Functions in ivas_out_setup_conversion converted to fixed point (caeed54e) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_prot_fx.h

+36 −0

Original line number	Diff line number	Diff line
		@@ -859,6 +859,7 @@ void stereo_decoder_tcx_fx(
		const Word16 tmp_plc_upmix, /* i : indicates temp upmix for PLC decision */
		Word16 *q_x_ch2,
		Word16 *q_x_ch1 );

		void v_multc_acc_32_16(
		const Word32 x[], /* i : Input vector */
		const Word16 c, /* i : Constant */
		@@ -884,4 +885,39 @@ void ivas_mono_downmix_render_passive_fx(
		const Word16 output_frame /* i : output frame length */
		);

		void ivas_ls_setup_conversion_fx(
		Decoder_Struct st_ivas, / i : IVAS decoder structure */
		const Word16 input_chans, /* i : number of input channels to the renderer */
		const Word16 output_frame, /* i : frame length */
		Word32 input[], / i : LS input/output synthesis signal */
		Word32 output[] / i/o: LS input/output synthesis signal */
		);

		ivas_error ivas_ls_setup_conversion_open_fx(
		Decoder_Struct st_ivas / i/o: IVAS decoder structure */
		);

		void ivas_ls_setup_conversion_close_fx(
		LSSETUP_CONVERSION_HANDLE hLsSetUpConversion / i/o: LS converter handle */
		);

		void ivas_ls_setup_conversion_process_mdct_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder structure */
		Word32 output[] / i/o: output synthesis signal */
		);

		void ivas_lssetupconversion_process_param_mc_fx(
		Decoder_Struct st_ivas, / i/o: LS setup conversion renderer handle */
		const Word16 num_timeslots,
		Word32 Cldfb_RealBuffer_InOut[MAX_CICP_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /* i/o: LS signals */
		Word32 Cldfb_ImagBuffer_InOut[MAX_CICP_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX], /* i/o: LS signals */
		Word16 channel_active[MAX_CICP_CHANNELS] /* i : bitmap indicating which output channels are active */
		);

		void convert_coeffs_to_higher_res_fx(
		const Word32 in1, / i : first subframe input */
		const Word32 in2, / i : second subframe input */
		Word32 out, / o : converted output */
		const Word16 len /* i : length of subframes */
		);
		#endif

lib_dec/ivas_init_dec.c

+13 −2

Original line number	Diff line number	Diff line
		@@ -1755,10 +1755,17 @@ ivas_error ivas_init_decoder(
		}
		ELSE IF( st_ivas->renderer_type == RENDERER_MC )
		{
		#ifdef IVAS_FLOAT_FIXED
		IF( ( error = ivas_ls_setup_conversion_open_fx( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#else
		IF( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif
		}
		ELSE IF ( st_ivas->renderer_type == RENDERER_MONO_DOWNMIX )
		{
		@@ -2439,7 +2446,11 @@ void ivas_destroy_dec(
		ivas_reverb_close( &st_ivas->hReverb );

		/* LS config converter handle */
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif

		/* Custom LS configuration handle */
		IF ( st_ivas->hLsSetupCustom != NULL )

lib_dec/ivas_jbm_dec.c

+189 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@
		#include "prot_fx1.h"
		#include "prot_fx2.h"

		#include "debug.h"

		/-----------------------------------------------------------------------
		* Local function prototypes
		-----------------------------------------------------------------------/
		@@ -168,7 +170,31 @@ ivas_error ivas_jbm_dec_tc(

		if ( st_ivas->renderer_type == RENDERER_MC && st_ivas->hDecoderConfig->nchan_out == 1 )
		{
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[12];
		q = q - find_guarded_bits_fx( st_ivas->nchan_transport );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_output[i], p_output_fx[i], q, output_frame );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < st_ivas->nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, st_ivas->nchan_transport, output_frame, p_output_fx, p_output_fx);
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, output_frame );
		free( p_output_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, st_ivas->nchan_transport, output_frame, p_output, p_output );
		#endif
		}
		}
		else if ( st_ivas->ivas_format == ISM_FORMAT )
		@@ -1105,7 +1131,31 @@ ivas_error ivas_jbm_dec_tc(
		{
		if ( st_ivas->renderer_type == RENDERER_MC )
		{
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[12];
		q = q - find_guarded_bits_fx( st_ivas->nchan_transport );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_output[i], p_output_fx[i], q, output_frame );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < st_ivas->nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, st_ivas->nchan_transport, output_frame, p_output_fx, p_output_fx );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, output_frame );
		free( p_output_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, st_ivas->nchan_transport, output_frame, p_output, p_output );
		#endif
		}
		else if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
		{
		@@ -1159,7 +1209,32 @@ ivas_error ivas_jbm_dec_tc(

		if ( output_config == IVAS_AUDIO_CONFIG_MONO \|\| output_config == IVAS_AUDIO_CONFIG_STEREO )
		{
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16, nchan_transport;
		Word32 *p_output_fx[12];
		nchan_transport = audioCfg2channels( IVAS_AUDIO_CONFIG_5_1_2 );
		q = q - find_guarded_bits_fx( nchan_transport );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, nchan_transport); ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_output[i], p_output_fx[i], q, output_frame );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, nchan_transport, output_frame, p_output_fx, p_output_fx );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, nchan_transport); ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, output_frame );
		free( p_output_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, audioCfg2channels( IVAS_AUDIO_CONFIG_5_1_2 ), output_frame, p_output, p_output );
		#endif
		}
		}
		}
		@@ -1215,7 +1290,31 @@ ivas_error ivas_jbm_dec_tc(
		/* Rendering */
		if ( output_config == IVAS_AUDIO_CONFIG_MONO \|\| output_config == IVAS_AUDIO_CONFIG_STEREO )
		{
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[12];
		q = q - find_guarded_bits_fx( st_ivas->nchan_transport );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_output[i], p_output_fx[i], q, output_frame );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < st_ivas->nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, st_ivas->nchan_transport, output_frame, p_output_fx, p_output_fx );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, st_ivas->nchan_transport); ++i)
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, output_frame );
		free( p_output_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, st_ivas->nchan_transport, output_frame, p_output, p_output );
		#endif
		}
		}
		else if ( st_ivas->mc_mode == MC_MODE_MCMASA )
		@@ -1831,7 +1930,40 @@ ivas_error ivas_jbm_dec_render(
		if ( st_ivas->renderer_type == RENDERER_MC )
		{
		*nSamplesRendered = min( st_ivas->hTcBuffer->n_samples_available, nSamplesAskedLocal );
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[20];
		Word32 *p_tc_fx[16];
		q = q - find_guarded_bits_fx( st_ivas->nchan_transport );
		FOR( i = 0; i < st_ivas->nchan_transport; ++i )
		{
		p_tc_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_tc[i], p_tc_fx[i], q, *nSamplesRendered );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < st_ivas->nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, st_ivas->nchan_transport, *nSamplesRendered, p_tc_fx, p_output_fx );
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, *nSamplesRendered );
		free( p_output_fx[i] );
		}
		FOR( i = 0; i < st_ivas->nchan_transport; ++i )
		{
		free( p_tc_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, st_ivas->nchan_transport, *nSamplesRendered, p_tc, p_output );
		#endif
		}
		}
		else if ( st_ivas->ivas_format == ISM_FORMAT )
		@@ -2257,7 +2389,40 @@ ivas_error ivas_jbm_dec_render(
		else if ( st_ivas->renderer_type == RENDERER_MC )
		{
		*nSamplesRendered = min( st_ivas->hTcBuffer->n_samples_available, nSamplesAskedLocal );
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[20];
		Word32 *p_tc_fx[16];
		q = q - find_guarded_bits_fx( st_ivas->nchan_transport );
		FOR( i = 0; i < st_ivas->nchan_transport; ++i )
		{
		p_tc_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_tc[i], p_tc_fx[i], q, *nSamplesRendered );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < st_ivas->nchan_transport; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, st_ivas->nchan_transport, *nSamplesRendered, p_tc_fx, p_output_fx );
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, *nSamplesRendered );
		free( p_output_fx[i] );
		}
		FOR( i = 0; i < st_ivas->nchan_transport; ++i )
		{
		free( p_tc_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, st_ivas->nchan_transport, *nSamplesRendered, p_tc, p_output );
		#endif
		}
		else if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
		{
		@@ -2287,7 +2452,31 @@ ivas_error ivas_jbm_dec_render(
		}
		else if ( st_ivas->renderer_type == RENDERER_MC )
		{
		#ifdef IVAS_FLOAT_FIXED
		Word16 i, j, q = Q16;
		Word32 *p_output_fx[20];
		q = q - find_guarded_bits_fx( MC_PARAMUPMIX_MAX_INPUT_CHANS );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, MC_PARAMUPMIX_MAX_INPUT_CHANS); ++i )
		{
		p_output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( p_output[i], p_output_fx[i], q, *nSamplesRendered );
		}
		FOR( i = 0; i < st_ivas->hDecoderConfig->nchan_out; i++ )
		{
		FOR( j = 0; j < MC_PARAMUPMIX_MAX_INPUT_CHANS; j++ )
		{
		st_ivas->hLsSetUpConversion->dmxMtx_fx[j][i] = float_to_fix( st_ivas->hLsSetUpConversion->dmxMtx[j][i], Q30 );
		}
		}
		ivas_ls_setup_conversion_fx( st_ivas, MC_PARAMUPMIX_MAX_INPUT_CHANS, *nSamplesRendered, p_output_fx, p_output_fx );
		FOR( i = 0; i < max(st_ivas->hDecoderConfig->nchan_out, MC_PARAMUPMIX_MAX_INPUT_CHANS); ++i )
		{
		fixedToFloat_arrL( p_output_fx[i], p_output[i], q, *nSamplesRendered);
		free( p_output_fx[i] );
		}
		#else
		ivas_ls_setup_conversion( st_ivas, MC_PARAMUPMIX_MAX_INPUT_CHANS, *nSamplesRendered, p_output, p_output );
		#endif
		}
		else if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
		{

lib_dec/ivas_mc_param_dec.c

+50 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,8 @@
		#include "wmc_auto.h"
		#include "rom_dec.h"
		#ifdef IVAS_FLOAT_FIXED
		#include "prot_fx1.h"
		#include "prot_fx2.h"
		#include "ivas_prot_fx.h"
		#endif

		@@ -270,10 +272,17 @@ ivas_error ivas_param_mc_dec_open(

		if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB \|\| hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV \|\| hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
		{
		#ifdef IVAS_FLOAT_FIXED
		if ( ( error = ivas_ls_setup_conversion_open_fx( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#else
		if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif

		/* convert the ls conv dmx matrix into column order matrix format (nchan_out_cldfb x nchan_out) */
		if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_COV \|\| hParamMC->synthesis_conf == PARAM_MC_SYNTH_MONO_STEREO )
		@@ -300,7 +309,11 @@ ivas_error ivas_param_mc_dec_open(
		else
		{
		/* close the ls conversion handle immediately, it was only needed to get the DMX matrix in case of DMX in the covariance domain */
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif
		}
		}
		}
		@@ -733,6 +746,17 @@ ivas_error ivas_param_mc_dec_reconfig(
		{
		if ( nchan_transport_old != nchan_transport )
		{
		#ifdef IVAS_FLOAT_FIXED
		if ( st_ivas->hLsSetUpConversion != NULL )
		{
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		}

		if ( ( error = ivas_ls_setup_conversion_open_fx( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#else
		if ( st_ivas->hLsSetUpConversion != NULL )
		{
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		@@ -742,6 +766,7 @@ ivas_error ivas_param_mc_dec_reconfig(
		{
		return error;
		}
		#endif

		/* convert the ls conv dmx matrix into column order matrix format (nchan_out_cldfb x nchan_out) */
		free( hParamMC->ls_conv_dmx_matrix );
		@@ -1765,7 +1790,32 @@ void ivas_param_mc_dec_render(
		else if ( hParamMC->synthesis_conf == PARAM_MC_SYNTH_LS_CONV_CLDFB )
		{
		/* format conversion*/
		#ifdef IVAS_FLOAT_FIXED
		Word32 Cldfb_RealBuffer_fx[MAX_CICP_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
		Word32 Cldfb_ImagBuffer_fx[MAX_CICP_CHANNELS][PARAM_MC_MAX_NSLOTS_IN_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
		Word16 inChannels = st_ivas->hIntSetup.nchan_out_woLFE + st_ivas->hIntSetup.num_lfe;
		Word16 num_timeslots = hParamMC->subframe_nbslots[subframe_idx];
		Word16 i, j;
		FOR( i = 0; i < inChannels; ++i )
		{
		FOR( j = 0; j < num_timeslots; ++j )
		{
		floatToFixed_arrL( Cldfb_RealBuffer[i][j], Cldfb_RealBuffer_fx[i][j], Q9, st_ivas->hLsSetUpConversion->sfbCnt );
		floatToFixed_arrL( Cldfb_ImagBuffer[i][j], Cldfb_ImagBuffer_fx[i][j], Q9, st_ivas->hLsSetUpConversion->sfbCnt );
		}
		}
		ivas_lssetupconversion_process_param_mc_fx( st_ivas, hParamMC->subframe_nbslots[subframe_idx], Cldfb_RealBuffer_fx, Cldfb_ImagBuffer_fx, channel_active );
		FOR( i = 0; i < inChannels; ++i )
		{
		FOR( j = 0; j < num_timeslots; ++j )
		{
		fixedToFloat_arrL( Cldfb_RealBuffer_fx[i][j], Cldfb_RealBuffer[i][j], Q9, st_ivas->hLsSetUpConversion->sfbCnt );
		fixedToFloat_arrL( Cldfb_ImagBuffer_fx[i][j], Cldfb_ImagBuffer[i][j], Q9, st_ivas->hLsSetUpConversion->sfbCnt );
		}
		}
		#else
		ivas_lssetupconversion_process_param_mc( st_ivas, hParamMC->subframe_nbslots[subframe_idx], Cldfb_RealBuffer, Cldfb_ImagBuffer, channel_active );
		#endif
		}

		/* CLDFB synthesis */

lib_dec/ivas_mct_dec.c

+49 −0

Original line number	Diff line number	Diff line
		@@ -223,7 +223,22 @@ ivas_error ivas_mct_dec(
		if ( st_ivas->renderer_type == RENDERER_MC )
		{
		/* Equalization in MDCT Domain */
		#ifdef IVAS_FLOAT_FIXED
		Word32 *output_fx[MAX_TRANSPORT_CHANNELS];
		for ( int i = 0; i < st_ivas->nchan_transport; ++i )
		{
		output_fx[i] = malloc( L_FRAME48k * sizeof( Word32 ) );
		floatToFixed_arrL( output[i], output_fx[i], Q11, L_FRAME48k );
		}
		ivas_ls_setup_conversion_process_mdct_fx( st_ivas, output_fx);
		for ( int i = 0; i < st_ivas->nchan_transport; ++i )
		{
		fixedToFloat_arrL( output_fx[i], output[i], Q11, L_FRAME48k );
		free(output_fx[i]);
		}
		#else
		ivas_ls_setup_conversion_process_mdct( st_ivas, output );
		#endif
		}

		else if ( st_ivas->renderer_type == RENDERER_MC_PARAMMC && ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_MONO \|\| st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_STEREO ) )
		@@ -1014,13 +1029,21 @@ static ivas_error ivas_mc_dec_reconfig(
		ivas_param_mc_dec_close( &st_ivas->hParamMC );

		/* remove ls conversion if it was allocated by ParamMC */
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif
		}

		if ( last_mc_mode == MC_MODE_PARAMUPMIX )
		{
		ivas_mc_paramupmix_dec_close( &( st_ivas->hMCParamUpmix ) );
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &( st_ivas->hLsSetUpConversion ) );
		#else
		ivas_ls_setup_conversion_close( &( st_ivas->hLsSetUpConversion ) );
		#endif
		}

		/* De-allocate McMasa-related handles */
		@@ -1042,10 +1065,17 @@ static ivas_error ivas_mc_dec_reconfig(
		/* init LS conversion if the renderer type asks for it */
		if ( st_ivas->renderer_type == RENDERER_MC && st_ivas->hLsSetUpConversion == NULL )
		{
		#ifdef IVAS_FLOAT_FIXED
		if ( ( error = ivas_ls_setup_conversion_open_fx( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#else
		if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif
		}
		}
		}
		@@ -1063,7 +1093,11 @@ static ivas_error ivas_mc_dec_reconfig(
		ivas_param_mc_dec_close( &st_ivas->hParamMC );

		/* remove ls conversion if it was allocated by ParamMC */
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif
		}

		#ifdef IVAS_FLOAT_FIXED
		@@ -1076,10 +1110,17 @@ static ivas_error ivas_mc_dec_reconfig(
		/* init LS conversion if the renderer type asks for it */
		if ( ( st_ivas->renderer_type == RENDERER_MC ) && st_ivas->hLsSetUpConversion == NULL )
		{
		#ifdef IVAS_FLOAT_FIXED
		if ( ( error = ivas_ls_setup_conversion_open_fx( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#else
		if ( ( error = ivas_ls_setup_conversion_open( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif
		}

		if ( ( error = ivas_mc_paramupmix_dec_open( st_ivas ) ) != IVAS_ERR_OK )
		@@ -1095,7 +1136,11 @@ static ivas_error ivas_mc_dec_reconfig(
		/* remove old ls conversion for MCT if open, gets reopened correctly within ivas_param_mc_dec_open when needed */
		if ( renderer_type_old == RENDERER_MC && st_ivas->hLsSetUpConversion != NULL )
		{
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif
		}

		if ( ( error = ivas_param_mc_dec_open( st_ivas ) ) != IVAS_ERR_OK )
		@@ -1171,7 +1216,11 @@ static ivas_error ivas_mc_dec_reconfig(
		/* LS conversion */
		if ( st_ivas->hLsSetUpConversion != NULL )
		{
		#ifdef IVAS_FLOAT_FIXED
		ivas_ls_setup_conversion_close_fx( &st_ivas->hLsSetUpConversion );
		#else
		ivas_ls_setup_conversion_close( &st_ivas->hLsSetUpConversion );
		#endif
		}

		ivas_mc_paramupmix_dec_close( &( st_ivas->hMCParamUpmix ) );