0,0 → 1,103 |
/* |
* DirectShow capture interface |
* Copyright (c) 2010 Ramiro Polla |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#include "dshow_capture.h" |
|
DECLARE_QUERYINTERFACE(libAVEnumMediaTypes, |
{ {&IID_IUnknown,0}, {&IID_IEnumPins,0} }) |
DECLARE_ADDREF(libAVEnumMediaTypes) |
DECLARE_RELEASE(libAVEnumMediaTypes) |
|
long WINAPI |
libAVEnumMediaTypes_Next(libAVEnumMediaTypes *this, unsigned long n, |
AM_MEDIA_TYPE **types, unsigned long *fetched) |
{ |
int count = 0; |
dshowdebug("libAVEnumMediaTypes_Next(%p)\n", this); |
if (!types) |
return E_POINTER; |
if (!this->pos && n == 1) { |
if (!IsEqualGUID(&this->type.majortype, &GUID_NULL)) { |
AM_MEDIA_TYPE *type = av_malloc(sizeof(AM_MEDIA_TYPE)); |
ff_copy_dshow_media_type(type, &this->type); |
*types = type; |
count = 1; |
} |
this->pos = 1; |
} |
if (fetched) |
*fetched = count; |
if (!count) |
return S_FALSE; |
return S_OK; |
} |
long WINAPI |
libAVEnumMediaTypes_Skip(libAVEnumMediaTypes *this, unsigned long n) |
{ |
dshowdebug("libAVEnumMediaTypes_Skip(%p)\n", this); |
if (n) /* Any skip will always fall outside of the only valid type. */ |
return S_FALSE; |
return S_OK; |
} |
long WINAPI |
libAVEnumMediaTypes_Reset(libAVEnumMediaTypes *this) |
{ |
dshowdebug("libAVEnumMediaTypes_Reset(%p)\n", this); |
this->pos = 0; |
return S_OK; |
} |
long WINAPI |
libAVEnumMediaTypes_Clone(libAVEnumMediaTypes *this, libAVEnumMediaTypes **enums) |
{ |
libAVEnumMediaTypes *new; |
dshowdebug("libAVEnumMediaTypes_Clone(%p)\n", this); |
if (!enums) |
return E_POINTER; |
new = libAVEnumMediaTypes_Create(&this->type); |
if (!new) |
return E_OUTOFMEMORY; |
new->pos = this->pos; |
*enums = new; |
return S_OK; |
} |
|
static int |
libAVEnumMediaTypes_Setup(libAVEnumMediaTypes *this, const AM_MEDIA_TYPE *type) |
{ |
IEnumPinsVtbl *vtbl = this->vtbl; |
SETVTBL(vtbl, libAVEnumMediaTypes, QueryInterface); |
SETVTBL(vtbl, libAVEnumMediaTypes, AddRef); |
SETVTBL(vtbl, libAVEnumMediaTypes, Release); |
SETVTBL(vtbl, libAVEnumMediaTypes, Next); |
SETVTBL(vtbl, libAVEnumMediaTypes, Skip); |
SETVTBL(vtbl, libAVEnumMediaTypes, Reset); |
SETVTBL(vtbl, libAVEnumMediaTypes, Clone); |
|
if (!type) { |
this->type.majortype = GUID_NULL; |
} else { |
ff_copy_dshow_media_type(&this->type, type); |
} |
|
return 1; |
} |
DECLARE_CREATE(libAVEnumMediaTypes, libAVEnumMediaTypes_Setup(this, type), const AM_MEDIA_TYPE *type) |
DECLARE_DESTROY(libAVEnumMediaTypes, nothing) |