新增支持http-flv播放器 (#2562)

src/Rtmp/FlvPlayer.cpp

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "FlvPlayer.h"
+
+using namespace std;
+using namespace toolkit;
+
+namespace mediakit {
+
+FlvPlayer::FlvPlayer(const EventPoller::Ptr &poller) {
+    setPoller(poller);
+}
+
+void FlvPlayer::play(const string &url) {
+    TraceL << "play http-flv: " << url;
+    _play_result = false;
+    setHeaderTimeout((*this)[Client::kTimeoutMS].as<int>());
+    setBodyTimeout((*this)[Client::kMediaTimeoutMS].as<int>());
+    setMethod("GET");
+    sendRequest(url);
+}
+
+void FlvPlayer::onResponseHeader(const string &status, const HttpClient::HttpHeader &header) {
+    if (status != "200" && status != "206") {
+        // http状态码不符合预期
+        throw invalid_argument("bad http status code:" + status);
+    }
+
+    auto content_type = const_cast<HttpClient::HttpHeader &>(header)["Content-Type"];
+    if (content_type.find("video/x-flv") != 0) {
+        throw invalid_argument("content type not http-flv: " + content_type);
+    }
+}
+
+void FlvPlayer::teardown() {
+    HttpClientImp::shutdown();
+}
+
+void FlvPlayer::onResponseCompleted(const SockException &ex) {
+    if (!_play_result) {
+        _play_result = true;
+        onPlayResult(ex);
+    } else {
+        onShutdown(ex);
+    }
+}
+
+void FlvPlayer::onResponseBody(const char *buf, size_t size) {
+    FlvSplitter::input(buf, size);
+}
+
+bool FlvPlayer::onRecvMetadata(const AMFValue &metadata) {
+    return onMetadata(metadata);
+}
+
+void FlvPlayer::onRecvRtmpPacket(RtmpPacket::Ptr packet) {
+    if (!_play_result && !packet->isCfgFrame()) {
+        _play_result = true;
+        onPlayResult(SockException(Err_success, "play http-flv success"));
+    }
+    onRtmpPacket(std::move(packet));
+}
+
+}//mediakit