Line data Source code
1 : /*
2 : * Copyright (C) 2025 Sky UK
3 : *
4 : * This library is free software; you can redistribute it and/or
5 : * modify it under the terms of the GNU Lesser General Public
6 : * License as published by the Free Software Foundation;
7 : * version 2.1 of the License.
8 : *
9 : * This library is distributed in the hope that it will be useful,
10 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 : * Lesser General Public License for more details.
13 : *
14 : * You should have received a copy of the GNU Lesser General Public
15 : * License along with this library; if not, write to the Free Software
16 : * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 : */
18 :
19 : #include "PullModeVideoPlaybackDelegate.h"
20 : #include "GStreamerEMEUtils.h"
21 : #include "GStreamerMSEUtils.h"
22 : #include "GstreamerCatLog.h"
23 :
24 : #define GST_CAT_DEFAULT rialtoGStreamerCat
25 :
26 112 : PullModeVideoPlaybackDelegate::PullModeVideoPlaybackDelegate(GstElement *sink) : PullModePlaybackDelegate(sink)
27 : {
28 56 : m_mediaSourceType = firebolt::rialto::MediaSourceType::VIDEO;
29 56 : m_isAsync = true;
30 : }
31 :
32 170 : GstStateChangeReturn PullModeVideoPlaybackDelegate::changeState(GstStateChange transition)
33 : {
34 170 : switch (transition)
35 : {
36 29 : case GST_STATE_CHANGE_READY_TO_PAUSED:
37 : {
38 29 : if (!attachToMediaClientAndSetStreamsNumber(m_maxWidth, m_maxHeight))
39 : {
40 1 : return GST_STATE_CHANGE_FAILURE;
41 : }
42 :
43 28 : std::shared_ptr<GStreamerMSEMediaPlayerClient> client = m_mediaPlayerManager.getMediaPlayerClient();
44 28 : if (!client)
45 : {
46 0 : GST_ERROR_OBJECT(m_sink, "MediaPlayerClient is nullptr");
47 0 : return GST_STATE_CHANGE_FAILURE;
48 : }
49 :
50 28 : std::unique_lock lock{m_propertyMutex};
51 28 : if (m_rectangleSettingQueued)
52 : {
53 1 : GST_DEBUG_OBJECT(m_sink, "Set queued video rectangle");
54 1 : m_rectangleSettingQueued = false;
55 1 : client->setVideoRectangle(m_videoRectangle);
56 : }
57 28 : break;
58 56 : }
59 141 : default:
60 141 : break;
61 : }
62 169 : return PullModePlaybackDelegate::changeState(transition);
63 : }
64 :
65 30 : gboolean PullModeVideoPlaybackDelegate::handleEvent(GstPad *pad, GstObject *parent, GstEvent *event)
66 : {
67 30 : switch (GST_EVENT_TYPE(event))
68 : {
69 29 : case GST_EVENT_CAPS:
70 : {
71 29 : GstCaps *caps{nullptr};
72 29 : gst_event_parse_caps(event, &caps);
73 29 : if (m_sourceAttached)
74 : {
75 1 : GST_INFO_OBJECT(m_sink, "Source already attached. Skip calling attachSource");
76 1 : break;
77 : }
78 :
79 28 : GST_INFO_OBJECT(m_sink, "Attaching VIDEO source with caps %" GST_PTR_FORMAT, caps);
80 :
81 28 : std::unique_ptr<firebolt::rialto::IMediaPipeline::MediaSource> vsource = createMediaSource(caps);
82 28 : if (vsource)
83 : {
84 28 : std::shared_ptr<GStreamerMSEMediaPlayerClient> client = m_mediaPlayerManager.getMediaPlayerClient();
85 28 : if ((!client) || (!client->attachSource(vsource, RIALTO_MSE_BASE_SINK(m_sink), shared_from_this())))
86 : {
87 1 : GST_ERROR_OBJECT(m_sink, "Failed to attach VIDEO source");
88 : }
89 : else
90 : {
91 27 : m_sourceAttached = true;
92 :
93 : // check if READY -> PAUSED was requested before source was attached
94 27 : if (GST_STATE_NEXT(m_sink) == GST_STATE_PAUSED)
95 : {
96 27 : client->pause(m_sourceId);
97 : }
98 27 : std::unique_lock lock{m_propertyMutex};
99 27 : if (m_immediateOutputQueued)
100 : {
101 1 : GST_DEBUG_OBJECT(m_sink, "Set queued immediate-output");
102 1 : m_immediateOutputQueued = false;
103 1 : if (!client->setImmediateOutput(m_sourceId, m_immediateOutput))
104 : {
105 0 : GST_ERROR_OBJECT(m_sink, "Could not set immediate-output");
106 : }
107 : }
108 27 : if (m_syncmodeStreamingQueued)
109 : {
110 2 : GST_DEBUG_OBJECT(m_sink, "Set queued syncmode-streaming");
111 2 : m_syncmodeStreamingQueued = false;
112 2 : if (!client->setStreamSyncMode(m_sourceId, m_syncmodeStreaming))
113 : {
114 1 : GST_ERROR_OBJECT(m_sink, "Could not set syncmode-streaming");
115 : }
116 : }
117 27 : if (m_videoMuteQueued)
118 : {
119 1 : GST_DEBUG_OBJECT(m_sink, "Set queued show-video-window");
120 1 : m_videoMuteQueued = false;
121 1 : client->setMute(m_videoMute, m_sourceId);
122 : }
123 27 : }
124 28 : }
125 : else
126 : {
127 0 : GST_ERROR_OBJECT(m_sink, "Failed to create VIDEO source");
128 : }
129 :
130 28 : break;
131 : }
132 1 : default:
133 1 : break;
134 : }
135 30 : return PullModePlaybackDelegate::handleEvent(pad, parent, event);
136 : }
137 :
138 13 : void PullModeVideoPlaybackDelegate::getProperty(const Property &type, GValue *value)
139 : {
140 13 : switch (type)
141 : {
142 5 : case Property::WindowSet:
143 : {
144 5 : std::unique_lock lock{m_propertyMutex};
145 5 : auto client = m_mediaPlayerManager.getMediaPlayerClient();
146 5 : if (!client)
147 : {
148 : // Return the default value and
149 : // queue a setting event (for the default value) so that it will become true when
150 : // the client connects...
151 2 : GST_DEBUG_OBJECT(m_sink, "Return default rectangle setting, and queue an event to set the default upon "
152 : "client connect");
153 2 : m_rectangleSettingQueued = true;
154 2 : g_value_set_string(value, m_videoRectangle.c_str());
155 : }
156 : else
157 : {
158 3 : lock.unlock();
159 3 : g_value_set_string(value, client->getVideoRectangle().c_str());
160 : }
161 5 : break;
162 : }
163 2 : case Property::MaxVideoWidth:
164 : {
165 2 : g_value_set_uint(value, m_maxWidth);
166 2 : break;
167 : }
168 2 : case Property::MaxVideoHeight:
169 : {
170 2 : g_value_set_uint(value, m_maxHeight);
171 2 : break;
172 : }
173 1 : case Property::FrameStepOnPreroll:
174 : {
175 1 : g_value_set_boolean(value, m_stepOnPrerollEnabled);
176 1 : break;
177 : }
178 3 : case Property::ImmediateOutput:
179 : {
180 3 : std::unique_lock lock{m_propertyMutex};
181 3 : auto client = m_mediaPlayerManager.getMediaPlayerClient();
182 3 : if (!client)
183 : {
184 : // Return the default value and
185 : // queue a setting event (for the default value) so that it will become true when
186 : // the client connects...
187 1 : GST_DEBUG_OBJECT(m_sink, "Return default immediate-output setting, and queue an event to set the default "
188 : "upon client connect");
189 1 : m_immediateOutputQueued = true;
190 1 : g_value_set_boolean(value, m_immediateOutput);
191 : }
192 : else
193 : {
194 2 : bool immediateOutput{m_immediateOutput};
195 2 : lock.unlock();
196 2 : if (!client->getImmediateOutput(m_sourceId, immediateOutput))
197 : {
198 1 : GST_ERROR_OBJECT(m_sink, "Could not get immediate-output");
199 : }
200 2 : g_value_set_boolean(value, immediateOutput);
201 : }
202 3 : break;
203 : }
204 0 : default:
205 : {
206 0 : PullModePlaybackDelegate::getProperty(type, value);
207 0 : break;
208 : }
209 : }
210 13 : }
211 :
212 81 : void PullModeVideoPlaybackDelegate::setProperty(const Property &type, const GValue *value)
213 : {
214 81 : std::shared_ptr<GStreamerMSEMediaPlayerClient> client = m_mediaPlayerManager.getMediaPlayerClient();
215 81 : switch (type)
216 : {
217 4 : case Property::WindowSet:
218 : {
219 4 : const gchar *rectangle = g_value_get_string(value);
220 4 : if (!rectangle)
221 : {
222 1 : GST_WARNING_OBJECT(m_sink, "Rectangle string not valid");
223 1 : break;
224 : }
225 6 : std::string videoRectangle{rectangle};
226 3 : std::unique_lock lock{m_propertyMutex};
227 3 : m_videoRectangle = videoRectangle;
228 3 : if (!client)
229 : {
230 2 : GST_DEBUG_OBJECT(m_sink, "Rectangle setting enqueued");
231 2 : m_rectangleSettingQueued = true;
232 : }
233 : else
234 : {
235 1 : lock.unlock();
236 1 : client->setVideoRectangle(videoRectangle);
237 : }
238 3 : break;
239 : }
240 2 : case Property::MaxVideoWidth:
241 2 : m_maxWidth = g_value_get_uint(value);
242 2 : break;
243 2 : case Property::MaxVideoHeight:
244 2 : m_maxHeight = g_value_get_uint(value);
245 2 : break;
246 5 : case Property::FrameStepOnPreroll:
247 : {
248 5 : bool stepOnPrerollEnabled = g_value_get_boolean(value);
249 5 : if (client && stepOnPrerollEnabled && !m_stepOnPrerollEnabled)
250 : {
251 2 : GST_INFO_OBJECT(m_sink, "Frame stepping on preroll");
252 2 : client->renderFrame(m_sourceId);
253 : }
254 5 : m_stepOnPrerollEnabled = stepOnPrerollEnabled;
255 5 : break;
256 : }
257 4 : case Property::ImmediateOutput:
258 : {
259 4 : bool immediateOutput = (g_value_get_boolean(value) != FALSE);
260 4 : std::unique_lock lock{m_propertyMutex};
261 4 : m_immediateOutput = immediateOutput;
262 4 : if (!client)
263 : {
264 2 : GST_DEBUG_OBJECT(m_sink, "Immediate output setting enqueued");
265 2 : m_immediateOutputQueued = true;
266 : }
267 : else
268 : {
269 2 : lock.unlock();
270 2 : if (!client->setImmediateOutput(m_sourceId, immediateOutput))
271 : {
272 1 : GST_ERROR_OBJECT(m_sink, "Could not set immediate-output");
273 : }
274 : }
275 4 : break;
276 : }
277 4 : case Property::SyncmodeStreaming:
278 : {
279 4 : bool syncmodeStreaming = (g_value_get_boolean(value) != FALSE);
280 4 : std::unique_lock lock{m_propertyMutex};
281 4 : m_syncmodeStreaming = syncmodeStreaming;
282 4 : if (!client)
283 : {
284 2 : GST_DEBUG_OBJECT(m_sink, "Syncmode streaming setting enqueued");
285 2 : m_syncmodeStreamingQueued = true;
286 : }
287 : else
288 : {
289 2 : lock.unlock();
290 2 : if (!client->setStreamSyncMode(m_sourceId, syncmodeStreaming))
291 : {
292 1 : GST_ERROR_OBJECT(m_sink, "Could not set syncmode-streaming");
293 : }
294 : }
295 4 : break;
296 : }
297 2 : case Property::ShowVideoWindow:
298 : {
299 2 : bool videoMute = (g_value_get_boolean(value) == FALSE);
300 2 : std::unique_lock lock{m_propertyMutex};
301 2 : m_videoMute = videoMute;
302 2 : if (!client || !m_sourceAttached)
303 : {
304 1 : GST_DEBUG_OBJECT(m_sink, "Show video window setting enqueued");
305 1 : m_videoMuteQueued = true;
306 : }
307 : else
308 : {
309 1 : lock.unlock();
310 1 : client->setMute(videoMute, m_sourceId);
311 : }
312 2 : break;
313 : }
314 58 : default:
315 : {
316 58 : PullModePlaybackDelegate::setProperty(type, value);
317 58 : break;
318 : }
319 : }
320 81 : }
321 :
322 1 : void PullModeVideoPlaybackDelegate::handleQos(uint64_t processed, uint64_t dropped) const
323 : {
324 1 : GstBus *bus = gst_element_get_bus(m_sink);
325 : /* Hardcode isLive to FALSE and set invalid timestamps */
326 1 : GstMessage *message = gst_message_new_qos(GST_OBJECT(m_sink), FALSE, GST_CLOCK_TIME_NONE, GST_CLOCK_TIME_NONE,
327 : GST_CLOCK_TIME_NONE, GST_CLOCK_TIME_NONE);
328 :
329 1 : gst_message_set_qos_stats(message, GST_FORMAT_BUFFERS, processed, dropped);
330 1 : gst_bus_post(bus, message);
331 1 : gst_object_unref(bus);
332 : }
333 :
334 : std::unique_ptr<firebolt::rialto::IMediaPipeline::MediaSource>
335 28 : PullModeVideoPlaybackDelegate::createMediaSource(GstCaps *caps) const
336 : {
337 28 : GstStructure *structure = gst_caps_get_structure(caps, 0);
338 28 : const gchar *strct_name = gst_structure_get_name(structure);
339 :
340 28 : firebolt::rialto::SegmentAlignment alignment = get_segment_alignment(structure);
341 28 : std::shared_ptr<firebolt::rialto::CodecData> codecData = get_codec_data(structure);
342 28 : firebolt::rialto::StreamFormat format = get_stream_format(structure);
343 :
344 28 : gint width{0};
345 28 : gint height{0};
346 28 : gst_structure_get_int(structure, "width", &width);
347 28 : gst_structure_get_int(structure, "height", &height);
348 :
349 28 : if (strct_name)
350 : {
351 28 : std::string mimeType{};
352 28 : if (g_str_has_prefix(strct_name, "video/x-h264"))
353 : {
354 23 : mimeType = "video/h264";
355 : }
356 5 : else if (g_str_has_prefix(strct_name, "video/x-h265"))
357 : {
358 4 : mimeType = "video/h265";
359 :
360 4 : uint32_t dolbyVisionProfile{0};
361 4 : if (get_dv_profile(structure, dolbyVisionProfile))
362 : {
363 1 : return std::make_unique<firebolt::rialto::IMediaPipeline::MediaSourceVideoDolbyVision>(mimeType,
364 : dolbyVisionProfile,
365 1 : m_hasDrm, width,
366 : height, alignment,
367 1 : format, codecData);
368 : }
369 : }
370 : else
371 : {
372 1 : mimeType = strct_name;
373 : }
374 :
375 27 : GST_INFO_OBJECT(m_sink, "%s video media source created", mimeType.c_str());
376 54 : return std::make_unique<firebolt::rialto::IMediaPipeline::MediaSourceVideo>(mimeType, m_hasDrm, width, height,
377 27 : alignment, format, codecData);
378 28 : }
379 : else
380 : {
381 0 : GST_ERROR_OBJECT(m_sink,
382 : "Empty caps' structure name! Failed to set mime type when constructing video media source");
383 : }
384 :
385 0 : return nullptr;
386 28 : }
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