整理优化代码

src/Extension/AACRtmp.h

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef ZLMEDIAKIT_AACRTMPCODEC_H
+#define ZLMEDIAKIT_AACRTMPCODEC_H
+
+#include "Rtmp/RtmpCodec.h"
+#include "Extension/Track.h"
+#include "Extension/AAC.h"
+
+namespace mediakit{
+/**
+ * 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;
+
+    /**
+     * 构造函数，track可以为空，此时则在inputFrame时输入adts头
+     * 如果track不为空且包含adts头相关信息，
+     * 那么inputFrame时可以不输入adts头
+     * @param track
+     */
+    AACRtmpEncoder(const Track::Ptr &track);
+    ~AACRtmpEncoder() {}
+
+    /**
+     * 输入aac 数据，可以不带adts头
+     * @param frame aac数据
+     */
+    void inputFrame(const Frame::Ptr &frame) override;
+
+private:
+    void makeAudioConfigPkt();
+private:
+    uint8_t _ui8AudioFlags;
+    AACTrack::Ptr _track;
+};
+
+}//namespace mediakit
+
+#endif //ZLMEDIAKIT_AACRTMPCODEC_H