2015/06/14 
1. 获取版本号有内存泄漏问题解决；
2. ffmpeg媒体屏幕共享/录制不需要增加间隔，实时获取即可，解决延时问题；
3. ffmpeg录制获取麦克给调用者；
（1）命令消息
typedef struct tagWSData_S
{
	uint16_ws cmd; --- WS_CMD_REC_GET_MIC=26
	uint8_ws byte_order; --- 1
	uint8_ws resv;
	uint32_ws data_len; --- 0
	uint8_ws *data;
}WSData_S;

（2）返回消息
成功消息
typedef struct tagWSData_S
{
	uint16_ws cmd; --- WS_RES_REC_GET_MIC_SUC=53
	uint8_ws byte_order; --- 1
	uint8_ws resv;
	uint32_ws data_len;
	uint8_ws *data; --- 4字节麦克个数 4字节MIC1长度 MIC1长度字符串 4字节MIC2长度 MIC2长度字符串 ......
}WSData_S;
失败消息
typedef struct tagWSData_S
{
	uint16_ws cmd; --- WS_RES_REC_GET_MIC_FAIL=54
	uint8_ws byte_order; --- 1
	uint8_ws resv;
	uint32_ws data_len; --- 0
	uint8_ws *data;
}WSData_S;