ReactOS 0.4.15-dev-8127-g6338913
enumpins.c
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1/*
2 * Implementation of IEnumPins Interface
3 *
4 * Copyright 2003 Robert Shearman
5 * Copyright 2010 Aric Stewart, CodeWeavers
6 *
7 * This library 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 * This library 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 this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22#define COBJMACROS
23
24#include "dshow.h"
25#include "wine/strmbase.h"
26#include "wine/debug.h"
27
29
30typedef struct IEnumPinsImpl
31{
41
43{
44 return CONTAINING_RECORD(iface, IEnumPinsImpl, IEnumPins_iface);
45}
46
47static const struct IEnumPinsVtbl IEnumPinsImpl_Vtbl;
48
50{
51 IEnumPinsImpl * pEnumPins;
52
53 if (!ppEnum)
54 return E_POINTER;
55
56 pEnumPins = CoTaskMemAlloc(sizeof(IEnumPinsImpl));
57 if (!pEnumPins)
58 {
59 *ppEnum = NULL;
60 return E_OUTOFMEMORY;
61 }
62 pEnumPins->IEnumPins_iface.lpVtbl = &IEnumPinsImpl_Vtbl;
63 pEnumPins->refCount = 1;
64 pEnumPins->uIndex = 0;
65 pEnumPins->receive_pin = receive_pin;
66 pEnumPins->receive_pincount = receive_pincount;
67 pEnumPins->receive_version = receive_version;
68 pEnumPins->base = base;
69 IBaseFilter_AddRef(&base->IBaseFilter_iface);
70 *ppEnum = &pEnumPins->IEnumPins_iface;
71 pEnumPins->Version = receive_version(base);
72
73 TRACE("Created new enumerator (%p)\n", *ppEnum);
74 return S_OK;
75}
76
78{
79 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
80
81 *ppv = NULL;
82
84 *ppv = iface;
85 else if (IsEqualIID(riid, &IID_IEnumPins))
86 *ppv = iface;
87
88 if (*ppv)
89 {
90 IUnknown_AddRef((IUnknown *)(*ppv));
91 return S_OK;
92 }
93
94 FIXME("No interface for %s!\n", debugstr_guid(riid));
95
96 return E_NOINTERFACE;
97}
98
100{
102 ULONG ref = InterlockedIncrement(&This->refCount);
103
104 TRACE("(%p)->(): new ref = %u\n", iface, ref);
105
106 return ref;
107}
108
110{
112 ULONG ref = InterlockedDecrement(&This->refCount);
113
114 TRACE("(%p)->(): new ref = %u\n", iface, ref);
115
116 if (!ref)
117 {
118 IBaseFilter_Release(&This->base->IBaseFilter_iface);
120 }
121
122 return ref;
123}
124
125static HRESULT WINAPI IEnumPinsImpl_Next(IEnumPins * iface, ULONG cPins, IPin ** ppPins, ULONG * pcFetched)
126{
128 ULONG i = 0;
129
130 TRACE("(%p)->(%u, %p, %p)\n", iface, cPins, ppPins, pcFetched);
131
132 if (!ppPins)
133 return E_POINTER;
134
135 if (cPins > 1 && !pcFetched)
136 return E_INVALIDARG;
137
138 if (pcFetched)
139 *pcFetched = 0;
140
141 if (This->Version != This->receive_version(This->base))
143
144 while (i < cPins)
145 {
146 IPin *pin;
147 pin = This->receive_pin(This->base, This->uIndex + i);
148
149 if (!pin)
150 break;
151 else
152 ppPins[i] = pin;
153 ++i;
154 }
155
156 if (pcFetched)
157 *pcFetched = i;
158 This->uIndex += i;
159
160 if (i < cPins)
161 return S_FALSE;
162 return S_OK;
163}
164
166{
168
169 TRACE("(%p)->(%u)\n", iface, cPins);
170
171 if (This->Version != This->receive_version(This->base))
173
174 if (This->receive_pincount(This->base) >= This->uIndex + cPins)
175 return S_FALSE;
176
177 This->uIndex += cPins;
178 return S_OK;
179}
180
182{
184
185 TRACE("(%p)->()\n", iface);
186
187 This->Version = This->receive_version(This->base);
188
189 This->uIndex = 0;
190 return S_OK;
191}
192
194{
195 HRESULT hr;
197
198 TRACE("(%p)->(%p)\n", iface, ppEnum);
199
200 hr = EnumPins_Construct(This->base, This->receive_pin, This->receive_pincount, This->receive_version, ppEnum);
201 if (FAILED(hr))
202 return hr;
203 return IEnumPins_Skip(*ppEnum, This->uIndex);
204}
205
206static const IEnumPinsVtbl IEnumPinsImpl_Vtbl =
207{
215};
#define InterlockedIncrement
Definition: armddk.h:53
#define InterlockedDecrement
Definition: armddk.h:52
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
const GUID IID_IUnknown
#define FIXME(fmt,...)
Definition: debug.h:114
#define E_OUTOFMEMORY
Definition: ddrawi.h:100
#define E_INVALIDARG
Definition: ddrawi.h:101
#define NULL
Definition: types.h:112
static ULONG WINAPI IEnumPinsImpl_AddRef(IEnumPins *iface)
Definition: enumpins.c:99
static HRESULT WINAPI IEnumPinsImpl_Clone(IEnumPins *iface, IEnumPins **ppEnum)
Definition: enumpins.c:193
static HRESULT WINAPI IEnumPinsImpl_QueryInterface(IEnumPins *iface, REFIID riid, LPVOID *ppv)
Definition: enumpins.c:77
HRESULT WINAPI EnumPins_Construct(BaseFilter *base, BaseFilter_GetPin receive_pin, BaseFilter_GetPinCount receive_pincount, BaseFilter_GetPinVersion receive_version, IEnumPins **ppEnum)
Definition: enumpins.c:49
static IEnumPinsImpl * impl_from_IEnumPins(IEnumPins *iface)
Definition: enumpins.c:42
static ULONG WINAPI IEnumPinsImpl_Release(IEnumPins *iface)
Definition: enumpins.c:109
static const struct IEnumPinsVtbl IEnumPinsImpl_Vtbl
Definition: enumpins.c:47
static HRESULT WINAPI IEnumPinsImpl_Next(IEnumPins *iface, ULONG cPins, IPin **ppPins, ULONG *pcFetched)
Definition: enumpins.c:125
static HRESULT WINAPI IEnumPinsImpl_Skip(IEnumPins *iface, ULONG cPins)
Definition: enumpins.c:165
static HRESULT WINAPI IEnumPinsImpl_Reset(IEnumPins *iface)
Definition: enumpins.c:181
unsigned long DWORD
Definition: ntddk_ex.h:95
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
VOID WINAPI CoTaskMemFree(LPVOID ptr)
Definition: ifs.c:442
LPVOID WINAPI CoTaskMemAlloc(SIZE_T size)
Definition: ifs.c:426
REFIID riid
Definition: atlbase.h:39
REFIID LPVOID * ppv
Definition: atlbase.h:39
Definition: axcore.idl:92
#define S_OK
Definition: intsafe.h:52
#define FAILED(hr)
Definition: intsafe.h:51
#define debugstr_guid
Definition: kernel32.h:35
long LONG
Definition: pedump.c:60
#define IsEqualIID(riid1, riid2)
Definition: guiddef.h:95
#define REFIID
Definition: guiddef.h:118
HRESULT hr
Definition: shlfolder.c:183
#define TRACE(s)
Definition: solgame.cpp:4
LONG(WINAPI * BaseFilter_GetPinVersion)(BaseFilter *iface)
Definition: strmbase.h:179
LONG(WINAPI * BaseFilter_GetPinCount)(BaseFilter *iface)
Definition: strmbase.h:178
IPin *(WINAPI * BaseFilter_GetPin)(BaseFilter *iface, int iPosition)
Definition: strmbase.h:177
BaseFilter_GetPin receive_pin
Definition: enumpins.c:36
BaseFilter_GetPinVersion receive_version
Definition: enumpins.c:38
TestFilterImpl * base
Definition: filtergraph.c:1273
BaseFilter_GetPinCount receive_pincount
Definition: enumpins.c:37
BaseFilter * base
Definition: enumpins.c:35
FNOBTAINPIN receive_pin
Definition: filtergraph.c:1274
IEnumPins IEnumPins_iface
Definition: filtergraph.c:1270
DWORD Version
Definition: enumpins.c:39
Definition: regsvr.c:104
Definition: send.c:48
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
uint32_t ULONG
Definition: typedefs.h:59
#define VFW_E_ENUM_OUT_OF_SYNC
Definition: vfwmsgs.h:42
#define WINAPI
Definition: msvc.h:6
#define S_FALSE
Definition: winerror.h:2357
#define E_NOINTERFACE
Definition: winerror.h:2364
#define E_POINTER
Definition: winerror.h:2365