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author | Julien Isorce <julien.isorce@gmail.com> | 2009-07-22 11:01:49 +0200 |
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committer | Julien Isorce <julien.isorce@gmail.com> | 2009-07-22 11:01:49 +0200 |
commit | 779ac0d98e77253daa6f09f1b73b67cad6a25447 (patch) | |
tree | 2dd948d4e38721a7fc6e380ec614492e607824fe /sys | |
parent | 5e6edd7e7beadaf7e0a345f16a700d8824980c97 (diff) | |
download | gst-plugins-bad-779ac0d98e77253daa6f09f1b73b67cad6a25447.tar.gz gst-plugins-bad-779ac0d98e77253daa6f09f1b73b67cad6a25447.tar.bz2 gst-plugins-bad-779ac0d98e77253daa6f09f1b73b67cad6a25447.zip |
dshowvideosrc: converts code to C++
Diffstat (limited to 'sys')
-rwxr-xr-x | sys/dshowsrcwrapper/gstdshowvideosrc.cpp (renamed from sys/dshowsrcwrapper/gstdshowvideosrc.c) | 161 |
1 files changed, 72 insertions, 89 deletions
diff --git a/sys/dshowsrcwrapper/gstdshowvideosrc.c b/sys/dshowsrcwrapper/gstdshowvideosrc.cpp index a54751b7..67e70d96 100755 --- a/sys/dshowsrcwrapper/gstdshowvideosrc.c +++ b/sys/dshowsrcwrapper/gstdshowvideosrc.cpp @@ -181,12 +181,14 @@ gst_dshowvideosrc_class_init (GstDshowVideoSrcClass * klass) g_object_class_install_property (gobject_class, PROP_DEVICE, g_param_spec_string ("device", "Device", - "Directshow device path (@..classID/name)", NULL, G_PARAM_READWRITE)); + "Directshow device path (@..classID/name)", NULL, + static_cast<GParamFlags>(G_PARAM_READWRITE))); g_object_class_install_property (gobject_class, PROP_DEVICE_NAME, g_param_spec_string ("device-name", "Device name", - "Human-readable name of the sound device", NULL, G_PARAM_READWRITE)); + "Human-readable name of the sound device", NULL, + static_cast<GParamFlags>(G_PARAM_READWRITE))); GST_DEBUG_CATEGORY_INIT (dshowvideosrc_debug, "dshowvideosrc", 0, "Directshow video source"); @@ -243,7 +245,7 @@ gst_dshowvideosrc_dispose (GObject * gobject) /* clean dshow */ if (src->video_cap_filter) { - IBaseFilter_Release (src->video_cap_filter); + src->video_cap_filter->Release(); src->video_cap_filter = NULL; } @@ -327,8 +329,8 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src) g_value_init (&value, G_TYPE_STRING); - hres = CoCreateInstance (&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, - &IID_ICreateDevEnum, (void **) &devices_enum); + hres = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, + IID_ICreateDevEnum, (LPVOID *) &devices_enum); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't create an instance of the system device enumerator (error=%d)", @@ -337,9 +339,8 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src) goto clean; } - hres = - ICreateDevEnum_CreateClassEnumerator (devices_enum, - &CLSID_VideoInputDeviceCategory, &moniker_enum, 0); + hres = devices_enum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, + &moniker_enum, 0); if (hres != S_OK || !moniker_enum) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't get enumeration of video devices (error=%d)", hres); @@ -347,22 +348,20 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src) goto clean; } - IEnumMoniker_Reset (moniker_enum); + moniker_enum->Reset(); - while (hres = IEnumMoniker_Next (moniker_enum, 1, &moniker, &fetched), + while (hres = moniker_enum->Next(1, &moniker, &fetched), hres == S_OK) { IPropertyBag *property_bag = NULL; hres = - IMoniker_BindToStorage (moniker, NULL, NULL, &IID_IPropertyBag, - (void **) &property_bag); + moniker->BindToStorage(NULL, NULL, IID_IPropertyBag, + (LPVOID *) &property_bag); if (SUCCEEDED (hres) && property_bag) { VARIANT varFriendlyName; VariantInit (&varFriendlyName); - hres = - IPropertyBag_Read (property_bag, L"FriendlyName", &varFriendlyName, - NULL); + hres = property_bag->Read(L"FriendlyName", &varFriendlyName, NULL); if (hres == S_OK && varFriendlyName.bstrVal) { gchar *friendly_name = g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal, @@ -374,19 +373,17 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src) g_free (friendly_name); SysFreeString (varFriendlyName.bstrVal); } - IPropertyBag_Release (property_bag); + property_bag->Release(); } - IMoniker_Release (moniker); + moniker->Release(); } clean: - if (moniker_enum) { - IEnumMoniker_Release (moniker_enum); - } + if (moniker_enum) + moniker_enum->Release(); - if (devices_enum) { - ICreateDevEnum_Release (devices_enum); - } + if (devices_enum) + devices_enum->Release(); return array; } @@ -480,14 +477,13 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc) if (!src->video_cap_filter) { hres = CreateBindCtx (0, &lpbc); if (SUCCEEDED (hres)) { - hres = MkParseDisplayName (lpbc, unidevice, &dwEaten, &videom); + hres = MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &videom); if (SUCCEEDED (hres)) { - hres = - IMoniker_BindToObject (videom, lpbc, NULL, &IID_IBaseFilter, - &src->video_cap_filter); - IMoniker_Release (videom); + hres = videom->BindToObject(lpbc, NULL, IID_IBaseFilter, + (LPVOID *) &src->video_cap_filter); + videom->Release(); } - IBindCtx_Release (lpbc); + lpbc->Release(); } } @@ -501,21 +497,18 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc) IEnumPins *enumpins = NULL; HRESULT hres; - hres = IBaseFilter_EnumPins (src->video_cap_filter, &enumpins); + hres = src->video_cap_filter->EnumPins(&enumpins); if (SUCCEEDED (hres)) { - while (IEnumPins_Next (enumpins, 1, &capture_pin, NULL) == S_OK) { + while (enumpins->Next(1, &capture_pin, NULL) == S_OK) { IKsPropertySet *pKs = NULL; - - hres = - IPin_QueryInterface (capture_pin, &IID_IKsPropertySet, - (void **) &pKs); + hres = capture_pin->QueryInterface(IID_IKsPropertySet, (LPVOID *) &pKs); if (SUCCEEDED (hres) && pKs) { DWORD cbReturned; GUID pin_category; RPC_STATUS rpcstatus; hres = - IKsPropertySet_Get (pKs, &ROPSETID_Pin, + pKs->Get(AMPROPSETID_Pin, AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID), &cbReturned); @@ -524,8 +517,8 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc) &rpcstatus) == 0) { IAMStreamConfig *streamcaps = NULL; - if (SUCCEEDED (IPin_QueryInterface (capture_pin, - &IID_IAMStreamConfig, (void **) &streamcaps))) { + if (SUCCEEDED (capture_pin->QueryInterface( + IID_IAMStreamConfig, (LPVOID *) &streamcaps))) { GstCaps *caps = gst_dshowvideosrc_getcaps_from_streamcaps (src, capture_pin, streamcaps); @@ -533,16 +526,16 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc) if (caps) { gst_caps_append (src->caps, caps); } - IAMStreamConfig_Release (streamcaps); + streamcaps->Release(); } } - IKsPropertySet_Release (pKs); + pKs->Release(); } - IPin_Release (capture_pin); + capture_pin->Release(); } - IEnumPins_Release (enumpins); + enumpins->Release(); } } @@ -573,7 +566,7 @@ gst_dshowvideosrc_change_state (GstElement * element, GstStateChange transition) break; case GST_STATE_CHANGE_PAUSED_TO_PLAYING: if (src->media_filter) - hres = IMediaFilter_Run (src->media_filter, 0); + hres = src->media_filter->Run(0); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't RUN the directshow capture graph (error=%d)", hres); @@ -582,7 +575,7 @@ gst_dshowvideosrc_change_state (GstElement * element, GstStateChange transition) break; case GST_STATE_CHANGE_PLAYING_TO_PAUSED: if (src->media_filter) - hres = IMediaFilter_Stop (src->media_filter); + hres = src->media_filter->Stop(); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't STOP the directshow capture graph (error=%d)", hres); @@ -604,16 +597,16 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc) HRESULT hres = S_FALSE; GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (bsrc); - hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC, - &IID_IFilterGraph, (LPVOID *) & src->filter_graph); + hres = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC, + IID_IFilterGraph, (LPVOID *) & src->filter_graph); if (hres != S_OK || !src->filter_graph) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't create an instance of the dshow graph manager (error=%d)", hres); goto error; } - hres = IFilterGraph_QueryInterface (src->filter_graph, &IID_IMediaFilter, - (void **) &src->media_filter); + hres = src->filter_graph->QueryInterface(IID_IMediaFilter, + (LPVOID *) &src->media_filter); if (hres != S_OK || !src->media_filter) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't get IMediacontrol interface from the graph manager (error=%d)", @@ -621,8 +614,8 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc) goto error; } - hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC, - &IID_IBaseFilter, (LPVOID *) & src->dshow_fakesink); + hres = CoCreateInstance (CLSID_DshowFakeSink, NULL, CLSCTX_INPROC, + IID_IBaseFilter, (LPVOID *) & src->dshow_fakesink); if (hres != S_OK || !src->dshow_fakesink) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't create an instance of our dshow fakesink filter (error=0x%x)", @@ -630,17 +623,14 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc) goto error; } - hres = - IFilterGraph_AddFilter (src->filter_graph, src->video_cap_filter, - L"capture"); + hres = src->filter_graph->AddFilter(src->video_cap_filter, L"capture"); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't add video capture filter to the graph (error=%d)", hres); goto error; } - hres = - IFilterGraph_AddFilter (src->filter_graph, src->dshow_fakesink, L"sink"); + hres = src->filter_graph->AddFilter(src->dshow_fakesink, L"sink"); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, "Can't add our fakesink filter to the graph (error=%d)", hres); @@ -651,16 +641,16 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc) error: if (src->dshow_fakesink) { - IBaseFilter_Release (src->dshow_fakesink); + src->dshow_fakesink->Release(); src->dshow_fakesink = NULL; } if (src->media_filter) { - IMediaFilter_Release (src->media_filter); + src->media_filter->Release(); src->media_filter = NULL; } if (src->filter_graph) { - IFilterGraph_Release (src->filter_graph); + src->filter_graph->Release(); src->filter_graph = NULL; } @@ -699,9 +689,8 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps) if (type) { pin_mediatype = (GstCapturePinMediaType *) type->data; - hres = - IBaseFilter_QueryInterface (src->dshow_fakesink, - &IID_IGstDshowInterface, (void **) &srcinterface); + hres = src->dshow_fakesink->QueryInterface( + IID_IGstDshowInterface, (LPVOID *) &srcinterface); if (hres != S_OK || !srcinterface) { GST_CAT_ERROR (dshowvideosrc_debug, @@ -710,14 +699,12 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps) goto error; } - IGstDshowInterface_gst_set_media_type (srcinterface, - pin_mediatype->mediatype); - IGstDshowInterface_gst_set_buffer_callback (srcinterface, - (byte *) gst_dshowvideosrc_push_buffer, (byte *) src); + srcinterface->gst_set_media_type(pin_mediatype->mediatype); + srcinterface->gst_set_buffer_callback( + (push_buffer_func) gst_dshowvideosrc_push_buffer, (byte *) src); - if (srcinterface) { - IGstDshowInterface_Release (srcinterface); - } + if (srcinterface) + srcinterface->Release(); gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin); @@ -727,10 +714,9 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps) goto error; } - hres = - IFilterGraph_ConnectDirect (src->filter_graph, - pin_mediatype->capture_pin, input_pin, NULL); - IPin_Release (input_pin); + hres = src->filter_graph->ConnectDirect(pin_mediatype->capture_pin, + input_pin, NULL); + input_pin->Release(); if (hres != S_OK) { GST_CAT_ERROR (dshowvideosrc_debug, @@ -760,9 +746,8 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps) return TRUE; error: - if (srcinterface) { - IGstDshowInterface_Release (srcinterface); - } + if (srcinterface) + srcinterface->Release(); return FALSE; } @@ -781,30 +766,30 @@ gst_dshowvideosrc_stop (GstBaseSrc * bsrc) gst_dshow_get_pin_from_filter (src->video_cap_filter, PINDIR_OUTPUT, &output_pin); if (output_pin) { - hres = IFilterGraph_Disconnect (src->filter_graph, output_pin); - IPin_Release (output_pin); + hres = src->filter_graph->Disconnect(output_pin); + output_pin->Release(); } gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin); if (input_pin) { - hres = IFilterGraph_Disconnect (src->filter_graph, input_pin); - IPin_Release (input_pin); + hres = src->filter_graph->Disconnect(input_pin); + input_pin->Release(); } /*remove filters from the graph */ - IFilterGraph_RemoveFilter (src->filter_graph, src->video_cap_filter); - IFilterGraph_RemoveFilter (src->filter_graph, src->dshow_fakesink); + src->filter_graph->RemoveFilter(src->video_cap_filter); + src->filter_graph->RemoveFilter(src->dshow_fakesink); /*release our gstreamer dshow sink */ - IBaseFilter_Release (src->dshow_fakesink); + src->dshow_fakesink->Release(); src->dshow_fakesink = NULL; /*release media filter interface */ - IMediaFilter_Release (src->media_filter); + src->media_filter->Release(); src->media_filter = NULL; /*release the filter graph manager */ - IFilterGraph_Release (src->filter_graph); + src->filter_graph->Release(); src->filter_graph = NULL; return TRUE; @@ -876,7 +861,7 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin, if (!streamcaps) return NULL; - IAMStreamConfig_GetNumberOfCapabilities (streamcaps, &icount, &isize); + streamcaps->GetNumberOfCapabilities(&icount, &isize); if (isize != sizeof (vscc)) return NULL; @@ -884,12 +869,10 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin, for (; i < icount; i++) { GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1); - IPin_AddRef (pin); + pin->AddRef(); pin_mediatype->capture_pin = pin; - hres = - IAMStreamConfig_GetStreamCaps (streamcaps, i, &pin_mediatype->mediatype, - (BYTE *) & vscc); + hres = streamcaps->GetStreamCaps(i, &pin_mediatype->mediatype, (BYTE *) & vscc); if (hres == S_OK && pin_mediatype->mediatype) { VIDEOINFOHEADER *video_info; GstCaps *mediacaps = NULL; |