1 files changed, 167 insertions, 0 deletions
diff --git a/src/plugins/wmf/player/samplegrabber.cpp b/src/plugins/wmf/player/samplegrabber.cpp
new file mode 100644
index 000000000..35f038891
--- /dev/null
+++ b/src/plugins/wmf/player/samplegrabber.cpp
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "samplegrabber.h"
+#include "mfaudioprobecontrol.h"
+
+STDMETHODIMP SampleGrabberCallback::QueryInterface(REFIID riid, void** ppv)
+{
+    if (!ppv)
+        return E_POINTER;
+    if (riid == IID_IMFSampleGrabberSinkCallback) {
+        *ppv = static_cast<IMFSampleGrabberSinkCallback*>(this);
+    } else if (riid == IID_IMFClockStateSink) {
+        *ppv = static_cast<IMFClockStateSink*>(this);
+    } else if (riid == IID_IUnknown) {
+        *ppv = static_cast<IUnknown*>(this);
+    } else {
+        *ppv =  NULL;
+        return E_NOINTERFACE;
+    }
+    AddRef();
+    return S_OK;
+}
+
+STDMETHODIMP_(ULONG) SampleGrabberCallback::AddRef()
+{
+    return InterlockedIncrement(&m_cRef);
+}
+
+STDMETHODIMP_(ULONG) SampleGrabberCallback::Release()
+{
+    ULONG cRef = InterlockedDecrement(&m_cRef);
+    if (cRef == 0) {
+        delete this;
+    }
+    return cRef;
+
+}
+
+// IMFClockStateSink methods.
+
+STDMETHODIMP SampleGrabberCallback::OnClockStart(MFTIME hnsSystemTime, LONGLONG llClockStartOffset)
+{
+    Q_UNUSED(hnsSystemTime);
+    Q_UNUSED(llClockStartOffset);
+    return S_OK;
+}
+
+STDMETHODIMP SampleGrabberCallback::OnClockStop(MFTIME hnsSystemTime)
+{
+    Q_UNUSED(hnsSystemTime);
+    return S_OK;
+}
+
+STDMETHODIMP SampleGrabberCallback::OnClockPause(MFTIME hnsSystemTime)
+{
+    Q_UNUSED(hnsSystemTime);
+    return S_OK;
+}
+
+STDMETHODIMP SampleGrabberCallback::OnClockRestart(MFTIME hnsSystemTime)
+{
+    Q_UNUSED(hnsSystemTime);
+    return S_OK;
+}
+
+STDMETHODIMP SampleGrabberCallback::OnClockSetRate(MFTIME hnsSystemTime, float flRate)
+{
+    Q_UNUSED(hnsSystemTime);
+    Q_UNUSED(flRate);
+    return S_OK;
+}
+
+// IMFSampleGrabberSink methods.
+
+STDMETHODIMP SampleGrabberCallback::OnSetPresentationClock(IMFPresentationClock* pClock)
+{
+    Q_UNUSED(pClock);
+    return S_OK;
+}
+
+STDMETHODIMP SampleGrabberCallback::OnShutdown()
+{
+    return S_OK;
+}
+
+void AudioSampleGrabberCallback::addProbe(MFAudioProbeControl* probe)
+{
+    QMutexLocker locker(&m_audioProbeMutex);
+
+    if (m_audioProbes.contains(probe))
+        return;
+
+    m_audioProbes.append(probe);
+}
+
+void AudioSampleGrabberCallback::removeProbe(MFAudioProbeControl* probe)
+{
+    QMutexLocker locker(&m_audioProbeMutex);
+    m_audioProbes.removeOne(probe);
+}
+
+void AudioSampleGrabberCallback::setFormat(const QAudioFormat& format)
+{
+    m_format = format;
+}
+
+STDMETHODIMP AudioSampleGrabberCallback::OnProcessSample(REFGUID guidMajorMediaType, DWORD dwSampleFlags,
+    LONGLONG llSampleTime, LONGLONG llSampleDuration, const BYTE * pSampleBuffer,
+    DWORD dwSampleSize)
+{
+    Q_UNUSED(dwSampleFlags);
+    Q_UNUSED(llSampleTime);
+    Q_UNUSED(llSampleDuration);
+
+    if (guidMajorMediaType != GUID_NULL && guidMajorMediaType != MFMediaType_Audio)
+        return S_OK;
+
+    QMutexLocker locker(&m_audioProbeMutex);
+
+    if (m_audioProbes.isEmpty())
+        return S_OK;
+
+    // Check if sample has a presentation time
+    if (llSampleTime == _I64_MAX) {
+        // Set default QAudioBuffer start time
+        llSampleTime = -1;
+    } else {
+        // WMF uses 100-nanosecond units, Qt uses microseconds
+        llSampleTime /= 10;
+    }
+
+    foreach (MFAudioProbeControl* probe, m_audioProbes)
+        probe->bufferProbed((const char*)pSampleBuffer, dwSampleSize, m_format, llSampleTime);
+
+    return S_OK;
+}