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 : }
97 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
98 : {
99 0 : m_player.stopSubtitleClockResyncTimer();
100 : }
101 3 : break;
102 : }
103 5 : case GST_STATE_PLAYING:
104 : {
105 5 : m_context.flushOnPrerollController.stateReached(newState);
106 5 : m_player.executePostponedFlushes();
107 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
108 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
109 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
110 5 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
111 : {
112 2 : RIALTO_SERVER_LOG_WARN("Skip PLAYING notification - flush is ongoing");
113 2 : break;
114 : }
115 3 : if (m_context.pendingPlaybackRate != kNoPendingPlaybackRate)
116 : {
117 1 : m_player.setPendingPlaybackRate();
118 : }
119 3 : m_player.startPositionReportingAndCheckAudioUnderflowTimer();
120 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
121 : {
122 0 : m_player.startSubtitleClockResyncTimer();
123 : }
124 :
125 3 : m_context.isPlaying = true;
126 3 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PLAYING);
127 3 : break;
128 : }
129 0 : case GST_STATE_VOID_PENDING:
130 : case GST_STATE_READY:
131 : {
132 0 : break;
133 : }
134 : }
135 12 : }
136 13 : break;
137 : }
138 6 : case GST_MESSAGE_EOS:
139 : {
140 : // If flush was requested before HandleBusMessage task creation (but it was not executed yet)
141 : // or if flush was created after HandleBusMessage task creation (but before its execution)
142 : // we can't report EOS, because flush clears EOS.
143 6 : if (m_isFlushOngoingDuringCreation || m_flushWatcher.isFlushOngoing())
144 : {
145 2 : RIALTO_SERVER_LOG_WARN("Skip EOS notification - flush is ongoing");
146 2 : break;
147 : }
148 4 : if (m_context.pipeline && GST_MESSAGE_SRC(m_message) == GST_OBJECT(m_context.pipeline))
149 : {
150 2 : RIALTO_SERVER_LOG_MIL("End of stream reached.");
151 2 : if (!m_context.eosNotified && m_gstPlayerClient)
152 : {
153 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
154 1 : m_context.eosNotified = true;
155 : }
156 : }
157 4 : break;
158 : }
159 4 : case GST_MESSAGE_QOS:
160 : {
161 : GstFormat format;
162 4 : gboolean isLive = FALSE;
163 4 : guint64 runningTime = 0;
164 4 : guint64 streamTime = 0;
165 4 : guint64 timestamp = 0;
166 4 : guint64 duration = 0;
167 4 : guint64 dropped = 0;
168 4 : guint64 processed = 0;
169 :
170 4 : m_gstWrapper->gstMessageParseQos(m_message, &isLive, &runningTime, &streamTime, ×tamp, &duration);
171 4 : m_gstWrapper->gstMessageParseQosStats(m_message, &format, &processed, &dropped);
172 :
173 4 : if (GST_FORMAT_BUFFERS == format || GST_FORMAT_DEFAULT == format)
174 : {
175 3 : RIALTO_SERVER_LOG_INFO("QOS message: runningTime %" G_GUINT64_FORMAT ", streamTime %" G_GUINT64_FORMAT
176 : ", timestamp %" G_GUINT64_FORMAT ", duration %" G_GUINT64_FORMAT
177 : ", format %u, processed %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
178 : runningTime, streamTime, timestamp, duration, format, processed, dropped);
179 :
180 3 : if (m_gstPlayerClient)
181 : {
182 3 : firebolt::rialto::QosInfo qosInfo = {processed, dropped};
183 : const gchar *klass;
184 3 : klass = m_gstWrapper->gstElementClassGetMetadata(GST_ELEMENT_GET_CLASS(GST_MESSAGE_SRC(m_message)),
185 : GST_ELEMENT_METADATA_KLASS);
186 :
187 3 : if (g_strrstr(klass, "Video"))
188 : {
189 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::VIDEO, qosInfo);
190 : }
191 2 : else if (g_strrstr(klass, "Audio"))
192 : {
193 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::AUDIO, qosInfo);
194 : }
195 : else
196 : {
197 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for class '%s', ignoring QOS Message", klass);
198 : }
199 : }
200 3 : }
201 : else
202 : {
203 1 : RIALTO_SERVER_LOG_WARN("Received a QOS_MESSAGE with unhandled format %s",
204 : m_gstWrapper->gstFormatGetName(format));
205 : }
206 4 : break;
207 : }
208 6 : case GST_MESSAGE_ERROR:
209 : {
210 6 : GError *err = nullptr;
211 6 : gchar *debug = nullptr;
212 6 : m_gstWrapper->gstMessageParseError(m_message, &err, &debug);
213 :
214 6 : if ((err->domain == GST_STREAM_ERROR) && (allSourcesEos()))
215 : {
216 2 : RIALTO_SERVER_LOG_WARN("Got stream error from %s. But all streams are ended, so reporting EOS. Error code "
217 : "%d: %s "
218 : "(%s).",
219 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
220 2 : if (!m_context.eosNotified && m_gstPlayerClient)
221 : {
222 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
223 1 : m_context.eosNotified = true;
224 : }
225 : }
226 : else
227 : {
228 4 : RIALTO_SERVER_LOG_ERROR("Error from %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
229 : err->code, err->message, debug);
230 4 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::FAILURE);
231 : }
232 :
233 6 : m_glibWrapper->gFree(debug);
234 6 : m_glibWrapper->gErrorFree(err);
235 6 : break;
236 : }
237 4 : case GST_MESSAGE_WARNING:
238 : {
239 4 : PlaybackError rialtoError = PlaybackError::UNKNOWN;
240 4 : GError *err = nullptr;
241 4 : gchar *debug = nullptr;
242 4 : m_gstWrapper->gstMessageParseWarning(m_message, &err, &debug);
243 :
244 4 : if ((err->domain == GST_STREAM_ERROR) && (err->code == GST_STREAM_ERROR_DECRYPT))
245 : {
246 3 : RIALTO_SERVER_LOG_WARN("Decrypt error %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
247 : err->code, err->message, debug);
248 3 : rialtoError = PlaybackError::DECRYPTION;
249 : }
250 : else
251 : {
252 1 : RIALTO_SERVER_LOG_WARN("Unknown warning, ignoring %s - %d: %s (%s)",
253 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
254 : }
255 :
256 4 : if ((PlaybackError::UNKNOWN != rialtoError) && (m_gstPlayerClient))
257 : {
258 3 : const gchar *kName = GST_ELEMENT_NAME(GST_ELEMENT(GST_MESSAGE_SRC(m_message)));
259 3 : if (g_strrstr(kName, "video"))
260 : {
261 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::VIDEO,
262 : PlaybackError::DECRYPTION);
263 : }
264 2 : else if (g_strrstr(kName, "audio"))
265 : {
266 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::AUDIO,
267 : PlaybackError::DECRYPTION);
268 : }
269 : else
270 : {
271 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for element '%s', not propagating error", kName);
272 : }
273 : }
274 :
275 4 : m_glibWrapper->gFree(debug);
276 4 : m_glibWrapper->gErrorFree(err);
277 4 : break;
278 : }
279 1 : default:
280 1 : break;
281 : }
282 :
283 35 : m_gstWrapper->gstMessageUnref(m_message);
284 : }
285 :
286 4 : bool HandleBusMessage::allSourcesEos() const
287 : {
288 8 : for (const auto &streamInfo : m_context.streamInfo)
289 : {
290 6 : const auto eosInfoIt = m_context.endOfStreamInfo.find(streamInfo.first);
291 6 : if (eosInfoIt == m_context.endOfStreamInfo.end() || eosInfoIt->second != EosState::SET)
292 : {
293 2 : return false;
294 : }
295 : }
296 2 : return true;
297 : }
298 : } // namespace firebolt::rialto::server::tasks::generic
|
