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 12 : if (!m_gstPlayerClient)
63 : {
64 1 : break;
65 : }
66 11 : switch (newState)
67 : {
68 1 : case GST_STATE_NULL:
69 : {
70 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::STOPPED);
71 1 : break;
72 : }
73 5 : case GST_STATE_PAUSED:
74 : {
75 5 : if (pending != GST_STATE_PAUSED)
76 : {
77 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
78 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
79 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
80 4 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
81 : {
82 2 : RIALTO_SERVER_LOG_WARN("Skip PAUSED notification - flush is ongoing");
83 2 : break;
84 : }
85 : // newState==GST_STATE_PAUSED, pending==GST_STATE_PAUSED state transition is received as a result of
86 : // waiting for preroll after seek.
87 : // Subsequent newState==GST_STATE_PAUSED, pending!=GST_STATE_PAUSED transition will
88 : // indicate that the pipeline is prerolled and it reached GST_STATE_PAUSED state after seek.
89 2 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PAUSED);
90 : }
91 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
92 : {
93 0 : m_player.stopSubtitleClockResyncTimer();
94 : }
95 3 : break;
96 : }
97 5 : case GST_STATE_PLAYING:
98 : {
99 : // If async flush was requested before HandleBusMessage task creation (but it was not executed yet)
100 : // or if async flush was created after HandleBusMessage task creation (but before its execution)
101 : // we can't report playback state, because async flush causes state loss - reported state is probably invalid.
102 5 : if (m_isAsyncFlushOngoingDuringCreation || m_flushWatcher.isAsyncFlushOngoing())
103 : {
104 2 : RIALTO_SERVER_LOG_WARN("Skip PLAYING notification - flush is ongoing");
105 2 : break;
106 : }
107 :
108 3 : m_context.isPlaying = true;
109 3 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::PLAYING);
110 :
111 3 : if (m_context.pendingPlaybackRate != kNoPendingPlaybackRate)
112 : {
113 1 : m_player.setPendingPlaybackRate();
114 : }
115 3 : m_player.startPositionReportingAndCheckAudioUnderflowTimer();
116 3 : if (m_player.hasSourceType(MediaSourceType::SUBTITLE))
117 : {
118 0 : m_player.startSubtitleClockResyncTimer();
119 : }
120 3 : break;
121 : }
122 0 : case GST_STATE_VOID_PENDING:
123 : case GST_STATE_READY:
124 : {
125 0 : break;
126 : }
127 : }
128 22 : std::string filename = std::string(m_gstWrapper->gstElementStateGetName(oldState)) + "-" +
129 44 : std::string(m_gstWrapper->gstElementStateGetName(newState));
130 11 : m_gstWrapper->gstDebugBinToDotFileWithTs(GST_BIN(m_context.pipeline), GST_DEBUG_GRAPH_SHOW_ALL,
131 : filename.c_str());
132 : }
133 13 : break;
134 : }
135 6 : case GST_MESSAGE_EOS:
136 : {
137 : // If flush was requested before HandleBusMessage task creation (but it was not executed yet)
138 : // or if flush was created after HandleBusMessage task creation (but before its execution)
139 : // we can't report EOS, because flush clears EOS.
140 6 : if (m_isFlushOngoingDuringCreation || m_flushWatcher.isFlushOngoing())
141 : {
142 2 : RIALTO_SERVER_LOG_WARN("Skip EOS notification - flush is ongoing");
143 2 : break;
144 : }
145 4 : if (m_context.pipeline && GST_MESSAGE_SRC(m_message) == GST_OBJECT(m_context.pipeline))
146 : {
147 2 : RIALTO_SERVER_LOG_MIL("End of stream reached.");
148 2 : if (!m_context.eosNotified && m_gstPlayerClient)
149 : {
150 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
151 1 : m_context.eosNotified = true;
152 : }
153 : }
154 4 : break;
155 : }
156 4 : case GST_MESSAGE_QOS:
157 : {
158 : GstFormat format;
159 4 : gboolean isLive = FALSE;
160 4 : guint64 runningTime = 0;
161 4 : guint64 streamTime = 0;
162 4 : guint64 timestamp = 0;
163 4 : guint64 duration = 0;
164 4 : guint64 dropped = 0;
165 4 : guint64 processed = 0;
166 :
167 4 : m_gstWrapper->gstMessageParseQos(m_message, &isLive, &runningTime, &streamTime, ×tamp, &duration);
168 4 : m_gstWrapper->gstMessageParseQosStats(m_message, &format, &processed, &dropped);
169 :
170 4 : if (GST_FORMAT_BUFFERS == format || GST_FORMAT_DEFAULT == format)
171 : {
172 3 : RIALTO_SERVER_LOG_INFO("QOS message: runningTime %" G_GUINT64_FORMAT ", streamTime %" G_GUINT64_FORMAT
173 : ", timestamp %" G_GUINT64_FORMAT ", duration %" G_GUINT64_FORMAT
174 : ", format %u, processed %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
175 : runningTime, streamTime, timestamp, duration, format, processed, dropped);
176 :
177 3 : if (m_gstPlayerClient)
178 : {
179 3 : firebolt::rialto::QosInfo qosInfo = {processed, dropped};
180 : const gchar *klass;
181 3 : klass = m_gstWrapper->gstElementClassGetMetadata(GST_ELEMENT_GET_CLASS(GST_MESSAGE_SRC(m_message)),
182 : GST_ELEMENT_METADATA_KLASS);
183 :
184 3 : if (g_strrstr(klass, "Video"))
185 : {
186 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::VIDEO, qosInfo);
187 : }
188 2 : else if (g_strrstr(klass, "Audio"))
189 : {
190 1 : m_gstPlayerClient->notifyQos(firebolt::rialto::MediaSourceType::AUDIO, qosInfo);
191 : }
192 : else
193 : {
194 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for class '%s', ignoring QOS Message", klass);
195 : }
196 : }
197 3 : }
198 : else
199 : {
200 1 : RIALTO_SERVER_LOG_WARN("Received a QOS_MESSAGE with unhandled format %s",
201 : m_gstWrapper->gstFormatGetName(format));
202 : }
203 4 : break;
204 : }
205 6 : case GST_MESSAGE_ERROR:
206 : {
207 6 : GError *err = nullptr;
208 6 : gchar *debug = nullptr;
209 6 : m_gstWrapper->gstMessageParseError(m_message, &err, &debug);
210 :
211 6 : if ((err->domain == GST_STREAM_ERROR) && (allSourcesEos()))
212 : {
213 2 : RIALTO_SERVER_LOG_WARN("Got stream error from %s. But all streams are ended, so reporting EOS. Error code "
214 : "%d: %s "
215 : "(%s).",
216 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
217 2 : if (!m_context.eosNotified && m_gstPlayerClient)
218 : {
219 1 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::END_OF_STREAM);
220 1 : m_context.eosNotified = true;
221 : }
222 : }
223 : else
224 : {
225 4 : RIALTO_SERVER_LOG_ERROR("Error from %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
226 : err->code, err->message, debug);
227 4 : m_gstPlayerClient->notifyPlaybackState(PlaybackState::FAILURE);
228 : }
229 :
230 6 : m_glibWrapper->gFree(debug);
231 6 : m_glibWrapper->gErrorFree(err);
232 6 : break;
233 : }
234 4 : case GST_MESSAGE_WARNING:
235 : {
236 4 : PlaybackError rialtoError = PlaybackError::UNKNOWN;
237 4 : GError *err = nullptr;
238 4 : gchar *debug = nullptr;
239 4 : m_gstWrapper->gstMessageParseWarning(m_message, &err, &debug);
240 :
241 4 : if ((err->domain == GST_STREAM_ERROR) && (err->code == GST_STREAM_ERROR_DECRYPT))
242 : {
243 3 : RIALTO_SERVER_LOG_WARN("Decrypt error %s - %d: %s (%s)", GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)),
244 : err->code, err->message, debug);
245 3 : rialtoError = PlaybackError::DECRYPTION;
246 : }
247 : else
248 : {
249 1 : RIALTO_SERVER_LOG_WARN("Unknown warning, ignoring %s - %d: %s (%s)",
250 : GST_OBJECT_NAME(GST_MESSAGE_SRC(m_message)), err->code, err->message, debug);
251 : }
252 :
253 4 : if ((PlaybackError::UNKNOWN != rialtoError) && (m_gstPlayerClient))
254 : {
255 3 : const gchar *kName = GST_ELEMENT_NAME(GST_ELEMENT(GST_MESSAGE_SRC(m_message)));
256 3 : if (g_strrstr(kName, "video"))
257 : {
258 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::VIDEO,
259 : PlaybackError::DECRYPTION);
260 : }
261 2 : else if (g_strrstr(kName, "audio"))
262 : {
263 1 : m_gstPlayerClient->notifyPlaybackError(firebolt::rialto::MediaSourceType::AUDIO,
264 : PlaybackError::DECRYPTION);
265 : }
266 : else
267 : {
268 1 : RIALTO_SERVER_LOG_WARN("Unknown source type for element '%s', not propagating error", kName);
269 : }
270 : }
271 :
272 4 : m_glibWrapper->gFree(debug);
273 4 : m_glibWrapper->gErrorFree(err);
274 4 : break;
275 : }
276 1 : default:
277 1 : break;
278 : }
279 :
280 35 : m_gstWrapper->gstMessageUnref(m_message);
281 : }
282 :
283 4 : bool HandleBusMessage::allSourcesEos() const
284 : {
285 8 : for (const auto &streamInfo : m_context.streamInfo)
286 : {
287 6 : const auto eosInfoIt = m_context.endOfStreamInfo.find(streamInfo.first);
288 6 : if (eosInfoIt == m_context.endOfStreamInfo.end() || eosInfoIt->second != EosState::SET)
289 : {
290 2 : return false;
291 : }
292 : }
293 2 : return true;
294 : }
295 : } // namespace firebolt::rialto::server::tasks::generic
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