PJSUA2-Python-如何处理回调和createRecorder?
在浏览了PJSIP库站点中可用的pygui代码之后,我修改了下面的示例。我有两个问题PJSUA2-Python-如何处理回调和createRecorder?,python,python-3.x,pjsip,pjsua2,Python,Python 3.x,Pjsip,Pjsua2,在浏览了PJSIP库站点中可用的pygui代码之后,我修改了下面的示例。我有两个问题 在每个回调函数中,最后我需要添加一个伪raise异常,否则它会出现错误。例如,如果我注释onIncomingCall的虚拟异常,传入呼叫将断开连接,并出现500错误。在pyGUI中,ttk.master.after()似乎起着关键作用。因为我正在一个无头服务器(仅指cli)中尝试它,所以不确定如何处理它 当我尝试创建记录器时,出现以下错误: 回溯(最后一次调用):文件“pjsua2_cli_demo.py”,第
import pjsua2 as pj
import time
# Subclass to extend the Account and get notifications etc.
ep=None
# Call class
class Call(pj.Call):
"""
High level Python Call object, derived from pjsua2's Call object.
"""
def __init__(self, acc, peer_uri='', chat=None, call_id = pj.PJSUA_INVALID_ID):
pj.Call.__init__(self, acc, call_id)
self.acc = acc
self.aud_med=pj.AudioMedia
def onCallState(self, prm):
ci = self.getInfo()
self.connected = ci.state == pj.PJSIP_INV_STATE_CONFIRMED
self.recorder=None
if(self.connected ==True):
player=pj.AudioMediaPlayer()
#Play welcome message
player.createPlayer('xxxxxxxxxxxxxx/PJSUA2/example/pygui/welcomeFull.wav');
self.recorder=pj.AudioMediaRecorder()
self.recorder.createRecorder('xxxxxxxxxxx/PJSUA2/example/pygui/file.wav', enc_type=0, max_size=0, options=0);
i=0
for media in ci.media:
if (media.type == pj.PJMEDIA_TYPE_AUDIO):
self.aud_med = self.getMedia(i);
break;
i=i+1;
if self.aud_med!=None:
# This will connect the sound device/mic to the call audio media
mym= pj.AudioMedia.typecastFromMedia(self.aud_med)
player.startTransmit( mym);
#mym.startTransmit( self.recorder);
if(ci.state==pj.PJSIP_INV_STATE_DISCONNECTED):
print(">>>>>>>>>>>>>>>>>>>>>>> Call disconnected")
#mym= pj.AudioMedia.typecastFromMedia(self.aud_med)
#mym.stopTransmit(self.recorder);
raise Exception('onCallState done!')
if self.chat:
self.chat.updateCallState(self, ci)
def onCallMediaState(self, prm):
ci = self.getInfo()
for mi in ci.media:
if mi.type == pj.PJMEDIA_TYPE_AUDIO and \
(mi.status == pj.PJSUA_CALL_MEDIA_ACTIVE or \
mi.status == pj.PJSUA_CALL_MEDIA_REMOTE_HOLD):
if mi.status == pj.PJSUA_CALL_MEDIA_REMOTE_HOLD and not self.onhold:
self.chat.addMessage(None, "'%s' sets call onhold" % (self.peerUri))
self.onhold = True
elif mi.status == pj.PJSUA_CALL_MEDIA_ACTIVE and self.onhold:
self.chat.addMessage(None, "'%s' sets call active" % (self.peerUri))
self.onhold = False
raise Exception('onCallMediaState done!')
class Account(pj.Account):
def onRegState(self, prm):
print ("***OnRegState: " + prm.reason)
def onIncomingCall(self, prm):
c = Call(self, call_id=prm.callId)
call_prm = pj.CallOpParam()
call_prm.statusCode = 180
c.answer(call_prm)
ci = c.getInfo()
msg = "Incoming call from '%s'" % (ci.remoteUri)
print(msg)
call_prm.statusCode = 200
c.answer(call_prm)
raise Exception('onIncomingCall done!')
# pjsua2 test function
def pjsua2_test():
# Create and initialize the library
ep_cfg = pj.EpConfig()
ep_cfg.uaConfig.threadCnt = 0
ep_cfg.uaConfig.mainThreadOnly = False
ep = pj.Endpoint()
ep.libCreate()
ep.libInit(ep_cfg)
# Create SIP transport. Error handling sample is shown
sipTpConfig = pj.TransportConfig();
sipTpConfig.port = 12345;
tp=ep.transportCreate(pj.PJSIP_TRANSPORT_UDP, sipTpConfig);
# Start the library
ep.libStart();
acfg = pj.AccountConfig();
acfg.idUri = "sip:192.168.1.11:12345";
# Create the account
acc = Account();
acc.create(acfg)
while True:
ep.libHandleEvents(10)
ep.libDestroy()
del ep;
#
# main()
#
if __name__ == "__main__":
pjsua2_test()
在编译pjsua swig之前,将以下行添加到pjsip apps/src/swig文件夹中的pjsua2.i
%inline %{
pj_ssize_t new_pj_ssize_t(int s) {
return (pj_ssize_t) s;
}
%}
使用这个额外的函数,您可以创建一个pj_ssize_t类型的变量,并将其传递给createRecorder函数
max_size=pj.new_pj_ssize_t(0)
recorder.createRecorder(file_to_record, max_size=max_size)
基于讨论
的解决方法,你能解决这个问题吗?不,我转到C++。但我能够解决除createRecorder之外的所有问题。此外,我还通过使用ffmpeg直接指向文件进行了POC。如果感兴趣,将上传到github并共享。想法是创建一个虚拟音频设备,并将其用作终端设备,在Linux操作系统级别使用ffmpeg写入文件。我想知道您是如何解决onIncomingCall上的回调问题的。你能通过github共享POC吗?不幸的是,我的硬盘坏了。我能恢复的,我上传到了。尚未测试(恢复后)。它还具有将音频发送到虚拟声音设备的代码,虚拟声音设备将进一步使用ffmpeg将语音重定向到wav文件。你会有一个想法的。