diff options
Diffstat (limited to 'src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.cpp')
-rw-r--r-- | src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.cpp | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.cpp b/src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.cpp deleted file mode 100644 index 6dd914a..0000000 --- a/src/plugins/mediaservices/gstreamer/mediaplayer/qgstreamerplayercontrol.cpp +++ /dev/null @@ -1,501 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgstreamerplayercontrol.h" -#include "qgstreamerplayersession.h" - -#include <qmediaplaylistnavigator.h> - -#include <QtCore/qdir.h> -#include <QtCore/qsocketnotifier.h> -#include <QtCore/qurl.h> -#include <QtCore/qdebug.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> - -QT_BEGIN_NAMESPACE - -QGstreamerPlayerControl::QGstreamerPlayerControl(QGstreamerPlayerSession *session, QObject *parent) - : QMediaPlayerControl(parent) - , m_session(session) - , m_state(QMediaPlayer::StoppedState) - , m_mediaStatus(QMediaPlayer::NoMedia) - , m_bufferProgress(-1) - , m_seekToStartPending(false) - , m_stream(0) - , m_fifoNotifier(0) - , m_fifoCanWrite(false) - , m_bufferSize(0) - , m_bufferOffset(0) -{ - m_fifoFd[0] = -1; - m_fifoFd[1] = -1; - - connect(m_session, SIGNAL(positionChanged(qint64)), - this, SIGNAL(positionChanged(qint64))); - connect(m_session, SIGNAL(durationChanged(qint64)), - this, SIGNAL(durationChanged(qint64))); - connect(m_session, SIGNAL(mutedStateChanged(bool)), - this, SIGNAL(mutedChanged(bool))); - connect(m_session, SIGNAL(volumeChanged(int)), - this, SIGNAL(volumeChanged(int))); - connect(m_session, SIGNAL(stateChanged(QMediaPlayer::State)), - this, SLOT(updateState(QMediaPlayer::State))); - connect(m_session,SIGNAL(bufferingProgressChanged(int)), - this, SLOT(setBufferProgress(int))); - connect(m_session, SIGNAL(playbackFinished()), - this, SLOT(processEOS())); - connect(m_session, SIGNAL(audioAvailableChanged(bool)), - this, SIGNAL(audioAvailableChanged(bool))); - connect(m_session, SIGNAL(videoAvailableChanged(bool)), - this, SIGNAL(videoAvailableChanged(bool))); - connect(m_session, SIGNAL(seekableChanged(bool)), - this, SIGNAL(seekableChanged(bool))); - connect(m_session, SIGNAL(error(int,QString)), - this, SIGNAL(error(int,QString))); -} - -QGstreamerPlayerControl::~QGstreamerPlayerControl() -{ - if (m_fifoFd[0] >= 0) { - ::close(m_fifoFd[0]); - ::close(m_fifoFd[1]); - m_fifoFd[0] = -1; - m_fifoFd[1] = -1; - } -} - -qint64 QGstreamerPlayerControl::position() const -{ - return m_seekToStartPending ? 0 : m_session->position(); -} - -qint64 QGstreamerPlayerControl::duration() const -{ - return m_session->duration(); -} - -QMediaPlayer::State QGstreamerPlayerControl::state() const -{ - return m_state; -} - -QMediaPlayer::MediaStatus QGstreamerPlayerControl::mediaStatus() const -{ - return m_mediaStatus; -} - -int QGstreamerPlayerControl::bufferStatus() const -{ - if (m_bufferProgress == -1) { - return m_session->state() == QMediaPlayer::StoppedState ? 0 : 100; - } else - return m_bufferProgress; -} - -int QGstreamerPlayerControl::volume() const -{ - return m_session->volume(); -} - -bool QGstreamerPlayerControl::isMuted() const -{ - return m_session->isMuted(); -} - -bool QGstreamerPlayerControl::isSeekable() const -{ - return m_session->isSeekable(); -} - -QMediaTimeRange QGstreamerPlayerControl::availablePlaybackRanges() const -{ - QMediaTimeRange ranges; - - if (m_session->isSeekable()) - ranges.addInterval(0, m_session->duration()); - - return ranges; -} - -qreal QGstreamerPlayerControl::playbackRate() const -{ - return m_session->playbackRate(); -} - -void QGstreamerPlayerControl::setPlaybackRate(qreal rate) -{ - m_session->setPlaybackRate(rate); -} - -void QGstreamerPlayerControl::setPosition(qint64 pos) -{ - if (m_mediaStatus == QMediaPlayer::EndOfMedia) { - m_mediaStatus = QMediaPlayer::LoadedMedia; - emit mediaStatusChanged(m_mediaStatus); - } - - if (m_session->seek(pos)) - m_seekToStartPending = false; -} - -void QGstreamerPlayerControl::play() -{ - playOrPause(QMediaPlayer::PlayingState); -} - -void QGstreamerPlayerControl::pause() -{ - playOrPause(QMediaPlayer::PausedState); -} - -void QGstreamerPlayerControl::playOrPause(QMediaPlayer::State newState) -{ - QMediaPlayer::State oldState = m_state; - QMediaPlayer::MediaStatus oldMediaStatus = m_mediaStatus; - - if (m_mediaStatus == QMediaPlayer::EndOfMedia) - m_mediaStatus = QMediaPlayer::BufferedMedia; - - if (m_seekToStartPending) { - m_session->pause(); - if (!m_session->seek(0)) { - m_bufferProgress = -1; - m_session->stop(); - m_mediaStatus = QMediaPlayer::LoadingMedia; - } - m_seekToStartPending = false; - } - - bool ok = false; - if (newState == QMediaPlayer::PlayingState) - ok = m_session->play(); - else - ok = m_session->pause(); - - if (!ok) - return; - - m_state = newState; - - if (m_mediaStatus == QMediaPlayer::EndOfMedia || m_mediaStatus == QMediaPlayer::LoadedMedia) { - if (m_bufferProgress == -1 || m_bufferProgress == 100) - m_mediaStatus = QMediaPlayer::BufferedMedia; - else - m_mediaStatus = QMediaPlayer::BufferingMedia; - } - - if (m_state != oldState) - emit stateChanged(m_state); - if (m_mediaStatus != oldMediaStatus) - emit mediaStatusChanged(m_mediaStatus); - -} - -void QGstreamerPlayerControl::stop() -{ - if (m_state != QMediaPlayer::StoppedState) { - m_state = QMediaPlayer::StoppedState; - m_session->pause(); - m_seekToStartPending = true; - updateState(m_session->state()); - emit positionChanged(0); - emit stateChanged(m_state); - } -} - -void QGstreamerPlayerControl::setVolume(int volume) -{ - m_session->setVolume(volume); -} - -void QGstreamerPlayerControl::setMuted(bool muted) -{ - m_session->setMuted(muted); -} - -QMediaContent QGstreamerPlayerControl::media() const -{ - return m_currentResource; -} - -const QIODevice *QGstreamerPlayerControl::mediaStream() const -{ - return m_stream; -} - -void QGstreamerPlayerControl::setMedia(const QMediaContent &content, QIODevice *stream) -{ - QMediaPlayer::State oldState = m_state; - m_state = QMediaPlayer::StoppedState; - m_session->stop(); - - if (m_bufferProgress != -1) { - m_bufferProgress = -1; - emit bufferStatusChanged(0); - } - - if (m_stream) { - closeFifo(); - - disconnect(m_stream, SIGNAL(readyRead()), this, SLOT(writeFifo())); - m_stream = 0; - } - - m_currentResource = content; - m_stream = stream; - m_seekToStartPending = false; - - QUrl url; - - if (m_stream) { - if (m_stream->isReadable() && openFifo()) { - url = QUrl(QString(QLatin1String("fd://%1")).arg(m_fifoFd[0])); - } - } else if (!content.isNull()) { - url = content.canonicalUrl(); - } - - m_session->load(url); - - if (m_fifoFd[1] >= 0) { - m_fifoCanWrite = true; - - writeFifo(); - } - - if (!url.isEmpty()) { - if (m_mediaStatus != QMediaPlayer::LoadingMedia) - emit mediaStatusChanged(m_mediaStatus = QMediaPlayer::LoadingMedia); - m_session->pause(); - } else { - if (m_mediaStatus != QMediaPlayer::NoMedia) - emit mediaStatusChanged(m_mediaStatus = QMediaPlayer::NoMedia); - setBufferProgress(0); - } - - emit mediaChanged(m_currentResource); - if (m_state != oldState) - emit stateChanged(m_state); -} - -void QGstreamerPlayerControl::setVideoOutput(QObject *output) -{ - m_session->setVideoRenderer(output); -} - -bool QGstreamerPlayerControl::isAudioAvailable() const -{ - return m_session->isAudioAvailable(); -} - -bool QGstreamerPlayerControl::isVideoAvailable() const -{ - return m_session->isVideoAvailable(); -} - -void QGstreamerPlayerControl::updateState(QMediaPlayer::State state) -{ - QMediaPlayer::MediaStatus oldStatus = m_mediaStatus; - QMediaPlayer::State oldState = m_state; - - switch (state) { - case QMediaPlayer::StoppedState: - m_state = QMediaPlayer::StoppedState; - if (m_currentResource.isNull()) - m_mediaStatus = QMediaPlayer::NoMedia; - else - m_mediaStatus = QMediaPlayer::LoadingMedia; - break; - - case QMediaPlayer::PlayingState: - case QMediaPlayer::PausedState: - if (m_state == QMediaPlayer::StoppedState) { - m_mediaStatus = QMediaPlayer::LoadedMedia; - } else { - if (m_bufferProgress == -1 || m_bufferProgress == 100) - m_mediaStatus = QMediaPlayer::BufferedMedia; - } - break; - } - - //EndOfMedia status should be kept, until reset by pause, play or setMedia - if (oldStatus == QMediaPlayer::EndOfMedia) - m_mediaStatus = QMediaPlayer::EndOfMedia; - - if (m_state != oldState) - emit stateChanged(m_state); - if (m_mediaStatus != oldStatus) - emit mediaStatusChanged(m_mediaStatus); -} - -void QGstreamerPlayerControl::processEOS() -{ - m_mediaStatus = QMediaPlayer::EndOfMedia; - stop(); - emit mediaStatusChanged(m_mediaStatus); -} - -void QGstreamerPlayerControl::setBufferProgress(int progress) -{ - if (m_bufferProgress == progress || m_mediaStatus == QMediaPlayer::NoMedia) - return; - - QMediaPlayer::MediaStatus oldStatus = m_mediaStatus; - - m_bufferProgress = progress; - - if (m_state == QMediaPlayer::StoppedState) { - m_mediaStatus = QMediaPlayer::LoadedMedia; - } else { - if (m_bufferProgress < 100) { - m_mediaStatus = QMediaPlayer::StalledMedia; - m_session->pause(); - } else { - m_mediaStatus = QMediaPlayer::BufferedMedia; - if (m_state == QMediaPlayer::PlayingState) - m_session->play(); - } - } - - if (m_mediaStatus != oldStatus) - emit mediaStatusChanged(m_mediaStatus); - - emit bufferStatusChanged(m_bufferProgress); -} - -void QGstreamerPlayerControl::writeFifo() -{ - if (m_fifoCanWrite) { - qint64 bytesToRead = qMin<qint64>( - m_stream->bytesAvailable(), PIPE_BUF - m_bufferSize); - - if (bytesToRead > 0) { - int bytesRead = m_stream->read(&m_buffer[m_bufferOffset + m_bufferSize], bytesToRead); - - if (bytesRead > 0) - m_bufferSize += bytesRead; - } - - if (m_bufferSize > 0) { - int bytesWritten = ::write(m_fifoFd[1], &m_buffer[m_bufferOffset], size_t(m_bufferSize)); - - if (bytesWritten > 0) { - m_bufferOffset += bytesWritten; - m_bufferSize -= bytesWritten; - - if (m_bufferSize == 0) - m_bufferOffset = 0; - } else if (errno == EAGAIN) { - m_fifoCanWrite = false; - } else { - closeFifo(); - } - } - } - - m_fifoNotifier->setEnabled(m_stream->bytesAvailable() > 0); -} - -void QGstreamerPlayerControl::fifoReadyWrite(int socket) -{ - if (socket == m_fifoFd[1]) { - m_fifoCanWrite = true; - - writeFifo(); - } -} - -bool QGstreamerPlayerControl::openFifo() -{ - Q_ASSERT(m_fifoFd[0] < 0); - Q_ASSERT(m_fifoFd[1] < 0); - - if (::pipe(m_fifoFd) == 0) { - int flags = ::fcntl(m_fifoFd[1], F_GETFD); - - if (::fcntl(m_fifoFd[1], F_SETFD, flags | O_NONBLOCK) >= 0) { - m_fifoNotifier = new QSocketNotifier(m_fifoFd[1], QSocketNotifier::Write); - - connect(m_fifoNotifier, SIGNAL(activated(int)), this, SLOT(fifoReadyWrite(int))); - - return true; - } else { - qWarning("Failed to make pipe non blocking %d", errno); - - ::close(m_fifoFd[0]); - ::close(m_fifoFd[1]); - - m_fifoFd[0] = -1; - m_fifoFd[1] = -1; - - return false; - } - } else { - qWarning("Failed to create pipe %d", errno); - - return false; - } -} - -void QGstreamerPlayerControl::closeFifo() -{ - if (m_fifoFd[0] >= 0) { - delete m_fifoNotifier; - m_fifoNotifier = 0; - - ::close(m_fifoFd[0]); - ::close(m_fifoFd[1]); - m_fifoFd[0] = -1; - m_fifoFd[1] = -1; - - m_fifoCanWrite = false; - - m_bufferSize = 0; - m_bufferOffset = 0; - } -} - -QT_END_NAMESPACE - |