1 /*****************************************************************************
2 * filter.c : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002-2010 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 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_fourcc.h>
36 /* Work-around a bug in w32api-2.5 */
37 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
45 #define FILTER_NAME L"VideoLAN Capture Filter"
46 #define PIN_NAME L"Capture"
48 /*****************************************************************************
50 * Easier to define them here as mingw doesn't provide them all.
51 *****************************************************************************/
52 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
53 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310, 0x5D01, 0x11d0, {0xBD, 0x3B, 0x00, 0xA0, 0xC9, 0x11, 0xCE, 0x86}};
54 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
55 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
56 extern const GUID IID_IPropertyBag;
57 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
58 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
59 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
60 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
62 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
63 extern const GUID IID_IUnknown;
64 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
65 extern const GUID IID_IPersist;
66 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
67 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
68 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
69 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
70 extern const GUID IID_IMemInputPin;
72 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
73 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
75 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
77 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
78 extern const GUID IID_ISpecifyPropertyPages;
80 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
82 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
84 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
86 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
88 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
89 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
90 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
91 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
93 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
97 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
99 * MEDIATYPEs and MEDIASUBTYPEs
101 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
102 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
103 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
104 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
106 /* Packed RGB formats */
107 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
112 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
113 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
114 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
116 /* Packed YUV formats */
117 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
121 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
123 const GUID MEDIASUBTYPE_HDYC = {0x43594448, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
125 /* Planar YUV formats */
126 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
128 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
129 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
130 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
132 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
133 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
134 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
135 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
138 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
139 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
140 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
141 /* What about Pro formats, like 'dv25', 'dv50' and 'dvh1' */
144 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
145 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
146 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
147 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
150 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
153 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
156 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
172 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
173 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
174 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
175 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
177 const GUID AMPROPSETID_Pin = {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
178 const GUID PIN_CATEGORY_ANALOGVIDEOIN = {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
179 const GUID PIN_CATEGORY_CAPTURE = {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
180 const GUID LOOK_UPSTREAM_ONLY = {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
182 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
183 extern const GUID GUID_NULL;
185 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
187 if( mt.cbFormat != 0 )
189 CoTaskMemFree( (PVOID)mt.pbFormat );
193 if( mt.pUnk != NULL )
200 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
201 const AM_MEDIA_TYPE *pmtSource )
203 *pmtTarget = *pmtSource;
205 if( !pmtSource || !pmtTarget ) return S_FALSE;
207 if( pmtSource->cbFormat && pmtSource->pbFormat )
209 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
210 if( pmtTarget->pbFormat == NULL )
212 pmtTarget->cbFormat = 0;
213 return E_OUTOFMEMORY;
217 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
218 pmtTarget->cbFormat );
221 if( pmtTarget->pUnk != NULL )
223 pmtTarget->pUnk->AddRef();
229 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
233 if( media_type.majortype == MEDIATYPE_Video )
235 /* currently only support this type of video info format */
236 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
238 /* Packed RGB formats */
239 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
240 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
242 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
244 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
245 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
246 i_fourcc = VLC_CODEC_RGB15;
247 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
248 i_fourcc = VLC_CODEC_RGB16;
249 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
250 i_fourcc = VLC_CODEC_RGB24;
251 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
252 i_fourcc = VLC_CODEC_RGB32;
253 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
254 i_fourcc = VLC_CODEC_RGBA;
256 /* Planar YUV formats */
257 else if( media_type.subtype == MEDIASUBTYPE_I420 )
258 i_fourcc = VLC_CODEC_I420;
259 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
260 i_fourcc = VLC_CODEC_I411;
261 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
262 i_fourcc = VLC_CODEC_YV12;
263 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
264 i_fourcc = VLC_CODEC_YV12;
265 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
266 i_fourcc = VLC_CODEC_I410;
268 /* Packed YUV formats */
269 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
270 i_fourcc = VLC_CODEC_YVYU;
271 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
272 i_fourcc = VLC_CODEC_YUYV;
273 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
274 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
275 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
276 i_fourcc = VLC_CODEC_Y211;
277 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
278 i_fourcc = VLC_CODEC_YUYV;
279 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
280 i_fourcc = VLC_CODEC_UYVY;
281 /* HDYC uses UYVY sample positions but Rec709 colourimetry */
282 /* FIXME: When VLC understands colourspace, something will need
283 * to be added / changed here. Until then, just make it behave
285 else if( media_type.subtype == MEDIASUBTYPE_HDYC )
286 i_fourcc = VLC_CODEC_UYVY;
288 /* MPEG2 video elementary stream */
289 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
290 i_fourcc = VLC_CODEC_MPGV;
293 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
294 i_fourcc = VLC_CODEC_MP4V;
297 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
298 i_fourcc = VLC_CODEC_DV;
299 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
300 i_fourcc = VLC_CODEC_DV;
301 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
302 i_fourcc = VLC_CODEC_DV;
305 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
306 i_fourcc = VLC_CODEC_MJPG;
310 else if( media_type.majortype == MEDIATYPE_Audio )
312 /* currently only support this type of audio info format */
313 if( media_type.formattype == FORMAT_WaveFormatEx )
315 if( media_type.subtype == MEDIASUBTYPE_PCM )
316 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
317 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
318 i_fourcc = VLC_CODEC_FL32;
321 else if( media_type.majortype == MEDIATYPE_Stream )
323 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
324 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
325 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
326 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
332 /****************************************************************************
333 * Implementation of our dummy directshow filter pin class
334 ****************************************************************************/
336 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
337 CaptureFilter *_p_filter,
338 AM_MEDIA_TYPE *mt, size_t mt_count )
339 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
340 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
343 cx_media_type.majortype = mt[0].majortype;
344 cx_media_type.subtype = GUID_NULL;
345 cx_media_type.pbFormat = NULL;
346 cx_media_type.cbFormat = 0;
347 cx_media_type.pUnk = NULL;
350 CapturePin::~CapturePin()
353 msg_Dbg( p_input, "CapturePin::~CapturePin" );
355 for( size_t c=0; c<media_type_count; c++ )
357 FreeMediaType(media_types[c]);
359 FreeMediaType(cx_media_type);
363 * Returns the complete queue of samples that have been received so far.
364 * Lock the p_sys->lock before calling this function.
365 * @param samples_queue [out] Empty queue that will get all elements from
367 * @return S_OK if a sample was available, S_FALSE if no sample was
370 HRESULT CapturePin::CustomGetSamples( deque<VLCMediaSample> &external_queue )
372 #if 0 //def DEBUG_DSHOW
373 msg_Dbg( p_input, "CapturePin::CustomGetSamples: %d samples in the queue", samples_queue.size());
376 if( !samples_queue.empty() )
378 external_queue.swap(samples_queue);
385 * Returns a sample from its sample queue. Proper locking must be done prior
386 * to this call. Current dshow code protects the access to any sample queue
387 * (audio and video) with the p_sys->lock
388 * @param vlc_sample [out] Address of a sample if sucessfull. Undefined
390 * @return S_OK if a sample was available, S_FALSE if no sample was
393 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
395 #if 0 //def DEBUG_DSHOW
396 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
399 if( samples_queue.size() )
401 *vlc_sample = samples_queue.back();
402 samples_queue.pop_back();
408 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
410 return cx_media_type;
413 /* IUnknown methods */
414 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
416 #ifdef DEBUG_DSHOW_L1
417 msg_Dbg( p_input, "CapturePin::QueryInterface" );
420 if( riid == IID_IUnknown ||
427 if( riid == IID_IMemInputPin )
430 *ppv = (IMemInputPin *)this;
435 #ifdef DEBUG_DSHOW_L1
436 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
437 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
438 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
439 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
440 (int)riid.Data4[2], (int)riid.Data4[3],
441 (int)riid.Data4[4], (int)riid.Data4[5],
442 (int)riid.Data4[6], (int)riid.Data4[7] );
445 return E_NOINTERFACE;
449 STDMETHODIMP_(ULONG) CapturePin::AddRef()
451 #ifdef DEBUG_DSHOW_L1
452 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
457 STDMETHODIMP_(ULONG) CapturePin::Release()
459 #ifdef DEBUG_DSHOW_L1
460 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
463 if( !InterlockedDecrement(&i_ref) ) delete this;
469 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
470 const AM_MEDIA_TYPE *pmt )
472 if( State_Running == p_filter->state )
474 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
475 return VFW_E_NOT_STOPPED;
478 if( p_connected_pin )
480 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
481 return VFW_E_ALREADY_CONNECTED;
484 if( !pmt ) return S_OK;
486 if( GUID_NULL != pmt->majortype &&
487 media_types[0].majortype != pmt->majortype )
489 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
493 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
495 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
500 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
502 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
503 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
505 msg_Dbg( p_input, "CapturePin::Connect "
506 "[video width/height == 0 ]" );
511 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
514 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
515 const AM_MEDIA_TYPE *pmt )
517 if( State_Stopped != p_filter->state )
519 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
520 return VFW_E_NOT_STOPPED;
523 if( !pConnector || !pmt )
525 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
529 if( p_connected_pin )
531 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
532 return VFW_E_ALREADY_CONNECTED;
535 if( S_OK != QueryAccept(pmt) )
537 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
538 "[media type not accepted]" );
539 return VFW_E_TYPE_NOT_ACCEPTED;
542 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
544 p_connected_pin = pConnector;
545 p_connected_pin->AddRef();
547 FreeMediaType( cx_media_type );
548 return CopyMediaType( &cx_media_type, pmt );
550 STDMETHODIMP CapturePin::Disconnect()
552 if( ! p_connected_pin )
554 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
558 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
560 /* samples_queue was already flushed in EndFlush() */
562 p_connected_pin->Release();
563 p_connected_pin = NULL;
564 //FreeMediaType( cx_media_type );
565 //cx_media_type.subtype = GUID_NULL;
569 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
571 if( !p_connected_pin )
573 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
574 return VFW_E_NOT_CONNECTED;
577 p_connected_pin->AddRef();
578 *pPin = p_connected_pin;
580 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
584 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
586 if( !p_connected_pin )
588 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
589 return VFW_E_NOT_CONNECTED;
592 return CopyMediaType( pmt, &cx_media_type );
594 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
597 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
600 pInfo->pFilter = p_filter;
601 if( p_filter ) p_filter->AddRef();
603 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
604 pInfo->dir = PINDIR_INPUT;
608 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
611 msg_Dbg( p_input, "CapturePin::QueryDirection" );
614 *pPinDir = PINDIR_INPUT;
617 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
620 msg_Dbg( p_input, "CapturePin::QueryId" );
623 *Id = L"VideoLAN Capture Pin";
627 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
629 if( State_Stopped != p_filter->state )
631 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
635 if( media_types[0].majortype != pmt->majortype )
637 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
641 int i_fourcc = GetFourCCFromMediaType(*pmt);
644 msg_Dbg( p_input, "CapturePin::QueryAccept "
645 "[media type not supported]" );
649 if( pmt->majortype == MEDIATYPE_Video )
652 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
653 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
655 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
659 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
660 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
661 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
662 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
664 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
666 else if( pmt->majortype == MEDIATYPE_Audio )
668 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
669 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
670 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
671 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
672 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
677 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
681 if( p_connected_pin )
683 FreeMediaType( cx_media_type );
684 CopyMediaType( &cx_media_type, pmt );
689 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
691 #ifdef DEBUG_DSHOW_L1
692 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
695 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
697 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
701 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
703 #ifdef DEBUG_DSHOW_L1
704 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
708 STDMETHODIMP CapturePin::EndOfStream( void )
711 msg_Dbg( p_input, "CapturePin::EndOfStream" );
715 STDMETHODIMP CapturePin::BeginFlush( void )
718 msg_Dbg( p_input, "CapturePin::BeginFlush" );
722 STDMETHODIMP CapturePin::EndFlush( void )
725 msg_Dbg( p_input, "CapturePin::EndFlush" );
728 VLCMediaSample vlc_sample;
730 vlc_mutex_lock( &p_sys->lock );
731 while( samples_queue.size() )
733 vlc_sample = samples_queue.back();
734 samples_queue.pop_back();
735 vlc_sample.p_sample->Release();
737 vlc_mutex_unlock( &p_sys->lock );
741 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
742 REFERENCE_TIME tStop,
746 msg_Dbg( p_input, "CapturePin::NewSegment" );
751 /* IMemInputPin methods */
752 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
755 msg_Dbg( p_input, "CapturePin::GetAllocator" );
758 return VFW_E_NO_ALLOCATOR;
760 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
764 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
769 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
772 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
777 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
779 #if 0 //def DEBUG_DSHOW
780 msg_Dbg( p_input, "CapturePin::Receive" );
784 mtime_t i_timestamp = mdate() * 10;
785 VLCMediaSample vlc_sample = {pSample, i_timestamp};
787 vlc_mutex_lock( &p_sys->lock );
788 samples_queue.push_front( vlc_sample );
790 /* Make sure we don't cache too many samples */
791 if( samples_queue.size() > 10 )
793 vlc_sample = samples_queue.back();
794 samples_queue.pop_back();
795 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
796 vlc_sample.p_sample->Release();
799 vlc_cond_signal( &p_sys->wait );
800 vlc_mutex_unlock( &p_sys->lock );
804 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
806 long *nSamplesProcessed )
810 *nSamplesProcessed = 0;
811 while( nSamples-- > 0 )
813 hr = Receive( pSamples[*nSamplesProcessed] );
814 if( hr != S_OK ) break;
815 (*nSamplesProcessed)++;
819 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
822 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
825 return S_FALSE; /* Thou shalt not block */
828 /****************************************************************************
829 * Implementation of our dummy directshow filter class
830 ****************************************************************************/
831 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
832 AM_MEDIA_TYPE *mt, size_t mt_count )
833 : p_input( _p_input ),
834 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
835 state( State_Stopped ), i_ref( 1 )
839 CaptureFilter::~CaptureFilter()
842 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
847 /* IUnknown methods */
848 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
850 #ifdef DEBUG_DSHOW_L1
851 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
854 if( riid == IID_IUnknown )
857 *ppv = (IUnknown *)this;
860 if( riid == IID_IPersist )
863 *ppv = (IPersist *)this;
866 if( riid == IID_IMediaFilter )
869 *ppv = (IMediaFilter *)this;
872 if( riid == IID_IBaseFilter )
875 *ppv = (IBaseFilter *)this;
880 #ifdef DEBUG_DSHOW_L1
881 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
882 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
883 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
884 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
885 (int)riid.Data4[2], (int)riid.Data4[3],
886 (int)riid.Data4[4], (int)riid.Data4[5],
887 (int)riid.Data4[6], (int)riid.Data4[7] );
890 return E_NOINTERFACE;
893 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
895 #ifdef DEBUG_DSHOW_L1
896 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
901 STDMETHODIMP_(ULONG) CaptureFilter::Release()
903 #ifdef DEBUG_DSHOW_L1
904 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
907 if( !InterlockedDecrement(&i_ref) ) delete this;
912 /* IPersist method */
913 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
916 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
921 /* IMediaFilter methods */
922 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
925 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
931 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
934 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
939 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
942 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
948 STDMETHODIMP CaptureFilter::Stop()
951 msg_Dbg( p_input, "CaptureFilter::Stop" );
956 state = State_Stopped;
959 STDMETHODIMP CaptureFilter::Pause()
962 msg_Dbg( p_input, "CaptureFilter::Pause" );
965 state = State_Paused;
968 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
971 msg_Dbg( p_input, "CaptureFilter::Run" );
974 state = State_Running;
978 /* IBaseFilter methods */
979 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
982 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
985 /* Create a new ref counted enumerator */
986 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
987 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
989 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
992 msg_Dbg( p_input, "CaptureFilter::FindPin" );
996 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
999 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
1002 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
1004 pInfo->pGraph = p_graph;
1005 if( p_graph ) p_graph->AddRef();
1009 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
1013 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
1020 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
1023 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
1028 /* Custom methods */
1029 CapturePin *CaptureFilter::CustomGetPin()
1034 /****************************************************************************
1035 * Implementation of our dummy directshow enumpins class
1036 ****************************************************************************/
1038 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1039 CaptureFilter *_p_filter,
1040 CaptureEnumPins *pEnumPins )
1041 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1043 /* Hold a reference count on our filter */
1046 /* Are we creating a new enumerator */
1048 if( pEnumPins == NULL )
1054 i_position = pEnumPins->i_position;
1058 CaptureEnumPins::~CaptureEnumPins()
1060 #ifdef DEBUG_DSHOW_L1
1061 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1063 p_filter->Release();
1066 /* IUnknown methods */
1067 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1069 #ifdef DEBUG_DSHOW_L1
1070 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1073 if( riid == IID_IUnknown ||
1074 riid == IID_IEnumPins )
1077 *ppv = (IEnumPins *)this;
1083 return E_NOINTERFACE;
1086 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1088 #ifdef DEBUG_DSHOW_L1
1089 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1094 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1096 #ifdef DEBUG_DSHOW_L1
1097 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1100 if( !InterlockedDecrement(&i_ref) ) delete this;
1106 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1109 #ifdef DEBUG_DSHOW_L1
1110 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1113 unsigned int i_fetched = 0;
1115 if( i_position < 1 && cPins > 0 )
1117 IPin *pPin = p_filter->CustomGetPin();
1124 if( pcFetched ) *pcFetched = i_fetched;
1126 return (i_fetched == cPins) ? S_OK : S_FALSE;
1128 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1130 #ifdef DEBUG_DSHOW_L1
1131 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1134 i_position += cPins;
1136 if( i_position > 1 )
1143 STDMETHODIMP CaptureEnumPins::Reset()
1145 #ifdef DEBUG_DSHOW_L1
1146 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1152 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1154 #ifdef DEBUG_DSHOW_L1
1155 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1158 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1159 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1164 /****************************************************************************
1165 * Implementation of our dummy directshow enummediatypes class
1166 ****************************************************************************/
1167 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1168 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1169 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1171 /* Hold a reference count on our filter */
1174 /* Are we creating a new enumerator */
1175 if( pEnumMediaTypes == NULL )
1177 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1182 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1183 i_position = pEnumMediaTypes->i_position;
1187 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1189 #ifdef DEBUG_DSHOW_L1
1190 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1192 FreeMediaType(cx_media_type);
1196 /* IUnknown methods */
1197 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1199 #ifdef DEBUG_DSHOW_L1
1200 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1203 if( riid == IID_IUnknown ||
1204 riid == IID_IEnumMediaTypes )
1207 *ppv = (IEnumMediaTypes *)this;
1213 return E_NOINTERFACE;
1216 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1218 #ifdef DEBUG_DSHOW_L1
1219 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1224 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1226 #ifdef DEBUG_DSHOW_L1
1227 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1230 if( !InterlockedDecrement(&i_ref) ) delete this;
1235 /* IEnumMediaTypes */
1236 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1237 AM_MEDIA_TYPE ** ppMediaTypes,
1240 #ifdef DEBUG_DSHOW_L1
1241 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1245 ULONG max = p_pin->media_type_count;
1247 if( ! ppMediaTypes )
1250 if( (! pcFetched) && (cMediaTypes > 1) )
1254 ** use connection media type as first entry in iterator if it exists
1257 if( cx_media_type.subtype != GUID_NULL )
1260 if( i_position == 0 )
1262 ppMediaTypes[copied] =
1263 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1264 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1265 return E_OUTOFMEMORY;
1271 while( (copied < cMediaTypes) && (i_position < max) )
1273 ppMediaTypes[copied] =
1274 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1275 if( CopyMediaType( ppMediaTypes[copied],
1276 &p_pin->media_types[i_position-offset]) != S_OK )
1277 return E_OUTOFMEMORY;
1283 if( pcFetched ) *pcFetched = copied;
1285 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1287 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1289 ULONG max = p_pin->media_type_count;
1290 if( cx_media_type.subtype != GUID_NULL )
1294 #ifdef DEBUG_DSHOW_L1
1295 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1298 i_position += cMediaTypes;
1299 return (i_position < max) ? S_OK : S_FALSE;
1301 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1303 #ifdef DEBUG_DSHOW_L1
1304 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1307 FreeMediaType(cx_media_type);
1308 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1312 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1314 #ifdef DEBUG_DSHOW_L1
1315 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1318 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1319 if( *ppEnum == NULL ) return E_OUTOFMEMORY;