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player_stub.cpp
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1 /*
2  * Copyright © 2013-2014 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY {} without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Thomas Voß <thomas.voss@canonical.com>
17  */
18 
19 #include <core/media/service.h>
20 #include <core/media/track_list.h>
21 
22 #include "codec.h"
23 #include "player_stub.h"
24 #include "player_traits.h"
25 #include "property_stub.h"
26 #include "the_session_bus.h"
27 #include "track_list_stub.h"
28 
29 #include "mpris/player.h"
30 
31 #include <core/dbus/property.h>
32 #include <core/dbus/types/object_path.h>
33 
34 // Hybris
35 #include <hybris/media/media_codec_layer.h>
36 #include <hybris/media/surface_texture_client_hybris.h>
37 
38 #include <limits>
39 
40 #define UNUSED __attribute__((unused))
41 
42 namespace dbus = core::dbus;
43 namespace media = core::ubuntu::media;
44 
46 {
47  Private(const std::shared_ptr<Service>& parent,
48  const std::shared_ptr<dbus::Service>& remote,
49  const dbus::types::ObjectPath& path
50  ) : parent(parent),
51  texture_id(0),
52  igbc_wrapper(nullptr),
53  glc_wrapper(nullptr),
54  decoding_session(decoding_service_create_session()),
55  frame_available_cb(nullptr),
56  frame_available_context(nullptr),
57  path(path),
58  object(remote->object_for_path(path)),
60  {
61  object->get_property<mpris::Player::Properties::CanPlay>(),
62  object->get_property<mpris::Player::Properties::CanPause>(),
63  object->get_property<mpris::Player::Properties::CanSeek>(),
64  object->get_property<mpris::Player::Properties::CanControl>(),
65  object->get_property<mpris::Player::Properties::CanGoNext>(),
66  object->get_property<mpris::Player::Properties::CanGoPrevious>(),
67  object->get_property<mpris::Player::Properties::IsVideoSource>(),
68  object->get_property<mpris::Player::Properties::IsAudioSource>(),
69  object->get_property<mpris::Player::Properties::PlaybackStatus>(),
70  object->get_property<mpris::Player::Properties::LoopStatus>(),
71  object->get_property<mpris::Player::Properties::PlaybackRate>(),
72  object->get_property<mpris::Player::Properties::Shuffle>(),
73  object->get_property<mpris::Player::Properties::MetaData>(),
74  object->get_property<mpris::Player::Properties::Volume>(),
75  object->get_property<mpris::Player::Properties::Position>(),
76  object->get_property<mpris::Player::Properties::Duration>(),
77  object->get_property<mpris::Player::Properties::MinimumRate>(),
78  object->get_property<mpris::Player::Properties::MaximumRate>()
79  },
80  signals
81  {
82  object->get_signal<mpris::Player::Signals::Seeked>(),
83  object->get_signal<mpris::Player::Signals::EndOfStream>(),
84  object->get_signal<mpris::Player::Signals::PlaybackStatusChanged>()
85  }
86  {
87  }
88 
90  {
91  }
92 
93  static void on_frame_available_cb(UNUSED GLConsumerWrapperHybris wrapper, void *context)
94  {
95  if (context != nullptr) {
96  Private *p = static_cast<Private*>(context);
97  p->on_frame_available();
98  }
99  else
100  std::cout << "context is nullptr, can't call on_frame_available()" << std::endl;
101  }
102 
104  {
105  if (frame_available_cb != nullptr) {
107  }
108  else
109  std::cout << "frame_available_cb is nullptr, can't call frame_available_cb()" << std::endl;
110  }
111 
112  void set_frame_available_cb(FrameAvailableCb cb, void *context)
113  {
114  frame_available_cb = cb;
115  frame_available_context = context;
116 
117  gl_consumer_set_frame_available_cb(glc_wrapper, &Private::on_frame_available_cb, static_cast<void*>(this));
118  }
119 
123  {
124  igbc_wrapper = decoding_service_get_igraphicbufferconsumer();
125  glc_wrapper = gl_consumer_create_by_id_with_igbc(texture_id, igbc_wrapper);
126 
127  }
128 
129  std::shared_ptr<Service> parent;
130  std::shared_ptr<TrackList> track_list;
131 
132  uint32_t texture_id;
133  IGBCWrapperHybris igbc_wrapper;
134  GLConsumerWrapperHybris glc_wrapper;
135 
136  DSSessionWrapperHybris decoding_session;
137 
138  FrameAvailableCb frame_available_cb;
140 
141  dbus::Bus::Ptr bus;
142  dbus::types::ObjectPath path;
143  dbus::Object::Ptr object;
144 
145  struct
146  {
147  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanPlay>> can_play;
148  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanPause>> can_pause;
149  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanSeek>> can_seek;
150  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanControl>> can_control;
151  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanGoNext>> can_go_next;
152  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::CanGoPrevious>> can_go_previous;
153  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::IsVideoSource>> is_video_source;
154  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::IsAudioSource>> is_audio_source;
155 
156  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::PlaybackStatus>> playback_status;
157  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::LoopStatus>> loop_status;
158  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::PlaybackRate>> playback_rate;
159  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Shuffle>> is_shuffle;
160  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::MetaData>> meta_data_for_current_track;
161  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Volume>> volume;
162  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Position>> position;
163  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::Duration>> duration;
164  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::MinimumRate>> minimum_playback_rate;
165  std::shared_ptr<core::dbus::Property<mpris::Player::Properties::MaximumRate>> maximum_playback_rate;
166  } properties;
167 
168  struct Signals
169  {
170  typedef core::dbus::Signal<mpris::Player::Signals::Seeked, mpris::Player::Signals::Seeked::ArgumentType> DBusSeekedToSignal;
171  typedef core::dbus::Signal<mpris::Player::Signals::EndOfStream, mpris::Player::Signals::EndOfStream::ArgumentType> DBusEndOfStreamSignal;
172  typedef core::dbus::Signal<mpris::Player::Signals::PlaybackStatusChanged, mpris::Player::Signals::PlaybackStatusChanged::ArgumentType> DBusPlaybackStatusChangedSignal;
173 
174  Signals(const std::shared_ptr<DBusSeekedToSignal>& seeked,
175  const std::shared_ptr<DBusEndOfStreamSignal>& eos,
176  const std::shared_ptr<DBusPlaybackStatusChangedSignal>& status)
177  : dbus
178  {
179  seeked,
180  eos,
181  status
182  },
183  playback_complete_cb(nullptr),
184  playback_complete_context(nullptr),
185  seeked_to(),
186  end_of_stream(),
188  {
189  dbus.seeked_to->connect([this](std::uint64_t value)
190  {
191  std::cout << "seeked_to signal arrived via the bus." << std::endl;
192  seeked_to(value);
193  });
194 
195  dbus.end_of_stream->connect([this]()
196  {
197  std::cout << "EndOfStream signal arrived via the bus." << std::endl;
200  end_of_stream();
201  });
202 
203  dbus.playback_status_changed->connect([this](const media::Player::PlaybackStatus& status)
204  {
205  std::cout << "PlaybackStatusChanged signal arrived via the bus." << std::endl;
206  playback_status_changed(status);
207  });
208  }
209 
210  struct DBus
211  {
212  std::shared_ptr<DBusSeekedToSignal> seeked_to;
213  std::shared_ptr<DBusEndOfStreamSignal> end_of_stream;
214  std::shared_ptr<DBusPlaybackStatusChangedSignal> playback_status_changed;
215  } dbus;
216 
217  void set_playback_complete_cb(PlaybackCompleteCb cb, void *context)
218  {
220  playback_complete_context = context;
221  }
222 
223  PlaybackCompleteCb playback_complete_cb;
225  core::Signal<uint64_t> seeked_to;
226  core::Signal<void> end_of_stream;
227  core::Signal<media::Player::PlaybackStatus> playback_status_changed;
228  } signals;
229 };
230 
232  const std::shared_ptr<Service>& parent,
233  const dbus::types::ObjectPath& object_path)
234  : dbus::Stub<Player>(the_session_bus()),
235  d(new Private{parent, access_service(), object_path})
236 {
237  auto bus = the_session_bus();
238  worker = std::move(std::thread([bus]()
239  {
240  bus->run();
241  }));
242 }
243 
245 {
246  auto bus = the_session_bus();
247  bus->stop();
248 
249  if (worker.joinable())
250  worker.join();
251 }
252 
253 std::shared_ptr<media::TrackList> media::PlayerStub::track_list()
254 {
255  if (!d->track_list)
256  {
257  d->track_list = std::make_shared<media::TrackListStub>(
258  shared_from_this(),
259  dbus::types::ObjectPath(d->path.as_string() + "/TrackList"));
260  }
261  return d->track_list;
262 }
263 
265 {
266  auto op = d->object->invoke_method_synchronously<mpris::Player::Key, media::Player::PlayerKey>();
267 
268  return op.value();
269 }
270 
272 {
273  auto op = d->object->invoke_method_synchronously<mpris::Player::OpenUri, bool>(uri);
274 
275  return op.value();
276 }
277 
278 void media::PlayerStub::create_video_sink(uint32_t texture_id)
279 {
280  auto op = d->object->invoke_method_synchronously<mpris::Player::CreateVideoSink, void>(texture_id);
281  d->texture_id = texture_id;
282  d->get_gl_consumer();
283 
284  if (op.is_error())
285  throw std::runtime_error("Problem creating new video sink instance on remote object");
286 }
287 
288 GLConsumerWrapperHybris media::PlayerStub::gl_consumer() const
289 {
290  return d->glc_wrapper;
291 }
292 
294 {
295  auto op = d->object->invoke_method_synchronously<mpris::Player::Next, void>();
296 
297  if (op.is_error())
298  throw std::runtime_error("Problem switching to next track on remote object");
299 }
300 
302 {
303  auto op = d->object->invoke_method_synchronously<mpris::Player::Previous, void>();
304 
305  if (op.is_error())
306  throw std::runtime_error("Problem switching to previous track on remote object");
307 }
308 
310 {
311  auto op = d->object->invoke_method_synchronously<mpris::Player::Play, void>();
312 
313  if (op.is_error())
314  throw std::runtime_error("Problem starting playback on remote object");
315 }
316 
318 {
319  auto op = d->object->invoke_method_synchronously<mpris::Player::Pause, void>();
320 
321  if (op.is_error())
322  throw std::runtime_error("Problem pausing playback on remote object");
323 }
324 
325 void media::PlayerStub::seek_to(const std::chrono::microseconds& offset)
326 {
327  auto op = d->object->invoke_method_synchronously<mpris::Player::Seek, void, uint64_t>(offset.count());
328 
329  if (op.is_error())
330  throw std::runtime_error("Problem seeking on remote object");
331 }
332 
334 {
335  auto op = d->object->invoke_method_synchronously<mpris::Player::Stop, void>();
336 
337  if (op.is_error())
338  throw std::runtime_error("Problem stopping playback on remote object");
339 }
340 
341 void media::PlayerStub::set_frame_available_callback(FrameAvailableCb cb, void *context)
342 {
343  d->set_frame_available_cb(cb, context);
344 }
345 
346 void media::PlayerStub::set_playback_complete_callback(PlaybackCompleteCb cb, void *context)
347 {
348  d->signals.set_playback_complete_cb(cb, context);
349 }
350 
351 const core::Property<bool>& media::PlayerStub::can_play() const
352 {
353  return *d->properties.can_play;
354 }
355 
356 const core::Property<bool>& media::PlayerStub::can_pause() const
357 {
358  return *d->properties.can_pause;
359 }
360 
361 const core::Property<bool>& media::PlayerStub::can_seek() const
362 {
363  return *d->properties.can_seek;
364 }
365 
366 const core::Property<bool>& media::PlayerStub::can_go_previous() const
367 {
368  return *d->properties.can_go_previous;
369 }
370 
371 const core::Property<bool>& media::PlayerStub::can_go_next() const
372 {
373  return *d->properties.can_go_next;
374 }
375 
376 const core::Property<bool>& media::PlayerStub::is_video_source() const
377 {
378  return *d->properties.is_video_source;
379 }
380 
381 const core::Property<bool>& media::PlayerStub::is_audio_source() const
382 {
383  return *d->properties.is_audio_source;
384 }
385 
386 const core::Property<media::Player::PlaybackStatus>& media::PlayerStub::playback_status() const
387 {
388  return *d->properties.playback_status;
389 }
390 
391 const core::Property<media::Player::LoopStatus>& media::PlayerStub::loop_status() const
392 {
393  return *d->properties.loop_status;
394 }
395 
396 const core::Property<media::Player::PlaybackRate>& media::PlayerStub::playback_rate() const
397 {
398  return *d->properties.playback_rate;
399 }
400 
401 const core::Property<bool>& media::PlayerStub::is_shuffle() const
402 {
403  return *d->properties.is_shuffle;
404 }
405 
406 const core::Property<media::Track::MetaData>& media::PlayerStub::meta_data_for_current_track() const
407 {
408  return *d->properties.meta_data_for_current_track;
409 }
410 
411 const core::Property<media::Player::Volume>& media::PlayerStub::volume() const
412 {
413  return *d->properties.volume;
414 }
415 
416 const core::Property<uint64_t>& media::PlayerStub::position() const
417 {
418  return *d->properties.position;
419 }
420 
421 const core::Property<uint64_t>& media::PlayerStub::duration() const
422 {
423  return *d->properties.duration;
424 }
425 
426 const core::Property<media::Player::PlaybackRate>& media::PlayerStub::minimum_playback_rate() const
427 {
428  return *d->properties.minimum_playback_rate;
429 }
430 
431 const core::Property<media::Player::PlaybackRate>& media::PlayerStub::maximum_playback_rate() const
432 {
433  return *d->properties.maximum_playback_rate;
434 }
435 
436 core::Property<media::Player::LoopStatus>& media::PlayerStub::loop_status()
437 {
438  return *d->properties.loop_status;
439 }
440 
441 core::Property<media::Player::PlaybackRate>& media::PlayerStub::playback_rate()
442 {
443  return *d->properties.playback_rate;
444 }
445 
446 core::Property<bool>& media::PlayerStub::is_shuffle()
447 {
448  return *d->properties.is_shuffle;
449 }
450 
451 core::Property<media::Player::Volume>& media::PlayerStub::volume()
452 {
453  return *d->properties.volume;
454 }
455 
456 const core::Signal<uint64_t>& media::PlayerStub::seeked_to() const
457 {
458  return d->signals.seeked_to;
459 }
460 
461 const core::Signal<void>& media::PlayerStub::end_of_stream() const
462 {
463  return d->signals.end_of_stream;
464 }
465 
466 core::Signal<media::Player::PlaybackStatus>& media::PlayerStub::playback_status_changed()
467 {
468  return d->signals.playback_status_changed;
469 }
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanPlay > > can_play
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanControl > > can_control
IGBCWrapperHybris igbc_wrapper
std::shared_ptr< DBusEndOfStreamSignal > end_of_stream
void set_frame_available_cb(FrameAvailableCb cb, void *context)
virtual void create_video_sink(uint32_t texture_id)
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::LoopStatus > > loop_status
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::IsAudioSource > > is_audio_source
core::dbus::Bus::Ptr the_session_bus()
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::MinimumRate > > minimum_playback_rate
virtual const core::Property< bool > & is_video_source() const
struct media::PlayerStub::Private::Signals signals
virtual const core::Signal< void > & end_of_stream() const
core::Signal< void > end_of_stream
static void on_frame_available_cb(UNUSED GLConsumerWrapperHybris wrapper, void *context)
Definition: player_stub.cpp:93
Private(const std::shared_ptr< Service > &parent, const std::shared_ptr< dbus::Service > &remote, const dbus::types::ObjectPath &path)
Definition: player_stub.cpp:47
dbus::Object::Ptr object
std::shared_ptr< DBusSeekedToSignal > seeked_to
virtual const core::Property< bool > & is_audio_source() const
core::dbus::Signal< mpris::Player::Signals::EndOfStream, mpris::Player::Signals::EndOfStream::ArgumentType > DBusEndOfStreamSignal
std::shared_ptr< Service > parent
virtual const core::Property< bool > & can_pause() const
GLConsumerWrapperHybris glc_wrapper
virtual const core::Property< Volume > & volume() const
virtual void set_playback_complete_callback(PlaybackCompleteCb cb, void *context)
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::PlaybackStatus > > playback_status
struct media::PlayerStub::Private::Signals::DBus dbus
virtual const core::Property< bool > & can_play() const
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::Volume > > volume
virtual GLConsumerWrapperHybris gl_consumer() const
PlayerStub(const std::shared_ptr< Service > &parent, const core::dbus::types::ObjectPath &object)
virtual const core::Signal< uint64_t > & seeked_to() const
virtual const core::Property< bool > & can_go_next() const
core::dbus::Signal< mpris::Player::Signals::Seeked, mpris::Player::Signals::Seeked::ArgumentType > DBusSeekedToSignal
virtual const core::Property< Track::MetaData > & meta_data_for_current_track() const
core::dbus::Signal< mpris::Player::Signals::PlaybackStatusChanged, mpris::Player::Signals::PlaybackStatusChanged::ArgumentType > DBusPlaybackStatusChangedSignal
virtual const core::Property< uint64_t > & duration() const
virtual const core::Property< bool > & is_shuffle() const
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanPause > > can_pause
dbus::types::ObjectPath path
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanGoPrevious > > can_go_previous
virtual core::Signal< PlaybackStatus > & playback_status_changed()
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::MetaData > > meta_data_for_current_track
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::Shuffle > > is_shuffle
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::Duration > > duration
std::shared_ptr< TrackList > track_list
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanSeek > > can_seek
DSSessionWrapperHybris decoding_session
virtual const core::Property< PlaybackStatus > & playback_status() const
virtual const core::Property< uint64_t > & position() const
virtual PlayerKey key() const
#define UNUSED
Definition: player_stub.cpp:40
virtual const core::Property< PlaybackRate > & minimum_playback_rate() const
virtual const core::Property< bool > & can_seek() const
virtual void set_frame_available_callback(FrameAvailableCb cb, void *context)
FrameAvailableCb frame_available_cb
virtual bool open_uri(const Track::UriType &uri)
std::string UriType
Definition: track.h:40
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::Position > > position
void set_playback_complete_cb(PlaybackCompleteCb cb, void *context)
PlaybackCompleteCb playback_complete_cb
virtual void seek_to(const std::chrono::microseconds &offset)
virtual std::shared_ptr< TrackList > track_list()
Signals(const std::shared_ptr< DBusSeekedToSignal > &seeked, const std::shared_ptr< DBusEndOfStreamSignal > &eos, const std::shared_ptr< DBusPlaybackStatusChangedSignal > &status)
core::Signal< uint64_t > seeked_to
struct media::PlayerStub::Private::@13 properties
std::shared_ptr< DBusPlaybackStatusChangedSignal > playback_status_changed
virtual const core::Property< PlaybackRate > & playback_rate() const
virtual const core::Property< bool > & can_go_previous() const
virtual const core::Property< PlaybackRate > & maximum_playback_rate() const
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::PlaybackRate > > playback_rate
core::Signal< media::Player::PlaybackStatus > playback_status_changed
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::MaximumRate > > maximum_playback_rate
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::IsVideoSource > > is_video_source
std::shared_ptr< core::dbus::Property< mpris::Player::Properties::CanGoNext > > can_go_next
virtual const core::Property< LoopStatus > & loop_status() const