文件夹Rtp干脆RtpCodec

src/RtpCodec/AACRtpCodec.h

@@ -0,0 +1,79 @@
+//
+// Created by xzl on 2018/10/18.
+//
+
+#ifndef ZLMEDIAKIT_AACRTPCODEC_H
+#define ZLMEDIAKIT_AACRTPCODEC_H
+
+#include "RtpCodec.h"
+
+/**
+ * aac rtp转adts类
+ */
+class AACRtpDecoder : public RtpCodec , public ResourcePoolHelper<AACFrame> {
+public:
+    typedef std::shared_ptr<AACRtpDecoder> Ptr;
+
+    /**
+     * @param ui32SampleRate 采样率，用于时间戳转换用
+     */
+    AACRtpDecoder(uint32_t ui32SampleRate);
+    ~AACRtpDecoder() {}
+
+    /**
+     * 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;
+
+    TrackType getTrackType() const override{
+        return TrackAudio;
+    }
+
+    CodecId getCodecId() const override{
+        return CodecAAC;
+    }
+private:
+    void onGetAAC(const AACFrame::Ptr &frame);
+    AACFrame::Ptr obtainFrame();
+private:
+    AACFrame::Ptr _adts;
+    uint32_t _sampleRate;
+};
+
+
+/**
+ * aac adts转rtp类
+ */
+class AACRtpEncoder : public AACRtpDecoder , public RtpInfo {
+public:
+    typedef std::shared_ptr<AACRtpEncoder> Ptr;
+
+    /**
+     * @param ui32Ssrc ssrc
+     * @param ui32MtuSize mtu 大小
+     * @param ui32SampleRate 采样率
+     * @param ui8PlayloadType pt类型
+     * @param ui8Interleaved rtsp interleaved 值
+     */
+    AACRtpEncoder(uint32_t ui32Ssrc,
+                  uint32_t ui32MtuSize,
+                  uint32_t ui32SampleRate,
+                  uint8_t ui8PlayloadType = 97,
+                  uint8_t ui8Interleaved = TrackAudio * 2);
+    ~AACRtpEncoder() {}
+
+    /**
+     * 输入aac 数据，必须带dats头
+     * @param frame 带dats头的aac数据
+     */
+    void inputFrame(const Frame::Ptr &frame) override;
+private:
+    void makeAACRtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
+private:
+    unsigned char _aucSectionBuf[1600];
+};
+
+
+#endif //ZLMEDIAKIT_AACRTPCODEC_H