Commit a73d7b2c authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Conversions related to ivas_cldfb_dec_reconfig 

Converted and  cleaned up all remaining
subfunctions of ivas_cldfb_dec_reconfig.
parent 207a173c

lib_com/cldfb.c

+3 −2
Original line number Diff line number Diff line
@@ -1702,12 +1702,13 @@ ivas_error openCldfb_ivas_fx( 
        move16();

    }



    IF ( ( hs->cldfb_state_fx = (Word16 *) malloc( buf_len * sizeof( Word16 ) ) ) == NULL )

    IF ( ( hs->cldfb_state_fx = (Word32 *) malloc( buf_len * sizeof( Word32 ) ) ) == NULL )

    {

        return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Cannot allocate memory for CLDFB" );

    }



    set_s(hs->cldfb_state_fx, 0, buf_len);

    hs->cldfb_state_length = buf_len; // Temporarily added to store the length of buffer

    set32_fx(hs->cldfb_state_fx, 0, buf_len);



    /* TODO: remove the floating point dependency */

lib_com/float_to_fix_ops.c

+6 −6
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
#include <stdint.h>

#include "options.h"

#include "prot.h"

Word32 floatToFixed(const float f, Word16 Q)

Word32 floatToFixed(float f, Word16 Q)

{

	if (f == 1.0f && Q == Q15)

		return MAX16B;
@@ -15,35 +15,35 @@ Word32 floatToFixed(const float f, Word16 Q) 
		return (Word32)(f * (float)((unsigned int)1 << Q) + (f >= 0 ? 0.5 : -0.5));

}



float fixedToFloat(const Word32 i, Word16 Q)

float fixedToFloat(Word32 i, Word16 Q)

{

	if (Q < 0)

		return (i * (float)(((unsigned)1) << (-Q)));

	else

		return (float)(i) / (float)((unsigned int)1 << Q);

}

void floatToFixed_arrL(const float *f, Word32 *i, Word16 Q, Word16 l)

void floatToFixed_arrL(float *f, Word32 *i, Word16 Q, Word16 l)

{

	for (int j = 0; j < l; j++)

	{

		i[j] = floatToFixed(f[j], Q);

	}

}

void floatToFixed_arr(const float *f, Word16 *i, Word16 Q, Word16 l)

void floatToFixed_arr(float *f, Word16 *i, Word16 Q, Word16 l)

{

	for (int j = 0; j < l; j++)

	{

		i[j] = (Word16)floatToFixed(f[j], Q);

	}

}

void fixedToFloat_arrL(const Word32 *i, float *f, Word16 Q, Word16 l)

void fixedToFloat_arrL(Word32 *i, float *f, Word16 Q, Word16 l)

{

	for (int j = 0; j < l; j++)

	{

		f[j] = fixedToFloat(i[j], Q);

	}

}

void fixedToFloat_arr(const Word16 *i, float *f, Word16 Q, Word16 l)

void fixedToFloat_arr(Word16 *i, float *f, Word16 Q, Word16 l)

{

	for (int j = 0; j < l; j++)

	{

lib_com/ivas_prot.h

+15 −0
Original line number Diff line number Diff line
@@ -3620,6 +3620,15 @@ void ivas_init_dec_get_num_cldfb_instances( 
    int16_t *numCldfbAnalyses,                                  /* o  : number of CLDFB analysis instances      */

    int16_t *numCldfbSyntheses                                  /* o  : number of CLDFB synthesis instances     */

);

#ifdef IVAS_FLOAT_FIXED

ivas_error ivas_cldfb_dec_reconfig_fx(

    Decoder_Struct *st_ivas,                                    /* i/o: IVAS decoder structure                                */

    const Word16 nchan_transport_old,                          /* i  : number of TCs in previous frame                       */

    Word16 numCldfbAnalyses_old,                               /* i  : number of CLDFB analysis instances in previous frame  */

    const Word16 numCldfbSyntheses_old,                         /* i  : number of CLDFB synthesis instances in previous frame */

    const Word16 Q_cldfbSynDec

);

#endif // IVAS_FLOAT_FIXED



ivas_error ivas_cldfb_dec_reconfig(

    Decoder_Struct *st_ivas,                                    /* i/o: IVAS decoder structure                                */
@@ -4502,6 +4511,12 @@ void ivas_itda( 
    const int16_t length 

);



void ivas_spar_get_cldfb_gains_fx(

    SPAR_DEC_HANDLE hSpar,

    HANDLE_CLDFB_FILTER_BANK cldfbAnaDec0,

    HANDLE_CLDFB_FILTER_BANK cldfbSynDec0,

    const DECODER_CONFIG_HANDLE hDecoderConfig

);

void ivas_spar_get_cldfb_gains(

    SPAR_DEC_HANDLE hSpar,

    HANDLE_CLDFB_FILTER_BANK cldfbAnaDec0,

lib_com/ivas_stat_com.h

+4 −0
Original line number Diff line number Diff line
@@ -800,6 +800,10 @@ typedef struct ivas_fb_mixer_state_structure 
    int16_t prior_input_length;

    int16_t windowed_fr_offset;

    float cldfb_cross_fade[CLDFB_NO_COL_MAX];

#ifdef IVAS_FLOAT_FIXED

    const Word16 *pFilterbank_cross_fade_fx;

    Word16 cldfb_cross_fade_fx[CLDFB_NO_COL_MAX];

#endif // IVAS_FLOAT_FIXED

    int16_t cldfb_cross_fade_start;

    int16_t cldfb_cross_fade_end;

lib_com/prot_fx2.h

+6 −6
Original line number Diff line number Diff line
@@ -71,17 +71,17 @@ Word16 float_to_fix16( float number, Word16 Q ); 
// Word16 to Float

float fix16_to_float( Word16 number, Word16 Q );



void floatToFixed_arrL(const float * f, Word32* i, Word16 Q, Word16 l);

void floatToFixed_arr(const float * f, Word16* i, Word16 Q, Word16 l);

void fixedToFloat_arrL(const Word32 *i, float * f, Word16 Q, Word16 l);

void fixedToFloat_arr(const Word16 *i, float * f, Word16 Q, Word16 l);

void floatToFixed_arrL( float * f, Word32* i, Word16 Q, Word16 l);

void floatToFixed_arr( float * f, Word16* i, Word16 Q, Word16 l);

void fixedToFloat_arrL( Word32 *i, float * f, Word16 Q, Word16 l);

void fixedToFloat_arr( Word16 *i, float * f, Word16 Q, Word16 l);

Word16 Q_factor(float x);

Word16 Q_factor_L(float x);

Word16 Q_factor_arr(float* x, Word16 l);

Word16 Q_factor_arrL(float* x, Word16 l);

//Handles the cases where Q is negative

Word32 floatToFixed(const float f, Word16 Q);

float fixedToFloat(const Word32 i, Word16 Q);

Word32 floatToFixed( float f, Word16 Q);

float fixedToFloat( Word32 i, Word16 Q);



// Float to 32-bit Mantissa and Exponent using frexp

void f2me(float n, Word32 *mantissa, Word16 *expo);