[opus] Patches for adding 120 ms encoding

[Jean-Marc Valin]

On 06/01/2016 02:06 PM, Felicia Lim wrote:
> That was my intention with refactoring out the subframe encoding and
> repacketizing bit. Or do you mean I should merge the explicit check for
> 120 ms frame and the existing checks for 40/60 ms wideband? 

What I mean is that this line in opus_encoder.c:

if (frame_size > st->Fs/50 && (st->mode == MODE_CELT_ONLY ||
st->bandwidth > OPUS_BANDWIDTH_WIDEBAND))

can probably be extended to also cover 80/100/120 ms. One difference is
that it would also need to trigger for SILK-only > 60 ms.

Cheers,

	Jean-Marc