Flutter 通过代理将数据流式传输到VideoPlayerController
我正在尝试在我的应用程序中创建代理服务器,以便缓存视频。打开视频时,我使用带有Flutter 通过代理将数据流式传输到VideoPlayerController,flutter,dart,networking,video,proxy,Flutter,Dart,Networking,Video,Proxy,我正在尝试在我的应用程序中创建代理服务器,以便缓存视频。打开视频时,我使用带有 VideoPlayerController.network(“127.0.0.1:8080/http://127.0.0.1:8080/99e61720-935c-494e-aaab-0c2529716311.mp4”)由我们的代理服务器在应用程序中接收,并将请求重定向到主服务器 i、 e.视频播放器控制器发送观看视频的请求 代理服务器将请求从VideoPlayerController重定向到主服务器 代理服务器接收
VideoPlayerController.network(“127.0.0.1:8080/http://127.0.0.1:8080/99e61720-935c-494e-aaab-0c2529716311.mp4”)
由我们的代理服务器在应用程序中接收,并将请求重定向到主服务器
i、 e.视频播放器控制器发送观看视频的请求
import 'dart:io';
import 'dart:async';
import 'package:http/http.dart' as http;
import 'package:path_provider/path_provider.dart';
class ProxyServer {
HttpServer server;
var client = 0;
static File file;
static bool hasFile = false;
Future<void> init() async {
try{
server = await HttpServer.bind("127.0.0.1", 8080, shared: true);
print("Server running on IP : " + server.address.toString() + " On Port : " + server.port.toString());
}catch(e){
print("Something went wrong while creating a server...");
return;
}
print("Listening...");
listen();
}
Future<void> listen() async {
await for (HttpRequest request in server) {
List<int> _bytes = [];
var _received = 0;
var _total = 0;
http.Request baseRequest = new http.Request('GET', Uri.parse("http://d9txtuxofddt9.cloudfront.net${request.uri}"));
Map<String, String> headers = new Map<String, String>();
request.headers.forEach((key, value) {
print(key + ", " + value.first);
if(key != "host")
headers[key] = value.toString();
else
headers["host"] = "d9txtuxofddt9.cloudfront.net";
});
baseRequest.headers.addAll(headers);
print("Base Request: " + baseRequest.headers.toString());
http.StreamedResponse proxyResponse = await http.Client().send(baseRequest);
_total = proxyResponse.contentLength;
String destFilePath = "${(await getApplicationDocumentsDirectory()).path}${request.uri}";
file = File(destFilePath);
proxyResponse.headers.forEach((key, value) {
request.response.headers.add(key, value);
});
proxyResponse.stream.listen((value) {
_bytes.addAll(value);
_received += value.length;
print("${_received ~/ 1024} / ${_total ~/ 1024} KB");
request.response.add(value);
file.writeAsBytesSync(_bytes);
}).onDone(() async {
print("File saved at : ${file.path}");
request.response.close();
});
}
}
}
导入'dart:io';
导入“dart:async”;
将“package:http/http.dart”导入为http;
导入“package:path_provider/path_provider.dart”;
类代理服务器{
HttpServer服务器;
var客户端=0;
静态文件;
静态bool hasFile=false;
Future init()异步{
试一试{
server=wait-HttpServer.bind(“127.0.0.1”,8080,shared:true);
打印(“在IP上运行的服务器:”+Server.address.toString()+”,端口:“+Server.Port.toString()”);
}捕获(e){
打印(“创建服务器时出错…”);
返回;
}
打印(“倾听…”);
听();
}
Future listen()异步{
等待(服务器中的HttpRequest请求){
列表_字节=[];
收到的var _=0;
var _total=0;
http.Request baseRequest=newhttp.Request('GET',Uri.parse('http://d9txtuxofddt9.cloudfront.net${request.uri}”);
映射头=新映射();
request.headers.forEach((键,值){
打印(键+“,”+值。第一);
如果(键!=“主机”)
headers[key]=value.toString();
其他的
头文件[“主机”]=“d9txtexofddt9.cloudfront.net”;
});
baseRequest.headers.addAll(headers);
打印(“基本请求:+baseRequest.headers.toString());
http.StreamedResponse proxyResponse=等待http.Client().send(baseRequest);
_总计=proxyResponse.contentLength;
字符串destFilePath=“${(等待getApplicationDocumentsDirectory()).path}${request.uri}”;
文件=文件(destFilePath);
proxyResponse.headers.forEach((键,值){
request.response.headers.add(键、值);
});
proxyResponse.stream.listen((值){
_字节。addAll(值);
_接收+=值.length;
打印(${u已接收~/1024}/${u总计~/1024}KB);
请求.响应.添加(值);
writeAsBytesSync(_字节);
}).onDone(()异步{
打印(“文件保存在:${File.path}”);
request.response.close();
});
}
}
}
我的问题是,如何将服务器的响应流回到Flatter的VideoPlayerController