ReactOS 0.4.15-dev-7674-gc0b4db1
seeking.c
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1/*
2 * Filter Seeking and Control Interfaces
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/* FIXME: critical sections */
22
23#define COBJMACROS
24
25#include "dshow.h"
26#include "wine/strmbase.h"
27
28#include "uuids.h"
29#include "wine/debug.h"
30
31#include <assert.h>
32
34
36{
37 return CONTAINING_RECORD(iface, SourceSeeking, IMediaSeeking_iface);
38}
39
40HRESULT SourceSeeking_Init(SourceSeeking *pSeeking, const IMediaSeekingVtbl *Vtbl, SourceSeeking_ChangeStop fnChangeStop, SourceSeeking_ChangeStart fnChangeStart, SourceSeeking_ChangeRate fnChangeRate, PCRITICAL_SECTION crit_sect)
41{
42 assert(fnChangeStop && fnChangeStart && fnChangeRate);
43
44 pSeeking->IMediaSeeking_iface.lpVtbl = Vtbl;
45 pSeeking->refCount = 1;
46 pSeeking->fnChangeRate = fnChangeRate;
47 pSeeking->fnChangeStop = fnChangeStop;
48 pSeeking->fnChangeStart = fnChangeStart;
54 pSeeking->llCurrent = 0;
55 pSeeking->llStop = ((ULONGLONG)0x80000000) << 32;
56 pSeeking->llDuration = pSeeking->llStop;
57 pSeeking->dRate = 1.0;
58 pSeeking->timeformat = TIME_FORMAT_MEDIA_TIME;
59 pSeeking->crst = crit_sect;
60 return S_OK;
61}
62
64{
66
67 TRACE("(%p)\n", pCapabilities);
68
69 *pCapabilities = This->dwCapabilities;
70
71 return S_OK;
72}
73
75{
77 HRESULT hr;
78 DWORD dwCommonCaps;
79
80 TRACE("(%p)\n", pCapabilities);
81
82 if (!pCapabilities)
83 return E_POINTER;
84
85 dwCommonCaps = *pCapabilities & This->dwCapabilities;
86
87 if (!dwCommonCaps)
88 hr = E_FAIL;
89 else
90 hr = (*pCapabilities == dwCommonCaps) ? S_OK : S_FALSE;
91 *pCapabilities = dwCommonCaps;
92 return hr;
93}
94
96{
97 TRACE("(%s)\n", debugstr_guid(pFormat));
98
99 return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : S_FALSE);
100}
101
103{
104 TRACE("(%s)\n", debugstr_guid(pFormat));
105
106 *pFormat = TIME_FORMAT_MEDIA_TIME;
107 return S_OK;
108}
109
111{
113 TRACE("(%s)\n", debugstr_guid(pFormat));
114
116 *pFormat = This->timeformat;
118
119 return S_OK;
120}
121
123{
125 HRESULT hr = S_OK;
126
127 TRACE("(%s)\n", debugstr_guid(pFormat));
128
130 if (!IsEqualIID(pFormat, &This->timeformat))
131 hr = S_FALSE;
133
134 return hr;
135}
136
138{
140 TRACE("%p %s\n", This, debugstr_guid(pFormat));
141 return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : E_INVALIDARG);
142}
143
144
146{
148
149 TRACE("(%p)\n", pDuration);
150
152 *pDuration = This->llDuration;
154
155 return S_OK;
156}
157
159{
161
162 TRACE("(%p)\n", pStop);
163
165 *pStop = This->llStop;
167
168 return S_OK;
169}
170
171/* FIXME: Make use of the info the filter should expose */
173{
175
176 TRACE("(%p)\n", pCurrent);
177
179 *pCurrent = This->llCurrent;
181
182 return S_OK;
183}
184
185HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat(IMediaSeeking * iface, LONGLONG * pTarget, const GUID * pTargetFormat, LONGLONG Source, const GUID * pSourceFormat)
186{
188 if (!pTargetFormat)
189 pTargetFormat = &This->timeformat;
190 if (!pSourceFormat)
191 pSourceFormat = &This->timeformat;
192 if (IsEqualIID(pTargetFormat, &TIME_FORMAT_MEDIA_TIME) && IsEqualIID(pSourceFormat, &TIME_FORMAT_MEDIA_TIME))
193 {
194 *pTarget = Source;
195 return S_OK;
196 }
197 /* FIXME: clear pTarget? */
198 return E_INVALIDARG;
199}
200
201static inline LONGLONG Adjust(LONGLONG value, const LONGLONG * pModifier, DWORD dwFlags)
202{
204 {
206 return value;
208 return *pModifier;
211 return value + *pModifier;
212 default:
213 assert(FALSE);
214 return 0;
215 }
216}
217
218HRESULT WINAPI SourceSeekingImpl_SetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags)
219{
221 BOOL bChangeCurrent = FALSE, bChangeStop = FALSE;
222 LONGLONG llNewCurrent, llNewStop;
223
224 TRACE("(%p, %x, %p, %x)\n", pCurrent, dwCurrentFlags, pStop, dwStopFlags);
226
227 llNewCurrent = Adjust(This->llCurrent, pCurrent, dwCurrentFlags);
228 llNewStop = Adjust(This->llStop, pStop, dwStopFlags);
229
230 if (pCurrent)
231 bChangeCurrent = TRUE;
232 if (llNewStop != This->llStop)
233 bChangeStop = TRUE;
234
235 TRACE("Old: %u, New: %u\n", (DWORD)(This->llCurrent/10000000), (DWORD)(llNewCurrent/10000000));
236
237 This->llCurrent = llNewCurrent;
238 This->llStop = llNewStop;
239
240 if (pCurrent && (dwCurrentFlags & AM_SEEKING_ReturnTime))
241 *pCurrent = llNewCurrent;
242 if (pStop && (dwStopFlags & AM_SEEKING_ReturnTime))
243 *pStop = llNewStop;
245
246 if (bChangeCurrent)
247 This->fnChangeStart(iface);
248 if (bChangeStop)
249 This->fnChangeStop(iface);
250
251 return S_OK;
252}
253
255{
257
258 TRACE("(%p, %p)\n", pCurrent, pStop);
259
261 IMediaSeeking_GetCurrentPosition(iface, pCurrent);
262 IMediaSeeking_GetStopPosition(iface, pStop);
264
265 return S_OK;
266}
267
269{
271
272 TRACE("(%p, %p)\n", pEarliest, pLatest);
273
275 *pEarliest = 0;
276 *pLatest = This->llDuration;
278
279 return S_OK;
280}
281
283{
285 BOOL bChangeRate = (dRate != This->dRate);
286 HRESULT hr = S_OK;
287
288 TRACE("(%e)\n", dRate);
289
290 if (dRate > 100 || dRate < .001)
291 {
292 FIXME("Excessive rate %e, ignoring\n", dRate);
294 }
295
297 This->dRate = dRate;
298 if (bChangeRate)
299 hr = This->fnChangeRate(iface);
301
302 return hr;
303}
304
306{
308
309 TRACE("(%p)\n", dRate);
310
312 /* Forward? */
313 *dRate = This->dRate;
315
316 return S_OK;
317}
318
320{
321 TRACE("(%p)\n", pPreroll);
322
323 *pPreroll = 0;
324 return S_OK;
325}
@ AM_SEEKING_CanGetDuration
Definition: axcore.idl:609
@ AM_SEEKING_CanSeekBackwards
Definition: axcore.idl:606
@ AM_SEEKING_CanSeekForwards
Definition: axcore.idl:605
@ AM_SEEKING_CanSeekAbsolute
Definition: axcore.idl:604
@ AM_SEEKING_CanGetStopPos
Definition: axcore.idl:608
@ AM_SEEKING_RelativePositioning
Definition: axcore.idl:593
@ AM_SEEKING_IncrementalPositioning
Definition: axcore.idl:594
@ AM_SEEKING_NoPositioning
Definition: axcore.idl:591
@ AM_SEEKING_PositioningBitsMask
Definition: axcore.idl:595
@ AM_SEEKING_AbsolutePositioning
Definition: axcore.idl:592
@ AM_SEEKING_ReturnTime
Definition: axcore.idl:597
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
#define FIXME(fmt,...)
Definition: debug.h:111
#define E_INVALIDARG
Definition: ddrawi.h:101
#define E_FAIL
Definition: ddrawi.h:102
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define assert(x)
Definition: debug.h:53
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned long DWORD
Definition: ntddk_ex.h:95
FxIoTarget * pTarget
Definition: fxdeviceapi.cpp:97
#define S_OK
Definition: intsafe.h:52
#define debugstr_guid
Definition: kernel32.h:35
_In_ UINT _In_ UINT _In_ PNDIS_PACKET Source
Definition: ndis.h:3169
#define IsEqualIID(riid1, riid2)
Definition: guiddef.h:95
HRESULT WINAPI SourceSeekingImpl_SetTimeFormat(IMediaSeeking *iface, const GUID *pFormat)
Definition: seeking.c:137
HRESULT WINAPI SourceSeekingImpl_SetPositions(IMediaSeeking *iface, LONGLONG *pCurrent, DWORD dwCurrentFlags, LONGLONG *pStop, DWORD dwStopFlags)
Definition: seeking.c:218
HRESULT SourceSeeking_Init(SourceSeeking *pSeeking, const IMediaSeekingVtbl *Vtbl, SourceSeeking_ChangeStop fnChangeStop, SourceSeeking_ChangeStart fnChangeStart, SourceSeeking_ChangeRate fnChangeRate, PCRITICAL_SECTION crit_sect)
Definition: seeking.c:40
HRESULT WINAPI SourceSeekingImpl_IsUsingTimeFormat(IMediaSeeking *iface, const GUID *pFormat)
Definition: seeking.c:122
static LONGLONG Adjust(LONGLONG value, const LONGLONG *pModifier, DWORD dwFlags)
Definition: seeking.c:201
HRESULT WINAPI SourceSeekingImpl_GetRate(IMediaSeeking *iface, double *dRate)
Definition: seeking.c:305
HRESULT WINAPI SourceSeekingImpl_GetTimeFormat(IMediaSeeking *iface, GUID *pFormat)
Definition: seeking.c:110
HRESULT WINAPI SourceSeekingImpl_GetCapabilities(IMediaSeeking *iface, DWORD *pCapabilities)
Definition: seeking.c:63
HRESULT WINAPI SourceSeekingImpl_GetCurrentPosition(IMediaSeeking *iface, LONGLONG *pCurrent)
Definition: seeking.c:172
HRESULT WINAPI SourceSeekingImpl_GetPreroll(IMediaSeeking *iface, LONGLONG *pPreroll)
Definition: seeking.c:319
HRESULT WINAPI SourceSeekingImpl_SetRate(IMediaSeeking *iface, double dRate)
Definition: seeking.c:282
HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat(IMediaSeeking *iface, LONGLONG *pTarget, const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat)
Definition: seeking.c:185
HRESULT WINAPI SourceSeekingImpl_IsFormatSupported(IMediaSeeking *iface, const GUID *pFormat)
Definition: seeking.c:95
HRESULT WINAPI SourceSeekingImpl_GetStopPosition(IMediaSeeking *iface, LONGLONG *pStop)
Definition: seeking.c:158
HRESULT WINAPI SourceSeekingImpl_GetDuration(IMediaSeeking *iface, LONGLONG *pDuration)
Definition: seeking.c:145
HRESULT WINAPI SourceSeekingImpl_GetPositions(IMediaSeeking *iface, LONGLONG *pCurrent, LONGLONG *pStop)
Definition: seeking.c:254
HRESULT WINAPI SourceSeekingImpl_CheckCapabilities(IMediaSeeking *iface, DWORD *pCapabilities)
Definition: seeking.c:74
HRESULT WINAPI SourceSeekingImpl_QueryPreferredFormat(IMediaSeeking *iface, GUID *pFormat)
Definition: seeking.c:102
HRESULT WINAPI SourceSeekingImpl_GetAvailable(IMediaSeeking *iface, LONGLONG *pEarliest, LONGLONG *pLatest)
Definition: seeking.c:268
static SourceSeeking * impl_from_IMediaSeeking(IMediaSeeking *iface)
Definition: seeking.c:35
HRESULT hr
Definition: shlfolder.c:183
#define TRACE(s)
Definition: solgame.cpp:4
HRESULT(WINAPI * SourceSeeking_ChangeStop)(IMediaSeeking *iface)
Definition: strmbase.h:272
HRESULT(WINAPI * SourceSeeking_ChangeRate)(IMediaSeeking *iface)
Definition: strmbase.h:270
HRESULT(WINAPI * SourceSeeking_ChangeStart)(IMediaSeeking *iface)
Definition: strmbase.h:271
LONGLONG llCurrent
Definition: strmbase.h:284
PCRITICAL_SECTION crst
Definition: strmbase.h:286
LONGLONG llStop
Definition: strmbase.h:284
double dRate
Definition: strmbase.h:283
SourceSeeking_ChangeRate fnChangeRate
Definition: strmbase.h:281
LONGLONG llDuration
Definition: strmbase.h:284
DWORD dwCapabilities
Definition: strmbase.h:282
SourceSeeking_ChangeStart fnChangeStart
Definition: strmbase.h:280
ULONG refCount
Definition: strmbase.h:278
GUID timeformat
Definition: strmbase.h:285
SourceSeeking_ChangeStop fnChangeStop
Definition: strmbase.h:279
IMediaSeeking IMediaSeeking_iface
Definition: strmbase.h:276
int64_t LONGLONG
Definition: typedefs.h:68
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
uint64_t ULONGLONG
Definition: typedefs.h:67
Definition: pdh_main.c:94
#define VFW_E_UNSUPPORTED_AUDIO
Definition: vfwmsgs.h:112
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1176
#define WINAPI
Definition: msvc.h:6
#define S_FALSE
Definition: winerror.h:2357
#define E_POINTER
Definition: winerror.h:2365