static void test_ifiltermapper_from_filtergraph(void)
{
IFilterGraph2* pgraph2 = NULL;
IFilterMapper2 *pMapper2 = NULL;
IFilterGraph *filtergraph = NULL;
HRESULT hr;
ULONG refcount;
hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterGraph2, (LPVOID*)&pgraph2);
ok(hr == S_OK, "CoCreateInstance failed with %08x\n", hr);
if (!pgraph2) goto out;
hr = IFilterGraph2_QueryInterface(pgraph2, &IID_IFilterMapper2, (LPVOID*)&pMapper2);
ok(hr == S_OK, "IFilterGraph2_QueryInterface failed with %08x\n", hr);
if (!pMapper2) goto out;
refcount = getRefcount((IUnknown*)pgraph2);
ok(refcount == 2, "unexpected reference count: %u\n", refcount);
refcount = getRefcount((IUnknown*)pMapper2);
ok(refcount == 2, "unexpected reference count: %u\n", refcount);
IFilterMapper2_AddRef(pMapper2);
refcount = getRefcount((IUnknown*)pgraph2);
ok(refcount == 3, "unexpected reference count: %u\n", refcount);
refcount = getRefcount((IUnknown*)pMapper2);
ok(refcount == 3, "unexpected reference count: %u\n", refcount);
IFilterMapper2_Release(pMapper2);
hr = IFilterMapper2_QueryInterface(pMapper2, &IID_IFilterGraph, (LPVOID*)&filtergraph);
ok(hr == S_OK, "IFilterMapper2_QueryInterface failed with %08x\n", hr);
if (!filtergraph) goto out;
IFilterMapper2_Release(pMapper2);
pMapper2 = NULL;
IFilterGraph_Release(filtergraph);
filtergraph = NULL;
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&pMapper2);
ok(hr == S_OK, "CoCreateInstance failed with %08x\n", hr);
if (!pMapper2) goto out;
hr = IFilterMapper2_QueryInterface(pMapper2, &IID_IFilterGraph, (LPVOID*)&filtergraph);
ok(hr == E_NOINTERFACE, "IFilterMapper2_QueryInterface unexpected result: %08x\n", hr);
out:
if (pMapper2) IFilterMapper2_Release(pMapper2);
if (filtergraph) IFilterGraph_Release(filtergraph);
if (pgraph2) IFilterGraph2_Release(pgraph2);
}
static gboolean
gst_dshowaudiosrc_close (GstAudioSrc * asrc)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
if (!src->filter_graph)
return TRUE;
/*remove filters from the graph */
IFilterGraph_RemoveFilter (src->filter_graph, src->audio_cap_filter);
IFilterGraph_RemoveFilter (src->filter_graph, src->dshow_fakesink);
/*release our gstreamer dshow sink */
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
/*release media filter interface */
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
/*release the filter graph manager */
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
return TRUE;
}
/**
* Pops up a user dialog allowing them to adjust properties for the given filter, if possible.
*/
void
dshow_show_filter_properties(IBaseFilter *device_filter, AVFormatContext *avctx) {
ISpecifyPropertyPages *property_pages = NULL;
IUnknown *device_filter_iunknown = NULL;
HRESULT hr;
FILTER_INFO filter_info = {0}; /* a warning on this line is false positive GCC bug 53119 AFAICT */
CAUUID ca_guid = {0};
hr = IBaseFilter_QueryInterface(device_filter, &IID_ISpecifyPropertyPages, (void **)&property_pages);
if (hr != S_OK) {
av_log(avctx, AV_LOG_WARNING, "requested filter does not have a property page to show");
goto end;
}
hr = IBaseFilter_QueryFilterInfo(device_filter, &filter_info);
if (hr != S_OK) {
goto fail;
}
hr = IBaseFilter_QueryInterface(device_filter, &IID_IUnknown, (void **)&device_filter_iunknown);
if (hr != S_OK) {
goto fail;
}
hr = ISpecifyPropertyPages_GetPages(property_pages, &ca_guid);
if (hr != S_OK) {
goto fail;
}
hr = OleCreatePropertyFrame(NULL, 0, 0, filter_info.achName, 1, &device_filter_iunknown, ca_guid.cElems,
ca_guid.pElems, 0, 0, NULL);
if (hr != S_OK) {
goto fail;
}
goto end;
fail:
av_log(avctx, AV_LOG_ERROR, "Failure showing property pages for filter");
end:
if (property_pages)
ISpecifyPropertyPages_Release(property_pages);
if (device_filter_iunknown)
IUnknown_Release(device_filter_iunknown);
if (filter_info.pGraph)
IFilterGraph_Release(filter_info.pGraph);
if (ca_guid.pElems)
CoTaskMemFree(ca_guid.pElems);
}
static gboolean
gst_dshowvideodec_destroy_graph_and_filters (GstDshowVideoDec * vdec)
{
if (vdec->mediafilter) {
IMediaFilter_Stop (vdec->mediafilter);
}
if (vdec->gstdshowsrcfilter) {
IGstDshowInterface_Release (vdec->gstdshowsrcfilter);
vdec->gstdshowsrcfilter = NULL;
}
if (vdec->srcfilter) {
if (vdec->filtergraph)
IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->srcfilter);
IBaseFilter_Release (vdec->srcfilter);
vdec->srcfilter = NULL;
}
if (vdec->decfilter) {
if (vdec->filtergraph)
IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->decfilter);
IBaseFilter_Release (vdec->decfilter);
vdec->decfilter = NULL;
}
if (vdec->sinkfilter) {
if (vdec->filtergraph)
IFilterGraph_RemoveFilter (vdec->filtergraph, vdec->sinkfilter);
IBaseFilter_Release (vdec->sinkfilter);
vdec->sinkfilter = NULL;
}
if (vdec->mediafilter) {
IMediaFilter_Release (vdec->mediafilter);
vdec->mediafilter = NULL;
}
if (vdec->filtergraph) {
IFilterGraph_Release (vdec->filtergraph);
vdec->filtergraph = NULL;
}
return TRUE;
}
static gboolean
gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * vdec)
{
HRESULT hres = S_FALSE;
GstDshowVideoDecClass *klass =
(GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec);
/* create the filter graph manager object */
hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC,
&IID_IFilterGraph, (LPVOID *) & vdec->filtergraph);
if (hres != S_OK || !vdec->filtergraph) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow graph manager (error=%d)", hres), (NULL));
goto error;
}
hres = IFilterGraph_QueryInterface (vdec->filtergraph, &IID_IMediaFilter,
(void **) &vdec->mediafilter);
if (hres != S_OK || !vdec->mediafilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED,
("Can't get IMediacontrol interface "
"from the graph manager (error=%d)", hres), (NULL));
goto error;
}
/* create fake src filter */
hres = CoCreateInstance (&CLSID_DshowFakeSrc, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & vdec->srcfilter);
if (hres != S_OK || !vdec->srcfilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow fakesrc (error=%d)", hres), (NULL));
goto error;
}
/* search a decoder filter and create it */
if (!gst_dshow_find_filter (klass->entry->input_majortype,
klass->entry->input_subtype,
klass->entry->output_majortype,
klass->entry->output_subtype,
klass->entry->preferred_filter_substring, &vdec->decfilter)) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the decoder filter"), (NULL));
goto error;
}
/* create fake sink filter */
hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & vdec->sinkfilter);
if (hres != S_OK || !vdec->sinkfilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow fakesink (error=%d)", hres), (NULL));
goto error;
}
/* add filters to the graph */
hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->srcfilter, L"src");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesrc filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres =
IFilterGraph_AddFilter (vdec->filtergraph, vdec->decfilter, L"decoder");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add decoder filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->sinkfilter, L"sink");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesink filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
return TRUE;
error:
if (vdec->srcfilter) {
IBaseFilter_Release (vdec->srcfilter);
vdec->srcfilter = NULL;
}
if (vdec->decfilter) {
IBaseFilter_Release (vdec->decfilter);
vdec->decfilter = NULL;
}
if (vdec->sinkfilter) {
IBaseFilter_Release (vdec->sinkfilter);
vdec->sinkfilter = NULL;
}
if (vdec->mediafilter) {
IMediaFilter_Release (vdec->mediafilter);
vdec->mediafilter = NULL;
}
if (vdec->filtergraph) {
IFilterGraph_Release (vdec->filtergraph);
vdec->filtergraph = NULL;
}
return FALSE;
}
static gboolean
gst_dshowaudiosrc_open (GstAudioSrc * asrc)
{
HRESULT hres = S_FALSE;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC,
&IID_IFilterGraph, (LPVOID *) & src->filter_graph);
if (hres != S_OK || !src->filter_graph) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't create an instance of the directshow graph manager (error=%d)",
hres);
goto error;
}
hres = IFilterGraph_QueryInterface (src->filter_graph, &IID_IMediaFilter,
(void **) &src->media_filter);
if (hres != S_OK || !src->media_filter) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't get IMediacontrol interface from the graph manager (error=%d)",
hres);
goto error;
}
hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & src->dshow_fakesink);
if (hres != S_OK || !src->dshow_fakesink) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't create an instance of the directshow fakesink (error=%d)", hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->audio_cap_filter,
L"capture");
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't add the directshow capture filter to the graph (error=%d)",
hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->dshow_fakesink,
L"fakesink");
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't add our fakesink filter to the graph (error=%d)", hres);
goto error;
}
return TRUE;
error:
if (src->dshow_fakesink) {
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
}
if (src->media_filter) {
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
}
if (src->filter_graph) {
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
}
return FALSE;
}
