1 /*****************************************************************************
2 * filter.c : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.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 hear 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 FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
150 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
152 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
153 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
154 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
155 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
170 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
171 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
172 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
174 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
175 extern const GUID GUID_NULL;
177 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
179 if( mt.cbFormat != 0 )
181 CoTaskMemFree( (PVOID)mt.pbFormat );
185 if( mt.pUnk != NULL )
192 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
193 const AM_MEDIA_TYPE *pmtSource )
195 *pmtTarget = *pmtSource;
197 if( !pmtSource || !pmtTarget ) return S_FALSE;
199 if( pmtSource->cbFormat && pmtSource->pbFormat )
201 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
202 if( pmtTarget->pbFormat == NULL )
204 pmtTarget->cbFormat = 0;
205 return E_OUTOFMEMORY;
209 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
210 pmtTarget->cbFormat );
213 if( pmtTarget->pUnk != NULL )
215 pmtTarget->pUnk->AddRef();
221 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
225 if( media_type.majortype == MEDIATYPE_Video )
227 /* currently only support this type of video info format */
228 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
230 /* Packed RGB formats */
231 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
232 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
233 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
234 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
235 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
236 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
237 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
238 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
239 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
240 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
242 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
244 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
245 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
246 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
248 /* Planar YUV formats */
249 else if( media_type.subtype == MEDIASUBTYPE_I420 )
250 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
251 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
252 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
253 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
254 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
255 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
256 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
257 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
258 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
260 /* Packed YUV formats */
261 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
262 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
263 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
264 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
265 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
266 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
267 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
268 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
269 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
270 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
271 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
272 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
274 /* MPEG2 video elementary stream */
275 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
276 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
279 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
280 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
281 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
282 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
283 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
284 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
287 else if( media_type.majortype == MEDIATYPE_Audio )
289 /* currently only support this type of audio info format */
290 if( media_type.formattype == FORMAT_WaveFormatEx )
292 if( media_type.subtype == MEDIASUBTYPE_PCM )
293 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
294 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
295 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
298 else if( media_type.majortype == MEDIATYPE_Stream )
300 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
301 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
302 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
303 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
309 /****************************************************************************
310 * Implementation of our dummy directshow filter pin class
311 ****************************************************************************/
313 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
314 CaptureFilter *_p_filter,
315 AM_MEDIA_TYPE *mt, size_t mt_count )
316 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
317 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
320 cx_media_type.majortype = mt[0].majortype;
321 cx_media_type.subtype = GUID_NULL;
322 cx_media_type.pbFormat = NULL;
323 cx_media_type.cbFormat = 0;
324 cx_media_type.pUnk = NULL;
327 CapturePin::~CapturePin()
330 msg_Dbg( p_input, "CapturePin::~CapturePin" );
332 for( size_t c=0; c<media_type_count; c++ )
334 FreeMediaType(media_types[c]);
336 FreeMediaType(cx_media_type);
339 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
341 #if 0 //def DEBUG_DSHOW
342 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
345 vlc_mutex_lock( &p_sys->lock );
346 if( samples_queue.size() )
348 *vlc_sample = samples_queue.back();
349 samples_queue.pop_back();
350 vlc_mutex_unlock( &p_sys->lock );
353 vlc_mutex_unlock( &p_sys->lock );
357 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
359 return cx_media_type;
362 /* IUnknown methods */
363 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
365 #ifdef DEBUG_DSHOW_L1
366 msg_Dbg( p_input, "CapturePin::QueryInterface" );
369 if( riid == IID_IUnknown ||
376 if( riid == IID_IMemInputPin )
379 *ppv = (IMemInputPin *)this;
384 #ifdef DEBUG_DSHOW_L1
385 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
386 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
387 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
388 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
389 (int)riid.Data4[2], (int)riid.Data4[3],
390 (int)riid.Data4[4], (int)riid.Data4[5],
391 (int)riid.Data4[6], (int)riid.Data4[7] );
394 return E_NOINTERFACE;
398 STDMETHODIMP_(ULONG) CapturePin::AddRef()
400 #ifdef DEBUG_DSHOW_L1
401 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
406 STDMETHODIMP_(ULONG) CapturePin::Release()
408 #ifdef DEBUG_DSHOW_L1
409 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
412 if( !InterlockedDecrement(&i_ref) ) delete this;
418 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
419 const AM_MEDIA_TYPE *pmt )
421 if( State_Running == p_filter->state )
423 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
424 return VFW_E_NOT_STOPPED;
427 if( p_connected_pin )
429 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
430 return VFW_E_ALREADY_CONNECTED;
433 if( !pmt ) return S_OK;
435 if( GUID_NULL != pmt->majortype &&
436 media_types[0].majortype != pmt->majortype )
438 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
442 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
444 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
449 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
451 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
452 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
454 msg_Dbg( p_input, "CapturePin::Connect "
455 "[video width/height == 0 ]" );
460 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
463 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
464 const AM_MEDIA_TYPE *pmt )
466 if( State_Stopped != p_filter->state )
468 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
469 return VFW_E_NOT_STOPPED;
472 if( !pConnector || !pmt )
474 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
478 if( p_connected_pin )
480 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
481 return VFW_E_ALREADY_CONNECTED;
484 if( S_OK != QueryAccept(pmt) )
486 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
487 "[media type not accepted]" );
488 return VFW_E_TYPE_NOT_ACCEPTED;
491 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
493 p_connected_pin = pConnector;
494 p_connected_pin->AddRef();
496 FreeMediaType( cx_media_type );
497 return CopyMediaType( &cx_media_type, pmt );
499 STDMETHODIMP CapturePin::Disconnect()
501 if( ! p_connected_pin )
503 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
507 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
509 /* samples_queue was already flushed in EndFlush() */
511 p_connected_pin->Release();
512 p_connected_pin = NULL;
513 //FreeMediaType( cx_media_type );
514 //cx_media_type.subtype = GUID_NULL;
518 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
520 if( !p_connected_pin )
522 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
523 return VFW_E_NOT_CONNECTED;
526 p_connected_pin->AddRef();
527 *pPin = p_connected_pin;
529 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
533 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
535 if( !p_connected_pin )
537 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
538 return VFW_E_NOT_CONNECTED;
541 return CopyMediaType( pmt, &cx_media_type );
543 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
546 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
549 pInfo->pFilter = p_filter;
550 if( p_filter ) p_filter->AddRef();
552 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
553 pInfo->dir = PINDIR_INPUT;
557 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
560 msg_Dbg( p_input, "CapturePin::QueryDirection" );
563 *pPinDir = PINDIR_INPUT;
566 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
569 msg_Dbg( p_input, "CapturePin::QueryId" );
572 *Id = L"VideoLAN Capture Pin";
576 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
578 if( State_Stopped != p_filter->state )
580 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
584 if( media_types[0].majortype != pmt->majortype )
586 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
590 int i_fourcc = GetFourCCFromMediaType(*pmt);
593 msg_Dbg( p_input, "CapturePin::QueryAccept "
594 "[media type not supported]" );
598 if( pmt->majortype == MEDIATYPE_Video )
601 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
602 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
604 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
608 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
609 "(width=%ld, height=%ld, chroma=%4.4s)",
610 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
611 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
614 else if( pmt->majortype == MEDIATYPE_Audio )
616 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
617 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
618 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
619 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
620 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
625 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
629 if( p_connected_pin )
631 FreeMediaType( cx_media_type );
632 CopyMediaType( &cx_media_type, pmt );
637 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
639 #ifdef DEBUG_DSHOW_L1
640 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
643 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
645 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
649 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
651 #ifdef DEBUG_DSHOW_L1
652 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
656 STDMETHODIMP CapturePin::EndOfStream( void )
659 msg_Dbg( p_input, "CapturePin::EndOfStream" );
663 STDMETHODIMP CapturePin::BeginFlush( void )
666 msg_Dbg( p_input, "CapturePin::BeginFlush" );
670 STDMETHODIMP CapturePin::EndFlush( void )
673 msg_Dbg( p_input, "CapturePin::EndFlush" );
676 VLCMediaSample vlc_sample;
678 vlc_mutex_lock( &p_sys->lock );
679 while( samples_queue.size() )
681 vlc_sample = samples_queue.back();
682 samples_queue.pop_back();
683 vlc_sample.p_sample->Release();
685 vlc_mutex_unlock( &p_sys->lock );
689 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
690 REFERENCE_TIME tStop,
694 msg_Dbg( p_input, "CapturePin::NewSegment" );
699 /* IMemInputPin methods */
700 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
703 msg_Dbg( p_input, "CapturePin::GetAllocator" );
706 return VFW_E_NO_ALLOCATOR;
708 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
712 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
717 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
720 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
725 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
727 #if 0 //def DEBUG_DSHOW
728 msg_Dbg( p_input, "CapturePin::Receive" );
732 mtime_t i_timestamp = mdate() * 10;
733 VLCMediaSample vlc_sample = {pSample, i_timestamp};
735 vlc_mutex_lock( &p_sys->lock );
736 samples_queue.push_front( vlc_sample );
738 /* Make sure we don't cache too many samples */
739 if( samples_queue.size() > 10 )
741 vlc_sample = samples_queue.back();
742 samples_queue.pop_back();
743 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
744 vlc_sample.p_sample->Release();
747 vlc_cond_signal( &p_sys->wait );
748 vlc_mutex_unlock( &p_sys->lock );
752 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
754 long *nSamplesProcessed )
758 *nSamplesProcessed = 0;
759 while( nSamples-- > 0 )
761 hr = Receive( pSamples[*nSamplesProcessed] );
762 if( hr != S_OK ) break;
763 (*nSamplesProcessed)++;
767 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
770 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
773 return S_FALSE; /* Thou shalt not block */
776 /****************************************************************************
777 * Implementation of our dummy directshow filter class
778 ****************************************************************************/
779 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
780 AM_MEDIA_TYPE *mt, size_t mt_count )
781 : p_input( _p_input ),
782 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
783 state( State_Stopped ), i_ref( 1 )
787 CaptureFilter::~CaptureFilter()
790 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
795 /* IUnknown methods */
796 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
798 #ifdef DEBUG_DSHOW_L1
799 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
802 if( riid == IID_IUnknown )
805 *ppv = (IUnknown *)this;
808 if( riid == IID_IPersist )
811 *ppv = (IPersist *)this;
814 if( riid == IID_IMediaFilter )
817 *ppv = (IMediaFilter *)this;
820 if( riid == IID_IBaseFilter )
823 *ppv = (IBaseFilter *)this;
828 #ifdef DEBUG_DSHOW_L1
829 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
830 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
831 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
832 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
833 (int)riid.Data4[2], (int)riid.Data4[3],
834 (int)riid.Data4[4], (int)riid.Data4[5],
835 (int)riid.Data4[6], (int)riid.Data4[7] );
838 return E_NOINTERFACE;
841 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
843 #ifdef DEBUG_DSHOW_L1
844 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
849 STDMETHODIMP_(ULONG) CaptureFilter::Release()
851 #ifdef DEBUG_DSHOW_L1
852 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
855 if( !InterlockedDecrement(&i_ref) ) delete this;
860 /* IPersist method */
861 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
864 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
869 /* IMediaFilter methods */
870 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
873 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
879 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
882 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
887 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
890 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
896 STDMETHODIMP CaptureFilter::Stop()
899 msg_Dbg( p_input, "CaptureFilter::Stop" );
904 state = State_Stopped;
907 STDMETHODIMP CaptureFilter::Pause()
910 msg_Dbg( p_input, "CaptureFilter::Pause" );
913 state = State_Paused;
916 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
919 msg_Dbg( p_input, "CaptureFilter::Run" );
922 state = State_Running;
926 /* IBaseFilter methods */
927 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
930 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
933 /* Create a new ref counted enumerator */
934 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
935 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
937 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
940 msg_Dbg( p_input, "CaptureFilter::FindPin" );
944 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
947 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
950 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
952 pInfo->pGraph = p_graph;
953 if( p_graph ) p_graph->AddRef();
957 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
961 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
968 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
971 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
977 CapturePin *CaptureFilter::CustomGetPin()
982 /****************************************************************************
983 * Implementation of our dummy directshow enumpins class
984 ****************************************************************************/
986 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
987 CaptureFilter *_p_filter,
988 CaptureEnumPins *pEnumPins )
989 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
991 /* Hold a reference count on our filter */
994 /* Are we creating a new enumerator */
996 if( pEnumPins == NULL )
1002 i_position = pEnumPins->i_position;
1006 CaptureEnumPins::~CaptureEnumPins()
1008 #ifdef DEBUG_DSHOW_L1
1009 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1011 p_filter->Release();
1014 /* IUnknown methods */
1015 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1017 #ifdef DEBUG_DSHOW_L1
1018 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1021 if( riid == IID_IUnknown ||
1022 riid == IID_IEnumPins )
1025 *ppv = (IEnumPins *)this;
1031 return E_NOINTERFACE;
1034 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1036 #ifdef DEBUG_DSHOW_L1
1037 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1042 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1044 #ifdef DEBUG_DSHOW_L1
1045 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1048 if( !InterlockedDecrement(&i_ref) ) delete this;
1054 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1057 #ifdef DEBUG_DSHOW_L1
1058 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1061 unsigned int i_fetched = 0;
1063 if( i_position < 1 && cPins > 0 )
1065 IPin *pPin = p_filter->CustomGetPin();
1072 if( pcFetched ) *pcFetched = i_fetched;
1074 return (i_fetched == cPins) ? S_OK : S_FALSE;
1076 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1078 #ifdef DEBUG_DSHOW_L1
1079 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1082 i_position += cPins;
1084 if( i_position > 1 )
1091 STDMETHODIMP CaptureEnumPins::Reset()
1093 #ifdef DEBUG_DSHOW_L1
1094 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1100 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1102 #ifdef DEBUG_DSHOW_L1
1103 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1106 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1107 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1112 /****************************************************************************
1113 * Implementation of our dummy directshow enummediatypes class
1114 ****************************************************************************/
1115 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1116 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1117 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1119 /* Hold a reference count on our filter */
1122 /* Are we creating a new enumerator */
1123 if( pEnumMediaTypes == NULL )
1125 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1130 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1131 i_position = pEnumMediaTypes->i_position;
1135 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1137 #ifdef DEBUG_DSHOW_L1
1138 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1140 FreeMediaType(cx_media_type);
1144 /* IUnknown methods */
1145 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1147 #ifdef DEBUG_DSHOW_L1
1148 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1151 if( riid == IID_IUnknown ||
1152 riid == IID_IEnumMediaTypes )
1155 *ppv = (IEnumMediaTypes *)this;
1161 return E_NOINTERFACE;
1164 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1166 #ifdef DEBUG_DSHOW_L1
1167 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1172 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1174 #ifdef DEBUG_DSHOW_L1
1175 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1178 if( !InterlockedDecrement(&i_ref) ) delete this;
1183 /* IEnumMediaTypes */
1184 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1185 AM_MEDIA_TYPE ** ppMediaTypes,
1188 #ifdef DEBUG_DSHOW_L1
1189 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1193 ULONG max = p_pin->media_type_count;
1195 if( ! ppMediaTypes )
1198 if( (! pcFetched) && (cMediaTypes > 1) )
1202 ** use connection media type as first entry in iterator if it exists
1205 if( cx_media_type.subtype != GUID_NULL )
1208 if( i_position == 0 )
1210 ppMediaTypes[copied] =
1211 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1212 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1213 return E_OUTOFMEMORY;
1219 while( (copied < cMediaTypes) && (i_position < max) )
1221 ppMediaTypes[copied] =
1222 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1223 if( CopyMediaType( ppMediaTypes[copied],
1224 &p_pin->media_types[i_position-offset]) != S_OK )
1225 return E_OUTOFMEMORY;
1231 if( pcFetched ) *pcFetched = copied;
1233 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1235 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1237 ULONG max = p_pin->media_type_count;
1238 if( cx_media_type.subtype != GUID_NULL )
1242 #ifdef DEBUG_DSHOW_L1
1243 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1246 i_position += cMediaTypes;
1247 return (i_position < max) ? S_OK : S_FALSE;
1249 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1251 #ifdef DEBUG_DSHOW_L1
1252 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1255 FreeMediaType(cx_media_type);
1256 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1260 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1262 #ifdef DEBUG_DSHOW_L1
1263 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1266 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1267 if( *ppEnum == NULL ) return E_OUTOFMEMORY;