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office-gobmx/avmedia/source/win/player.cxx
Mike Kaganski 1944e3ddc0 Rename and move SAL_U/W to o3tl::toU/W 
Previosly (since commit 9ac98e6e34)
it was expected to gradually remove SAL_U/W usage in Windows code
by replacing with reinterpret_cast or changing to some bettertypes.
But as it's useful to make use of fact that LibreOffice and Windows
use compatible representation of strings, this commit puts these
functions to a better-suited o3tl, and recommends that the functions
be consistently used throughout Windows-specific code to reflect the
compatibility and keep the casts safe.

Change-Id: I2f7c65606d0e2d0c01a00f08812bb4ab7659c5f6
Reviewed-on: https://gerrit.libreoffice.org/43150
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2017-10-05 16:02:52 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#if defined _MSC_VER
#pragma warning(push, 1)
#pragma warning(disable: 4917)
#endif
#include <objbase.h>
#include <strmif.h>
#include <control.h>
#include <uuids.h>
#include <evcode.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include "player.hxx"
#include "framegrabber.hxx"
#include "window.hxx"
#include <cppuhelper/supportsservice.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#define AVMEDIA_WIN_PLAYER_IMPLEMENTATIONNAME "com.sun.star.comp.avmedia.Player_DirectX"
#define AVMEDIA_WIN_PLAYER_SERVICENAME "com.sun.star.media.Player_DirectX"
using namespace ::com::sun::star;
namespace avmedia { namespace win {
LRESULT CALLBACK MediaPlayerWndProc_2( HWND hWnd,UINT nMsg, WPARAM nPar1, LPARAM nPar2 )
{
Player* pPlayer = reinterpret_cast<Player*>(::GetWindowLongPtrW( hWnd, 0 ));
bool bProcessed = true;
if( pPlayer )
{
switch( nMsg )
{
case WM_GRAPHNOTIFY:
pPlayer->processEvent();
break;
default:
bProcessed = false;
break;
}
}
else
bProcessed = false;
return( bProcessed ? 0 : DefWindowProcW( hWnd, nMsg, nPar1, nPar2 ) );
}
Player::Player( const uno::Reference< lang::XMultiServiceFactory >& rxMgr ) :
Player_BASE(m_aMutex),
mxMgr( rxMgr ),
mpGB( nullptr ),
mpOMF( nullptr ),
mpMC( nullptr ),
mpME( nullptr ),
mpMS( nullptr ),
mpMP( nullptr ),
mpBA( nullptr ),
mpBV( nullptr ),
mpVW( nullptr ),
mpEV( nullptr ),
mnUnmutedVolume( 0 ),
mnFrameWnd( nullptr ),
mbMuted( false ),
mbLooping( false ),
mbAddWindow( true )
{
::CoInitialize( nullptr );
}
Player::~Player()
{
if( mnFrameWnd )
::DestroyWindow( mnFrameWnd );
::CoUninitialize();
}
void SAL_CALL Player::disposing()
{
::osl::MutexGuard aGuard(m_aMutex);
stop();
if( mpBA )
mpBA->Release();
if( mpBV )
mpBV->Release();
if( mpVW )
mpVW->Release();
if( mpMP )
mpMP->Release();
if( mpMS )
mpMS->Release();
if( mpME )
{
mpME->SetNotifyWindow( 0, WM_GRAPHNOTIFY, 0);
mpME->Release();
}
if( mpMC )
mpMC->Release();
if( mpEV )
mpEV->Release();
if( mpOMF )
mpOMF->Release();
if( mpGB )
mpGB->Release();
}
bool Player::create( const OUString& rURL )
{
HRESULT hR;
bool bRet = false;
if( SUCCEEDED( hR = CoCreateInstance( CLSID_FilterGraph, nullptr, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, reinterpret_cast<void**>(&mpGB) ) ) )
{
// Don't use the overlay mixer on Windows Vista
// It disables the desktop composition as soon as RenderFile is called
// also causes some other problems: video rendering is not reliable
if( SUCCEEDED( hR = mpGB->RenderFile( o3tl::toW(rURL.getStr()), nullptr ) ) &&
SUCCEEDED( hR = mpGB->QueryInterface( IID_IMediaControl, reinterpret_cast<void**>(&mpMC) ) ) &&
SUCCEEDED( hR = mpGB->QueryInterface( IID_IMediaEventEx, reinterpret_cast<void**>(&mpME) ) ) &&
SUCCEEDED( hR = mpGB->QueryInterface( IID_IMediaSeeking, reinterpret_cast<void**>(&mpMS) ) ) &&
SUCCEEDED( hR = mpGB->QueryInterface( IID_IMediaPosition, reinterpret_cast<void**>(&mpMP) ) ) )
{
// Video interfaces
mpGB->QueryInterface( IID_IVideoWindow, reinterpret_cast<void**>(&mpVW) );
mpGB->QueryInterface( IID_IBasicVideo, reinterpret_cast<void**>(&mpBV) );
// Audio interface
mpGB->QueryInterface( IID_IBasicAudio, reinterpret_cast<void**>(&mpBA) );
if( mpBA )
mpBA->put_Volume( mnUnmutedVolume );
bRet = true;
}
}
if( bRet )
maURL = rURL;
else
maURL.clear();
return bRet;
}
const IVideoWindow* Player::getVideoWindow() const
{
return mpVW;
}
void Player::setNotifyWnd( HWND nNotifyWnd )
{
mbAddWindow = false;
if( mpME )
mpME->SetNotifyWindow( reinterpret_cast<OAHWND>(nNotifyWnd), WM_GRAPHNOTIFY, reinterpret_cast< LONG_PTR>( this ) );
}
long Player::processEvent()
{
long nCode;
LONG_PTR nParam1, nParam2;
while( mpME && SUCCEEDED( mpME->GetEvent( &nCode, &nParam1, &nParam2, 0 ) ) )
{
if( EC_COMPLETE == nCode )
{
if( mbLooping )
{
setMediaTime( 0.0 );
start();
}
else
{
setMediaTime( getDuration() );
stop();
}
}
mpME->FreeEventParams( nCode, nParam1, nParam2 );
}
return 0;
}
void SAL_CALL Player::start( )
{
::osl::MutexGuard aGuard(m_aMutex);
if( mpMC )
{
if ( mbAddWindow )
{
static WNDCLASSW* mpWndClass = nullptr;
if ( !mpWndClass )
{
mpWndClass = new WNDCLASSW;
memset( mpWndClass, 0, sizeof( *mpWndClass ) );
mpWndClass->hInstance = GetModuleHandleW( nullptr );
mpWndClass->cbWndExtra = sizeof( DWORD );
mpWndClass->lpfnWndProc = MediaPlayerWndProc_2;
mpWndClass->lpszClassName = L"com_sun_star_media_Sound_Player";
mpWndClass->hbrBackground = static_cast<HBRUSH>(::GetStockObject( BLACK_BRUSH ));
mpWndClass->hCursor = ::LoadCursor( nullptr, IDC_ARROW );
RegisterClassW( mpWndClass );
}
if ( !mnFrameWnd )
{
mnFrameWnd = CreateWindowW( mpWndClass->lpszClassName, nullptr,
0,
0, 0, 0, 0,
nullptr, nullptr, mpWndClass->hInstance, nullptr );
if ( mnFrameWnd )
{
::ShowWindow(mnFrameWnd, SW_HIDE);
SetWindowLongPtrW( mnFrameWnd, 0, reinterpret_cast<LONG_PTR>(this) );
// mpVW->put_Owner( (OAHWND) mnFrameWnd );
setNotifyWnd( mnFrameWnd );
}
}
}
mpMC->Run();
}
}
void SAL_CALL Player::stop( )
{
::osl::MutexGuard aGuard(m_aMutex);
if( mpMC )
mpMC->Stop();
}
sal_Bool SAL_CALL Player::isPlaying()
{
::osl::MutexGuard aGuard(m_aMutex);
OAFilterState eFilterState;
bool bRet = false;
if( mpMC && SUCCEEDED( mpMC->GetState( 10, &eFilterState ) ) )
bRet = ( State_Running == eFilterState );
return bRet;
}
double SAL_CALL Player::getDuration( )
{
::osl::MutexGuard aGuard(m_aMutex);
REFTIME aRefTime( 0.0 );
if( mpMP )
mpMP->get_Duration( &aRefTime );
return aRefTime;
}
void SAL_CALL Player::setMediaTime( double fTime )
{
::osl::MutexGuard aGuard(m_aMutex);
if( mpMP )
{
const bool bPlaying = isPlaying();
mpMP->put_CurrentPosition( fTime );
if( !bPlaying && mpMC )
mpMC->StopWhenReady();
}
}
double SAL_CALL Player::getMediaTime( )
{
::osl::MutexGuard aGuard(m_aMutex);
REFTIME aRefTime( 0.0 );
if( mpMP )
mpMP->get_CurrentPosition( &aRefTime );
return aRefTime;
}
void SAL_CALL Player::setPlaybackLoop( sal_Bool bSet )
{
::osl::MutexGuard aGuard(m_aMutex);
mbLooping = bSet;
}
sal_Bool SAL_CALL Player::isPlaybackLoop( )
{
::osl::MutexGuard aGuard(m_aMutex);
return mbLooping;
}
void SAL_CALL Player::setMute( sal_Bool bSet )
{
::osl::MutexGuard aGuard(m_aMutex);
if (mpBA && (mbMuted != static_cast<bool>(bSet)))
{
mbMuted = bSet;
mpBA->put_Volume( mbMuted ? -10000 : mnUnmutedVolume );
}
}
sal_Bool SAL_CALL Player::isMute( )
{
::osl::MutexGuard aGuard(m_aMutex);
return mbMuted;
}
void SAL_CALL Player::setVolumeDB( sal_Int16 nVolumeDB )
{
::osl::MutexGuard aGuard(m_aMutex);
mnUnmutedVolume = static_cast< long >( nVolumeDB ) * 100;
if( !mbMuted && mpBA )
mpBA->put_Volume( mnUnmutedVolume );
}
sal_Int16 SAL_CALL Player::getVolumeDB( )
{
::osl::MutexGuard aGuard(m_aMutex);
return static_cast< sal_Int16 >( mnUnmutedVolume / 100 );
}
awt::Size SAL_CALL Player::getPreferredPlayerWindowSize( )
{
::osl::MutexGuard aGuard(m_aMutex);
awt::Size aSize( 0, 0 );
if( mpBV )
{
long nWidth = 0, nHeight = 0;
mpBV->GetVideoSize( &nWidth, &nHeight );
aSize.Width = nWidth;
aSize.Height = nHeight;
}
return aSize;
}
uno::Reference< ::media::XPlayerWindow > SAL_CALL Player::createPlayerWindow( const uno::Sequence< uno::Any >& aArguments )
{
::osl::MutexGuard aGuard(m_aMutex);
uno::Reference< ::media::XPlayerWindow > xRet;
awt::Size aSize( getPreferredPlayerWindowSize() );
if( mpVW && aSize.Width > 0 && aSize.Height > 0 )
{
::avmedia::win::Window* pWindow = new ::avmedia::win::Window( mxMgr, *this );
xRet = pWindow;
if( !pWindow->create( aArguments ) )
xRet.clear();
}
return xRet;
}
uno::Reference< media::XFrameGrabber > SAL_CALL Player::createFrameGrabber( )
{
uno::Reference< media::XFrameGrabber > xRet;
if( !maURL.isEmpty() )
{
FrameGrabber* pGrabber = new FrameGrabber( mxMgr );
xRet = pGrabber;
if( !pGrabber->create( maURL ) )
xRet.clear();
}
return xRet;
}
OUString SAL_CALL Player::getImplementationName( )
{
return OUString( AVMEDIA_WIN_PLAYER_IMPLEMENTATIONNAME );
}
sal_Bool SAL_CALL Player::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL Player::getSupportedServiceNames( )
{
return { AVMEDIA_WIN_PLAYER_SERVICENAME };
}
} // namespace win
} // namespace avmedia
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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