[speex-dev] SPEEX_GET_SAMPLING_RATE of encoder is wrong

[Jean-Marc Valin]

Oops, sorry. It's now fixed in CVS for both 1.0.x and 1.1.x.

        Jean-Marc

Le mar 30/03/2004 à 03:05, Chris Flerackers a écrit :
> Hi,
> 
> No, it only happens with speex_wb_mode.
> But like I said, it is because in wideband mode, the function
> sb_encoder_init
> is called and this function initializes the sampling rate using
> speex_*de*coder_ctl
> instead of
> speex_*en*coder_ctl
> In narrowband mode, the sampling rate is just initialized to 8000
> st->sampling_rate=8000;
> 
> BTW, I saw that my email was added to an existing thread instead of
> creating a new thread. Sorry about that.
> 
> Best regards,
> Chris
> 
> ----- Original Message ----- 
> From: "Jean-Marc Valin" <Jean-Marc.Valin at USherbrooke.ca>
> To: "speex" <speex-dev at xiph.org>; <cflerackers at androme.be>
> Sent: Tuesday, March 30, 2004 1:01 AM
> Subject: Re: [speex-dev] SPEEX_GET_SAMPLING_RATE of encoder is wrong
> 
> > Hi,
> >
> > Do you get that problem with speex_nb_mode too (or only speex_wb_mode)?
> >
> >  Jean-Marc
> >
> > Le lun 29/03/2004 à 05:35, Chris Flerackers a écrit :
> > > Hi,
> > >
> > > I'm using speex 1.1.4 and when I query SPEEX_GET_SAMPLING_RATE
> > > as in
> > > speex_encoder_ctl ( m_pEncoderState, SPEEX_GET_SAMPLING_RATE,
> > > &m_SampleRate );
> > > I get
> > > 2
> > > The encoder is initialized with
> > > m_pEncoderState = speex_encoder_init ( &speex_wb_mode );
> > >
> > > On the decoder side, the correct sampling rate is returned:
> > > m_pDecoderState = speex_decoder_init ( &speex_wb_mode );
> > > speex_decoder_ctl ( m_pDecoderState, SPEEX_GET_SAMPLING_RATE,
> > > &m_SampleRate );
> > >
> > > I debugged the encoder and the stack trace is as follows:
> > > -> speex_encoder_ctl ( m_pEncoderState, SPEEX_GET_SAMPLING_RATE,
> > > &m_SampleRate );
> > > -> int speex_encoder_ctl(void *state, int request, void *ptr)
> > >     return (*((SpeexMode**)state))->enc_ctl(state, request, ptr);
> > > -> int sb_encoder_ctl(void *state, int request, void *ptr)
> > > ...
> > > case SPEEX_GET_SAMPLING_RATE:
> > >       (*(int*)ptr)=st->sampling_rate;
> > >       break;
> > > ...
> > > And st->sampling_rate is 2.
> > >
> > > I debugged some further and it seems:
> > > sb_encoder_init
> > > calls
> > > speex_decoder_ctl(st->st_low, SPEEX_GET_SAMPLING_RATE,
> &st->sampling_rate);
> > > to get the sampling rate. I think it should be speex_encoder_ctl
> (otherwise
> > > SBEncState * is
> > > interpreted as SBDecState *).
> > >
> > > Best regards,
> > > Chris
> > >
> > > --- >8 ----
> > > List archives:  http://www.xiph.org/archives/
> > > Ogg project homepage: http://www.xiph.org/ogg/
> > > To unsubscribe from this list, send a message to
> 'speex-dev-request at xiph.org'
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> > -- 
> > Jean-Marc Valin
> > http://www.xiph.org/~jm/
> > LABORIUS
> > Université de Sherbrooke, Québec, Canada
> 
> --- >8 ----
> List archives:  http://www.xiph.org/archives/
> Ogg project homepage: http://www.xiph.org/ogg/
> To unsubscribe from this list, send a message to 'speex-dev-request at xiph.org'
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-- 
Jean-Marc Valin
http://www.xiph.org/~jm/
LABORIUS
Université de Sherbrooke, Québec, Canada


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