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authorLiang Qi <liang.qi@qt.io>2016-11-04 11:27:51 +0100
committerLiang Qi <liang.qi@qt.io>2016-11-04 11:30:08 +0100
commitd3a2d9c96994c56d67467c131b8f080510d1a8fd (patch)
tree088c55da965b1fb6bb327b2821afc4755eab8117 /src/plugins/wmf/player/samplegrabber.cpp
parent256ff7bb1551f6c62c4ac861472ea29f45dbab3a (diff)
parent75b4283fb05d07fb8654e031f266e9918f1ae647 (diff)
Merge remote-tracking branch 'origin/5.6' into 5.7
Diffstat (limited to 'src/plugins/wmf/player/samplegrabber.cpp')
-rw-r--r--src/plugins/wmf/player/samplegrabber.cpp173
1 files changed, 173 insertions, 0 deletions
diff --git a/src/plugins/wmf/player/samplegrabber.cpp b/src/plugins/wmf/player/samplegrabber.cpp
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+++ b/src/plugins/wmf/player/samplegrabber.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+ }
+
+ for (MFAudioProbeControl* probe : qAsConst(m_audioProbes))
+ probe->bufferProbed((const char*)pSampleBuffer, dwSampleSize, m_format, llSampleTime);
+
+ return S_OK;
+}