src/3rdparty/phonon/qt7/quicktimestreamreader.mm
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/qt7/quicktimestreamreader.mm	Mon Jan 11 14:00:40 2010 +0000
@@ -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"
+