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