2 * DirectShow capture interface
3 * Copyright (c) 2010 Ramiro Polla
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "dshow_capture.h"
24 DECLARE_QUERYINTERFACE(libAVEnumPins,
25 { {&IID_IUnknown,0}, {&IID_IEnumPins,0} })
26 DECLARE_ADDREF(libAVEnumPins)
27 DECLARE_RELEASE(libAVEnumPins)
30 libAVEnumPins_Next(libAVEnumPins *this, unsigned long n, IPin **pins,
31 unsigned long *fetched)
34 dshowdebug("libAVEnumPins_Next(%p)\n", this);
37 if (!this->pos && n == 1) {
38 libAVPin_AddRef(this->pin);
39 *pins = (IPin *) this->pin;
50 libAVEnumPins_Skip(libAVEnumPins *this, unsigned long n)
52 dshowdebug("libAVEnumPins_Skip(%p)\n", this);
53 if (n) /* Any skip will always fall outside of the only valid pin. */
58 libAVEnumPins_Reset(libAVEnumPins *this)
60 dshowdebug("libAVEnumPins_Reset(%p)\n", this);
65 libAVEnumPins_Clone(libAVEnumPins *this, libAVEnumPins **pins)
68 dshowdebug("libAVEnumPins_Clone(%p)\n", this);
71 new = libAVEnumPins_Create(this->pin, this->filter);
80 libAVEnumPins_Setup(libAVEnumPins *this, libAVPin *pin, libAVFilter *filter)
82 IEnumPinsVtbl *vtbl = this->vtbl;
83 SETVTBL(vtbl, libAVEnumPins, QueryInterface);
84 SETVTBL(vtbl, libAVEnumPins, AddRef);
85 SETVTBL(vtbl, libAVEnumPins, Release);
86 SETVTBL(vtbl, libAVEnumPins, Next);
87 SETVTBL(vtbl, libAVEnumPins, Skip);
88 SETVTBL(vtbl, libAVEnumPins, Reset);
89 SETVTBL(vtbl, libAVEnumPins, Clone);
92 this->filter = filter;
93 libAVFilter_AddRef(this->filter);
98 libAVEnumPins_Cleanup(libAVEnumPins *this)
100 libAVFilter_Release(this->filter);
103 DECLARE_CREATE(libAVEnumPins, libAVEnumPins_Setup(this, pin, filter),
104 libAVPin *pin, libAVFilter *filter)
105 DECLARE_DESTROY(libAVEnumPins, libAVEnumPins_Cleanup)