整理优化代码

src/Extension/AACRtp.h

@@ -0,0 +1,101 @@
+/*
+ * 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_AACRTPCODEC_H
+#define ZLMEDIAKIT_AACRTPCODEC_H
+
+#include "Rtsp/RtpCodec.h"
+#include "Extension/AAC.h"
+namespace mediakit{
+/**
+ * aac rtp转adts类
+ */
+class AACRtpDecoder : public RtpCodec , public ResourcePoolHelper<AACFrame> {
+public:
+    typedef std::shared_ptr<AACRtpDecoder> Ptr;
+
+    AACRtpDecoder(const Track::Ptr &track);
+    ~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;
+    }
+protected:
+    AACRtpDecoder();
+private:
+    void onGetAAC(const AACFrame::Ptr &frame);
+    AACFrame::Ptr obtainFrame();
+private:
+    AACFrame::Ptr _adts;
+    string _aac_cfg;
+};
+
+
+/**
+ * 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];
+};
+
+}//namespace mediakit
+
+#endif //ZLMEDIAKIT_AACRTPCODEC_H