Two minor SILK fixes

- increases the max pitch lag by 1 (the thing Tim pointed out).  this brings the decoder in sync with the old one
- avoids that the first stereo frame is collapsed to mono

1 files changed, 2 insertions, 2 deletions

diff --git a/silk/float/pitch_analysis_core_FLP.c b/silk/float/pitch_analysis_core_FLP.c
index c9495915..a90859b4 100644
--- a/silk/float/pitch_analysis_core_FLP.c
+++ b/silk/float/pitch_analysis_core_FLP.c
@@ -467,7 +467,7 @@ opus_int silk_pitch_analysis_core_FLP( /* O voicing estimate: 0 voiced, 1 unvoic
 
         for( k = 0; k < nb_subfr; k++ ) {
             pitch_out[ k ] = lag_new + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size );
-            pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag, max_lag );
+            pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag, PE_MAX_LAG_MS * Fs_kHz );
         }
         *lagIndex = (opus_int16)( lag_new - min_lag );
         *contourIndex = (opus_int8)CBimax;
@@ -477,7 +477,7 @@ opus_int silk_pitch_analysis_core_FLP( /* O voicing estimate: 0 voiced, 1 unvoic
         *LTPCorr = (silk_float)sqrt( CCmax / nb_subfr ); /* Output normalized correlation */
         for( k = 0; k < nb_subfr; k++ ) {
             pitch_out[ k ] = lag + matrix_ptr( Lag_CB_ptr, k, CBimax, cbk_size );
-            pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag_8kHz, max_lag_8kHz );
+            pitch_out[ k ] = silk_LIMIT( pitch_out[ k ], min_lag_8kHz, PE_MAX_LAG_MS * Fs_kHz );
         }
         *lagIndex = (opus_int16)( lag - min_lag_8kHz );
         *contourIndex = (opus_int8)CBimax;