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/*
* DirectShow capture interface
* Copyright (c) 2010 Ramiro Polla
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dshow_capture.h"
DECLARE_QUERYINTERFACE(filter, DShowFilter,
{ {&IID_IUnknown,0}, {&IID_IBaseFilter,0} })
DECLARE_ADDREF(filter, DShowFilter)
DECLARE_RELEASE(filter, DShowFilter)
long WINAPI ff_dshow_filter_GetClassID(DShowFilter *this, CLSID *id)
{
dshowdebug("ff_dshow_filter_GetClassID(%p)\n", this);
/* I'm not creating a ClassID just for this. */
return E_FAIL;
}
long WINAPI ff_dshow_filter_Stop(DShowFilter *this)
{
dshowdebug("ff_dshow_filter_Stop(%p)\n", this);
this->state = State_Stopped;
return S_OK;
}
long WINAPI ff_dshow_filter_Pause(DShowFilter *this)
{
dshowdebug("ff_dshow_filter_Pause(%p)\n", this);
this->state = State_Paused;
return S_OK;
}
long WINAPI ff_dshow_filter_Run(DShowFilter *this, REFERENCE_TIME start)
{
dshowdebug("ff_dshow_filter_Run(%p) %"PRId64"\n", this, start);
this->state = State_Running;
this->start_time = start;
return S_OK;
}
long WINAPI ff_dshow_filter_GetState(DShowFilter *this, DWORD ms, FILTER_STATE *state)
{
dshowdebug("ff_dshow_filter_GetState(%p)\n", this);
if (!state)
return E_POINTER;
*state = this->state;
return S_OK;
}
long WINAPI ff_dshow_filter_SetSyncSource(DShowFilter *this, IReferenceClock *clock)
{
dshowdebug("ff_dshow_filter_SetSyncSource(%p)\n", this);
if (this->clock != clock) {
if (this->clock)
IReferenceClock_Release(this->clock);
this->clock = clock;
if (clock)
IReferenceClock_AddRef(clock);
}
return S_OK;
}
long WINAPI ff_dshow_filter_GetSyncSource(DShowFilter *this, IReferenceClock **clock)
{
dshowdebug("ff_dshow_filter_GetSyncSource(%p)\n", this);
if (!clock)
return E_POINTER;
if (this->clock)
IReferenceClock_AddRef(this->clock);
*clock = this->clock;
return S_OK;
}
long WINAPI ff_dshow_filter_EnumPins(DShowFilter *this, IEnumPins **enumpin)
{
DShowEnumPins *new;
dshowdebug("ff_dshow_filter_EnumPins(%p)\n", this);
if (!enumpin)
return E_POINTER;
new = ff_dshow_enumpins_Create(this->pin, this);
if (!new)
return E_OUTOFMEMORY;
*enumpin = (IEnumPins *) new;
return S_OK;
}
long WINAPI ff_dshow_filter_FindPin(DShowFilter *this, const wchar_t *id, IPin **pin)
{
DShowPin *found = NULL;
dshowdebug("ff_dshow_filter_FindPin(%p)\n", this);
if (!id || !pin)
return E_POINTER;
if (!wcscmp(id, L"In")) {
found = this->pin;
ff_dshow_pin_AddRef(found);
}
*pin = (IPin *) found;
if (!found)
return VFW_E_NOT_FOUND;
return S_OK;
}
long WINAPI ff_dshow_filter_QueryFilterInfo(DShowFilter *this, FILTER_INFO *info)
{
dshowdebug("ff_dshow_filter_QueryFilterInfo(%p)\n", this);
if (!info)
return E_POINTER;
if (this->info.pGraph)
IFilterGraph_AddRef(this->info.pGraph);
*info = this->info;
return S_OK;
}
long WINAPI ff_dshow_filter_JoinFilterGraph(DShowFilter *this, IFilterGraph *graph,
const wchar_t *name)
{
dshowdebug("ff_dshow_filter_JoinFilterGraph(%p)\n", this);
this->info.pGraph = graph;
if (name)
wcscpy_s(this->info.achName, sizeof(this->info.achName) / sizeof(wchar_t), name);
return S_OK;
}
long WINAPI ff_dshow_filter_QueryVendorInfo(DShowFilter *this, wchar_t **info)
{
dshowdebug("ff_dshow_filter_QueryVendorInfo(%p)\n", this);
if (!info)
return E_POINTER;
return E_NOTIMPL; /* don't have to do anything here */
}
static int
ff_dshow_filter_Setup(DShowFilter *this, void *priv_data, void *callback,
enum dshowDeviceType type)
{
IBaseFilterVtbl *vtbl = this->vtbl;
SETVTBL(vtbl, filter, QueryInterface);
SETVTBL(vtbl, filter, AddRef);
SETVTBL(vtbl, filter, Release);
SETVTBL(vtbl, filter, GetClassID);
SETVTBL(vtbl, filter, Stop);
SETVTBL(vtbl, filter, Pause);
SETVTBL(vtbl, filter, Run);
SETVTBL(vtbl, filter, GetState);
SETVTBL(vtbl, filter, SetSyncSource);
SETVTBL(vtbl, filter, GetSyncSource);
SETVTBL(vtbl, filter, EnumPins);
SETVTBL(vtbl, filter, FindPin);
SETVTBL(vtbl, filter, QueryFilterInfo);
SETVTBL(vtbl, filter, JoinFilterGraph);
SETVTBL(vtbl, filter, QueryVendorInfo);
this->pin = ff_dshow_pin_Create(this);
this->priv_data = priv_data;
this->callback = callback;
this->type = type;
return 1;
}
static int ff_dshow_filter_Cleanup(DShowFilter *this)
{
ff_dshow_pin_Release(this->pin);
return 1;
}
DECLARE_CREATE(filter, DShowFilter, ff_dshow_filter_Setup(this, priv_data, callback, type),
void *priv_data, void *callback, enum dshowDeviceType type)
DECLARE_DESTROY(filter, DShowFilter, ff_dshow_filter_Cleanup)
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