Commit d33fae5a authored by reutelhuber's avatar reutelhuber
Browse files

FhG: Contribution 22: stabilization of global IPD in DFT Stereo Encoder

parent ef53cb31

apps/decoder.c

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@@ -1096,6 +1096,11 @@ static void usage_dec( void ) 
    fprintf( stdout, "                      left or l or 1->left, right or r or -1->right, center or c or  0->middle\n" );

    fprintf( stdout, "-q                  : Quiet mode, no frame counter\n" );

    fprintf( stdout, "                      default is deactivated\n" );

#ifdef DEBUG_MODE_INFO

#ifdef DEBUG_MODE_INFO_TWEAK

    fprintf( stdout, "-info <folder>      : specify subfolder name for debug output\n" );

#endif

#endif

    fprintf( stdout, "\n" );



    return;

lib_com/ivas_cnst.h

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@@ -524,6 +524,10 @@ typedef enum 


#define STEREO_DFT_XCORR_LB_MAX                 24



#ifdef STABILIZE_GIPD

#define STEREO_DFT_IPD_BUF_LEN                  5

#endif



#define STEREO_DFT_N_COH_PRED                   4                           /* Number of intra-frame predictors for coherence vector */

#define STEREO_DFT_COH_PRED_COEFFS              15                          /* Number of coefficients per predictor */

#define STEREO_DFT_PRED_NBITS                   2                           /* Bits to signal predictor (log_2(4) = 2) */

lib_com/ivas_prot.h

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+0 −0

File mode changed from 100644 to 100755.

View file

lib_com/options.h

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@@ -154,7 +154,7 @@ 
#define FIX_VBR_COMPLEXITY                              /* Issue 234: fix extremely high complexity numbers for IVAS EVS mode */

#define FIX_ISM_INACTIVE_BITS                           /* Issue 230: fix bitbudget distribution in inactive frames in ISM format */

#define IMPROVE_CMDLINE_ROBUSTNESS                      /* Issue 233: Improve robustness of command-line parameters */



#define STABILIZE_GIPD                                  /* FhG: Contribution 22: gIPD stabilization */



/* ################## End DEVELOPMENT switches ######################### */

/* clang-format on */

lib_enc/ivas_stat_enc.h

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@@ -212,6 +212,12 @@ typedef struct stereo_dft_enc_data_struct 
    float sfm;

    float sum_dot_prod_real;

    float sum_dot_prod_img;

#ifdef STABILIZE_GIPD

    float dot_prod_real_smooth[STEREO_DFT_BAND_MAX];

    float dot_prod_img_smooth[STEREO_DFT_BAND_MAX];

    float ipd_buf[STEREO_DFT_BAND_MAX][STEREO_DFT_IPD_BUF_LEN];

    float prev_gipd;

#endif



    /*ITD*/

    ITD_DATA_HANDLE hItd;