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>
33 #include <vlc_fourcc.h>
36 /* Work-around a bug in w32api-2.5 */
37 # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
45 #define FILTER_NAME L"VideoLAN Capture Filter"
46 #define PIN_NAME L"Capture"
48 /*****************************************************************************
50 * Easier to define them here as mingw doesn't provide them all.
51 *****************************************************************************/
52 const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
53 const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
54 const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
55 //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
56 extern const GUID IID_IPropertyBag;
57 const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
58 const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
59 const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
60 const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
62 //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
63 extern const GUID IID_IUnknown;
64 //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
65 extern const GUID IID_IPersist;
66 const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
67 const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
68 const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
69 const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
70 extern const GUID IID_IMemInputPin;
72 const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
73 const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
75 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
77 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
78 extern const GUID IID_ISpecifyPropertyPages;
80 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
82 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
84 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
86 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
88 const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
89 const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
90 const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
91 const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
93 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
97 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
99 * MEDIATYPEs and MEDIASUBTYPEs
101 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
102 const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
103 const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
104 const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
106 /* Packed RGB formats */
107 const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
108 const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
109 const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
110 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
111 const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
112 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
113 const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
114 const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
116 /* Packed YUV formats */
117 const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
118 const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
119 const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
120 const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
121 const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
122 const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
123 const GUID MEDIASUBTYPE_HDYC = {0x43594448, 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 MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
152 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
155 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
157 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
159 const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
160 const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
161 const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
162 const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
163 const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
164 const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
165 const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
166 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
167 const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
168 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
169 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
170 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
171 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
172 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
173 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
174 const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
176 const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
177 const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
178 const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
179 const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
181 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
182 extern const GUID GUID_NULL;
184 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
186 if( mt.cbFormat != 0 )
188 CoTaskMemFree( (PVOID)mt.pbFormat );
192 if( mt.pUnk != NULL )
199 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
200 const AM_MEDIA_TYPE *pmtSource )
202 *pmtTarget = *pmtSource;
204 if( !pmtSource || !pmtTarget ) return S_FALSE;
206 if( pmtSource->cbFormat && pmtSource->pbFormat )
208 pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
209 if( pmtTarget->pbFormat == NULL )
211 pmtTarget->cbFormat = 0;
212 return E_OUTOFMEMORY;
216 CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
217 pmtTarget->cbFormat );
220 if( pmtTarget->pUnk != NULL )
222 pmtTarget->pUnk->AddRef();
228 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
232 if( media_type.majortype == MEDIATYPE_Video )
234 /* currently only support this type of video info format */
235 if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
237 /* Packed RGB formats */
238 if( media_type.subtype == MEDIASUBTYPE_RGB1 )
239 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
240 else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
241 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
242 else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
243 i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
244 else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
245 i_fourcc = VLC_CODEC_RGB15;
246 else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
247 i_fourcc = VLC_CODEC_RGB16;
248 else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
249 i_fourcc = VLC_CODEC_RGB24;
250 else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
251 i_fourcc = VLC_CODEC_RGB32;
252 else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
253 i_fourcc = VLC_CODEC_RGBA;
255 /* Planar YUV formats */
256 else if( media_type.subtype == MEDIASUBTYPE_I420 )
257 i_fourcc = VLC_CODEC_I420;
258 else if( media_type.subtype == MEDIASUBTYPE_Y41P )
259 i_fourcc = VLC_CODEC_I411;
260 else if( media_type.subtype == MEDIASUBTYPE_YV12 )
261 i_fourcc = VLC_CODEC_YV12;
262 else if( media_type.subtype == MEDIASUBTYPE_IYUV )
263 i_fourcc = VLC_CODEC_YV12;
264 else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
265 i_fourcc = VLC_CODEC_I410;
267 /* Packed YUV formats */
268 else if( media_type.subtype == MEDIASUBTYPE_YVYU )
269 i_fourcc = VLC_CODEC_YVYU;
270 else if( media_type.subtype == MEDIASUBTYPE_YUYV )
271 i_fourcc = VLC_CODEC_YUYV;
272 else if( media_type.subtype == MEDIASUBTYPE_Y411 )
273 i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
274 else if( media_type.subtype == MEDIASUBTYPE_Y211 )
275 i_fourcc = VLC_CODEC_Y211;
276 else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
277 i_fourcc = VLC_CODEC_YUYV;
278 else if( media_type.subtype == MEDIASUBTYPE_UYVY )
279 i_fourcc = VLC_CODEC_UYVY;
280 /* HDYC uses UYVY sample positions but Rec709 colourimetry */
281 /* FIXME: When VLC understands colourspace, something will need
282 * to be added / changed here. Until then, just make it behave
284 else if( media_type.subtype == MEDIASUBTYPE_HDYC )
285 i_fourcc = VLC_CODEC_UYVY;
287 /* MPEG2 video elementary stream */
288 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
289 i_fourcc = VLC_CODEC_MPGV;
292 else if( media_type.subtype == MEDIASUBTYPE_DIVX )
293 i_fourcc = VLC_CODEC_MP4V;
296 else if( media_type.subtype == MEDIASUBTYPE_dvsl )
297 i_fourcc = VLC_CODEC_DV;
298 else if( media_type.subtype == MEDIASUBTYPE_dvsd )
299 i_fourcc = VLC_CODEC_DV;
300 else if( media_type.subtype == MEDIASUBTYPE_dvhd )
301 i_fourcc = VLC_CODEC_DV;
304 else if( media_type.subtype == MEDIASUBTYPE_MJPG )
305 i_fourcc = VLC_CODEC_MJPG;
309 else if( media_type.majortype == MEDIATYPE_Audio )
311 /* currently only support this type of audio info format */
312 if( media_type.formattype == FORMAT_WaveFormatEx )
314 if( media_type.subtype == MEDIASUBTYPE_PCM )
315 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
316 else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
317 i_fourcc = VLC_CODEC_FL32;
320 else if( media_type.majortype == MEDIATYPE_Stream )
322 if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
323 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
324 else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
325 i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
331 /****************************************************************************
332 * Implementation of our dummy directshow filter pin class
333 ****************************************************************************/
335 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
336 CaptureFilter *_p_filter,
337 AM_MEDIA_TYPE *mt, size_t mt_count )
338 : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
339 p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
342 cx_media_type.majortype = mt[0].majortype;
343 cx_media_type.subtype = GUID_NULL;
344 cx_media_type.pbFormat = NULL;
345 cx_media_type.cbFormat = 0;
346 cx_media_type.pUnk = NULL;
349 CapturePin::~CapturePin()
352 msg_Dbg( p_input, "CapturePin::~CapturePin" );
354 for( size_t c=0; c<media_type_count; c++ )
356 FreeMediaType(media_types[c]);
358 FreeMediaType(cx_media_type);
362 * Returns the complete queue of samples that have been received so far.
363 * Lock the p_sys->lock before calling this function.
364 * @param samples_queue [out] Empty queue that will get all elements from
366 * @return S_OK if a sample was available, S_FALSE if no sample was
369 HRESULT CapturePin::CustomGetSamples( deque<VLCMediaSample> &external_queue )
371 #if 0 //def DEBUG_DSHOW
372 msg_Dbg( p_input, "CapturePin::CustomGetSamples: %d samples in the queue", samples_queue.size());
375 if( !samples_queue.empty() )
377 external_queue.swap(samples_queue);
384 * Returns a sample from its sample queue. Proper locking must be done prior
385 * to this call. Current dshow code protects the access to any sample queue
386 * (audio and video) with the p_sys->lock
387 * @param vlc_sample [out] Address of a sample if sucessfull. Undefined
389 * @return S_OK if a sample was available, S_FALSE if no sample was
392 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
394 #if 0 //def DEBUG_DSHOW
395 msg_Dbg( p_input, "CapturePin::CustomGetSample" );
398 if( samples_queue.size() )
400 *vlc_sample = samples_queue.back();
401 samples_queue.pop_back();
407 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
409 return cx_media_type;
412 /* IUnknown methods */
413 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
415 #ifdef DEBUG_DSHOW_L1
416 msg_Dbg( p_input, "CapturePin::QueryInterface" );
419 if( riid == IID_IUnknown ||
426 if( riid == IID_IMemInputPin )
429 *ppv = (IMemInputPin *)this;
434 #ifdef DEBUG_DSHOW_L1
435 msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
436 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
437 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
438 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
439 (int)riid.Data4[2], (int)riid.Data4[3],
440 (int)riid.Data4[4], (int)riid.Data4[5],
441 (int)riid.Data4[6], (int)riid.Data4[7] );
444 return E_NOINTERFACE;
448 STDMETHODIMP_(ULONG) CapturePin::AddRef()
450 #ifdef DEBUG_DSHOW_L1
451 msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
456 STDMETHODIMP_(ULONG) CapturePin::Release()
458 #ifdef DEBUG_DSHOW_L1
459 msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
462 if( !InterlockedDecrement(&i_ref) ) delete this;
468 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
469 const AM_MEDIA_TYPE *pmt )
471 if( State_Running == p_filter->state )
473 msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
474 return VFW_E_NOT_STOPPED;
477 if( p_connected_pin )
479 msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
480 return VFW_E_ALREADY_CONNECTED;
483 if( !pmt ) return S_OK;
485 if( GUID_NULL != pmt->majortype &&
486 media_types[0].majortype != pmt->majortype )
488 msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
492 if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
494 msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
499 if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
501 if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
502 !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
504 msg_Dbg( p_input, "CapturePin::Connect "
505 "[video width/height == 0 ]" );
510 msg_Dbg( p_input, "CapturePin::Connect [OK]" );
513 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
514 const AM_MEDIA_TYPE *pmt )
516 if( State_Stopped != p_filter->state )
518 msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
519 return VFW_E_NOT_STOPPED;
522 if( !pConnector || !pmt )
524 msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
528 if( p_connected_pin )
530 msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
531 return VFW_E_ALREADY_CONNECTED;
534 if( S_OK != QueryAccept(pmt) )
536 msg_Dbg( p_input, "CapturePin::ReceiveConnection "
537 "[media type not accepted]" );
538 return VFW_E_TYPE_NOT_ACCEPTED;
541 msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
543 p_connected_pin = pConnector;
544 p_connected_pin->AddRef();
546 FreeMediaType( cx_media_type );
547 return CopyMediaType( &cx_media_type, pmt );
549 STDMETHODIMP CapturePin::Disconnect()
551 if( ! p_connected_pin )
553 msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
557 msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
559 /* samples_queue was already flushed in EndFlush() */
561 p_connected_pin->Release();
562 p_connected_pin = NULL;
563 //FreeMediaType( cx_media_type );
564 //cx_media_type.subtype = GUID_NULL;
568 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
570 if( !p_connected_pin )
572 msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
573 return VFW_E_NOT_CONNECTED;
576 p_connected_pin->AddRef();
577 *pPin = p_connected_pin;
579 msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
583 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
585 if( !p_connected_pin )
587 msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
588 return VFW_E_NOT_CONNECTED;
591 return CopyMediaType( pmt, &cx_media_type );
593 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
596 msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
599 pInfo->pFilter = p_filter;
600 if( p_filter ) p_filter->AddRef();
602 memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
603 pInfo->dir = PINDIR_INPUT;
607 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
610 msg_Dbg( p_input, "CapturePin::QueryDirection" );
613 *pPinDir = PINDIR_INPUT;
616 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
619 msg_Dbg( p_input, "CapturePin::QueryId" );
622 *Id = L"VideoLAN Capture Pin";
626 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
628 if( State_Stopped != p_filter->state )
630 msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
634 if( media_types[0].majortype != pmt->majortype )
636 msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
640 int i_fourcc = GetFourCCFromMediaType(*pmt);
643 msg_Dbg( p_input, "CapturePin::QueryAccept "
644 "[media type not supported]" );
648 if( pmt->majortype == MEDIATYPE_Video )
651 ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
652 (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
654 msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
658 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
659 "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
660 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
661 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
663 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
665 else if( pmt->majortype == MEDIATYPE_Audio )
667 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
668 "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
669 ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
670 ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
671 ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
676 msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
680 if( p_connected_pin )
682 FreeMediaType( cx_media_type );
683 CopyMediaType( &cx_media_type, pmt );
688 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
690 #ifdef DEBUG_DSHOW_L1
691 msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
694 *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
696 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
700 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
702 #ifdef DEBUG_DSHOW_L1
703 msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
707 STDMETHODIMP CapturePin::EndOfStream( void )
710 msg_Dbg( p_input, "CapturePin::EndOfStream" );
714 STDMETHODIMP CapturePin::BeginFlush( void )
717 msg_Dbg( p_input, "CapturePin::BeginFlush" );
721 STDMETHODIMP CapturePin::EndFlush( void )
724 msg_Dbg( p_input, "CapturePin::EndFlush" );
727 VLCMediaSample vlc_sample;
729 vlc_mutex_lock( &p_sys->lock );
730 while( samples_queue.size() )
732 vlc_sample = samples_queue.back();
733 samples_queue.pop_back();
734 vlc_sample.p_sample->Release();
736 vlc_mutex_unlock( &p_sys->lock );
740 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
741 REFERENCE_TIME tStop,
745 msg_Dbg( p_input, "CapturePin::NewSegment" );
750 /* IMemInputPin methods */
751 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
754 msg_Dbg( p_input, "CapturePin::GetAllocator" );
757 return VFW_E_NO_ALLOCATOR;
759 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
763 msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
768 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
771 msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
776 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
778 #if 0 //def DEBUG_DSHOW
779 msg_Dbg( p_input, "CapturePin::Receive" );
783 mtime_t i_timestamp = mdate() * 10;
784 VLCMediaSample vlc_sample = {pSample, i_timestamp};
786 vlc_mutex_lock( &p_sys->lock );
787 samples_queue.push_front( vlc_sample );
789 /* Make sure we don't cache too many samples */
790 if( samples_queue.size() > 10 )
792 vlc_sample = samples_queue.back();
793 samples_queue.pop_back();
794 msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
795 vlc_sample.p_sample->Release();
798 vlc_cond_signal( &p_sys->wait );
799 vlc_mutex_unlock( &p_sys->lock );
803 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
805 long *nSamplesProcessed )
809 *nSamplesProcessed = 0;
810 while( nSamples-- > 0 )
812 hr = Receive( pSamples[*nSamplesProcessed] );
813 if( hr != S_OK ) break;
814 (*nSamplesProcessed)++;
818 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
821 msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
824 return S_FALSE; /* Thou shalt not block */
827 /****************************************************************************
828 * Implementation of our dummy directshow filter class
829 ****************************************************************************/
830 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
831 AM_MEDIA_TYPE *mt, size_t mt_count )
832 : p_input( _p_input ),
833 p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
834 state( State_Stopped ), i_ref( 1 )
838 CaptureFilter::~CaptureFilter()
841 msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
846 /* IUnknown methods */
847 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
849 #ifdef DEBUG_DSHOW_L1
850 msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
853 if( riid == IID_IUnknown )
856 *ppv = (IUnknown *)this;
859 if( riid == IID_IPersist )
862 *ppv = (IPersist *)this;
865 if( riid == IID_IMediaFilter )
868 *ppv = (IMediaFilter *)this;
871 if( riid == IID_IBaseFilter )
874 *ppv = (IBaseFilter *)this;
879 #ifdef DEBUG_DSHOW_L1
880 msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
881 "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
882 (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
883 static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
884 (int)riid.Data4[2], (int)riid.Data4[3],
885 (int)riid.Data4[4], (int)riid.Data4[5],
886 (int)riid.Data4[6], (int)riid.Data4[7] );
889 return E_NOINTERFACE;
892 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
894 #ifdef DEBUG_DSHOW_L1
895 msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
900 STDMETHODIMP_(ULONG) CaptureFilter::Release()
902 #ifdef DEBUG_DSHOW_L1
903 msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
906 if( !InterlockedDecrement(&i_ref) ) delete this;
911 /* IPersist method */
912 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
915 msg_Dbg( p_input, "CaptureFilter::GetClassID" );
920 /* IMediaFilter methods */
921 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
924 msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
930 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
933 msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
938 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
941 msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
947 STDMETHODIMP CaptureFilter::Stop()
950 msg_Dbg( p_input, "CaptureFilter::Stop" );
955 state = State_Stopped;
958 STDMETHODIMP CaptureFilter::Pause()
961 msg_Dbg( p_input, "CaptureFilter::Pause" );
964 state = State_Paused;
967 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
970 msg_Dbg( p_input, "CaptureFilter::Run" );
973 state = State_Running;
977 /* IBaseFilter methods */
978 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
981 msg_Dbg( p_input, "CaptureFilter::EnumPins" );
984 /* Create a new ref counted enumerator */
985 *ppEnum = new CaptureEnumPins( p_input, this, NULL );
986 return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
988 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
991 msg_Dbg( p_input, "CaptureFilter::FindPin" );
995 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
998 msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
1001 memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
1003 pInfo->pGraph = p_graph;
1004 if( p_graph ) p_graph->AddRef();
1008 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
1012 msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
1019 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
1022 msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
1027 /* Custom methods */
1028 CapturePin *CaptureFilter::CustomGetPin()
1033 /****************************************************************************
1034 * Implementation of our dummy directshow enumpins class
1035 ****************************************************************************/
1037 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1038 CaptureFilter *_p_filter,
1039 CaptureEnumPins *pEnumPins )
1040 : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1042 /* Hold a reference count on our filter */
1045 /* Are we creating a new enumerator */
1047 if( pEnumPins == NULL )
1053 i_position = pEnumPins->i_position;
1057 CaptureEnumPins::~CaptureEnumPins()
1059 #ifdef DEBUG_DSHOW_L1
1060 msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1062 p_filter->Release();
1065 /* IUnknown methods */
1066 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1068 #ifdef DEBUG_DSHOW_L1
1069 msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1072 if( riid == IID_IUnknown ||
1073 riid == IID_IEnumPins )
1076 *ppv = (IEnumPins *)this;
1082 return E_NOINTERFACE;
1085 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1087 #ifdef DEBUG_DSHOW_L1
1088 msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1093 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1095 #ifdef DEBUG_DSHOW_L1
1096 msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1099 if( !InterlockedDecrement(&i_ref) ) delete this;
1105 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1108 #ifdef DEBUG_DSHOW_L1
1109 msg_Dbg( p_input, "CaptureEnumPins::Next" );
1112 unsigned int i_fetched = 0;
1114 if( i_position < 1 && cPins > 0 )
1116 IPin *pPin = p_filter->CustomGetPin();
1123 if( pcFetched ) *pcFetched = i_fetched;
1125 return (i_fetched == cPins) ? S_OK : S_FALSE;
1127 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1129 #ifdef DEBUG_DSHOW_L1
1130 msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1133 i_position += cPins;
1135 if( i_position > 1 )
1142 STDMETHODIMP CaptureEnumPins::Reset()
1144 #ifdef DEBUG_DSHOW_L1
1145 msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1151 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1153 #ifdef DEBUG_DSHOW_L1
1154 msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1157 *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1158 if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1163 /****************************************************************************
1164 * Implementation of our dummy directshow enummediatypes class
1165 ****************************************************************************/
1166 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1167 CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1168 : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1170 /* Hold a reference count on our filter */
1173 /* Are we creating a new enumerator */
1174 if( pEnumMediaTypes == NULL )
1176 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1181 CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1182 i_position = pEnumMediaTypes->i_position;
1186 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1188 #ifdef DEBUG_DSHOW_L1
1189 msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1191 FreeMediaType(cx_media_type);
1195 /* IUnknown methods */
1196 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1198 #ifdef DEBUG_DSHOW_L1
1199 msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1202 if( riid == IID_IUnknown ||
1203 riid == IID_IEnumMediaTypes )
1206 *ppv = (IEnumMediaTypes *)this;
1212 return E_NOINTERFACE;
1215 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1217 #ifdef DEBUG_DSHOW_L1
1218 msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1223 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1225 #ifdef DEBUG_DSHOW_L1
1226 msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1229 if( !InterlockedDecrement(&i_ref) ) delete this;
1234 /* IEnumMediaTypes */
1235 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1236 AM_MEDIA_TYPE ** ppMediaTypes,
1239 #ifdef DEBUG_DSHOW_L1
1240 msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1244 ULONG max = p_pin->media_type_count;
1246 if( ! ppMediaTypes )
1249 if( (! pcFetched) && (cMediaTypes > 1) )
1253 ** use connection media type as first entry in iterator if it exists
1256 if( cx_media_type.subtype != GUID_NULL )
1259 if( i_position == 0 )
1261 ppMediaTypes[copied] =
1262 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1263 if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1264 return E_OUTOFMEMORY;
1270 while( (copied < cMediaTypes) && (i_position < max) )
1272 ppMediaTypes[copied] =
1273 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1274 if( CopyMediaType( ppMediaTypes[copied],
1275 &p_pin->media_types[i_position-offset]) != S_OK )
1276 return E_OUTOFMEMORY;
1282 if( pcFetched ) *pcFetched = copied;
1284 return (copied == cMediaTypes) ? S_OK : S_FALSE;
1286 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1288 ULONG max = p_pin->media_type_count;
1289 if( cx_media_type.subtype != GUID_NULL )
1293 #ifdef DEBUG_DSHOW_L1
1294 msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1297 i_position += cMediaTypes;
1298 return (i_position < max) ? S_OK : S_FALSE;
1300 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1302 #ifdef DEBUG_DSHOW_L1
1303 msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1306 FreeMediaType(cx_media_type);
1307 CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1311 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1313 #ifdef DEBUG_DSHOW_L1
1314 msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1317 *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1318 if( *ppEnum == NULL ) return E_OUTOFMEMORY;