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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(libAVFilter,
{ {&IID_IUnknown,0}, {&IID_IBaseFilter,0} })
DECLARE_ADDREF(libAVFilter)
DECLARE_RELEASE(libAVFilter)
long WINAPI
libAVFilter_GetClassID(libAVFilter *this, CLSID *id)
{
dshowdebug("libAVFilter_GetClassID(%p)\n", this);
/* I'm not creating a ClassID just for this. */
return E_FAIL;
}
long WINAPI
libAVFilter_Stop(libAVFilter *this)
{
dshowdebug("libAVFilter_Stop(%p)\n", this);
this->state = State_Stopped;
return S_OK;
}
long WINAPI
libAVFilter_Pause(libAVFilter *this)
{
dshowdebug("libAVFilter_Pause(%p)\n", this);
this->state = State_Paused;
return S_OK;
}
long WINAPI
libAVFilter_Run(libAVFilter *this, REFERENCE_TIME start)
{
dshowdebug("libAVFilter_Run(%p) %"PRId64"\n", this, start);
this->state = State_Running;
this->start_time = start;
return S_OK;
}
long WINAPI
libAVFilter_GetState(libAVFilter *this, DWORD ms, FILTER_STATE *state)
{
dshowdebug("libAVFilter_GetState(%p)\n", this);
if (!state)
return E_POINTER;
*state = this->state;
return S_OK;
}
long WINAPI
libAVFilter_SetSyncSource(libAVFilter *this, IReferenceClock *clock)
{
dshowdebug("libAVFilter_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
libAVFilter_GetSyncSource(libAVFilter *this, IReferenceClock **clock)
{
dshowdebug("libAVFilter_GetSyncSource(%p)\n", this);
if (!clock)
return E_POINTER;
if (this->clock)
IReferenceClock_AddRef(this->clock);
*clock = this->clock;
return S_OK;
}
long WINAPI
libAVFilter_EnumPins(libAVFilter *this, IEnumPins **enumpin)
{
libAVEnumPins *new;
dshowdebug("libAVFilter_EnumPins(%p)\n", this);
if (!enumpin)
return E_POINTER;
new = libAVEnumPins_Create(this->pin, this);
if (!new)
return E_OUTOFMEMORY;
*enumpin = (IEnumPins *) new;
return S_OK;
}
long WINAPI
libAVFilter_FindPin(libAVFilter *this, const wchar_t *id, IPin **pin)
{
libAVPin *found = NULL;
dshowdebug("libAVFilter_FindPin(%p)\n", this);
if (!id || !pin)
return E_POINTER;
if (!wcscmp(id, L"In")) {
found = this->pin;
libAVPin_AddRef(found);
}
*pin = (IPin *) found;
if (!found)
return VFW_E_NOT_FOUND;
return S_OK;
}
long WINAPI
libAVFilter_QueryFilterInfo(libAVFilter *this, FILTER_INFO *info)
{
dshowdebug("libAVFilter_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
libAVFilter_JoinFilterGraph(libAVFilter *this, IFilterGraph *graph,
const wchar_t *name)
{
dshowdebug("libAVFilter_JoinFilterGraph(%p)\n", this);
this->info.pGraph = graph;
if (name)
wcscpy(this->info.achName, name);
return S_OK;
}
long WINAPI
libAVFilter_QueryVendorInfo(libAVFilter *this, wchar_t **info)
{
dshowdebug("libAVFilter_QueryVendorInfo(%p)\n", this);
if (!info)
return E_POINTER;
*info = wcsdup(L"libAV");
return S_OK;
}
static int
libAVFilter_Setup(libAVFilter *this, void *priv_data, void *callback,
enum dshowDeviceType type)
{
IBaseFilterVtbl *vtbl = this->vtbl;
SETVTBL(vtbl, libAVFilter, QueryInterface);
SETVTBL(vtbl, libAVFilter, AddRef);
SETVTBL(vtbl, libAVFilter, Release);
SETVTBL(vtbl, libAVFilter, GetClassID);
SETVTBL(vtbl, libAVFilter, Stop);
SETVTBL(vtbl, libAVFilter, Pause);
SETVTBL(vtbl, libAVFilter, Run);
SETVTBL(vtbl, libAVFilter, GetState);
SETVTBL(vtbl, libAVFilter, SetSyncSource);
SETVTBL(vtbl, libAVFilter, GetSyncSource);
SETVTBL(vtbl, libAVFilter, EnumPins);
SETVTBL(vtbl, libAVFilter, FindPin);
SETVTBL(vtbl, libAVFilter, QueryFilterInfo);
SETVTBL(vtbl, libAVFilter, JoinFilterGraph);
SETVTBL(vtbl, libAVFilter, QueryVendorInfo);
this->pin = libAVPin_Create(this);
this->priv_data = priv_data;
this->callback = callback;
this->type = type;
return 1;
}
static int
libAVFilter_Cleanup(libAVFilter *this)
{
libAVPin_Release(this->pin);
return 1;
}
DECLARE_CREATE(libAVFilter, libAVFilter_Setup(this, priv_data, callback, type),
void *priv_data, void *callback, enum dshowDeviceType type)
DECLARE_DESTROY(libAVFilter, libAVFilter_Cleanup)
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