first commit

2024-12-15 20:42:32 +08:00
commit 986b2fca12
586 changed files with 154149 additions and 0 deletions
--- a/GB28181Device/media/live_audio.h
+++ b/GB28181Device/media/live_audio.h
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+/***************************************************************************************
+ *
+ *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ *
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install, 
+ *  copy or use the software.
+ *
+ *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
+ *
+ *  Redistribution and use in binary forms, with or without modification, are permitted.
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed 
+ *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
+ *  language governing permissions and limitations under the License.
+ *
+****************************************************************************************/
+
+#ifndef LIVE_AUDIO_H
+#define LIVE_AUDIO_H
+
+/***************************************************************************************/
+
+#include "linked_list.h"
+
+/***************************************************************************************/
+
+#define MAX_LIVE_AUDIO_NUMS  4
+
+typedef void (*LiveAudioDataCB)(uint8 *data, int size, int nbsamples, void *pUserdata);
+
+typedef struct
+{
+	LiveAudioDataCB pCallback;    // callback function pointer
+	void *          pUserdata;    // user data
+	BOOL            bFirst;       // first flag
+} LiveAudioCB;
+
+/***************************************************************************************/
+
+class CLiveAudio
+{
+public:
+    virtual ~CLiveAudio();
+    
+    // get the support stream numbers     
+    static int      getStreamNums();
+
+    // get single instance
+	static CLiveAudio * getInstance(int idx);
+	
+	// free instance
+	virtual void    freeInstance(int idx);
+
+    virtual BOOL    initCapture(int codec, int sampleRate, int channels, int bitrate);
+	virtual BOOL    startCapture();
+    
+    virtual char *  getAuxSDPLine(int rtp_pt);
+    
+    virtual void    addCallback(LiveAudioDataCB pCallback, void * pUserdata);
+    virtual void    delCallback(LiveAudioDataCB pCallback, void * pUserdata);
+
+    virtual BOOL    captureThread();    
+
+    void            procData(uint8 * data, int size, int nbsamples);
+    
+protected:
+    CLiveAudio();
+    CLiveAudio(CLiveAudio &obj);	
+	
+    virtual void    stopCapture();
+    
+    BOOL            isCallbackExist(LiveAudioDataCB pCallback, void *pUserdata);
+    
+public:
+    int                     m_nStreamIndex;
+    int                     m_nRefCnt;      // single instance ref count
+
+    static void *           m_pInstMutex;   // instance mutex
+    static CLiveAudio *     m_pInstance[MAX_LIVE_AUDIO_NUMS];
+    
+protected:    
+    BOOL			        m_bCapture;     // capturing flag
+    pthread_t               m_hCapture;
+
+    int                     m_nCodecId;     // audio codec
+    int                     m_nSampleRate;  // sample rate
+    int                     m_nChannel;     // channel
+    int                     m_nBitrate;     // bitrate
+    
+    void *                  m_pMutex;       // mutex
+    BOOL                    m_bInited;      // inited flag
+
+    void *                  m_pCallbackMutex;
+	LINKED_LIST *           m_pCallbackList;
+};
+
+/*
+ * After getting the encoded data from the hardware encoder, 
+ * you can call this interface to send the data to the audio sending queue 
+ *
+ * If you use this interface to send audio data, you do not need to 
+ * implement the CLiveAudio::captureThread function 
+ */
+BOOL media_live_put_audio(int idx, uint8 * data, int size, int nbsamples);
+
+#endif
+