1 /*****************************************************************************
2 * filter.c : DirectShow access module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
35 /* Work-around a bug in w32api-2.5 */
36 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
44 #define FILTER_NAME L"VideoLAN Capture Filter"
45 #define PIN_NAME L"Capture"
47 /*****************************************************************************
49 * Easier to define them here as mingw doesn't provide them all.
50 *****************************************************************************/
51 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
52 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
53 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
54 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
55 extern const GUID IID_IPropertyBag;
56 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
57 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
58 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
59 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
61 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
62 extern const GUID IID_IUnknown;
63 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
64 extern const GUID IID_IPersist;
65 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
66 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
67 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
68 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
69 extern const GUID IID_IMemInputPin;
71 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
72 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
74 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
76 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
77 extern const GUID IID_ISpecifyPropertyPages;
79 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
81 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
83 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
85 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
87 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
88 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
89 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
90 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
92 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
96 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
98 * MEDIATYPEs and MEDIASUBTYPEs
100 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
101 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
102 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
103 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
105 /* Packed RGB formats */
106 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
107 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
112 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
113 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
115 /* Packed YUV formats */
116 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
117 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
121 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 const GUID MEDIASUBTYPE_HDYC = {0x43594448, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
124 /* Planar YUV formats */
125 const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
126 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
127 const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
128 const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
129 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
131 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
132 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
133 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
134 const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
137 const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
138 const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
139 const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
142 const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
143 const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
144 const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
145 const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
148 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
151 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
154 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
156 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
158 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
172 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
173 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
175 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
176 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
177 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
178 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
180 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
181 extern const GUID GUID_NULL;
183 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
185 if( mt.cbFormat != 0 )
187 CoTaskMemFree( (PVOID)mt.pbFormat );
191 if( mt.pUnk != NULL )
198 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
199 const AM_MEDIA_TYPE *pmtSource )
201 *pmtTarget = *pmtSource;
203 if( !pmtSource || !pmtTarget ) return S_FALSE;
205 if( pmtSource->cbFormat && pmtSource->pbFormat )
207 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
208 if( pmtTarget->pbFormat == NULL )
210 pmtTarget->cbFormat = 0;
211 return E_OUTOFMEMORY;
215 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
216 pmtTarget->cbFormat );
219 if( pmtTarget->pUnk != NULL )
221 pmtTarget->pUnk->AddRef();
227 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
231 if( media_type.majortype == MEDIATYPE_Video )
233 /* currently only support this type of video info format */
234 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
236 /* Packed RGB formats */
237 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
238 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
239 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
240 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
241 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
242 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
243 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
244 i_fourcc = VLC_CODEC_RGB15;
245 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
246 i_fourcc = VLC_CODEC_RGB16;
247 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
248 i_fourcc = VLC_CODEC_RGB24;
249 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
250 i_fourcc = VLC_CODEC_RGB32;
251 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
252 i_fourcc = VLC_CODEC_RGBA;
254 /* Planar YUV formats */
255 else if( media_type.subtype == MEDIASUBTYPE_I420 )
256 i_fourcc = VLC_CODEC_I420;
257 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
258 i_fourcc = VLC_CODEC_I411;
259 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
260 i_fourcc = VLC_CODEC_YV12;
261 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
262 i_fourcc = VLC_CODEC_YV12;
263 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
264 i_fourcc = VLC_CODEC_I410;
266 /* Packed YUV formats */
267 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
268 i_fourcc = VLC_CODEC_YVYU;
269 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
270 i_fourcc = VLC_CODEC_YUYV;
271 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
272 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
273 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
274 i_fourcc = VLC_CODEC_Y211;
275 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
276 i_fourcc = VLC_CODEC_YUYV;
277 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
278 i_fourcc = VLC_CODEC_UYVY;
279 /* HDYC uses UYVY sample positions but Rec709 colourimetry */
280 /* FIXME: When VLC understands colourspace, something will need
281 * to be added / changed here. Until then, just make it behave
283 else if( media_type.subtype == MEDIASUBTYPE_HDYC )
284 i_fourcc = VLC_CODEC_UYVY;
286 /* MPEG2 video elementary stream */
287 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
288 i_fourcc = VLC_CODEC_MPGV;
291 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
292 i_fourcc = VLC_CODEC_MP4V;
295 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
296 i_fourcc = VLC_CODEC_DV;
297 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
298 i_fourcc = VLC_CODEC_DV;
299 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
300 i_fourcc = VLC_CODEC_DV;
303 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
304 i_fourcc = VLC_CODEC_MJPG;
308 else if( media_type.majortype == MEDIATYPE_Audio )
310 /* currently only support this type of audio info format */
311 if( media_type.formattype == FORMAT_WaveFormatEx )
313 if( media_type.subtype == MEDIASUBTYPE_PCM )
314 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
315 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
316 i_fourcc = VLC_CODEC_FL32;
319 else if( media_type.majortype == MEDIATYPE_Stream )
321 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
322 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
323 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
324 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
330 /****************************************************************************
331 * Implementation of our dummy directshow filter pin class
332 ****************************************************************************/
334 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
335 CaptureFilter *_p_filter,
336 AM_MEDIA_TYPE *mt, size_t mt_count )
337 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
338 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
341 cx_media_type.majortype = mt[0].majortype;
342 cx_media_type.subtype = GUID_NULL;
343 cx_media_type.pbFormat = NULL;
344 cx_media_type.cbFormat = 0;
345 cx_media_type.pUnk = NULL;
348 CapturePin::~CapturePin()
351 msg_Dbg( p_input, "CapturePin::~CapturePin" );
353 for( size_t c=0; c<media_type_count; c++ )
355 FreeMediaType(media_types[c]);
357 FreeMediaType(cx_media_type);
361 * Returns the complete queue of samples that have been received so far.
362 * Lock the p_sys->lock before calling this function.
363 * @param samples_queue [out] Empty queue that will get all elements from
365 * @return S_OK if a sample was available, S_FALSE if no sample was
368 HRESULT CapturePin::CustomGetSamples( deque<VLCMediaSample> &external_queue )
370 #if 0 //def DEBUG_DSHOW
371 msg_Dbg( p_input, "CapturePin::CustomGetSamples: %d samples in the queue", samples_queue.size());
374 if( !samples_queue.empty() )
376 external_queue.swap(samples_queue);
383 * Returns a sample from its sample queue. Proper locking must be done prior
384 * to this call. Current dshow code protects the access to any sample queue
385 * (audio and video) with the p_sys->lock
386 * @param vlc_sample [out] Address of a sample if sucessfull. Undefined
388 * @return S_OK if a sample was available, S_FALSE if no sample was
391 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
393 #if 0 //def DEBUG_DSHOW
394 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
397 if( samples_queue.size() )
399 *vlc_sample = samples_queue.back();
400 samples_queue.pop_back();
406 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
408 return cx_media_type;
411 /* IUnknown methods */
412 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
414 #ifdef DEBUG_DSHOW_L1
415 msg_Dbg( p_input, "CapturePin::QueryInterface" );
418 if( riid == IID_IUnknown ||
425 if( riid == IID_IMemInputPin )
428 *ppv = (IMemInputPin *)this;
433 #ifdef DEBUG_DSHOW_L1
434 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
435 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
436 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
437 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
438 (int)riid.Data4[2], (int)riid.Data4[3],
439 (int)riid.Data4[4], (int)riid.Data4[5],
440 (int)riid.Data4[6], (int)riid.Data4[7] );
443 return E_NOINTERFACE;
447 STDMETHODIMP_(ULONG) CapturePin::AddRef()
449 #ifdef DEBUG_DSHOW_L1
450 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
455 STDMETHODIMP_(ULONG) CapturePin::Release()
457 #ifdef DEBUG_DSHOW_L1
458 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
461 if( !InterlockedDecrement(&i_ref) ) delete this;
467 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
468 const AM_MEDIA_TYPE *pmt )
470 if( State_Running == p_filter->state )
472 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
473 return VFW_E_NOT_STOPPED;
476 if( p_connected_pin )
478 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
479 return VFW_E_ALREADY_CONNECTED;
482 if( !pmt ) return S_OK;
484 if( GUID_NULL != pmt->majortype &&
485 media_types[0].majortype != pmt->majortype )
487 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
491 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
493 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
498 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
500 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
501 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
503 msg_Dbg( p_input, "CapturePin::Connect "
504 "[video width/height == 0 ]" );
509 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
512 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
513 const AM_MEDIA_TYPE *pmt )
515 if( State_Stopped != p_filter->state )
517 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
518 return VFW_E_NOT_STOPPED;
521 if( !pConnector || !pmt )
523 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
527 if( p_connected_pin )
529 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
530 return VFW_E_ALREADY_CONNECTED;
533 if( S_OK != QueryAccept(pmt) )
535 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
536 "[media type not accepted]" );
537 return VFW_E_TYPE_NOT_ACCEPTED;
540 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
542 p_connected_pin = pConnector;
543 p_connected_pin->AddRef();
545 FreeMediaType( cx_media_type );
546 return CopyMediaType( &cx_media_type, pmt );
548 STDMETHODIMP CapturePin::Disconnect()
550 if( ! p_connected_pin )
552 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
556 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
558 /* samples_queue was already flushed in EndFlush() */
560 p_connected_pin->Release();
561 p_connected_pin = NULL;
562 //FreeMediaType( cx_media_type );
563 //cx_media_type.subtype = GUID_NULL;
567 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
569 if( !p_connected_pin )
571 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
572 return VFW_E_NOT_CONNECTED;
575 p_connected_pin->AddRef();
576 *pPin = p_connected_pin;
578 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
582 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
584 if( !p_connected_pin )
586 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
587 return VFW_E_NOT_CONNECTED;
590 return CopyMediaType( pmt, &cx_media_type );
592 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
595 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
598 pInfo->pFilter = p_filter;
599 if( p_filter ) p_filter->AddRef();
601 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
602 pInfo->dir = PINDIR_INPUT;
606 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
609 msg_Dbg( p_input, "CapturePin::QueryDirection" );
612 *pPinDir = PINDIR_INPUT;
615 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
618 msg_Dbg( p_input, "CapturePin::QueryId" );
621 *Id = L"VideoLAN Capture Pin";
625 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
627 if( State_Stopped != p_filter->state )
629 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
633 if( media_types[0].majortype != pmt->majortype )
635 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
639 int i_fourcc = GetFourCCFromMediaType(*pmt);
642 msg_Dbg( p_input, "CapturePin::QueryAccept "
643 "[media type not supported]" );
647 if( pmt->majortype == MEDIATYPE_Video )
650 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
651 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
653 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
657 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
658 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
659 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
660 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
662 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
664 else if( pmt->majortype == MEDIATYPE_Audio )
666 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
667 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
668 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
669 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
670 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
675 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
679 if( p_connected_pin )
681 FreeMediaType( cx_media_type );
682 CopyMediaType( &cx_media_type, pmt );
687 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
689 #ifdef DEBUG_DSHOW_L1
690 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
693 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
695 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
699 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
701 #ifdef DEBUG_DSHOW_L1
702 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
706 STDMETHODIMP CapturePin::EndOfStream( void )
709 msg_Dbg( p_input, "CapturePin::EndOfStream" );
713 STDMETHODIMP CapturePin::BeginFlush( void )
716 msg_Dbg( p_input, "CapturePin::BeginFlush" );
720 STDMETHODIMP CapturePin::EndFlush( void )
723 msg_Dbg( p_input, "CapturePin::EndFlush" );
726 VLCMediaSample vlc_sample;
728 vlc_mutex_lock( &p_sys->lock );
729 while( samples_queue.size() )
731 vlc_sample = samples_queue.back();
732 samples_queue.pop_back();
733 vlc_sample.p_sample->Release();
735 vlc_mutex_unlock( &p_sys->lock );
739 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
740 REFERENCE_TIME tStop,
744 msg_Dbg( p_input, "CapturePin::NewSegment" );
749 /* IMemInputPin methods */
750 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
753 msg_Dbg( p_input, "CapturePin::GetAllocator" );
756 return VFW_E_NO_ALLOCATOR;
758 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
762 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
767 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
770 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
775 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
777 #if 0 //def DEBUG_DSHOW
778 msg_Dbg( p_input, "CapturePin::Receive" );
782 mtime_t i_timestamp = mdate() * 10;
783 VLCMediaSample vlc_sample = {pSample, i_timestamp};
785 vlc_mutex_lock( &p_sys->lock );
786 samples_queue.push_front( vlc_sample );
788 /* Make sure we don't cache too many samples */
789 if( samples_queue.size() > 10 )
791 vlc_sample = samples_queue.back();
792 samples_queue.pop_back();
793 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
794 vlc_sample.p_sample->Release();
797 vlc_cond_signal( &p_sys->wait );
798 vlc_mutex_unlock( &p_sys->lock );
802 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
804 long *nSamplesProcessed )
808 *nSamplesProcessed = 0;
809 while( nSamples-- > 0 )
811 hr = Receive( pSamples[*nSamplesProcessed] );
812 if( hr != S_OK ) break;
813 (*nSamplesProcessed)++;
817 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
820 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
823 return S_FALSE; /* Thou shalt not block */
826 /****************************************************************************
827 * Implementation of our dummy directshow filter class
828 ****************************************************************************/
829 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
830 AM_MEDIA_TYPE *mt, size_t mt_count )
831 : p_input( _p_input ),
832 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
833 state( State_Stopped ), i_ref( 1 )
837 CaptureFilter::~CaptureFilter()
840 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
845 /* IUnknown methods */
846 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
848 #ifdef DEBUG_DSHOW_L1
849 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
852 if( riid == IID_IUnknown )
855 *ppv = (IUnknown *)this;
858 if( riid == IID_IPersist )
861 *ppv = (IPersist *)this;
864 if( riid == IID_IMediaFilter )
867 *ppv = (IMediaFilter *)this;
870 if( riid == IID_IBaseFilter )
873 *ppv = (IBaseFilter *)this;
878 #ifdef DEBUG_DSHOW_L1
879 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
880 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
881 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
882 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
883 (int)riid.Data4[2], (int)riid.Data4[3],
884 (int)riid.Data4[4], (int)riid.Data4[5],
885 (int)riid.Data4[6], (int)riid.Data4[7] );
888 return E_NOINTERFACE;
891 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
893 #ifdef DEBUG_DSHOW_L1
894 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
899 STDMETHODIMP_(ULONG) CaptureFilter::Release()
901 #ifdef DEBUG_DSHOW_L1
902 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
905 if( !InterlockedDecrement(&i_ref) ) delete this;
910 /* IPersist method */
911 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
914 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
919 /* IMediaFilter methods */
920 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
923 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
929 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
932 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
937 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
940 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
946 STDMETHODIMP CaptureFilter::Stop()
949 msg_Dbg( p_input, "CaptureFilter::Stop" );
954 state = State_Stopped;
957 STDMETHODIMP CaptureFilter::Pause()
960 msg_Dbg( p_input, "CaptureFilter::Pause" );
963 state = State_Paused;
966 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
969 msg_Dbg( p_input, "CaptureFilter::Run" );
972 state = State_Running;
976 /* IBaseFilter methods */
977 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
980 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
983 /* Create a new ref counted enumerator */
984 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
985 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
987 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
990 msg_Dbg( p_input, "CaptureFilter::FindPin" );
994 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
997 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
1000 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
1002 pInfo->pGraph = p_graph;
1003 if( p_graph ) p_graph->AddRef();
1007 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
1011 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
1018 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
1021 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
1026 /* Custom methods */
1027 CapturePin *CaptureFilter::CustomGetPin()
1032 /****************************************************************************
1033 * Implementation of our dummy directshow enumpins class
1034 ****************************************************************************/
1036 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1037 CaptureFilter *_p_filter,
1038 CaptureEnumPins *pEnumPins )
1039 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1041 /* Hold a reference count on our filter */
1044 /* Are we creating a new enumerator */
1046 if( pEnumPins == NULL )
1052 i_position = pEnumPins->i_position;
1056 CaptureEnumPins::~CaptureEnumPins()
1058 #ifdef DEBUG_DSHOW_L1
1059 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1061 p_filter->Release();
1064 /* IUnknown methods */
1065 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1067 #ifdef DEBUG_DSHOW_L1
1068 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1071 if( riid == IID_IUnknown ||
1072 riid == IID_IEnumPins )
1075 *ppv = (IEnumPins *)this;
1081 return E_NOINTERFACE;
1084 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1086 #ifdef DEBUG_DSHOW_L1
1087 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1092 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1094 #ifdef DEBUG_DSHOW_L1
1095 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1098 if( !InterlockedDecrement(&i_ref) ) delete this;
1104 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1107 #ifdef DEBUG_DSHOW_L1
1108 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1111 unsigned int i_fetched = 0;
1113 if( i_position < 1 && cPins > 0 )
1115 IPin *pPin = p_filter->CustomGetPin();
1122 if( pcFetched ) *pcFetched = i_fetched;
1124 return (i_fetched == cPins) ? S_OK : S_FALSE;
1126 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1128 #ifdef DEBUG_DSHOW_L1
1129 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1132 i_position += cPins;
1134 if( i_position > 1 )
1141 STDMETHODIMP CaptureEnumPins::Reset()
1143 #ifdef DEBUG_DSHOW_L1
1144 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1150 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1152 #ifdef DEBUG_DSHOW_L1
1153 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1156 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1157 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1162 /****************************************************************************
1163 * Implementation of our dummy directshow enummediatypes class
1164 ****************************************************************************/
1165 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1166 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1167 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1169 /* Hold a reference count on our filter */
1172 /* Are we creating a new enumerator */
1173 if( pEnumMediaTypes == NULL )
1175 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1180 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1181 i_position = pEnumMediaTypes->i_position;
1185 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1187 #ifdef DEBUG_DSHOW_L1
1188 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1190 FreeMediaType(cx_media_type);
1194 /* IUnknown methods */
1195 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1197 #ifdef DEBUG_DSHOW_L1
1198 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1201 if( riid == IID_IUnknown ||
1202 riid == IID_IEnumMediaTypes )
1205 *ppv = (IEnumMediaTypes *)this;
1211 return E_NOINTERFACE;
1214 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1216 #ifdef DEBUG_DSHOW_L1
1217 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1222 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1224 #ifdef DEBUG_DSHOW_L1
1225 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1228 if( !InterlockedDecrement(&i_ref) ) delete this;
1233 /* IEnumMediaTypes */
1234 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1235 AM_MEDIA_TYPE ** ppMediaTypes,
1238 #ifdef DEBUG_DSHOW_L1
1239 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1243 ULONG max = p_pin->media_type_count;
1245 if( ! ppMediaTypes )
1248 if( (! pcFetched) && (cMediaTypes > 1) )
1252 ** use connection media type as first entry in iterator if it exists
1255 if( cx_media_type.subtype != GUID_NULL )
1258 if( i_position == 0 )
1260 ppMediaTypes[copied] =
1261 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1262 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1263 return E_OUTOFMEMORY;
1269 while( (copied < cMediaTypes) && (i_position < max) )
1271 ppMediaTypes[copied] =
1272 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1273 if( CopyMediaType( ppMediaTypes[copied],
1274 &p_pin->media_types[i_position-offset]) != S_OK )
1275 return E_OUTOFMEMORY;
1281 if( pcFetched ) *pcFetched = copied;
1283 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1285 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1287 ULONG max = p_pin->media_type_count;
1288 if( cx_media_type.subtype != GUID_NULL )
1292 #ifdef DEBUG_DSHOW_L1
1293 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1296 i_position += cMediaTypes;
1297 return (i_position < max) ? S_OK : S_FALSE;
1299 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1301 #ifdef DEBUG_DSHOW_L1
1302 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1305 FreeMediaType(cx_media_type);
1306 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1310 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1312 #ifdef DEBUG_DSHOW_L1
1313 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1316 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1317 if( *ppEnum == NULL ) return E_OUTOFMEMORY;