Created
July 2, 2020 09:25
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Delphi VCL MP4 Playback
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type | |
TVideoParams = record | |
filePath: String; | |
isAutoPlay: Boolean; | |
end; | |
procedure TForm1.playVideo(const params: TVideoParams); | |
var | |
autoplayAttribute: String; | |
htmlContent: String; | |
begin | |
if(params.isAutoPlay) then | |
autoplayAttribute := 'autoplay' | |
else | |
autoplayAttribute := String.Empty; | |
htmlContent := | |
TFile.ReadAllText('html.html') | |
.Replace('$PATH_TO_VIDEO$', params.filePath) | |
.Replace('$AUTOPLAY$', autoplayAttribute); | |
WebBrowser1.runHtml(htmlContent); | |
end; |
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unit Helpers.TWebBrowser; | |
interface uses SHDocVw; | |
type | |
TWebBrowserHelper = class helper for TWebBrowser | |
/// <remarks> | |
/// Quelle: https://github.com/uparlayan/HTML5 | |
/// </remarks> | |
procedure runHtml(const html: String); | |
/// <remarks> | |
/// Quelle: http://delphidabbler.com/articles?article=21 | |
/// </remarks> | |
procedure runJavascript(const jsCode: string); | |
end; | |
implementation uses | |
System.Classes, | |
Winapi.ActiveX, | |
MSHTML; | |
procedure TWebBrowserHelper.runHtml(const html: String); | |
var | |
SS: TStringStream; | |
// HTML KodlarımızıTWebBrowser'a aktarmak için kullanacağız | |
begin | |
if Assigned(Document) then | |
begin // TWebBrowser boş sayfamızı işlemeye hazır ise yükleme işlemine başlayabiliriz... | |
SS := TStringStream.Create(); | |
try | |
SS.WriteString(html); | |
// HTML kodlarımızı StringStream'ımıza yüklüyoruz. | |
SS.Seek(0, 0); | |
// StringStream'in ilk baytına pozisyonumuzu alıyoruz. | |
(Document as IPersistStreamInit).Load(TStreamAdapter.Create(SS)); | |
// TWebBrowser'in Document nesnesine IPersistStreamInit arabirimi vasıtasıyla HTML içeriğimizi yüklüyoruz. | |
finally | |
SS.Destroy(); // Bitti, hepsi bu kadar. Artık HTML kodlarınının sonucunu bir web sayfası olarak görebiliriz... | |
end; | |
end; | |
end; | |
procedure TWebBrowserHelper.runJavascript(const jsCode: string); | |
var | |
Doc: IHTMLDocument2; // current HTML document | |
HTMLWindow: IHTMLWindow2; // parent window of current HTML document | |
begin | |
Doc := (Document as IHTMLDocument2); | |
if not Assigned(Doc) then | |
Exit; | |
// Get parent window of current document | |
HTMLWindow := Doc.parentWindow; | |
if not Assigned(HTMLWindow) then | |
Exit; | |
HTMLWindow.execScript(jsCode, 'JavaScript'); | |
HTMLWindow.blur(); | |
end; | |
end. |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8'> | |
<meta http-equiv='X-UA-Compatible' content='IE=edge'> | |
<meta name='viewport' content='width=device-width, initial-scale=1'> | |
<style type="text/css"> | |
html, body, p, video | |
{ | |
height: 100%; | |
padding: 0px; | |
margin: 0px; | |
} | |
.fullwidth-video { | |
object-fit: contain; | |
height: 100%; | |
width: 100% | |
} | |
</style> | |
</head> | |
<body> | |
<video | |
$AUTOPLAY$ | |
controls | |
src="$PATH_TO_VIDEO$" | |
class="fullwidth-video" | |
/> | |
</body> | |
</html> |
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