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 #include <vlc_common.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}};
124 /* Planar YUV formats */
125 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
126 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
128 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
129 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
131 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
132 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
133 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
134 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
137 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
138 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
139 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
142 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
143 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
144 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
145 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
148 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
151 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
154 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
172 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
173 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
175 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
176 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
177 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
178 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
180 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
181 extern const GUID GUID_NULL;
183 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
185 if( mt.cbFormat != 0 )
187 CoTaskMemFree( (PVOID)mt.pbFormat );
191 if( mt.pUnk != NULL )
198 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
199 const AM_MEDIA_TYPE *pmtSource )
201 *pmtTarget = *pmtSource;
203 if( !pmtSource || !pmtTarget ) return S_FALSE;
205 if( pmtSource->cbFormat && pmtSource->pbFormat )
207 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
208 if( pmtTarget->pbFormat == NULL )
210 pmtTarget->cbFormat = 0;
211 return E_OUTOFMEMORY;
215 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
216 pmtTarget->cbFormat );
219 if( pmtTarget->pUnk != NULL )
221 pmtTarget->pUnk->AddRef();
227 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
231 if( media_type.majortype == MEDIATYPE_Video )
233 /* currently only support this type of video info format */
234 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
236 /* Packed RGB formats */
237 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
238 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
239 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
240 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
242 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
244 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
245 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
246 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
247 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
248 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
249 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
250 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
251 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
252 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
254 /* Planar YUV formats */
255 else if( media_type.subtype == MEDIASUBTYPE_I420 )
256 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
257 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
258 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
259 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
260 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
261 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
262 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
263 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
264 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
266 /* Packed YUV formats */
267 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
268 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
269 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
270 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
271 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
272 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
273 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
274 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
275 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
276 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
277 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
278 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
280 /* MPEG2 video elementary stream */
281 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
282 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
285 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
286 i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
289 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
290 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
291 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
292 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
293 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
294 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
297 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
298 i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
302 else if( media_type.majortype == MEDIATYPE_Audio )
304 /* currently only support this type of audio info format */
305 if( media_type.formattype == FORMAT_WaveFormatEx )
307 if( media_type.subtype == MEDIASUBTYPE_PCM )
308 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
309 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
310 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
313 else if( media_type.majortype == MEDIATYPE_Stream )
315 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
316 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
317 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
318 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
324 /****************************************************************************
325 * Implementation of our dummy directshow filter pin class
326 ****************************************************************************/
328 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
329 CaptureFilter *_p_filter,
330 AM_MEDIA_TYPE *mt, size_t mt_count )
331 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
332 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
335 cx_media_type.majortype = mt[0].majortype;
336 cx_media_type.subtype = GUID_NULL;
337 cx_media_type.pbFormat = NULL;
338 cx_media_type.cbFormat = 0;
339 cx_media_type.pUnk = NULL;
342 CapturePin::~CapturePin()
345 msg_Dbg( p_input, "CapturePin::~CapturePin" );
347 for( size_t c=0; c<media_type_count; c++ )
349 FreeMediaType(media_types[c]);
351 FreeMediaType(cx_media_type);
354 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
356 #if 0 //def DEBUG_DSHOW
357 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
360 vlc_mutex_lock( &p_sys->lock );
361 if( samples_queue.size() )
363 *vlc_sample = samples_queue.back();
364 samples_queue.pop_back();
365 vlc_mutex_unlock( &p_sys->lock );
368 vlc_mutex_unlock( &p_sys->lock );
372 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
374 return cx_media_type;
377 /* IUnknown methods */
378 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
380 #ifdef DEBUG_DSHOW_L1
381 msg_Dbg( p_input, "CapturePin::QueryInterface" );
384 if( riid == IID_IUnknown ||
391 if( riid == IID_IMemInputPin )
394 *ppv = (IMemInputPin *)this;
399 #ifdef DEBUG_DSHOW_L1
400 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
401 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
402 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
403 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
404 (int)riid.Data4[2], (int)riid.Data4[3],
405 (int)riid.Data4[4], (int)riid.Data4[5],
406 (int)riid.Data4[6], (int)riid.Data4[7] );
409 return E_NOINTERFACE;
413 STDMETHODIMP_(ULONG) CapturePin::AddRef()
415 #ifdef DEBUG_DSHOW_L1
416 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
421 STDMETHODIMP_(ULONG) CapturePin::Release()
423 #ifdef DEBUG_DSHOW_L1
424 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
427 if( !InterlockedDecrement(&i_ref) ) delete this;
433 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
434 const AM_MEDIA_TYPE *pmt )
436 if( State_Running == p_filter->state )
438 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
439 return VFW_E_NOT_STOPPED;
442 if( p_connected_pin )
444 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
445 return VFW_E_ALREADY_CONNECTED;
448 if( !pmt ) return S_OK;
450 if( GUID_NULL != pmt->majortype &&
451 media_types[0].majortype != pmt->majortype )
453 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
457 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
459 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
464 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
466 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
467 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
469 msg_Dbg( p_input, "CapturePin::Connect "
470 "[video width/height == 0 ]" );
475 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
478 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
479 const AM_MEDIA_TYPE *pmt )
481 if( State_Stopped != p_filter->state )
483 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
484 return VFW_E_NOT_STOPPED;
487 if( !pConnector || !pmt )
489 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
493 if( p_connected_pin )
495 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
496 return VFW_E_ALREADY_CONNECTED;
499 if( S_OK != QueryAccept(pmt) )
501 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
502 "[media type not accepted]" );
503 return VFW_E_TYPE_NOT_ACCEPTED;
506 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
508 p_connected_pin = pConnector;
509 p_connected_pin->AddRef();
511 FreeMediaType( cx_media_type );
512 return CopyMediaType( &cx_media_type, pmt );
514 STDMETHODIMP CapturePin::Disconnect()
516 if( ! p_connected_pin )
518 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
522 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
524 /* samples_queue was already flushed in EndFlush() */
526 p_connected_pin->Release();
527 p_connected_pin = NULL;
528 //FreeMediaType( cx_media_type );
529 //cx_media_type.subtype = GUID_NULL;
533 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
535 if( !p_connected_pin )
537 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
538 return VFW_E_NOT_CONNECTED;
541 p_connected_pin->AddRef();
542 *pPin = p_connected_pin;
544 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
548 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
550 if( !p_connected_pin )
552 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
553 return VFW_E_NOT_CONNECTED;
556 return CopyMediaType( pmt, &cx_media_type );
558 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
561 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
564 pInfo->pFilter = p_filter;
565 if( p_filter ) p_filter->AddRef();
567 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
568 pInfo->dir = PINDIR_INPUT;
572 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
575 msg_Dbg( p_input, "CapturePin::QueryDirection" );
578 *pPinDir = PINDIR_INPUT;
581 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
584 msg_Dbg( p_input, "CapturePin::QueryId" );
587 *Id = L"VideoLAN Capture Pin";
591 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
593 if( State_Stopped != p_filter->state )
595 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
599 if( media_types[0].majortype != pmt->majortype )
601 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
605 int i_fourcc = GetFourCCFromMediaType(*pmt);
608 msg_Dbg( p_input, "CapturePin::QueryAccept "
609 "[media type not supported]" );
613 if( pmt->majortype == MEDIATYPE_Video )
616 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
617 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
619 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
623 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
624 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
625 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
626 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
628 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
630 else if( pmt->majortype == MEDIATYPE_Audio )
632 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
633 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
634 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
635 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
636 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
641 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
645 if( p_connected_pin )
647 FreeMediaType( cx_media_type );
648 CopyMediaType( &cx_media_type, pmt );
653 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
655 #ifdef DEBUG_DSHOW_L1
656 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
659 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
661 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
665 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
667 #ifdef DEBUG_DSHOW_L1
668 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
672 STDMETHODIMP CapturePin::EndOfStream( void )
675 msg_Dbg( p_input, "CapturePin::EndOfStream" );
679 STDMETHODIMP CapturePin::BeginFlush( void )
682 msg_Dbg( p_input, "CapturePin::BeginFlush" );
686 STDMETHODIMP CapturePin::EndFlush( void )
689 msg_Dbg( p_input, "CapturePin::EndFlush" );
692 VLCMediaSample vlc_sample;
694 vlc_mutex_lock( &p_sys->lock );
695 while( samples_queue.size() )
697 vlc_sample = samples_queue.back();
698 samples_queue.pop_back();
699 vlc_sample.p_sample->Release();
701 vlc_mutex_unlock( &p_sys->lock );
705 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
706 REFERENCE_TIME tStop,
710 msg_Dbg( p_input, "CapturePin::NewSegment" );
715 /* IMemInputPin methods */
716 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
719 msg_Dbg( p_input, "CapturePin::GetAllocator" );
722 return VFW_E_NO_ALLOCATOR;
724 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
728 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
733 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
736 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
741 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
743 #if 0 //def DEBUG_DSHOW
744 msg_Dbg( p_input, "CapturePin::Receive" );
748 mtime_t i_timestamp = mdate() * 10;
749 VLCMediaSample vlc_sample = {pSample, i_timestamp};
751 vlc_mutex_lock( &p_sys->lock );
752 samples_queue.push_front( vlc_sample );
754 /* Make sure we don't cache too many samples */
755 if( samples_queue.size() > 10 )
757 vlc_sample = samples_queue.back();
758 samples_queue.pop_back();
759 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
760 vlc_sample.p_sample->Release();
763 vlc_cond_signal( &p_sys->wait );
764 vlc_mutex_unlock( &p_sys->lock );
768 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
770 long *nSamplesProcessed )
774 *nSamplesProcessed = 0;
775 while( nSamples-- > 0 )
777 hr = Receive( pSamples[*nSamplesProcessed] );
778 if( hr != S_OK ) break;
779 (*nSamplesProcessed)++;
783 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
786 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
789 return S_FALSE; /* Thou shalt not block */
792 /****************************************************************************
793 * Implementation of our dummy directshow filter class
794 ****************************************************************************/
795 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
796 AM_MEDIA_TYPE *mt, size_t mt_count )
797 : p_input( _p_input ),
798 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
799 state( State_Stopped ), i_ref( 1 )
803 CaptureFilter::~CaptureFilter()
806 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
811 /* IUnknown methods */
812 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
814 #ifdef DEBUG_DSHOW_L1
815 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
818 if( riid == IID_IUnknown )
821 *ppv = (IUnknown *)this;
824 if( riid == IID_IPersist )
827 *ppv = (IPersist *)this;
830 if( riid == IID_IMediaFilter )
833 *ppv = (IMediaFilter *)this;
836 if( riid == IID_IBaseFilter )
839 *ppv = (IBaseFilter *)this;
844 #ifdef DEBUG_DSHOW_L1
845 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
846 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
847 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
848 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
849 (int)riid.Data4[2], (int)riid.Data4[3],
850 (int)riid.Data4[4], (int)riid.Data4[5],
851 (int)riid.Data4[6], (int)riid.Data4[7] );
854 return E_NOINTERFACE;
857 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
859 #ifdef DEBUG_DSHOW_L1
860 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
865 STDMETHODIMP_(ULONG) CaptureFilter::Release()
867 #ifdef DEBUG_DSHOW_L1
868 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
871 if( !InterlockedDecrement(&i_ref) ) delete this;
876 /* IPersist method */
877 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
880 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
885 /* IMediaFilter methods */
886 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
889 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
895 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
898 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
903 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
906 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
912 STDMETHODIMP CaptureFilter::Stop()
915 msg_Dbg( p_input, "CaptureFilter::Stop" );
920 state = State_Stopped;
923 STDMETHODIMP CaptureFilter::Pause()
926 msg_Dbg( p_input, "CaptureFilter::Pause" );
929 state = State_Paused;
932 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
935 msg_Dbg( p_input, "CaptureFilter::Run" );
938 state = State_Running;
942 /* IBaseFilter methods */
943 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
946 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
949 /* Create a new ref counted enumerator */
950 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
951 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
953 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
956 msg_Dbg( p_input, "CaptureFilter::FindPin" );
960 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
963 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
966 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
968 pInfo->pGraph = p_graph;
969 if( p_graph ) p_graph->AddRef();
973 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
977 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
984 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
987 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
993 CapturePin *CaptureFilter::CustomGetPin()
998 /****************************************************************************
999 * Implementation of our dummy directshow enumpins class
1000 ****************************************************************************/
1002 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1003 CaptureFilter *_p_filter,
1004 CaptureEnumPins *pEnumPins )
1005 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1007 /* Hold a reference count on our filter */
1010 /* Are we creating a new enumerator */
1012 if( pEnumPins == NULL )
1018 i_position = pEnumPins->i_position;
1022 CaptureEnumPins::~CaptureEnumPins()
1024 #ifdef DEBUG_DSHOW_L1
1025 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1027 p_filter->Release();
1030 /* IUnknown methods */
1031 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1033 #ifdef DEBUG_DSHOW_L1
1034 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1037 if( riid == IID_IUnknown ||
1038 riid == IID_IEnumPins )
1041 *ppv = (IEnumPins *)this;
1047 return E_NOINTERFACE;
1050 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1052 #ifdef DEBUG_DSHOW_L1
1053 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1058 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1060 #ifdef DEBUG_DSHOW_L1
1061 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1064 if( !InterlockedDecrement(&i_ref) ) delete this;
1070 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1073 #ifdef DEBUG_DSHOW_L1
1074 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1077 unsigned int i_fetched = 0;
1079 if( i_position < 1 && cPins > 0 )
1081 IPin *pPin = p_filter->CustomGetPin();
1088 if( pcFetched ) *pcFetched = i_fetched;
1090 return (i_fetched == cPins) ? S_OK : S_FALSE;
1092 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1094 #ifdef DEBUG_DSHOW_L1
1095 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1098 i_position += cPins;
1100 if( i_position > 1 )
1107 STDMETHODIMP CaptureEnumPins::Reset()
1109 #ifdef DEBUG_DSHOW_L1
1110 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1116 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1118 #ifdef DEBUG_DSHOW_L1
1119 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1122 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1123 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1128 /****************************************************************************
1129 * Implementation of our dummy directshow enummediatypes class
1130 ****************************************************************************/
1131 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1132 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1133 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1135 /* Hold a reference count on our filter */
1138 /* Are we creating a new enumerator */
1139 if( pEnumMediaTypes == NULL )
1141 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1146 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1147 i_position = pEnumMediaTypes->i_position;
1151 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1153 #ifdef DEBUG_DSHOW_L1
1154 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1156 FreeMediaType(cx_media_type);
1160 /* IUnknown methods */
1161 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1163 #ifdef DEBUG_DSHOW_L1
1164 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1167 if( riid == IID_IUnknown ||
1168 riid == IID_IEnumMediaTypes )
1171 *ppv = (IEnumMediaTypes *)this;
1177 return E_NOINTERFACE;
1180 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1182 #ifdef DEBUG_DSHOW_L1
1183 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1188 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1190 #ifdef DEBUG_DSHOW_L1
1191 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1194 if( !InterlockedDecrement(&i_ref) ) delete this;
1199 /* IEnumMediaTypes */
1200 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1201 AM_MEDIA_TYPE ** ppMediaTypes,
1204 #ifdef DEBUG_DSHOW_L1
1205 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1209 ULONG max = p_pin->media_type_count;
1211 if( ! ppMediaTypes )
1214 if( (! pcFetched) && (cMediaTypes > 1) )
1218 ** use connection media type as first entry in iterator if it exists
1221 if( cx_media_type.subtype != GUID_NULL )
1224 if( i_position == 0 )
1226 ppMediaTypes[copied] =
1227 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1228 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1229 return E_OUTOFMEMORY;
1235 while( (copied < cMediaTypes) && (i_position < max) )
1237 ppMediaTypes[copied] =
1238 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1239 if( CopyMediaType( ppMediaTypes[copied],
1240 &p_pin->media_types[i_position-offset]) != S_OK )
1241 return E_OUTOFMEMORY;
1247 if( pcFetched ) *pcFetched = copied;
1249 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1251 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1253 ULONG max = p_pin->media_type_count;
1254 if( cx_media_type.subtype != GUID_NULL )
1258 #ifdef DEBUG_DSHOW_L1
1259 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1262 i_position += cMediaTypes;
1263 return (i_position < max) ? S_OK : S_FALSE;
1265 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1267 #ifdef DEBUG_DSHOW_L1
1268 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1271 FreeMediaType(cx_media_type);
1272 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1276 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1278 #ifdef DEBUG_DSHOW_L1
1279 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1282 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1283 if( *ppEnum == NULL ) return E_OUTOFMEMORY;