Thanks, Ron and Tom.

But I couldn't find atsc_rs_encoder_impl.cc. Only I can find decoder.
I'm using version 3.7.6.1

One thing is, I can find rs en/decoder in gnuradio/gr-atsc.
Are these irrelevant with gr-dtv?

When I look into repository, gr-dtv/lib/ has both encoder and decoder
Currently, I am installing the newer version.

Reagrds,
Jeon.

2015-03-10 23:10 GMT+09:00 Tom Rondeau <t...@trondeau.com>:

> On Tue, Mar 10, 2015 at 3:35 AM, Ron Economos <w...@comcast.net> wrote:
>
>>  Take a look in:
>>
>> gnuradio/gr-dtv/lib/atsc/atsc_rs_encoder_impl.cc
>> gnuradio/gr-dtv/lib/atsc/atsc_rs_decoder_impl.cc
>>
>> Ron
>>
>>
>> On 03/10/2015 12:30 AM, Jeon wrote:
>>
>>  I need Reed-Solomon encoder and decoder to perform RS(15, 2/4/7/11).
>>
>>  I found that there are RS codes in
>> *gr-fec/lib/reed-solomon. *
>> But, I couldn't find some grc blocks implementing the library codes.
>>  In addition, I don't see *work()* function which is generally
>> implemented in other blocks.
>>
>>  On the other hand, I found *ccsds* keyword in *decode_rs_ccsds.c *and
>> *encode_rs_ccsds.c*
>>  and I can find that keyword in some grc blocks,
>> *fec_encode_ccsds, fec_decode_ccsds, ccsds_encoder_def. *
>> But, I don't think such blocks can do what I want.
>>
>>  Are there encoder and decoder which have been already implemented?
>>  Do I not understand how to use RS blocks which have been already
>> implemented?
>>  Or should I implement them?
>>
>>  Regards,
>>  Jeon.
>>
>>
> What Ron points out will probably get you going fastest. The FEC API
> doesn't yet fully support the structure needed for RS coding schemes,
> though it's on the to-do list.
>
> Tom
>
>
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