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- --- 模块功能:音频播放.
- -- 支持MP3、amr文件播放;
- -- 支持本地TTS播放、通话中TTS播放到对端(需要使用支持TTS功能的core软件)
- -- @module audio
- -- @author openLuat
- -- @license MIT
- -- @copyright openLuat
- -- @release 2018.3.19
- require "common"
- require "misc"
- require "utils"
- module(..., package.seeall)
- local req = ril.request
- local stopCbFnc
- --tts速度,默认50
- local ttsSpeed = 50
- --喇叭音量和mic音量等级
- local sVolume,sMicVolume = 4,1
- local sCallVolume = 4
- --音频播放的协程ID
- local taskID
- --播放和停止请求队列,用于存储通过调用audio.play和audio.stop接口允许播放和停止播放的请求项
- --每个播放请求项为table类型,数据结构如下(参考本文件中的play接口注释)
- --priority:播放优先级
- --type:播放类型
- --path:播放音频内容
- --vol:播放音量
- --cbFnc:播放结束后的回调函数
- --dup:是否重复播放
- --dupInterval:重复播放的间隔,单位毫秒
- --每个停止请求项为table类型,数据结构如下(参考本文件中的stop接口注释)
- --type:固定为"STOP"
- --cbFnc:停止播放后的回调函数
- local audioQueue = {}
- --sStrategy:优先级相同时的播放策略,0(表示继续播放正在播放的音频,忽略请求播放的新音频),1(表示停止正在播放的音频,播放请求播放的新音频)
- local sStrategy
- local function isTtsStopResultValid()
- local version = string.match(rtos.get_version(),"(%d+)_RDA")
- if version then
- return tonumber(version)>=8
- else
- return false
- end
- end
- local function handleCb(item,result)
- log.info("audio.handleCb",item.cbFnc,result)
- if item.cbFnc then item.cbFnc(result) end
- table.remove(audioQueue,1)
- end
- local function handlePlayInd(item,key,value)
- log.info("audio.handlePlayInd",key,value)
- --播放结束
- if key=="RESULT" then
- --播放成功
- if value then
- if item.dup then
- if item.dupInterval>0 then
- log.info("audio.handlePlayInd",item.type,"dup wait LIB_AUDIO_PLAY_IND or timeout",item.dupInterval)
- local result,reason = sys.waitUntil("LIB_AUDIO_PLAY_IND",item.dupInterval)
- log.info("audio.handlePlayInd",item.type,"dup wait",reason or "timeout")
- if result then
- log.warn("audio.handlePlayInd",item.type,"dup wait error",reason)
- handleCb(item,reason=="NEW" and 4 or 5)
- end
- end
- else
- handleCb(item,0)
- end
- --播放失败
- else
- log.warn("audio.handlePlayInd",item.type,"play cnf error")
- handleCb(item,1)
- end
- --新的优先级更高的播放请求
- elseif key=="NEW" then
- log.warn("audio.handlePlayInd",item.type,"priority error")
- handleCb(item,4)
- --主动调用audio.stop
- elseif key=="STOP" then
- log.warn("audio.handlePlayInd",item.type,"stop error",result)
- handleCb(item,5)
- end
- end
- local ttsEngineInited
- local audioTaskWaitPlayEntry
- local function audioTask()
- while true do
- if #audioQueue==0 then
- log.info("audioTask","wait LIB_AUDIO_PLAY_ENTRY")
- audioTaskWaitPlayEntry = true
- sys.waitUntil("LIB_AUDIO_PLAY_ENTRY")
- audioTaskWaitPlayEntry = false
- end
- local item = audioQueue[1]
- log.info("audioTask",item.type,"#audioQueue",#audioQueue)
- if item.type=="FILE" then
- --队列中有优先级高的请求等待处理
- if #audioQueue>1 then
- log.warn("audioTask",item.type,"priority low")
- local behind = audioQueue[2]
- handleCb(item,behind.type=="STOP" and 5 or 4)
- else
- setVolume(item.vol)
- local result
- if type(item.path)=="table" then
- if (item.path[1]):match("%.amr$") or (item.path[1]):match("%.AMR$") then
- local dataBuf = {}
- for i=1,#item.path do
- table.insert(dataBuf,(io.readFile(item.path[i])):sub(i==1 and 1 or 7,-1))
- end
- result = audiocore.playdata(table.concat(dataBuf),audiocore.AMR)
- elseif (item.path[1]):match("%.pcm$") or (item.path[1]):match("%.PCM$") then
- local dataBuf = {}
- for i=1,#item.path do
- table.insert(dataBuf,io.readFile(item.path[i]))
- end
- result = audiocore.playdata(table.concat(dataBuf),audiocore.PCM)
- elseif (item.path[1]):match("%.mp3$") or (item.path[1]):match("%.MP3$") then
- local dataBuf = {}
- for i=1,#item.path do
- table.insert(dataBuf,io.readFile(item.path[i]))
- end
- result = audiocore.playdata(table.concat(dataBuf),audiocore.MP3)
- elseif (item.path[1]):match("%.wav$") or (item.path[1]):match("%.WAV$") then
- local dataBuf = {}
- for i=1,#item.path do
- table.insert(dataBuf,io.readFile(item.path[i]))
- end
- result = audiocore.playdata(table.concat(dataBuf),audiocore.WAV)
- else
- result = false
- end
- --result = audiocore.play(unpack(item.path))
- else
- if item.path:match("%.wav$") or item.path:match("%.WAV$") then
- result = audiocore.playdata(io.readFile(item.path),audiocore.WAV)
- else
- result =audiocore.play(item.path)
- end
- end
- if result then
- --等待三种消息(播放结束、主动调用audio.stop、新的优先级更高的播放请求)
- log.info("audioTask",item.type,"wait LIB_AUDIO_PLAY_IND")
- local _,key,value = sys.waitUntil("LIB_AUDIO_PLAY_IND")
- log.info("audioTask",item.type,"recv LIB_AUDIO_PLAY_IND",key,value)
- audiocore.stop()
- handlePlayInd(item,key,value)
- else
- log.warn("audioTask",item.type,"audiocore.play error")
- audiocore.stop()
- handleCb(item,1)
- end
- end
- elseif item.type=="TTS" or item.type=="TTSCC" then
- --队列中有优先级高的请求等待处理
- if #audioQueue>1 then
- log.warn("audioTask",item.type,"priority low")
- local behind = audioQueue[2]
- handleCb(item,behind.type=="STOP" and 5 or 4)
- else
- setVolume(item.vol)
- if item.type=="TTS" then
- if not ttsEngineInited then
- ttsply.initEngine()
- ttsEngineInited = true
- end
- ttsply.setParm(0,ttsSpeed)
- --队列中有优先级高的请求等待处理
- if #audioQueue>1 then
- log.warn("audioTask",item.type,"priority low1")
- if isTtsStopResultValid() then
- if ttsply.stop() then
- sys.waitUntil("LIB_AUDIO_PLAY_IND",2000)
- end
- else
- ttsply.stop()
- sys.waitUntil("LIB_AUDIO_PLAY_IND",500)
- end
- local behind = audioQueue[2]
- handleCb(item,behind.type=="STOP" and 5 or 4)
- else
- ttsply.play(common.utf8ToGb2312(item.path))
- --等待三种消息(播放结束、主动调用audio.stop、新的优先级更高的播放请求)
- log.info("audioTask",item.type,"wait LIB_AUDIO_PLAY_IND")
- local _,key,value = sys.waitUntil("LIB_AUDIO_PLAY_IND")
- log.info("audioTask",item.type,"recv LIB_AUDIO_PLAY_IND",key,value)
- if item.type=="TTS" then
- if isTtsStopResultValid() then
- --log.info("tts 1")
- if ttsply.stop() then
- --log.info("tts 2")
- sys.waitUntil("LIB_AUDIO_PLAY_IND",2000)
- end
- --log.info("tts 3")
- else
- ttsply.stop()
- sys.waitUntil("LIB_AUDIO_PLAY_IND",500)
- end
- else
- end
- handlePlayInd(item,key,value)
- end
- else
- end
- end
- elseif item.type=="RECORD" then
- --队列中有优先级高的请求等待处理
- if #audioQueue>1 then
- log.warn("audioTask",item.type,"priority low")
- local behind = audioQueue[2]
- handleCb(item,behind.type=="STOP" and 5 or 4)
- else
- setVolume(item.vol)
- f,d=record.getSize()
- req("AT+AUDREC=1,0,2,"..item.path..","..d*1000)
- --等待三种消息(播放结束、主动调用audio.stop、新的优先级更高的播放请求)
- log.info("audioTask",item.type,"wait LIB_AUDIO_PLAY_IND")
- local _,key,value = sys.waitUntil("LIB_AUDIO_PLAY_IND")
- log.info("audioTask",item.type,"recv LIB_AUDIO_PLAY_IND",key,value)
- req("AT+AUDREC=1,0,3,"..item.path..","..d*1000)
- sys.waitUntil("LIB_AUDIO_RECORD_STOP_RESULT")
- handlePlayInd(item,key,value)
- end
- elseif item.type=="STOP" then
- if item.cbFnc then item.cbFnc(0) end
- table.remove(audioQueue,1)
- end
- end
- end
- --- 播放音频
- -- @number priority 音频优先级,数值越大,优先级越高
- -- 优先级高的播放请求会终止优先级低的播放
- -- 相同优先级的播放请求,播放策略参考:audio.setStrategy接口
- -- @string type 音频类型,目前仅支持"FILE"、"TTS"
- -- @string path 音频文件路径,跟typ有关
- -- typ为"FILE"时:表示音频文件路径
- -- typ为"TTS"时:表示要播放的UTF8编码格式的数据
- -- @number[opt=4] vol 播放音量,取值范围0到7,0为静音
- -- @function[opt=nil] cbFnc 音频播放结束时的回调函数,回调函数的调用形式如下:
- -- cbFnc(result)
- -- result表示播放结果:
- -- 0-播放成功结束;
- -- 1-播放出错
- -- 2-播放优先级不够,没有播放
- -- 3-传入的参数出错,没有播放
- -- 4-被新的播放请求中止
- -- 5-调用audio.stop接口主动停止
- -- @bool[opt=nil] dup 是否循环播放,true循环,false或者nil不循环
- -- @number[opt=0] dupInterval 循环播放间隔(单位毫秒),dup为true时,此值才有意义
- -- @return result,bool或者nil类型,同步调用成功返回true,否则返回false
- -- @usage audio.play(0,"FILE","/lua/call.mp3")
- -- @usage audio.play(0,"FILE","/lua/call.mp3",7)
- -- @usage audio.play(0,"FILE","/lua/call.mp3",7,cbFnc)
- -- @usage 更多用法参考demo/audio/testAudio.lua
- function play(priority,type,path,vol,cbFnc,dup,dupInterval)
- log.info("audio.play",priority,type,path,vol,cbFnc,dup,dupInterval)
- if not taskID then
- taskID = sys.taskInit(audioTask)
- end
- local item = {priority=priority,type=type,path=path,vol=vol or 4,cbFnc=cbFnc,dup=dup,dupInterval=dupInterval or 0}
- if #audioQueue==0 then
- table.insert(audioQueue,item)
- sys.publish("LIB_AUDIO_PLAY_ENTRY")
- else
- local front = audioQueue[#audioQueue]
- if front.type=="STOP" then
- table.insert(audioQueue,item)
- else
- if priority>front.priority or (priority==front.priority and sStrategy==1) then
- table.insert(audioQueue,item)
- if not audioTaskWaitPlayEntry then
- sys.publish("LIB_AUDIO_PLAY_IND","NEW")
- end
- else
- log.warn("audio.play","priority error")
- if cbFnc then cbFnc(2) end
- end
- end
- end
- return true
- end
- --- 停止音频播放
- -- @function[opt=nil] cbFnc 停止音频播放的回调函数(停止结果通过此函数通知用户),回调函数的调用形式为:
- -- cbFnc(result)
- -- result:number类型
- -- 0表示停止成功
- -- @return nil
- -- @usage audio.stop()
- function stop(cbFnc)
- log.info("audio.stop",cbFnc)
- if #audioQueue==0 then
- if cbFnc then cbFnc(0) end
- else
- table.insert(audioQueue,{type="STOP",cbFnc=cbFnc})
- sys.publish("LIB_AUDIO_PLAY_IND","STOP")
- end
- end
- local function audioMsg(msg)
- --log.info("audio.MSG_AUDIO",msg.play_end_ind,msg.play_error_ind)
- sys.publish("LIB_AUDIO_PLAY_IND","RESULT",msg.play_end_ind)
- end
- --注册core上报的rtos.MSG_AUDIO消息的处理函数
- rtos.on(rtos.MSG_AUDIO,audioMsg)
- rtos.on(rtos.MSG_TTSPLY_STATUS, function() log.info("rtos.MSG_TTSPLY_STATUS") sys.publish("LIB_AUDIO_PLAY_IND","RESULT",true) end)
- rtos.on(rtos.MSG_TTSPLY_ERROR, function() log.info("rtos.MSG_TTSPLY_ERROR") sys.publish("LIB_AUDIO_PLAY_IND","RESULT",false) end)
- --- 设置喇叭音量等级
- -- @number vol 音量值为0-7,0为静音
- -- @return bool result,设置成功返回true,失败返回false
- -- @usage audio.setVolume(7)
- function setVolume(vol)
- local result = audiocore.setvol(vol)
- if result == 1 then
- result = true
- elseif result == 0 then
- result = false
- end
- if result then sVolume = vol end
- return result
- end
- --- 设置通话音量等级
- -- @number vol 音量值为0-7,0为静音
- -- @return bool result,设置成功返回true,失败返回false
- -- @usage audio.setCallVolume(7)
- function setCallVolume(vol)
- --local result = audiocore.setsphvol(vol)
- --if result then sCallVolume = vol end
- --return result
- audiocore.setsphvol(vol)
- sCallVolume = vol
- return true
- end
- -- 设置麦克音量等级
- -- @number vol,音量值为0-15,0为静音
- -- @return bool result,设置成功返回true,失败返回false
- -- @usage audio.setMicVolume(14)
- function setMicVolume(vol)
- ril.request("AT+CMIC="..audiocore.LOUDSPEAKER..","..vol)
- return true
- end
- ril.regRsp("+CMIC",function(cmd,success)
- if success then
- sMicVolume = tonumber(cmd:match("CMIC=%d+,(%d+)"))
- end
- end)
- --- 设置mic增益等级
- -- 通话时mic增益在通话建立成功之后设置才有效
- -- 录音mic增益设置后实时生效
- -- @string mode 增益类型
- -- "call"表示通话中mic增益
- -- "record"表示录音mic增益
- -- @number level 增益等级,取值为0-7
- -- @return bool result,设置成功返回true,失败返回false
- -- @usage audio.setMicGain("record",7),设置录音时mic增益为7级
- function setMicGain(mode, level)
- if (mode ~= "call" and mode ~= "record") or (level > 7 and level < 0) then
- return false
- else
- local gainHex
- if level == 7 then
- gainHex = string.format("%02X%02X%02X%02X", 7, 0, 15, 0)
- else
- gainHex = string.format("%02X%02X%02X%02X", level, 0, level * 2, 0)
- end
- if mode == "call" then
- ril.request("AT+CACCP=5,1,0," .. gainHex)
- ril.request("AT+CACCP=0,1,0," .. gainHex)
- elseif mode == "record" then
- ril.request("AT+CACCP=2,1,6," .. gainHex)
- end
- return true
- end
- end
- --- 获取喇叭音量等级
- -- @return number vol,喇叭音量等级
- -- @usage audio.getVolume()
- function getVolume()
- return sVolume
- end
- --- 获取通话音量等级
- -- @return number vol,通话音量等级
- -- @usage audio.getCallVolume()
- function getCallVolume()
- return sCallVolume
- end
- -- 获取麦克音量等级
- -- @return number vol,麦克音量等级
- -- @usage audio.getMicVolume()
- function getMicVolume()
- return sMicVolume
- end
- --- 设置优先级相同时的播放策略
- -- @number strategy 优先级相同时的播放策略;
- -- 0:表示继续播放正在播放的音频,忽略请求播放的新音频
- -- 1:表示停止正在播放的音频,播放请求播放的新音频
- -- @return nil
- -- @usage audio.setStrategy(0)
- -- @usage audio.setStrategy(1)
- function setStrategy(strategy)
- sStrategy=strategy
- end
- --- 设置TTS朗读速度
- -- @number speed 速度范围为0-100,默认50
- -- @return bool result,设置成功返回true,失败返回false
- -- @usage audio.setTTSSpeed(70)
- function setTTSSpeed(speed)
- if type(speed) == "number" and speed >= 0 and speed <= 100 then
- ttsSpeed = speed
- return true
- end
- end
- --- 设置音频输入、输出通道
- -- 设置后实时生效
- -- @number[opt=2] output 0:earphone听筒,1:headphone耳机,2:speaker喇叭
- -- @number[opt=0] input 0:主mic,3:耳机mic
- -- @return nil
- -- @usage
- -- 设置为听筒输出:audio.setChannel(0)
- -- 设置为耳机输出:audio.setChannel(1)
- -- 设置为喇叭输出:audio.setChannel(2)
- -- 设置为喇叭输出、耳机mic输入:audio.setChannel(2,3)
- function setChannel(output, input)
- local version = string.match(rtos.get_version(), "(%d+)_RDA")
- if not version or tonumber(version) >= 9 then --匹配不到,兼容其它版本 或者大于版本9
- audiocore.setchannel(output or 2, input or 0)
- else
- ril.request("AT+AUDCH="..(output==1 and 1 or 2))
- end
- end
- --默认音频通道设置为LOUDSPEAKER,因为目前的模块只支持LOUDSPEAKER通道
- audiocore.setchannel(audiocore.LOUDSPEAKER)
- --默认音量等级设置为4级,4级是中间等级,最低为0级,最高为7级
- setVolume(sVolume)
- setCallVolume(sCallVolume)
- --默认MIC音量等级设置为1级,最低为0级,最高为15级
- setMicVolume(sMicVolume)
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