diff -r 000000000000 -r 1918ee327afb src/3rdparty/phonon/ds9/fakesource.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/3rdparty/phonon/ds9/fakesource.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,144 @@ +/* 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 . +*/ + +#include "fakesource.h" +#include "qpin.h" + +#include +#include +#include // 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(&g_defaultWaveFormat)}; + static const AM_MEDIA_TYPE g_fakeVideoType = {MEDIATYPE_Video, MEDIASUBTYPE_RGB32, TRUE, FALSE, 0, FORMAT_VideoInfo2, 0, sizeof(VIDEOINFOHEADER2), reinterpret_cast(&g_defaultVideoInfo)}; + + class FakePin : public QPin + { + public: + FakePin(FakeSource *source, const AM_MEDIA_TYPE &mt) : + QPin(source, PINDIR_OUTPUT, QVector() << 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