ReactOS 0.4.15-dev-7098-ge0c17c3
seeking.c File Reference
#include "dshow.h"
#include "wine/strmbase.h"
#include "uuids.h"
#include "wine/debug.h"
#include <assert.h>
Include dependency graph for seeking.c:

Go to the source code of this file.

Macros

#define COBJMACROS
 

Functions

 WINE_DEFAULT_DEBUG_CHANNEL (strmbase)
 
static SourceSeekingimpl_from_IMediaSeeking (IMediaSeeking *iface)
 
HRESULT SourceSeeking_Init (SourceSeeking *pSeeking, const IMediaSeekingVtbl *Vtbl, SourceSeeking_ChangeStop fnChangeStop, SourceSeeking_ChangeStart fnChangeStart, SourceSeeking_ChangeRate fnChangeRate, PCRITICAL_SECTION crit_sect)
 
HRESULT WINAPI SourceSeekingImpl_GetCapabilities (IMediaSeeking *iface, DWORD *pCapabilities)
 
HRESULT WINAPI SourceSeekingImpl_CheckCapabilities (IMediaSeeking *iface, DWORD *pCapabilities)
 
HRESULT WINAPI SourceSeekingImpl_IsFormatSupported (IMediaSeeking *iface, const GUID *pFormat)
 
HRESULT WINAPI SourceSeekingImpl_QueryPreferredFormat (IMediaSeeking *iface, GUID *pFormat)
 
HRESULT WINAPI SourceSeekingImpl_GetTimeFormat (IMediaSeeking *iface, GUID *pFormat)
 
HRESULT WINAPI SourceSeekingImpl_IsUsingTimeFormat (IMediaSeeking *iface, const GUID *pFormat)
 
HRESULT WINAPI SourceSeekingImpl_SetTimeFormat (IMediaSeeking *iface, const GUID *pFormat)
 
HRESULT WINAPI SourceSeekingImpl_GetDuration (IMediaSeeking *iface, LONGLONG *pDuration)
 
HRESULT WINAPI SourceSeekingImpl_GetStopPosition (IMediaSeeking *iface, LONGLONG *pStop)
 
HRESULT WINAPI SourceSeekingImpl_GetCurrentPosition (IMediaSeeking *iface, LONGLONG *pCurrent)
 
HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat (IMediaSeeking *iface, LONGLONG *pTarget, const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat)
 
static LONGLONG Adjust (LONGLONG value, const LONGLONG *pModifier, DWORD dwFlags)
 
HRESULT WINAPI SourceSeekingImpl_SetPositions (IMediaSeeking *iface, LONGLONG *pCurrent, DWORD dwCurrentFlags, LONGLONG *pStop, DWORD dwStopFlags)
 
HRESULT WINAPI SourceSeekingImpl_GetPositions (IMediaSeeking *iface, LONGLONG *pCurrent, LONGLONG *pStop)
 
HRESULT WINAPI SourceSeekingImpl_GetAvailable (IMediaSeeking *iface, LONGLONG *pEarliest, LONGLONG *pLatest)
 
HRESULT WINAPI SourceSeekingImpl_SetRate (IMediaSeeking *iface, double dRate)
 
HRESULT WINAPI SourceSeekingImpl_GetRate (IMediaSeeking *iface, double *dRate)
 
HRESULT WINAPI SourceSeekingImpl_GetPreroll (IMediaSeeking *iface, LONGLONG *pPreroll)
 

Macro Definition Documentation

◆ COBJMACROS

#define COBJMACROS

Definition at line 23 of file seeking.c.

Function Documentation

◆ Adjust()

static LONGLONG Adjust ( LONGLONG  value,
const LONGLONG pModifier,
DWORD  dwFlags 
)
inlinestatic

Definition at line 201 of file seeking.c.

202{
204 {
206 return value;
208 return *pModifier;
211 return value + *pModifier;
212 default:
213 assert(FALSE);
214 return 0;
215 }
216}
@ 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
#define FALSE
Definition: types.h:117
#define assert(x)
Definition: debug.h:53
Definition: pdh_main.c:94
_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1176

Referenced by AdjustPacket(), and SourceSeekingImpl_SetPositions().

◆ impl_from_IMediaSeeking()

◆ SourceSeeking_Init()

HRESULT SourceSeeking_Init ( SourceSeeking pSeeking,
const IMediaSeekingVtbl *  Vtbl,
SourceSeeking_ChangeStop  fnChangeStop,
SourceSeeking_ChangeStart  fnChangeStart,
SourceSeeking_ChangeRate  fnChangeRate,
PCRITICAL_SECTION  crit_sect 
)

Definition at line 40 of file seeking.c.

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}
@ 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
#define S_OK
Definition: intsafe.h:52
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
uint64_t ULONGLONG
Definition: typedefs.h:67

Referenced by Parser_Create().

◆ SourceSeekingImpl_CheckCapabilities()

HRESULT WINAPI SourceSeekingImpl_CheckCapabilities ( IMediaSeeking iface,
DWORD pCapabilities 
)

Definition at line 74 of file seeking.c.

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}
#define E_FAIL
Definition: ddrawi.h:102
unsigned long DWORD
Definition: ntddk_ex.h:95
static SourceSeeking * impl_from_IMediaSeeking(IMediaSeeking *iface)
Definition: seeking.c:35
HRESULT hr
Definition: shlfolder.c:183
#define TRACE(s)
Definition: solgame.cpp:4
#define S_FALSE
Definition: winerror.h:2357
#define E_POINTER
Definition: winerror.h:2365

◆ SourceSeekingImpl_ConvertTimeFormat()

HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat ( IMediaSeeking iface,
LONGLONG pTarget,
const GUID pTargetFormat,
LONGLONG  Source,
const GUID pSourceFormat 
)

Definition at line 185 of file seeking.c.

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}
#define E_INVALIDARG
Definition: ddrawi.h:101
FxIoTarget * pTarget
Definition: fxdeviceapi.cpp:97
_In_ UINT _In_ UINT _In_ PNDIS_PACKET Source
Definition: ndis.h:3169
#define IsEqualIID(riid1, riid2)
Definition: guiddef.h:95

◆ SourceSeekingImpl_GetAvailable()

HRESULT WINAPI SourceSeekingImpl_GetAvailable ( IMediaSeeking iface,
LONGLONG pEarliest,
LONGLONG pLatest 
)

Definition at line 268 of file seeking.c.

269{
271
272 TRACE("(%p, %p)\n", pEarliest, pLatest);
273
275 *pEarliest = 0;
276 *pLatest = This->llDuration;
278
279 return S_OK;
280}
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)

◆ SourceSeekingImpl_GetCapabilities()

HRESULT WINAPI SourceSeekingImpl_GetCapabilities ( IMediaSeeking iface,
DWORD pCapabilities 
)

Definition at line 63 of file seeking.c.

64{
66
67 TRACE("(%p)\n", pCapabilities);
68
69 *pCapabilities = This->dwCapabilities;
70
71 return S_OK;
72}

◆ SourceSeekingImpl_GetCurrentPosition()

HRESULT WINAPI SourceSeekingImpl_GetCurrentPosition ( IMediaSeeking iface,
LONGLONG pCurrent 
)

Definition at line 172 of file seeking.c.

173{
175
176 TRACE("(%p)\n", pCurrent);
177
179 *pCurrent = This->llCurrent;
181
182 return S_OK;
183}

◆ SourceSeekingImpl_GetDuration()

HRESULT WINAPI SourceSeekingImpl_GetDuration ( IMediaSeeking iface,
LONGLONG pDuration 
)

Definition at line 145 of file seeking.c.

146{
148
149 TRACE("(%p)\n", pDuration);
150
152 *pDuration = This->llDuration;
154
155 return S_OK;
156}

◆ SourceSeekingImpl_GetPositions()

HRESULT WINAPI SourceSeekingImpl_GetPositions ( IMediaSeeking iface,
LONGLONG pCurrent,
LONGLONG pStop 
)

Definition at line 254 of file seeking.c.

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}

◆ SourceSeekingImpl_GetPreroll()

HRESULT WINAPI SourceSeekingImpl_GetPreroll ( IMediaSeeking iface,
LONGLONG pPreroll 
)

Definition at line 319 of file seeking.c.

320{
321 TRACE("(%p)\n", pPreroll);
322
323 *pPreroll = 0;
324 return S_OK;
325}

◆ SourceSeekingImpl_GetRate()

HRESULT WINAPI SourceSeekingImpl_GetRate ( IMediaSeeking iface,
double dRate 
)

Definition at line 305 of file seeking.c.

306{
308
309 TRACE("(%p)\n", dRate);
310
312 /* Forward? */
313 *dRate = This->dRate;
315
316 return S_OK;
317}

◆ SourceSeekingImpl_GetStopPosition()

HRESULT WINAPI SourceSeekingImpl_GetStopPosition ( IMediaSeeking iface,
LONGLONG pStop 
)

Definition at line 158 of file seeking.c.

159{
161
162 TRACE("(%p)\n", pStop);
163
165 *pStop = This->llStop;
167
168 return S_OK;
169}

◆ SourceSeekingImpl_GetTimeFormat()

HRESULT WINAPI SourceSeekingImpl_GetTimeFormat ( IMediaSeeking iface,
GUID pFormat 
)

Definition at line 110 of file seeking.c.

111{
113 TRACE("(%s)\n", debugstr_guid(pFormat));
114
116 *pFormat = This->timeformat;
118
119 return S_OK;
120}
#define debugstr_guid
Definition: kernel32.h:35

◆ SourceSeekingImpl_IsFormatSupported()

HRESULT WINAPI SourceSeekingImpl_IsFormatSupported ( IMediaSeeking iface,
const GUID pFormat 
)

Definition at line 95 of file seeking.c.

96{
97 TRACE("(%s)\n", debugstr_guid(pFormat));
98
99 return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : S_FALSE);
100}

◆ SourceSeekingImpl_IsUsingTimeFormat()

HRESULT WINAPI SourceSeekingImpl_IsUsingTimeFormat ( IMediaSeeking iface,
const GUID pFormat 
)

Definition at line 122 of file seeking.c.

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}

◆ SourceSeekingImpl_QueryPreferredFormat()

HRESULT WINAPI SourceSeekingImpl_QueryPreferredFormat ( IMediaSeeking iface,
GUID pFormat 
)

Definition at line 102 of file seeking.c.

103{
104 TRACE("(%s)\n", debugstr_guid(pFormat));
105
106 *pFormat = TIME_FORMAT_MEDIA_TIME;
107 return S_OK;
108}

◆ SourceSeekingImpl_SetPositions()

HRESULT WINAPI SourceSeekingImpl_SetPositions ( IMediaSeeking iface,
LONGLONG pCurrent,
DWORD  dwCurrentFlags,
LONGLONG pStop,
DWORD  dwStopFlags 
)

Definition at line 218 of file seeking.c.

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}
@ AM_SEEKING_ReturnTime
Definition: axcore.idl:597
#define TRUE
Definition: types.h:120
unsigned int BOOL
Definition: ntddk_ex.h:94
static LONGLONG Adjust(LONGLONG value, const LONGLONG *pModifier, DWORD dwFlags)
Definition: seeking.c:201
int64_t LONGLONG
Definition: typedefs.h:68

◆ SourceSeekingImpl_SetRate()

HRESULT WINAPI SourceSeekingImpl_SetRate ( IMediaSeeking iface,
double  dRate 
)

Definition at line 282 of file seeking.c.

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}
#define FIXME(fmt,...)
Definition: debug.h:111
#define VFW_E_UNSUPPORTED_AUDIO
Definition: vfwmsgs.h:112

◆ SourceSeekingImpl_SetTimeFormat()

HRESULT WINAPI SourceSeekingImpl_SetTimeFormat ( IMediaSeeking iface,
const GUID pFormat 
)

Definition at line 137 of file seeking.c.

138{
140 TRACE("%p %s\n", This, debugstr_guid(pFormat));
141 return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : E_INVALIDARG);
142}

◆ WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL ( strmbase  )