Is this can help to solve my first problem???? thank you.
> 2013/8/27, zhim wu <
address@hidden>:
>> Hi all:
>>
>> I'm trying to hack linphone, but facing some problem.
>>
>> First, the ALSA seems can not work in my machine. When I start
>> linphonec, I got:
>>
>> ALSA lib conf.c:4631:(snd_config_expand) Unknown parameters 0
>> ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL default:0
>> ALSA lib conf.c:4631:(snd_config_expand) Unknown parameters 0
>> ALSA lib pcm.c:2209:(snd_pcm_open_noupdate) Unknown PCM default:0
>> ALSA lib conf.c:4631:(snd_config_expand) Unknown parameters 0
>> ALSA lib pcm.c:2209:(snd_pcm_open_noupdate) Unknown PCM default:0
>> Ready
>> Warning: video is disabled in linphonec, use -V or -C or -D to enable.
>> linphonec>
>>
>> If I change function alsa_card_new() in
>> .../mediastreamer2/src/alsa.c to using "default", instead of "default:%d",
>> the output of linphonec will be:
>>
>> Ready
>> Warning: video is disabled in linphonec, use -V or -C or -D to enable.
>> linphonec>
>>
>> I executed the linphonec with my regular user account, and I have
>> added this user account into pulse/pulse-access/audio group. I guess the
>> above problem is due to permission, but I don't know how to fix it.
>>
>>
>> Second, on the basis of the above. I try to play wav file with
>> linphonec, but It can't work too. I used this:
>>
>> linphonec>
>> linphonec> soundcard list
>> 0: ALSA: default device
>> 1: ALSA: Ensoniq AudioPCI
>> linphonec> soundcard use files
>> Using wav files instead of soundcard.
>> linphonec> play /home/zdw/hello16000.wav
>> linphonec>
>>
>> It give me nothing, no info, no error, and no sound. I tried to
>> trace with gdb, founding one reason in
>> linphonecore.c:linphone_core_set_play_file().
>>
>> void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
>> if (lc->play_file!=NULL){
>> ms_free(lc->play_file);
>> lc->play_file=NULL;
>> }
>> if (file!=NULL) {
>> lc->play_file=ms_strdup(file);
>> if (lc->audiostream)
>> audio_stream_play(lc->audiostream,file);
>> }
>> }
>>
>> The lc->audiostream get NULL val, but it shouldn't be. I found
>> audiostream field of LinphoneCore struct would be set in
>> function linphone_core_init_media_streams , but I find no place where this
>> function get called in linphonec directly or indirectly, maybe I missed
>> something.
>>
>> I used to be an embedded linux developer, and I'm not familiar with
>> sip or other VOIP stuff, so I think is there some stuff/tutorial/guid suit
>> for my development quickly? thanks a lot.
>>
>
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