Sweden-Number/dlls/quartz/control.c

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/*
* Filter Seeking and Control Interfaces
*
* Copyright 2003 Robert Shearman
*
* 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 */
#include "quartz_private.h"
#include "control_private.h"
#include "uuids.h"
#include "wine/debug.h"
#include <assert.h>
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
typedef HRESULT (*SeekFunc)( IMediaSeeking *to, LPVOID arg );
static HRESULT ForwardCmdSeek( IBaseFilter* from, SeekFunc fnSeek, LPVOID arg )
{
HRESULT hr = S_OK;
HRESULT hr_return = S_OK;
IEnumPins *enumpins = NULL;
BOOL foundend = FALSE, allnotimpl = TRUE;
hr = IBaseFilter_EnumPins( from, &enumpins );
if (FAILED(hr))
goto out;
hr = IEnumPins_Reset( enumpins );
while (hr == S_OK) {
IPin *pin = NULL;
hr = IEnumPins_Next( enumpins, 1, &pin, NULL );
if (hr == VFW_E_ENUM_OUT_OF_SYNC)
{
hr = IEnumPins_Reset( enumpins );
continue;
}
if (pin)
{
PIN_DIRECTION dir;
IPin_QueryDirection( pin, &dir );
if (dir == PINDIR_INPUT)
{
IPin *connected = NULL;
IPin_ConnectedTo( pin, &connected );
if (connected)
{
HRESULT hr_local;
IMediaSeeking *seek = NULL;
hr_local = IPin_QueryInterface( connected, &IID_IMediaSeeking, (void**)&seek );
if (!hr_local)
{
foundend = TRUE;
hr_local = fnSeek( seek , arg );
if (hr_local != E_NOTIMPL)
allnotimpl = FALSE;
hr_return = updatehres( hr_return, hr_local );
IMediaSeeking_Release( seek );
}
IPin_Release(connected);
}
}
IPin_Release( pin );
}
} while (hr == S_OK);
if (foundend && allnotimpl)
hr = E_NOTIMPL;
else
hr = hr_return;
out:
FIXME("Returning: %08x\n", hr);
return hr;
}
HRESULT MediaSeekingImpl_Init(IBaseFilter *pUserData, CHANGEPROC fnChangeStop, CHANGEPROC fnChangeCurrent, CHANGEPROC fnChangeRate, MediaSeekingImpl * pSeeking, PCRITICAL_SECTION crit_sect)
{
assert(fnChangeStop && fnChangeCurrent && fnChangeRate);
pSeeking->refCount = 1;
pSeeking->pUserData = pUserData;
pSeeking->fnChangeRate = fnChangeRate;
pSeeking->fnChangeStop = fnChangeStop;
pSeeking->fnChangeCurrent = fnChangeCurrent;
pSeeking->dwCapabilities = AM_SEEKING_CanSeekForwards |
AM_SEEKING_CanSeekBackwards |
AM_SEEKING_CanSeekAbsolute |
AM_SEEKING_CanGetStopPos |
AM_SEEKING_CanGetDuration;
pSeeking->llCurrent = 0;
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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 MediaSeekingImpl_GetCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p)\n", pCapabilities);
*pCapabilities = This->dwCapabilities;
return S_OK;
}
static HRESULT fwd_checkcaps(IMediaSeeking *iface, LPVOID pcaps)
{
DWORD *caps = pcaps;
return IMediaSeeking_CheckCapabilities(iface, caps);
}
HRESULT WINAPI MediaSeekingImpl_CheckCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
HRESULT hr;
DWORD dwCommonCaps;
TRACE("(%p)\n", pCapabilities);
if (!pCapabilities)
return E_POINTER;
hr = ForwardCmdSeek(This->pUserData, fwd_checkcaps, pCapabilities);
if (FAILED(hr) && hr != E_NOTIMPL)
return hr;
dwCommonCaps = *pCapabilities & This->dwCapabilities;
if (!dwCommonCaps)
hr = E_FAIL;
else
hr = (*pCapabilities == dwCommonCaps) ? S_OK : S_FALSE;
*pCapabilities = dwCommonCaps;
return hr;
}
HRESULT WINAPI MediaSeekingImpl_IsFormatSupported(IMediaSeeking * iface, const GUID * pFormat)
{
TRACE("(%s)\n", qzdebugstr_guid(pFormat));
return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : S_FALSE);
}
HRESULT WINAPI MediaSeekingImpl_QueryPreferredFormat(IMediaSeeking * iface, GUID * pFormat)
{
TRACE("(%s)\n", qzdebugstr_guid(pFormat));
*pFormat = TIME_FORMAT_MEDIA_TIME;
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_GetTimeFormat(IMediaSeeking * iface, GUID * pFormat)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%s)\n", qzdebugstr_guid(pFormat));
EnterCriticalSection(This->crst);
*pFormat = This->timeformat;
LeaveCriticalSection(This->crst);
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_IsUsingTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
HRESULT hr = S_OK;
TRACE("(%s)\n", qzdebugstr_guid(pFormat));
EnterCriticalSection(This->crst);
if (!IsEqualIID(pFormat, &This->timeformat))
hr = S_FALSE;
LeaveCriticalSection(This->crst);
return hr;
}
static HRESULT fwd_settimeformat(IMediaSeeking *iface, LPVOID pformat)
{
const GUID *format = pformat;
return IMediaSeeking_SetTimeFormat(iface, format);
}
HRESULT WINAPI MediaSeekingImpl_SetTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%s)\n", qzdebugstr_guid(pFormat));
ForwardCmdSeek(This->pUserData, fwd_settimeformat, (LPVOID)pFormat);
return (IsEqualIID(pFormat, &TIME_FORMAT_MEDIA_TIME) ? S_OK : S_FALSE);
}
static HRESULT fwd_getduration(IMediaSeeking *iface, LPVOID pdur)
{
LONGLONG *duration = pdur;
LONGLONG mydur = *duration;
HRESULT hr;
hr = IMediaSeeking_GetDuration(iface, &mydur);
if (FAILED(hr))
return hr;
if ((mydur < *duration) || (*duration < 0 && mydur > 0))
*duration = mydur;
return hr;
}
HRESULT WINAPI MediaSeekingImpl_GetDuration(IMediaSeeking * iface, LONGLONG * pDuration)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p)\n", pDuration);
EnterCriticalSection(This->crst);
*pDuration = This->llDuration;
ForwardCmdSeek(This->pUserData, fwd_getduration, pDuration);
LeaveCriticalSection(This->crst);
return S_OK;
}
static HRESULT fwd_getstopposition(IMediaSeeking *iface, LPVOID pdur)
{
LONGLONG *duration = pdur;
LONGLONG mydur = *duration;
HRESULT hr;
hr = IMediaSeeking_GetStopPosition(iface, &mydur);
if (FAILED(hr))
return hr;
if ((mydur < *duration) || (*duration < 0 && mydur > 0))
*duration = mydur;
return hr;
}
HRESULT WINAPI MediaSeekingImpl_GetStopPosition(IMediaSeeking * iface, LONGLONG * pStop)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p)\n", pStop);
EnterCriticalSection(This->crst);
*pStop = This->llStop;
ForwardCmdSeek(This->pUserData, fwd_getstopposition, pStop);
LeaveCriticalSection(This->crst);
return S_OK;
}
static HRESULT fwd_getcurposition(IMediaSeeking *iface, LPVOID pdur)
{
LONGLONG *duration = pdur;
LONGLONG mydur = *duration;
HRESULT hr;
hr = IMediaSeeking_GetCurrentPosition(iface, &mydur);
if (FAILED(hr))
return hr;
if ((mydur < *duration) || (*duration < 0 && mydur > 0))
*duration = mydur;
return hr;
}
/* FIXME: Make use of the info the filter should expose */
HRESULT WINAPI MediaSeekingImpl_GetCurrentPosition(IMediaSeeking * iface, LONGLONG * pCurrent)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p)\n", pCurrent);
EnterCriticalSection(This->crst);
*pCurrent = This->llCurrent;
ForwardCmdSeek(This->pUserData, fwd_getcurposition, pCurrent);
LeaveCriticalSection(This->crst);
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_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;
}
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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 MediaSeekingImpl_SetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)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 (llNewCurrent != This->llCurrent)
bChangeCurrent = TRUE;
if (llNewStop != This->llStop)
bChangeStop = TRUE;
This->llCurrent = llNewCurrent;
This->llStop = llNewStop;
if (dwCurrentFlags & AM_SEEKING_ReturnTime)
*pCurrent = llNewCurrent;
if (dwStopFlags & AM_SEEKING_ReturnTime)
*pStop = llNewStop;
if (bChangeCurrent)
This->fnChangeCurrent(This->pUserData);
if (bChangeStop)
This->fnChangeStop(This->pUserData);
LeaveCriticalSection(This->crst);
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_GetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, LONGLONG * pStop)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p, %p)\n", pCurrent, pStop);
EnterCriticalSection(This->crst);
*pCurrent = This->llCurrent;
*pStop = This->llStop;
LeaveCriticalSection(This->crst);
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_GetAvailable(IMediaSeeking * iface, LONGLONG * pEarliest, LONGLONG * pLatest)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p, %p)\n", pEarliest, pLatest);
EnterCriticalSection(This->crst);
*pEarliest = 0;
*pLatest = This->llDuration;
LeaveCriticalSection(This->crst);
return S_OK;
}
static HRESULT fwd_setrate(IMediaSeeking *iface, LPVOID prate)
{
double *rate = prate;
HRESULT hr;
hr = IMediaSeeking_SetRate(iface, *rate);
if (FAILED(hr))
return hr;
return hr;
}
HRESULT WINAPI MediaSeekingImpl_SetRate(IMediaSeeking * iface, double dRate)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)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(This->pUserData);
ForwardCmdSeek(This->pUserData, fwd_setrate, &dRate);
LeaveCriticalSection(This->crst);
return hr;
}
HRESULT WINAPI MediaSeekingImpl_GetRate(IMediaSeeking * iface, double * dRate)
{
MediaSeekingImpl *This = (MediaSeekingImpl *)iface;
TRACE("(%p)\n", dRate);
EnterCriticalSection(This->crst);
/* Forward? */
*dRate = This->dRate;
LeaveCriticalSection(This->crst);
return S_OK;
}
HRESULT WINAPI MediaSeekingImpl_GetPreroll(IMediaSeeking * iface, LONGLONG * pPreroll)
{
TRACE("(%p)\n", pPreroll);
*pPreroll = 0;
return S_OK;
}