[FFmpeg-devel] Thirdparty audio codec integration

Kieran Kunhya kierank at obe.tv
Wed Apr 6 15:57:04 CEST 2016


On Wed, 6 Apr 2016 at 09:22 Michael Niedermayer <michael at niedermayer.cc>
wrote:

> On Wed, Apr 06, 2016 at 10:49:06AM +0530, Suresh Kumar wrote:
> > Hello Carl,
> >
> > Thank you for your reply.
> >
> > >>Did you look at the aresample filter and libswresample?
> > You mean to say resample filter is required before/after our decoder?
> > Our audio PCM decoder is expecting signed 16/24 bit. We are getting
> proper
> > input to the decoder.
> > The decoder process the data and fill with "float" values, which will be
> > required to use by rendering as float data.
> > My query is, what flags need to set from the decoder level so that the
> > rendering will understand the data is float.
>
> Why would a decoder that reads integer PCM from a bitstream output
> float ?
> Of course it could but what are you trying to do here ?
>
>
It's some kind of AC-3-in-wav style decoder, almost certainly AC3 or Dolby
E.

Regards,
Kieran


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