Get rid of plugins for MM backends

There's no need for having those in plugins and we can
further remove abstractions and simplify our code if
the code is directly compiled into Qt Multimedia.

Change-Id: I5267a6a776375d99be8f0de4207f0288d963e620
Reviewed-by: Doris Verria <doris.verria@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 0 insertions, 361 deletions

diff --git a/src/plugins/wmf/mfstream.cpp b/src/plugins/wmf/mfstream.cpp
deleted file mode 100644
index a98b5a704..000000000
--- a/src/plugins/wmf/mfstream.cpp
+++ /dev/null
@@ -1,361 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Mobility Components.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 "mfstream.h"
-#include <QtCore/qcoreapplication.h>
-
-//MFStream is added for supporting QIODevice type of media source.
-//It is used to delegate invocations from media foundation(through IMFByteStream) to QIODevice.
-
-MFStream::MFStream(QIODevice *stream, bool ownStream)
-    : m_cRef(1)
-    , m_stream(stream)
-    , m_ownStream(ownStream)
-    , m_currentReadResult(0)
-{
-    //Move to the thread of the stream object
-    //to make sure invocations on stream
-    //are happened in the same thread of stream object
-    this->moveToThread(stream->thread());
-    connect(stream, SIGNAL(readyRead()), this, SLOT(handleReadyRead()));
-}
-
-MFStream::~MFStream()
-{
-    if (m_currentReadResult)
-        m_currentReadResult->Release();
-    if (m_ownStream)
-        m_stream->deleteLater();
-}
-
-//from IUnknown
-STDMETHODIMP MFStream::QueryInterface(REFIID riid, LPVOID *ppvObject)
-{
-    if (!ppvObject)
-        return E_POINTER;
-    if (riid == IID_IMFByteStream) {
-        *ppvObject = static_cast<IMFByteStream*>(this);
-    } else if (riid == IID_IUnknown) {
-        *ppvObject = static_cast<IUnknown*>(this);
-    } else {
-        *ppvObject =  NULL;
-        return E_NOINTERFACE;
-    }
-    AddRef();
-    return S_OK;
-}
-
-STDMETHODIMP_(ULONG) MFStream::AddRef(void)
-{
-    return InterlockedIncrement(&m_cRef);
-}
-
-STDMETHODIMP_(ULONG) MFStream::Release(void)
-{
-    LONG cRef = InterlockedDecrement(&m_cRef);
-    if (cRef == 0) {
-        this->deleteLater();
-    }
-    return cRef;
-}
-
-
-//from IMFByteStream
-STDMETHODIMP MFStream::GetCapabilities(DWORD *pdwCapabilities)
-{
-    if (!pdwCapabilities)
-        return E_INVALIDARG;
-    *pdwCapabilities = MFBYTESTREAM_IS_READABLE;
-    if (!m_stream->isSequential())
-        *pdwCapabilities |= MFBYTESTREAM_IS_SEEKABLE;
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::GetLength(QWORD *pqwLength)
-{
-    if (!pqwLength)
-        return E_INVALIDARG;
-    QMutexLocker locker(&m_mutex);
-    *pqwLength = QWORD(m_stream->size());
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::SetLength(QWORD)
-{
-    return E_NOTIMPL;
-}
-
-STDMETHODIMP MFStream::GetCurrentPosition(QWORD *pqwPosition)
-{
-    if (!pqwPosition)
-        return E_INVALIDARG;
-    QMutexLocker locker(&m_mutex);
-    *pqwPosition = m_stream->pos();
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::SetCurrentPosition(QWORD qwPosition)
-{
-    QMutexLocker locker(&m_mutex);
-    //SetCurrentPosition may happend during the BeginRead/EndRead pair,
-    //refusing to execute SetCurrentPosition during that time seems to be
-    //the simplest workable solution
-    if (m_currentReadResult)
-        return S_FALSE;
-
-    bool seekOK = m_stream->seek(qint64(qwPosition));
-    if (seekOK)
-        return S_OK;
-    else
-        return S_FALSE;
-}
-
-STDMETHODIMP MFStream::IsEndOfStream(BOOL *pfEndOfStream)
-{
-    if (!pfEndOfStream)
-        return E_INVALIDARG;
-    QMutexLocker locker(&m_mutex);
-    *pfEndOfStream = m_stream->atEnd() ? TRUE : FALSE;
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::Read(BYTE *pb, ULONG cb, ULONG *pcbRead)
-{
-    QMutexLocker locker(&m_mutex);
-    qint64 read = m_stream->read((char*)(pb), qint64(cb));
-    if (pcbRead)
-        *pcbRead = ULONG(read);
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::BeginRead(BYTE *pb, ULONG cb, IMFAsyncCallback *pCallback,
-                       IUnknown *punkState)
-{
-    if (!pCallback || !pb)
-        return E_INVALIDARG;
-
-    Q_ASSERT(m_currentReadResult == NULL);
-
-    AsyncReadState *state = new (std::nothrow) AsyncReadState(pb, cb);
-    if (state == NULL)
-        return E_OUTOFMEMORY;
-
-    HRESULT hr = MFCreateAsyncResult(state, pCallback, punkState, &m_currentReadResult);
-    state->Release();
-    if (FAILED(hr))
-        return hr;
-
-    QCoreApplication::postEvent(this, new QEvent(QEvent::User));
-    return hr;
-}
-
-STDMETHODIMP MFStream::EndRead(IMFAsyncResult* pResult, ULONG *pcbRead)
-{
-    if (!pcbRead)
-        return E_INVALIDARG;
-    IUnknown *pUnk;
-    pResult->GetObject(&pUnk);
-    AsyncReadState *state = static_cast<AsyncReadState*>(pUnk);
-    *pcbRead = state->bytesRead();
-    pUnk->Release();
-
-    m_currentReadResult->Release();
-    m_currentReadResult = NULL;
-
-    return S_OK;
-}
-
-STDMETHODIMP MFStream::Write(const BYTE *, ULONG, ULONG *)
-{
-    return E_NOTIMPL;
-}
-
-STDMETHODIMP MFStream::BeginWrite(const BYTE *, ULONG ,
-                        IMFAsyncCallback *,
-                        IUnknown *)
-{
-    return E_NOTIMPL;
-}
-
-STDMETHODIMP MFStream::EndWrite(IMFAsyncResult *,
-                      ULONG *)
-{
-    return E_NOTIMPL;
-}
-
-STDMETHODIMP MFStream::Seek(
-    MFBYTESTREAM_SEEK_ORIGIN SeekOrigin,
-    LONGLONG llSeekOffset,
-    DWORD,
-    QWORD *pqwCurrentPosition)
-{
-    QMutexLocker locker(&m_mutex);
-    if (m_currentReadResult)
-        return S_FALSE;
-
-    qint64 pos = qint64(llSeekOffset);
-    switch (SeekOrigin) {
-    case msoBegin:
-        break;
-    case msoCurrent:
-        pos += m_stream->pos();
-        break;
-    }
-    bool seekOK = m_stream->seek(pos);
-    if (pqwCurrentPosition)
-        *pqwCurrentPosition = pos;
-    if (seekOK)
-        return S_OK;
-    else
-        return S_FALSE;
-}
-
-STDMETHODIMP MFStream::Flush()
-{
-    return E_NOTIMPL;
-}
-
-STDMETHODIMP MFStream::Close()
-{
-    QMutexLocker locker(&m_mutex);
-    if (m_ownStream)
-        m_stream->close();
-    return S_OK;
-}
-
-void MFStream::doRead()
-{
-    bool readDone = true;
-    IUnknown *pUnk = NULL;
-    HRESULT    hr = m_currentReadResult->GetObject(&pUnk);
-    if (SUCCEEDED(hr)) {
-        //do actual read
-        AsyncReadState *state =  static_cast<AsyncReadState*>(pUnk);
-        ULONG cbRead;
-        Read(state->pb(), state->cb() - state->bytesRead(), &cbRead);
-        pUnk->Release();
-
-        state->setBytesRead(cbRead + state->bytesRead());
-        if (state->cb() > state->bytesRead() && !m_stream->atEnd()) {
-            readDone = false;
-        }
-    }
-
-    if (readDone) {
-        //now inform the original caller
-        m_currentReadResult->SetStatus(hr);
-        MFInvokeCallback(m_currentReadResult);
-    }
-}
-
-
-void MFStream::handleReadyRead()
-{
-    doRead();
-}
-
-void MFStream::customEvent(QEvent *event)
-{
-    if (event->type() != QEvent::User) {
-        QObject::customEvent(event);
-        return;
-    }
-    doRead();
-}
-
-//AsyncReadState is a helper class used in BeginRead for asynchronous operation
-//to record some BeginRead parameters, so these parameters could be
-//used later when actually executing the read operation in another thread.
-MFStream::AsyncReadState::AsyncReadState(BYTE *pb, ULONG cb)
-    : m_cRef(1)
-    , m_pb(pb)
-    , m_cb(cb)
-    , m_cbRead(0)
-{
-}
-
-//from IUnknown
-STDMETHODIMP MFStream::AsyncReadState::QueryInterface(REFIID riid, LPVOID *ppvObject)
-{
-    if (!ppvObject)
-        return E_POINTER;
-
-    if (riid == IID_IUnknown) {
-        *ppvObject = static_cast<IUnknown*>(this);
-    } else {
-        *ppvObject =  NULL;
-        return E_NOINTERFACE;
-    }
-    AddRef();
-    return S_OK;
-}
-
-STDMETHODIMP_(ULONG) MFStream::AsyncReadState::AddRef(void)
-{
-    return InterlockedIncrement(&m_cRef);
-}
-
-STDMETHODIMP_(ULONG) MFStream::AsyncReadState::Release(void)
-{
-    LONG cRef = InterlockedDecrement(&m_cRef);
-    if (cRef == 0)
-        delete this;
-    // For thread safety, return a temporary variable.
-    return cRef;
-}
-
-BYTE* MFStream::AsyncReadState::pb() const
-{
-    return m_pb;
-}
-
-ULONG MFStream::AsyncReadState::cb() const
-{
-    return m_cb;
-}
-
-ULONG MFStream::AsyncReadState::bytesRead() const
-{
-    return m_cbRead;
-}
-
-void MFStream::AsyncReadState::setBytesRead(ULONG cbRead)
-{
-    m_cbRead = cbRead;
-}