Commit 694d8cee authored by Sandesh Venkatesh's avatar Sandesh Venkatesh
Browse files

Subfunctions for mode_switch_decoder_LPD converted to fixed point. 

[x] Fixed point changes added to core_com_config.c.
[x] init_tcx_cfg, TonalMDCTconceal_Init modified with fixed changes.
parent e9df5ed3

Workspace_msvc/lib_com.vcxproj

+1 −0
Original line number Diff line number Diff line
@@ -188,6 +188,7 @@ 
    <ClCompile Include="..\lib_com\findpulse.c" />

    <ClCompile Include="..\lib_com\fine_gain_bits.c" />

    <ClCompile Include="..\lib_com\fine_gain_bits_fx.c" />

    <ClCompile Include="..\lib_com\float_to_fix_ops.c" />

    <ClCompile Include="..\lib_com\frame_ener.c" />

    <ClCompile Include="..\lib_com\gain_inov_fx.c" />

    <ClCompile Include="..\lib_com\get_gain.c" />

Workspace_msvc/lib_com.vcxproj.filters

+1 −0
Original line number Diff line number Diff line
@@ -805,6 +805,7 @@ 
    <ClCompile Include="..\lib_com\ivas_sns_com_fx.c">

      <Filter>common_ivas_c</Filter>

    </ClCompile>

    <ClCompile Include="..\lib_com\float_to_fix_ops.c" />

  </ItemGroup>

  <ItemGroup>

    <ClInclude Include="..\lib_com\basop32.h" />

lib_com/cldfb.c

+28 −1
Original line number Diff line number Diff line
@@ -42,7 +42,7 @@ 
#include "prot.h"

#include "rom_com.h"

#include "wmc_auto.h"



#include "prot_fx2.h"

#if __STDC_VERSION__ >= 199901L

#if defined __ICL

#define restrict __restrict
@@ -723,6 +723,12 @@ ivas_error openCldfb_ivas( 
    {

        buf_len = hs->p_filter_length;

    }

#ifdef IVAS_FLOAT_FIXED

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

    {

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

    }

#endif // IVAS_FLOAT_FIXED



    if ( ( hs->cldfb_state = (float *) malloc( buf_len * sizeof( float ) ) ) == NULL )

    {
@@ -1230,3 +1236,24 @@ void cldfb_reset_memory_ivas( 


    return;

}

void cldfb_reset_memory_fx(

	HANDLE_CLDFB_FILTER_BANK hs /* i/o: filter bank handle */,

	Word16* memory_length

)

{

	UWord16 offset = sub(hs->p_filter_length, hs->no_channels);



	IF (hs->type == CLDFB_ANALYSIS)

	{

		*memory_length = offset;

	}

	ELSE

	{

		*memory_length = hs->p_filter_length;

	}



		/* save the memory */

	set16_fx(hs->cldfb_state_fx, 0, *memory_length);



	return;

}
 
 No newline at end of file

lib_com/core_com_config.c

+606 −86

File changed.

Preview size limit exceeded, changes collapsed.

lib_com/float_to_fix_ops.c

0 → 100644
+76 −0
Original line number Diff line number Diff line 
#include <stdio.h>

#include <stdlib.h>

#include <stdint.h>

#include "options.h"

#include "prot.h"

Word32 floatToFixed(const float f, Word16 Q)

{

	if (Q < 0)

		return (Word32)((float)(f) / (float)(1 << (-Q)) + (f >= 0 ? 0.5 : -0.5));

	else

		return (Word32)(f * (float)(1 << Q) + (f >= 0 ? 0.5 : -0.5));

}



float fixedToFloat(const Word32 i, Word16 Q)

{

	if (Q < 0)

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

	else

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

}

void floatToFixed_arrL(const 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)

{

	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)

{

	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)

{

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

	{

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

	}

}

Word16 Q_factor(Word16 x)

{

	return norm_s(x);

}

Word16 Q_factor_L(Word32 x)

{

	return norm_l(x);

}

Word16 Q_factor_arr(float *x, Word16 l)

{

	Word16 Q = 15;

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

	{

		if (x[i] >= 1 || x[i] <= -1)

			Q = s_min(Q, norm_s((Word16)x[i]));

	}

	return Q;

}

Word16 Q_factor_arrL(float *x, Word16 l)

{

	Word16 Q = 31;

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

	{

		if (x[i] >= 1 || x[i] <= -1)

			Q = s_min(Q, norm_l((Word32)x[i]));

	}

	return Q;

}