关于非诚勿扰

关于非诚勿扰
2012年01月17日
   无意中翻出来 2011年1月9日的《非诚勿扰》,感觉这期《非诚勿扰》是有史以来办得最成功最触动人心的一期,5个男嘉宾各有特点,感慨颇深:
  1号男嘉宾来自深圳,北大医院的研究员,为11号女嘉宾而来,最终牵手了一位美国女孩。
  2号男嘉宾来自上海的哈尔滨人,长得有点凶悍,自开公司,也是为11号女嘉宾而来,为此在节目前休息室里和1号男嘉宾互掐打架,虽然他的VCR准备更充分也专门提到为11号女士而来,可惜最终还是未能牵手成功,一个重要原因也是11号认为他颧骨突出长相凶悍。
  3号男嘉宾比较特殊,他是6号女嘉宾的前夫,这次专为相念相知5年多的6号代金燕而来, 场面异常感人,很多女嘉宾和现场观众都为其的勇气感到钦佩,最终使出全身解数的他虽然把前妻感动哭泣,可最后还是被前妻决然拒绝而没落离开。当然,这次的失败让他很快崛起,前不久江苏卫视另一档节目《老公看你的》他再次携新婚妻子出现,我们真的由衷的祝福他,他的前妻也在该期节目之后的下一期牵手成功,当然这都是后话。
  4号男嘉宾的出现让《非诚勿扰》彻底火遍大江南北,也让我熟知并爱上了这档节目,他叫刘智宇,曾经是一名职业足球运动员,因为伤病提前退役,现为广州恒大的队务,也就是帮球队收集研究其他对手的资料的,这也是曾经我短暂喜欢过的工作,为他录制VCR的全是国字号球员,前国脚现任广州队助理教练姜峰,最大牌球员郑智,国脚孙祥、郜林等,是为《非诚勿扰》开播以来名气最大的亲友团,最终他牵手上海女孩成功。
  5号男嘉宾是为博士后,中年老成,一副学者派头,当然最后还是没有牵手成功。
你现在是一名蓝牙工程师,讲解下面的log: 搜索 "bta_ag_sco_event" (1个文件中匹配到36次,总计查找1次) C:\Users\rivotek\Downloads\0728\log\20250728165337.main.log (匹配36次) 行 191380: 07-28 16:50:01.297 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_SHUTDOWN_ST[0] event:BTA_AG_SCO_LISTEN_E[0] 行 191382: 07-28 16:50:01.297 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_SHUTDOWN_ST(0x00)]->[BTA_AG_SCO_LISTEN_ST(0x01)] after event [BTA_AG_SCO_LISTEN_E(0x00)] 行 274756: 07-28 16:51:47.576 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_LISTEN_ST[1] event:BTA_AG_SCO_OPEN_E[1] 行 274763: 07-28 16:51:47.576 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_LISTEN_ST(0x01)]->[BTA_AG_SCO_CODEC_ST(0x02)] after event [BTA_AG_SCO_OPEN_E(0x01)] 行 276340: 07-28 16:51:47.882 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CODEC_ST[2] event:BTA_AG_SCO_OPEN_E[1] 行 276341: 07-28 16:51:47.882 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:950 bta_ag_sco_event: BTA_AG_SCO_CODEC_ST: Ignoring event BTA_AG_SCO_OPEN_E[1] 行 276479: 07-28 16:51:47.905 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CODEC_ST[2] event:BTA_AG_SCO_CN_DONE_E[3] 行 276501: 07-28 16:51:47.908 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CODEC_ST(0x02)]->[BTA_AG_SCO_OPENING_ST(0x03)] after event [BTA_AG_SCO_CN_DONE_E(0x03)] 行 276686: 07-28 16:51:47.939 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPENING_ST[3] event:BTA_AG_SCO_CONN_OPEN_E[7] 行 276687: 07-28 16:51:47.939 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPENING_ST(0x03)]->[BTA_AG_SCO_OPEN_ST(0x06)] after event [BTA_AG_SCO_CONN_OPEN_E(0x07)] 行 295009: 07-28 16:51:56.779 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPEN_ST[6] event:BTA_AG_SCO_CLOSE_E[5] 行 295014: 07-28 16:51:56.779 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPEN_ST(0x06)]->[BTA_AG_SCO_CLOSING_ST(0x07)] after event [BTA_AG_SCO_CLOSE_E(0x05)] 行 295580: 07-28 16:51:56.838 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CLOSING_ST[7] event:BTA_AG_SCO_CONN_CLOSE_E[8] 行 295583: 07-28 16:51:56.838 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CLOSING_ST(0x07)]->[BTA_AG_SCO_LISTEN_ST(0x01)] after event [BTA_AG_SCO_CONN_CLOSE_E(0x08)] 行 311318: 07-28 16:52:09.208 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_LISTEN_ST[1] event:BTA_AG_SCO_OPEN_E[1] 行 311321: 07-28 16:52:09.208 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CODEC_ST[2] event:BTA_AG_SCO_CN_DONE_E[3] 行 311328: 07-28 16:52:09.209 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CODEC_ST(0x02)]->[BTA_AG_SCO_OPENING_ST(0x03)] after event [BTA_AG_SCO_CN_DONE_E(0x03)] 行 311329: 07-28 16:52:09.209 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_LISTEN_ST(0x01)]->[BTA_AG_SCO_OPENING_ST(0x03)] after event [BTA_AG_SCO_OPEN_E(0x01)] 行 311470: 07-28 16:52:09.233 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPENING_ST[3] event:BTA_AG_SCO_CONN_OPEN_E[7] 行 311471: 07-28 16:52:09.233 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPENING_ST(0x03)]->[BTA_AG_SCO_OPEN_ST(0x06)] after event [BTA_AG_SCO_CONN_OPEN_E(0x07)] 行 332093: 07-28 16:52:25.731 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPEN_ST[6] event:BTA_AG_SCO_CLOSE_E[5] 行 332099: 07-28 16:52:25.732 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPEN_ST(0x06)]->[BTA_AG_SCO_CLOSING_ST(0x07)] after event [BTA_AG_SCO_CLOSE_E(0x05)] 行 332393: 07-28 16:52:25.768 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CLOSING_ST[7] event:BTA_AG_SCO_CONN_CLOSE_E[8] 行 332396: 07-28 16:52:25.768 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CLOSING_ST(0x07)]->[BTA_AG_SCO_LISTEN_ST(0x01)] after event [BTA_AG_SCO_CONN_CLOSE_E(0x08)] 行 364380: 07-28 16:53:51.605 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_LISTEN_ST[1] event:BTA_AG_SCO_OPEN_E[1] 行 364383: 07-28 16:53:51.605 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CODEC_ST[2] event:BTA_AG_SCO_CN_DONE_E[3] 行 364393: 07-28 16:53:51.605 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CODEC_ST(0x02)]->[BTA_AG_SCO_OPENING_ST(0x03)] after event [BTA_AG_SCO_CN_DONE_E(0x03)] 行 364394: 07-28 16:53:51.605 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_LISTEN_ST(0x01)]->[BTA_AG_SCO_OPENING_ST(0x03)] after event [BTA_AG_SCO_OPEN_E(0x01)] 行 368083: 07-28 16:53:52.026 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPENING_ST[3] event:BTA_AG_SCO_OPEN_E[1] 行 368084: 07-28 16:53:52.026 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1015 bta_ag_sco_event: BTA_AG_SCO_OPENING_ST: Ignoring event BTA_AG_SCO_OPEN_E[1] 行 368806: 07-28 16:53:52.121 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPENING_ST[3] event:BTA_AG_SCO_CONN_OPEN_E[7] 行 368808: 07-28 16:53:52.121 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPENING_ST(0x03)]->[BTA_AG_SCO_OPEN_ST(0x06)] after event [BTA_AG_SCO_CONN_OPEN_E(0x07)] 行 394142: 07-28 16:54:10.988 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0x0000 state:BTA_AG_SCO_OPEN_ST[6] event:BTA_AG_SCO_CLOSE_E[5] 行 394144: 07-28 16:54:10.989 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_OPEN_ST(0x06)]->[BTA_AG_SCO_CLOSING_ST(0x07)] after event [BTA_AG_SCO_CLOSE_E(0x05)] 行 394584: 07-28 16:54:11.058 3703 4045 I bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:822 bta_ag_sco_event: device:xx:xx:xx:xx:ba:5f index:0xffff state:BTA_AG_SCO_CLOSING_ST[7] event:BTA_AG_SCO_CONN_CLOSE_E[8] 行 394587: 07-28 16:54:11.058 3703 4045 W bluetooth: packages/modules/MiuiBluetooth/system/bta/ag/bta_ag_sco.cc:1331 bta_ag_sco_event: SCO_state_change: [BTA_AG_SCO_CLOSING_ST(0x07)]->[BTA_AG_SCO_LISTEN_ST(0x01)] after event [BTA_AG_SCO_CONN_CLOSE_E(0x08)]
07-30
### 三级标题:蓝牙日志分析:解读bta_ag_sco_event事件及其状态转换流程 在蓝牙通信中,`bta_ag_sco_event`事件是蓝牙音频网关(AG)模块中用于处理SCO链路状态变化的核心机制SCO链路蓝牙HFP(Hands-Free Profile)协议中的重要组成部分,用于传输高质量的语音数据,尤其是在接听电话时建立音频连接[^1]。 在日志中,`bta_ag_sco_event`事件通常伴随着状态变化,例如SCO连接建立、断开、重新连接等。这些事件由蓝牙协议栈中的`bta_ag_sco_open`函数触发,其调用时机决定了SCO链路建立方式和时机[^1]。例如: ```c bta_ag_sco_open(p_scb, p_data); ``` 该函数的调用会引发一系列状态变化事件,包括但不限于: - `BTA_AG_SCO_OPEN_EVT`: 表示SCO链路已成功打开。 - `BTA_AG_SCO_CLOSE_EVT`: 表示SCO链路已关闭。 - `BTA_AG_SCO_CONN_EVT`: 表示SCO连接建立。 - `BTA_AG_SCO_DISCONN_EVT`: 表示SCO连接已断开。 这些事件的处理流程通常在`bta_ag_sco_event`函数中完成,该函数会根据当前的状态和事件类型执行相应的操作。例如,在接听电话时,`bta_ag_send_call_inds`函数会被调用,用于发送呼叫状态指示,从而触发SCO链路建立[^1]。 ```c bta_ag_send_call_inds(p_scb, p_data); ``` 在日志中,可以观察到`bta_ag_sco_event`相关的状态变化信息,例如: ``` 07-28 16:53:53.334 1389 15250 I PAL: Stream: connectStreamDevice_l: 1180: stream is already connected to device 29 name PAL_DEVICE_IN_BLUETOOTH_SCO_HEADSET - return ``` 该日志表明音频流已经连接蓝牙SCO耳机设备,表明SCO链路已经成功建立。 此外,`bta_ag_sco_event`事件的处理还涉及到底层协议栈的交互,例如RFCOMM协议。RFCOMM协议用于模拟串口通信,确保音频数据能够正确传输。在日志中,可以观察到相关的调用信息,例如: ``` 07-28 16:50:01.995 1584 5947 D APM::HwModule: createDevice: adding dynamic device AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, @:SUPPRESSED to module primary ``` 该日志表明系统正在创建蓝牙SCO耳机设备,并将其添加到音频硬件模块中,为后续的音频流传输做好准备[^1]。 在处理`bta_ag_sco_event`事件时,还需要考虑两种不同的音频连接模式:inband和no-inband。这两种模式在HFP规范中定义了不同的SCO链路建立流程。例如,inband模式要求在接听电话之前建立SCO链路,而no-inband模式则允许在电话接通之后建立链路[^1]。 ###
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