rtsp/rtmp/mp4支持opus并整理代码

src/Extension/CommonRtp.h

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/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.
+ */
+
+#ifndef ZLMEDIAKIT_COMMONRTP_H
+#define ZLMEDIAKIT_COMMONRTP_H
+
+#include "Frame.h"
+#include "Rtsp/RtpCodec.h"
+
+namespace mediakit{
+
+/**
+ * 通用 rtp解码类
+ */
+class CommonRtpDecoder : public RtpCodec, public ResourcePoolHelper<FrameImp> {
+public:
+    typedef std::shared_ptr <CommonRtpDecoder> Ptr;
+
+    ~CommonRtpDecoder() override {}
+
+    /**
+     * 构造函数
+     * @param codec 编码id
+     */
+    CommonRtpDecoder(CodecId codec);
+
+    /**
+     * 返回编码类型ID
+     */
+    CodecId getCodecId() const override;
+
+    /**
+     * 输入rtp并解码
+     * @param rtp rtp数据包
+     * @param key_pos 此参数内部强制转换为false,请忽略之
+     */
+    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
+
+private:
+    void obtainFrame();
+
+private:
+    CodecId _codec;
+    FrameImp::Ptr _frame;
+    uint16_t _last_seq = 0;
+    bool _drop_flag = false;
+};
+
+/**
+ * 通用 rtp编码类
+ */
+class CommonRtpEncoder : public CommonRtpDecoder, public RtpInfo {
+public:
+    typedef std::shared_ptr <CommonRtpEncoder> Ptr;
+
+    ~CommonRtpEncoder() override {}
+
+    /**
+     * 构造函数
+     * @param codec 编码类型
+     * @param ssrc ssrc
+     * @param mtu_size mtu 大小
+     * @param sample_rate 采样率
+     * @param payload_type pt类型
+     * @param interleaved rtsp interleaved 值
+     */
+    CommonRtpEncoder(CodecId codec, uint32_t ssrc, uint32_t mtu_size, uint32_t sample_rate, uint8_t payload_type, uint8_t interleaved);
+
+    /**
+     * 输入帧数据并编码成rtp
+     */
+    void inputFrame(const Frame::Ptr &frame) override;
+};
+
+}//namespace mediakit
+#endif //ZLMEDIAKIT_COMMONRTP_H