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 *****************************************************************************/
33 /* Work-around a bug in w32api-2.5 */
34 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
42 #define FILTER_NAME L"VideoLAN Capture Filter"
43 #define PIN_NAME L"Capture"
45 /*****************************************************************************
47 * Easier to define them here as mingw doesn't provide them all.
48 *****************************************************************************/
49 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
50 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
51 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
52 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
53 extern const GUID IID_IPropertyBag;
54 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
55 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
56 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
57 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
59 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
60 extern const GUID IID_IUnknown;
61 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
62 extern const GUID IID_IPersist;
63 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
64 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
65 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
66 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
67 extern const GUID IID_IMemInputPin;
69 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
70 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
72 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
74 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
75 extern const GUID IID_ISpecifyPropertyPages;
77 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
79 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
81 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
83 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
85 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
86 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
87 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
88 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
90 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
94 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
96 * MEDIATYPEs and MEDIASUBTYPEs
98 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
99 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
100 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
101 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
103 /* Packed RGB formats */
104 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
105 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
106 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
107 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
113 /* Packed YUV formats */
114 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
115 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
116 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
117 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
121 /* Planar YUV formats */
122 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
123 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
124 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
125 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
126 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
128 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
129 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
130 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
131 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
134 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
135 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
136 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
139 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
140 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
141 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
142 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
145 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
148 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
151 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
153 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
155 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
172 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
173 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
174 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
175 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
177 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
178 extern const GUID GUID_NULL;
180 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
182 if( mt.cbFormat != 0 )
184 CoTaskMemFree( (PVOID)mt.pbFormat );
188 if( mt.pUnk != NULL )
195 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
196 const AM_MEDIA_TYPE *pmtSource )
198 *pmtTarget = *pmtSource;
200 if( !pmtSource || !pmtTarget ) return S_FALSE;
202 if( pmtSource->cbFormat && pmtSource->pbFormat )
204 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
205 if( pmtTarget->pbFormat == NULL )
207 pmtTarget->cbFormat = 0;
208 return E_OUTOFMEMORY;
212 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
213 pmtTarget->cbFormat );
216 if( pmtTarget->pUnk != NULL )
218 pmtTarget->pUnk->AddRef();
224 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
228 if( media_type.majortype == MEDIATYPE_Video )
230 /* currently only support this type of video info format */
231 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
233 /* Packed RGB formats */
234 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
235 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
236 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
237 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
238 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
239 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
240 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
241 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
242 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
243 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
244 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
245 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
246 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
247 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
248 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
249 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
251 /* Planar YUV formats */
252 else if( media_type.subtype == MEDIASUBTYPE_I420 )
253 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
254 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
255 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
256 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
257 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
258 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
259 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
260 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
261 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
263 /* Packed YUV formats */
264 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
265 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
266 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
267 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
268 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
269 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
270 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
271 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
272 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
273 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
274 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
275 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
277 /* MPEG2 video elementary stream */
278 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
279 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
282 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
283 i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
286 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
287 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
288 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
289 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
290 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
291 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
294 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
295 i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
299 else if( media_type.majortype == MEDIATYPE_Audio )
301 /* currently only support this type of audio info format */
302 if( media_type.formattype == FORMAT_WaveFormatEx )
304 if( media_type.subtype == MEDIASUBTYPE_PCM )
305 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
306 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
307 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
310 else if( media_type.majortype == MEDIATYPE_Stream )
312 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
313 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
314 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
315 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
321 /****************************************************************************
322 * Implementation of our dummy directshow filter pin class
323 ****************************************************************************/
325 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
326 CaptureFilter *_p_filter,
327 AM_MEDIA_TYPE *mt, size_t mt_count )
328 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
329 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
332 cx_media_type.majortype = mt[0].majortype;
333 cx_media_type.subtype = GUID_NULL;
334 cx_media_type.pbFormat = NULL;
335 cx_media_type.cbFormat = 0;
336 cx_media_type.pUnk = NULL;
339 CapturePin::~CapturePin()
342 msg_Dbg( p_input, "CapturePin::~CapturePin" );
344 for( size_t c=0; c<media_type_count; c++ )
346 FreeMediaType(media_types[c]);
348 FreeMediaType(cx_media_type);
351 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
353 #if 0 //def DEBUG_DSHOW
354 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
357 vlc_mutex_lock( &p_sys->lock );
358 if( samples_queue.size() )
360 *vlc_sample = samples_queue.back();
361 samples_queue.pop_back();
362 vlc_mutex_unlock( &p_sys->lock );
365 vlc_mutex_unlock( &p_sys->lock );
369 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
371 return cx_media_type;
374 /* IUnknown methods */
375 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
377 #ifdef DEBUG_DSHOW_L1
378 msg_Dbg( p_input, "CapturePin::QueryInterface" );
381 if( riid == IID_IUnknown ||
388 if( riid == IID_IMemInputPin )
391 *ppv = (IMemInputPin *)this;
396 #ifdef DEBUG_DSHOW_L1
397 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
398 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
399 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
400 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
401 (int)riid.Data4[2], (int)riid.Data4[3],
402 (int)riid.Data4[4], (int)riid.Data4[5],
403 (int)riid.Data4[6], (int)riid.Data4[7] );
406 return E_NOINTERFACE;
410 STDMETHODIMP_(ULONG) CapturePin::AddRef()
412 #ifdef DEBUG_DSHOW_L1
413 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
418 STDMETHODIMP_(ULONG) CapturePin::Release()
420 #ifdef DEBUG_DSHOW_L1
421 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
424 if( !InterlockedDecrement(&i_ref) ) delete this;
430 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
431 const AM_MEDIA_TYPE *pmt )
433 if( State_Running == p_filter->state )
435 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
436 return VFW_E_NOT_STOPPED;
439 if( p_connected_pin )
441 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
442 return VFW_E_ALREADY_CONNECTED;
445 if( !pmt ) return S_OK;
447 if( GUID_NULL != pmt->majortype &&
448 media_types[0].majortype != pmt->majortype )
450 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
454 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
456 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
461 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
463 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
464 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
466 msg_Dbg( p_input, "CapturePin::Connect "
467 "[video width/height == 0 ]" );
472 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
475 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
476 const AM_MEDIA_TYPE *pmt )
478 if( State_Stopped != p_filter->state )
480 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
481 return VFW_E_NOT_STOPPED;
484 if( !pConnector || !pmt )
486 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
490 if( p_connected_pin )
492 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
493 return VFW_E_ALREADY_CONNECTED;
496 if( S_OK != QueryAccept(pmt) )
498 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
499 "[media type not accepted]" );
500 return VFW_E_TYPE_NOT_ACCEPTED;
503 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
505 p_connected_pin = pConnector;
506 p_connected_pin->AddRef();
508 FreeMediaType( cx_media_type );
509 return CopyMediaType( &cx_media_type, pmt );
511 STDMETHODIMP CapturePin::Disconnect()
513 if( ! p_connected_pin )
515 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
519 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
521 /* samples_queue was already flushed in EndFlush() */
523 p_connected_pin->Release();
524 p_connected_pin = NULL;
525 //FreeMediaType( cx_media_type );
526 //cx_media_type.subtype = GUID_NULL;
530 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
532 if( !p_connected_pin )
534 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
535 return VFW_E_NOT_CONNECTED;
538 p_connected_pin->AddRef();
539 *pPin = p_connected_pin;
541 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
545 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
547 if( !p_connected_pin )
549 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
550 return VFW_E_NOT_CONNECTED;
553 return CopyMediaType( pmt, &cx_media_type );
555 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
558 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
561 pInfo->pFilter = p_filter;
562 if( p_filter ) p_filter->AddRef();
564 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
565 pInfo->dir = PINDIR_INPUT;
569 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
572 msg_Dbg( p_input, "CapturePin::QueryDirection" );
575 *pPinDir = PINDIR_INPUT;
578 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
581 msg_Dbg( p_input, "CapturePin::QueryId" );
584 *Id = L"VideoLAN Capture Pin";
588 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
590 if( State_Stopped != p_filter->state )
592 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
596 if( media_types[0].majortype != pmt->majortype )
598 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
602 int i_fourcc = GetFourCCFromMediaType(*pmt);
605 msg_Dbg( p_input, "CapturePin::QueryAccept "
606 "[media type not supported]" );
610 if( pmt->majortype == MEDIATYPE_Video )
613 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
614 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
616 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
620 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
621 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
622 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
623 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
625 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
627 else if( pmt->majortype == MEDIATYPE_Audio )
629 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
630 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
631 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
632 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
633 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
638 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
642 if( p_connected_pin )
644 FreeMediaType( cx_media_type );
645 CopyMediaType( &cx_media_type, pmt );
650 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
652 #ifdef DEBUG_DSHOW_L1
653 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
656 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
658 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
662 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
664 #ifdef DEBUG_DSHOW_L1
665 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
669 STDMETHODIMP CapturePin::EndOfStream( void )
672 msg_Dbg( p_input, "CapturePin::EndOfStream" );
676 STDMETHODIMP CapturePin::BeginFlush( void )
679 msg_Dbg( p_input, "CapturePin::BeginFlush" );
683 STDMETHODIMP CapturePin::EndFlush( void )
686 msg_Dbg( p_input, "CapturePin::EndFlush" );
689 VLCMediaSample vlc_sample;
691 vlc_mutex_lock( &p_sys->lock );
692 while( samples_queue.size() )
694 vlc_sample = samples_queue.back();
695 samples_queue.pop_back();
696 vlc_sample.p_sample->Release();
698 vlc_mutex_unlock( &p_sys->lock );
702 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
703 REFERENCE_TIME tStop,
707 msg_Dbg( p_input, "CapturePin::NewSegment" );
712 /* IMemInputPin methods */
713 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
716 msg_Dbg( p_input, "CapturePin::GetAllocator" );
719 return VFW_E_NO_ALLOCATOR;
721 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
725 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
730 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
733 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
738 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
740 #if 0 //def DEBUG_DSHOW
741 msg_Dbg( p_input, "CapturePin::Receive" );
745 mtime_t i_timestamp = mdate() * 10;
746 VLCMediaSample vlc_sample = {pSample, i_timestamp};
748 vlc_mutex_lock( &p_sys->lock );
749 samples_queue.push_front( vlc_sample );
751 /* Make sure we don't cache too many samples */
752 if( samples_queue.size() > 10 )
754 vlc_sample = samples_queue.back();
755 samples_queue.pop_back();
756 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
757 vlc_sample.p_sample->Release();
760 vlc_cond_signal( &p_sys->wait );
761 vlc_mutex_unlock( &p_sys->lock );
765 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
767 long *nSamplesProcessed )
771 *nSamplesProcessed = 0;
772 while( nSamples-- > 0 )
774 hr = Receive( pSamples[*nSamplesProcessed] );
775 if( hr != S_OK ) break;
776 (*nSamplesProcessed)++;
780 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
783 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
786 return S_FALSE; /* Thou shalt not block */
789 /****************************************************************************
790 * Implementation of our dummy directshow filter class
791 ****************************************************************************/
792 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
793 AM_MEDIA_TYPE *mt, size_t mt_count )
794 : p_input( _p_input ),
795 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
796 state( State_Stopped ), i_ref( 1 )
800 CaptureFilter::~CaptureFilter()
803 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
808 /* IUnknown methods */
809 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
811 #ifdef DEBUG_DSHOW_L1
812 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
815 if( riid == IID_IUnknown )
818 *ppv = (IUnknown *)this;
821 if( riid == IID_IPersist )
824 *ppv = (IPersist *)this;
827 if( riid == IID_IMediaFilter )
830 *ppv = (IMediaFilter *)this;
833 if( riid == IID_IBaseFilter )
836 *ppv = (IBaseFilter *)this;
841 #ifdef DEBUG_DSHOW_L1
842 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
843 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
844 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
845 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
846 (int)riid.Data4[2], (int)riid.Data4[3],
847 (int)riid.Data4[4], (int)riid.Data4[5],
848 (int)riid.Data4[6], (int)riid.Data4[7] );
851 return E_NOINTERFACE;
854 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
856 #ifdef DEBUG_DSHOW_L1
857 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
862 STDMETHODIMP_(ULONG) CaptureFilter::Release()
864 #ifdef DEBUG_DSHOW_L1
865 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
868 if( !InterlockedDecrement(&i_ref) ) delete this;
873 /* IPersist method */
874 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
877 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
882 /* IMediaFilter methods */
883 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
886 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
892 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
895 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
900 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
903 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
909 STDMETHODIMP CaptureFilter::Stop()
912 msg_Dbg( p_input, "CaptureFilter::Stop" );
917 state = State_Stopped;
920 STDMETHODIMP CaptureFilter::Pause()
923 msg_Dbg( p_input, "CaptureFilter::Pause" );
926 state = State_Paused;
929 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
932 msg_Dbg( p_input, "CaptureFilter::Run" );
935 state = State_Running;
939 /* IBaseFilter methods */
940 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
943 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
946 /* Create a new ref counted enumerator */
947 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
948 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
950 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
953 msg_Dbg( p_input, "CaptureFilter::FindPin" );
957 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
960 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
963 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
965 pInfo->pGraph = p_graph;
966 if( p_graph ) p_graph->AddRef();
970 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
974 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
981 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
984 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
990 CapturePin *CaptureFilter::CustomGetPin()
995 /****************************************************************************
996 * Implementation of our dummy directshow enumpins class
997 ****************************************************************************/
999 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1000 CaptureFilter *_p_filter,
1001 CaptureEnumPins *pEnumPins )
1002 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1004 /* Hold a reference count on our filter */
1007 /* Are we creating a new enumerator */
1009 if( pEnumPins == NULL )
1015 i_position = pEnumPins->i_position;
1019 CaptureEnumPins::~CaptureEnumPins()
1021 #ifdef DEBUG_DSHOW_L1
1022 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1024 p_filter->Release();
1027 /* IUnknown methods */
1028 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1030 #ifdef DEBUG_DSHOW_L1
1031 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1034 if( riid == IID_IUnknown ||
1035 riid == IID_IEnumPins )
1038 *ppv = (IEnumPins *)this;
1044 return E_NOINTERFACE;
1047 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1049 #ifdef DEBUG_DSHOW_L1
1050 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1055 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1057 #ifdef DEBUG_DSHOW_L1
1058 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1061 if( !InterlockedDecrement(&i_ref) ) delete this;
1067 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1070 #ifdef DEBUG_DSHOW_L1
1071 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1074 unsigned int i_fetched = 0;
1076 if( i_position < 1 && cPins > 0 )
1078 IPin *pPin = p_filter->CustomGetPin();
1085 if( pcFetched ) *pcFetched = i_fetched;
1087 return (i_fetched == cPins) ? S_OK : S_FALSE;
1089 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1091 #ifdef DEBUG_DSHOW_L1
1092 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1095 i_position += cPins;
1097 if( i_position > 1 )
1104 STDMETHODIMP CaptureEnumPins::Reset()
1106 #ifdef DEBUG_DSHOW_L1
1107 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1113 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1115 #ifdef DEBUG_DSHOW_L1
1116 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1119 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1120 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1125 /****************************************************************************
1126 * Implementation of our dummy directshow enummediatypes class
1127 ****************************************************************************/
1128 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1129 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1130 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1132 /* Hold a reference count on our filter */
1135 /* Are we creating a new enumerator */
1136 if( pEnumMediaTypes == NULL )
1138 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1143 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1144 i_position = pEnumMediaTypes->i_position;
1148 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1150 #ifdef DEBUG_DSHOW_L1
1151 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1153 FreeMediaType(cx_media_type);
1157 /* IUnknown methods */
1158 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1160 #ifdef DEBUG_DSHOW_L1
1161 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1164 if( riid == IID_IUnknown ||
1165 riid == IID_IEnumMediaTypes )
1168 *ppv = (IEnumMediaTypes *)this;
1174 return E_NOINTERFACE;
1177 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1179 #ifdef DEBUG_DSHOW_L1
1180 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1185 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1187 #ifdef DEBUG_DSHOW_L1
1188 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1191 if( !InterlockedDecrement(&i_ref) ) delete this;
1196 /* IEnumMediaTypes */
1197 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1198 AM_MEDIA_TYPE ** ppMediaTypes,
1201 #ifdef DEBUG_DSHOW_L1
1202 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1206 ULONG max = p_pin->media_type_count;
1208 if( ! ppMediaTypes )
1211 if( (! pcFetched) && (cMediaTypes > 1) )
1215 ** use connection media type as first entry in iterator if it exists
1218 if( cx_media_type.subtype != GUID_NULL )
1221 if( i_position == 0 )
1223 ppMediaTypes[copied] =
1224 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1225 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1226 return E_OUTOFMEMORY;
1232 while( (copied < cMediaTypes) && (i_position < max) )
1234 ppMediaTypes[copied] =
1235 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1236 if( CopyMediaType( ppMediaTypes[copied],
1237 &p_pin->media_types[i_position-offset]) != S_OK )
1238 return E_OUTOFMEMORY;
1244 if( pcFetched ) *pcFetched = copied;
1246 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1248 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1250 ULONG max = p_pin->media_type_count;
1251 if( cx_media_type.subtype != GUID_NULL )
1255 #ifdef DEBUG_DSHOW_L1
1256 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1259 i_position += cMediaTypes;
1260 return (i_position < max) ? S_OK : S_FALSE;
1262 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1264 #ifdef DEBUG_DSHOW_L1
1265 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1268 FreeMediaType(cx_media_type);
1269 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1273 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1275 #ifdef DEBUG_DSHOW_L1
1276 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1279 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1280 if( *ppEnum == NULL ) return E_OUTOFMEMORY;