modules/access/dshow/filter.cpp

   1 /*****************************************************************************
   2  * filter.c : DirectShow access module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Author: Gildas Bazin <gbazin@videolan.org>
   8  *
   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.
  13  *
  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.
  18  *
  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  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_vout.h>
  34
  35 #ifndef _MSC_VER
  36     /* Work-around a bug in w32api-2.5 */
  37 #   define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
  38 #endif
  39
  40 #include "common.h"
  41 #include "filter.h"
  42
  43 #define DEBUG_DSHOW 1
  44
  45 #define FILTER_NAME  L"VideoLAN Capture Filter"
  46 #define PIN_NAME     L"Capture"
  47
  48 /*****************************************************************************
  49  * DirectShow GUIDs.
  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}};
  61
  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;
  71
  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}};
  74
  75 const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
  76
  77 //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
  78 extern const GUID IID_ISpecifyPropertyPages;
  79
  80 const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
  81
  82 const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
  83
  84 const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
  85
  86 const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
  87
  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}};
  92
  93 const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
  94
  95 /* Video Format */
  96
  97 const GUID FORMAT_VideoInfo  = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
  98 /*
  99  * MEDIATYPEs and MEDIASUBTYPEs
 100  */
 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}};
 105
 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}};
 115
 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
 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}};
 130
 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}};
 135
 136 /* DV formats */
 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}};
 140
 141 /* MPEG2 formats */
 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}};
 146
 147 /* MJPG format */
 148 const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
 149
 150 /* DivX formats */
 151 const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
 152
 153 /* Analog Video */
 154 const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
 155
 156 const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
 157
 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}};
 174
 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}};
 179
 180 //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
 181 extern const GUID GUID_NULL;
 182
 183 void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
 184 {
 185     if( mt.cbFormat != 0 )
 186     {
 187         CoTaskMemFree( (PVOID)mt.pbFormat );
 188         mt.cbFormat = 0;
 189         mt.pbFormat = NULL;
 190     }
 191     if( mt.pUnk != NULL )
 192     {
 193         mt.pUnk->Release();
 194         mt.pUnk = NULL;
 195     }
 196 }
 197
 198 HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
 199                               const AM_MEDIA_TYPE *pmtSource )
 200 {
 201     *pmtTarget = *pmtSource;
 202
 203     if( !pmtSource || !pmtTarget ) return S_FALSE;
 204
 205     if( pmtSource->cbFormat && pmtSource->pbFormat )
 206     {
 207         pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
 208         if( pmtTarget->pbFormat == NULL )
 209         {
 210             pmtTarget->cbFormat = 0;
 211             return E_OUTOFMEMORY;
 212         }
 213         else
 214         {
 215             CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
 216                         pmtTarget->cbFormat );
 217         }
 218     }
 219     if( pmtTarget->pUnk != NULL )
 220     {
 221         pmtTarget->pUnk->AddRef();
 222     }
 223
 224     return S_OK;
 225 }
 226
 227 int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
 228 {
 229     int i_fourcc = 0;
 230
 231     if( media_type.majortype == MEDIATYPE_Video )
 232     {
 233         /* currently only support this type of video info format */
 234         if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
 235         {
 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_FOURCC( 'R', 'V', '1', '5' );
 245             else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
 246                i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
 247             else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
 248                i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
 249             else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
 250                i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
 251             else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
 252                i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
 253
 254             /* Planar YUV formats */
 255             else if( media_type.subtype == MEDIASUBTYPE_I420 )
 256                i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
 257             else if( media_type.subtype == MEDIASUBTYPE_Y41P )
 258                i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
 259             else if( media_type.subtype == MEDIASUBTYPE_YV12 )
 260                i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
 261             else if( media_type.subtype == MEDIASUBTYPE_IYUV )
 262                i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
 263             else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
 264                i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
 265
 266             /* Packed YUV formats */
 267             else if( media_type.subtype == MEDIASUBTYPE_YVYU )
 268                i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
 269             else if( media_type.subtype == MEDIASUBTYPE_YUYV )
 270                i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
 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_FOURCC( 'Y', '2', '1', '1' );
 275             else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
 276                i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
 277             else if( media_type.subtype == MEDIASUBTYPE_UYVY )
 278                i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
 279
 280             /* MPEG2 video elementary stream */
 281             else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
 282                i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
 283
 284         /* DivX video */
 285             else if( media_type.subtype == MEDIASUBTYPE_DIVX )
 286                i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
 287
 288             /* DV formats */
 289             else if( media_type.subtype == MEDIASUBTYPE_dvsl )
 290                i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
 291             else if( media_type.subtype == MEDIASUBTYPE_dvsd )
 292                i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
 293             else if( media_type.subtype == MEDIASUBTYPE_dvhd )
 294                i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
 295
 296             /* MJPEG format */
 297             else if( media_type.subtype == MEDIASUBTYPE_MJPG )
 298                 i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 299
 300         }
 301     }
 302     else if( media_type.majortype == MEDIATYPE_Audio )
 303     {
 304         /* currently only support this type of audio info format */
 305         if( media_type.formattype == FORMAT_WaveFormatEx )
 306         {
 307             if( media_type.subtype == MEDIASUBTYPE_PCM )
 308                 i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 309             else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
 310                 i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
 311         }
 312     }
 313     else if( media_type.majortype == MEDIATYPE_Stream )
 314     {
 315         if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
 316             i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
 317         else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
 318             i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
 319     }
 320
 321     return i_fourcc;
 322 }
 323
 324 /****************************************************************************
 325  * Implementation of our dummy directshow filter pin class
 326  ****************************************************************************/
 327
 328 CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
 329                         CaptureFilter *_p_filter,
 330                         AM_MEDIA_TYPE *mt, size_t mt_count )
 331   : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
 332     p_connected_pin( NULL ),  media_types(mt), media_type_count(mt_count),
 333     i_ref( 1 )
 334 {
 335     cx_media_type.majortype = mt[0].majortype;
 336     cx_media_type.subtype   = GUID_NULL;
 337     cx_media_type.pbFormat  = NULL;
 338     cx_media_type.cbFormat  = 0;
 339     cx_media_type.pUnk      = NULL;
 340 }
 341
 342 CapturePin::~CapturePin()
 343 {
 344 #ifdef DEBUG_DSHOW
 345     msg_Dbg( p_input, "CapturePin::~CapturePin" );
 346 #endif
 347     for( size_t c=0; c<media_type_count; c++ )
 348     {
 349         FreeMediaType(media_types[c]);
 350     }
 351     FreeMediaType(cx_media_type);
 352 }
 353
 354 /**
 355  * Returns the complete queue of samples that have been received so far.
 356  * Lock the p_sys->lock before calling this function.
 357  * @param samples_queue [out] Empty queue that will get all elements from
 358  * the pin queue.
 359  * @return S_OK if a sample was available, S_FALSE if no sample was
 360  * available
 361  */
 362 HRESULT CapturePin::CustomGetSamples( deque<VLCMediaSample> &external_queue )
 363 {
 364 #if 0 //def DEBUG_DSHOW
 365     msg_Dbg( p_input, "CapturePin::CustomGetSamples: %d samples in the queue", samples_queue.size());
 366 #endif
 367
 368     if( !samples_queue.empty() )
 369     {
 370         external_queue.swap(samples_queue);
 371         return S_OK;
 372     }
 373     return S_FALSE;
 374 }
 375
 376 /**
 377  * Returns a sample from its sample queue. Proper locking must be done prior
 378  * to this call. Current dshow code protects the access to any sample queue
 379  * (audio and video) with the p_sys->lock
 380  * @param vlc_sample [out] Address of a sample if sucessfull. Undefined
 381  * otherwise.
 382  * @return S_OK if a sample was available, S_FALSE if no sample was
 383  * available
 384  */
 385 HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
 386 {
 387 #if 0 //def DEBUG_DSHOW
 388     msg_Dbg( p_input, "CapturePin::CustomGetSample" );
 389 #endif
 390
 391     if( samples_queue.size() )
 392     {
 393         *vlc_sample = samples_queue.back();
 394         samples_queue.pop_back();
 395         return S_OK;
 396     }
 397     return S_FALSE;
 398 }
 399
 400 AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
 401 {
 402     return cx_media_type;
 403 }
 404
 405 /* IUnknown methods */
 406 STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
 407 {
 408 #ifdef DEBUG_DSHOW_L1
 409     msg_Dbg( p_input, "CapturePin::QueryInterface" );
 410 #endif
 411
 412     if( riid == IID_IUnknown ||
 413         riid == IID_IPin )
 414     {
 415         AddRef();
 416         *ppv = (IPin *)this;
 417         return NOERROR;
 418     }
 419     if( riid == IID_IMemInputPin )
 420     {
 421         AddRef();
 422         *ppv = (IMemInputPin *)this;
 423         return NOERROR;
 424     }
 425     else
 426     {
 427 #ifdef DEBUG_DSHOW_L1
 428         msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
 429                  "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
 430                  (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
 431                  static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
 432                  (int)riid.Data4[2], (int)riid.Data4[3],
 433                  (int)riid.Data4[4], (int)riid.Data4[5],
 434                  (int)riid.Data4[6], (int)riid.Data4[7] );
 435 #endif
 436         *ppv = NULL;
 437         return E_NOINTERFACE;
 438     }
 439 }
 440
 441 STDMETHODIMP_(ULONG) CapturePin::AddRef()
 442 {
 443 #ifdef DEBUG_DSHOW_L1
 444     msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
 445 #endif
 446
 447     return i_ref++;
 448 };
 449 STDMETHODIMP_(ULONG) CapturePin::Release()
 450 {
 451 #ifdef DEBUG_DSHOW_L1
 452     msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
 453 #endif
 454
 455     if( !InterlockedDecrement(&i_ref) ) delete this;
 456
 457     return 0;
 458 };
 459
 460 /* IPin methods */
 461 STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
 462                                   const AM_MEDIA_TYPE *pmt )
 463 {
 464     if( State_Running == p_filter->state )
 465     {
 466         msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
 467         return VFW_E_NOT_STOPPED;
 468     }
 469
 470     if( p_connected_pin )
 471     {
 472         msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
 473         return VFW_E_ALREADY_CONNECTED;
 474     }
 475
 476     if( !pmt ) return S_OK;
 477
 478     if( GUID_NULL != pmt->majortype &&
 479         media_types[0].majortype != pmt->majortype )
 480     {
 481         msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
 482         return S_FALSE;
 483     }
 484
 485     if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
 486     {
 487         msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
 488                  "not supported]" );
 489         return S_FALSE;
 490     }
 491
 492     if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video  )
 493     {
 494         if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
 495             !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
 496         {
 497             msg_Dbg( p_input, "CapturePin::Connect "
 498                      "[video width/height == 0 ]" );
 499             return S_FALSE;
 500         }
 501     }
 502
 503     msg_Dbg( p_input, "CapturePin::Connect [OK]" );
 504     return S_OK;
 505 }
 506 STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
 507                                             const AM_MEDIA_TYPE *pmt )
 508 {
 509     if( State_Stopped != p_filter->state )
 510     {
 511         msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
 512         return VFW_E_NOT_STOPPED;
 513     }
 514
 515     if( !pConnector || !pmt )
 516     {
 517         msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
 518         return E_POINTER;
 519     }
 520
 521     if( p_connected_pin )
 522     {
 523         msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
 524         return VFW_E_ALREADY_CONNECTED;
 525     }
 526
 527     if( S_OK != QueryAccept(pmt) )
 528     {
 529         msg_Dbg( p_input, "CapturePin::ReceiveConnection "
 530                  "[media type not accepted]" );
 531         return VFW_E_TYPE_NOT_ACCEPTED;
 532     }
 533
 534     msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
 535
 536     p_connected_pin = pConnector;
 537     p_connected_pin->AddRef();
 538
 539     FreeMediaType( cx_media_type );
 540     return CopyMediaType( &cx_media_type, pmt );
 541 }
 542 STDMETHODIMP CapturePin::Disconnect()
 543 {
 544     if( ! p_connected_pin )
 545     {
 546         msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
 547         return S_FALSE;
 548     }
 549
 550     msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
 551
 552     /* samples_queue was already flushed in EndFlush() */
 553
 554     p_connected_pin->Release();
 555     p_connected_pin = NULL;
 556     //FreeMediaType( cx_media_type );
 557     //cx_media_type.subtype = GUID_NULL;
 558
 559     return S_OK;
 560 }
 561 STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
 562 {
 563     if( !p_connected_pin )
 564     {
 565         msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
 566         return VFW_E_NOT_CONNECTED;
 567     }
 568
 569     p_connected_pin->AddRef();
 570     *pPin = p_connected_pin;
 571
 572     msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
 573
 574     return S_OK;
 575 }
 576 STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
 577 {
 578     if( !p_connected_pin )
 579     {
 580         msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
 581         return VFW_E_NOT_CONNECTED;
 582     }
 583
 584     return CopyMediaType( pmt, &cx_media_type );
 585 }
 586 STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
 587 {
 588 #ifdef DEBUG_DSHOW
 589     msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
 590 #endif
 591
 592     pInfo->pFilter = p_filter;
 593     if( p_filter ) p_filter->AddRef();
 594
 595     memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
 596     pInfo->dir = PINDIR_INPUT;
 597
 598     return NOERROR;
 599 }
 600 STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
 601 {
 602 #ifdef DEBUG_DSHOW
 603     msg_Dbg( p_input, "CapturePin::QueryDirection" );
 604 #endif
 605
 606     *pPinDir = PINDIR_INPUT;
 607     return NOERROR;
 608 }
 609 STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
 610 {
 611 #ifdef DEBUG_DSHOW
 612     msg_Dbg( p_input, "CapturePin::QueryId" );
 613 #endif
 614
 615     *Id = L"VideoLAN Capture Pin";
 616
 617     return S_OK;
 618 }
 619 STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
 620 {
 621     if( State_Stopped != p_filter->state )
 622     {
 623         msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
 624         return S_FALSE;
 625     }
 626
 627     if( media_types[0].majortype != pmt->majortype )
 628     {
 629         msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
 630         return S_FALSE;
 631     }
 632
 633     int i_fourcc = GetFourCCFromMediaType(*pmt);
 634     if( !i_fourcc )
 635     {
 636         msg_Dbg( p_input, "CapturePin::QueryAccept "
 637                  "[media type not supported]" );
 638         return S_FALSE;
 639     }
 640
 641     if( pmt->majortype == MEDIATYPE_Video )
 642     {
 643         if( pmt->pbFormat &&
 644             ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
 645               (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
 646         {
 647             msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
 648             return S_FALSE;
 649         }
 650
 651         msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
 652                  "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
 653                  ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
 654                  ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
 655                  (char *)&i_fourcc,
 656          10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
 657     }
 658     else if( pmt->majortype == MEDIATYPE_Audio )
 659     {
 660         msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
 661                  "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
 662                  ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
 663                  ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
 664                  ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
 665                  (char *)&i_fourcc );
 666     }
 667     else
 668     {
 669         msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
 670                  (char *)&i_fourcc );
 671     }
 672
 673     if( p_connected_pin )
 674     {
 675         FreeMediaType( cx_media_type );
 676         CopyMediaType( &cx_media_type, pmt );
 677     }
 678
 679     return S_OK;
 680 }
 681 STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
 682 {
 683 #ifdef DEBUG_DSHOW_L1
 684     msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
 685 #endif
 686
 687     *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
 688
 689     if( *ppEnum == NULL ) return E_OUTOFMEMORY;
 690
 691     return NOERROR;
 692 }
 693 STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
 694 {
 695 #ifdef DEBUG_DSHOW_L1
 696     msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
 697 #endif
 698     return E_NOTIMPL;
 699 }
 700 STDMETHODIMP CapturePin::EndOfStream( void )
 701 {
 702 #ifdef DEBUG_DSHOW
 703     msg_Dbg( p_input, "CapturePin::EndOfStream" );
 704 #endif
 705     return S_OK;
 706 }
 707 STDMETHODIMP CapturePin::BeginFlush( void )
 708 {
 709 #ifdef DEBUG_DSHOW
 710     msg_Dbg( p_input, "CapturePin::BeginFlush" );
 711 #endif
 712     return S_OK;
 713 }
 714 STDMETHODIMP CapturePin::EndFlush( void )
 715 {
 716 #ifdef DEBUG_DSHOW
 717     msg_Dbg( p_input, "CapturePin::EndFlush" );
 718 #endif
 719
 720     VLCMediaSample vlc_sample;
 721
 722     vlc_mutex_lock( &p_sys->lock );
 723     while( samples_queue.size() )
 724     {
 725         vlc_sample = samples_queue.back();
 726         samples_queue.pop_back();
 727         vlc_sample.p_sample->Release();
 728     }
 729     vlc_mutex_unlock( &p_sys->lock );
 730
 731     return S_OK;
 732 }
 733 STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
 734                                      REFERENCE_TIME tStop,
 735                                      double dRate )
 736 {
 737 #ifdef DEBUG_DSHOW
 738     msg_Dbg( p_input, "CapturePin::NewSegment" );
 739 #endif
 740     return S_OK;
 741 }
 742
 743 /* IMemInputPin methods */
 744 STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
 745 {
 746 #ifdef DEBUG_DSHOW
 747     msg_Dbg( p_input, "CapturePin::GetAllocator" );
 748 #endif
 749
 750     return VFW_E_NO_ALLOCATOR;
 751 }
 752 STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
 753                                           BOOL bReadOnly )
 754 {
 755 #ifdef DEBUG_DSHOW
 756     msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
 757 #endif
 758
 759     return S_OK;
 760 }
 761 STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
 762 {
 763 #ifdef DEBUG_DSHOW
 764     msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
 765 #endif
 766
 767     return E_NOTIMPL;
 768 }
 769 STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
 770 {
 771 #if 0 //def DEBUG_DSHOW
 772     msg_Dbg( p_input, "CapturePin::Receive" );
 773 #endif
 774
 775     pSample->AddRef();
 776     mtime_t i_timestamp = mdate() * 10;
 777     VLCMediaSample vlc_sample = {pSample, i_timestamp};
 778
 779     vlc_mutex_lock( &p_sys->lock );
 780     samples_queue.push_front( vlc_sample );
 781
 782     /* Make sure we don't cache too many samples */
 783     if( samples_queue.size() > 10 )
 784     {
 785         vlc_sample = samples_queue.back();
 786         samples_queue.pop_back();
 787         msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
 788         vlc_sample.p_sample->Release();
 789     }
 790
 791     vlc_cond_signal( &p_sys->wait );
 792     vlc_mutex_unlock( &p_sys->lock );
 793
 794     return S_OK;
 795 }
 796 STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
 797                                           long nSamples,
 798                                           long *nSamplesProcessed )
 799 {
 800     HRESULT hr = S_OK;
 801
 802     *nSamplesProcessed = 0;
 803     while( nSamples-- > 0 )
 804     {
 805          hr = Receive( pSamples[*nSamplesProcessed] );
 806          if( hr != S_OK ) break;
 807          (*nSamplesProcessed)++;
 808     }
 809     return hr;
 810 }
 811 STDMETHODIMP CapturePin::ReceiveCanBlock( void )
 812 {
 813 #ifdef DEBUG_DSHOW
 814     msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
 815 #endif
 816
 817     return S_FALSE; /* Thou shalt not block */
 818 }
 819
 820 /****************************************************************************
 821  * Implementation of our dummy directshow filter class
 822  ****************************************************************************/
 823 CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
 824                               AM_MEDIA_TYPE *mt, size_t mt_count )
 825   : p_input( _p_input ),
 826     p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
 827     state( State_Stopped ), i_ref( 1 )
 828 {
 829 }
 830
 831 CaptureFilter::~CaptureFilter()
 832 {
 833 #ifdef DEBUG_DSHOW
 834     msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
 835 #endif
 836     p_pin->Release();
 837 }
 838
 839 /* IUnknown methods */
 840 STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
 841 {
 842 #ifdef DEBUG_DSHOW_L1
 843     msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
 844 #endif
 845
 846     if( riid == IID_IUnknown )
 847     {
 848         AddRef();
 849         *ppv = (IUnknown *)this;
 850         return NOERROR;
 851     }
 852     if( riid == IID_IPersist )
 853     {
 854         AddRef();
 855         *ppv = (IPersist *)this;
 856         return NOERROR;
 857     }
 858     if( riid == IID_IMediaFilter )
 859     {
 860         AddRef();
 861         *ppv = (IMediaFilter *)this;
 862         return NOERROR;
 863     }
 864     if( riid == IID_IBaseFilter )
 865     {
 866         AddRef();
 867         *ppv = (IBaseFilter *)this;
 868         return NOERROR;
 869     }
 870     else
 871     {
 872 #ifdef DEBUG_DSHOW_L1
 873         msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
 874                  "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
 875                  (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
 876                  static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
 877                  (int)riid.Data4[2], (int)riid.Data4[3],
 878                  (int)riid.Data4[4], (int)riid.Data4[5],
 879                  (int)riid.Data4[6], (int)riid.Data4[7] );
 880 #endif
 881         *ppv = NULL;
 882         return E_NOINTERFACE;
 883     }
 884 };
 885 STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
 886 {
 887 #ifdef DEBUG_DSHOW_L1
 888     msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
 889 #endif
 890
 891     return i_ref++;
 892 };
 893 STDMETHODIMP_(ULONG) CaptureFilter::Release()
 894 {
 895 #ifdef DEBUG_DSHOW_L1
 896     msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
 897 #endif
 898
 899     if( !InterlockedDecrement(&i_ref) ) delete this;
 900
 901     return 0;
 902 };
 903
 904 /* IPersist method */
 905 STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
 906 {
 907 #ifdef DEBUG_DSHOW
 908     msg_Dbg( p_input, "CaptureFilter::GetClassID" );
 909 #endif
 910     return E_NOTIMPL;
 911 };
 912
 913 /* IMediaFilter methods */
 914 STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
 915 {
 916 #ifdef DEBUG_DSHOW
 917     msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
 918 #endif
 919
 920     *State = state;
 921     return S_OK;
 922 };
 923 STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
 924 {
 925 #ifdef DEBUG_DSHOW
 926     msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
 927 #endif
 928
 929     return S_OK;
 930 };
 931 STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
 932 {
 933 #ifdef DEBUG_DSHOW
 934     msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
 935 #endif
 936
 937     *pClock = NULL;
 938     return NOERROR;
 939 };
 940 STDMETHODIMP CaptureFilter::Stop()
 941 {
 942 #ifdef DEBUG_DSHOW
 943     msg_Dbg( p_input, "CaptureFilter::Stop" );
 944 #endif
 945
 946     p_pin->EndFlush();
 947
 948     state = State_Stopped;
 949     return S_OK;
 950 };
 951 STDMETHODIMP CaptureFilter::Pause()
 952 {
 953 #ifdef DEBUG_DSHOW
 954     msg_Dbg( p_input, "CaptureFilter::Pause" );
 955 #endif
 956
 957     state = State_Paused;
 958     return S_OK;
 959 };
 960 STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
 961 {
 962 #ifdef DEBUG_DSHOW
 963     msg_Dbg( p_input, "CaptureFilter::Run" );
 964 #endif
 965
 966     state = State_Running;
 967     return S_OK;
 968 };
 969
 970 /* IBaseFilter methods */
 971 STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
 972 {
 973 #ifdef DEBUG_DSHOW
 974     msg_Dbg( p_input, "CaptureFilter::EnumPins" );
 975 #endif
 976
 977     /* Create a new ref counted enumerator */
 978     *ppEnum = new CaptureEnumPins( p_input, this, NULL );
 979     return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
 980 };
 981 STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
 982 {
 983 #ifdef DEBUG_DSHOW
 984     msg_Dbg( p_input, "CaptureFilter::FindPin" );
 985 #endif
 986     return E_NOTIMPL;
 987 };
 988 STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
 989 {
 990 #ifdef DEBUG_DSHOW
 991     msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
 992 #endif
 993
 994     memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
 995
 996     pInfo->pGraph = p_graph;
 997     if( p_graph ) p_graph->AddRef();
 998
 999     return NOERROR;
1000 };
1001 STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
1002                                              LPCWSTR pName )
1003 {
1004 #ifdef DEBUG_DSHOW
1005     msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
1006 #endif
1007
1008     p_graph = pGraph;
1009
1010     return NOERROR;
1011 };
1012 STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
1013 {
1014 #ifdef DEBUG_DSHOW
1015     msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
1016 #endif
1017     return E_NOTIMPL;
1018 };
1019
1020 /* Custom methods */
1021 CapturePin *CaptureFilter::CustomGetPin()
1022 {
1023     return p_pin;
1024 }
1025
1026 /****************************************************************************
1027  * Implementation of our dummy directshow enumpins class
1028  ****************************************************************************/
1029
1030 CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
1031                                   CaptureFilter *_p_filter,
1032                                   CaptureEnumPins *pEnumPins )
1033   : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
1034 {
1035     /* Hold a reference count on our filter */
1036     p_filter->AddRef();
1037
1038     /* Are we creating a new enumerator */
1039
1040     if( pEnumPins == NULL )
1041     {
1042         i_position = 0;
1043     }
1044     else
1045     {
1046         i_position = pEnumPins->i_position;
1047     }
1048 }
1049
1050 CaptureEnumPins::~CaptureEnumPins()
1051 {
1052 #ifdef DEBUG_DSHOW_L1
1053     msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
1054 #endif
1055     p_filter->Release();
1056 }
1057
1058 /* IUnknown methods */
1059 STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
1060 {
1061 #ifdef DEBUG_DSHOW_L1
1062     msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
1063 #endif
1064
1065     if( riid == IID_IUnknown ||
1066         riid == IID_IEnumPins )
1067     {
1068         AddRef();
1069         *ppv = (IEnumPins *)this;
1070         return NOERROR;
1071     }
1072     else
1073     {
1074         *ppv = NULL;
1075         return E_NOINTERFACE;
1076     }
1077 };
1078 STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
1079 {
1080 #ifdef DEBUG_DSHOW_L1
1081     msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
1082 #endif
1083
1084     return i_ref++;
1085 };
1086 STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
1087 {
1088 #ifdef DEBUG_DSHOW_L1
1089     msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
1090 #endif
1091
1092     if( !InterlockedDecrement(&i_ref) ) delete this;
1093
1094     return 0;
1095 };
1096
1097 /* IEnumPins */
1098 STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
1099                                     ULONG * pcFetched )
1100 {
1101 #ifdef DEBUG_DSHOW_L1
1102     msg_Dbg( p_input, "CaptureEnumPins::Next" );
1103 #endif
1104
1105     unsigned int i_fetched = 0;
1106
1107     if( i_position < 1 && cPins > 0 )
1108     {
1109         IPin *pPin = p_filter->CustomGetPin();
1110         *ppPins = pPin;
1111         pPin->AddRef();
1112         i_fetched = 1;
1113         i_position++;
1114     }
1115
1116     if( pcFetched ) *pcFetched = i_fetched;
1117
1118     return (i_fetched == cPins) ? S_OK : S_FALSE;
1119 };
1120 STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
1121 {
1122 #ifdef DEBUG_DSHOW_L1
1123     msg_Dbg( p_input, "CaptureEnumPins::Skip" );
1124 #endif
1125
1126     i_position += cPins;
1127
1128     if( i_position > 1 )
1129     {
1130         return S_FALSE;
1131     }
1132
1133     return S_OK;
1134 };
1135 STDMETHODIMP CaptureEnumPins::Reset()
1136 {
1137 #ifdef DEBUG_DSHOW_L1
1138     msg_Dbg( p_input, "CaptureEnumPins::Reset" );
1139 #endif
1140
1141     i_position = 0;
1142     return S_OK;
1143 };
1144 STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
1145 {
1146 #ifdef DEBUG_DSHOW_L1
1147     msg_Dbg( p_input, "CaptureEnumPins::Clone" );
1148 #endif
1149
1150     *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
1151     if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1152
1153     return NOERROR;
1154 };
1155
1156 /****************************************************************************
1157  * Implementation of our dummy directshow enummediatypes class
1158  ****************************************************************************/
1159 CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1160     CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
1161   : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
1162 {
1163     /* Hold a reference count on our filter */
1164     p_pin->AddRef();
1165
1166     /* Are we creating a new enumerator */
1167     if( pEnumMediaTypes == NULL )
1168     {
1169         CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1170         i_position = 0;
1171     }
1172     else
1173     {
1174         CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
1175         i_position = pEnumMediaTypes->i_position;
1176     }
1177 }
1178
1179 CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
1180 {
1181 #ifdef DEBUG_DSHOW_L1
1182     msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
1183 #endif
1184     FreeMediaType(cx_media_type);
1185     p_pin->Release();
1186 }
1187
1188 /* IUnknown methods */
1189 STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
1190 {
1191 #ifdef DEBUG_DSHOW_L1
1192     msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
1193 #endif
1194
1195     if( riid == IID_IUnknown ||
1196         riid == IID_IEnumMediaTypes )
1197     {
1198         AddRef();
1199         *ppv = (IEnumMediaTypes *)this;
1200         return NOERROR;
1201     }
1202     else
1203     {
1204         *ppv = NULL;
1205         return E_NOINTERFACE;
1206     }
1207 };
1208 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
1209 {
1210 #ifdef DEBUG_DSHOW_L1
1211     msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
1212 #endif
1213
1214     return i_ref++;
1215 };
1216 STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
1217 {
1218 #ifdef DEBUG_DSHOW_L1
1219     msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
1220 #endif
1221
1222     if( !InterlockedDecrement(&i_ref) ) delete this;
1223
1224     return 0;
1225 };
1226
1227 /* IEnumMediaTypes */
1228 STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
1229                                           AM_MEDIA_TYPE ** ppMediaTypes,
1230                                           ULONG * pcFetched )
1231 {
1232 #ifdef DEBUG_DSHOW_L1
1233     msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
1234 #endif
1235     ULONG copied = 0;
1236     ULONG offset = 0;
1237     ULONG max = p_pin->media_type_count;
1238
1239     if( ! ppMediaTypes )
1240         return E_POINTER;
1241
1242     if( (! pcFetched)  && (cMediaTypes > 1) )
1243        return E_POINTER;
1244
1245     /*
1246     ** use connection media type as first entry in iterator if it exists
1247     */
1248     copied = 0;
1249     if( cx_media_type.subtype != GUID_NULL )
1250     {
1251         ++max;
1252         if( i_position == 0 )
1253         {
1254             ppMediaTypes[copied] =
1255                 (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1256             if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
1257                 return E_OUTOFMEMORY;
1258             ++i_position;
1259             ++copied;
1260         }
1261     }
1262
1263     while( (copied < cMediaTypes) && (i_position < max)  )
1264     {
1265         ppMediaTypes[copied] =
1266             (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
1267         if( CopyMediaType( ppMediaTypes[copied],
1268                            &p_pin->media_types[i_position-offset]) != S_OK )
1269             return E_OUTOFMEMORY;
1270
1271         ++copied;
1272         ++i_position;
1273     }
1274
1275     if( pcFetched )  *pcFetched = copied;
1276
1277     return (copied == cMediaTypes) ? S_OK : S_FALSE;
1278 };
1279 STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
1280 {
1281     ULONG max =  p_pin->media_type_count;
1282     if( cx_media_type.subtype != GUID_NULL )
1283     {
1284         max = 1;
1285     }
1286 #ifdef DEBUG_DSHOW_L1
1287     msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
1288 #endif
1289
1290     i_position += cMediaTypes;
1291     return (i_position < max) ? S_OK : S_FALSE;
1292 };
1293 STDMETHODIMP CaptureEnumMediaTypes::Reset()
1294 {
1295 #ifdef DEBUG_DSHOW_L1
1296     msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
1297 #endif
1298
1299     FreeMediaType(cx_media_type);
1300     CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
1301     i_position = 0;
1302     return S_OK;
1303 };
1304 STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
1305 {
1306 #ifdef DEBUG_DSHOW_L1
1307     msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
1308 #endif
1309
1310     *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
1311     if( *ppEnum == NULL ) return E_OUTOFMEMORY;
1312
1313     return NOERROR;
1314 };