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

[Arun Raghavan]

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.

Regards,
Arun