Port float MR 1542 to BASOP (12f110d5) · Commits · SA4 / Audio / IVAS BASOP

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -112,6 +112,7 @@
		#define NONBE_FIX_1063_DIV_BY_ZERO_SUMNRG /* VoiceAge: issue 1063: division by zero for angle_rot feature in the UNCLR classifier */
		#define FIX_1060_USAN_ARRAY_BOUNDS /* FhG: issue 1060: USAN array-bounds errors */
		#define NONBE_FIX_SBA_SIGNALING_BITS_B /* FhG: issue 1061: option B: signal sba order additionally in OSBA */
		#define NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR /* Nok: issue 1074 fixing number of objects signaling in OMASA low rate */

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

lib_dec/ivas_init_dec_fx.c

+20 −0

Original line number	Diff line number	Diff line
		@@ -390,6 +390,25 @@ ivas_error ivas_dec_setup(
		/* this should be non-zero if original input format was MASA_ISM_FORMAT */
		st_ivas->nchan_ism = add( st_ivas->bit_stream[L_sub( res_dec, 3 )], shl( st_ivas->bit_stream[L_sub( res_dec, 2 )], 1 ) );

		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		/* the input_ivas_format should be MASA_ISM_FORMAT, but we cannot initialize it now */
		/* info about the number of objects:
		'00' - MASA format at the encoder
		'01' - MASA_ISM_FORMAT at the encoder, with 4 objects
		'10' - MASA_ISM_FORMAT at the encoder, with 3 objects
		'11' - MASA_ISM_FORMAT at the encoder, with 1 or 2 objects
		reading if 1 or 2 objects is performed later
		*/
		st_ivas->nchan_ism = sub( 5, st_ivas->nchan_ism );

		test();
		IF( EQ_16( st_ivas->nchan_transport, 1 ) && EQ_16( st_ivas->nchan_ism, 2 ) )
		{
		st_ivas->nchan_ism = 1;
		move16();
		}
		/* for MASA_ISM_FORMAT at input the number of MASA transport channels is always 2 and the corresponding bit is not used here*/
		#else
		IF( GT_16( st_ivas->nchan_ism, 0 ) )
		{
		/* the input_ivas_format should be MASA_ISM_FORMAT, but we cannot initialize it now */
		@@ -400,6 +419,7 @@ ivas_error ivas_dec_setup(
		move16();
		}
		/* for MASA_ISM_FORMAT at input the number of MASA transport channels is always 2 */
		#endif
		st_ivas->nchan_transport = 2;
		element_mode_flag = 1;
		move16();

lib_dec/ivas_masa_dec_fx.c

+171 −102

Original line number	Diff line number	Diff line
		@@ -184,6 +184,70 @@ ivas_error ivas_masa_decode_fx(
		test();
		IF( NE_32( ivas_format, MC_FORMAT ) \|\| NE_16( st_ivas->mc_mode, MC_MODE_MCMASA ) )
		{
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		Word16 bits_per_frame = extract_l( Mpy_32_32( ivas_total_brate, ONE_BY_FRAMES_PER_SEC_Q31 ) );
		if ( EQ_32( ivas_format, MASA_FORMAT ) )
		{
		/* re-read the number of objects, needed in case of bad frame */
		st_ivas->nchan_ism = sub( 5, add( st_ivas->bit_stream[bits_per_frame - 3], i_mult( 2, st_ivas->bit_stream[bits_per_frame - 2] ) ) );
		}
		test();
		IF( EQ_32( ivas_format, MASA_FORMAT ) && NE_16( st_ivas->nchan_ism, 5 ) )
		{
		/* there was OMASA in the input */
		hMasa->config.input_ivas_format = MASA_ISM_FORMAT;
		move32();
		IF( LT_16( st_ivas->nchan_ism, 3 ) )
		{
		/* was read in ivas_init_dec() to distinguish between 1 and 2 objects */
		if ( EQ_16( st_ivas->bit_stream[bits_per_frame - 1], 0 ) )
		{
		st_ivas->nchan_ism = 1;
		move16();
		}
		st->next_bit_pos = sub( st->next_bit_pos, MASA_TRANSP_BITS );
		nb_bits_read = add( nb_bits_read, MASA_TRANSP_BITS );
		move16();
		move16();

		/* the two reserved bits were already read in ivas_init_dec()*/
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		move16();
		move16();
		nb_bits_read = add( nb_bits_read, MASA_HEADER_BITS );
		move16();
		/* read number of directions */
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		move16();
		nb_bits_read = add( nb_bits_read, 1 );
		move16();
		hMasa->config.numberOfDirections = (UWord8) L_add( byteBuffer, 1 );
		move16();
		}
		ELSE
		{
		/* if there are 3 or 4 objects the number of transport channels bit is given to MASA format
		and used to read number of directions*/
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		move16();
		nb_bits_read = add( nb_bits_read, 1 );
		move16();
		hMasa->config.numberOfDirections = (UWord8) L_add( byteBuffer, 1 );
		move16();

		/* the two reserved bits were already read in ivas_init_dec()*/
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		byteBuffer = st->bit_stream[( st->next_bit_pos )--];
		move16();
		move16();
		nb_bits_read = add( nb_bits_read, MASA_HEADER_BITS );
		move16();
		}
		}
		ELSE
		{
		#endif
		IF( NE_32( ivas_format, MASA_ISM_FORMAT ) )
		{
		/* number of transport channels is always 2 for MASA_ISM format */
		@@ -322,6 +386,7 @@ ivas_error ivas_masa_decode_fx(
		}
		#ifdef NONBE_FIX_984_OMASA_EXT_OUTPUT

		#ifndef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		/* read 2 bits:
		'00' - MASA format at the encoder
		'01' - MASA_ISM_FORMAT at the encoder, with 1 object
		@@ -329,6 +394,7 @@ ivas_error ivas_masa_decode_fx(
		'11' - MASA_ISM_FORMAT at the encoder, with 3 or 4 objects
		reading if 3 or 4 object is performed later
		*/
		#endif
		byteBuffer = st->bit_stream[st->next_bit_pos];
		move16();
		st->next_bit_pos = sub( st->next_bit_pos, 1 );
		@@ -373,6 +439,9 @@ ivas_error ivas_masa_decode_fx(
		move16();
		hMasa->config.numberOfDirections = (UWord8) L_add( byteBuffer, 1 );
		move16();
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		}
		#endif
		}
		ELSE
		{

lib_enc/ivas_masa_enc_fx.c

+39 −4

Original line number	Diff line number	Diff line
		@@ -537,6 +537,19 @@ ivas_error ivas_masa_encode_fx(
		test();
		IF( EQ_32( ivas_format, MASA_ISM_FORMAT ) && EQ_32( ism_mode, ISM_MODE_NONE ) )
		{
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		/* use the MASA number of transport channels bit to signal if there are 1 or 2 objects */
		test();
		IF( EQ_16( nchan_ism, 1 ) \|\| EQ_16( nchan_ism, 2 ) )
		{
		push_next_indice( hMetaData, sub( nchan_ism, 1 ), MASA_TRANSP_BITS );
		}
		ELSE
		{
		/* for 3 or 4 objects write already the number of MASA directions */
		push_next_indice( hMetaData, sub( hQMetaData->no_directions, 1 ), MASA_TRANSP_BITS );
		}
		#else
		/* use the MASA number of transport channels bit to signal if there are 3 or 4 objects */
		IF( EQ_16( nchan_ism, 4 ) )
		{
		@@ -546,6 +559,7 @@ ivas_error ivas_masa_encode_fx(
		{
		push_next_indice( hMetaData, 0, MASA_TRANSP_BITS );
		}
		#endif
		}
		ELSE
		{
		@@ -563,6 +577,16 @@ ivas_error ivas_masa_encode_fx(
		IF( EQ_32( ivas_format, MASA_ISM_FORMAT ) && EQ_32( ism_mode, ISM_MODE_NONE ) )
		{
		#ifdef NONBE_FIX_984_OMASA_EXT_OUTPUT
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		IF( GE_16( nchan_ism, 3 ) ) /* if 3 or 4 objects */
		{
		push_next_indice( hMetaData, sub( 5, nchan_ism ), MASA_HEADER_BITS );
		}
		ELSE
		{
		push_next_indice( hMetaData, 3, MASA_HEADER_BITS );
		}
		#else
		IF( LE_16( nchan_ism, 3 ) )
		{
		push_next_indice( hMetaData, nchan_ism, MASA_HEADER_BITS );
		@@ -571,6 +595,7 @@ ivas_error ivas_masa_encode_fx(
		{
		push_next_indice( hMetaData, sub( nchan_ism, 1 ), MASA_HEADER_BITS );
		}
		#endif
		hQMetaData->metadata_max_bits = sub( hQMetaData->metadata_max_bits, MASA_HEADER_BITS );
		move16();
		#else
		@@ -590,10 +615,20 @@ ivas_error ivas_masa_encode_fx(
		hQMetaData->metadata_max_bits = sub( hQMetaData->metadata_max_bits, MASA_HEADER_BITS );
		move16();
		}
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		test();
		test();
		test();
		IF( !( EQ_32( ivas_format, MASA_ISM_FORMAT ) && EQ_32( ism_mode, ISM_MODE_NONE ) && GT_16( nchan_ism, 2 ) ) )
		{
		#endif
		/* write number of directions */
		push_next_indice( hMetaData, sub( hQMetaData->no_directions, 1 ), 1 );
		hQMetaData->metadata_max_bits = sub( hQMetaData->metadata_max_bits, 1 );
		move16();
		#ifdef NONBE_FIX_1074_NOBJ_SIGNAL_OMASA_LBR
		}
		#endif

		/* write subframe mode */
		IF( EQ_16( hQMetaData->q_direction[0].cfg.nblocks, 1 ) )