I'm trying to conserve processor power by recording in native file format, PCMU in my case. It works great with the following line session:execute("record", "/tmp/my_recording."..session:getVariable("read_codec")); however it fails to work with session:execute("record_session", "/tmp/my_recording."..session:getVariable("read_codec")); or record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording.'..session:getVariable("read_codec")); Why is it that it works with record, but not with record_session or uuid_record? Is there something I'm over looking? In the latter two the consul reports 2009-11-22 18:39:04.265284 [INFO] mod_native_file.c:82 Opening File [/tmp/my_recording.PCMU] 8000hz as if it's recording, but /tmp/my_recording.PCMU never shows up. However if I change it to .wav instead of .PCMU it works. Any ideas? --matt
did you try without any .wav or .PCMU? 2009/11/23 Matthew Fong <mattdfong@gmail.com>
I'm trying to conserve processor power by recording in native file format, PCMU in my case. It works great with the following line
session:execute("record", "/tmp/my_recording."..session:getVariable("read_codec"));
however it fails to work with
session:execute("record_session", "/tmp/my_recording."..session:getVariable("read_codec")); or record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording.'..session:getVariable("read_codec"));
Why is it that it works with record, but not with record_session or uuid_record? Is there something I'm over looking? In the latter two the consul reports
2009-11-22 18:39:04.265284 [INFO] mod_native_file.c:82 Opening File [/tmp/my_recording.PCMU] 8000hz
as if it's recording, but /tmp/my_recording.PCMU never shows up. However if I change it to .wav instead of .PCMU it works. Any ideas?
--matt
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I tried removing the codec file extension from uuid_record and session_record but I'm still unable to record a file in native format for a bridged call. record WORKS!, but uuid_record and session_record do not want to record in native format. do uuid_record and session_record work with native format? or is it not going to be possible to record a bridged call in native format?...maybe because there are two different channels with a bridged call? If it isn't going to be possible, what's the best format to record bridged calls in that conserves the most processing power? .wav? Thanks. --matt DEBUG logs from console: http://pastebin.freeswitch.org/11283 Lua script: api = freeswitch.API(); --record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording'); --session:execute("record", "/tmp/my_recording"); session:execute("record_session", "/tmp/my_recording"); session:execute("playback", "somefile.wav"); On Mon, Nov 23, 2009 at 6:42 AM, Brian West <brian@freeswitch.org> wrote:
If you're doing native file you DO NOT put an extension on the file name.
/b
On Nov 22, 2009, at 5:54 PM, Seven Du wrote:
did you try without any .wav or .PCMU?
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These two options attach media bugs on to the session. Which doesn't work with native files as far as I know. /b On Nov 25, 2009, at 8:53 AM, Matthew Fong wrote:
record WORKS!, but uuid_record and session_record do not want to record in native format. do uuid_record and session_record work with native format? or is it not going to be possible to record a bridged call in native format?...maybe because there are two different channels with a bridged call?
so is using session_record with .wav my best option for recording bridged calls? --matt On Wed, Nov 25, 2009 at 7:18 AM, Brian West <brian@freeswitch.org> wrote:
These two options attach media bugs on to the session. Which doesn't work with native files as far as I know.
/b
On Nov 25, 2009, at 8:53 AM, Matthew Fong wrote:
record WORKS!, but uuid_record and session_record do not want to record in native format. do uuid_record and session_record work with native format? or is it not going to be possible to record a bridged call in native format?...maybe because there are two different channels with a bridged call?
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Yes On Wed, Nov 25, 2009 at 9:44 AM, Matthew Fong <mattdfong@gmail.com> wrote:
so is using session_record with .wav my best option for recording bridged calls?
--matt
On Wed, Nov 25, 2009 at 7:18 AM, Brian West <brian@freeswitch.org> wrote:
These two options attach media bugs on to the session. Which doesn't work with native files as far as I know.
/b
On Nov 25, 2009, at 8:53 AM, Matthew Fong wrote:
record WORKS!, but uuid_record and session_record do not want to record in native format. do uuid_record and session_record work with native format? or is it not going to be possible to record a bridged call in native format?...maybe because there are two different channels with a bridged call?
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-- -Rupa
http://code.google.com/p/mod-recpld/ It's out-dated. I originally wrote it to record raw G.729 codec on passthrough mode. It worked before and then we abandoned that since We felt G729 cannot deliver good sound particularly on a cross-continent network. The code is written when I don't know much about FS internals, perhaps it's easier to write some mod with indicate no-transcoding in switch_rtp.c. 2009/11/25 Rupa Schomaker <rupa@rupa.com>
Yes
On Wed, Nov 25, 2009 at 9:44 AM, Matthew Fong <mattdfong@gmail.com> wrote:
so is using session_record with .wav my best option for recording bridged calls?
--matt
On Wed, Nov 25, 2009 at 7:18 AM, Brian West <brian@freeswitch.org> wrote:
These two options attach media bugs on to the session. Which doesn't work with native files as far as I know.
/b
On Nov 25, 2009, at 8:53 AM, Matthew Fong wrote:
record WORKS!, but uuid_record and session_record do not want to record in native format. do uuid_record and session_record work with native format? or is it not going to be possible to record a bridged call in native format?...maybe because there are two different channels with a bridged call?
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-- -Rupa
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The processor power saved is negligible between PCMU and raw PCM and not worth the fuss. If you didn't decode the audio first you would not be able to mix the stream to produce a single file. So if we went to the trouble of making native media bugs to be able to do that you could barely use them so it would not be worth the 5k or more bounty to develop that functionality. On Sun, Nov 22, 2009 at 12:48 PM, Matthew Fong <mattdfong@gmail.com> wrote:
I'm trying to conserve processor power by recording in native file format, PCMU in my case. It works great with the following line
session:execute("record", "/tmp/my_recording."..session:getVariable("read_codec"));
however it fails to work with
session:execute("record_session", "/tmp/my_recording."..session:getVariable("read_codec")); or record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording.'..session:getVariable("read_codec"));
Why is it that it works with record, but not with record_session or uuid_record? Is there something I'm over looking? In the latter two the consul reports
2009-11-22 18:39:04.265284 [INFO] mod_native_file.c:82 Opening File [/tmp/my_recording.PCMU] 8000hz
as if it's recording, but /tmp/my_recording.PCMU never shows up. However if I change it to .wav instead of .PCMU it works. Any ideas?
--matt
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-- Anthony Minessale II FreeSWITCH http://www.freeswitch.org/ ClueCon http://www.cluecon.com/ Twitter: http://twitter.com/FreeSWITCH_wire AIM: anthm MSN:anthony_minessale@hotmail.com <MSN%3Aanthony_minessale@hotmail.com> GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com<PAYPAL%3Aanthony.minessale@gmail.com> IRC: irc.freenode.net #freeswitch FreeSWITCH Developer Conference sip:888@conference.freeswitch.org <sip%3A888@conference.freeswitch.org> iax:guest@conference.freeswitch.org/888 googletalk:conf+888@conference.freeswitch.org<googletalk%3Aconf%2B888@conference.freeswitch.org> pstn:213-799-1400
Yeah, that's why I had to record to two files(read&write) and need to mix together by using sox. Do you only try to using PCMU to save CPU power matt? As Anthony said, the difference can be ignored. And you also need to take extra effort to make sure transcoding will not happen on a conversation. But it maybe useful for expensive codecs like g729, iLBC, speex etc for recording heavy scenarios. I'd like to take a look if there is a 5k bounty ;) 2009/11/26 Anthony Minessale <anthony.minessale@gmail.com>
The processor power saved is negligible between PCMU and raw PCM and not worth the fuss. If you didn't decode the audio first you would not be able to mix the stream to produce a single file. So if we went to the trouble of making native media bugs to be able to do that you could barely use them so it would not be worth the 5k or more bounty to develop that functionality.
On Sun, Nov 22, 2009 at 12:48 PM, Matthew Fong <mattdfong@gmail.com>wrote:
I'm trying to conserve processor power by recording in native file format, PCMU in my case. It works great with the following line
session:execute("record", "/tmp/my_recording."..session:getVariable("read_codec"));
however it fails to work with
session:execute("record_session", "/tmp/my_recording."..session:getVariable("read_codec")); or record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording.'..session:getVariable("read_codec"));
Why is it that it works with record, but not with record_session or uuid_record? Is there something I'm over looking? In the latter two the consul reports
2009-11-22 18:39:04.265284 [INFO] mod_native_file.c:82 Opening File [/tmp/my_recording.PCMU] 8000hz
as if it's recording, but /tmp/my_recording.PCMU never shows up. However if I change it to .wav instead of .PCMU it works. Any ideas?
--matt
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-- Anthony Minessale II
FreeSWITCH http://www.freeswitch.org/ ClueCon http://www.cluecon.com/ Twitter: http://twitter.com/FreeSWITCH_wire
AIM: anthm MSN:anthony_minessale@hotmail.com <MSN%3Aanthony_minessale@hotmail.com> GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com<PAYPAL%3Aanthony.minessale@gmail.com> IRC: irc.freenode.net #freeswitch
FreeSWITCH Developer Conference sip:888@conference.freeswitch.org <sip%3A888@conference.freeswitch.org> iax:guest@conference.freeswitch.org/888 googletalk:conf+888@conference.freeswitch.org<googletalk%3Aconf%2B888@conference.freeswitch.org> pstn:213-799-1400
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If you want to go to that much trouble consider http://www.orecx.com/web/ They snoop the RTP from an entirely different box and record your calls for you. On Wed, Nov 25, 2009 at 7:35 PM, Seven Du <dujinfang@gmail.com> wrote:
Yeah, that's why I had to record to two files(read&write) and need to mix together by using sox. Do you only try to using PCMU to save CPU power matt? As Anthony said, the difference can be ignored. And you also need to take extra effort to make sure transcoding will not happen on a conversation.
But it maybe useful for expensive codecs like g729, iLBC, speex etc for recording heavy scenarios. I'd like to take a look if there is a 5k bounty ;)
2009/11/26 Anthony Minessale <anthony.minessale@gmail.com>
The processor power saved is negligible between PCMU and raw PCM and not
worth the fuss. If you didn't decode the audio first you would not be able to mix the stream to produce a single file. So if we went to the trouble of making native media bugs to be able to do that you could barely use them so it would not be worth the 5k or more bounty to develop that functionality.
On Sun, Nov 22, 2009 at 12:48 PM, Matthew Fong <mattdfong@gmail.com>wrote:
I'm trying to conserve processor power by recording in native file format, PCMU in my case. It works great with the following line
session:execute("record", "/tmp/my_recording."..session:getVariable("read_codec"));
however it fails to work with
session:execute("record_session", "/tmp/my_recording."..session:getVariable("read_codec")); or record = api:execute("sched_api", '+1 none uuid_record '..session:getVariable("uuid")..' start /tmp/my_recording.'..session:getVariable("read_codec"));
Why is it that it works with record, but not with record_session or uuid_record? Is there something I'm over looking? In the latter two the consul reports
2009-11-22 18:39:04.265284 [INFO] mod_native_file.c:82 Opening File [/tmp/my_recording.PCMU] 8000hz
as if it's recording, but /tmp/my_recording.PCMU never shows up. However if I change it to .wav instead of .PCMU it works. Any ideas?
--matt
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-- Anthony Minessale II
FreeSWITCH http://www.freeswitch.org/ ClueCon http://www.cluecon.com/ Twitter: http://twitter.com/FreeSWITCH_wire
AIM: anthm MSN:anthony_minessale@hotmail.com <MSN%3Aanthony_minessale@hotmail.com> GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com<PAYPAL%3Aanthony.minessale@gmail.com> IRC: irc.freenode.net #freeswitch
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-- Anthony Minessale II FreeSWITCH http://www.freeswitch.org/ ClueCon http://www.cluecon.com/ Twitter: http://twitter.com/FreeSWITCH_wire AIM: anthm MSN:anthony_minessale@hotmail.com <MSN%3Aanthony_minessale@hotmail.com> GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com<PAYPAL%3Aanthony.minessale@gmail.com> IRC: irc.freenode.net #freeswitch FreeSWITCH Developer Conference sip:888@conference.freeswitch.org <sip%3A888@conference.freeswitch.org> iax:guest@conference.freeswitch.org/888 googletalk:conf+888@conference.freeswitch.org<googletalk%3Aconf%2B888@conference.freeswitch.org> pstn:213-799-1400
participants (5)
-
Anthony Minessale
-
Brian West
-
Matthew Fong
-
Rupa Schomaker
-
Seven Du