/* This file is part of the KDE project. | |
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | |
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 or 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 "fakesource.h" | |
#include "qpin.h" | |
#include <dshow.h> | |
#include <initguid.h> | |
#include <dvdmedia.h> // VIDEOINFOHEADER2 | |
QT_BEGIN_NAMESPACE | |
namespace Phonon | |
{ | |
namespace DS9 | |
{ | |
static WAVEFORMATEX g_defaultWaveFormat = {WAVE_FORMAT_PCM, 2, 44100, 176400, 4, 16, 0}; | |
static VIDEOINFOHEADER2 g_defaultVideoInfo = { { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, 0, 0, 0, 0, 0, 0, {0}, 0, {sizeof(BITMAPINFOHEADER), 1, 1, 1, 0, 0, 0, 0, 0, 0, 0} }; | |
static const AM_MEDIA_TYPE g_fakeAudioType = {MEDIATYPE_Audio, MEDIASUBTYPE_PCM, 0, 0, 2, FORMAT_WaveFormatEx, 0, sizeof(WAVEFORMATEX), reinterpret_cast<BYTE*>(&g_defaultWaveFormat)}; | |
static const AM_MEDIA_TYPE g_fakeVideoType = {MEDIATYPE_Video, MEDIASUBTYPE_RGB32, TRUE, FALSE, 0, FORMAT_VideoInfo2, 0, sizeof(VIDEOINFOHEADER2), reinterpret_cast<BYTE*>(&g_defaultVideoInfo)}; | |
class FakePin : public QPin | |
{ | |
public: | |
FakePin(FakeSource *source, const AM_MEDIA_TYPE &mt) : | |
QPin(source, PINDIR_OUTPUT, QVector<AM_MEDIA_TYPE>() << mt), m_source(source) | |
{ | |
setAvailable(true); | |
} | |
~FakePin() | |
{ | |
} | |
STDMETHODIMP Disconnect() | |
{ | |
HRESULT hr = QPin::Disconnect(); | |
if (SUCCEEDED(hr)) { | |
setAvailable(true); | |
} | |
return hr; | |
} | |
STDMETHODIMP Connect(IPin *pin, const AM_MEDIA_TYPE *type) | |
{ | |
HRESULT hr = QPin::Connect(pin, type); | |
if (SUCCEEDED(hr)) { | |
setAvailable(false); | |
} | |
return hr; | |
} | |
private: | |
void setAvailable(bool avail) | |
{ | |
if (mediaTypes().first().majortype == MEDIATYPE_Audio) { | |
if (avail) { | |
m_source->addAvailableAudioPin(this); | |
} else { | |
m_source->removeAvailableAudioPin(this); | |
} | |
} else { | |
if (avail) { | |
m_source->addAvailableVideoPin(this); | |
} else { | |
m_source->removeAvailableVideoPin(this); | |
} | |
} | |
} | |
FakeSource *m_source; | |
}; | |
FakeSource::FakeSource() : QBaseFilter(CLSID_NULL) | |
{ | |
createFakeAudioPin(); | |
createFakeVideoPin(); | |
} | |
FakeSource::~FakeSource() | |
{ | |
} | |
void FakeSource::addAvailableAudioPin(FakePin *pin) | |
{ | |
availableAudioPins += pin; | |
} | |
void FakeSource::addAvailableVideoPin(FakePin *pin) | |
{ | |
availableVideoPins += pin; | |
} | |
void FakeSource::removeAvailableAudioPin(FakePin *pin) | |
{ | |
availableAudioPins -= pin; | |
if (availableAudioPins.isEmpty()) { | |
createFakeAudioPin(); | |
} | |
} | |
void FakeSource::removeAvailableVideoPin(FakePin *pin) | |
{ | |
availableVideoPins -= pin; | |
if (availableVideoPins.isEmpty()) { | |
createFakeVideoPin(); | |
} | |
} | |
void FakeSource::createFakeAudioPin() | |
{ | |
new FakePin(this, g_fakeAudioType); | |
} | |
void FakeSource::createFakeVideoPin() | |
{ | |
new FakePin(this, g_fakeVideoType); | |
} | |
} | |
} | |
QT_END_NAMESPACE |