yading@10: /*
yading@10:  * DirectShow capture interface
yading@10:  * Copyright (c) 2010 Ramiro Polla
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include "dshow_capture.h"
yading@10: 
yading@10: DECLARE_QUERYINTERFACE(libAVFilter,
yading@10:     { {&IID_IUnknown,0}, {&IID_IBaseFilter,0} })
yading@10: DECLARE_ADDREF(libAVFilter)
yading@10: DECLARE_RELEASE(libAVFilter)
yading@10: 
yading@10: long WINAPI
yading@10: libAVFilter_GetClassID(libAVFilter *this, CLSID *id)
yading@10: {
yading@10:     dshowdebug("libAVFilter_GetClassID(%p)\n", this);
yading@10:     /* I'm not creating a ClassID just for this. */
yading@10:     return E_FAIL;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_Stop(libAVFilter *this)
yading@10: {
yading@10:     dshowdebug("libAVFilter_Stop(%p)\n", this);
yading@10:     this->state = State_Stopped;
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_Pause(libAVFilter *this)
yading@10: {
yading@10:     dshowdebug("libAVFilter_Pause(%p)\n", this);
yading@10:     this->state = State_Paused;
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_Run(libAVFilter *this, REFERENCE_TIME start)
yading@10: {
yading@10:     dshowdebug("libAVFilter_Run(%p) %"PRId64"\n", this, start);
yading@10:     this->state = State_Running;
yading@10:     this->start_time = start;
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_GetState(libAVFilter *this, DWORD ms, FILTER_STATE *state)
yading@10: {
yading@10:     dshowdebug("libAVFilter_GetState(%p)\n", this);
yading@10:     if (!state)
yading@10:         return E_POINTER;
yading@10:     *state = this->state;
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_SetSyncSource(libAVFilter *this, IReferenceClock *clock)
yading@10: {
yading@10:     dshowdebug("libAVFilter_SetSyncSource(%p)\n", this);
yading@10: 
yading@10:     if (this->clock != clock) {
yading@10:         if (this->clock)
yading@10:             IReferenceClock_Release(this->clock);
yading@10:         this->clock = clock;
yading@10:         if (clock)
yading@10:             IReferenceClock_AddRef(clock);
yading@10:     }
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_GetSyncSource(libAVFilter *this, IReferenceClock **clock)
yading@10: {
yading@10:     dshowdebug("libAVFilter_GetSyncSource(%p)\n", this);
yading@10: 
yading@10:     if (!clock)
yading@10:         return E_POINTER;
yading@10:     if (this->clock)
yading@10:         IReferenceClock_AddRef(this->clock);
yading@10:     *clock = this->clock;
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_EnumPins(libAVFilter *this, IEnumPins **enumpin)
yading@10: {
yading@10:     libAVEnumPins *new;
yading@10:     dshowdebug("libAVFilter_EnumPins(%p)\n", this);
yading@10: 
yading@10:     if (!enumpin)
yading@10:         return E_POINTER;
yading@10:     new = libAVEnumPins_Create(this->pin, this);
yading@10:     if (!new)
yading@10:         return E_OUTOFMEMORY;
yading@10: 
yading@10:     *enumpin = (IEnumPins *) new;
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_FindPin(libAVFilter *this, const wchar_t *id, IPin **pin)
yading@10: {
yading@10:     libAVPin *found = NULL;
yading@10:     dshowdebug("libAVFilter_FindPin(%p)\n", this);
yading@10: 
yading@10:     if (!id || !pin)
yading@10:         return E_POINTER;
yading@10:     if (!wcscmp(id, L"In")) {
yading@10:         found = this->pin;
yading@10:         libAVPin_AddRef(found);
yading@10:     }
yading@10:     *pin = (IPin *) found;
yading@10:     if (!found)
yading@10:         return VFW_E_NOT_FOUND;
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_QueryFilterInfo(libAVFilter *this, FILTER_INFO *info)
yading@10: {
yading@10:     dshowdebug("libAVFilter_QueryFilterInfo(%p)\n", this);
yading@10: 
yading@10:     if (!info)
yading@10:         return E_POINTER;
yading@10:     if (this->info.pGraph)
yading@10:         IFilterGraph_AddRef(this->info.pGraph);
yading@10:     *info = this->info;
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_JoinFilterGraph(libAVFilter *this, IFilterGraph *graph,
yading@10:                             const wchar_t *name)
yading@10: {
yading@10:     dshowdebug("libAVFilter_JoinFilterGraph(%p)\n", this);
yading@10: 
yading@10:     this->info.pGraph = graph;
yading@10:     if (name)
yading@10:         wcscpy(this->info.achName, name);
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: long WINAPI
yading@10: libAVFilter_QueryVendorInfo(libAVFilter *this, wchar_t **info)
yading@10: {
yading@10:     dshowdebug("libAVFilter_QueryVendorInfo(%p)\n", this);
yading@10: 
yading@10:     if (!info)
yading@10:         return E_POINTER;
yading@10:     *info = wcsdup(L"libAV");
yading@10: 
yading@10:     return S_OK;
yading@10: }
yading@10: 
yading@10: static int
yading@10: libAVFilter_Setup(libAVFilter *this, void *priv_data, void *callback,
yading@10:                   enum dshowDeviceType type)
yading@10: {
yading@10:     IBaseFilterVtbl *vtbl = this->vtbl;
yading@10:     SETVTBL(vtbl, libAVFilter, QueryInterface);
yading@10:     SETVTBL(vtbl, libAVFilter, AddRef);
yading@10:     SETVTBL(vtbl, libAVFilter, Release);
yading@10:     SETVTBL(vtbl, libAVFilter, GetClassID);
yading@10:     SETVTBL(vtbl, libAVFilter, Stop);
yading@10:     SETVTBL(vtbl, libAVFilter, Pause);
yading@10:     SETVTBL(vtbl, libAVFilter, Run);
yading@10:     SETVTBL(vtbl, libAVFilter, GetState);
yading@10:     SETVTBL(vtbl, libAVFilter, SetSyncSource);
yading@10:     SETVTBL(vtbl, libAVFilter, GetSyncSource);
yading@10:     SETVTBL(vtbl, libAVFilter, EnumPins);
yading@10:     SETVTBL(vtbl, libAVFilter, FindPin);
yading@10:     SETVTBL(vtbl, libAVFilter, QueryFilterInfo);
yading@10:     SETVTBL(vtbl, libAVFilter, JoinFilterGraph);
yading@10:     SETVTBL(vtbl, libAVFilter, QueryVendorInfo);
yading@10: 
yading@10:     this->pin = libAVPin_Create(this);
yading@10: 
yading@10:     this->priv_data = priv_data;
yading@10:     this->callback  = callback;
yading@10:     this->type      = type;
yading@10: 
yading@10:     return 1;
yading@10: }
yading@10: static int
yading@10: libAVFilter_Cleanup(libAVFilter *this)
yading@10: {
yading@10:     libAVPin_Release(this->pin);
yading@10:     return 1;
yading@10: }
yading@10: DECLARE_CREATE(libAVFilter, libAVFilter_Setup(this, priv_data, callback, type),
yading@10:                void *priv_data, void *callback, enum dshowDeviceType type)
yading@10: DECLARE_DESTROY(libAVFilter, libAVFilter_Cleanup)