1 | /*
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2 | * Implementation of IGraphVersion for FilterGraph.
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3 | *
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4 | * FIXME - stub.
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5 | *
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6 | * hidenori@a2.ctktv.ne.jp
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7 | */
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8 |
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9 | #include "config.h"
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10 |
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11 | #include "windef.h"
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12 | #include "winbase.h"
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13 | #include "wingdi.h"
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14 | #include "winerror.h"
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15 | #include "wine/obj_base.h"
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16 | #include "wine/obj_oleaut.h"
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17 | #include "strmif.h"
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18 | #include "control.h"
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19 | #include "uuids.h"
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20 |
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21 | #include "debugtools.h"
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22 | DEFAULT_DEBUG_CHANNEL(quartz);
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23 |
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24 | #include "quartz_private.h"
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25 | #include "fgraph.h"
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26 |
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27 |
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28 |
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29 | static HRESULT WINAPI
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30 | IGraphVersion_fnQueryInterface(IGraphVersion* iface,REFIID riid,void** ppobj)
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31 | {
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32 | CFilterGraph_THIS(iface,graphversion);
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33 |
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34 | TRACE("(%p)->()\n",This);
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35 |
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36 | return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
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37 | }
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38 |
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39 | static ULONG WINAPI
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40 | IGraphVersion_fnAddRef(IGraphVersion* iface)
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41 | {
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42 | CFilterGraph_THIS(iface,graphversion);
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43 |
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44 | TRACE("(%p)->()\n",This);
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45 |
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46 | return IUnknown_AddRef(This->unk.punkControl);
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47 | }
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48 |
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49 | static ULONG WINAPI
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50 | IGraphVersion_fnRelease(IGraphVersion* iface)
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51 | {
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52 | CFilterGraph_THIS(iface,graphversion);
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53 |
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54 | TRACE("(%p)->()\n",This);
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55 |
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56 | return IUnknown_Release(This->unk.punkControl);
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57 | }
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58 |
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59 |
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60 | static HRESULT WINAPI
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61 | IGraphVersion_fnQueryVersion(IGraphVersion* iface,LONG* plVersion)
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62 | {
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63 | CFilterGraph_THIS(iface,graphversion);
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64 |
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65 | TRACE("(%p)->(%p)\n",This,plVersion);
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66 |
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67 | if ( plVersion == NULL )
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68 | return E_POINTER;
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69 |
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70 | EnterCriticalSection( &This->m_csGraphVersion );
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71 | *plVersion = This->m_lGraphVersion;
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72 | LeaveCriticalSection( &This->m_csGraphVersion );
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73 |
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74 | return NOERROR;
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75 | }
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76 |
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77 |
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78 | static ICOM_VTABLE(IGraphVersion) igraphversion =
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79 | {
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80 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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81 | /* IUnknown fields */
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82 | IGraphVersion_fnQueryInterface,
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83 | IGraphVersion_fnAddRef,
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84 | IGraphVersion_fnRelease,
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85 | /* IGraphVersion fields */
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86 | IGraphVersion_fnQueryVersion,
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87 | };
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88 |
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89 |
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90 |
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91 | HRESULT CFilterGraph_InitIGraphVersion( CFilterGraph* pfg )
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92 | {
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93 | TRACE("(%p)\n",pfg);
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94 | ICOM_VTBL(&pfg->graphversion) = &igraphversion;
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95 |
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96 | InitializeCriticalSection( &pfg->m_csGraphVersion );
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97 | pfg->m_lGraphVersion = 1;
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98 |
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99 | return NOERROR;
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100 | }
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101 |
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102 | void CFilterGraph_UninitIGraphVersion( CFilterGraph* pfg )
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103 | {
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104 | TRACE("(%p)\n",pfg);
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105 |
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106 | DeleteCriticalSection( &pfg->m_csGraphVersion );
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107 | }
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108 |
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