phonon 4.5.0-3 fix compilation pulseaudio 1.0

1 files changed, 104 insertions, 0 deletions

diff --git a/kde/phonon/pulsestream.cpp b/kde/phonon/pulsestream.cpp
new file mode 100644
index 000000000..e129f1b8f
--- /dev/null
+++ b/kde/phonon/pulsestream.cpp
@@ -0,0 +1,104 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2010 Colin Guthrie <cguthrie@mandriva.org>
+
+    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 of the License, or (at your option) version 3, or any
+    later version accepted by the membership of KDE e.V. (or its
+    successor approved by the membership of KDE e.V.), Nokia Corporation
+    (or its successors, if any) and the KDE Free Qt Foundation, which shall
+    act as a proxy defined in Section 6 of version 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 "pulsestream_p.h"
+#include <QtCore/qmath.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+
+PulseStream::PulseStream(QString streamUuid)
+  : QObject()
+  , mStreamUuid(streamUuid)
+  , mIndex(PA_INVALID_INDEX)
+  , mDevice(-1)
+  , mMute(false)
+{
+    pa_cvolume_init(&mVolume);
+}
+
+PulseStream::~PulseStream()
+{
+}
+
+QString PulseStream::uuid()
+{
+    return mStreamUuid;
+}
+
+uint32_t PulseStream::index()
+{
+    return mIndex;
+}
+
+void PulseStream::setIndex(uint32_t index)
+{
+    mIndex = index;
+}
+
+uint8_t PulseStream::channels()
+{
+    return mVolume.channels;
+}
+
+void PulseStream::setDevice(int device)
+{
+    if (mDevice != device) {
+        mDevice = device;
+        emit usingDevice(device);
+    }
+}
+
+// Copied from AudioOutput
+static const qreal LOUDNESS_TO_VOLTAGE_EXPONENT = qreal(0.67);
+static const qreal VOLTAGE_TO_LOUDNESS_EXPONENT = qreal(1.0/LOUDNESS_TO_VOLTAGE_EXPONENT);
+
+void PulseStream::setVolume(const pa_cvolume *volume)
+{
+    if (pa_cvolume_equal(&mVolume, volume) == 0) {
+        memcpy(&mVolume, volume, sizeof(mVolume));
+        qreal vol = (qreal)pa_cvolume_avg(volume) / PA_VOLUME_NORM;
+        // AudioOutput expects the "backend" to supply values that have been
+        // adjusted for Stephens' law, so we need to fudge them accordingly
+        // so that the %ages match up in KMix/the application's own slider.
+        emit volumeChanged(qPow(vol, VOLTAGE_TO_LOUDNESS_EXPONENT));
+    }
+}
+
+void PulseStream::setMute(bool mute)
+{
+    if (mMute != mute) {
+        mMute = mute;
+        emit muteChanged(mMute);
+    }
+}
+
+
+} // namespace Phonon
+
+QT_END_NAMESPACE
+
+#include "moc_pulsestream_p.cpp"
+
+// vim: sw=4 ts=4