新增更新流代理的功能，支持修改已有拉流代理的URL和参数

server/WebApi.cpp

@@ -592,6 +592,17 @@ void getStatisticJson(const function<void(Value &val)> &cb) {
 #endif
 }
 
+void updateStreamProxy(const mediakit::MediaTuple &tuple, const std::string &url, const toolkit::mINI &args) {
+    auto key = tuple.shortUrl();
+    auto player = s_player_proxy.find(key);
+    if (!player) {
+        throw std::runtime_error("proxy player not found: " + key);
+    }
+    player->getPoller()->async([url, args, player]() {
+        player->update(url, args);
+    });
+}
+
 void addStreamProxy(const MediaTuple &tuple, const string &url, int retry_count, bool force,
                     const ProtocolOption &option, float timeout_sec, const mINI &args,
                     const function<void(const SockException &ex, const string &key)> &cb) {

server/WebApi.h

@@ -252,6 +252,8 @@ void addStreamProxy(const mediakit::MediaTuple &tuple, const std::string &url, i
                     const mediakit::ProtocolOption &option, float timeout_sec, const toolkit::mINI &args,
                     const std::function<void(const toolkit::SockException &ex, const std::string &key)> &cb);
 
+void updateStreamProxy(const mediakit::MediaTuple &tuple, const std::string &url, const toolkit::mINI &args);
+
 template <typename Type>
 class ServiceController {
 public:

server/pyinvoker.cpp

@@ -374,6 +374,20 @@ PYBIND11_EMBEDDED_MODULE(mk_loader, m) {
         py::arg("timeout_sec") = 0.0f, py::arg("opt") = py::dict()
     );
 
+    // update_stream_proxy(vhost, app, stream, url, opt={})
+    // 更新已有拉流代理的 url 和参数，流不存在时抛出异常
+    m.def("update_stream_proxy",
+        [](const std::string &vhost, const std::string &app, const std::string &stream,
+           const std::string &url, const py::dict &opt) {
+            mINI args = to_native(opt);
+            MediaTuple tuple { vhost.empty() ? DEFAULT_VHOST : vhost, app, stream, "" };
+            py::gil_scoped_release release;
+            updateStreamProxy(tuple, url, args);
+        },
+        py::arg("vhost"), py::arg("app"), py::arg("stream"), py::arg("url"),
+        py::arg("opt") = py::dict()
+    );
+
     m.def("set_fastapi", [](const py::object &check_route, const py::object &submit_coro) {
         static void *fastapi_tag = nullptr;
         NoticeCenter::Instance().delListener(&fastapi_tag, Broadcast::kBroadcastHttpRequest);

src/Player/PlayerProxy.cpp

@@ -42,6 +42,16 @@ PlayerProxy::PlayerProxy(
     (*this)[Client::kWaitTrackReady] = false;
 }
 
+void PlayerProxy::update(const std::string &url, const toolkit::mINI &args) {
+    CHECK(getPoller()->isCurrentThread());
+    _pull_url = url;
+    this->mINI::clear();
+    (*this)[Client::kWaitTrackReady] = false;
+    for (auto &pr : args) {
+        (*this)[pr.first] = pr.second;
+    }
+}
+
 void PlayerProxy::setPlayCallbackOnce(function<void(const SockException &ex)> cb) {
     _on_play = std::move(cb);
 }
@@ -99,11 +109,12 @@ static int getMaxTrackSize(const std::string &url) {
     return 2;
 }
 
-void PlayerProxy::play(const string &strUrlTmp) {
-    _option.max_track = getMaxTrackSize(strUrlTmp);
+void PlayerProxy::play(const string &url) {
+    _pull_url = url;
+    _option.max_track = getMaxTrackSize(_pull_url);
     weak_ptr<PlayerProxy> weakSelf = shared_from_this();
     std::shared_ptr<int> piFailedCnt(new int(0)); // 连续播放失败次数
-    setOnPlayResult([weakSelf, strUrlTmp, piFailedCnt](const SockException &err) {
+    setOnPlayResult([weakSelf, piFailedCnt](const SockException &err) {
         auto strongSelf = weakSelf.lock();
         if (!strongSelf) {
             return;
@@ -131,20 +142,20 @@ void PlayerProxy::play(const string &strUrlTmp) {
             strongSelf->setTranslationInfo();
             strongSelf->_on_connect(strongSelf->_transtalion_info);
 
-            InfoL << "play " << strUrlTmp << " success";
+            InfoL << "play " << strongSelf->_pull_url << " success";
             strongSelf->_status = std::make_shared<std::string>("playing");
         } else if (*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
             // 播放失败，延时重试播放  [AUTO-TRANSLATED:d7537c9c]
             // Play failed, retry playing with delay
             strongSelf->_on_disconnect();
-            strongSelf->rePlay(strUrlTmp, (*piFailedCnt)++);
+            strongSelf->rePlay((*piFailedCnt)++);
         } else {
             // 达到了最大重试次数，回调关闭  [AUTO-TRANSLATED:610f31f3]
             // Reached the maximum number of retries, callback to close
             strongSelf->_on_close(err);
         }
     });
-    setOnShutdown([weakSelf, strUrlTmp, piFailedCnt](const SockException &err) {
+    setOnShutdown([weakSelf, piFailedCnt](const SockException &err) {
         auto strongSelf = weakSelf.lock();
         if (!strongSelf) {
             return;
@@ -188,7 +199,7 @@ void PlayerProxy::play(const string &strUrlTmp) {
         // Play interrupted abnormally, retry playing with delay
         if (*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
             strongSelf->_repull_count++;
-            strongSelf->rePlay(strUrlTmp, (*piFailedCnt)++);
+            strongSelf->rePlay((*piFailedCnt)++);
         } else {
             // 达到了最大重试次数，回调关闭  [AUTO-TRANSLATED:610f31f3]
             // Reached the maximum number of retries, callback to close
@@ -197,14 +208,13 @@ void PlayerProxy::play(const string &strUrlTmp) {
     });
     try {
         _status = std::make_shared<std::string>("connecting");
-        MediaPlayer::play(strUrlTmp);
+        MediaPlayer::play(_pull_url );
     } catch (std::exception &ex) {
         _status = std::make_shared<std::string>(std::string("play failed: ") + ex.what());
         ErrorL << ex.what();
         onPlayResult(SockException(Err_other, ex.what()));
         return;
     }
-    _pull_url = strUrlTmp;
     setDirectProxy();
 }
 
@@ -244,24 +254,21 @@ PlayerProxy::~PlayerProxy() {
     }
 }
 
-void PlayerProxy::rePlay(const string &strUrl, int iFailedCnt) {
+void PlayerProxy::rePlay(int iFailedCnt) {
     auto iDelay = MAX(_reconnect_delay_min * 1000, MIN(iFailedCnt * _reconnect_delay_step * 1000, _reconnect_delay_max * 1000));
     weak_ptr<PlayerProxy> weakSelf = shared_from_this();
-    _timer = std::make_shared<Timer>(
-        iDelay / 1000.0f,
-        [weakSelf, strUrl, iFailedCnt]() {
-            // 播放失败次数越多，则延时越长  [AUTO-TRANSLATED:5af39264]
-            // The more times the playback fails, the longer the delay
-            auto strongPlayer = weakSelf.lock();
-            if (!strongPlayer) {
-                return false;
-            }
-            WarnL << "重试播放[" << iFailedCnt << "]:" << strUrl;
-            strongPlayer->MediaPlayer::play(strUrl);
-            strongPlayer->setDirectProxy();
+    _timer = std::make_shared<Timer>(iDelay / 1000.0f, [weakSelf, iFailedCnt]() {
+        // 播放失败次数越多，则延时越长  [AUTO-TRANSLATED:5af39264]
+        // The more times the playback fails, the longer the delay
+        auto strongPlayer = weakSelf.lock();
+        if (!strongPlayer) {
             return false;
-        },
-        getPoller());
+        }
+        WarnL << "重试播放[" << iFailedCnt << "]:" << strongPlayer->_pull_url;
+        strongPlayer->MediaPlayer::play(strongPlayer->_pull_url);
+        strongPlayer->setDirectProxy();
+        return false;
+    }, getPoller());
 }
 
 bool PlayerProxy::close(MediaSource &sender) {

src/Player/PlayerProxy.h

@@ -140,6 +140,8 @@ public:
     const MediaTuple& getMediaTuple() const { return _tuple; }
     const ProtocolOption& getOption() const { return _option; }
 
+    void update(const std::string &url, const toolkit::mINI &args);
+
 private:
     // MediaSourceEvent override
     bool close(MediaSource &sender) override;
@@ -150,7 +152,7 @@ private:
     float getLossRate(MediaSource &sender, TrackType type) override;
     toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
 
-    void rePlay(const std::string &strUrl, int iFailedCnt);
+    void rePlay(int iFailedCnt);
     void onPlaySuccess();
     void setDirectProxy();
     void setTranslationInfo();