Commit 07db0e13 authored by bayers's avatar bayers
Browse files

reduce static memory in the MDFT FB at the encoder for all non-SPAR/DirAC... 

reduce static memory in the MDFT FB at the encoder for all non-SPAR/DirAC modes, under define FIX_126_MDFT_FB_STATIC_MEM, active, BE
parent d5077eb7

lib_com/ivas_fb_mixer.c

+20 −3
Original line number Diff line number Diff line
@@ -186,16 +186,27 @@ ivas_error ivas_FB_mixer_open( 


    frame_len = (int16_t) ( sampling_rate / FRAMES_PER_SEC );





    if ( ( hFbMixer = (IVAS_FB_MIXER_HANDLE) count_malloc( sizeof( IVAS_FB_MIXER_DATA ) ) ) == NULL )

    {

        return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );

    }



#ifdef FIX_126_MDFT_FB_STATIC_MEM

    if ( fb_cfg->num_out_chans > 0 )

    {

#endif

        if ( ( hFbMixer->pFb = (ivas_filterbank_t *) count_malloc( sizeof( ivas_filterbank_t ) ) ) == NULL )

        {

            return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for FB mixer encoder" );

        }



#ifdef FIX_126_MDFT_FB_STATIC_MEM

    }

    else

    {

        hFbMixer->pFb = NULL;

    }

#endif

    if ( fb_cfg->active_w_mixing == -1 )

    {

        num_chs_alloc = 0;
@@ -312,10 +323,13 @@ ivas_error ivas_FB_mixer_open( 
    }

    else

    {

#ifndef FIX_126_MDFT_FB_STATIC_MEM

        int16_t k;

#endif



        /* ignore all the deeper filter bank stuff for now */

        hFbMixer->num_diff_bands = 0;

#ifndef FIX_126_MDFT_FB_STATIC_MEM

        hFbMixer->pFb->fb_consts.pFilterbank_bins_per_band = NULL;

        hFbMixer->pFb->fb_consts.pFilterbank_bins_start_offset = NULL;
@@ -332,6 +346,7 @@ ivas_error ivas_FB_mixer_open( 
        {

            hFbMixer->pFb->fb_bin_to_band.pFb_bin_to_band[i] = NULL;

        }

#endif

    }



    hFbMixer->fb_cfg = fb_cfg;
@@ -1059,10 +1074,12 @@ static ivas_error ivas_filterbank_setup( 
            return IVAS_ERROR( IVAS_ERR_INTERNAL_FATAL, "Wrong FB in ivas_filterbank_setup()!" );

        }

    }

#ifndef FIX_126_MDFT_FB_STATIC_MEM

    else

    {

        hFbMixer->pFb->filterbank_num_bands = 0;

    }

#endif



    hFbMixer->cross_fade_end_offset = pCfg->fade_len + pCfg->pcm_offset;

    hFbMixer->cross_fade_start_offset = hFbMixer->cross_fade_end_offset - pCfg->fade_len;

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ 
#define REMOVE_SID_HARM_LEFTOVERS                       /* Issue 192: remove leftovers from the SID bitrate harmonization */

#define FIX_MCT_UNINIT_MEM                              /* Issue 166: Reading of uninitialized memory in TCX range coder */

#define FIX_IGF_NOISE_REPETITION                        /* Issue 182: fix repetition of same noise in IGF */

#define FIX_126_MDFT_FB_STATIC_MEM                      /* Issue 126: reduce static mem consumption of the MDFT FB for non-SBA formats */





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