1 /*****************************************************************************
2 * filter.h : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002-2004, 2008 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
45 # define _I64_MAX LONG_LONG_MAX
47 # define LONGLONG long long
52 extern const GUID MEDIASUBTYPE_I420
;
53 extern const GUID MEDIASUBTYPE_PREVIEW_VIDEO
;
55 typedef struct VLCMediaSample
57 IMediaSample
*p_sample
;
64 void WINAPI
FreeMediaType( AM_MEDIA_TYPE
& mt
);
65 HRESULT WINAPI
CopyMediaType( AM_MEDIA_TYPE
*pmtTarget
,
66 const AM_MEDIA_TYPE
*pmtSource
);
68 int GetFourCCFromMediaType(const AM_MEDIA_TYPE
&media_type
);
70 /****************************************************************************
71 * Declaration of our dummy directshow filter pin class
72 ****************************************************************************/
73 class CapturePin
: public IPin
, public IMemInputPin
75 friend class CaptureEnumMediaTypes
;
77 vlc_object_t
*p_input
;
79 CaptureFilter
*p_filter
;
81 IPin
*p_connected_pin
;
83 AM_MEDIA_TYPE
*media_types
;
84 size_t media_type_count
;
86 AM_MEDIA_TYPE cx_media_type
;
88 deque
<VLCMediaSample
> samples_queue
;
93 CapturePin( vlc_object_t
*_p_input
, access_sys_t
*p_sys
,
94 CaptureFilter
*_p_filter
,
95 AM_MEDIA_TYPE
*mt
, size_t mt_count
);
96 virtual ~CapturePin();
98 /* IUnknown methods */
99 STDMETHODIMP
QueryInterface(REFIID riid
, void **ppv
);
100 STDMETHODIMP_(ULONG
) AddRef();
101 STDMETHODIMP_(ULONG
) Release();
104 STDMETHODIMP
Connect( IPin
* pReceivePin
, const AM_MEDIA_TYPE
*pmt
);
105 STDMETHODIMP
ReceiveConnection( IPin
* pConnector
,
106 const AM_MEDIA_TYPE
*pmt
);
107 STDMETHODIMP
Disconnect();
108 STDMETHODIMP
ConnectedTo( IPin
**pPin
);
109 STDMETHODIMP
ConnectionMediaType( AM_MEDIA_TYPE
*pmt
);
110 STDMETHODIMP
QueryPinInfo( PIN_INFO
* pInfo
);
111 STDMETHODIMP
QueryDirection( PIN_DIRECTION
* pPinDir
);
112 STDMETHODIMP
QueryId( LPWSTR
* Id
);
113 STDMETHODIMP
QueryAccept( const AM_MEDIA_TYPE
*pmt
);
114 STDMETHODIMP
EnumMediaTypes( IEnumMediaTypes
**ppEnum
);
115 STDMETHODIMP
QueryInternalConnections( IPin
* *apPin
, ULONG
*nPin
);
116 STDMETHODIMP
EndOfStream( void );
118 STDMETHODIMP
BeginFlush( void );
119 STDMETHODIMP
EndFlush( void );
120 STDMETHODIMP
NewSegment( REFERENCE_TIME tStart
, REFERENCE_TIME tStop
,
123 /* IMemInputPin methods */
124 STDMETHODIMP
GetAllocator( IMemAllocator
**ppAllocator
);
125 STDMETHODIMP
NotifyAllocator( IMemAllocator
*pAllocator
, BOOL bReadOnly
);
126 STDMETHODIMP
GetAllocatorRequirements( ALLOCATOR_PROPERTIES
*pProps
);
127 STDMETHODIMP
Receive( IMediaSample
*pSample
);
128 STDMETHODIMP
ReceiveMultiple( IMediaSample
**pSamples
, long nSamples
,
129 long *nSamplesProcessed
);
130 STDMETHODIMP
ReceiveCanBlock( void );
133 HRESULT
CustomGetSample( VLCMediaSample
* );
134 HRESULT
CustomGetSamples( deque
<VLCMediaSample
> &external_queue
);
136 AM_MEDIA_TYPE
&CustomGetMediaType();
139 /****************************************************************************
140 * Declaration of our dummy directshow filter class
141 ****************************************************************************/
142 class CaptureFilter
: public IBaseFilter
144 friend class CapturePin
;
146 vlc_object_t
*p_input
;
148 IFilterGraph
*p_graph
;
149 //AM_MEDIA_TYPE media_type;
155 CaptureFilter( vlc_object_t
*_p_input
, access_sys_t
*p_sys
,
156 AM_MEDIA_TYPE
*mt
, size_t mt_count
);
157 virtual ~CaptureFilter();
159 /* IUnknown methods */
160 STDMETHODIMP
QueryInterface(REFIID riid
, void **ppv
);
161 STDMETHODIMP_(ULONG
) AddRef();
162 STDMETHODIMP_(ULONG
) Release();
164 /* IPersist method */
165 STDMETHODIMP
GetClassID(CLSID
*pClsID
);
167 /* IMediaFilter methods */
168 STDMETHODIMP
GetState(DWORD dwMSecs
, FILTER_STATE
*State
);
169 STDMETHODIMP
SetSyncSource(IReferenceClock
*pClock
);
170 STDMETHODIMP
GetSyncSource(IReferenceClock
**pClock
);
172 STDMETHODIMP
Pause();
173 STDMETHODIMP
Run(REFERENCE_TIME tStart
);
175 /* IBaseFilter methods */
176 STDMETHODIMP
EnumPins( IEnumPins
** ppEnum
);
177 STDMETHODIMP
FindPin( LPCWSTR Id
, IPin
** ppPin
);
178 STDMETHODIMP
QueryFilterInfo( FILTER_INFO
* pInfo
);
179 STDMETHODIMP
JoinFilterGraph( IFilterGraph
* pGraph
, LPCWSTR pName
);
180 STDMETHODIMP
QueryVendorInfo( LPWSTR
* pVendorInfo
);
183 CapturePin
*CustomGetPin();
186 /****************************************************************************
187 * Declaration of our dummy directshow enumpins class
188 ****************************************************************************/
189 class CaptureEnumPins
: public IEnumPins
191 vlc_object_t
*p_input
;
192 CaptureFilter
*p_filter
;
198 CaptureEnumPins( vlc_object_t
*_p_input
, CaptureFilter
*_p_filter
,
199 CaptureEnumPins
*pEnumPins
);
200 virtual ~CaptureEnumPins();
203 STDMETHODIMP
QueryInterface( REFIID riid
, void **ppv
);
204 STDMETHODIMP_(ULONG
) AddRef();
205 STDMETHODIMP_(ULONG
) Release();
208 STDMETHODIMP
Next( ULONG cPins
, IPin
** ppPins
, ULONG
* pcFetched
);
209 STDMETHODIMP
Skip( ULONG cPins
);
210 STDMETHODIMP
Reset();
211 STDMETHODIMP
Clone( IEnumPins
**ppEnum
);
214 /****************************************************************************
215 * Declaration of our dummy directshow enummediatypes class
216 ****************************************************************************/
217 class CaptureEnumMediaTypes
: public IEnumMediaTypes
219 vlc_object_t
*p_input
;
221 AM_MEDIA_TYPE cx_media_type
;
227 CaptureEnumMediaTypes( vlc_object_t
*_p_input
, CapturePin
*_p_pin
,
228 CaptureEnumMediaTypes
*pEnumMediaTypes
);
230 virtual ~CaptureEnumMediaTypes();
233 STDMETHODIMP
QueryInterface( REFIID riid
, void **ppv
);
234 STDMETHODIMP_(ULONG
) AddRef();
235 STDMETHODIMP_(ULONG
) Release();
238 STDMETHODIMP
Next( ULONG cMediaTypes
, AM_MEDIA_TYPE
** ppMediaTypes
,
240 STDMETHODIMP
Skip( ULONG cMediaTypes
);
241 STDMETHODIMP
Reset();
242 STDMETHODIMP
Clone( IEnumMediaTypes
**ppEnum
);