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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