delphi xe系列自带的控件都无法保存录像,经网友帮忙,昨天终于实现了录像功能(但有个问题是录像时无画面显示),程序主要使用了JMediaRecorder,MediaRecorder的使用方法可参考网上java的相关说明,下面代码是可以正常录像的:



delphi android 录像(使用了JMediaRecorder,MediaRecorder的使用方法可参考网上java的相关说明)_java

unit Unit8;

interface

uses
System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
Androidapi.Helpers, FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs,FMX.Media.Android,Androidapi.JNI.Media,
FMX.Controls.Presentation, FMX.StdCtrls,System.IOUtils,Androidapi.JNI.GraphicsContentViewText,
Androidapi.JNI.Provider,
Androidapi.JNI.App,
Androidapi.JNI.Net,
Androidapi.JNIBridge,
FMX.Media,
Androidapi.JNI.JavaTypes,
Androidapi.JNI.Os;

type
TForm8 = class(TForm)
Button3: TButton;
Button4: TButton;
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
private
{ Private declarations }
texture : JSurfaceTexture;
surface: JSurface;
recorder: JMediaRecorder;
public
{ Public declarations }
end;

var
Form8: TForm8;

implementation

{$R *.fmx}

procedure TForm8.Button3Click(Sender: TObject);
VAR FILENAME:STRING;
begin
texture := TJSurfaceTexture.JavaClass.init(1);
surface := TJSurface.JavaClass.init(texture);
recorder := TJMediaRecorder.Create();

recorder.setPreviewDisplay(surface);
recorder.setAudioSource(TJMediaRecorder_AudioSource.JavaClass.MIC );
recorder.setVideoSource(TJMediaRecorder_VideoSource.JavaClass.CAMERA);
recorder.setOutputFormat(TJMediaRecorder_OutputFormat.JavaClass.MPEG_4);
recorder.setAudioEncoder(TJMediaRecorder_AudioEncoder.JavaClass.DEFAULT);
recorder.setVideoEncoder(TJMediaRecorder_VideoEncoder.JavaClass.H264);
recorder.setMaxDuration(1800000); // 30 minutes
recorder.setVideoSize(320, 240);
recorder.setVideoFrameRate(15);
filename:=TPath.GetSharedCameraPath+'/abc0002.mp4';
recorder.setOutputFile(StringToJString(FILENAME));
recorder.prepare();
recorder.start();
end;

procedure TForm8.Button4Click(Sender: TObject);
begin
recorder.stop;
end;

end.


delphi android 录像(使用了JMediaRecorder,MediaRecorder的使用方法可参考网上java的相关说明)_java