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Codes I don't understand
by seven du 07 Apr '09

07 Apr '09

Hi, can someone explain this to me? In switch_core_media_bug.c, around line 173: for (x = 0; x < blen; x++) { int32_t z = 0; if (x < rlen) { z += (int32_t) *(fp + x); //what's difference here with z = (int32_t) *(fp + x) ? } if (x < wlen) { z += (int32_t) *(dp + x); } switch_normalize_to_16bit(z); *(fp + x) = (int16_t) z / 2; } And for switch_normalize_to_16bit, according to switch_utils.h, #define SWITCH_SMAX 32767 #define SWITCH_SMIN -32768 #define switch_normalize_to_16bit(n) if (n > SWITCH_SMAX) n = SWITCH_SMAX / 2; else if (n < SWITCH_SMIN) n = SWITCH_SMIN / 2; Then switch_normalize_to_16bit( 32768 ), z = 32767/2, and (int16_t) z / 2 = 32767/4 switch_normalize_to_16bit( 32766) , z = 32766, and (int16_t) z / 2 = 32766/2 Does that make sense? I guess it should be like this: #define switch_normalize_to_16bit(n) if (n > SWITCH_SMAX) n = SWITCH_SMAX / 2; else if (n < SWITCH_SMIN) n = SWITCH_SMIN / 2; else n = n / 2; switch_normalize_to_16bit(z); *(fp + x) = (int16_t) z; Thank you.

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mod_spidermonkey fails to load on ubuntu
by Arnaldo de Moraes Pereira 07 Apr '09

07 Apr '09

Hi, On ubuntu 8.10, libtool 2.2, FreeSWITCH rev 12933, mod_spidermonkey builds but won't load. Error: **/usr/local/freeswitch/mod/mod_spidermonkey.so: undefined symbol: PR_LocalTimeParameters** This seems to be fixed on FSBUILD-41 ( http://jira.freeswitch.org/browse/FSBUILD-41) but I see exactly the same symptom. libs/js/nsprpub/pr/src/libnspr4.{a,so} has the symbol defined and the makefile seems to read it. Any hint? -- Arnaldo M Pereira

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MeucciSolutions@66.96.218.5
by Brian West 03 Apr '09

03 Apr '09

Does anyone else seem to be getting tons of calls from this evil IP? They keep ringing me via SIP over and over again. Brian West brian(a)freeswitch.org -- Meet us a ClueCon! http://www.cluecon.com

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Error On TLS
by Malhar Chudasama 03 Apr '09

03 Apr '09

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Audio To Buffer
by Robert Clayton 02 Apr '09

02 Apr '09

All, Is there anyway to take what would be read/written to/from a session such as streamFile/recordFile and place them in a memory buffer rather than a file allowing sudo-real time for manipulation by an application? Bob

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Lua session:playAndGetDigits regex
by Robert Clayton 02 Apr '09

02 Apr '09

All, Ok I know it must be me but... In the Lua regex portion of session:playAndGetDigits what regex would I use to match either a numeric entry, or an asterisk. It seems when I attempt to define an asterisk as a character rather than a metacharacter the regex script is evaluated other than I would assume. The error code presents \* as a single * and [*] other than a character, leading to the hint that there is no preceding character to multiply. I have at most 15 minutes of proficiency in regular expressions, but, are not \* or [*] equivalent to an asterisk character, rather than a metacharacter? Also it seems that the playAndGetDigits evaluates when either the maximum number of characters is entered or the terminator is pressed. Is there any way to evaluate the regex on each input and therefore dynamically return after an acceptable entry? As in the previous example a numeric string and a single asterisk are, usually, different lengths and if an asterisk was used for, say, abort, entering an asterisk followed by a terminator would seem incorrect. Bob

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Skype interaction commands on skypiax
by Giovanni Maruzzelli 02 Apr '09

02 Apr '09

Hi all, background: mod_skypiax is Skype compatible endpoint that allows incoming and outbound calls to/from the Skype network and SkypeOut service. It's seen by FS like other endpoints, so you can originate from sofia, bridge to skypiax, and connect the call to a landline number via SkypeOut service, for eg. skypiax endpoint use a Skype client to interact with the Skype network (see the wiki page for more details http://wiki.freeswitch.org/wiki/Skypiax) The news are: now you can send commands to the skype client related to a skyiax interface, both from the FS command line and programmatically (socket/API/esl/whatever) http://wiki.freeswitch.org/wiki/Skypiax#API_and_CLI_Commands This allow you to use directly the entire power of the Skype API ( https://developer.skype.com/Docs/ApiDoc ), for eg to send chat messages, interact with the buddy list, etc etc. Typing "console loglevel 9" at the FS command line allows you to see the Skype API answers from the Skype client instance. So, in short: you bring loglevel to 9 (so you can see the Skype API messages going back and forth), you use "sk" or "skypiax" to send Skype API commands to the Skype client instance. This way you can prototype extensions to the current mod_skypiax, that can then be implemented in C directly into the mod_skypiax source code. Please, let me know of extensions you would like to be integrated into the mod_skypiax code ;-). Sincerely, Giovanni Maruzzelli ========================================= www.celliax.org via Pierlombardo 9, 20135 Milano Italy gmaruzz at celliax dot org Cell : +39-347-2665618 Fax : +39-02-87390039

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ANNOUNCEMENT: FreeSWITCH 1.0.4pre3 Now Available
by Michael Collins 02 Apr '09

02 Apr '09

The FreeSWITCH team would like to let everyone know that the latest version is available. More information can be found here: http://www.freeswitch.org/node/172 By all means download, upgrade, test, and report back! Your feedback helps us make FreeSWITCH even better! -MC

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Mod conference, dial commad dont work without default profile + patch
by Szymon Olko 01 Apr '09

01 Apr '09

Hello, I deleted default profile from conference.conf.xml and from that time I could not connect second outgoing channel to conference. I located problem in searching for conference with 'switch_core_hash_find' function. Only name of conference is stored in hash so looking for something like 'name@profile' did not find any. In my opinion it always used second attempt to dial when conference was not found, and it successes only if default profile is available. There is also bgdial problem which do not allow to call to not existing conference, but in function conf_api_sub_bgdial it looks like it was meant to work. I have to know freeswitch code better to fix it. I created patch to solve first problem. This is my first patch so please give me comments so next time I do it better. I choose this way to learn how freeswitch modules are made. I would also like if someone could review my patch and tell me if this is a way mod_conference should work. I assumed that looking for conference is for connecting members to existing conference, and that it's should work like that. Previously it did not find conference if profile was given in command. Szymon Olko

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Call For Help: Janitor Projects
by Michael Collins 01 Apr '09

01 Apr '09

Dear FreeSWITCH Community: As you know, FreeSWITCH has been growing leaps and bounds and it's going to keep growing as the word spreads. The core development team of Anthony, Mike, and Brian are very appreciative of the community's help and involvement in the project. Simply put: the community is awesome! Some have asked how they can help. Most of us are not software developers, but that doesn't mean we can't help to grow the FreeSWITCH ecosystem. To this end I've started a "janitor projects" wiki page: http://wiki.freeswitch.org/wiki/Janitor_Projects We say "janitor" projects because they are things that help keep the project clean and organized, just like the janitor cleans an office, takes out the trash, replaces the toilet paper, etc. These are valuable services that we sometimes take for granted. However, I think we can all appreciate that the FreeSWITCH project would be better served if the developers could focus on writing code, fixing bugs, etc. and not on the easier, not-quite-as-important janitorial tasks. To that end we are inviting all who wish to volunteer to please visit the above wiki page and check out some of the projects listed so far. Email me off list if you'd like to volunteer to help. I'm maintaining a list of "janitors" and what they are helping with. If you have ideas for other janitor projects then by all means email them to me and we'll discuss them. Thanks again for being such a great community! -Michael S Collins IRC: mercutioviz See you at ClueCon 2009! http://www.cluecon.com

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