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Sweden-Number/dlls/qedit/mediadet.c

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/* DirectShow Media Detector object (QEDIT.DLL)
*
* Copyright 2008 Google (Lei Zhang, Dan Hipschman)
*
* 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
*/
#include <assert.h>
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "qedit_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(qedit);
typedef struct MediaDetImpl {
const IMediaDetVtbl *MediaDet_Vtbl;
LONG refCount;
IGraphBuilder *graph;
IBaseFilter *source;
IBaseFilter *splitter;
LONG num_streams;
LONG cur_stream;
IPin *cur_pin;
} MediaDetImpl;
static void MD_cleanup(MediaDetImpl *This)
{
if (This->cur_pin) IPin_Release(This->cur_pin);
This->cur_pin = NULL;
if (This->source) IBaseFilter_Release(This->source);
This->source = NULL;
if (This->splitter) IBaseFilter_Release(This->splitter);
This->splitter = NULL;
if (This->graph) IGraphBuilder_Release(This->graph);
This->graph = NULL;
This->num_streams = -1;
This->cur_stream = 0;
}
static ULONG WINAPI MediaDet_AddRef(IMediaDet* iface)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->refCount);
TRACE("(%p)->() AddRef from %d\n", This, refCount - 1);
return refCount;
}
static ULONG WINAPI MediaDet_Release(IMediaDet* iface)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->refCount);
TRACE("(%p)->() Release from %d\n", This, refCount + 1);
if (refCount == 0)
{
MD_cleanup(This);
CoTaskMemFree(This);
return 0;
}
return refCount;
}
static HRESULT WINAPI MediaDet_QueryInterface(IMediaDet* iface, REFIID riid,
void **ppvObject)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IMediaDet)) {
MediaDet_AddRef(iface);
*ppvObject = This;
return S_OK;
}
*ppvObject = NULL;
WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject);
return E_NOINTERFACE;
}
static HRESULT WINAPI MediaDet_get_Filter(IMediaDet* iface, IUnknown **pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%p): not implemented!\n", This, pVal);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_put_Filter(IMediaDet* iface, IUnknown *newVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%p): not implemented!\n", This, newVal);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_get_OutputStreams(IMediaDet* iface, LONG *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
IEnumPins *pins;
IPin *pin;
HRESULT hr;
TRACE("(%p)\n", This);
if (!This->splitter)
return E_INVALIDARG;
if (This->num_streams != -1)
{
*pVal = This->num_streams;
return S_OK;
}
*pVal = 0;
hr = IBaseFilter_EnumPins(This->splitter, &pins);
if (FAILED(hr))
return hr;
while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK)
{
PIN_DIRECTION dir;
hr = IPin_QueryDirection(pin, &dir);
IPin_Release(pin);
if (FAILED(hr))
{
IEnumPins_Release(pins);
return hr;
}
if (dir == PINDIR_OUTPUT)
++*pVal;
}
IEnumPins_Release(pins);
This->num_streams = *pVal;
return S_OK;
}
static HRESULT WINAPI MediaDet_get_CurrentStream(IMediaDet* iface, LONG *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
TRACE("(%p)\n", This);
if (!pVal)
return E_POINTER;
*pVal = This->cur_stream;
return S_OK;
}
static HRESULT SetCurPin(MediaDetImpl *This, LONG strm)
{
IEnumPins *pins;
IPin *pin;
HRESULT hr;
assert(This->splitter);
assert(0 <= strm && strm < This->num_streams);
if (This->cur_pin)
{
IPin_Release(This->cur_pin);
This->cur_pin = NULL;
}
hr = IBaseFilter_EnumPins(This->splitter, &pins);
if (FAILED(hr))
return hr;
while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK && !This->cur_pin)
{
PIN_DIRECTION dir;
hr = IPin_QueryDirection(pin, &dir);
if (FAILED(hr))
{
IPin_Release(pin);
IEnumPins_Release(pins);
return hr;
}
if (dir == PINDIR_OUTPUT && strm-- == 0)
This->cur_pin = pin;
else
IPin_Release(pin);
}
IEnumPins_Release(pins);
assert(This->cur_pin);
return S_OK;
}
static HRESULT WINAPI MediaDet_put_CurrentStream(IMediaDet* iface, LONG newVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
HRESULT hr;
TRACE("(%p)->(%d)\n", This, newVal);
if (This->num_streams == -1)
{
LONG n;
hr = MediaDet_get_OutputStreams(iface, &n);
if (FAILED(hr))
return hr;
}
if (newVal < 0 || This->num_streams <= newVal)
return E_INVALIDARG;
hr = SetCurPin(This, newVal);
if (FAILED(hr))
return hr;
This->cur_stream = newVal;
return S_OK;
}
static HRESULT WINAPI MediaDet_get_StreamType(IMediaDet* iface, GUID *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%p): not implemented!\n", This, debugstr_guid(pVal));
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_get_StreamTypeB(IMediaDet* iface, BSTR *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%p): not implemented!\n", This, pVal);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_get_StreamLength(IMediaDet* iface, double *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p): stub!\n", This);
return VFW_E_INVALIDMEDIATYPE;
}
static HRESULT WINAPI MediaDet_get_Filename(IMediaDet* iface, BSTR *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
IFileSourceFilter *file;
LPOLESTR name;
HRESULT hr;
TRACE("(%p)\n", This);
if (!pVal)
return E_POINTER;
*pVal = NULL;
/* MSDN says it should return E_FAIL if no file is open, but tests
show otherwise. */
if (!This->source)
return S_OK;
hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
(void **) &file);
if (FAILED(hr))
return hr;
hr = IFileSourceFilter_GetCurFile(file, &name, NULL);
IFileSourceFilter_Release(file);
if (FAILED(hr))
return hr;
*pVal = SysAllocString(name);
CoTaskMemFree(name);
if (!*pVal)
return E_OUTOFMEMORY;
return S_OK;
}
/* From quartz, 2008/04/07 */
static HRESULT GetFilterInfo(IMoniker *pMoniker, GUID *pclsid, VARIANT *pvar)
{
static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
IPropertyBag *pPropBagCat = NULL;
HRESULT hr;
VariantInit(pvar);
V_VT(pvar) = VT_BSTR;
hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag,
(LPVOID *) &pPropBagCat);
if (SUCCEEDED(hr))
hr = IPropertyBag_Read(pPropBagCat, wszClsidName, pvar, NULL);
if (SUCCEEDED(hr))
{
hr = CLSIDFromString(V_UNION(pvar, bstrVal), pclsid);
VariantClear(pvar);
V_VT(pvar) = VT_BSTR;
}
if (SUCCEEDED(hr))
hr = IPropertyBag_Read(pPropBagCat, wszFriendlyName, pvar, NULL);
if (SUCCEEDED(hr))
TRACE("Moniker = %s - %s\n", debugstr_guid(pclsid),
debugstr_w(V_UNION(pvar, bstrVal)));
if (pPropBagCat)
IPropertyBag_Release(pPropBagCat);
return hr;
}
static HRESULT GetSplitter(MediaDetImpl *This)
{
IFileSourceFilter *file;
LPOLESTR name;
AM_MEDIA_TYPE mt;
GUID type[2];
IFilterMapper2 *map;
IEnumMoniker *filters;
IMoniker *mon;
VARIANT var;
GUID clsid;
IBaseFilter *splitter;
IEnumPins *pins;
IPin *source_pin, *splitter_pin;
HRESULT hr;
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
&IID_IFilterMapper2, (void **) &map);
if (FAILED(hr))
return hr;
hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
(void **) &file);
if (FAILED(hr))
{
IFilterMapper2_Release(map);
return hr;
}
hr = IFileSourceFilter_GetCurFile(file, &name, &mt);
IFileSourceFilter_Release(file);
CoTaskMemFree(name);
if (FAILED(hr))
{
IFilterMapper2_Release(map);
return hr;
}
type[0] = mt.majortype;
type[1] = mt.subtype;
CoTaskMemFree(mt.pbFormat);
hr = IFilterMapper2_EnumMatchingFilters(map, &filters, 0, TRUE,
MERIT_UNLIKELY, FALSE, 1, type,
NULL, NULL, FALSE, TRUE,
0, NULL, NULL, NULL);
IFilterMapper2_Release(map);
if (FAILED(hr))
return hr;
hr = E_NOINTERFACE;
while (IEnumMoniker_Next(filters, 1, &mon, NULL) == S_OK)
{
hr = GetFilterInfo(mon, &clsid, &var);
IMoniker_Release(mon);
if (FAILED(hr))
continue;
hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER,
&IID_IBaseFilter, (void **) &splitter);
if (FAILED(hr))
{
VariantClear(&var);
goto retry;
}
hr = IGraphBuilder_AddFilter(This->graph, splitter,
V_UNION(&var, bstrVal));
VariantClear(&var);
This->splitter = splitter;
if (FAILED(hr))
goto retry;
hr = IBaseFilter_EnumPins(This->source, &pins);
if (FAILED(hr))
goto retry;
IEnumPins_Next(pins, 1, &source_pin, NULL);
IEnumPins_Release(pins);
hr = IBaseFilter_EnumPins(splitter, &pins);
if (FAILED(hr))
{
IPin_Release(source_pin);
goto retry;
}
IEnumPins_Next(pins, 1, &splitter_pin, NULL);
IEnumPins_Release(pins);
hr = IPin_Connect(source_pin, splitter_pin, NULL);
IPin_Release(source_pin);
IPin_Release(splitter_pin);
if (SUCCEEDED(hr))
break;
retry:
IBaseFilter_Release(splitter);
This->splitter = NULL;
}
IEnumMoniker_Release(filters);
if (FAILED(hr))
return hr;
return S_OK;
}
static HRESULT WINAPI MediaDet_put_Filename(IMediaDet* iface, BSTR newVal)
{
static const WCHAR reader[] = {'R','e','a','d','e','r',0};
MediaDetImpl *This = (MediaDetImpl *)iface;
IGraphBuilder *gb;
IBaseFilter *bf;
HRESULT hr;
TRACE("(%p)->(%s)\n", This, debugstr_w(newVal));
if (This->graph)
{
WARN("MSDN says not to call this method twice\n");
MD_cleanup(This);
}
hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &gb);
if (FAILED(hr))
return hr;
hr = IGraphBuilder_AddSourceFilter(gb, newVal, reader, &bf);
if (FAILED(hr))
{
IGraphBuilder_Release(gb);
return hr;
}
This->graph = gb;
This->source = bf;
hr = GetSplitter(This);
if (FAILED(hr))
return hr;
return MediaDet_put_CurrentStream(iface, 0);
}
static HRESULT WINAPI MediaDet_GetBitmapBits(IMediaDet* iface,
double StreamTime,
LONG *pBufferSize, char *pBuffer,
LONG Width, LONG Height)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%f %p %p %d %d): not implemented!\n", This, StreamTime, pBufferSize, pBuffer,
Width, Height);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_WriteBitmapBits(IMediaDet* iface,
double StreamTime, LONG Width,
LONG Height, BSTR Filename)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%f %d %d %p): not implemented!\n", This, StreamTime, Width, Height, Filename);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_get_StreamMediaType(IMediaDet* iface,
AM_MEDIA_TYPE *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
IEnumMediaTypes *types;
AM_MEDIA_TYPE *pmt;
HRESULT hr;
TRACE("(%p)\n", This);
if (!pVal)
return E_POINTER;
if (!This->cur_pin)
return E_INVALIDARG;
hr = IPin_EnumMediaTypes(This->cur_pin, &types);
if (SUCCEEDED(hr))
{
hr = (IEnumMediaTypes_Next(types, 1, &pmt, NULL) == S_OK
? S_OK
: E_NOINTERFACE);
IEnumMediaTypes_Release(types);
}
if (SUCCEEDED(hr))
{
*pVal = *pmt;
CoTaskMemFree(pmt);
}
return hr;
}
static HRESULT WINAPI MediaDet_GetSampleGrabber(IMediaDet* iface,
ISampleGrabber **ppVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
FIXME("(%p)->(%p): not implemented!\n", This, ppVal);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaDet_get_FrameRate(IMediaDet* iface, double *pVal)
{
MediaDetImpl *This = (MediaDetImpl *)iface;
AM_MEDIA_TYPE mt;
VIDEOINFOHEADER *vh;
HRESULT hr;
TRACE("(%p)\n", This);
if (!pVal)
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;
}
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