Issue 2546: Harmonizing function tcx_scalar_quantization_rateloop_ivas_fx(),... (6a54b862) · Commits · SA4 / Audio / IVAS BASOP

lib_enc/cod_tcx_fx.c

+46 −15

Original line number	Diff line number	Diff line
		@@ -1594,6 +1594,7 @@ void QuantizeSpectrum_fx(
		phm_cfg = hm_cfg;
		move16();
		}
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		sqBits = tcx_scalar_quantization_rateloop_fx(spectrum, *spectrum_e,
		sqQ,
		L_spec,
		@@ -1609,6 +1610,36 @@ void QuantizeSpectrum_fx(
		hTcxCfg->tcxRateLoopOpt,
		tcxonly,
		phm_cfg );
		#else
		Word16 max_iter = 4;
		move16();
		IF(EQ_16(st->element_mode, IVAS_CPE_MDCT))
		{
		max_iter = 2;
		move16();
		}
		sqBits = tcx_scalar_quantization_rateloop_ivas_fx(spectrum, *spectrum_e,
		sqQ,
		L_spec,
		&sqGain, &sqGain_e,
		hTcxCfg->sq_rounding,
		hTcxEnc->memQuantZeros,
		prm_lastnz, /* lastnz */
		sqTargetBits,
		&nEncoded,
		&stop,
		sqBits_noStop,
		sqBits,
		hTcxCfg->tcxRateLoopOpt,
		tcxonly,
		phm_cfg,
		max_iter,
		st->element_mode);
		//sqBits = tcx_scalar_quantization_rateloop_ivas_fx(spectrum_fx, spectrum_e, sqQ, L_spec, &sqGain_fx, &sqGain_e, st->hTcxCfg->sq_rounding, hTcxEnc->memQuantZeros, prm_lastnz, / lastnz */ sqTargetBits, &nEncoded, &stop, sqBits_noStop, sqBits, st->hTcxCfg->tcxRateLoopOpt, st->tcxonly, phm_cfg, max_iter, st->element_mode);

		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR



		IF( ctxHmBits > 0 ) /* Mapping tool is enabled */
		{

lib_enc/tcx_utils_enc_fx.c

+121 −9

Original line number	Diff line number	Diff line
		@@ -1753,13 +1753,73 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		move16();
		Word16 tmp, fac1, fac2;
		Word32 tmp32;

		Word16 lastnz, saturated, minSqGain = 0;
		move16();

		/* Init */
		saturated = 0;
		move16();
		/* minSqGain = (float) sqrt( (float) NORM_MDCT_FACTOR / (float) L_frame ); in Q14*/
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		SWITCH(L_frame)
		{
		case 80:
		minSqGain = 23170;
		BREAK;
		case 100:
		minSqGain = 20724;
		BREAK;
		case 160:
		minSqGain = 16384;
		BREAK;
		case 200:
		minSqGain = 14654;
		BREAK;
		case 240:
		minSqGain = 13377;
		BREAK;
		case 300:
		minSqGain = 11965;
		BREAK;
		case 320:
		minSqGain = 11585;
		BREAK;
		case 400:
		minSqGain = 10362;
		BREAK;
		case 480:
		minSqGain = 9459;
		BREAK;
		case 600:
		minSqGain = 8461;
		BREAK;
		case 640:
		minSqGain = 8192;
		BREAK;
		case 800:
		minSqGain = 7327;
		BREAK;
		case 960:
		minSqGain = 6689;
		BREAK;
		case 1200:
		minSqGain = 5983;
		BREAK;
		case 1440:
		minSqGain = 5461;
		BREAK;
		case 1800:
		minSqGain = 4885;
		BREAK;
		case 2048:
		minSqGain = 4579;
		BREAK;
		default:
		assert(0);
		}
		move16();
		#else
		IF(NE_16(element_mode, EVS_MONO)) {
		SWITCH(L_frame)
		{
		case 80:
		@@ -1817,6 +1877,9 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		assert(0);
		}
		move16();
		}
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR

		sqGain = *gain;
		move16();
		sqGain_e = *gain_e;
		@@ -1876,8 +1939,15 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		lb_e = sqGain_e;
		move16();
		w_lb = add( sub( stopFlag, target ), kDampen );
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		saturated = 0;
		move16();
		#else
		IF(NE_16(element_mode, EVS_MONO)) {
		saturated = 0;
		move16();
		}
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		IF( ubfound != 0 )
		{
		/* common exponent for addition */
		@@ -1938,7 +2008,21 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		sqGain = mult( sqGain, sub( tmp, add( mod_adjust1, (Word16) 0x8000 ) ) );
		sqGain = normalize16( sqGain, &sqGain_e );
		}

		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		Word16 shift_tmp = s_max( sqGain_e, 1 );
		move16();
		test();
		IF( LT_16( shl( sqGain, sub( sqGain_e, shift_tmp ) ), shl( minSqGain, sub( 1, shift_tmp ) ) ) && EQ_16( tcxRateLoopOpt, 3 ) )
		{
		sqGain = minSqGain;
		move16();
		sqGain_e = 1;
		move16();
		saturated = 1;
		move16();
		}
		#else
		IF(NE_16(element_mode, EVS_MONO )) {
		Word16 shift_tmp = s_max(sqGain_e, 1);
		move16();
		test();
		@@ -1952,10 +2036,18 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		move16();
		}
		}
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		}
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		ELSE
		{
		BREAK; /* we cannot go any lower anyway*/
		}
		#else
		ELSE IF(NE_16(element_mode, EVS_MONO)){
		BREAK; /* we cannot go any lower anyway*/
		}
		#endif // FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		}
		ELSE /* tcxRateLoopOpt != 2 */
		{
		@@ -2013,8 +2105,16 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		}

		/* Quantize spectrum */
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		tcx_scalar_quantization_ivas_fx(x, x_e, xq, L_frame, sqGain, sqGain_e, offset, memQuantZeros_fx, tcxonly);

		#else
		IF(EQ_16(element_mode, EVS_MONO)) {
		tcx_scalar_quantization_fx(x, x_e, xq, L_frame, sqGain, sqGain_e, offset, memQuantZeros_fx, tcxonly);
		}
		ELSE{
		tcx_scalar_quantization_ivas_fx(x, x_e, xq, L_frame, sqGain, sqGain_e, offset, memQuantZeros_fx, tcxonly);
		}
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		/* Estimate bitrate */
		stopFlag = 1;
		move16();
		@@ -2023,8 +2123,11 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(
		stopFlag = 0;
		move16();
		}

		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		IF(GT_16(element_mode, EVS_MONO))
		#else
		IF(NE_16(element_mode, EVS_MONO))
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		{
		sqBits = RCcontextMapping_encode2_estimate_no_mem_s17_LCS_fx( xq, L_frame, &lastnz, nEncoded, target, &stopFlag, 0, hm_cfg );
		}
		@@ -2066,8 +2169,17 @@ Word16 tcx_scalar_quantization_rateloop_ivas_fx(

		IF( GE_16( tcxRateLoopOpt, 1 ) )
		{
		#ifndef FIX_BASOP_2546_HARMONIZE_TCX_SCALAR
		/* Quantize spectrum */
		tcx_scalar_quantization_ivas_fx(x, x_e, xq, L_frame, gain, gain_e, offset, memQuantZeros_fx, tcxonly);
		#else
		IF(EQ_16(element_mode, EVS_MONO)) {
		tcx_scalar_quantization_fx(x, x_e, xq, L_frame, gain, gain_e, offset, memQuantZeros_fx, tcxonly);
		}
		ELSE{
		tcx_scalar_quantization_ivas_fx(x, x_e, xq, L_frame, gain, gain_e, offset, memQuantZeros_fx, tcxonly);
		}
		#endif // !FIX_BASOP_2546_HARMONIZE_TCX_SCALAR

		/* Output */
		*nEncoded = old_nEncoded;