- the long awaited Windows BDA driver support for DVB/ATSC capture cards, courtesy of Ken Self.

configure.ac

@@ -1970,6 +1970,22 @@ then
   fi
 fi
 
+dnl
+dnl  Windows DirectShow BDA access module
+dnl
+AC_ARG_ENABLE(bda,
+  [  --enable-bda          Win32 DirectShow BDA support (default enabled on Win32)])
+if test "${enable_bda}" != "no"
+then
+  if test "${SYS}" = "mingw32" -o "${SYS}" = "cygwin"
+  then
+      AC_CHECK_HEADERS(dshow.h,
+      [ VLC_ADD_PLUGINS([bda])
+        VLC_ADD_CXXFLAGS([bda],[])
+        VLC_ADD_LDFLAGS([bda],[-lole32 -loleaut32 -luuid]) ])
+  fi
+fi
+
 
 dnl
 dnl  OpenCV wrapper and example filters
@@ -5794,6 +5810,7 @@ AC_CONFIG_FILES([
 
 AC_CONFIG_FILES([
   modules/access/Makefile
+  modules/access/bda/Makefile
   modules/access/dshow/Makefile
   modules/access/dvb/Makefile
   modules/access/mms/Makefile

modules/access/bda/Modules.am

+SOURCES_bda = bda.c bda.h bdagraph.h bdagraph.cpp bdadefs.h

modules/access/bda/bda.h

+/*****************************************************************************
+ * bda.h : DirectShow BDA access header for vlc
+ *****************************************************************************
+ * Copyright ( C ) 2007 the VideoLAN team
+ *
+ * Author: Ken Self <kens@campoz.fslife.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * ( at your option ) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifndef _MSC_VER
+#   include <wtypes.h>
+#   include <unknwn.h>
+#   include <ole2.h>
+#   include <limits.h>
+#   ifdef _WINGDI_
+#      undef _WINGDI_
+#   endif
+#   define _WINGDI_ 1
+#   define AM_NOVTABLE
+#   define _OBJBASE_H_
+#   undef _X86_
+#   define _I64_MAX LONG_LONG_MAX
+#   define LONGLONG long long
+#endif
+
+#ifdef __cplusplus
+class BDAGraph;
+extern "C" {
+#else
+typedef struct BDAGraph BDAGraph;
+#endif
+
+void dvb_newBDAGraph( access_t* p_access );
+void dvb_deleteBDAGraph( access_t* p_access );
+int dvb_SubmitATSCTuneRequest( access_t* p_access );
+int dvb_SubmitDVBTTuneRequest( access_t* p_access );
+int dvb_SubmitDVBCTuneRequest( access_t* p_access );
+int dvb_SubmitDVBSTuneRequest( access_t* p_access );
+long dvb_GetBufferSize( access_t* p_access );
+long dvb_ReadBuffer( access_t* p_access, long* l_buffer_len, BYTE* p_buff );
+
+#ifdef __cplusplus
+}
+#endif
+
+/****************************************************************************
+ * Access descriptor declaration
+ ****************************************************************************/
+struct access_sys_t
+{
+    /* These 2 must be left at the beginning */
+    vlc_mutex_t lock;
+    vlc_cond_t  wait;
+    BDAGraph *p_bda_module;
+};
+

modules/access/bda/bdagraph.h

+/*****************************************************************************
+ * bdagraph.h : DirectShow BDA graph builder header for vlc
+ *****************************************************************************
+ * Copyright ( C ) 2007 the VideoLAN team
+ *
+ * Author: Ken Self <kens@campoz.fslife.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * ( at your option ) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <queue>
+
+using namespace std;
+#ifndef _MSC_VER
+#   include <wtypes.h>
+#   include <unknwn.h>
+#   include <ole2.h>
+#   include <limits.h>
+#   ifdef _WINGDI_
+#      undef _WINGDI_
+#   endif
+#   define _WINGDI_ 1
+#   define AM_NOVTABLE
+#   define _OBJBASE_H_
+#   undef _X86_
+#   define _I64_MAX LONG_LONG_MAX
+#   define LONGLONG long long
+#endif
+
+#include <dshow.h>
+#include <comcat.h>
+#include "bdadefs.h"
+#include "bda.h"
+
+/* The main class for building the filter graph */
+class BDAGraph : public ISampleGrabberCB
+{
+public:
+    BDAGraph( access_t* p_access );
+    virtual ~BDAGraph();
+
+    int SubmitATSCTuneRequest();
+    int SubmitDVBTTuneRequest();
+    int SubmitDVBCTuneRequest();
+    int SubmitDVBSTuneRequest();
+    long GetBufferSize();
+    long ReadBuffer( long* l_buffer_len, BYTE* p_buff );
+
+private:
+    /* ISampleGrabberCB methods */
+    STDMETHODIMP_( ULONG ) AddRef( ) { return 1; }
+    STDMETHODIMP_( ULONG ) Release( ) { return 2; }
+    STDMETHODIMP QueryInterface( REFIID riid, void** p_p_object )
+        {return E_NOTIMPL;  }
+    STDMETHODIMP SampleCB( double d_time, IMediaSample* p_sample );
+    STDMETHODIMP BufferCB( double d_time, BYTE* p_buffer, long l_buffer_len );
+
+    access_t* p_access;
+    CLSID     guid_network_type;
+    long      l_tuner_used;        /* Index of the Tuning Device */
+    /* registration number for the RunningObjectTable */
+    DWORD     d_graph_register;
+
+    queue<IMediaSample*> queue_sample;
+    queue<IMediaSample*> queue_buffer;
+
+    IMediaControl*  p_media_control;
+    IGraphBuilder*  p_filter_graph;
+    ITuningSpace*   p_tuning_space;
+    ITuneRequest*   p_tune_request;
+
+    ICreateDevEnum* p_system_dev_enum;
+    IBaseFilter*    p_network_provider;
+    IScanningTuner* p_scanning_tuner;
+    IBaseFilter*    p_tuner_device;
+    IBaseFilter*    p_capture_device;
+    IBaseFilter*    p_sample_grabber;
+    IBaseFilter*    p_mpeg_demux;
+    IBaseFilter*    p_transport_info;
+    ISampleGrabber* p_grabber;
+
+    HRESULT CreateTuneRequest( );
+    HRESULT Build( );
+    HRESULT FindFilter( REFCLSID clsid, long* i_moniker_used,
+        IBaseFilter* p_upstream, IBaseFilter** p_p_downstream );
+    HRESULT Connect( IBaseFilter* p_filter_upstream,
+        IBaseFilter* p_filter_downstream );
+    HRESULT Start( );
+    HRESULT Destroy( );
+    HRESULT Register( );
+    void Deregister( );
+};
+