Commit 13d7dce2 authored by reutelhuber's avatar reutelhuber
Browse files

reduce dynamic RAM consumption in MCT IGF

parent 3055ca9e

lib_com/options.h

100644 → 100755
+1 −1
Original line number Diff line number Diff line
@@ -150,7 +150,7 @@ 
#define ALIGN_SID_SIZE                                  /* Issue 111: make all DTX modes use one SID frame bitrate (5.2 kbps) */

#define FIX_135_MDCT_STEREO_MODE_UNINITIALIZED          /* Issue 135: fix uninitialized value usage in SBA MDCT-Stereo core with PLC */





#define DRAM_REDUCTION_MCT_IGF                          /* Issue 121: reduce dynamic RAM consumption in MCT IGF */





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

lib_com/prot.h

100644 → 100755
+8 −0
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@@ -7396,7 +7396,11 @@ void ProcessStereoIGF( 
    Encoder_State *sts[CPE_CHANNELS],            /* i  : Encoder state                           */

    int16_t ms_mask[2][MAX_SFB],                 /* i  : bandwise MS mask                        */

    float *pITFMDCTSpectrum[CPE_CHANNELS][2],    /* i  : MDCT spectrum fir ITF                   */

#ifdef DRAM_REDUCTION_MCT_IGF

    float *pPowerSpectrum[CPE_CHANNELS],           /* i/o: MDCT^2 + MDST^2 spectrum, or estimate   */

#else

    float pPowerSpectrum[CPE_CHANNELS][N_MAX],   /* i  : MDCT^2 + MDST^2 spectrum, or estimate   */

#endif

    float *pPowerSpectrumMsInv[CPE_CHANNELS][2], /* i  : inverse power spectrum                  */

    float *inv_spectrum[CPE_CHANNELS][2],        /* i  : inverse spectrum                        */

    const int16_t frameno,                       /* i  : flag indicating index of current subframe*/
@@ -9794,7 +9798,11 @@ void IGFEncApplyStereo( 
    const IGF_ENC_INSTANCE_HANDLE hIGFEnc[CPE_CHANNELS], /* i  : instance handle of IGF Encoder              */

    const int16_t igfGridIdx,                            /* i  : IGF grid index                              */

    Encoder_State *sts[CPE_CHANNELS],                    /* i  : Encoder state                               */

#ifdef DRAM_REDUCTION_MCT_IGF

    float *pPowerSpectrum[CPE_CHANNELS],           /* i/o: MDCT^2 + MDST^2 spectrum, or estimate   */

#else

    float pPowerSpectrum[CPE_CHANNELS][N_MAX],           /* i/o: MDCT^2 + MDST^2 spectrum, or estimate       */

#endif

    float *pPowerSpectrumMsInv[CPE_CHANNELS][2],         /* i/o: inverse power spectrum                      */

    float *inv_spectrum[CPE_CHANNELS][2],                /* i  : inverse spectrum                            */

    const int16_t frameno,                               /* i  : flag indicating index of current subframe   */

lib_enc/igf_enc.c

100644 → 100755
+4 −0
Original line number Diff line number Diff line
@@ -1852,7 +1852,11 @@ void IGFEncApplyStereo( 
    const IGF_ENC_INSTANCE_HANDLE hIGFEnc[CPE_CHANNELS], /* i  : instance handle of IGF Encoder          */

    const int16_t igfGridIdx,                            /* i  : IGF grid index                          */

    Encoder_State *sts[CPE_CHANNELS],                    /* i  : Encoder state                           */

#ifdef DRAM_REDUCTION_MCT_IGF

    float *pPowerSpectrum[CPE_CHANNELS],           /* i/o: MDCT^2 + MDST^2 spectrum, or estimate   */

#else

    float pPowerSpectrum[CPE_CHANNELS][N_MAX],           /* i/o: MDCT^2 + MDST^2 spectrum, or estimate   */

#endif

    float *pPowerSpectrumMsInv[CPE_CHANNELS][2],         /* i/o: inverse power spectrum                  */

    float *inv_spectrum[CPE_CHANNELS][2],                /* i  : inverse spectrum                        */

    const int16_t frameno,                               /* i  : flag indicating index of current subfr. */

lib_enc/ivas_mct_enc_mct.c

100644 → 100755
+9 −0
Original line number Diff line number Diff line
@@ -834,7 +834,11 @@ void mctStereoIGF_enc( 
    float *p_powerSpecMsInv[CPE_CHANNELS][NB_DIV];

    float *p_inv_spectrum[CPE_CHANNELS][NB_DIV];

    float *p_orig_spectrum[CPE_CHANNELS][NB_DIV];

#ifdef DRAM_REDUCTION_MCT_IGF

    float *p_powerSpec[NB_DIV];

#else

    float p_powerSpec[NB_DIV][N_MAX];

#endif

    int16_t singleChEle[MCT_MAX_CHANNELS];



    L_subframeTCX = 0; /* to avoid compilation warning */
@@ -855,10 +859,15 @@ void mctStereoIGF_enc( 
        p_st[0] = sts[ch1];

        p_st[1] = sts[ch2];



#ifdef DRAM_REDUCTION_MCT_IGF

        p_powerSpec[0] = powerSpec[ch1];

        p_powerSpec[1] = powerSpec[ch2];

#else

        mvr2r( powerSpec[ch1], p_powerSpec[0], L_FRAME48k );

        set_f( &p_powerSpec[0][L_FRAME48k], 0.f, N_MAX - L_FRAME48k );

        mvr2r( powerSpec[ch2], p_powerSpec[1], L_FRAME48k );

        set_f( &p_powerSpec[1][L_FRAME48k], 0.f, N_MAX - L_FRAME48k );

#endif



        /* Band-wise M/S for MDST */

        nSubframes = p_st[0]->hTcxEnc->tcxMode == TCX_20 ? 1 : NB_DIV;

lib_enc/ivas_stereo_mdct_core_enc.c

100644 → 100755
+9 −0
Original line number Diff line number Diff line
@@ -129,6 +129,9 @@ void stereo_mdct_core_enc( 
    float *p_orig_spectrum_long[CPE_CHANNELS], orig_spectrum_long[CPE_CHANNELS][N_MAX]; /* MDCT output (L/R). */

    float *orig_spectrum[CPE_CHANNELS][2];                                              /* Pointers to MDCT output for a short block (L/R) */

    float powerSpec[CPE_CHANNELS][N_MAX];

#ifdef DRAM_REDUCTION_MCT_IGF

    float *p_powerSpec[CPE_CHANNELS];

#endif

    float powerSpecMsInv_long[CPE_CHANNELS][N_MAX]; /* MS inv power spectrum, also inverse MDST spectrum */

    float *powerSpecMsInv[CPE_CHANNELS][2];

    float quantized_spectrum_long[CPE_CHANNELS][N_MAX]; /* quantized MDCT spectrum, inv ms mask mdst spectrum, scratch for MS spectra in the MS decision */
@@ -351,7 +354,13 @@ void stereo_mdct_core_enc( 
                       hStereoMdct->mdct_stereo_mode[n] == SMDCT_BW_MS ) &&

                     !hStereoMdct->isSBAStereoMode )

                {

#ifdef DRAM_REDUCTION_MCT_IGF

                    p_powerSpec[0] = powerSpec[0];

                    p_powerSpec[1] = powerSpec[1];

                    ProcessStereoIGF( hStereoMdct, sts, ms_mask, orig_spectrum, p_powerSpec, powerSpecMsInv, inv_spectrum, n, hCPE->hCoreCoder[0]->sp_aud_decision0, hCPE->hCoreCoder[0]->element_brate, 0 );

#else

                    ProcessStereoIGF( hStereoMdct, sts, ms_mask, orig_spectrum, powerSpec, powerSpecMsInv, inv_spectrum, n, hCPE->hCoreCoder[0]->sp_aud_decision0, hCPE->hCoreCoder[0]->element_brate, 0 );

#endif

                }

                else

                {