[FFmpeg-devel] [PATCH] Long-term prediction for ALS

[Ronald S. Bultje]

Hi,

On Thu, Nov 12, 2009 at 10:45 AM, Stefano Sabatini
<stefano.sabatini-lala at poste.it> wrote:
> On date Thursday 2009-11-12 16:37:04 +0100, Thilo Borgmann encoded:
>> + ? ?// set lag value for long-term prediction
>> + ? ?if ? ? ?(avctx->sample_rate >= 192000)
>> + ? ? ? ?ctx->ltp_lag_length = 10;
>> + ? ?else if (avctx->sample_rate >= ?96000)
>> + ? ? ? ?ctx->ltp_lag_length = 9;
>> + ? ?else
>> + ? ? ? ?ctx->ltp_lag_length = 8;
>> +
>
> Slightly simpler:
>
> ctx->ltp_lag_length = avctx->sample_rate >= 192000 ? 10 :
> ? ? ? ? ? ? ? ? ? ? ?avctx->sample_rate >= ?96000 ? ?9 : 8;

ltp_lag_length = 8 + samplerate >= 96000 + samplerate >= 192000;
(might need brackets).

Ronald