Enable video files overview in MediaView. Video restart supported.

Telegram/SourceFiles/media/media_audio.cpp

@@ -281,6 +281,7 @@ void AudioPlayer::AudioMsg::clear() {
 	nextBuffer = 0;
 
 	videoData = nullptr;
+	videoPlayId = 0;
 }
 
 AudioPlayer::AudioPlayer() : _audioCurrent(0), _songCurrent(0),
@@ -520,6 +521,24 @@ void AudioPlayer::playFromVideo(const AudioMsgId &audio, uint64 videoPlayId, std
 	if (stopped) emit updated(stopped);
 }
 
+void AudioPlayer::stopFromVideo(uint64 videoPlayId) {
+	AudioMsgId current;
+	{
+		QMutexLocker lock(&playerMutex);
+		auto data = dataForType(AudioMsgId::Type::Video);
+		t_assert(data != nullptr);
+
+		if (data->videoPlayId != videoPlayId) {
+			return;
+		}
+
+		current = data->audio;
+		fadedStop(AudioMsgId::Type::Video);
+		data->clear();
+	}
+	if (current) emit updated(current);
+}
+
 void AudioPlayer::feedFromVideo(VideoSoundPart &&part) {
 	_loader->feedFromVideo(std_::move(part));
 }

Telegram/SourceFiles/media/media_audio.h

@@ -72,6 +72,7 @@ public:
 	int64 getVideoCorrectedTime(uint64 playId, uint64 systemMs);
 	void videoSoundProgress(const AudioMsgId &audio);
 	AudioPlaybackState currentVideoState(uint64 videoPlayId);
+	void stopFromVideo(uint64 videoPlayId);
 
 	void stopAndClear();
 

Telegram/SourceFiles/media/media_clip_ffmpeg.cpp

@@ -36,7 +36,7 @@ FFMpegReaderImplementation::FFMpegReaderImplementation(FileLocation *location, Q
 	_packetNull.size = 0;
 }
 
-bool FFMpegReaderImplementation::readNextFrame() {
+ReaderImplementation::ReadResult FFMpegReaderImplementation::readNextFrame() {
 	if (_frameRead) {
 		av_frame_unref(_frame);
 		_frameRead = false;
@@ -46,7 +46,7 @@ bool FFMpegReaderImplementation::readNextFrame() {
 		while (_packetQueue.isEmpty()) {
 			auto packetResult = readPacket();
 			if (packetResult == PacketResult::Error) {
-				return false;
+				return ReadResult::Error;
 			} else if (packetResult == PacketResult::EndOfFile) {
 				break;
 			}
@@ -75,7 +75,7 @@ bool FFMpegReaderImplementation::readNextFrame() {
 
 			eofReached = (res == AVERROR_EOF);
 			if (!eofReached || !_hadFrame) { // try to skip end of file
-				return false;
+				return ReadResult::Error;
 			}
 		}
 		if (res > 0) decoded = res;
@@ -105,13 +105,13 @@ bool FFMpegReaderImplementation::readNextFrame() {
 
 			_hadFrame = _frameRead = true;
 			_frameTime += _currentFrameDelay;
-			return true;
+			return ReadResult::Success;
 		}
 
 		if (eofReached) {
 			clearPacketQueue();
 			if (_mode == Mode::Normal) {
-				return false;
+				return ReadResult::Eof;
 			}
 
 			if ((res = avformat_seek_file(_fmtContext, _streamId, std::numeric_limits<int64_t>::min(), 0, std::numeric_limits<int64_t>::max(), 0)) < 0) {
@@ -120,7 +120,7 @@ bool FFMpegReaderImplementation::readNextFrame() {
 						if ((res = av_seek_frame(_fmtContext, _streamId, 0, 0)) < 0) {
 							char err[AV_ERROR_MAX_STRING_SIZE] = { 0 };
 							LOG(("Gif Error: Unable to av_seek_frame() to the start %1, error %2, %3").arg(logData()).arg(res).arg(av_make_error_string(err, sizeof(err), res)));
-							return false;
+							return ReadResult::Error;
 						}
 					}
 				}
@@ -132,41 +132,42 @@ bool FFMpegReaderImplementation::readNextFrame() {
 		}
 	}
 
-	return false;
+	return ReadResult::Error;
 }
 
-bool FFMpegReaderImplementation::readFramesTill(int64 ms) {
+ReaderImplementation::ReadResult FFMpegReaderImplementation::readFramesTill(int64 ms) {
-	if (_audioStreamId >= 0) { // sync by audio stream
+	if (_audioStreamId < 0) { // just keep up
-		auto correctMs = audioPlayer()->getVideoCorrectedTime(_playId, ms);
-
-		if (!_frameRead && !readNextFrame()) {
-			return false;
-		}
-		while (_frameTime <= correctMs) {
-			if (!readNextFrame()) {
-				return false;
-			}
-		}
-		_frameTimeCorrection = ms - correctMs;
-		return true;
-	} else { // just keep up
 		if (_frameRead && _frameTime > ms) {
-			return true;
+			return ReadResult::Success;
 		}
-		if (!readNextFrame()) {
+		auto readResult = readNextFrame();
-			return false;
+		if (readResult != ReadResult::Success || _frameTime > ms) {
-		}
+			return readResult;
-		if (_frameTime > ms) {
-			return true;
-		}
-		if (!readNextFrame()) {
-			return false;
 		}
+		readResult = readNextFrame();
 		if (_frameTime <= ms) {
 			_frameTime = ms + 5; // keep up
 		}
-		return true;
+		return readResult;
 	}
+
+	// sync by audio stream
+	auto correctMs = audioPlayer()->getVideoCorrectedTime(_playId, ms);
+
+	if (!_frameRead) {
+		auto readResult = readNextFrame();
+		if (readResult != ReadResult::Success) {
+			return readResult;
+		}
+	}
+	while (_frameTime <= correctMs) {
+		auto readResult = readNextFrame();
+		if (readResult != ReadResult::Success) {
+			return readResult;
+		}
+	}
+	_frameTimeCorrection = ms - correctMs;
+	return ReadResult::Success;
 }
 
 int64 FFMpegReaderImplementation::frameRealTime() const {
@@ -333,7 +334,7 @@ QString FFMpegReaderImplementation::logData() const {
 
 FFMpegReaderImplementation::~FFMpegReaderImplementation() {
 	if (_mode == Mode::Normal && _audioStreamId >= 0) {
-		audioPlayer()->stop(AudioMsgId::Type::Video);
+		audioPlayer()->stopFromVideo(_playId);
 	}
 	if (_frameRead) {
 		av_frame_unref(_frame);

Telegram/SourceFiles/media/media_clip_ffmpeg.h

@@ -37,11 +37,14 @@ class FFMpegReaderImplementation : public ReaderImplementation {
 public:
 	FFMpegReaderImplementation(FileLocation *location, QByteArray *data, uint64 playId);
 
-	bool readFramesTill(int64 ms) override;
+	ReadResult readFramesTill(int64 ms) override;
 	int64 frameRealTime() const override;
 	uint64 framePresentationTime() const override;
 	bool renderFrame(QImage &to, bool &hasAlpha, const QSize &size) override;
 	int64 durationMs() const override;
+	bool hasAudio() const override {
+		return (_audioStreamId >= 0);
+	}
 	bool start(Mode mode) override;
 
 	QString logData() const;
@@ -49,7 +52,7 @@ public:
 	~FFMpegReaderImplementation();
 
 private:
-	bool readNextFrame();
+	ReadResult readNextFrame();
 
 	enum class PacketResult {
 		Ok,

Telegram/SourceFiles/media/media_clip_implementation.h

@@ -38,8 +38,13 @@ public:
 		Normal,
 	};
 
+	enum class ReadResult {
+		Success,
+		Error,
+		Eof,
+	};
 	// Read frames till current frame will have presentation time > ms.
-	virtual bool readFramesTill(int64 ms) = 0;
+	virtual ReadResult readFramesTill(int64 ms) = 0;
 
 	// Get current frame real and presentation time.
 	virtual int64 frameRealTime() const = 0;
@@ -49,6 +54,7 @@ public:
 	virtual bool renderFrame(QImage &to, bool &hasAlpha, const QSize &size) = 0;
 
 	virtual int64 durationMs() const = 0;
+	virtual bool hasAudio() const = 0;
 
 	virtual bool start(Mode mode) = 0;
 	virtual ~ReaderImplementation() {

Telegram/SourceFiles/media/media_clip_qtgif.cpp

@@ -28,23 +28,19 @@ namespace internal {
 QtGifReaderImplementation::QtGifReaderImplementation(FileLocation *location, QByteArray *data) : ReaderImplementation(location, data) {
 }
 
-bool QtGifReaderImplementation::readFramesTill(int64 ms) {
+ReaderImplementation::ReadResult QtGifReaderImplementation::readFramesTill(int64 ms) {
 	if (!_frame.isNull() && _frameTime > ms) {
-		return true;
+		return ReadResult::Success;
 	}
-	if (!readNextFrame()) {
+	auto readResult = readNextFrame();
-		return false;
+	if (readResult != ReadResult::Success || _frameTime > ms) {
-	}
+		return readResult;
-	if (_frameTime > ms) {
-		return true;
-	}
-	if (!readNextFrame()) {
-		return false;
 	}
+	readResult = readNextFrame();
 	if (_frameTime <= ms) {
 		_frameTime = ms + 5; // keep up
 	}
-	return true;
+	return readResult;
 }
 
 int64 QtGifReaderImplementation::frameRealTime() const {
@@ -55,20 +51,24 @@ uint64 QtGifReaderImplementation::framePresentationTime() const {
 	return static_cast<uint64>(qMax(_frameTime, 0LL));
 }
 
-bool QtGifReaderImplementation::readNextFrame() {
+ReaderImplementation::ReadResult QtGifReaderImplementation::readNextFrame() {
 	if (_reader) _frameDelay = _reader->nextImageDelay();
-	if (_framesLeft < 1 && !jumpToStart()) {
+	if (_framesLeft < 1) {
-		return false;
+		if (_mode == Mode::Normal) {
+			return ReadResult::Eof;
+		} else if (!jumpToStart()) {
+			return ReadResult::Error;
+		}
 	}
 
 	_frame = QImage(); // QGifHandler always reads first to internal QImage and returns it
 	if (!_reader->read(&_frame) || _frame.isNull()) {
-		return false;
+		return ReadResult::Error;
 	}
 	--_framesLeft;
 	_frameTime += _frameDelay;
 	_frameRealTime += _frameDelay;
-	return true;
+	return ReadResult::Success;
 }
 
 bool QtGifReaderImplementation::renderFrame(QImage &to, bool &hasAlpha, const QSize &size) {
@@ -101,6 +101,7 @@ int64 QtGifReaderImplementation::durationMs() const {
 
 bool QtGifReaderImplementation::start(Mode mode) {
 	if (mode == Mode::OnlyGifv) return false;
+	_mode = mode;
 	return jumpToStart();
 }
 

Telegram/SourceFiles/media/media_clip_qtgif.h

@@ -31,18 +31,23 @@ public:
 
 	QtGifReaderImplementation(FileLocation *location, QByteArray *data);
 
-	bool readFramesTill(int64 ms) override;
+	ReadResult readFramesTill(int64 ms) override;
 	int64 frameRealTime() const override;
 	uint64 framePresentationTime() const override;
 	bool renderFrame(QImage &to, bool &hasAlpha, const QSize &size) override;
 	int64 durationMs() const override;
+	bool hasAudio() const override {
+		return false;
+	}
 	bool start(Mode mode) override;
 
 	~QtGifReaderImplementation();
 
 private:
 	bool jumpToStart();
-	bool readNextFrame();
+	ReadResult readNextFrame();
+
+	Mode _mode = Mode::Normal;
 
 	QImageReader *_reader = nullptr;
 	int _framesLeft = 0;

Telegram/SourceFiles/media/media_clip_reader.cpp

@@ -297,6 +297,10 @@ void Reader::error() {
 	_state = State::Error;
 }
 
+void Reader::finished() {
+	_state = State::Finished;
+}
+
 Reader::~Reader() {
 	stop();
 }
@@ -306,11 +310,13 @@ public:
 	ReaderPrivate(Reader *reader, const FileLocation &location, const QByteArray &data) : _interface(reader)
 	, _mode(reader->mode())
 	, _playId(reader->playId())
-	, _data(data)
+	, _data(data) {
-	, _location(_data.isEmpty() ? new FileLocation(location) : 0) {
+		if (_data.isEmpty()) {
-		if (_data.isEmpty() && !_location->accessEnable()) {
+			_location = std_::make_unique<FileLocation>(location);
-			error();
+			if (!_location->accessEnable()) {
-			return;
+				error();
+				return;
+			}
 		}
 		_accessed = true;
 	}
@@ -320,7 +326,8 @@ public:
 			return error();
 		}
 		if (frame() && frame()->original.isNull()) {
-			if (!_implementation->readFramesTill(-1)) { // Read the first frame.
+			auto readResult = _implementation->readFramesTill(-1);
+			if (readResult != internal::ReaderImplementation::ReadResult::Success) { // Read the first frame.
 				return error();
 			}
 			if (!_implementation->renderFrame(frame()->original, frame()->alpha, QSize())) {
@@ -329,13 +336,18 @@ public:
 			_width = frame()->original.width();
 			_height = frame()->original.height();
 			_durationMs = _implementation->durationMs();
+			_hasAudio = _implementation->hasAudio();
 			return ProcessResult::Started;
 		}
 		return ProcessResult::Wait;
 	}
 
 	ProcessResult process(uint64 ms) { // -1 - do nothing, 0 - update, 1 - reinit
-		if (_state == State::Error) return ProcessResult::Error;
+		if (_state == State::Error) {
+			return ProcessResult::Error;
+		} else if (_state == State::Finished) {
+			return ProcessResult::Finished;
+		}
 
 		if (!_request.valid()) {
 			return start(ms);
@@ -348,7 +360,12 @@ public:
 	}
 
 	ProcessResult finishProcess(uint64 ms) {
-		if (!_implementation->readFramesTill(ms - _animationStarted)) {
+		auto readResult = _implementation->readFramesTill(ms - _animationStarted);
+		if (readResult == internal::ReaderImplementation::ReadResult::Eof) {
+			stop();
+			_state = State::Finished;
+			return ProcessResult::Finished;
+		} else if (readResult == internal::ReaderImplementation::ReadResult::Error) {
 			return error();
 		}
 		_nextFramePositionMs = _implementation->frameRealTime();
@@ -384,7 +401,7 @@ public:
 			}
 		}
 
-		_implementation = std_::make_unique<internal::FFMpegReaderImplementation>(_location, &_data, _playId);
+		_implementation = std_::make_unique<internal::FFMpegReaderImplementation>(_location.get(), &_data, _playId);
 //		_implementation = new QtGifReaderImplementation(_location, &_data);
 
 		auto implementationMode = [this]() {
@@ -414,15 +431,13 @@ public:
 			if (_accessed) {
 				_location->accessDisable();
 			}
-			delete _location;
+			_location = nullptr;
-			_location = 0;
 		}
 		_accessed = false;
 	}
 
 	~ReaderPrivate() {
 		stop();
-		deleteAndMark(_location);
 		_data.clear();
 	}
 
@@ -433,7 +448,7 @@ private:
 	uint64 _playId;
 
 	QByteArray _data;
-	FileLocation *_location;
+	std_::unique_ptr<FileLocation> _location;
 	bool _accessed = false;
 
 	QBuffer _buffer;
@@ -458,6 +473,7 @@ private:
 	int _width = 0;
 	int _height = 0;
 
+	bool _hasAudio = false;
 	int64 _durationMs = 0;
 	uint64 _animationStarted = 0;
 	uint64 _nextFrameWhen = 0;
@@ -547,6 +563,12 @@ bool Manager::handleProcessResult(ReaderPrivate *reader, ProcessResult result, u
 			if (i != _readerPointers.cend()) _readerPointers.erase(i);
 		}
 		return false;
+	} else if (result == ProcessResult::Finished) {
+		if (it != _readerPointers.cend()) {
+			it.key()->finished();
+			emit callback(it.key(), it.key()->threadIndex(), NotificationReinit);
+		}
+		return false;
 	}
 	if (it == _readerPointers.cend()) {
 		return false;
@@ -555,6 +577,7 @@ bool Manager::handleProcessResult(ReaderPrivate *reader, ProcessResult result, u
 	if (result == ProcessResult::Started) {
 		_loadLevel.fetchAndAddRelaxed(reader->_width * reader->_height - AverageGifSize);
 		it.key()->_durationMs = reader->_durationMs;
+		it.key()->_hasAudio = reader->_hasAudio;
 	}
 	// See if we need to pause GIF because it is not displayed right now.
 	if (!reader->_paused && reader->_mode == Reader::Mode::Gif && result == ProcessResult::Repaint) {
@@ -719,7 +742,9 @@ MTPDocumentAttribute readAttributes(const QString &fname, const QByteArray &data
 	auto reader = std_::make_unique<internal::FFMpegReaderImplementation>(&localloc, &localdata, playId);
 	if (reader->start(internal::ReaderImplementation::Mode::OnlyGifv)) {
 		bool hasAlpha = false;
-		if (reader->readFramesTill(-1) && reader->renderFrame(cover, hasAlpha, QSize())) {
+		auto readResult = reader->readFramesTill(-1);
+		auto readFrame = (readResult == internal::ReaderImplementation::ReadResult::Success);
+		if (readFrame && reader->renderFrame(cover, hasAlpha, QSize())) {
 			if (cover.width() > 0 && cover.height() > 0 && cover.width() < cover.height() * 10 && cover.height() < cover.width() * 10) {
 				if (hasAlpha) {
 					QImage cacheForResize;

Telegram/SourceFiles/media/media_clip_reader.h

@@ -28,6 +28,7 @@ namespace Clip {
 enum class State {
 	Reading,
 	Error,
+	Finished,
 };
 
 struct FrameRequest {
@@ -107,6 +108,7 @@ public:
 
 	void stop();
 	void error();
+	void finished();
 
 	Mode mode() const {
 		return _mode;
@@ -165,6 +167,7 @@ private:
 enum class ProcessResult {
 	Error,
 	Started,
+	Finished,
 	Paused,
 	Repaint,
 	CopyFrame,

Telegram/SourceFiles/media/view/media_clip_controller.cpp

@@ -71,7 +71,7 @@ void Controller::showAnimated() {
 
 void Controller::hideAnimated() {
 	startFading([this]() {
-		_fadeAnimation->fadeOut(st::mvShowDuration);
+		_fadeAnimation->fadeOut(st::mvHideDuration);
 	});
 }
 

Telegram/SourceFiles/media/view/media_clip_playback.cpp

@@ -35,7 +35,8 @@ Playback::Playback(QWidget *parent) : TWidget(parent)
 void Playback::updateState(const AudioPlaybackState &playbackState) {
 	qint64 position = 0, duration = playbackState.duration;
 
-	if (!(playbackState.state & AudioPlayerStoppedMask) && playbackState.state != AudioPlayerFinishing) {
+	_playing = !(playbackState.state & AudioPlayerStoppedMask);
+	if (_playing && playbackState.state != AudioPlayerFinishing) {
 		position = playbackState.position;
 	} else if (playbackState.state == AudioPlayerStoppedAtEnd) {
 		position = playbackState.duration;
@@ -50,7 +51,7 @@ void Playback::updateState(const AudioPlaybackState &playbackState) {
 		progress = duration ? snap(float64(position) / duration, 0., 1.) : 0.;
 	}
 	if (duration != _duration || position != _position) {
-		if (duration && _duration) {
+		if (duration && _duration && playbackState.state != AudioPlayerStopped) {
 			a_progress.start(progress);
 			_a_progress.start();
 		} else {

Telegram/SourceFiles/media/view/media_clip_playback.h

@@ -65,6 +65,7 @@ private:
 	float64 _downProgress = 0.;
 
 	float64 _fadeOpacity = 1.;
+	bool _playing = false;
 
 };
 

Telegram/SourceFiles/mediaview.cpp

@@ -349,7 +349,7 @@ void MediaView::updateControls() {
 		_dateNav = myrtlrect(st::mvTextLeft, height() - st::mvTextTop, st::mvFont->width(_dateText), st::mvFont->height);
 	}
 	updateHeader();
-	if (_photo || (_history && (_overview == OverviewPhotos || _overview == OverviewChatPhotos || _overview == OverviewFiles))) {
+	if (_photo || (_history && (_overview == OverviewPhotos || _overview == OverviewChatPhotos || _overview == OverviewFiles || _overview == OverviewVideos))) {
 		_leftNavVisible = (_index > 0) || (_index == 0 && (
 			(!_msgmigrated && _history && _history->overview[_overview].size() < _history->overviewCount(_overview)) ||
 			(_msgmigrated && _migrated && _migrated->overview[_overview].size() < _migrated->overviewCount(_overview)) ||
@@ -554,7 +554,7 @@ void MediaView::close() {
 }
 
 void MediaView::activateControls() {
-	if (!_menu && !_mousePressed) {
+	if (!_menu && !_mousePressed && (!_clipController || !_clipController->geometry().contains(_lastMouseMovePos))) {
 		_controlsHideTimer.start(int(st::mvWaitHide));
 	}
 	if (_controlsState == ControlsHiding || _controlsState == ControlsHidden) {
@@ -564,19 +564,19 @@ void MediaView::activateControls() {
 		if (!_a_state.animating()) _a_state.start();
 	}
 	if (_clipController) {
-		_clipController->showAnimated();
+//		_clipController->showAnimated();
 	}
 }
 
 void MediaView::onHideControls(bool force) {
-	if (!force && (!_dropdown.isHidden() || _menu || _mousePressed)) return;
+	if (!force && (!_dropdown.isHidden() || _menu || _mousePressed || (_clipController && _clipController->geometry().contains(_lastMouseMovePos)))) return;
 	if (_controlsState == ControlsHiding || _controlsState == ControlsHidden) return;
 	_controlsState = ControlsHiding;
 	_controlsAnimStarted = getms();
 	a_cOpacity.start(0);
 	if (!_a_state.animating()) _a_state.start();
 	if (_clipController) {
-		_clipController->hideAnimated();
+//		_clipController->hideAnimated();
 	}
 }
 
@@ -706,12 +706,16 @@ void MediaView::clipCallback(Media::Clip::Notification notification) {
 		if (auto item = App::histItemById(_msgmigrated ? 0 : _channel, _msgid)) {
 			if (_gif->state() == State::Error) {
 				_current = QPixmap();
-			}
+			} else if (_gif->state() == State::Finished) {
-			_videoIsSilent = _doc->isVideo() && !_gif->hasAudio();
+				_videoPositionMs = _videoDurationMs;
-			if (_videoIsSilent) {
+				updateSilentVideoPlaybackState();
+			} else {
+				_videoIsSilent = _doc->isVideo() && !_gif->hasAudio();
 				_videoDurationMs = _gif->getDurationMs();
 				_videoPositionMs = _gif->getPositionMs();
-				updateSilentVideoPlaybackState();
+				if (_videoIsSilent) {
+					updateSilentVideoPlaybackState();
+				}
 			}
 			displayDocument(_doc, item);
 		} else {
@@ -721,8 +725,8 @@ void MediaView::clipCallback(Media::Clip::Notification notification) {
 
 	case NotificationRepaint: {
 		if (!_gif->currentDisplayed()) {
+			_videoPositionMs = _gif->getPositionMs();
 			if (_videoIsSilent) {
-				_videoPositionMs = _gif->getPositionMs();
 				updateSilentVideoPlaybackState();
 			}
 			update(_x, _y, _w, _h);
@@ -1016,7 +1020,7 @@ void MediaView::showDocument(DocumentData *doc, HistoryItem *context) {
 	_canForward = _msgid > 0;
 	_canDelete = context ? context->canDelete() : false;
 	if (_history) {
-		_overview = OverviewFiles;
+		_overview = doc->isVideo() ? OverviewVideos : OverviewFiles;
 		findCurrent();
 	}
 	displayDocument(doc, context);
@@ -1287,7 +1291,29 @@ void MediaView::setClipControllerGeometry() {
 }
 
 void MediaView::onVideoPlay() {
+	if (auto item = App::histItemById(_msgmigrated ? 0 : _channel, _msgid)) {
+		if (_gif->state() == Media::Clip::State::Error) {
+			displayDocument(_doc, item);
+		} else if (_gif->state() == Media::Clip::State::Finished) {
+			_current = _gif->current(_gif->width(), _gif->height(), _gif->width(), _gif->height(), getms());
+			_gif = std_::make_unique<Media::Clip::Reader>(_doc->location(), _doc->data(), func(this, &MediaView::clipCallback), Media::Clip::Reader::Mode::Video);
 
+			// Correct values will be set when gif gets inited.
+			_videoIsSilent = false;
+			_videoPositionMs = 0;
+
+			AudioPlaybackState state;
+			state.state = AudioPlayerStopped;
+			state.position = _videoPositionMs;
+			state.duration = _videoDurationMs;
+			state.frequency = _videoFrequencyMs;
+			updateVideoPlaybackState(state);
+		} else {
+			//
+		}
+	} else {
+		stopGif();
+	}
 }
 
 void MediaView::onVideoPause() {
@@ -1329,6 +1355,9 @@ void MediaView::onVideoPlayProgress(const AudioMsgId &audioId) {
 void MediaView::updateVideoPlaybackState(const AudioPlaybackState &state) {
 	if (state.frequency) {
 		_clipController->updatePlayback(state);
+	} else { // Audio has stopped already.
+		_videoIsSilent = true;
+		updateSilentVideoPlaybackState();
 	}
 }
 
@@ -1660,6 +1689,8 @@ void MediaView::keyPressEvent(QKeyEvent *e) {
 	} else if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return || e->key() == Qt::Key_Space) {
 		if (_doc && !_doc->loading() && !fileShown()) {
 			onDocClick();
+		} else if (_doc->isVideo()) {
+			onVideoPlay();
 		}
 	} else if (e->key() == Qt::Key_Left) {
 		moveToNext(-1);
@@ -1777,7 +1808,7 @@ bool MediaView::moveToNext(int32 delta) {
 		}
 		return false;
 	}
-	if ((_history && _overview != OverviewPhotos && _overview != OverviewChatPhotos && _overview != OverviewFiles) || (_overview == OverviewCount && !_user)) {
+	if ((_history && _overview != OverviewPhotos && _overview != OverviewChatPhotos && _overview != OverviewFiles && _overview != OverviewVideos) || (_overview == OverviewCount && !_user)) {
 		return false;
 	}
 	if (_msgmigrated && !_history->overviewLoaded(_overview)) {
@@ -1807,6 +1838,7 @@ bool MediaView::moveToNext(int32 delta) {
 					switch (media->type()) {
 					case MediaTypePhoto: displayPhoto(static_cast<HistoryPhoto*>(item->getMedia())->photo(), item); preloadData(delta); break;
 					case MediaTypeFile:
+					case MediaTypeVideo:
 					case MediaTypeGif:
 					case MediaTypeSticker: displayDocument(media->getDocument(), item); preloadData(delta); break;
 					}
@@ -1870,6 +1902,7 @@ void MediaView::preloadData(int32 delta) {
 					switch (media->type()) {
 					case MediaTypePhoto: static_cast<HistoryPhoto*>(media)->photo()->forget(); break;
 					case MediaTypeFile:
+					case MediaTypeVideo:
 					case MediaTypeGif:
 					case MediaTypeSticker: media->getDocument()->forget(); break;
 					}
@@ -1895,6 +1928,7 @@ void MediaView::preloadData(int32 delta) {
 						switch (media->type()) {
 						case MediaTypePhoto: static_cast<HistoryPhoto*>(media)->photo()->download(); break;
 						case MediaTypeFile:
+						case MediaTypeVideo:
 						case MediaTypeGif: {
 							DocumentData *doc = media->getDocument();
 							doc->thumb->load();