1 /*****************************************************************************
2 * filter.c : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002 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 /* Work-around a bug in w32api-2.5 */
33 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
41 #define FILTER_NAME L"VideoLAN Capture Filter"
42 #define PIN_NAME L"Capture"
44 /*****************************************************************************
46 * Easier to define them here as mingw doesn't provide them all.
47 *****************************************************************************/
48 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
49 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
50 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
51 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
52 extern const GUID IID_IPropertyBag;
53 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
54 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
55 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
56 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
58 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
59 extern const GUID IID_IUnknown;
60 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
61 extern const GUID IID_IPersist;
62 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
63 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
64 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
65 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
66 extern const GUID IID_IMemInputPin;
68 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
69 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
71 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
73 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
74 extern const GUID IID_ISpecifyPropertyPages;
76 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
78 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
80 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
82 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
84 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
85 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
86 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
87 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
89 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
93 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
95 * MEDIATYPEs and MEDIASUBTYPEs
97 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
98 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
99 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
100 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
102 /* Packed RGB formats */
103 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
104 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
105 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
106 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
107 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
112 /* Packed YUV formats */
113 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
114 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
115 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
116 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
117 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 /* Planar YUV formats */
121 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
123 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
124 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
125 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
128 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
129 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
130 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
133 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
134 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
135 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
138 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
139 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
140 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
141 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
144 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
147 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
150 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
152 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
154 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
155 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
172 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
173 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
174 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
176 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
177 extern const GUID GUID_NULL;
179 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
181 if( mt.cbFormat != 0 )
183 CoTaskMemFree( (PVOID)mt.pbFormat );
187 if( mt.pUnk != NULL )
194 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
195 const AM_MEDIA_TYPE *pmtSource )
197 *pmtTarget = *pmtSource;
199 if( !pmtSource || !pmtTarget ) return S_FALSE;
201 if( pmtSource->cbFormat && pmtSource->pbFormat )
203 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
204 if( pmtTarget->pbFormat == NULL )
206 pmtTarget->cbFormat = 0;
207 return E_OUTOFMEMORY;
211 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
212 pmtTarget->cbFormat );
215 if( pmtTarget->pUnk != NULL )
217 pmtTarget->pUnk->AddRef();
223 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
227 if( media_type.majortype == MEDIATYPE_Video )
229 /* currently only support this type of video info format */
230 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
232 /* Packed RGB formats */
233 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
234 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
235 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
236 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
237 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
238 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
239 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
240 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
242 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
244 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
245 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
246 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
247 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
248 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
250 /* Planar YUV formats */
251 else if( media_type.subtype == MEDIASUBTYPE_I420 )
252 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
253 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
254 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
255 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
256 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
257 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
258 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
259 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
260 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
262 /* Packed YUV formats */
263 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
264 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
265 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
266 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
267 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
268 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
269 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
270 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
271 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
272 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
273 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
274 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
276 /* MPEG2 video elementary stream */
277 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
278 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
281 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
282 i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
285 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
286 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
287 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
288 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
289 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
290 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
293 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
294 i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
298 else if( media_type.majortype == MEDIATYPE_Audio )
300 /* currently only support this type of audio info format */
301 if( media_type.formattype == FORMAT_WaveFormatEx )
303 if( media_type.subtype == MEDIASUBTYPE_PCM )
304 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
305 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
306 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
309 else if( media_type.majortype == MEDIATYPE_Stream )
311 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
312 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
313 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
314 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
320 /****************************************************************************
321 * Implementation of our dummy directshow filter pin class
322 ****************************************************************************/
324 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
325 CaptureFilter *_p_filter,
326 AM_MEDIA_TYPE *mt, size_t mt_count )
327 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
328 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
331 cx_media_type.majortype = mt[0].majortype;
332 cx_media_type.subtype = GUID_NULL;
333 cx_media_type.pbFormat = NULL;
334 cx_media_type.cbFormat = 0;
335 cx_media_type.pUnk = NULL;
338 CapturePin::~CapturePin()
341 msg_Dbg( p_input, "CapturePin::~CapturePin" );
343 for( size_t c=0; c<media_type_count; c++ )
345 FreeMediaType(media_types[c]);
347 FreeMediaType(cx_media_type);
350 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
352 #if 0 //def DEBUG_DSHOW
353 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
356 vlc_mutex_lock( &p_sys->lock );
357 if( samples_queue.size() )
359 *vlc_sample = samples_queue.back();
360 samples_queue.pop_back();
361 vlc_mutex_unlock( &p_sys->lock );
364 vlc_mutex_unlock( &p_sys->lock );
368 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
370 return cx_media_type;
373 /* IUnknown methods */
374 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
376 #ifdef DEBUG_DSHOW_L1
377 msg_Dbg( p_input, "CapturePin::QueryInterface" );
380 if( riid == IID_IUnknown ||
387 if( riid == IID_IMemInputPin )
390 *ppv = (IMemInputPin *)this;
395 #ifdef DEBUG_DSHOW_L1
396 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
397 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
398 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
399 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
400 (int)riid.Data4[2], (int)riid.Data4[3],
401 (int)riid.Data4[4], (int)riid.Data4[5],
402 (int)riid.Data4[6], (int)riid.Data4[7] );
405 return E_NOINTERFACE;
409 STDMETHODIMP_(ULONG) CapturePin::AddRef()
411 #ifdef DEBUG_DSHOW_L1
412 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
417 STDMETHODIMP_(ULONG) CapturePin::Release()
419 #ifdef DEBUG_DSHOW_L1
420 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
423 if( !InterlockedDecrement(&i_ref) ) delete this;
429 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
430 const AM_MEDIA_TYPE *pmt )
432 if( State_Running == p_filter->state )
434 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
435 return VFW_E_NOT_STOPPED;
438 if( p_connected_pin )
440 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
441 return VFW_E_ALREADY_CONNECTED;
444 if( !pmt ) return S_OK;
446 if( GUID_NULL != pmt->majortype &&
447 media_types[0].majortype != pmt->majortype )
449 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
453 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
455 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
460 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
462 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
463 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
465 msg_Dbg( p_input, "CapturePin::Connect "
466 "[video width/height == 0 ]" );
471 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
474 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
475 const AM_MEDIA_TYPE *pmt )
477 if( State_Stopped != p_filter->state )
479 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
480 return VFW_E_NOT_STOPPED;
483 if( !pConnector || !pmt )
485 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
489 if( p_connected_pin )
491 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
492 return VFW_E_ALREADY_CONNECTED;
495 if( S_OK != QueryAccept(pmt) )
497 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
498 "[media type not accepted]" );
499 return VFW_E_TYPE_NOT_ACCEPTED;
502 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
504 p_connected_pin = pConnector;
505 p_connected_pin->AddRef();
507 FreeMediaType( cx_media_type );
508 return CopyMediaType( &cx_media_type, pmt );
510 STDMETHODIMP CapturePin::Disconnect()
512 if( ! p_connected_pin )
514 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
518 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
520 /* samples_queue was already flushed in EndFlush() */
522 p_connected_pin->Release();
523 p_connected_pin = NULL;
524 //FreeMediaType( cx_media_type );
525 //cx_media_type.subtype = GUID_NULL;
529 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
531 if( !p_connected_pin )
533 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
534 return VFW_E_NOT_CONNECTED;
537 p_connected_pin->AddRef();
538 *pPin = p_connected_pin;
540 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
544 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
546 if( !p_connected_pin )
548 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
549 return VFW_E_NOT_CONNECTED;
552 return CopyMediaType( pmt, &cx_media_type );
554 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
557 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
560 pInfo->pFilter = p_filter;
561 if( p_filter ) p_filter->AddRef();
563 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
564 pInfo->dir = PINDIR_INPUT;
568 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
571 msg_Dbg( p_input, "CapturePin::QueryDirection" );
574 *pPinDir = PINDIR_INPUT;
577 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
580 msg_Dbg( p_input, "CapturePin::QueryId" );
583 *Id = L"VideoLAN Capture Pin";
587 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
589 if( State_Stopped != p_filter->state )
591 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
595 if( media_types[0].majortype != pmt->majortype )
597 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
601 int i_fourcc = GetFourCCFromMediaType(*pmt);
604 msg_Dbg( p_input, "CapturePin::QueryAccept "
605 "[media type not supported]" );
609 if( pmt->majortype == MEDIATYPE_Video )
612 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
613 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
615 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
619 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
620 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
621 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
622 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
624 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
626 else if( pmt->majortype == MEDIATYPE_Audio )
628 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
629 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
630 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
631 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
632 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
637 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
641 if( p_connected_pin )
643 FreeMediaType( cx_media_type );
644 CopyMediaType( &cx_media_type, pmt );
649 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
651 #ifdef DEBUG_DSHOW_L1
652 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
655 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
657 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
661 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
663 #ifdef DEBUG_DSHOW_L1
664 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
668 STDMETHODIMP CapturePin::EndOfStream( void )
671 msg_Dbg( p_input, "CapturePin::EndOfStream" );
675 STDMETHODIMP CapturePin::BeginFlush( void )
678 msg_Dbg( p_input, "CapturePin::BeginFlush" );
682 STDMETHODIMP CapturePin::EndFlush( void )
685 msg_Dbg( p_input, "CapturePin::EndFlush" );
688 VLCMediaSample vlc_sample;
690 vlc_mutex_lock( &p_sys->lock );
691 while( samples_queue.size() )
693 vlc_sample = samples_queue.back();
694 samples_queue.pop_back();
695 vlc_sample.p_sample->Release();
697 vlc_mutex_unlock( &p_sys->lock );
701 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
702 REFERENCE_TIME tStop,
706 msg_Dbg( p_input, "CapturePin::NewSegment" );
711 /* IMemInputPin methods */
712 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
715 msg_Dbg( p_input, "CapturePin::GetAllocator" );
718 return VFW_E_NO_ALLOCATOR;
720 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
724 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
729 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
732 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
737 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
739 #if 0 //def DEBUG_DSHOW
740 msg_Dbg( p_input, "CapturePin::Receive" );
744 mtime_t i_timestamp = mdate() * 10;
745 VLCMediaSample vlc_sample = {pSample, i_timestamp};
747 vlc_mutex_lock( &p_sys->lock );
748 samples_queue.push_front( vlc_sample );
750 /* Make sure we don't cache too many samples */
751 if( samples_queue.size() > 10 )
753 vlc_sample = samples_queue.back();
754 samples_queue.pop_back();
755 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
756 vlc_sample.p_sample->Release();
759 vlc_cond_signal( &p_sys->wait );
760 vlc_mutex_unlock( &p_sys->lock );
764 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
766 long *nSamplesProcessed )
770 *nSamplesProcessed = 0;
771 while( nSamples-- > 0 )
773 hr = Receive( pSamples[*nSamplesProcessed] );
774 if( hr != S_OK ) break;
775 (*nSamplesProcessed)++;
779 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
782 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
785 return S_FALSE; /* Thou shalt not block */
788 /****************************************************************************
789 * Implementation of our dummy directshow filter class
790 ****************************************************************************/
791 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
792 AM_MEDIA_TYPE *mt, size_t mt_count )
793 : p_input( _p_input ),
794 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
795 state( State_Stopped ), i_ref( 1 )
799 CaptureFilter::~CaptureFilter()
802 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
807 /* IUnknown methods */
808 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
810 #ifdef DEBUG_DSHOW_L1
811 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
814 if( riid == IID_IUnknown )
817 *ppv = (IUnknown *)this;
820 if( riid == IID_IPersist )
823 *ppv = (IPersist *)this;
826 if( riid == IID_IMediaFilter )
829 *ppv = (IMediaFilter *)this;
832 if( riid == IID_IBaseFilter )
835 *ppv = (IBaseFilter *)this;
840 #ifdef DEBUG_DSHOW_L1
841 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
842 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
843 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
844 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
845 (int)riid.Data4[2], (int)riid.Data4[3],
846 (int)riid.Data4[4], (int)riid.Data4[5],
847 (int)riid.Data4[6], (int)riid.Data4[7] );
850 return E_NOINTERFACE;
853 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
855 #ifdef DEBUG_DSHOW_L1
856 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
861 STDMETHODIMP_(ULONG) CaptureFilter::Release()
863 #ifdef DEBUG_DSHOW_L1
864 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
867 if( !InterlockedDecrement(&i_ref) ) delete this;
872 /* IPersist method */
873 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
876 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
881 /* IMediaFilter methods */
882 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
885 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
891 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
894 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
899 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
902 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
908 STDMETHODIMP CaptureFilter::Stop()
911 msg_Dbg( p_input, "CaptureFilter::Stop" );
916 state = State_Stopped;
919 STDMETHODIMP CaptureFilter::Pause()
922 msg_Dbg( p_input, "CaptureFilter::Pause" );
925 state = State_Paused;
928 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
931 msg_Dbg( p_input, "CaptureFilter::Run" );
934 state = State_Running;
938 /* IBaseFilter methods */
939 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
942 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
945 /* Create a new ref counted enumerator */
946 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
947 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
949 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
952 msg_Dbg( p_input, "CaptureFilter::FindPin" );
956 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
959 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
962 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
964 pInfo->pGraph = p_graph;
965 if( p_graph ) p_graph->AddRef();
969 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
973 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
980 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
983 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
989 CapturePin *CaptureFilter::CustomGetPin()
994 /****************************************************************************
995 * Implementation of our dummy directshow enumpins class
996 ****************************************************************************/
998 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
999 CaptureFilter *_p_filter,
1000 CaptureEnumPins *pEnumPins )
1001 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1003 /* Hold a reference count on our filter */
1006 /* Are we creating a new enumerator */
1008 if( pEnumPins == NULL )
1014 i_position = pEnumPins->i_position;
1018 CaptureEnumPins::~CaptureEnumPins()
1020 #ifdef DEBUG_DSHOW_L1
1021 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1023 p_filter->Release();
1026 /* IUnknown methods */
1027 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1029 #ifdef DEBUG_DSHOW_L1
1030 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1033 if( riid == IID_IUnknown ||
1034 riid == IID_IEnumPins )
1037 *ppv = (IEnumPins *)this;
1043 return E_NOINTERFACE;
1046 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1048 #ifdef DEBUG_DSHOW_L1
1049 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1054 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1056 #ifdef DEBUG_DSHOW_L1
1057 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1060 if( !InterlockedDecrement(&i_ref) ) delete this;
1066 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1069 #ifdef DEBUG_DSHOW_L1
1070 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1073 unsigned int i_fetched = 0;
1075 if( i_position < 1 && cPins > 0 )
1077 IPin *pPin = p_filter->CustomGetPin();
1084 if( pcFetched ) *pcFetched = i_fetched;
1086 return (i_fetched == cPins) ? S_OK : S_FALSE;
1088 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1090 #ifdef DEBUG_DSHOW_L1
1091 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1094 i_position += cPins;
1096 if( i_position > 1 )
1103 STDMETHODIMP CaptureEnumPins::Reset()
1105 #ifdef DEBUG_DSHOW_L1
1106 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1112 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1114 #ifdef DEBUG_DSHOW_L1
1115 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1118 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1119 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1124 /****************************************************************************
1125 * Implementation of our dummy directshow enummediatypes class
1126 ****************************************************************************/
1127 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1128 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1129 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1131 /* Hold a reference count on our filter */
1134 /* Are we creating a new enumerator */
1135 if( pEnumMediaTypes == NULL )
1137 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1142 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1143 i_position = pEnumMediaTypes->i_position;
1147 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1149 #ifdef DEBUG_DSHOW_L1
1150 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1152 FreeMediaType(cx_media_type);
1156 /* IUnknown methods */
1157 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1159 #ifdef DEBUG_DSHOW_L1
1160 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1163 if( riid == IID_IUnknown ||
1164 riid == IID_IEnumMediaTypes )
1167 *ppv = (IEnumMediaTypes *)this;
1173 return E_NOINTERFACE;
1176 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1178 #ifdef DEBUG_DSHOW_L1
1179 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1184 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1186 #ifdef DEBUG_DSHOW_L1
1187 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1190 if( !InterlockedDecrement(&i_ref) ) delete this;
1195 /* IEnumMediaTypes */
1196 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1197 AM_MEDIA_TYPE ** ppMediaTypes,
1200 #ifdef DEBUG_DSHOW_L1
1201 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1205 ULONG max = p_pin->media_type_count;
1207 if( ! ppMediaTypes )
1210 if( (! pcFetched) && (cMediaTypes > 1) )
1214 ** use connection media type as first entry in iterator if it exists
1217 if( cx_media_type.subtype != GUID_NULL )
1220 if( i_position == 0 )
1222 ppMediaTypes[copied] =
1223 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1224 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1225 return E_OUTOFMEMORY;
1231 while( (copied < cMediaTypes) && (i_position < max) )
1233 ppMediaTypes[copied] =
1234 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1235 if( CopyMediaType( ppMediaTypes[copied],
1236 &p_pin->media_types[i_position-offset]) != S_OK )
1237 return E_OUTOFMEMORY;
1243 if( pcFetched ) *pcFetched = copied;
1245 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1247 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1249 ULONG max = p_pin->media_type_count;
1250 if( cx_media_type.subtype != GUID_NULL )
1254 #ifdef DEBUG_DSHOW_L1
1255 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1258 i_position += cMediaTypes;
1259 return (i_position < max) ? S_OK : S_FALSE;
1261 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1263 #ifdef DEBUG_DSHOW_L1
1264 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1267 FreeMediaType(cx_media_type);
1268 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1272 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1274 #ifdef DEBUG_DSHOW_L1
1275 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1278 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1279 if( *ppEnum == NULL ) return E_OUTOFMEMORY;