mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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12532cc8bb
Main view might be hidden depending on application's view tree. In that case, ICoreApplication object doesn't return get_MainView() method Note that nothing about this behavior was documented by Microsoft https://docs.microsoft.com/en-us/uwp/api/windows.applicationmodel.core.coreapplication.mainview Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1310>
1024 lines
24 KiB
C++
1024 lines
24 KiB
C++
/* GStreamer
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include "gstmfutils.h"
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#include "mediacapturewrapper.h"
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#include "AsyncOperations.h"
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#include <windows.ui.core.h>
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#include <locale>
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#include <codecvt>
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#include <string.h>
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using namespace ABI::Windows::ApplicationModel::Core;
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using namespace ABI::Windows::Foundation::Collections;
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using namespace ABI::Windows::Media::Devices;
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using namespace ABI::Windows::Media::MediaProperties;
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G_BEGIN_DECLS
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GST_DEBUG_CATEGORY_EXTERN (gst_mf_source_object_debug);
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#define GST_CAT_DEFAULT gst_mf_source_object_debug
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G_END_DECLS
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static std::string
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convert_hstring_to_string (HString * hstr)
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{
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const wchar_t *raw_hstr;
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if (!hstr)
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return std::string();
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raw_hstr = hstr->GetRawBuffer (nullptr);
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if (!raw_hstr)
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return std::string();
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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return converter.to_bytes (raw_hstr);
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}
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static std::string
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gst_media_capture_subtype_to_video_format (const std::string &subtype)
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{
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/* https://docs.microsoft.com/en-us/uwp/api/windows.media.mediaproperties.videoencodingproperties.subtype#Windows_Media_MediaProperties_VideoEncodingProperties_Subtype */
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if (g_ascii_strcasecmp (subtype.c_str(), "RGB32") == 0)
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return "BGRx";
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else if (g_ascii_strcasecmp (subtype.c_str(), "ARGB32") == 0)
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return "BGRA";
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else if (g_ascii_strcasecmp (subtype.c_str(), "RGB24") == 0)
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return "BGR";
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else if (g_ascii_strcasecmp (subtype.c_str(), "NV12") == 0)
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return "NV12";
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else if (g_ascii_strcasecmp (subtype.c_str(), "YV12") == 0)
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return "YV12";
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else if (g_ascii_strcasecmp (subtype.c_str(), "IYUV") == 0)
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return "I420";
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/* FIXME: add more */
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return std::string();
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}
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GstWinRTMediaDescription::GstWinRTMediaDescription()
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: caps_(nullptr)
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{
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}
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GstWinRTMediaDescription::GstWinRTMediaDescription
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(const GstWinRTMediaDescription& other)
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: caps_(nullptr)
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{
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if (other.source_id_.IsValid())
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other.source_id_.CopyTo(source_id_.GetAddressOf());
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if (other.subtype_.IsValid())
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other.subtype_.CopyTo(subtype_.GetAddressOf());
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gst_caps_replace (&caps_, other.caps_);
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}
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GstWinRTMediaDescription::~GstWinRTMediaDescription()
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{
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Release();
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}
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void
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GstWinRTMediaDescription::Release()
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{
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source_id_.Release();
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subtype_.Release();
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gst_clear_caps(&caps_);
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}
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bool
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GstWinRTMediaDescription::IsValid() const
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{
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if (!source_id_.IsValid())
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return false;
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if (!subtype_.IsValid())
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return false;
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if (!caps_)
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return false;
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return true;
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}
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HRESULT
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GstWinRTMediaDescription::Fill(HString &source_id,
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const ComPtr<IMediaCaptureVideoProfileMediaDescription>& desc)
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{
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Release();
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if (!source_id.IsValid()) {
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GST_WARNING("Invalid source id");
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return E_FAIL;
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}
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ComPtr<IMediaCaptureVideoProfileMediaDescription2> desc2;
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UINT32 width = 0;
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UINT32 height = 0;
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DOUBLE framerate = 0;
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gint fps_n = 0, fps_d = 1;
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HString hstr_subtype;
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std::string subtype;
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std::string format;
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GstCaps *caps;
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HRESULT hr;
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hr = desc.As (&desc2);
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if (!gst_mf_result (hr))
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return hr;
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hr = desc->get_Width (&width);
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if (!gst_mf_result (hr))
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return hr;
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hr = desc->get_Height (&height);
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if (!gst_mf_result (hr))
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return hr;
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hr = desc->get_FrameRate (&framerate);
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if (gst_mf_result (hr) && framerate > 0)
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gst_util_double_to_fraction (framerate, &fps_n, &fps_d);
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hr = desc2->get_Subtype (hstr_subtype.GetAddressOf ());
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if (!gst_mf_result (hr))
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return hr;
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subtype = convert_hstring_to_string (&hstr_subtype);
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if (subtype.empty())
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return E_FAIL;
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format = gst_media_capture_subtype_to_video_format (subtype);
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if (format.empty()) {
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GST_FIXME ("Unhandled subtype %s", subtype.c_str());
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return E_FAIL;
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}
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caps = gst_caps_new_simple ("video/x-raw",
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"format", G_TYPE_STRING, format.c_str(), "width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height, NULL);
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if (fps_n > 0 && fps_d > 0)
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gst_caps_set_simple (caps,
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"framerate", GST_TYPE_FRACTION, fps_n, fps_d, NULL);
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source_id.CopyTo (source_id_.GetAddressOf());
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hstr_subtype.CopyTo (subtype_.GetAddressOf());
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caps_ = caps;
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return S_OK;
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}
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GstWinRTMediaFrameSourceGroup::GstWinRTMediaFrameSourceGroup()
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{
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}
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GstWinRTMediaFrameSourceGroup::GstWinRTMediaFrameSourceGroup
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(const GstWinRTMediaFrameSourceGroup& other)
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{
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id_ = other.id_;
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display_name_ = other.display_name_;
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source_group_ = other.source_group_;
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source_list_ = other.source_list_;
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}
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GstWinRTMediaFrameSourceGroup::~GstWinRTMediaFrameSourceGroup()
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{
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Release ();
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}
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void
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GstWinRTMediaFrameSourceGroup::Release()
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{
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id_.clear ();
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display_name_.clear ();
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source_group_.Reset ();
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source_list_.clear ();
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}
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bool
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GstWinRTMediaFrameSourceGroup::Contain(const GstWinRTMediaDescription& desc)
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{
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if (!desc.IsValid())
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return false;
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if (source_list_.empty())
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return false;
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for (const auto& iter: source_list_) {
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unsigned int dummy;
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if (wcscmp (iter.source_id_.GetRawBuffer (&dummy),
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desc.source_id_.GetRawBuffer (&dummy)))
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continue;
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if (wcscmp (iter.subtype_.GetRawBuffer (&dummy),
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desc.subtype_.GetRawBuffer (&dummy)))
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continue;
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if (gst_caps_is_equal (iter.caps_, desc.caps_))
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return true;
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}
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return false;
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}
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HRESULT
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GstWinRTMediaFrameSourceGroup::Fill
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(const ComPtr<IMediaFrameSourceGroup> &source_group)
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{
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HRESULT hr = S_OK;
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HString hstr_id;
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HString hstr_display_name;
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ComPtr<IVectorView<MediaFrameSourceInfo*>> info_list;
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UINT32 count = 0;
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Release();
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hr = source_group->get_Id(hstr_id.GetAddressOf());
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if (!gst_mf_result(hr))
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goto done;
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id_ = convert_hstring_to_string (&hstr_id);
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if (id_.empty()) {
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GST_WARNING ("Emptry source group id");
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hr = E_FAIL;
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goto done;
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}
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hr = source_group->get_DisplayName (hstr_display_name.GetAddressOf());
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if (!gst_mf_result (hr))
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goto done;
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display_name_ = convert_hstring_to_string (&hstr_display_name);
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if (display_name_.empty()) {
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GST_WARNING ("Empty display name");
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hr = E_FAIL;
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goto done;
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}
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hr = source_group->get_SourceInfos (&info_list);
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if (!gst_mf_result (hr))
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goto done;
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hr = info_list->get_Size (&count);
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if (!gst_mf_result (hr))
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goto done;
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if (count == 0) {
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GST_WARNING ("No available source info");
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hr = E_FAIL;
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goto done;
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}
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source_group_ = source_group;
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GST_DEBUG ("source-group has %d entries", count);
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for (UINT32 i = 0; i < count; i++) {
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ComPtr<IMediaFrameSourceInfo> info;
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ComPtr<IMediaFrameSourceInfo2> info2;
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ComPtr<IVectorView<MediaCaptureVideoProfileMediaDescription*>> desc_list;
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MediaFrameSourceKind source_kind;
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MediaStreamType source_type;
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UINT32 desc_count = 0;
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HString source_id;
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hr = info_list->GetAt(i, &info);
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if (!gst_mf_result (hr))
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continue;
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hr = info.As (&info2);
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if (!gst_mf_result (hr))
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continue;
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hr = info->get_SourceKind (&source_kind);
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if (!gst_mf_result (hr))
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continue;
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/* This can be depth, infrared or others */
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/* FIXME: add audio support */
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if (source_kind != MediaFrameSourceKind::MediaFrameSourceKind_Color) {
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GST_FIXME ("source-info has non-color source kind %d",
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(gint) source_kind);
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continue;
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}
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hr = info->get_MediaStreamType (&source_type);
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if (!gst_mf_result (hr))
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continue;
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/* FIXME: support audio */
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if (source_type != MediaStreamType::MediaStreamType_VideoPreview &&
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source_type != MediaStreamType::MediaStreamType_VideoRecord) {
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continue;
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}
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hr = info->get_Id (source_id.GetAddressOf ());
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if (!gst_mf_result (hr))
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continue;
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hr = info2->get_VideoProfileMediaDescription (&desc_list);
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if (!gst_mf_result (hr))
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continue;
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hr = desc_list->get_Size (&desc_count);
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if (!gst_mf_result (hr))
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continue;
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if (desc_count == 0) {
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GST_WARNING("source-info has empty media description");
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continue;
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}
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for (UINT32 j = 0; j < desc_count; j++) {
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ComPtr<IMediaCaptureVideoProfileMediaDescription> desc;
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hr = desc_list->GetAt (j, &desc);
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if (!gst_mf_result (hr))
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continue;
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GstWinRTMediaDescription media_desc;
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hr = media_desc.Fill(source_id, desc);
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if (!gst_mf_result(hr))
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continue;
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source_list_.push_back(media_desc);
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}
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}
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done:
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if (source_list_.empty()) {
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GST_WARNING ("No usable source infos");
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hr = E_FAIL;
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}
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if (!gst_mf_result(hr))
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Release();
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return hr;
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}
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MediaCaptureWrapper::MediaCaptureWrapper()
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: user_data_(nullptr)
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{
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user_cb_.frame_arrived = nullptr;
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user_cb_.failed = nullptr;
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/* Store CoreDispatecher if available */
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findCoreDispatcher();
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}
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MediaCaptureWrapper::~MediaCaptureWrapper()
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{
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stopCapture();
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if (frame_reader_)
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frame_reader_->remove_FrameArrived (token_frame_arrived_);
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if (media_capture_)
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media_capture_->remove_Failed (token_capture_failed_);
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}
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void
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MediaCaptureWrapper::RegisterCb (const MediaCaptureWrapperCallbacks &cb,
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void * user_data)
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{
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user_cb_.frame_arrived = cb.frame_arrived;
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user_cb_.failed = cb.failed;
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user_data_ = user_data;
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}
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HRESULT
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MediaCaptureWrapper::EnumrateFrameSourceGroup
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(std::vector<GstWinRTMediaFrameSourceGroup> &group_list)
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{
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HRESULT hr = S_OK;
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if (dispatcher_) {
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hr = runOnUIThread (INFINITE,
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[this, &group_list] {
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return enumrateFrameSourceGroup(group_list);
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});
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} else {
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hr = enumrateFrameSourceGroup(group_list);
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}
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return hr;
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}
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HRESULT
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MediaCaptureWrapper::SetSourceGroup(const GstWinRTMediaFrameSourceGroup &group)
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{
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if (group.source_group_ == nullptr) {
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GST_WARNING ("Invalid MediaFrameSourceGroup");
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return E_FAIL;
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}
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if (group.source_list_.empty()) {
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GST_WARNING ("group doesn't include source lifo");
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return E_FAIL;
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}
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source_group_ =
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std::unique_ptr<GstWinRTMediaFrameSourceGroup>
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(new GstWinRTMediaFrameSourceGroup(group));
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return S_OK;
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}
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HRESULT
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MediaCaptureWrapper::SetMediaDescription(const GstWinRTMediaDescription &desc)
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{
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/* Must be source group was specified before this */
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if (source_group_ == nullptr) {
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GST_WARNING ("No frame source group was specified");
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return E_FAIL;
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}
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if (!desc.IsValid()) {
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GST_WARNING("Invalid MediaDescription");
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return E_FAIL;
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}
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if (!source_group_->Contain(desc)) {
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GST_WARNING ("MediaDescription is not part of current source group");
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return E_FAIL;
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}
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media_desc_ =
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std::unique_ptr<GstWinRTMediaDescription>
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(new GstWinRTMediaDescription(desc));
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return S_OK;
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}
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HRESULT
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MediaCaptureWrapper::StartCapture()
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{
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HRESULT hr = S_OK;
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hr = openMediaCapture();
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if (!gst_mf_result (hr))
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return hr;
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if (dispatcher_) {
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hr = runOnUIThread (INFINITE,
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[this] {
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return startCapture();
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});
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} else {
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hr = startCapture();
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}
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return S_OK;
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}
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HRESULT
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MediaCaptureWrapper::StopCapture()
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{
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HRESULT hr = S_OK;
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if (dispatcher_) {
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hr = runOnUIThread (INFINITE,
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[this] {
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return stopCapture();
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});
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} else {
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hr = stopCapture();
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}
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return S_OK;
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}
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HRESULT
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MediaCaptureWrapper::GetAvailableDescriptions
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(std::vector<GstWinRTMediaDescription> &desc_list)
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{
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desc_list.clear();
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if (!source_group_) {
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GST_WARNING ("No frame source group available");
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return E_FAIL;
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}
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desc_list = source_group_->source_list_;
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return S_OK;
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}
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HRESULT
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MediaCaptureWrapper::openMediaCapture()
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{
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HRESULT hr;
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if (frame_reader_) {
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GST_INFO ("Frame reader was configured");
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return S_OK;
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}
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if (source_group_ == nullptr) {
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GST_WARNING ("No frame source group was specified");
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return E_FAIL;
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}
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if (media_desc_ == nullptr) {
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GST_WARNING ("No media description was specified");
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return E_FAIL;
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}
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hr = mediaCaptureInitPre ();
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if (!gst_mf_result (hr))
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return hr;
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/* Wait user action and resulting mediaCaptureInitPost */
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std::unique_lock<std::mutex> Lock(lock_);
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if (!init_done_)
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cond_.wait (Lock);
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return frame_reader_ ? S_OK : E_FAIL;
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}
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HRESULT
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MediaCaptureWrapper::mediaCaptureInitPre()
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{
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ComPtr<IAsyncAction> async_action;
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HRESULT hr;
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|
|
auto work_item = Callback<Implements<RuntimeClassFlags<ClassicCom>,
|
|
IDispatchedHandler, FtmBase>>([this]{
|
|
ComPtr<IMediaCaptureInitializationSettings> settings;
|
|
ComPtr<IMediaCaptureInitializationSettings5> settings5;
|
|
ComPtr<IMediaCapture> media_capture;
|
|
ComPtr<IMediaCapture5> media_capture5;
|
|
ComPtr<IAsyncAction> init_async;
|
|
HRESULT hr;
|
|
HStringReference hstr_setting =
|
|
HStringReference (
|
|
RuntimeClass_Windows_Media_Capture_MediaCaptureInitializationSettings);
|
|
HStringReference hstr_capture =
|
|
HStringReference (RuntimeClass_Windows_Media_Capture_MediaCapture);
|
|
IMediaFrameSourceGroup * source_group =
|
|
source_group_->source_group_.Get();
|
|
|
|
hr = ActivateInstance (hstr_setting.Get(), &settings);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = settings->put_StreamingCaptureMode (
|
|
StreamingCaptureMode::StreamingCaptureMode_Video);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = settings.As (&settings5);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = settings5->put_SourceGroup (source_group);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
/* TODO: support D3D11 memory */
|
|
hr = settings5->put_MemoryPreference (
|
|
MediaCaptureMemoryPreference::MediaCaptureMemoryPreference_Cpu);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = settings5.As (&settings);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = ActivateInstance (hstr_capture.Get(), &media_capture5);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = media_capture5.As (&media_capture);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = media_capture->InitializeWithSettingsAsync (settings.Get(), &init_async);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
return StartAsyncThen(
|
|
init_async.Get(),
|
|
[this, init_async, media_capture](_In_ HRESULT hr,
|
|
_In_ IAsyncAction *asyncResult, _In_ AsyncStatus asyncStatus) -> HRESULT
|
|
{
|
|
return mediaCaptureInitPost (init_async, media_capture);
|
|
});
|
|
});
|
|
|
|
init_done_ = false;
|
|
|
|
if (dispatcher_) {
|
|
hr = dispatcher_->RunAsync(CoreDispatcherPriority_Normal, work_item.Get(),
|
|
&async_action);
|
|
} else {
|
|
hr = work_item->Invoke ();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::mediaCaptureInitPost (ComPtr<IAsyncAction> init_async,
|
|
ComPtr<IMediaCapture> media_capture)
|
|
{
|
|
std::unique_lock<std::mutex> Lock(lock_);
|
|
ComPtr<IMediaFrameSource> frame_source;
|
|
ComPtr<IMapView<HSTRING, MediaFrameSource*>> frameSources;
|
|
ComPtr<IMediaFrameSource> source;
|
|
ComPtr<IMediaFrameFormat> format;
|
|
ComPtr<IVectorView<MediaFrameFormat*>> formatList;
|
|
ComPtr<IMediaCapture5> media_capture5;
|
|
ComPtr<IAsyncAction> set_format_async;
|
|
ComPtr<IAsyncOperation<MediaFrameReader*>> create_reader_async;
|
|
ComPtr<IMediaFrameReader> frame_reader;
|
|
boolean has_key;
|
|
UINT32 count = 0;
|
|
GstVideoInfo videoInfo;
|
|
HRESULT hr;
|
|
ComPtr<ITypedEventHandler<MediaFrameReader*, MediaFrameArrivedEventArgs*>>
|
|
frame_arrived_handler = Callback<ITypedEventHandler<MediaFrameReader*,
|
|
MediaFrameArrivedEventArgs*>> ([&]
|
|
(IMediaFrameReader * reader, IMediaFrameArrivedEventArgs* args)
|
|
{
|
|
return onFrameArrived(reader, args);
|
|
}
|
|
);
|
|
|
|
GST_DEBUG ("InitializeWithSettingsAsync done");
|
|
|
|
hr = init_async->GetResults ();
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
if (!gst_video_info_from_caps (&videoInfo, media_desc_->caps_)) {
|
|
GST_WARNING ("Couldn't convert caps to videoinfo");
|
|
hr = E_FAIL;
|
|
goto done;
|
|
}
|
|
|
|
hr = media_capture.As (&media_capture5);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = media_capture5->get_FrameSources (&frameSources);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = frameSources->HasKey (media_desc_->source_id_.Get(), &has_key);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
if (!has_key) {
|
|
GST_ERROR ("MediaFrameSource unavailable");
|
|
hr = E_FAIL;
|
|
goto done;
|
|
}
|
|
|
|
hr = frameSources->Lookup (media_desc_->source_id_.Get(), &source);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = source->get_SupportedFormats (&formatList);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = formatList->get_Size (&count);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
if (count == 0) {
|
|
GST_ERROR ("No supported format object");
|
|
hr = E_FAIL;
|
|
goto done;
|
|
}
|
|
|
|
/* FIXME: support audio */
|
|
for (UINT32 i = 0; i < count; i++) {
|
|
ComPtr<IMediaFrameFormat> fmt;
|
|
ComPtr<IVideoMediaFrameFormat> videoFmt;
|
|
ComPtr<IMediaRatio> ratio;
|
|
HString subtype;
|
|
UINT32 width = 0;
|
|
UINT32 height = 0;
|
|
|
|
hr = formatList->GetAt (i, &fmt);
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
hr = fmt->get_VideoFormat (&videoFmt);
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
hr = videoFmt->get_Width (&width);
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
hr = videoFmt->get_Height (&height);
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
if (width != GST_VIDEO_INFO_WIDTH (&videoInfo))
|
|
continue;
|
|
|
|
if (height != GST_VIDEO_INFO_HEIGHT (&videoInfo))
|
|
continue;
|
|
|
|
/* TODO: check major type for audio */
|
|
hr = fmt->get_Subtype (subtype.GetAddressOf ());
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
if (wcscmp (subtype.GetRawBuffer (nullptr),
|
|
media_desc_->subtype_.GetRawBuffer (nullptr)))
|
|
continue;
|
|
|
|
format = fmt;
|
|
break;
|
|
}
|
|
|
|
if (!format) {
|
|
GST_ERROR (
|
|
"Couldn't find matching IMediaFrameFormat interface");
|
|
hr = E_FAIL;
|
|
goto done;
|
|
}
|
|
|
|
hr = source->SetFormatAsync (format.Get (), &set_format_async);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = SyncWait<void>(set_format_async.Get ());
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = set_format_async->GetResults ();
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = media_capture5->CreateFrameReaderAsync (source.Get(),
|
|
&create_reader_async);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = SyncWait<MediaFrameReader*>(create_reader_async.Get());
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = create_reader_async->GetResults(&frame_reader);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = frame_reader->add_FrameArrived (frame_arrived_handler.Get(),
|
|
&token_frame_arrived_);
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
hr = media_capture->add_Failed
|
|
(Callback<IMediaCaptureFailedEventHandler> ([this]
|
|
(IMediaCapture * capture, IMediaCaptureFailedEventArgs* args)
|
|
{
|
|
return onCaptureFailed(capture, args);
|
|
}
|
|
).Get(),
|
|
&token_capture_failed_);
|
|
|
|
if (!gst_mf_result (hr))
|
|
goto done;
|
|
|
|
frame_reader_ = frame_reader;
|
|
media_capture_ = media_capture;
|
|
|
|
done:
|
|
init_done_ = true;
|
|
cond_.notify_all();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::startCapture()
|
|
{
|
|
HRESULT hr;
|
|
|
|
if (!frame_reader_) {
|
|
GST_ERROR ("Frame reader wasn't configured");
|
|
return E_FAIL;
|
|
}
|
|
|
|
ComPtr<IAsyncOperation<MediaFrameReaderStartStatus>> start_async;
|
|
hr = frame_reader_->StartAsync (&start_async);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = SyncWait<MediaFrameReaderStartStatus>(start_async.Get());
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
MediaFrameReaderStartStatus reader_status;
|
|
hr = start_async->GetResults(&reader_status);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
if (reader_status !=
|
|
MediaFrameReaderStartStatus::MediaFrameReaderStartStatus_Success) {
|
|
GST_ERROR ("Cannot start frame reader, status %d",
|
|
(gint) reader_status);
|
|
return E_FAIL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::stopCapture()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (frame_reader_) {
|
|
ComPtr<IAsyncAction> async_action;
|
|
|
|
hr = frame_reader_->StopAsync (&async_action);
|
|
if (gst_mf_result (hr))
|
|
hr = SyncWait<void>(async_action.Get ());
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::onFrameArrived(IMediaFrameReader *reader,
|
|
IMediaFrameArrivedEventArgs *args)
|
|
{
|
|
HRESULT hr;
|
|
ComPtr<IMediaFrameReference> frame_ref;
|
|
ComPtr<IVideoMediaFrame> video_frame;
|
|
ComPtr<ISoftwareBitmap> bitmap;
|
|
|
|
hr = reader->TryAcquireLatestFrame (&frame_ref);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
if (!frame_ref)
|
|
return S_OK;
|
|
|
|
hr = frame_ref->get_VideoMediaFrame (&video_frame);
|
|
if (!gst_mf_result (hr))
|
|
return hr;
|
|
|
|
hr = video_frame->get_SoftwareBitmap (&bitmap);
|
|
if (!gst_mf_result (hr) || !bitmap)
|
|
return hr;
|
|
|
|
/* nothing to do if no callback was installed */
|
|
if (!user_cb_.frame_arrived)
|
|
return S_OK;
|
|
|
|
return user_cb_.frame_arrived (bitmap.Get(), user_data_);
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::onCaptureFailed(IMediaCapture *capture,
|
|
IMediaCaptureFailedEventArgs *args)
|
|
{
|
|
HRESULT hr;
|
|
UINT32 error_code = 0;
|
|
HString hstr_error_msg;
|
|
std::string error_msg;
|
|
|
|
hr = args->get_Code (&error_code);
|
|
gst_mf_result (hr);
|
|
|
|
hr = args->get_Message (hstr_error_msg.GetAddressOf());
|
|
gst_mf_result (hr);
|
|
|
|
error_msg = convert_hstring_to_string (&hstr_error_msg);
|
|
|
|
GST_WARNING ("Have error %s (%d)", error_msg.c_str(), error_code);
|
|
|
|
if (user_cb_.failed)
|
|
user_cb_.failed (error_msg, error_code, user_data_);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
void
|
|
MediaCaptureWrapper::findCoreDispatcher()
|
|
{
|
|
HStringReference hstr_core_app =
|
|
HStringReference(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication);
|
|
HRESULT hr;
|
|
|
|
ComPtr<ICoreApplication> core_app;
|
|
hr = GetActivationFactory (hstr_core_app.Get(), &core_app);
|
|
if (!gst_mf_result(hr))
|
|
return;
|
|
|
|
ComPtr<ICoreApplicationView> core_app_view;
|
|
hr = core_app->GetCurrentView (&core_app_view);
|
|
if (!gst_mf_result(hr))
|
|
return;
|
|
|
|
ComPtr<ICoreWindow> core_window;
|
|
hr = core_app_view->get_CoreWindow (&core_window);
|
|
if (!gst_mf_result(hr))
|
|
return;
|
|
|
|
hr = core_window->get_Dispatcher (&dispatcher_);
|
|
if (!gst_mf_result(hr))
|
|
return;
|
|
|
|
GST_DEBUG("Main UI dispatcher is available");
|
|
}
|
|
|
|
HRESULT
|
|
MediaCaptureWrapper::enumrateFrameSourceGroup
|
|
(std::vector<GstWinRTMediaFrameSourceGroup> &groupList)
|
|
{
|
|
ComPtr<IMediaFrameSourceGroupStatics> frame_source_group_statics;
|
|
ComPtr<IAsyncOperation<IVectorView<MediaFrameSourceGroup*>*>> async_op;
|
|
ComPtr<IVectorView<MediaFrameSourceGroup*>> source_group_list;
|
|
HRESULT hr;
|
|
unsigned int cnt = 0;
|
|
HStringReference hstr_frame_source_group =
|
|
HStringReference (
|
|
RuntimeClass_Windows_Media_Capture_Frames_MediaFrameSourceGroup);
|
|
|
|
groupList.clear();
|
|
|
|
hr = GetActivationFactory (hstr_frame_source_group.Get(),
|
|
&frame_source_group_statics);
|
|
if (!gst_mf_result(hr))
|
|
return hr;
|
|
|
|
hr = frame_source_group_statics->FindAllAsync (&async_op);
|
|
if (!gst_mf_result(hr))
|
|
return hr;
|
|
|
|
hr = SyncWait<IVectorView<MediaFrameSourceGroup*>*>(async_op.Get(), 5000);
|
|
if (!gst_mf_result(hr))
|
|
return hr;
|
|
|
|
hr = async_op->GetResults (&source_group_list);
|
|
if (!gst_mf_result(hr))
|
|
return hr;
|
|
|
|
hr = source_group_list->get_Size (&cnt);
|
|
if (!gst_mf_result(hr))
|
|
return hr;
|
|
|
|
if (cnt == 0) {
|
|
GST_WARNING ("No available source group");
|
|
return E_FAIL;
|
|
}
|
|
|
|
GST_DEBUG("Have %u source group", cnt);
|
|
|
|
for (unsigned int i = 0; i < cnt; i++) {
|
|
ComPtr<IMediaFrameSourceGroup> group;
|
|
|
|
hr = source_group_list->GetAt (i, &group);
|
|
if (!gst_mf_result(hr))
|
|
continue;
|
|
|
|
GstWinRTMediaFrameSourceGroup source_group;
|
|
hr = source_group.Fill(group);
|
|
if (!gst_mf_result (hr))
|
|
continue;
|
|
|
|
groupList.push_back (source_group);
|
|
}
|
|
|
|
if (groupList.empty ()) {
|
|
GST_WARNING("No available source group");
|
|
return E_FAIL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|