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 *****************************************************************************/
34 /* Work-around a bug in w32api-2.5 */
35 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
43 #define FILTER_NAME L"VideoLAN Capture Filter"
44 #define PIN_NAME L"Capture"
46 /*****************************************************************************
48 * Easier to define them here as mingw doesn't provide them all.
49 *****************************************************************************/
50 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
51 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
52 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
53 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
54 extern const GUID IID_IPropertyBag;
55 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
56 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
57 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
58 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
60 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
61 extern const GUID IID_IUnknown;
62 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
63 extern const GUID IID_IPersist;
64 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
65 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
66 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
67 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
68 extern const GUID IID_IMemInputPin;
70 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
71 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
73 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
75 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
76 extern const GUID IID_ISpecifyPropertyPages;
78 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
80 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
82 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
84 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
86 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
87 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
88 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
89 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
91 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
95 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
97 * MEDIATYPEs and MEDIASUBTYPEs
99 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
100 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
101 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
102 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
104 /* Packed RGB formats */
105 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
106 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
107 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
112 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
114 /* Packed YUV formats */
115 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
116 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
117 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 /* Planar YUV formats */
123 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
124 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
125 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
126 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
129 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
130 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
131 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
132 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
135 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
136 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
137 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
140 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
141 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
142 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
143 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
146 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
149 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
152 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
154 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
173 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
174 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
175 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
176 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
178 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
179 extern const GUID GUID_NULL;
181 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
183 if( mt.cbFormat != 0 )
185 CoTaskMemFree( (PVOID)mt.pbFormat );
189 if( mt.pUnk != NULL )
196 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
197 const AM_MEDIA_TYPE *pmtSource )
199 *pmtTarget = *pmtSource;
201 if( !pmtSource || !pmtTarget ) return S_FALSE;
203 if( pmtSource->cbFormat && pmtSource->pbFormat )
205 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
206 if( pmtTarget->pbFormat == NULL )
208 pmtTarget->cbFormat = 0;
209 return E_OUTOFMEMORY;
213 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
214 pmtTarget->cbFormat );
217 if( pmtTarget->pUnk != NULL )
219 pmtTarget->pUnk->AddRef();
225 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
229 if( media_type.majortype == MEDIATYPE_Video )
231 /* currently only support this type of video info format */
232 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
234 /* Packed RGB formats */
235 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
236 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
237 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
238 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
239 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
240 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
242 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
244 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
245 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
246 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
247 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
248 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
249 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
250 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
252 /* Planar YUV formats */
253 else if( media_type.subtype == MEDIASUBTYPE_I420 )
254 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
255 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
256 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
257 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
258 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
259 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
260 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
261 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
262 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
264 /* Packed YUV formats */
265 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
266 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
267 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
268 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
269 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
270 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
271 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
272 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
273 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
274 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
275 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
276 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
278 /* MPEG2 video elementary stream */
279 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
280 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
283 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
284 i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
287 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
288 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
289 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
290 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
291 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
292 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
295 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
296 i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
300 else if( media_type.majortype == MEDIATYPE_Audio )
302 /* currently only support this type of audio info format */
303 if( media_type.formattype == FORMAT_WaveFormatEx )
305 if( media_type.subtype == MEDIASUBTYPE_PCM )
306 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
307 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
308 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
311 else if( media_type.majortype == MEDIATYPE_Stream )
313 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
314 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
315 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
316 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
322 /****************************************************************************
323 * Implementation of our dummy directshow filter pin class
324 ****************************************************************************/
326 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
327 CaptureFilter *_p_filter,
328 AM_MEDIA_TYPE *mt, size_t mt_count )
329 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
330 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
333 cx_media_type.majortype = mt[0].majortype;
334 cx_media_type.subtype = GUID_NULL;
335 cx_media_type.pbFormat = NULL;
336 cx_media_type.cbFormat = 0;
337 cx_media_type.pUnk = NULL;
340 CapturePin::~CapturePin()
343 msg_Dbg( p_input, "CapturePin::~CapturePin" );
345 for( size_t c=0; c<media_type_count; c++ )
347 FreeMediaType(media_types[c]);
349 FreeMediaType(cx_media_type);
352 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
354 #if 0 //def DEBUG_DSHOW
355 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
358 vlc_mutex_lock( &p_sys->lock );
359 if( samples_queue.size() )
361 *vlc_sample = samples_queue.back();
362 samples_queue.pop_back();
363 vlc_mutex_unlock( &p_sys->lock );
366 vlc_mutex_unlock( &p_sys->lock );
370 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
372 return cx_media_type;
375 /* IUnknown methods */
376 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
378 #ifdef DEBUG_DSHOW_L1
379 msg_Dbg( p_input, "CapturePin::QueryInterface" );
382 if( riid == IID_IUnknown ||
389 if( riid == IID_IMemInputPin )
392 *ppv = (IMemInputPin *)this;
397 #ifdef DEBUG_DSHOW_L1
398 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
399 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
400 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
401 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
402 (int)riid.Data4[2], (int)riid.Data4[3],
403 (int)riid.Data4[4], (int)riid.Data4[5],
404 (int)riid.Data4[6], (int)riid.Data4[7] );
407 return E_NOINTERFACE;
411 STDMETHODIMP_(ULONG) CapturePin::AddRef()
413 #ifdef DEBUG_DSHOW_L1
414 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
419 STDMETHODIMP_(ULONG) CapturePin::Release()
421 #ifdef DEBUG_DSHOW_L1
422 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
425 if( !InterlockedDecrement(&i_ref) ) delete this;
431 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
432 const AM_MEDIA_TYPE *pmt )
434 if( State_Running == p_filter->state )
436 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
437 return VFW_E_NOT_STOPPED;
440 if( p_connected_pin )
442 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
443 return VFW_E_ALREADY_CONNECTED;
446 if( !pmt ) return S_OK;
448 if( GUID_NULL != pmt->majortype &&
449 media_types[0].majortype != pmt->majortype )
451 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
455 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
457 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
462 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
464 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
465 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
467 msg_Dbg( p_input, "CapturePin::Connect "
468 "[video width/height == 0 ]" );
473 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
476 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
477 const AM_MEDIA_TYPE *pmt )
479 if( State_Stopped != p_filter->state )
481 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
482 return VFW_E_NOT_STOPPED;
485 if( !pConnector || !pmt )
487 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
491 if( p_connected_pin )
493 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
494 return VFW_E_ALREADY_CONNECTED;
497 if( S_OK != QueryAccept(pmt) )
499 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
500 "[media type not accepted]" );
501 return VFW_E_TYPE_NOT_ACCEPTED;
504 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
506 p_connected_pin = pConnector;
507 p_connected_pin->AddRef();
509 FreeMediaType( cx_media_type );
510 return CopyMediaType( &cx_media_type, pmt );
512 STDMETHODIMP CapturePin::Disconnect()
514 if( ! p_connected_pin )
516 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
520 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
522 /* samples_queue was already flushed in EndFlush() */
524 p_connected_pin->Release();
525 p_connected_pin = NULL;
526 //FreeMediaType( cx_media_type );
527 //cx_media_type.subtype = GUID_NULL;
531 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
533 if( !p_connected_pin )
535 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
536 return VFW_E_NOT_CONNECTED;
539 p_connected_pin->AddRef();
540 *pPin = p_connected_pin;
542 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
546 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
548 if( !p_connected_pin )
550 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
551 return VFW_E_NOT_CONNECTED;
554 return CopyMediaType( pmt, &cx_media_type );
556 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
559 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
562 pInfo->pFilter = p_filter;
563 if( p_filter ) p_filter->AddRef();
565 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
566 pInfo->dir = PINDIR_INPUT;
570 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
573 msg_Dbg( p_input, "CapturePin::QueryDirection" );
576 *pPinDir = PINDIR_INPUT;
579 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
582 msg_Dbg( p_input, "CapturePin::QueryId" );
585 *Id = L"VideoLAN Capture Pin";
589 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
591 if( State_Stopped != p_filter->state )
593 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
597 if( media_types[0].majortype != pmt->majortype )
599 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
603 int i_fourcc = GetFourCCFromMediaType(*pmt);
606 msg_Dbg( p_input, "CapturePin::QueryAccept "
607 "[media type not supported]" );
611 if( pmt->majortype == MEDIATYPE_Video )
614 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
615 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
617 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
621 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
622 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
623 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
624 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
626 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
628 else if( pmt->majortype == MEDIATYPE_Audio )
630 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
631 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
632 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
633 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
634 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
639 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
643 if( p_connected_pin )
645 FreeMediaType( cx_media_type );
646 CopyMediaType( &cx_media_type, pmt );
651 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
653 #ifdef DEBUG_DSHOW_L1
654 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
657 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
659 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
663 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
665 #ifdef DEBUG_DSHOW_L1
666 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
670 STDMETHODIMP CapturePin::EndOfStream( void )
673 msg_Dbg( p_input, "CapturePin::EndOfStream" );
677 STDMETHODIMP CapturePin::BeginFlush( void )
680 msg_Dbg( p_input, "CapturePin::BeginFlush" );
684 STDMETHODIMP CapturePin::EndFlush( void )
687 msg_Dbg( p_input, "CapturePin::EndFlush" );
690 VLCMediaSample vlc_sample;
692 vlc_mutex_lock( &p_sys->lock );
693 while( samples_queue.size() )
695 vlc_sample = samples_queue.back();
696 samples_queue.pop_back();
697 vlc_sample.p_sample->Release();
699 vlc_mutex_unlock( &p_sys->lock );
703 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
704 REFERENCE_TIME tStop,
708 msg_Dbg( p_input, "CapturePin::NewSegment" );
713 /* IMemInputPin methods */
714 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
717 msg_Dbg( p_input, "CapturePin::GetAllocator" );
720 return VFW_E_NO_ALLOCATOR;
722 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
726 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
731 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
734 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
739 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
741 #if 0 //def DEBUG_DSHOW
742 msg_Dbg( p_input, "CapturePin::Receive" );
746 mtime_t i_timestamp = mdate() * 10;
747 VLCMediaSample vlc_sample = {pSample, i_timestamp};
749 vlc_mutex_lock( &p_sys->lock );
750 samples_queue.push_front( vlc_sample );
752 /* Make sure we don't cache too many samples */
753 if( samples_queue.size() > 10 )
755 vlc_sample = samples_queue.back();
756 samples_queue.pop_back();
757 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
758 vlc_sample.p_sample->Release();
761 vlc_cond_signal( &p_sys->wait );
762 vlc_mutex_unlock( &p_sys->lock );
766 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
768 long *nSamplesProcessed )
772 *nSamplesProcessed = 0;
773 while( nSamples-- > 0 )
775 hr = Receive( pSamples[*nSamplesProcessed] );
776 if( hr != S_OK ) break;
777 (*nSamplesProcessed)++;
781 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
784 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
787 return S_FALSE; /* Thou shalt not block */
790 /****************************************************************************
791 * Implementation of our dummy directshow filter class
792 ****************************************************************************/
793 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
794 AM_MEDIA_TYPE *mt, size_t mt_count )
795 : p_input( _p_input ),
796 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
797 state( State_Stopped ), i_ref( 1 )
801 CaptureFilter::~CaptureFilter()
804 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
809 /* IUnknown methods */
810 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
812 #ifdef DEBUG_DSHOW_L1
813 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
816 if( riid == IID_IUnknown )
819 *ppv = (IUnknown *)this;
822 if( riid == IID_IPersist )
825 *ppv = (IPersist *)this;
828 if( riid == IID_IMediaFilter )
831 *ppv = (IMediaFilter *)this;
834 if( riid == IID_IBaseFilter )
837 *ppv = (IBaseFilter *)this;
842 #ifdef DEBUG_DSHOW_L1
843 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
844 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
845 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
846 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
847 (int)riid.Data4[2], (int)riid.Data4[3],
848 (int)riid.Data4[4], (int)riid.Data4[5],
849 (int)riid.Data4[6], (int)riid.Data4[7] );
852 return E_NOINTERFACE;
855 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
857 #ifdef DEBUG_DSHOW_L1
858 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
863 STDMETHODIMP_(ULONG) CaptureFilter::Release()
865 #ifdef DEBUG_DSHOW_L1
866 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
869 if( !InterlockedDecrement(&i_ref) ) delete this;
874 /* IPersist method */
875 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
878 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
883 /* IMediaFilter methods */
884 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
887 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
893 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
896 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
901 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
904 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
910 STDMETHODIMP CaptureFilter::Stop()
913 msg_Dbg( p_input, "CaptureFilter::Stop" );
918 state = State_Stopped;
921 STDMETHODIMP CaptureFilter::Pause()
924 msg_Dbg( p_input, "CaptureFilter::Pause" );
927 state = State_Paused;
930 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
933 msg_Dbg( p_input, "CaptureFilter::Run" );
936 state = State_Running;
940 /* IBaseFilter methods */
941 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
944 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
947 /* Create a new ref counted enumerator */
948 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
949 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
951 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
954 msg_Dbg( p_input, "CaptureFilter::FindPin" );
958 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
961 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
964 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
966 pInfo->pGraph = p_graph;
967 if( p_graph ) p_graph->AddRef();
971 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
975 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
982 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
985 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
991 CapturePin *CaptureFilter::CustomGetPin()
996 /****************************************************************************
997 * Implementation of our dummy directshow enumpins class
998 ****************************************************************************/
1000 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1001 CaptureFilter *_p_filter,
1002 CaptureEnumPins *pEnumPins )
1003 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1005 /* Hold a reference count on our filter */
1008 /* Are we creating a new enumerator */
1010 if( pEnumPins == NULL )
1016 i_position = pEnumPins->i_position;
1020 CaptureEnumPins::~CaptureEnumPins()
1022 #ifdef DEBUG_DSHOW_L1
1023 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1025 p_filter->Release();
1028 /* IUnknown methods */
1029 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1031 #ifdef DEBUG_DSHOW_L1
1032 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1035 if( riid == IID_IUnknown ||
1036 riid == IID_IEnumPins )
1039 *ppv = (IEnumPins *)this;
1045 return E_NOINTERFACE;
1048 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1050 #ifdef DEBUG_DSHOW_L1
1051 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1056 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1058 #ifdef DEBUG_DSHOW_L1
1059 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1062 if( !InterlockedDecrement(&i_ref) ) delete this;
1068 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1071 #ifdef DEBUG_DSHOW_L1
1072 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1075 unsigned int i_fetched = 0;
1077 if( i_position < 1 && cPins > 0 )
1079 IPin *pPin = p_filter->CustomGetPin();
1086 if( pcFetched ) *pcFetched = i_fetched;
1088 return (i_fetched == cPins) ? S_OK : S_FALSE;
1090 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1092 #ifdef DEBUG_DSHOW_L1
1093 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1096 i_position += cPins;
1098 if( i_position > 1 )
1105 STDMETHODIMP CaptureEnumPins::Reset()
1107 #ifdef DEBUG_DSHOW_L1
1108 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1114 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1116 #ifdef DEBUG_DSHOW_L1
1117 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1120 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1121 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1126 /****************************************************************************
1127 * Implementation of our dummy directshow enummediatypes class
1128 ****************************************************************************/
1129 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1130 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1131 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1133 /* Hold a reference count on our filter */
1136 /* Are we creating a new enumerator */
1137 if( pEnumMediaTypes == NULL )
1139 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1144 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1145 i_position = pEnumMediaTypes->i_position;
1149 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1151 #ifdef DEBUG_DSHOW_L1
1152 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1154 FreeMediaType(cx_media_type);
1158 /* IUnknown methods */
1159 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1161 #ifdef DEBUG_DSHOW_L1
1162 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1165 if( riid == IID_IUnknown ||
1166 riid == IID_IEnumMediaTypes )
1169 *ppv = (IEnumMediaTypes *)this;
1175 return E_NOINTERFACE;
1178 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1180 #ifdef DEBUG_DSHOW_L1
1181 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1186 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1188 #ifdef DEBUG_DSHOW_L1
1189 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1192 if( !InterlockedDecrement(&i_ref) ) delete this;
1197 /* IEnumMediaTypes */
1198 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1199 AM_MEDIA_TYPE ** ppMediaTypes,
1202 #ifdef DEBUG_DSHOW_L1
1203 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1207 ULONG max = p_pin->media_type_count;
1209 if( ! ppMediaTypes )
1212 if( (! pcFetched) && (cMediaTypes > 1) )
1216 ** use connection media type as first entry in iterator if it exists
1219 if( cx_media_type.subtype != GUID_NULL )
1222 if( i_position == 0 )
1224 ppMediaTypes[copied] =
1225 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1226 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1227 return E_OUTOFMEMORY;
1233 while( (copied < cMediaTypes) && (i_position < max) )
1235 ppMediaTypes[copied] =
1236 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1237 if( CopyMediaType( ppMediaTypes[copied],
1238 &p_pin->media_types[i_position-offset]) != S_OK )
1239 return E_OUTOFMEMORY;
1245 if( pcFetched ) *pcFetched = copied;
1247 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1249 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1251 ULONG max = p_pin->media_type_count;
1252 if( cx_media_type.subtype != GUID_NULL )
1256 #ifdef DEBUG_DSHOW_L1
1257 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1260 i_position += cMediaTypes;
1261 return (i_position < max) ? S_OK : S_FALSE;
1263 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1265 #ifdef DEBUG_DSHOW_L1
1266 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1269 FreeMediaType(cx_media_type);
1270 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1274 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1276 #ifdef DEBUG_DSHOW_L1
1277 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1280 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1281 if( *ppEnum == NULL ) return E_OUTOFMEMORY;