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
51 #define FILTER_NAME L"VideoLAN Capture Filter"
52 #define PIN_NAME L"Capture"
54 /*****************************************************************************
56 * Easier to define them hear as mingw doesn't provide them all.
57 *****************************************************************************/
58 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
59 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
60 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
61 const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
62 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
63 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
64 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
65 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
67 const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
68 const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
69 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
70 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
71 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
72 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
74 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
75 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
77 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
79 const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
81 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
83 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
85 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
87 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
89 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
90 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
91 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
92 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
94 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
98 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
100 * MEDIATYPEs and MEDIASUBTYPEs
102 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
103 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
104 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
105 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
107 /* Packed RGB formats */
108 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
112 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
113 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
114 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
115 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
117 /* Packed YUV formats */
118 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
121 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
123 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
125 /* Planar YUV formats */
126 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
128 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
129 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
130 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
132 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
133 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
134 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
135 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
138 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
139 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
140 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
143 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
144 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
145 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
146 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
149 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
151 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
153 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
154 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
155 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
171 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
172 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
173 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
175 const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
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;
196 if( pmtSource->cbFormat != 0 )
198 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
199 if( pmtTarget->pbFormat == NULL )
201 pmtTarget->cbFormat = 0;
202 return E_OUTOFMEMORY;
206 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
207 pmtTarget->cbFormat );
210 if( pmtTarget->pUnk != NULL )
212 pmtTarget->pUnk->AddRef();
218 int GetFourCCFromMediaType(const AM_MEDIA_TYPE &media_type)
222 if( media_type.majortype == MEDIATYPE_Video )
224 /* currently only support this type of video info format */
225 if( media_type.formattype == FORMAT_VideoInfo )
227 /* Packed RGB formats */
228 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
229 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
230 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
231 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
232 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
233 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
234 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
235 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
236 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
237 i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
238 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
239 i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
240 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
241 i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
242 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
243 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
245 /* Planar YUV formats */
246 else if( media_type.subtype == MEDIASUBTYPE_I420 )
247 i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
248 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
249 i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
250 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
251 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
252 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
253 i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
254 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
255 i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
257 /* Packed YUV formats */
258 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
259 i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
260 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
261 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
262 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
263 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
264 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
265 i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
266 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
267 i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
268 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
269 i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
271 /* MPEG2 video elementary stream */
272 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
273 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
276 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
277 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
278 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
279 i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
280 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
281 i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
284 else if( media_type.majortype == MEDIATYPE_Audio )
286 /* currently only support this type of audio info format */
287 if( media_type.formattype == FORMAT_WaveFormatEx )
289 if( media_type.subtype == MEDIASUBTYPE_PCM )
290 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
291 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
292 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
295 else if( media_type.majortype == MEDIATYPE_Stream )
297 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
298 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
299 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
300 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
305 /****************************************************************************
306 * Implementation of our dummy directshow filter pin class
307 ****************************************************************************/
309 CapturePin::CapturePin( access_t * _p_input, CaptureFilter *_p_filter,
310 AM_MEDIA_TYPE *mt, size_t mt_count )
311 : p_input( _p_input ), p_filter( _p_filter ), p_connected_pin( NULL ),
312 media_types(mt), media_type_count(mt_count), i_ref( 1 )
314 cx_media_type.majortype = mt[0].majortype;
315 cx_media_type.subtype = GUID_NULL;
316 cx_media_type.pbFormat = NULL;
317 cx_media_type.pUnk = NULL;
320 CapturePin::~CapturePin()
323 msg_Dbg( p_input, "CapturePin::~CapturePin" );
325 for( size_t c=0; c<media_type_count; c++ )
327 FreeMediaType(media_types[c]);
329 FreeMediaType(cx_media_type);
332 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
334 #if 0 //def DEBUG_DSHOW
335 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
338 access_sys_t *p_sys = p_input->p_sys;
339 vlc_mutex_lock( &p_sys->lock );
340 if( samples_queue.size() )
342 *vlc_sample = samples_queue.back();
343 samples_queue.pop_back();
344 vlc_mutex_unlock( &p_sys->lock );
347 vlc_mutex_unlock( &p_sys->lock );
351 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
353 return cx_media_type;
356 /* IUnknown methods */
357 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
360 msg_Dbg( p_input, "CapturePin::QueryInterface" );
363 if( riid == IID_IUnknown ||
370 if( riid == IID_IMemInputPin )
373 *ppv = (IMemInputPin *)this;
379 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
380 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
381 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
382 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
383 (int)riid.Data4[2], (int)riid.Data4[3],
384 (int)riid.Data4[4], (int)riid.Data4[5],
385 (int)riid.Data4[6], (int)riid.Data4[7] );
388 return E_NOINTERFACE;
392 STDMETHODIMP_(ULONG) CapturePin::AddRef()
394 #ifdef DEBUG_DSHOW_L1
395 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
400 STDMETHODIMP_(ULONG) CapturePin::Release()
402 #ifdef DEBUG_DSHOW_L1
403 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
406 if( !InterlockedDecrement(&i_ref) ) delete this;
412 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
413 const AM_MEDIA_TYPE *pmt )
415 if( State_Running != p_filter->state )
417 if( ! p_connected_pin )
422 if( (GUID_NULL != pmt->majortype) && (media_types[0].majortype != pmt->majortype) )
423 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
426 if( (GUID_NULL != pmt->subtype) && (! GetFourCCFromMediaType(*pmt)) )
427 msg_Dbg( p_input, "CapturePin::Connect [media subtype type not supported]" );
432 if( pmt->majortype == MEDIATYPE_Video )
434 if( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) )
436 msg_Dbg( p_input, "CapturePin::Connect [video height == 0]" );
439 if( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) )
441 msg_Dbg( p_input, "CapturePin::Connect [video width == 0]" );
446 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
449 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
450 return VFW_E_ALREADY_CONNECTED;
452 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
453 return VFW_E_NOT_STOPPED;
455 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
456 const AM_MEDIA_TYPE *pmt )
458 if( State_Stopped != p_filter->state )
460 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
461 return VFW_E_NOT_STOPPED;
464 if( !pConnector || !pmt )
466 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
470 if( p_connected_pin )
472 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]" );
473 return VFW_E_ALREADY_CONNECTED;
476 if( S_OK != QueryAccept(pmt) )
478 msg_Dbg( p_input, "CapturePin::ReceiveConnection [media type not accepted]" );
479 return VFW_E_TYPE_NOT_ACCEPTED;
482 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
484 p_connected_pin = pConnector;
485 p_connected_pin->AddRef();
487 FreeMediaType( cx_media_type );
488 return CopyMediaType( &cx_media_type, pmt );
490 STDMETHODIMP CapturePin::Disconnect()
492 if( ! p_connected_pin )
494 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
498 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
500 #if 0 // FIXME: This does seem to create crashes sometimes
501 VLCMediaSample vlc_sample;
502 access_sys_t *p_sys = p_input->p_sys;
504 vlc_mutex_lock( &p_sys->lock );
505 while( samples_queue.size() )
507 vlc_sample = samples_queue.back();
508 samples_queue.pop_back();
509 vlc_sample.p_sample->Release();
511 vlc_mutex_unlock( &p_sys->lock );
514 p_connected_pin->Release();
515 p_connected_pin = NULL;
516 //FreeMediaType( cx_media_type );
517 //cx_media_type.subtype = GUID_NULL;
521 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
523 if( !p_connected_pin )
525 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
526 return VFW_E_NOT_CONNECTED;
529 p_connected_pin->AddRef();
530 *pPin = p_connected_pin;
532 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
536 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
538 if( !p_connected_pin )
540 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
541 return VFW_E_NOT_CONNECTED;
544 return CopyMediaType( pmt, &cx_media_type );
546 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
549 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
552 pInfo->pFilter = p_filter;
553 if( p_filter ) p_filter->AddRef();
555 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
556 pInfo->dir = PINDIR_INPUT;
560 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
563 msg_Dbg( p_input, "CapturePin::QueryDirection" );
566 *pPinDir = PINDIR_INPUT;
569 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
572 msg_Dbg( p_input, "CapturePin::QueryId" );
575 *Id = L"VideoLAN Capture Pin";
579 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
581 if( State_Stopped == p_filter->state )
583 if( media_types[0].majortype == pmt->majortype )
585 int i_chroma = GetFourCCFromMediaType(*pmt);
588 if( pmt->majortype == MEDIATYPE_Video )
591 ((((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
592 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0)) )
594 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]" );
597 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (width=%ld, height=%ld, chroma=%4.4s)",
598 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
599 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
604 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, samples/sec=%lu, bits/samples=%d, format=%4.4s)",
605 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
606 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
607 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
612 if( p_connected_pin )
614 FreeMediaType( cx_media_type );
615 CopyMediaType( &cx_media_type, pmt );
620 msg_Dbg( p_input, "CapturePin::QueryAccept [media type not supported]" );
624 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
628 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
632 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
635 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
638 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
640 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
644 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
647 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
651 STDMETHODIMP CapturePin::EndOfStream( void )
654 msg_Dbg( p_input, "CapturePin::EndOfStream" );
658 STDMETHODIMP CapturePin::BeginFlush( void )
661 msg_Dbg( p_input, "CapturePin::BeginFlush" );
665 STDMETHODIMP CapturePin::EndFlush( void )
668 msg_Dbg( p_input, "CapturePin::EndFlush" );
672 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
673 REFERENCE_TIME tStop,
677 msg_Dbg( p_input, "CapturePin::NewSegment" );
682 /* IMemInputPin methods */
683 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
686 msg_Dbg( p_input, "CapturePin::GetAllocator" );
689 return VFW_E_NO_ALLOCATOR;
691 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
695 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
700 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
703 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
708 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
710 #if 0 //def DEBUG_DSHOW
711 msg_Dbg( p_input, "CapturePin::Receive" );
715 mtime_t i_timestamp = mdate() * 10;
716 VLCMediaSample vlc_sample = {pSample, i_timestamp};
718 access_sys_t *p_sys = p_input->p_sys;
719 vlc_mutex_lock( &p_sys->lock );
720 samples_queue.push_front( vlc_sample );
722 /* Make sure we don't cache too many samples */
723 if( samples_queue.size() > 10 )
725 vlc_sample = samples_queue.back();
726 samples_queue.pop_back();
727 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
728 vlc_sample.p_sample->Release();
731 vlc_cond_signal( &p_sys->wait );
732 vlc_mutex_unlock( &p_sys->lock );
736 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
738 long *nSamplesProcessed )
742 *nSamplesProcessed = 0;
743 while( nSamples-- > 0 )
745 hr = Receive( pSamples[*nSamplesProcessed] );
746 if( hr != S_OK ) break;
747 (*nSamplesProcessed)++;
751 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
754 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
757 return S_FALSE; /* Thou shalt not block */
760 /****************************************************************************
761 * Implementation of our dummy directshow filter class
762 ****************************************************************************/
763 CaptureFilter::CaptureFilter( access_t * _p_input, AM_MEDIA_TYPE *mt,
765 : p_input( _p_input ), p_pin( new CapturePin( _p_input, this, mt, mt_count ) ),
766 state( State_Stopped ), i_ref( 1 )
770 CaptureFilter::~CaptureFilter()
773 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
778 /* IUnknown methods */
779 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
782 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
785 if( riid == IID_IUnknown )
788 *ppv = (IUnknown *)this;
791 if( riid == IID_IPersist )
794 *ppv = (IPersist *)this;
797 if( riid == IID_IMediaFilter )
800 *ppv = (IMediaFilter *)this;
803 if( riid == IID_IBaseFilter )
806 *ppv = (IBaseFilter *)this;
812 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
813 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
814 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
815 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
816 (int)riid.Data4[2], (int)riid.Data4[3],
817 (int)riid.Data4[4], (int)riid.Data4[5],
818 (int)riid.Data4[6], (int)riid.Data4[7] );
821 return E_NOINTERFACE;
824 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
826 #ifdef DEBUG_DSHOW_L1
827 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
832 STDMETHODIMP_(ULONG) CaptureFilter::Release()
834 #ifdef DEBUG_DSHOW_L1
835 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
838 if( !InterlockedDecrement(&i_ref) ) delete this;
843 /* IPersist method */
844 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
847 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
852 /* IMediaFilter methods */
853 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
856 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
862 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
865 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
870 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
873 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
879 STDMETHODIMP CaptureFilter::Stop()
882 msg_Dbg( p_input, "CaptureFilter::Stop" );
885 state = State_Stopped;
888 STDMETHODIMP CaptureFilter::Pause()
891 msg_Dbg( p_input, "CaptureFilter::Pause" );
894 state = State_Paused;
897 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
900 msg_Dbg( p_input, "CaptureFilter::Run" );
903 state = State_Running;
907 /* IBaseFilter methods */
908 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
911 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
914 /* Create a new ref counted enumerator */
915 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
916 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
918 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
921 msg_Dbg( p_input, "CaptureFilter::FindPin" );
925 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
928 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
931 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
933 pInfo->pGraph = p_graph;
934 if( p_graph ) p_graph->AddRef();
938 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
942 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
949 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
952 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
958 CapturePin *CaptureFilter::CustomGetPin()
963 /****************************************************************************
964 * Implementation of our dummy directshow enumpins class
965 ****************************************************************************/
967 CaptureEnumPins::CaptureEnumPins( access_t * _p_input,
968 CaptureFilter *_p_filter,
969 CaptureEnumPins *pEnumPins )
970 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
972 /* Hold a reference count on our filter */
975 /* Are we creating a new enumerator */
977 if( pEnumPins == NULL )
983 i_position = pEnumPins->i_position;
987 CaptureEnumPins::~CaptureEnumPins()
990 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
995 /* IUnknown methods */
996 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
999 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1002 if( riid == IID_IUnknown ||
1003 riid == IID_IEnumPins )
1006 *ppv = (IEnumPins *)this;
1012 return E_NOINTERFACE;
1015 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1017 #ifdef DEBUG_DSHOW_L1
1018 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1023 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1025 #ifdef DEBUG_DSHOW_L1
1026 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1029 if( !InterlockedDecrement(&i_ref) ) delete this;
1035 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1039 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1042 unsigned int i_fetched = 0;
1044 if( i_position < 1 && cPins > 0 )
1046 IPin *pPin = p_filter->CustomGetPin();
1053 if( pcFetched ) *pcFetched = i_fetched;
1055 return (i_fetched == cPins) ? S_OK : S_FALSE;
1057 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1060 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1063 i_position += cPins;
1065 if( i_position > 1 )
1072 STDMETHODIMP CaptureEnumPins::Reset()
1075 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1081 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1084 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1087 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1088 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1093 /****************************************************************************
1094 * Implementation of our dummy directshow enummediatypes class
1095 ****************************************************************************/
1096 CaptureEnumMediaTypes::CaptureEnumMediaTypes( access_t * _p_input,
1097 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1098 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1100 /* Hold a reference count on our filter */
1103 /* Are we creating a new enumerator */
1104 if( pEnumMediaTypes == NULL )
1106 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1111 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1112 i_position = pEnumMediaTypes->i_position;
1116 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1119 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1121 FreeMediaType(cx_media_type);
1125 /* IUnknown methods */
1126 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1129 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1132 if( riid == IID_IUnknown ||
1133 riid == IID_IEnumMediaTypes )
1136 *ppv = (IEnumMediaTypes *)this;
1142 return E_NOINTERFACE;
1145 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1147 #ifdef DEBUG_DSHOW_L1
1148 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1153 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1155 #ifdef DEBUG_DSHOW_L1
1156 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1159 if( !InterlockedDecrement(&i_ref) ) delete this;
1164 /* IEnumMediaTypes */
1165 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1166 AM_MEDIA_TYPE ** ppMediaTypes,
1170 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1174 ULONG max = p_pin->media_type_count;
1176 if( ! ppMediaTypes )
1179 if( (! pcFetched) && (cMediaTypes > 1) )
1183 ** use connection media type as first entry in iterator if it exists
1186 if( cx_media_type.subtype != GUID_NULL ) {
1188 if( i_position == 0 ) {
1189 ppMediaTypes[copied] = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1190 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1191 return E_OUTOFMEMORY;
1197 while( (copied < cMediaTypes) && (i_position < max) )
1199 ppMediaTypes[copied] = (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1200 if( CopyMediaType(ppMediaTypes[copied], &p_pin->media_types[i_position-offset]) != S_OK )
1201 return E_OUTOFMEMORY;
1209 *pcFetched = copied;
1212 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1214 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1216 ULONG max = p_pin->media_type_count;
1217 if( cx_media_type.subtype != GUID_NULL )
1222 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1225 i_position += cMediaTypes;
1226 return (i_position < max) ? S_OK : S_FALSE;
1228 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1231 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1234 FreeMediaType(cx_media_type);
1235 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1239 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1242 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1245 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1246 if( *ppEnum == NULL ) return E_OUTOFMEMORY;