1 | /*
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2 | * Implementation of CLSID_FilterGraph.
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3 | *
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4 | * hidenori@a2.ctktv.ne.jp
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5 | */
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6 |
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7 | #include "config.h"
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8 |
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9 | #include "windef.h"
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10 | #include "winbase.h"
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11 | #include "wingdi.h"
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12 | #include "winerror.h"
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13 | #include "wine/obj_base.h"
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14 | #include "wine/obj_oleaut.h"
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15 | #include "strmif.h"
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16 | #include "control.h"
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17 | #include "uuids.h"
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18 |
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19 | #include "debugtools.h"
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20 | DEFAULT_DEBUG_CHANNEL(quartz);
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21 |
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22 | #include "quartz_private.h"
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23 | #include "fgraph.h"
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24 |
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25 | /* can I use offsetof safely? - FIXME? */
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26 | static QUARTZ_IFEntry IFEntries[] =
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27 | {
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28 | { &IID_IPersist, offsetof(CFilterGraph,persist)-offsetof(CFilterGraph,unk) },
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29 | { &IID_IDispatch, offsetof(CFilterGraph,disp)-offsetof(CFilterGraph,unk) },
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30 | { &IID_IFilterGraph, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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31 | { &IID_IGraphBuilder, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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32 | { &IID_IFilterGraph2, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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33 | { &IID_IGraphVersion, offsetof(CFilterGraph,graphversion)-offsetof(CFilterGraph,unk) },
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34 | { &IID_IMediaControl, offsetof(CFilterGraph,mediacontrol)-offsetof(CFilterGraph,unk) },
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35 | { &IID_IMediaFilter, offsetof(CFilterGraph,mediafilter)-offsetof(CFilterGraph,unk) },
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36 | { &IID_IMediaEvent, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
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37 | { &IID_IMediaEventEx, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
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38 | { &IID_IMediaEventSink, offsetof(CFilterGraph,mediaeventsink)-offsetof(CFilterGraph,unk) },
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39 | { &IID_IMediaPosition, offsetof(CFilterGraph,mediaposition)-offsetof(CFilterGraph,unk) },
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40 | { &IID_IMediaSeeking, offsetof(CFilterGraph,mediaseeking)-offsetof(CFilterGraph,unk) },
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41 | { &IID_IBasicVideo, offsetof(CFilterGraph,basvid)-offsetof(CFilterGraph,unk) },
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42 | { &IID_IBasicVideo2, offsetof(CFilterGraph,basvid)-offsetof(CFilterGraph,unk) },
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43 | { &IID_IBasicAudio, offsetof(CFilterGraph,basaud)-offsetof(CFilterGraph,unk) },
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44 | { &IID_IVideoWindow, offsetof(CFilterGraph,vidwin)-offsetof(CFilterGraph,unk) },
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45 | };
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46 |
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47 |
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48 | struct FGInitEntry
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49 | {
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50 | HRESULT (*pInit)(CFilterGraph*);
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51 | void (*pUninit)(CFilterGraph*);
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52 | };
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53 |
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54 | static const struct FGInitEntry FGRAPH_Init[] =
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55 | {
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56 | #define FGENT(a) {&CFilterGraph_Init##a,&CFilterGraph_Uninit##a},
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57 |
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58 | FGENT(IPersist)
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59 | FGENT(IDispatch)
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60 | FGENT(IFilterGraph2)
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61 | FGENT(IGraphVersion)
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62 | FGENT(IMediaControl)
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63 | FGENT(IMediaFilter)
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64 | FGENT(IMediaEventEx)
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65 | FGENT(IMediaEventSink)
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66 | FGENT(IMediaPosition)
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67 | FGENT(IMediaSeeking)
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68 | FGENT(IBasicVideo2)
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69 | FGENT(IBasicAudio)
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70 | FGENT(IVideoWindow)
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71 |
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72 | #undef FGENT
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73 | { NULL, NULL },
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74 | };
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75 |
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76 |
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77 | static void QUARTZ_DestroyFilterGraph(IUnknown* punk)
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78 | {
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79 | CFilterGraph_THIS(punk,unk);
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80 | int i;
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81 |
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82 | /* At first, call Stop. */
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83 | IMediaControl_Stop( CFilterGraph_IMediaControl(This) );
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84 | IMediaFilter_Stop( CFilterGraph_IMediaFilter(This) );
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85 |
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86 | i = 0;
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87 | while ( FGRAPH_Init[i].pInit != NULL )
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88 | {
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89 | FGRAPH_Init[i].pUninit( This );
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90 | i++;
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91 | }
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92 |
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93 | TRACE( "succeeded.\n" );
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94 | }
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95 |
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96 | HRESULT QUARTZ_CreateFilterGraph(IUnknown* punkOuter,void** ppobj)
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97 | {
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98 | CFilterGraph* pfg;
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99 | HRESULT hr;
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100 | int i;
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101 |
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102 | TRACE("(%p,%p)\n",punkOuter,ppobj);
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103 |
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104 | pfg = (CFilterGraph*)QUARTZ_AllocObj( sizeof(CFilterGraph) );
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105 | if ( pfg == NULL )
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106 | return E_OUTOFMEMORY;
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107 |
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108 | QUARTZ_IUnkInit( &pfg->unk, punkOuter );
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109 |
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110 | i = 0;
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111 | hr = NOERROR;
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112 | while ( FGRAPH_Init[i].pInit != NULL )
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113 | {
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114 | hr = FGRAPH_Init[i].pInit( pfg );
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115 | if ( FAILED(hr) )
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116 | break;
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117 | i++;
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118 | }
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119 |
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120 | if ( FAILED(hr) )
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121 | {
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122 | while ( --i >= 0 )
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123 | FGRAPH_Init[i].pUninit( pfg );
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124 | QUARTZ_FreeObj( pfg );
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125 | return hr;
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126 | }
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127 |
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128 | pfg->unk.pEntries = IFEntries;
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129 | pfg->unk.dwEntries = sizeof(IFEntries)/sizeof(IFEntries[0]);
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130 | pfg->unk.pOnFinalRelease = QUARTZ_DestroyFilterGraph;
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131 |
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132 | *ppobj = (void*)(&pfg->unk);
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133 |
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134 | return S_OK;
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135 | }
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136 |
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137 |
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