Slic3r::GUI::WebMediaController Class Reference

#include </home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/WebMediaController.hpp>

Inheritance diagram for Slic3r::GUI::WebMediaController:

Collaboration diagram for Slic3r::GUI::WebMediaController:

Public Member Functions
	WebMediaController (wxWebView *webview)
void	Load (wxURI url) override
void	set_mode (CameraStreamMode mode)
void	Play () override
void	Stop () override
virtual wxMediaState	GetState ()
virtual int	GetLastError () const
virtual wxSize	GetVideoSize () const

Private Attributes
wxWebView *	m_webview = nullptr
std::string	m_url
CameraStreamMode	m_stream_mode = CameraStreamMode::http

Detailed Description

Constructor & Destructor Documentation

WebMediaController()

Slic3r::GUI::WebMediaController::WebMediaController ( wxWebView * webview )

explicit

    : m_webview(webview)
{
    initialize_webview(m_webview);
}

References m_webview.

Member Function Documentation

GetLastError()

virtual int Slic3r::GUI::IMediaController::GetLastError ( ) const

inlinevirtualinherited

Reimplemented in wxMediaCtrl3.

{ return {}; };

GetState()

virtual wxMediaState Slic3r::GUI::IMediaController::GetState ( )

inlinevirtualinherited

Reimplemented in Slic3r::GUI::WebRtcMediaController, and wxMediaCtrl3.

{ return wxMediaState{}; }

GetVideoSize()

virtual wxSize Slic3r::GUI::IMediaController::GetVideoSize ( ) const

inlinevirtualinherited

Reimplemented in Slic3r::GUI::WebRtcMediaController, and wxMediaCtrl3.

{ return {}; };

Load()

void Slic3r::GUI::WebMediaController::Load ( wxURI url )

overridevirtual

Implements Slic3r::GUI::IMediaController.

{
    m_url = url.BuildURI().ToStdString();
}

References m_url.

Play()

void Slic3r::GUI::WebMediaController::Play ( )

overridevirtual

Implements Slic3r::GUI::IMediaController.

{
    if (!m_webview)
        return;
 
    wxString url  = wxString::FromUTF8(m_url);
    wxString html = "<html><head><style>"
                    "html,body{margin:0;height:100%;background:#000;overflow:hidden;}"
                    "img{width:100%;height:100%;object-fit:contain;display:block;}"
                    "</style></head><body><img id=\"camera-frame\"";
    if (m_stream_mode == CameraStreamMode::http_snapshot) {
        html += " data-camera-url=\"" + url +
                "\"><script>"
                "const cameraFrame=document.getElementById('camera-frame');"
                "const cameraUrl=cameraFrame.dataset.cameraUrl;"
                "let cameraFrameLoading=false;"
                "function refreshCameraFrame(){"
                "if(cameraFrameLoading)return;"
                "cameraFrameLoading=true;"
                "const nextFrame=new Image();"
                "nextFrame.onload=function(){cameraFrame.src=nextFrame.src;cameraFrameLoading=false;};"
                "nextFrame.onerror=function(){cameraFrameLoading=false;};"
                "nextFrame.src=cameraUrl+(cameraUrl.indexOf('?')>=0?'&':'?')+'_orca_frame='+Date.now();"
                "}"
                "let cameraRefreshInterval=null;"
                "function stopCameraRefresh(){"
                "if(cameraRefreshInterval!==null){"
                "clearInterval(cameraRefreshInterval);"
                "cameraRefreshInterval=null;"
                "}"
                "}"
                "refreshCameraFrame();"
                "cameraRefreshInterval = setInterval(refreshCameraFrame,200);"
                "</script></body></html>";
        m_webview->SetPage(html, url);
    } else {
        // Load MJPEG streams as the top-level document.  Some embedded WebView
        // backends buffer a multipart stream when it is used as an <img> resource,
        // which introduces noticeable live-view latency.
        m_webview->LoadURL(url);
    }
}

References Slic3r::http_snapshot, m_stream_mode, m_url, and m_webview.

set_mode()

void Slic3r::GUI::WebMediaController::set_mode

(

CameraStreamMode

mode

)

{
    m_stream_mode = mode;
}

References m_stream_mode.

Stop()

void Slic3r::GUI::WebMediaController::Stop ( )

overridevirtual

Implements Slic3r::GUI::IMediaController.

{
    if (m_webview) {
        m_webview->RunScript("if(typeof stopCameraRefresh==='function') stopCameraRefresh();");
        m_webview->Stop();
        m_webview->SetPage("", "about:blank");
        m_webview->ClearHistory();
    }
    m_url.clear();
}

References m_url, and m_webview.

Member Data Documentation

m_stream_mode

CameraStreamMode Slic3r::GUI::WebMediaController::m_stream_mode = CameraStreamMode::http

private

Referenced by Play(), and set_mode().

m_url

std::string Slic3r::GUI::WebMediaController::m_url

private

Referenced by Load(), Play(), and Stop().

m_webview

wxWebView* Slic3r::GUI::WebMediaController::m_webview = nullptr

private

Referenced by WebMediaController(), Play(), and Stop().

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The documentation for this class was generated from the following files:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/WebMediaController.hpp
• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/GUI/WebMediaController.cpp