blob: db4bff60f8e34a68693b9a10631fc4c8a1d1ecaa
1 | /* |
2 | * DirectShow capture interface |
3 | * Copyright (c) 2010 Ramiro Polla |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
7 | * FFmpeg is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2.1 of the License, or (at your option) any later version. |
11 | * |
12 | * FFmpeg is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Lesser General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Lesser General Public |
18 | * License along with FFmpeg; if not, write to the Free Software |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ |
21 | |
22 | #include "dshow_capture.h" |
23 | |
24 | DECLARE_QUERYINTERFACE(libAVFilter, |
25 | { {&IID_IUnknown,0}, {&IID_IBaseFilter,0} }) |
26 | DECLARE_ADDREF(libAVFilter) |
27 | DECLARE_RELEASE(libAVFilter) |
28 | |
29 | long WINAPI |
30 | libAVFilter_GetClassID(libAVFilter *this, CLSID *id) |
31 | { |
32 | dshowdebug("libAVFilter_GetClassID(%p)\n", this); |
33 | /* I'm not creating a ClassID just for this. */ |
34 | return E_FAIL; |
35 | } |
36 | long WINAPI |
37 | libAVFilter_Stop(libAVFilter *this) |
38 | { |
39 | dshowdebug("libAVFilter_Stop(%p)\n", this); |
40 | this->state = State_Stopped; |
41 | return S_OK; |
42 | } |
43 | long WINAPI |
44 | libAVFilter_Pause(libAVFilter *this) |
45 | { |
46 | dshowdebug("libAVFilter_Pause(%p)\n", this); |
47 | this->state = State_Paused; |
48 | return S_OK; |
49 | } |
50 | long WINAPI |
51 | libAVFilter_Run(libAVFilter *this, REFERENCE_TIME start) |
52 | { |
53 | dshowdebug("libAVFilter_Run(%p) %"PRId64"\n", this, start); |
54 | this->state = State_Running; |
55 | this->start_time = start; |
56 | return S_OK; |
57 | } |
58 | long WINAPI |
59 | libAVFilter_GetState(libAVFilter *this, DWORD ms, FILTER_STATE *state) |
60 | { |
61 | dshowdebug("libAVFilter_GetState(%p)\n", this); |
62 | if (!state) |
63 | return E_POINTER; |
64 | *state = this->state; |
65 | return S_OK; |
66 | } |
67 | long WINAPI |
68 | libAVFilter_SetSyncSource(libAVFilter *this, IReferenceClock *clock) |
69 | { |
70 | dshowdebug("libAVFilter_SetSyncSource(%p)\n", this); |
71 | |
72 | if (this->clock != clock) { |
73 | if (this->clock) |
74 | IReferenceClock_Release(this->clock); |
75 | this->clock = clock; |
76 | if (clock) |
77 | IReferenceClock_AddRef(clock); |
78 | } |
79 | |
80 | return S_OK; |
81 | } |
82 | long WINAPI |
83 | libAVFilter_GetSyncSource(libAVFilter *this, IReferenceClock **clock) |
84 | { |
85 | dshowdebug("libAVFilter_GetSyncSource(%p)\n", this); |
86 | |
87 | if (!clock) |
88 | return E_POINTER; |
89 | if (this->clock) |
90 | IReferenceClock_AddRef(this->clock); |
91 | *clock = this->clock; |
92 | |
93 | return S_OK; |
94 | } |
95 | long WINAPI |
96 | libAVFilter_EnumPins(libAVFilter *this, IEnumPins **enumpin) |
97 | { |
98 | libAVEnumPins *new; |
99 | dshowdebug("libAVFilter_EnumPins(%p)\n", this); |
100 | |
101 | if (!enumpin) |
102 | return E_POINTER; |
103 | new = libAVEnumPins_Create(this->pin, this); |
104 | if (!new) |
105 | return E_OUTOFMEMORY; |
106 | |
107 | *enumpin = (IEnumPins *) new; |
108 | return S_OK; |
109 | } |
110 | long WINAPI |
111 | libAVFilter_FindPin(libAVFilter *this, const wchar_t *id, IPin **pin) |
112 | { |
113 | libAVPin *found = NULL; |
114 | dshowdebug("libAVFilter_FindPin(%p)\n", this); |
115 | |
116 | if (!id || !pin) |
117 | return E_POINTER; |
118 | if (!wcscmp(id, L"In")) { |
119 | found = this->pin; |
120 | libAVPin_AddRef(found); |
121 | } |
122 | *pin = (IPin *) found; |
123 | if (!found) |
124 | return VFW_E_NOT_FOUND; |
125 | |
126 | return S_OK; |
127 | } |
128 | long WINAPI |
129 | libAVFilter_QueryFilterInfo(libAVFilter *this, FILTER_INFO *info) |
130 | { |
131 | dshowdebug("libAVFilter_QueryFilterInfo(%p)\n", this); |
132 | |
133 | if (!info) |
134 | return E_POINTER; |
135 | if (this->info.pGraph) |
136 | IFilterGraph_AddRef(this->info.pGraph); |
137 | *info = this->info; |
138 | |
139 | return S_OK; |
140 | } |
141 | long WINAPI |
142 | libAVFilter_JoinFilterGraph(libAVFilter *this, IFilterGraph *graph, |
143 | const wchar_t *name) |
144 | { |
145 | dshowdebug("libAVFilter_JoinFilterGraph(%p)\n", this); |
146 | |
147 | this->info.pGraph = graph; |
148 | if (name) |
149 | wcscpy(this->info.achName, name); |
150 | |
151 | return S_OK; |
152 | } |
153 | long WINAPI |
154 | libAVFilter_QueryVendorInfo(libAVFilter *this, wchar_t **info) |
155 | { |
156 | dshowdebug("libAVFilter_QueryVendorInfo(%p)\n", this); |
157 | |
158 | if (!info) |
159 | return E_POINTER; |
160 | return E_NOTIMPL; /* don't have to do anything here */ |
161 | } |
162 | |
163 | static int |
164 | libAVFilter_Setup(libAVFilter *this, void *priv_data, void *callback, |
165 | enum dshowDeviceType type) |
166 | { |
167 | IBaseFilterVtbl *vtbl = this->vtbl; |
168 | SETVTBL(vtbl, libAVFilter, QueryInterface); |
169 | SETVTBL(vtbl, libAVFilter, AddRef); |
170 | SETVTBL(vtbl, libAVFilter, Release); |
171 | SETVTBL(vtbl, libAVFilter, GetClassID); |
172 | SETVTBL(vtbl, libAVFilter, Stop); |
173 | SETVTBL(vtbl, libAVFilter, Pause); |
174 | SETVTBL(vtbl, libAVFilter, Run); |
175 | SETVTBL(vtbl, libAVFilter, GetState); |
176 | SETVTBL(vtbl, libAVFilter, SetSyncSource); |
177 | SETVTBL(vtbl, libAVFilter, GetSyncSource); |
178 | SETVTBL(vtbl, libAVFilter, EnumPins); |
179 | SETVTBL(vtbl, libAVFilter, FindPin); |
180 | SETVTBL(vtbl, libAVFilter, QueryFilterInfo); |
181 | SETVTBL(vtbl, libAVFilter, JoinFilterGraph); |
182 | SETVTBL(vtbl, libAVFilter, QueryVendorInfo); |
183 | |
184 | this->pin = libAVPin_Create(this); |
185 | |
186 | this->priv_data = priv_data; |
187 | this->callback = callback; |
188 | this->type = type; |
189 | |
190 | return 1; |
191 | } |
192 | static int |
193 | libAVFilter_Cleanup(libAVFilter *this) |
194 | { |
195 | libAVPin_Release(this->pin); |
196 | return 1; |
197 | } |
198 | DECLARE_CREATE(libAVFilter, libAVFilter_Setup(this, priv_data, callback, type), |
199 | void *priv_data, void *callback, enum dshowDeviceType type) |
200 | DECLARE_DESTROY(libAVFilter, libAVFilter_Cleanup) |
201 |