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     11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
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     13 products derived from this software without specific prior written
     14 permission.
     15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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     24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 POSSIBILITY OF SUCH DAMAGE.
     26 ***********************************************************************/
     27 
     28 #ifdef HAVE_CONFIG_H
     29 #include "config.h"
     30 #endif
     31 
     32 #include "main_FLP.h"
     33 
     34 void silk_LTP_scale_ctrl_FLP(
     35     silk_encoder_state_FLP          *psEnc,                             /* I/O  Encoder state FLP                           */
     36     silk_encoder_control_FLP        *psEncCtrl,                         /* I/O  Encoder control FLP                         */
     37     opus_int                        condCoding                          /* I    The type of conditional coding to use       */
     38 )
     39 {
     40     opus_int   round_loss;
     41 
     42     if( condCoding == CODE_INDEPENDENTLY ) {
     43         /* Only scale if first frame in packet */
     44         round_loss = psEnc->sCmn.PacketLoss_perc + psEnc->sCmn.nFramesPerPacket;
     45         psEnc->sCmn.indices.LTP_scaleIndex = (opus_int8)silk_LIMIT( round_loss * psEncCtrl->LTPredCodGain * 0.1f, 0.0f, 2.0f );
     46     } else {
     47         /* Default is minimum scaling */
     48         psEnc->sCmn.indices.LTP_scaleIndex = 0;
     49     }
     50 
     51     psEncCtrl->LTP_scale = (silk_float)silk_LTPScales_table_Q14[ psEnc->sCmn.indices.LTP_scaleIndex ] / 16384.0f;
     52 }
     53