mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-03 01:31:53 +02:00
115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*****************************************************************************
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* bdagraph.h : DirectShow BDA graph builder header for vlc
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*****************************************************************************
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* Copyright ( C ) 2007 the VideoLAN team
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*
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* Author: Ken Self <kenself(at)optusnet(dot)com(dot)au>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* ( at your option ) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <queue>
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using namespace std;
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#ifndef _MSC_VER
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# include <wtypes.h>
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# include <unknwn.h>
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# include <ole2.h>
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# include <limits.h>
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# ifdef _WINGDI_
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# undef _WINGDI_
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# endif
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# define _WINGDI_ 1
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# define AM_NOVTABLE
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# define _OBJBASE_H_
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# undef _X86_
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# define _I64_MAX LONG_LONG_MAX
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# define LONGLONG long long
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/* Work-around a bug in w32api-2.5 */
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/* # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE */
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#endif
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/* Needed to call CoInitializeEx */
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#define _WIN32_DCOM
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#include <dshow.h>
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#include <comcat.h>
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#include <ks.h>
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#include "bdadefs.h"
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#include "bda.h"
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/* The main class for building the filter graph */
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class BDAGraph : public ISampleGrabberCB
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{
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public:
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BDAGraph( access_t* p_access );
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virtual ~BDAGraph();
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int SubmitATSCTuneRequest();
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int SubmitDVBTTuneRequest();
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int SubmitDVBCTuneRequest();
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int SubmitDVBSTuneRequest();
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long GetBufferSize();
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long ReadBuffer( long* l_buffer_len, BYTE* p_buff );
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private:
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/* ISampleGrabberCB methods */
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ULONG ul_cbrc;
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STDMETHODIMP_( ULONG ) AddRef( ) { return ++ul_cbrc; }
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STDMETHODIMP_( ULONG ) Release( ) { return --ul_cbrc; }
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STDMETHODIMP QueryInterface( REFIID riid, void** p_p_object )
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{ return E_NOTIMPL; }
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STDMETHODIMP SampleCB( double d_time, IMediaSample* p_sample );
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STDMETHODIMP BufferCB( double d_time, BYTE* p_buffer, long l_buffer_len );
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access_t* p_access;
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CLSID guid_network_type;
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long l_tuner_used; /* Index of the Tuning Device */
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/* registration number for the RunningObjectTable */
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DWORD d_graph_register;
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queue<IMediaSample*> queue_sample;
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queue<IMediaSample*> queue_buffer;
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BOOL b_ready;
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IMediaControl* p_media_control;
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IGraphBuilder* p_filter_graph;
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ITuningSpace* p_tuning_space;
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ITuneRequest* p_tune_request;
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ICreateDevEnum* p_system_dev_enum;
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IBaseFilter* p_network_provider;
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IScanningTuner* p_scanning_tuner;
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IBaseFilter* p_tuner_device;
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IBaseFilter* p_capture_device;
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IBaseFilter* p_sample_grabber;
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IBaseFilter* p_mpeg_demux;
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IBaseFilter* p_transport_info;
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ISampleGrabber* p_grabber;
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HRESULT CreateTuneRequest( );
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HRESULT Build( );
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HRESULT FindFilter( REFCLSID clsid, long* i_moniker_used,
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IBaseFilter* p_upstream, IBaseFilter** p_p_downstream );
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HRESULT Connect( IBaseFilter* p_filter_upstream,
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IBaseFilter* p_filter_downstream );
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HRESULT Start( );
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HRESULT Destroy( );
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HRESULT Register( );
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void Deregister( );
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};
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