
216 : {
217 2 : RIALTO_SERVER_LOG_WARN("Got stream error from %s. But all streams are ended, so reporting EOS. Error code "
218 : "%d: %s "
219 : "(%s).",
220 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
221 2 : if (!m_context.eosNotified && m_gstPlayerClient)
222 : {
223 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
224 1 : m_context.eosNotified = true;
225 : }
226 : }
227 : else
228 : {
229 4 : RIALTO_SERVER_LOG_ERROR("Error from %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
230 : err->code, err->message, debug);
231 4 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::FAILURE);
232 : }
233 :
234 6 : m_glibWrapper->gFree(debug);
235 6 : m_glibWrapper->gErrorFree(err);
236 6 : break;
237 : }
238 4 : case GST_MESSAGE_WARNING:
239 : {
240 4 : PlaybackError rialtoError = PlaybackError::UNKNOWN;
241 4 : GError *err = nullptr;
242 4 : gchar *debug = nullptr;
243 4 : m_gstWrapper->gstMessageParseWarning(m_message, &err, &debug);
244 :
245 4 : if ((err->domain == GST_STREAM_ERROR) && (err->code == GST_STREAM_ERROR_DECRYPT))
246 : {
247 3 : RIALTO_SERVER_LOG_WARN("Decrypt error %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
248 : err->code, err->message, debug);
249 3 : rialtoError = PlaybackError::DECRYPTION;
250 : }
251 : else
252 : {
253 1 : RIALTO_SERVER_LOG_WARN("Unknown warning, ignoring %s - %d: %s (%s)",
254 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
255 : }
256 :
257 4 : if ((PlaybackError::UNKNOWN != rialtoError) && (m_gstPlayerClient))
258 : {
259 3 : const gchar *kName = GST_ELEMENT_NAME(GST_ELEMENT(GST_MESSAGE_SRC(m_message)));
260 3 : if (g_strrstr(kName, "video"))
261 : {
262 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::VIDEO,
263 : PlaybackError::DECRYPTION);
264 : }
265 2 : else if (g_strrstr(kName, "audio"))
266 : {
267 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::AUDIO,
268 : PlaybackError::DECRYPTION);
269 : }
270 : else
271 : {
272 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for element '%s', not propagating error", kName);
273 : }
274 : }
275 :
276 4 : m_glibWrapper->gFree(debug);
277 4 : m_glibWrapper->gErrorFree(err);
278 4 : break;
279 : }
280 1 : default:
281 1 : break;
282 : }
283 :
284 35 : m_gstWrapper->gstMessageUnref(m_message);
285 : }
286 :
287 4 : bool HandleBusMessage::allSourcesEos() const
288 : {
289 8 : for (const auto &streamInfo : m_context.streamInfo)
290 : {
291 6 : const auto eosInfoIt = m_context.endOfStreamInfo.find(streamInfo.first);
292 6 : if (eosInfoIt == m_context.endOfStreamInfo.end() || eosInfoIt->second != EosState::SET)
293 : {
294 2 : return false;
295 : }
296 : }
297 2 : return true;
298 : }
299 : } // namespace firebolt::rialto::server::tasks::generic
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