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Diffstat (limited to 'src/3rdparty/phonon/qt7/quicktimestreamreader.mm')
-rw-r--r-- | src/3rdparty/phonon/qt7/quicktimestreamreader.mm | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/qt7/quicktimestreamreader.mm b/src/3rdparty/phonon/qt7/quicktimestreamreader.mm new file mode 100644 index 0000000..7131616 --- /dev/null +++ b/src/3rdparty/phonon/qt7/quicktimestreamreader.mm @@ -0,0 +1,137 @@ +/* This file is part of the KDE project. + + Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + + This library is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 2.1 or 3 of the License. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this library. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "backendheader.h" +#include "quicktimestreamreader.h" + +QT_BEGIN_NAMESPACE + +namespace Phonon +{ +namespace QT7 +{ + +QuickTimeStreamReader::QuickTimeStreamReader(const Phonon::MediaSource &source) +{ + connectToSource(source); +} + +QuickTimeStreamReader::~QuickTimeStreamReader() +{ +} + +bool QuickTimeStreamReader::readAllData() +{ + int oldSize = m_buffer.size(); + while (m_buffer.size() < m_size){ + needData(); + if (oldSize == currentBufferSize()) + BACKEND_ASSERT3(oldSize != currentBufferSize(), + "Could not create new movie from IO stream. Not enough free memory to preload the whole movie.", + FATAL_ERROR, false) + oldSize = m_buffer.size(); + } + return true; +} + +QByteArray *QuickTimeStreamReader::pointerToData() +{ + return &m_buffer; +} + +int QuickTimeStreamReader::readData(long offset, long size, void *data) +{ +// QReadLocker readLocker(&m_lock); + if (streamSize() != 1 && offset + size > streamSize()){ + size = streamSize() - offset; + } + + if (currentPos() - currentBufferSize() != offset) + setCurrentPos(offset); + + int oldSize = currentBufferSize(); + while (currentBufferSize() < int(size)) { + needData(); + if (oldSize == currentBufferSize()) + break; + oldSize = currentBufferSize(); + } + + int bytesRead = qMin(currentBufferSize(), int(size)); +// QWriteLocker writeLocker(&m_lock); + qMemCopy(data, m_buffer.data(), bytesRead); + m_buffer = m_buffer.mid(bytesRead); + + return bytesRead; +} + +void QuickTimeStreamReader::writeData(const QByteArray &data) +{ + QWriteLocker locker(&m_lock); + m_pos += data.size(); + m_buffer += data; +} + +void QuickTimeStreamReader::endOfData() +{ +} + +void QuickTimeStreamReader::setStreamSize(qint64 newSize) +{ + m_size = newSize; +} + +qint64 QuickTimeStreamReader::streamSize() const +{ + return m_size; +} + +void QuickTimeStreamReader::setStreamSeekable(bool s) +{ + m_seekable = s; +} + +bool QuickTimeStreamReader::streamSeekable() const +{ + return m_seekable; +} + +void QuickTimeStreamReader::setCurrentPos(qint64 pos) +{ + QWriteLocker locker(&m_lock); + m_pos = pos; + seekStream(pos); + m_buffer.clear(); +} + +qint64 QuickTimeStreamReader::currentPos() const +{ + return m_pos; +} + +int QuickTimeStreamReader::currentBufferSize() const +{ + QReadLocker locker(&m_lock); + return m_buffer.size(); +} + +}} //namespace Phonon::QT7 + +QT_END_NAMESPACE + +#include "moc_quicktimestreamreader.cpp" + |