Fix gain ranges for reverse ISM gain (14515531) · Commits · SA4 / Audio / IVAS BASOP

lib_util/ivas_rtp_pi_data.c

+7 −7

Original line number	Diff line number	Diff line
		@@ -757,13 +757,13 @@ static ivas_error packReverseISMGain( const IVAS_PIDATA_GENERIC *piData, uint8_t

		buffer[nBytes++] = ( r_ism_gain->piDataType & MASK_5BIT ); /* PF/PM populated during final packing */
		gain = (int16_t) r_ism_gain->dB;
		idx = min( -gain, 97 );
		idx = min( -gain, 25 );
		if ( gain > 0 )
		{
		idx += 97;
		idx += 25;
		}

		buffer[nBytes++] = ( idx & MASK_7BIT ) << 1;
		buffer[nBytes++] = ( idx & MASK_6BIT ) << 2;
		*nBytesWritten = nBytes;
		return IVAS_ERR_OK;
		}
		@@ -785,19 +785,19 @@ static ivas_error unpackReverseISMGain( const uint8_t *buffer, uint32_t numDataB
		/* Unpack gain */
		idx = ( *buffer ) >> 1;
		/* negative gains*/
		if ( idx < 97 )
		if ( idx < 25 )
		{
		r_ism_gain->dB = -(int8_t) ( idx );
		}
		/* Set to min for muting, to be interpreted as -Inf */
		else if ( idx == 97 )
		else if ( idx == 25 )
		{
		r_ism_gain->dB = -128;
		}
		/* postive gains */
		else if ( idx < 101 )
		else if ( idx < 38 )
		{
		r_ism_gain->dB = (int8_t) idx - 97;
		r_ism_gain->dB = (int8_t) idx - 25;
		}
		else
		{