Commit 22544741 authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
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[3GPP-Issue #824] Fixes crash in low level signal at 24.4 kbps with dtx enabled 

[x] The crash was occurring in function stereo_dft_generate_comfort_noise_fx(). The shr() in the IF condition overflow. Using shr_sat solved the issue
parent c24a0ae3

lib_dec/ivas_stereo_cng_dec.c

+1 −1
Original line number Diff line number Diff line
@@ -1055,7 +1055,7 @@ static void stereo_dft_generate_comfort_noise_fx( 


            tmp_16 = BASOP_Util_Divide3232_Scale( E0, E1, &q_div );

            tmp_16 = Sqrt16( tmp_16, &q_div );

            IF( LT_16( tmp_16, shr( MAX_16, q_div ) ) )

            IF( LT_16( tmp_16, shr_sat( MAX_16, q_div ) ) )

            {

                tmp_16 = shl( tmp_16, q_div );

                hStereoCng->xfade_length = sub( MAX_XFADE_FX, extract_l( L_shr( imult3216( MAX_XFADE_FX, tmp_16 ), Q15 ) ) );