Merge branch '2218_ref_port_float_mr2316_omasa_enc_panning' into 'ivas-float-update' (0915a15e) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_cnst.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -1239,6 +1239,9 @@ enum
		#define OMASA_GAIN_EDIT_THR 0.06f /* OMASA gain change threshold */
		#define OMASA_AZI_EDIT_THR 1.0f /* OMASA-DISC azimuth change threshold */
		#define OMASA_ELE_EDIT_THR 2.0f /* OMASA-DISC elevation change threshold */
		#ifdef NONBE_1380_OMASA_BUILD_DIFF
		#define OMASA_PAN_TBL_LEN 601
		#endif

		#define MASA_JBM_RINGBUFFER_FRAMES 3

lib_com/ivas_omasa_com.c

+64 −1

Original line number	Diff line number	Diff line
		@@ -61,7 +61,11 @@
		#define GAMMA_ISM_MEDIUM_IMP4 1.0f
		#define GAMMA_ISM_HIGH_IMP4 1.2f


		#ifdef NONBE_1380_OMASA_BUILD_DIFF
		#define PAN_MAX_DEG 30.0f
		#define ONE_OVER_PAN_STEP_DEG 10.0f
		#define SIN_LS_ANGLE 0.5f /* sinf( 30.0f * PI_OVER_180 ) */
		#endif
		/*---------------------------------------------------------------
		* ivas_omasa_ism_mode_select()
		*
		@@ -496,6 +500,64 @@ void ivas_get_stereo_panning_gains(
		const float eleDeg,
		float panningGains[2] )
		{
		#ifdef NONBE_1380_OMASA_BUILD_DIFF
		float aziPlusEle, aziMinusEle, y;

		/* use identity sin(A+B) + sin(A−B) = 2 sinA cosB */
		aziPlusEle = aziDeg + eleDeg;
		aziMinusEle = aziDeg - eleDeg;

		/* wrap into -180..+180 */
		while ( aziPlusEle > 180.0f )
		{
		aziPlusEle -= 360.0f;
		}
		while ( aziPlusEle < -180.0f )
		{
		aziPlusEle += 360.0f;
		}
		while ( aziMinusEle > 180.0f )
		{
		aziMinusEle -= 360.0f;
		}
		while ( aziMinusEle < -180.0f )
		{
		aziMinusEle += 360.0f;
		}

		/* compute Y-coordinate corresponding to the azimuth and elevation: y = sin(azi) * cos(ele) = (sin(azi+ele) + sin(azi-ele)) / 2 */
		y = ( sinf( aziPlusEle * PI_OVER_180 ) + sinf( aziMinusEle * PI_OVER_180 ) ) * 0.5f;

		if ( y >= SIN_LS_ANGLE )
		{ /* Left side */
		panningGains[0] = 1.0f;
		panningGains[1] = 0.0f;
		}
		else if ( y <= -SIN_LS_ANGLE )
		{ /* Right side */
		panningGains[0] = 0.0f;
		panningGains[1] = 1.0f;
		}
		else /* Tangent panning law */
		{
		/* from sin(angle) to index assuming range -30..+30 degrees with 0.1-degree spacing */
		float angleDeg, pos;
		int16_t idx;

		/* Convert azi and ele to an azi value of the cone of confusion */
		angleDeg = asinf( y ) * _180_OVER_PI;
		angleDeg = fmaxf( fminf( angleDeg, PAN_MAX_DEG ), -PAN_MAX_DEG );

		/* compute the panning gains from the mapped azimuth using a look-up table */
		pos = ( angleDeg + PAN_MAX_DEG ) * ONE_OVER_PAN_STEP_DEG; /* ideal floating index */
		idx = (int16_t) roundf( pos );

		idx = max( 0, min( idx, OMASA_PAN_TBL_LEN - 1 ) );

		panningGains[0] = ivas_tan_panning_gain_tbl[idx];
		panningGains[1] = ivas_tan_panning_gain_tbl[OMASA_PAN_TBL_LEN - 1 - idx];
		}
		#else
		float aziRad, eleRad;
		float y, mappedX, aziRadMapped, A, A2, A3;
		const float LsAngleRad = 30.0f * PI_OVER_180;
		@@ -524,6 +586,7 @@ void ivas_get_stereo_panning_gains(
		panningGains[0] = sqrtf( A3 );
		panningGains[1] = sqrtf( 1.0f - A3 );
		}
		#endif

		return;
		}

lib_com/ivas_rom_com.c

+127 −0

Original line number	Diff line number	Diff line
		@@ -2871,6 +2871,133 @@ const float dct12[12*12]=
		0.2887f, -0.4048f, 0.3943f, -0.3772f, 0.3536f, -0.3239f, 0.2887f, -0.2485f, 0.2041f, -0.1562f, 0.1057f, -0.0533f
		};

		#ifdef NONBE_1380_OMASA_BUILD_DIFF
		const float ivas_tan_panning_gain_tbl[OMASA_PAN_TBL_LEN] =
		{
		0.0000000f, 0.0020142f, 0.0040283f, 0.0060425f, 0.0080872f,
		0.0101013f, 0.0121460f, 0.0141907f, 0.0162354f, 0.0182800f,
		0.0203552f, 0.0223999f, 0.0244751f, 0.0265198f, 0.0285950f,
		0.0306702f, 0.0327454f, 0.0348206f, 0.0369263f, 0.0390015f,
		0.0411072f, 0.0432129f, 0.0453186f, 0.0474243f, 0.0495300f,
		0.0516357f, 0.0537415f, 0.0558777f, 0.0580139f, 0.0601196f,
		0.0622559f, 0.0643921f, 0.0665588f, 0.0686951f, 0.0708313f,
		0.0729980f, 0.0751648f, 0.0773315f, 0.0794983f, 0.0816650f,
		0.0838318f, 0.0859985f, 0.0881958f, 0.0903625f, 0.0925598f,
		0.0947571f, 0.0969543f, 0.0991516f, 0.1013489f, 0.1035767f,
		0.1057739f, 0.1080017f, 0.1102295f, 0.1124573f, 0.1146851f,
		0.1169128f, 0.1191406f, 0.1213684f, 0.1236267f, 0.1258850f,
		0.1281128f, 0.1303711f, 0.1326294f, 0.1348877f, 0.1371765f,
		0.1394348f, 0.1416931f, 0.1439819f, 0.1462708f, 0.1485596f,
		0.1508484f, 0.1531372f, 0.1554260f, 0.1577148f, 0.1600342f,
		0.1623230f, 0.1646423f, 0.1669617f, 0.1692505f, 0.1715698f,
		0.1739197f, 0.1762390f, 0.1785583f, 0.1809082f, 0.1832275f,
		0.1855774f, 0.1879272f, 0.1902466f, 0.1925964f, 0.1949768f,
		0.1973267f, 0.1996765f, 0.2020569f, 0.2044067f, 0.2067871f,
		0.2091370f, 0.2115173f, 0.2138977f, 0.2162781f, 0.2186584f,
		0.2210693f, 0.2234497f, 0.2258301f, 0.2282410f, 0.2306519f,
		0.2330322f, 0.2354431f, 0.2378540f, 0.2402649f, 0.2426758f,
		0.2450867f, 0.2475281f, 0.2499390f, 0.2523499f, 0.2547913f,
		0.2572327f, 0.2596436f, 0.2620850f, 0.2645264f, 0.2669678f,
		0.2694092f, 0.2718506f, 0.2742920f, 0.2767639f, 0.2792053f,
		0.2816772f, 0.2841187f, 0.2865906f, 0.2890320f, 0.2915039f,
		0.2939758f, 0.2964478f, 0.2989197f, 0.3013916f, 0.3038635f,
		0.3063354f, 0.3088074f, 0.3113098f, 0.3137817f, 0.3162537f,
		0.3187561f, 0.3212280f, 0.3237305f, 0.3262329f, 0.3287048f,
		0.3312073f, 0.3337097f, 0.3362122f, 0.3387146f, 0.3412170f,
		0.3437195f, 0.3462219f, 0.3487244f, 0.3512268f, 0.3537292f,
		0.3562317f, 0.3587646f, 0.3612671f, 0.3637695f, 0.3663025f,
		0.3688049f, 0.3713074f, 0.3738403f, 0.3763428f, 0.3788757f,
		0.3814087f, 0.3839111f, 0.3864441f, 0.3889465f, 0.3914795f,
		0.3940125f, 0.3965149f, 0.3990479f, 0.4015808f, 0.4041138f,
		0.4066162f, 0.4091492f, 0.4116821f, 0.4142151f, 0.4167175f,
		0.4192505f, 0.4217834f, 0.4243164f, 0.4268188f, 0.4293518f,
		0.4318848f, 0.4344177f, 0.4369202f, 0.4394531f, 0.4419861f,
		0.4445190f, 0.4470215f, 0.4495544f, 0.4520874f, 0.4545898f,
		0.4571228f, 0.4596558f, 0.4621582f, 0.4646912f, 0.4671936f,
		0.4697266f, 0.4722290f, 0.4747620f, 0.4772644f, 0.4797668f,
		0.4822998f, 0.4848022f, 0.4873047f, 0.4898071f, 0.4923096f,
		0.4948425f, 0.4973450f, 0.4998474f, 0.5023193f, 0.5048218f,
		0.5073242f, 0.5098267f, 0.5123291f, 0.5148010f, 0.5173035f,
		0.5197754f, 0.5222778f, 0.5247498f, 0.5272217f, 0.5297241f,
		0.5321960f, 0.5346680f, 0.5371399f, 0.5396118f, 0.5420837f,
		0.5445251f, 0.5469971f, 0.5494385f, 0.5519104f, 0.5543518f,
		0.5568237f, 0.5592651f, 0.5617065f, 0.5641479f, 0.5665894f,
		0.5690002f, 0.5714417f, 0.5738831f, 0.5762939f, 0.5787048f,
		0.5811462f, 0.5835571f, 0.5859680f, 0.5883789f, 0.5907593f,
		0.5931702f, 0.5955505f, 0.5979614f, 0.6003418f, 0.6027222f,
		0.6051025f, 0.6074829f, 0.6098633f, 0.6122131f, 0.6145935f,
		0.6169434f, 0.6192932f, 0.6216431f, 0.6239929f, 0.6263428f,
		0.6286621f, 0.6309814f, 0.6333313f, 0.6356506f, 0.6379700f,
		0.6402588f, 0.6425781f, 0.6448669f, 0.6471863f, 0.6494751f,
		0.6517639f, 0.6540527f, 0.6563110f, 0.6585999f, 0.6608582f,
		0.6631165f, 0.6653748f, 0.6676025f, 0.6698608f, 0.6720886f,
		0.6743164f, 0.6765442f, 0.6787720f, 0.6809998f, 0.6831970f,
		0.6853943f, 0.6875916f, 0.6897888f, 0.6919861f, 0.6941528f,
		0.6963196f, 0.6984863f, 0.7006531f, 0.7027893f, 0.7049561f,
		0.7070923f, 0.7092285f, 0.7113647f, 0.7134705f, 0.7155762f,
		0.7177124f, 0.7197876f, 0.7218933f, 0.7239685f, 0.7260742f,
		0.7281494f, 0.7301941f, 0.7322693f, 0.7343140f, 0.7363586f,
		0.7384033f, 0.7404480f, 0.7424622f, 0.7444763f, 0.7464905f,
		0.7485046f, 0.7504883f, 0.7524719f, 0.7544556f, 0.7564392f,
		0.7583923f, 0.7603455f, 0.7622986f, 0.7642517f, 0.7662048f,
		0.7681274f, 0.7700500f, 0.7719421f, 0.7738647f, 0.7757568f,
		0.7776489f, 0.7795410f, 0.7814026f, 0.7832642f, 0.7851257f,
		0.7869873f, 0.7888184f, 0.7906494f, 0.7924805f, 0.7943115f,
		0.7961121f, 0.7979126f, 0.7997131f, 0.8015137f, 0.8032837f,
		0.8050537f, 0.8068237f, 0.8085632f, 0.8103027f, 0.8120422f,
		0.8137817f, 0.8154907f, 0.8171997f, 0.8189087f, 0.8206177f,
		0.8222961f, 0.8239746f, 0.8256531f, 0.8273010f, 0.8289795f,
		0.8306274f, 0.8322449f, 0.8338928f, 0.8355103f, 0.8370972f,
		0.8387146f, 0.8403015f, 0.8418884f, 0.8434753f, 0.8450317f,
		0.8465881f, 0.8481445f, 0.8497009f, 0.8512268f, 0.8527527f,
		0.8542786f, 0.8557739f, 0.8572693f, 0.8587646f, 0.8602600f,
		0.8617249f, 0.8631897f, 0.8646545f, 0.8660889f, 0.8675232f,
		0.8689575f, 0.8703918f, 0.8717957f, 0.8731995f, 0.8746033f,
		0.8759766f, 0.8773804f, 0.8787231f, 0.8800964f, 0.8814392f,
		0.8827820f, 0.8841248f, 0.8854675f, 0.8867798f, 0.8880920f,
		0.8893738f, 0.8906860f, 0.8919678f, 0.8932190f, 0.8945007f,
		0.8957520f, 0.8970032f, 0.8982544f, 0.8994751f, 0.9006958f,
		0.9019165f, 0.9031067f, 0.9042969f, 0.9054871f, 0.9066772f,
		0.9078369f, 0.9089966f, 0.9101562f, 0.9113159f, 0.9124451f,
		0.9135742f, 0.9147034f, 0.9158020f, 0.9169006f, 0.9179993f,
		0.9190979f, 0.9201660f, 0.9212341f, 0.9223022f, 0.9233398f,
		0.9243774f, 0.9254150f, 0.9264526f, 0.9274597f, 0.9284973f,
		0.9294739f, 0.9304810f, 0.9314575f, 0.9324341f, 0.9334106f,
		0.9343872f, 0.9353333f, 0.9362793f, 0.9371948f, 0.9381409f,
		0.9390564f, 0.9399719f, 0.9408569f, 0.9417725f, 0.9426575f,
		0.9435425f, 0.9443970f, 0.9452820f, 0.9461365f, 0.9469910f,
		0.9478149f, 0.9486389f, 0.9494629f, 0.9502869f, 0.9511108f,
		0.9519043f, 0.9526978f, 0.9534912f, 0.9542542f, 0.9550171f,
		0.9557800f, 0.9565430f, 0.9573059f, 0.9580383f, 0.9587708f,
		0.9595032f, 0.9602051f, 0.9609070f, 0.9616089f, 0.9623108f,
		0.9630127f, 0.9636841f, 0.9643555f, 0.9650269f, 0.9656677f,
		0.9663391f, 0.9669800f, 0.9676208f, 0.9682312f, 0.9688721f,
		0.9694824f, 0.9700928f, 0.9707031f, 0.9712830f, 0.9718628f,
		0.9724426f, 0.9730225f, 0.9735718f, 0.9741516f, 0.9747009f,
		0.9752502f, 0.9757690f, 0.9763184f, 0.9768372f, 0.9773560f,
		0.9778748f, 0.9783630f, 0.9788818f, 0.9793701f, 0.9798279f,
		0.9803162f, 0.9808044f, 0.9812622f, 0.9817200f, 0.9821777f,
		0.9826050f, 0.9830627f, 0.9834900f, 0.9839172f, 0.9843445f,
		0.9847412f, 0.9851379f, 0.9855652f, 0.9859619f, 0.9863281f,
		0.9867249f, 0.9870911f, 0.9874573f, 0.9878235f, 0.9881897f,
		0.9885559f, 0.9888916f, 0.9892273f, 0.9895630f, 0.9898987f,
		0.9902039f, 0.9905396f, 0.9908447f, 0.9911499f, 0.9914551f,
		0.9917297f, 0.9920349f, 0.9923096f, 0.9925842f, 0.9928589f,
		0.9931335f, 0.9933777f, 0.9936523f, 0.9938965f, 0.9941406f,
		0.9943848f, 0.9945984f, 0.9948425f, 0.9950562f, 0.9952698f,
		0.9954834f, 0.9956970f, 0.9958801f, 0.9960938f, 0.9962769f,
		0.9964600f, 0.9966431f, 0.9968262f, 0.9969788f, 0.9971619f,
		0.9973145f, 0.9974670f, 0.9976196f, 0.9977722f, 0.9978943f,
		0.9980469f, 0.9981689f, 0.9982910f, 0.9984131f, 0.9985352f,
		0.9986572f, 0.9987488f, 0.9988708f, 0.9989624f, 0.9990540f,
		0.9991455f, 0.9992371f, 0.9992981f, 0.9993896f, 0.9994507f,
		0.9995117f, 0.9995728f, 0.9996338f, 0.9996948f, 0.9997253f,
		0.9997864f, 0.9998169f, 0.9998474f, 0.9998779f, 0.9999084f,
		0.9999390f, 0.9999390f, 0.9999695f, 0.9999695f, 0.9999695f,
		0.9999695f
		};
		#endif

		/----------------------------------------------------------------------------------
		* ISM ROM tables
		----------------------------------------------------------------------------------/

lib_com/ivas_rom_com.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -336,6 +336,9 @@ extern const Word32 dct4_fx[];
		extern const Word32 dct5_fx[];
		extern const Word32 dct8_fx[];
		extern const Word32 dct12_fx[];
		#ifdef NONBE_1380_OMASA_BUILD_DIFF
		extern const float ivas_tan_panning_gain_tbl[];
		#endif

		/----------------------------------------------------------------------------------
		* ISM ROM tables

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -204,6 +204,7 @@
		#define NONBE_FIX_NONBE_BETWEEN_OPTIMIZATION_LEVELS_2 /* FhG: fix even more non-BEnesses */
		#define FIX_1437_LC3PLUS_EXTREND_HIRES /* FhG: fix external renderer split bitstream header writing causing a crash for LC3plus High-res mode */
		#define FIX_GAIN_EDIT_LIMITS /* Harmonize gain edit limits for all opertation points. For all modes, limit to max +12dB. For parametric modes, limit to min -24dB. */
		#define NONBE_1380_OMASA_BUILD_DIFF /* Nokia: Fix for issue #1380: Large differences in OMASA output between Debug and Release builds */

		// object-editing feature porting
		#define FIX_HRTF_LOAD_API // solves API conflicts between HRTF and object-editing features

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