Mplayer2 - Gapless Audio Uninterrupted Playback

mplayer2 --gapless-audio a.mp3 b.mp3 c.mp3

Download:
mplayer2 Official:
http://www.mplayer2.org/downloads/

Windows binary:
http://code.google.com/p/mplayer2-for-windows/downloads/list

Reference:
Differences from mplayer to mplayer2
http://www.mplayer2.org/differences/

http://en.wikipedia.org/wiki/Gapless_playback

Python - Sip2sip Outgoing call with Pjsua

Error code

sip:ID@sip2sip.info

Failed to send Request msg INVITE/cseq=19833 err=171060 (Unsupported transport (PJSIP_EUNSUPTRANSPORT))
Call with sip:ID@sip2sip.info is DISCONNCTD last code = 503 (Unsupported t
ransport (PJSIP_EUNSUPTRANSPORT)) 

Add TLS support

sip:ID@sip2sip.info;transport=tls

Reference:

http://trac.pjsip.org/repos/wiki/Using_SIP_TCP

http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2008-September/004606.html

Python - Sip2sip with Pjsua

Rebuild Python Pjsua TLS Support with VS2008

config_site.h

#include <pj/config_site_sample.h>
#define PJ_HAS_SSL_SOCK 1

VC++ Header and Library Path

Build then Install

pjproject\pjsip-apps\lib\_pjsua.pyd
python pjsip-apps\src\python\setup-vc.py install

Sip2Sip.info Authentication Script

try:
    ua_cfg = pj.UAConfig()
    ua_cfg.nameserver = ['8.8.8.8', '8.8.4.4'] # Example: Google Public DNS
    lib.init(ua_cfg=ua_cfg, log_cfg=pj.LogConfig(level=4, callback=log_cb))
    transport = lib.create_transport(pj.TransportType.TLS, pj.TransportConfig(port=5060))
    lib.start()
 
    acc_cfg = pj.AccountConfig()
    acc_cfg.id = "sip:ID@sip2sip.info"
    acc_cfg.reg_uri = "sip:sip2sip.info;transport=tls"
    acc_cfg.auth_cred = [pj.AuthCred(
        realm="sip2sip.info",
        username="USERNAME",
        passwd="PASSWORD",
    )]
    acc_cb = MyAccountCallback(acc_cfg)
    acc = lib.create_account(acc_cfg, cb=acc_cb)
except Exception, err:
    print 'Error creating account:', err

References:
http://trac.pjsip.org/repos/wiki/Getting-Started/Installing-OpenSSL-Windows
http://trac.pjsip.org/repos/wiki/TLS

Windows - VMWare Sound Audio Troubleshooting

Check Realtek Audio Manager

Ensure Both Playback and Recording Devices Working

Check VMWare player Sound Device Setting

Python - Pjsua 1.16 Build Fixes for Windows

Build Python2.7 x32 Windows 7 x64

pjsua==1.16-svn
http://svn.pjsip.org/repos/pjproject/branches/1.x/
Python2.7 <- Visual Studio 2008

VC++ Include & Library Directory (MenuBar -> Tools -> Options)

Replace python24.lib to python27.lib

py_pjsua.dsp
py_pjsua.vcproj
python_pjsua.vcproj
python_pjsua.dsp

Save as UTF-8 or Unicode (Optional)

g7221.h

Backup compiled pjsua 1.16:

pjproject\pjsip-apps\lib\_pjsua.pyd
python pjsip-apps\src\python\setup-vc.py install

https://www.dropbox.com/s/sgdrp8yxk2v6xe6/_pjsua.pyd

References: 
http://trac.pjsip.org/repos/wiki/Getting-Started/Download-Source
http://trac.pjsip.org/repos/wiki/Python_SIP/Build_Install
http://trac.pjsip.org/repos/wiki/Getting-Started/Windows

Python - Virtualenvwrapper on Ubuntu

Install pip

sudo apt-get install python-pip

Install virtualenvwrapper

pip install virtualenvwrapper
export WORKON_HOME=~/Envs
mkdir -p $WORKON_HOME
sudo echo 'source /usr/local/bin/virtualenvwrapper.sh' >> ~/.bashrc
# Restart terminal

Test

mkvirtualenv env1

Reference:
http://virtualenvwrapper.readthedocs.org/en/latest/install.html
http://roundhere.net/journal/virtualenv-ubuntu-12-10/

Python - Ubuntu Py-audio Compilation Fix

setup.py

Post Compilation Script (after python setup.py -v build)

*Final: python setup.py install

Reference:
https://code.google.com/p/py-audio/
https://code.google.com/p/py-audio/issues/detail?id=2