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dfbb2fc9e0
To get this working by querying the filters for IMediaSeeking and calling GetDuration, we need a little better support from quartz. For now a stub is better than nothing.
611 lines
16 KiB
C
611 lines
16 KiB
C
/* DirectShow Media Detector object (QEDIT.DLL)
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*
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* Copyright 2008 Google (Lei Zhang, Dan Hipschman)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ole2.h"
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#include "qedit_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(qedit);
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typedef struct MediaDetImpl {
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const IMediaDetVtbl *MediaDet_Vtbl;
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LONG refCount;
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IGraphBuilder *graph;
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IBaseFilter *source;
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IBaseFilter *splitter;
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long num_streams;
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long cur_stream;
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IPin *cur_pin;
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} MediaDetImpl;
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static void MD_cleanup(MediaDetImpl *This)
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{
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if (This->cur_pin) IPin_Release(This->cur_pin);
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This->cur_pin = NULL;
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if (This->source) IBaseFilter_Release(This->source);
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This->source = NULL;
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if (This->splitter) IBaseFilter_Release(This->splitter);
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This->splitter = NULL;
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if (This->graph) IGraphBuilder_Release(This->graph);
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This->graph = NULL;
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This->num_streams = -1;
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This->cur_stream = 0;
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}
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static ULONG WINAPI MediaDet_AddRef(IMediaDet* iface)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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ULONG refCount = InterlockedIncrement(&This->refCount);
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TRACE("(%p)->() AddRef from %d\n", This, refCount - 1);
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return refCount;
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}
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static ULONG WINAPI MediaDet_Release(IMediaDet* iface)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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ULONG refCount = InterlockedDecrement(&This->refCount);
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TRACE("(%p)->() Release from %d\n", This, refCount + 1);
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if (refCount == 0)
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{
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MD_cleanup(This);
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CoTaskMemFree(This);
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return 0;
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}
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return refCount;
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}
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static HRESULT WINAPI MediaDet_QueryInterface(IMediaDet* iface, REFIID riid,
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void **ppvObject)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IMediaDet)) {
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MediaDet_AddRef(iface);
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*ppvObject = This;
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return S_OK;
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}
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*ppvObject = NULL;
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WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject);
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return E_NOINTERFACE;
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}
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static HRESULT WINAPI MediaDet_get_Filter(IMediaDet* iface, IUnknown **pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%p): not implemented!\n", This, pVal);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_put_Filter(IMediaDet* iface, IUnknown *newVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%p): not implemented!\n", This, newVal);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_get_OutputStreams(IMediaDet* iface, long *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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IEnumPins *pins;
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IPin *pin;
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HRESULT hr;
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TRACE("(%p)\n", This);
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if (!This->splitter)
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return E_INVALIDARG;
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if (This->num_streams != -1)
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{
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*pVal = This->num_streams;
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return S_OK;
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}
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*pVal = 0;
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hr = IBaseFilter_EnumPins(This->splitter, &pins);
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if (FAILED(hr))
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return hr;
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while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK)
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{
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PIN_DIRECTION dir;
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hr = IPin_QueryDirection(pin, &dir);
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IPin_Release(pin);
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if (FAILED(hr))
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{
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IEnumPins_Release(pins);
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return hr;
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}
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if (dir == PINDIR_OUTPUT)
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++*pVal;
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}
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IEnumPins_Release(pins);
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This->num_streams = *pVal;
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return S_OK;
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}
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static HRESULT WINAPI MediaDet_get_CurrentStream(IMediaDet* iface, long *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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TRACE("(%p)\n", This);
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if (!pVal)
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return E_POINTER;
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*pVal = This->cur_stream;
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return S_OK;
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}
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static HRESULT SetCurPin(MediaDetImpl *This, long strm)
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{
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IEnumPins *pins;
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IPin *pin;
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HRESULT hr;
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assert(This->splitter);
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assert(0 <= strm && strm < This->num_streams);
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if (This->cur_pin)
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{
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IPin_Release(This->cur_pin);
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This->cur_pin = NULL;
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}
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hr = IBaseFilter_EnumPins(This->splitter, &pins);
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if (FAILED(hr))
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return hr;
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while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK && !This->cur_pin)
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{
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PIN_DIRECTION dir;
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hr = IPin_QueryDirection(pin, &dir);
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if (FAILED(hr))
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{
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IPin_Release(pin);
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IEnumPins_Release(pins);
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return hr;
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}
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if (dir == PINDIR_OUTPUT && strm-- == 0)
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This->cur_pin = pin;
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else
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IPin_Release(pin);
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}
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IEnumPins_Release(pins);
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assert(This->cur_pin);
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return S_OK;
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}
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static HRESULT WINAPI MediaDet_put_CurrentStream(IMediaDet* iface, long newVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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HRESULT hr;
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TRACE("(%p)->(%ld)\n", This, newVal);
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if (This->num_streams == -1)
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{
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long n;
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hr = MediaDet_get_OutputStreams(iface, &n);
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if (FAILED(hr))
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return hr;
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}
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if (newVal < 0 || This->num_streams <= newVal)
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return E_INVALIDARG;
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hr = SetCurPin(This, newVal);
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if (FAILED(hr))
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return hr;
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This->cur_stream = newVal;
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return S_OK;
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}
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static HRESULT WINAPI MediaDet_get_StreamType(IMediaDet* iface, GUID *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%p): not implemented!\n", This, debugstr_guid(pVal));
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_get_StreamTypeB(IMediaDet* iface, BSTR *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%p): not implemented!\n", This, pVal);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_get_StreamLength(IMediaDet* iface, double *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p): stub!\n", This);
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return VFW_E_INVALIDMEDIATYPE;
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}
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static HRESULT WINAPI MediaDet_get_Filename(IMediaDet* iface, BSTR *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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IFileSourceFilter *file;
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LPOLESTR name;
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HRESULT hr;
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TRACE("(%p)\n", This);
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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/* MSDN says it should return E_FAIL if no file is open, but tests
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show otherwise. */
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if (!This->source)
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return S_OK;
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hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
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(void **) &file);
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if (FAILED(hr))
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return hr;
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hr = IFileSourceFilter_GetCurFile(file, &name, NULL);
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IFileSourceFilter_Release(file);
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if (FAILED(hr))
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return hr;
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*pVal = SysAllocString(name);
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CoTaskMemFree(name);
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if (!*pVal)
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return E_OUTOFMEMORY;
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return S_OK;
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}
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/* From quartz, 2008/04/07 */
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static HRESULT GetFilterInfo(IMoniker *pMoniker, GUID *pclsid, VARIANT *pvar)
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{
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static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
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static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
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IPropertyBag *pPropBagCat = NULL;
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HRESULT hr;
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VariantInit(pvar);
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V_VT(pvar) = VT_BSTR;
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hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag,
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(LPVOID *) &pPropBagCat);
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if (SUCCEEDED(hr))
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hr = IPropertyBag_Read(pPropBagCat, wszClsidName, pvar, NULL);
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if (SUCCEEDED(hr))
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hr = CLSIDFromString(V_UNION(pvar, bstrVal), pclsid);
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if (SUCCEEDED(hr))
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hr = IPropertyBag_Read(pPropBagCat, wszFriendlyName, pvar, NULL);
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if (SUCCEEDED(hr))
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TRACE("Moniker = %s - %s\n", debugstr_guid(pclsid),
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debugstr_w(V_UNION(pvar, bstrVal)));
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if (pPropBagCat)
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IPropertyBag_Release(pPropBagCat);
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return hr;
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}
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static HRESULT GetSplitter(MediaDetImpl *This)
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{
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IFileSourceFilter *file;
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LPOLESTR name;
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AM_MEDIA_TYPE mt;
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GUID type[2];
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IFilterMapper2 *map;
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IEnumMoniker *filters;
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IMoniker *mon;
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VARIANT var;
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GUID clsid;
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IBaseFilter *splitter;
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IEnumPins *pins;
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IPin *source_pin, *splitter_pin;
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HRESULT hr;
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hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
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&IID_IFilterMapper2, (void **) &map);
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if (FAILED(hr))
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return hr;
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hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
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(void **) &file);
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if (FAILED(hr))
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{
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IFilterMapper2_Release(map);
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return hr;
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}
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hr = IFileSourceFilter_GetCurFile(file, &name, &mt);
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IFileSourceFilter_Release(file);
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CoTaskMemFree(name);
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if (FAILED(hr))
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{
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IFilterMapper2_Release(map);
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return hr;
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}
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type[0] = mt.majortype;
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type[1] = mt.subtype;
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CoTaskMemFree(mt.pbFormat);
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hr = IFilterMapper2_EnumMatchingFilters(map, &filters, 0, TRUE,
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MERIT_UNLIKELY, FALSE, 1, type,
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NULL, NULL, FALSE, TRUE,
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0, NULL, NULL, NULL);
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IFilterMapper2_Release(map);
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if (FAILED(hr))
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return hr;
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hr = IEnumMoniker_Next(filters, 1, &mon, NULL);
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IEnumMoniker_Release(filters);
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if (hr != S_OK) /* No matches, what do we do? */
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return E_NOINTERFACE;
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hr = GetFilterInfo(mon, &clsid, &var);
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IMoniker_Release(mon);
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if (FAILED(hr))
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return hr;
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hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER,
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&IID_IBaseFilter, (void **) &splitter);
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if (FAILED(hr))
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return hr;
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hr = IGraphBuilder_AddFilter(This->graph, splitter,
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V_UNION(&var, bstrVal));
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if (FAILED(hr))
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{
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IBaseFilter_Release(splitter);
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return hr;
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}
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This->splitter = splitter;
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hr = IBaseFilter_EnumPins(This->source, &pins);
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if (FAILED(hr))
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return hr;
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IEnumPins_Next(pins, 1, &source_pin, NULL);
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IEnumPins_Release(pins);
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hr = IBaseFilter_EnumPins(splitter, &pins);
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if (FAILED(hr))
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{
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IPin_Release(source_pin);
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return hr;
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}
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IEnumPins_Next(pins, 1, &splitter_pin, NULL);
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IEnumPins_Release(pins);
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hr = IPin_Connect(source_pin, splitter_pin, NULL);
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IPin_Release(source_pin);
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IPin_Release(splitter_pin);
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if (FAILED(hr))
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return hr;
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return S_OK;
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}
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static HRESULT WINAPI MediaDet_put_Filename(IMediaDet* iface, BSTR newVal)
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{
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static const WCHAR reader[] = {'R','e','a','d','e','r',0};
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MediaDetImpl *This = (MediaDetImpl *)iface;
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IGraphBuilder *gb;
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IBaseFilter *bf;
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HRESULT hr;
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TRACE("(%p)->(%s)\n", This, debugstr_w(newVal));
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if (This->graph)
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{
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WARN("MSDN says not to call this method twice\n");
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MD_cleanup(This);
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}
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hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
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&IID_IGraphBuilder, (void **) &gb);
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if (FAILED(hr))
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return hr;
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hr = IGraphBuilder_AddSourceFilter(gb, newVal, reader, &bf);
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if (FAILED(hr))
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{
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IGraphBuilder_Release(gb);
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return hr;
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}
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This->graph = gb;
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This->source = bf;
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hr = GetSplitter(This);
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if (FAILED(hr))
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return hr;
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return MediaDet_put_CurrentStream(iface, 0);
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}
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static HRESULT WINAPI MediaDet_GetBitmapBits(IMediaDet* iface,
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double StreamTime,
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long *pBufferSize, char *pBuffer,
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long Width, long Height)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%f %p %p %ld %ld): not implemented!\n", This, StreamTime, pBufferSize, pBuffer,
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Width, Height);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_WriteBitmapBits(IMediaDet* iface,
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double StreamTime, long Width,
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long Height, BSTR Filename)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%f %ld %ld %p): not implemented!\n", This, StreamTime, Width, Height, Filename);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_get_StreamMediaType(IMediaDet* iface,
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AM_MEDIA_TYPE *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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IEnumMediaTypes *types;
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AM_MEDIA_TYPE *pmt;
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HRESULT hr;
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TRACE("(%p)\n", This);
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if (!pVal)
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return E_POINTER;
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if (!This->cur_pin)
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return E_INVALIDARG;
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hr = IPin_EnumMediaTypes(This->cur_pin, &types);
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if (SUCCEEDED(hr))
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{
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hr = (IEnumMediaTypes_Next(types, 1, &pmt, NULL) == S_OK
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? S_OK
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: E_NOINTERFACE);
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IEnumMediaTypes_Release(types);
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}
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if (SUCCEEDED(hr))
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{
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*pVal = *pmt;
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CoTaskMemFree(pmt);
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}
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return hr;
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}
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static HRESULT WINAPI MediaDet_GetSampleGrabber(IMediaDet* iface,
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ISampleGrabber **ppVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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FIXME("(%p)->(%p): not implemented!\n", This, ppVal);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MediaDet_get_FrameRate(IMediaDet* iface, double *pVal)
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{
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MediaDetImpl *This = (MediaDetImpl *)iface;
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AM_MEDIA_TYPE mt;
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VIDEOINFOHEADER *vh;
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HRESULT hr;
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TRACE("(%p)\n", This);
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if (!pVal)
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return E_POINTER;
|
|
|
|
hr = MediaDet_get_StreamMediaType(iface, &mt);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
if (!IsEqualGUID(&mt.majortype, &MEDIATYPE_Video))
|
|
{
|
|
CoTaskMemFree(mt.pbFormat);
|
|
return VFW_E_INVALIDMEDIATYPE;
|
|
}
|
|
|
|
vh = (VIDEOINFOHEADER *) mt.pbFormat;
|
|
*pVal = 1.0e7 / (double) vh->AvgTimePerFrame;
|
|
|
|
CoTaskMemFree(mt.pbFormat);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI MediaDet_EnterBitmapGrabMode(IMediaDet* iface,
|
|
double SeekTime)
|
|
{
|
|
MediaDetImpl *This = (MediaDetImpl *)iface;
|
|
FIXME("(%p)->(%f): not implemented!\n", This, SeekTime);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IMediaDetVtbl IMediaDet_VTable =
|
|
{
|
|
MediaDet_QueryInterface,
|
|
MediaDet_AddRef,
|
|
MediaDet_Release,
|
|
MediaDet_get_Filter,
|
|
MediaDet_put_Filter,
|
|
MediaDet_get_OutputStreams,
|
|
MediaDet_get_CurrentStream,
|
|
MediaDet_put_CurrentStream,
|
|
MediaDet_get_StreamType,
|
|
MediaDet_get_StreamTypeB,
|
|
MediaDet_get_StreamLength,
|
|
MediaDet_get_Filename,
|
|
MediaDet_put_Filename,
|
|
MediaDet_GetBitmapBits,
|
|
MediaDet_WriteBitmapBits,
|
|
MediaDet_get_StreamMediaType,
|
|
MediaDet_GetSampleGrabber,
|
|
MediaDet_get_FrameRate,
|
|
MediaDet_EnterBitmapGrabMode,
|
|
};
|
|
|
|
HRESULT MediaDet_create(IUnknown * pUnkOuter, LPVOID * ppv) {
|
|
MediaDetImpl* obj = NULL;
|
|
|
|
TRACE("(%p,%p)\n", ppv, pUnkOuter);
|
|
|
|
if (pUnkOuter)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
obj = CoTaskMemAlloc(sizeof(MediaDetImpl));
|
|
if (NULL == obj) {
|
|
*ppv = NULL;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
ZeroMemory(obj, sizeof(MediaDetImpl));
|
|
|
|
obj->refCount = 1;
|
|
obj->MediaDet_Vtbl = &IMediaDet_VTable;
|
|
obj->graph = NULL;
|
|
obj->source = NULL;
|
|
obj->splitter = NULL;
|
|
obj->cur_pin = NULL;
|
|
obj->num_streams = -1;
|
|
obj->cur_stream = 0;
|
|
*ppv = obj;
|
|
|
|
return S_OK;
|
|
}
|