Commit 388e78fc authored by Dominik Weckbecker's avatar Dominik Weckbecker 💬
Browse files

port float MR 1501

parent add4f598

lib_com/ivas_dirac_com_fx.c

+5 −0
Original line number Diff line number Diff line
@@ -399,8 +399,13 @@ void ivas_get_dirac_sba_max_md_bits_fx( 
        /* OSBA needs an additional 2-bits safety margin to avoid acelp crashes */

        IF( EQ_32( ivas_format, SBA_ISM_FORMAT ) )

        {

#ifdef NONBE_FIX_SBA_SIGNALING_BITS_B

			( *metadata_max_bits ) = sub((*metadata_max_bits), 7);

			move16();

#else

            ( *metadata_max_bits ) = sub( ( *metadata_max_bits ), 3 );

            move16();

#endif

        }

    }

    ELSE IF( LE_32( sba_total_brate, IVAS_32k ) )

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ 
#define FIX_1003_PARAMISM_BINAURAL_RECONFIG_USAN        /* FhG: fix for #1003: fix USAN caused by ParamISM reconfig                    */

#define FIX_1001_ARI_HM_OVERFLOW                        /* FhG: (no changes needed in BASOP) fix for undef behaviour in in the harmonic TCX model arithmetic coder */

#define NONBE_FIX_1005_MC_RS_TCBUFFER_UPDATE                  /* FhG: issue #1005: fix TC Buffer update at a MC rate switch */

#define NONBE_FIX_SBA_SIGNALING_BITS_B                  /* FhG: issue 1061: option B: signal sba order additionally in OSBA */



/* #################### End BASOP porting switches ############################ */

lib_dec/ivas_init_dec_fx.c

+16 −1
Original line number Diff line number Diff line
@@ -466,14 +466,19 @@ ivas_error ivas_dec_setup( 
            move16();



            test();

#ifndef NONBE_FIX_SBA_SIGNALING_BITS_B

            IF( LT_32( ivas_total_brate, IVAS_24k4 ) || GE_32( ivas_total_brate, IVAS_256k ) )

            {

#endif

                /* read Ambisonic (SBA) planar flag */

                st_ivas->sba_planar = st_ivas->bit_stream[num_bits_read];

                move16();

                num_bits_read = add( num_bits_read, SBA_PLANAR_BITS );

#ifndef NONBE_FIX_SBA_SIGNALING_BITS_B

			}

#endif



			/* read Ambisonic (SBA) order (0 for signaling OSBA format at low bitrates)*/

            st_ivas->sba_order = st_ivas->bit_stream[num_bits_read + 1];

            move16();

            st_ivas->sba_order = add( st_ivas->sba_order, shl( st_ivas->bit_stream[num_bits_read], 1 ) );
@@ -481,11 +486,21 @@ ivas_error ivas_dec_setup( 
            num_bits_read = add( num_bits_read, SBA_ORDER_BITS );



            /* read Ambisonic (SBA) order */

#ifdef NONBE_FIX_SBA_SIGNALING_BITS_B

			/* read the real Ambisonic order when the above bits are used to signal OSBA format */

			if (ivas_total_brate < IVAS_24k4)

			{

				st_ivas->sba_order = st_ivas->bit_stream[num_bits_read + 1];

				st_ivas->sba_order += 2 * st_ivas->bit_stream[num_bits_read];

				num_bits_read += SBA_ORDER_BITS;

			}

#else

            if ( LT_32( ivas_total_brate, IVAS_256k ) )

            {

                st_ivas->sba_order = 3;

                move16();

            }

#endif



            test();

            IF( st_ivas->ini_frame > 0 && NE_32( ivas_total_brate, st_ivas->last_active_ivas_total_brate ) )

lib_enc/ivas_mct_core_enc_fx.c

+8 −0
Original line number Diff line number Diff line
@@ -700,10 +700,18 @@ void ivas_mct_core_enc_fx( 
        nAvailBits = sub( nAvailBits, IVAS_FORMAT_SIGNALING_NBITS_EXTENDED );

        nAvailBits = sub( nAvailBits, SBA_ORDER_BITS + SBA_PLANAR_BITS );

        test();

#ifdef NONBE_FIX_SBA_SIGNALING_BITS_B

		/*MCT is used at bitrates > 80 kbps and additional 1 bit is present at these bitrates*/

		if (ivas_format == SBA_ISM_FORMAT)

		{

			nAvailBits -= IVAS_COMBINED_FORMAT_SIGNALLING_BITS;

		}

#else

        if ( EQ_32( ivas_format, SBA_ISM_FORMAT ) && GT_16( nChannels, 4 ) )

        {

            nAvailBits = sub( nAvailBits, IVAS_COMBINED_FORMAT_SIGNALLING_BITS );

        }

#endif

    }



    FOR( ( cpe_id = 0, i = 0 ); cpe_id < nCPE; cpe_id++ )

lib_enc/ivas_spar_encoder_fx.c

+10 −1
Original line number Diff line number Diff line
@@ -371,9 +371,18 @@ ivas_error ivas_spar_enc_fx( 


            /* hack to indicate OSBA bitstream at VLBR */

            push_indice( st0->hBstr, IND_SMODE, 0, SBA_ORDER_BITS );

#ifdef NONBE_FIX_SBA_SIGNALING_BITS_B



			/* additionally code the real SBA order */

			push_indice(st0->hBstr, IND_SMODE, hEncoderConfig->sba_order, SBA_ORDER_BITS);

#endif

	    }

        ELSE

        {

#ifdef NONBE_FIX_SBA_SIGNALING_BITS_B

			/* Write SBA planar flag */

			push_indice(st0->hBstr, IND_SMODE, hEncoderConfig->sba_planar, SBA_PLANAR_BITS);

#endif

            /* Write SBA order */

            push_indice( st0->hBstr, IND_SMODE, hEncoderConfig->sba_order, SBA_ORDER_BITS );

        }