[pulseaudio-discuss] [PATCH v3 03/24] echo-cancel: Add support for the webrtc intelligibility enhancer

[Tanu Kaskinen]

On Mon, 2016-01-25 at 15:03 +0530, Arun Raghavan wrote:
> On 25 January 2016 at 13:30, Tanu Kaskinen <tanuk at iki.fi> wrote:
> > On Mon, 2016-01-25 at 09:36 +0530, Arun Raghavan wrote:
> > > On 24 January 2016 at 22:00, Tanu Kaskinen <tanuk at iki.fi> wrote:
> > > > On Mon, 2016-01-18 at 13:06 +0530, arun at accosted.net wrote:
> > > > > @@ -253,7 +263,7 @@ void pa_webrtc_ec_play(pa_echo_canceller *ec, const uint8_t *play) {
> > > > >      pa_assert(play_frame.samples_per_channel_ <= webrtc::AudioFrame::kMaxDataSizeSamples);
> > > > >      memcpy(play_frame.data_, play, ec->params.priv.webrtc.blocksize);
> > > > > 
> > > > > -    apm->AnalyzeReverseStream(&play_frame);
> > > > > +    apm->ProcessReverseStream(&play_frame);
> > > > 
> > > > This looks like a potentially unrelated change. Why is this change
> > > > done?
> > > 
> > > It is needed for the intelligibility enhancer to work, but I later
> > > realised we don't actually support this -- unlike
> > > AnalyzeReverseStream(), ProcessReverseStream() modifies the playback
> > > samples. This is something that needs to be done in the future
> > > (there's a later commit that disables this that I could not squash due
> > > to some intermediate changes).
> > 
> > Does that mean that the intelligibility enhancer feature doesn't work
> > at all? In that case this patch should be dropped.
> 
> I was thinking of leaving this and the corresponding disable-patch in
> as documentation of what doesn't work, but Ic an just drop it if
> that's the preference.

I'd prefer not merging broken patches. If the echo-cancel module has
options for all webrtc features, then adding the warning here would be
ok (instead of a separate patch), but if the feature coverage is
partial anyway, then just drop the broken options.

-- 
Tanu