add: 增加Audio相关代码

tests/Audio/AudioDecoder.h

@@ -0,0 +1,53 @@
+/*
+ * MIT License
+ *
+ * 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 AUDIO_AUDIODECODER_H
+#define AUDIO_AUDIODECODER_H
+
+#include "libFaad/faad.h"
+
+class AudioDecoder {
+public:
+    AudioDecoder();
+
+    virtual  ~AudioDecoder();
+
+
+    bool init(unsigned char * ADTSHead ,int headLen =7);
+
+    int  inputData( unsigned char * data,int len , unsigned char ** outBuffer );
+
+    unsigned long getChannels() const { return channels_ ;}
+    unsigned long getSampleRate() const { return samplerate_ ; }
+    unsigned long getSampleBit() const { return samplebit_ ;}
+
+
+private:
+
+    NeAACDecHandle  handle_;
+    unsigned long   samplerate_;
+    unsigned char   channels_;
+    unsigned char   samplebit_;
+};
+
+
+#endif //AUDIO_AUDIODECODER_H