Hi,
Just FYI, there is G.729 codec with IPP implementation in the
pjmedia-codec (ipp_codecs.c), in case it can be useful.
Regards,
nanang
On Tue, Oct 14, 2008 at 8:35 PM, Samiul Aftad Chowdhury
<symbian.voip at gmail.com> wrote:
> Could you please suggest the required values for following variables
> 1. bytes per frame
> 2. encoded bytes per frame
> 3. samples per frame
>
> also the required values in default_attr()
>
> Regards,
> Aftad
>
>
> On Tue, Oct 14, 2008 at 1:39 PM, Nanang Izzuddin <nanang at pjsip.org> wrote:
>>
>> Hi,
>>
>> Sorry, I know nothing about the MIPS of ARM processors and ITU code
>> for G.729 ('proof-of-concept' code is usually not optimized). So
>> perhaps you should just give it a try.
>>
>> Regards,
>> nanang
>>
>>
>> On Tue, Oct 14, 2008 at 4:33 PM, Samiul Aftad Chowdhury
>> <symbian.voip at gmail.com> wrote:
>> > Thanks for your reply Nanang.
>> > I had doubt about the CPU load issue but so far decoding was working
>> > smoothly I thought there might be other issues that I might have missed.
>> > As
>> > I had a miss conception that encoding and decoding will use similar
>> > amount
>> > of CPU load, finally I'v understood, decoding takes far less CPU
>> > utilization
>> > then encoding hence it was working fine. I don't have any clue where can
>> > I
>> > get more optimized g723 codec for ARM processors and optimizing the ITU
>> > codec is beyond my understanding of the code.
>> >
>> > After going through some of the codecs datasheets it says
>> > for G.723.1 it takes approximatly:
>> > Encoder 5 1/3k bps requires 18 MIPS
>> > Encoder 6.4k bps requires 26 MIPS
>> > Decoder (5 1/3k bps or 6.4k bps) requires 2 MIPS
>> >
>> > where G.729 Annex A Encoder/Decoder requires 10.8 MIPS
>> >
>> > will it be suitable to use the ITU code for G.729 with pjsip-symbian ??
>> >
>> > Regards,
>> > Aftad
>> >
>> > On Mon, Oct 13, 2008 at 4:25 PM, Nanang Izzuddin <nanang at pjsip.org>
>> > wrote:
>> >>
>> >> Hi,
>> >>
>> >> Wouldn't it be a CPU load problem? Since G.723.1 is a high complexity
>> >> codec, I guess you need a very optimized G.723.1 implementation (for
>> >> ARM processor/Symbian platform).
>> >>
>> >> Regards,
>> >> nanang
>> >>
>> >>
>> >> On Mon, Oct 13, 2008 at 7:43 PM, Samiul Aftad Chowdhury
>> >> <symbian.voip at gmail.com> wrote:
>> >> > Hi,
>> >> >
>> >> > I am trying to use the ITU G723.1 codec in pjsip, so far I it is
>> >> > working
>> >> > perfect and voice is clear for windows, using the
>> >> > pjsua_vc.exe. When I was trying to use the same codec for
>> >> > symbian_ua_gui
>> >> > it
>> >> > was not giving the same
>> >> > expected result.
>> >> >
>> >> > I have tried to debug this and found that in symbian some how the
>> >> > problem is
>> >> > in the encode() function and when the encode function is enabled
>> >> > the decoder function is never called.
>> >> > when I tried with disableing the encode() function then the decoder
>> >> > function
>> >> > is working smoothly
>> >> > and I can hear the voice from the symbian_ua_gui of the other party.
>> >> >
>> >> > I am attaching the g723.c file please check if i am wrong in any
>> >> > place.
>> >> >
>> >> > Symbian 9.1 3rd ed
>> >> > Not using the aps
>> >> > Phone E65 , N95
>> >> >
>> >> >
>> >> > best regards,
>> >> > Aftad
>> >> >
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>> >> >
>> >> >
>> >>
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