完成AAC RTMP编解码类

src/RtmpCodec/AACRtmpCodec.h

@@ -0,0 +1,69 @@
+//
+// Created by xzl on 2018/10/24.
+//
+
+#ifndef ZLMEDIAKIT_AACRTMPCODEC_H
+#define ZLMEDIAKIT_AACRTMPCODEC_H
+
+#include "RtmpCodec.h"
+
+namespace ZL{
+namespace Rtmp {
+/**
+ * aac Rtmp转adts类
+ */
+class AACRtmpDecoder : public RtmpCodec , public ResourcePoolHelper<AACFrame> {
+public:
+    typedef std::shared_ptr<AACRtmpDecoder> Ptr;
+
+    AACRtmpDecoder();
+    ~AACRtmpDecoder() {}
+
+    /**
+     * 输入Rtmp并解码
+     * @param Rtmp Rtmp数据包
+     * @param key_pos 此参数内部强制转换为false,请忽略之
+     */
+    bool inputRtmp(const RtmpPacket::Ptr &Rtmp, bool key_pos = false) override;
+
+    TrackType getTrackType() const override{
+        return TrackAudio;
+    }
+
+    CodecId getCodecId() const override{
+        return CodecAAC;
+    }
+
+protected:
+    void onGetAAC(const char* pcData, int iLen, uint32_t ui32TimeStamp);
+    AACFrame::Ptr obtainFrame();
+protected:
+    AACFrame::Ptr _adts;
+    string _aac_cfg;
+};
+
+
+/**
+ * aac adts转Rtmp类
+ */
+class AACRtmpEncoder : public AACRtmpDecoder ,  public ResourcePoolHelper<RtmpPacket> {
+public:
+    typedef std::shared_ptr<AACRtmpEncoder> Ptr;
+
+    AACRtmpEncoder();
+    ~AACRtmpEncoder() {}
+
+    /**
+     * 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 makeAudioConfigPkt();
+};
+
+}//namespace Rtmp
+}//namespace ZL
+
+#endif //ZLMEDIAKIT_AACRTMPCODEC_H