316 lines
8.8 KiB
C
316 lines
8.8 KiB
C
/*
|
|
* Filter Seeking and Control Interfaces
|
|
*
|
|
* Copyright 2003 Robert Shearman
|
|
* Copyright 2010 Aric Stewart, CodeWeavers
|
|
*
|
|
* This library 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.
|
|
*
|
|
* This library 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 this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
/* FIXME: critical sections */
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "dshow.h"
|
|
#include "wine/strmbase.h"
|
|
|
|
#include "uuids.h"
|
|
#include "wine/debug.h"
|
|
|
|
#include <assert.h>
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
|
|
|
|
HRESULT SourceSeeking_Init(SourceSeeking *pSeeking, const IMediaSeekingVtbl *Vtbl, SourceSeeking_ChangeStop fnChangeStop, SourceSeeking_ChangeStart fnChangeStart, SourceSeeking_ChangeRate fnChangeRate, PCRITICAL_SECTION crit_sect)
|
|
{
|
|
assert(fnChangeStop && fnChangeStart && fnChangeRate);
|
|
|
|
pSeeking->lpVtbl = Vtbl;
|
|
pSeeking->refCount = 1;
|
|
pSeeking->fnChangeRate = fnChangeRate;
|
|
pSeeking->fnChangeStop = fnChangeStop;
|
|
pSeeking->fnChangeStart = fnChangeStart;
|
|
pSeeking->dwCapabilities = AM_SEEKING_CanSeekForwards |
|
|
AM_SEEKING_CanSeekBackwards |
|
|
AM_SEEKING_CanSeekAbsolute |
|
|
AM_SEEKING_CanGetStopPos |
|
|
AM_SEEKING_CanGetDuration;
|
|
pSeeking->llCurrent = 0;
|
|
pSeeking->llStop = ((ULONGLONG)0x80000000) << 32;
|
|
pSeeking->llDuration = pSeeking->llStop;
|
|
pSeeking->dRate = 1.0;
|
|
pSeeking->timeformat = TIME_FORMAT_MEDIA_TIME;
|
|
pSeeking->crst = crit_sect;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p)\n", pCapabilities);
|
|
|
|
*pCapabilities = This->dwCapabilities;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_CheckCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
HRESULT hr;
|
|
DWORD dwCommonCaps;
|
|
|
|
TRACE("(%p)\n", pCapabilities);
|
|
|
|
if (!pCapabilities)
|
|
return E_POINTER;
|
|
|
|
dwCommonCaps = *pCapabilities & This->dwCapabilities;
|
|
|
|
if (!dwCommonCaps)
|
|
hr = E_FAIL;
|
|
else
|
|
hr = (*pCapabilities == dwCommonCaps) ? S_OK : S_FALSE;
|
|
*pCapabilities = dwCommonCaps;
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_IsFormatSupported(IMediaSeeking * iface, const GUID * pFormat)
|
|
{
|
|
TRACE("(%s)\n", debugstr_guid(pFormat));
|
|
|
|
return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : S_FALSE);
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_QueryPreferredFormat(IMediaSeeking * iface, GUID * pFormat)
|
|
{
|
|
TRACE("(%s)\n", debugstr_guid(pFormat));
|
|
|
|
*pFormat = TIME_FORMAT_MEDIA_TIME;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetTimeFormat(IMediaSeeking * iface, GUID * pFormat)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
TRACE("(%s)\n", debugstr_guid(pFormat));
|
|
|
|
EnterCriticalSection(This->crst);
|
|
*pFormat = This->timeformat;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_IsUsingTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%s)\n", debugstr_guid(pFormat));
|
|
|
|
EnterCriticalSection(This->crst);
|
|
if (!IsEqualIID(pFormat, &This->timeformat))
|
|
hr = S_FALSE;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_SetTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
TRACE("%p %s\n", This, debugstr_guid(pFormat));
|
|
return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : E_INVALIDARG);
|
|
}
|
|
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetDuration(IMediaSeeking * iface, LONGLONG * pDuration)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p)\n", pDuration);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
*pDuration = This->llDuration;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetStopPosition(IMediaSeeking * iface, LONGLONG * pStop)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p)\n", pStop);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
*pStop = This->llStop;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* FIXME: Make use of the info the filter should expose */
|
|
HRESULT WINAPI SourceSeekingImpl_GetCurrentPosition(IMediaSeeking * iface, LONGLONG * pCurrent)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p)\n", pCurrent);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
*pCurrent = This->llCurrent;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_ConvertTimeFormat(IMediaSeeking * iface, LONGLONG * pTarget, const GUID * pTargetFormat, LONGLONG Source, const GUID * pSourceFormat)
|
|
{
|
|
if (IsEqualIID(pTargetFormat, &TIME_FORMAT_MEDIA_TIME) && IsEqualIID(pSourceFormat, &TIME_FORMAT_MEDIA_TIME))
|
|
{
|
|
*pTarget = Source;
|
|
return S_OK;
|
|
}
|
|
/* FIXME: clear pTarget? */
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
static inline LONGLONG Adjust(LONGLONG value, const LONGLONG * pModifier, DWORD dwFlags)
|
|
{
|
|
switch (dwFlags & AM_SEEKING_PositioningBitsMask)
|
|
{
|
|
case AM_SEEKING_NoPositioning:
|
|
return value;
|
|
case AM_SEEKING_AbsolutePositioning:
|
|
return *pModifier;
|
|
case AM_SEEKING_RelativePositioning:
|
|
case AM_SEEKING_IncrementalPositioning:
|
|
return value + *pModifier;
|
|
default:
|
|
assert(FALSE);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_SetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
BOOL bChangeCurrent = FALSE, bChangeStop = FALSE;
|
|
LONGLONG llNewCurrent, llNewStop;
|
|
|
|
TRACE("(%p, %x, %p, %x)\n", pCurrent, dwCurrentFlags, pStop, dwStopFlags);
|
|
EnterCriticalSection(This->crst);
|
|
|
|
llNewCurrent = Adjust(This->llCurrent, pCurrent, dwCurrentFlags);
|
|
llNewStop = Adjust(This->llStop, pStop, dwStopFlags);
|
|
|
|
if (pCurrent)
|
|
bChangeCurrent = TRUE;
|
|
if (llNewStop != This->llStop)
|
|
bChangeStop = TRUE;
|
|
|
|
TRACE("Old: %u, New: %u\n", (DWORD)(This->llCurrent/10000000), (DWORD)(llNewCurrent/10000000));
|
|
|
|
This->llCurrent = llNewCurrent;
|
|
This->llStop = llNewStop;
|
|
|
|
if (pCurrent && (dwCurrentFlags & AM_SEEKING_ReturnTime))
|
|
*pCurrent = llNewCurrent;
|
|
if (pStop && (dwStopFlags & AM_SEEKING_ReturnTime))
|
|
*pStop = llNewStop;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
if (bChangeCurrent)
|
|
This->fnChangeStart(iface);
|
|
if (bChangeStop)
|
|
This->fnChangeStop(iface);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, LONGLONG * pStop)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p, %p)\n", pCurrent, pStop);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
IMediaSeeking_GetCurrentPosition(iface, pCurrent);
|
|
IMediaSeeking_GetStopPosition(iface, pStop);
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetAvailable(IMediaSeeking * iface, LONGLONG * pEarliest, LONGLONG * pLatest)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p, %p)\n", pEarliest, pLatest);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
*pEarliest = 0;
|
|
*pLatest = This->llDuration;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_SetRate(IMediaSeeking * iface, double dRate)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
BOOL bChangeRate = (dRate != This->dRate);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%e)\n", dRate);
|
|
|
|
if (dRate > 100 || dRate < .001)
|
|
{
|
|
FIXME("Excessive rate %e, ignoring\n", dRate);
|
|
return VFW_E_UNSUPPORTED_AUDIO;
|
|
}
|
|
|
|
EnterCriticalSection(This->crst);
|
|
This->dRate = dRate;
|
|
if (bChangeRate)
|
|
hr = This->fnChangeRate(iface);
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetRate(IMediaSeeking * iface, double * dRate)
|
|
{
|
|
SourceSeeking *This = (SourceSeeking *)iface;
|
|
|
|
TRACE("(%p)\n", dRate);
|
|
|
|
EnterCriticalSection(This->crst);
|
|
/* Forward? */
|
|
*dRate = This->dRate;
|
|
LeaveCriticalSection(This->crst);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI SourceSeekingImpl_GetPreroll(IMediaSeeking * iface, LONGLONG * pPreroll)
|
|
{
|
|
TRACE("(%p)\n", pPreroll);
|
|
|
|
*pPreroll = 0;
|
|
return S_OK;
|
|
}
|