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
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