ivas_binRenderer_internal.c float to fix conversion (85d0e790) · Commits · SA4 / Audio / IVAS BASOP

lib_com/basop_util.c

+21 −1

Original line number	Diff line number	Diff line
		@@ -1237,7 +1237,6 @@ Word16 getCosWord16(Word16 theta)
		return result;
		}


		Word16 getCosWord16R2(
		Word16 theta )
		{
		@@ -1254,6 +1253,27 @@ Word16 getCosWord16R2(
		return result;
		}


		Word16 getSineWord16R2( Word16 theta )
		{
		IF ( theta == 0 )
		{
		return 0;
		}
		Word16 cosine = getCosWord16R2( theta );
		Word16 result = 32767 - ( mult_r( cosine, cosine ) );
		Word16 exp = 0;
		Word16 sine = Sqrt16( result, &exp );
		sine = shl( sine, exp );

		IF ( ( ( theta >= 16384 ) && ( theta <= 32767 ) ) \|\| ( ( theta < 0 ) && ( theta >= -16384 ) ) )
		{
		sine = negate( sine );
		}

		return sine;
		}

		/*
		* Calculate Integer Square Root of 'val'. This is the equivalent of (int)sqrt(val);
		* The return value will be truncated to the lowest integer (throwing away the fractionnal part.

lib_com/basop_util.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -460,6 +460,7 @@ Word32 getCosWord32(Word32 theta);
		* \return result with exponent 0.
		*/
		Word16 getCosWord16R2( Word16 theta );
		Word16 getSineWord16R2( Word16 theta );
		/****************************************************************************/
		/*!
		\brief Sets Array Word16 arg1 to value Word16 arg2 for Word16 arg3 elements

lib_com/ivas_cnst.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -48,6 +48,7 @@
		#define _180_OVER_PI ( 180.0f / EVS_PI )

		#define SQRT2 1.414213562373095f
		#define SQRT2_FIXED 1518500250 // Q30
		#define SQRT2_OVER_2 (SQRT2 / 2.0f)

		#define INV_SQRT2 7.071067811865475e-1f /* 1/sqrt(2) */

lib_com/ivas_prot.h

+15 −1

Original line number	Diff line number	Diff line
		@@ -3742,6 +3742,13 @@ void ivas_dirac_dec_get_response(
		float *response,
		const int16_t ambisonics_order
		);
		#ifdef IVAS_FLOAT_FIXED
		void ivas_dirac_dec_get_response_fixed(
		const Word16 azimuth,
		const Word16 elevation,
		Word32 *response,
		const Word16 ambisonics_order );
		#endif

		void calculate_hodirac_sector_parameters(
		DIRAC_ENC_HANDLE hDirAC,
		@@ -5295,7 +5302,14 @@ void panning_wrap_angles(
		float azi_wrapped, / o : wrapped azimuth component */
		float ele_wrapped / o : wrapped elevation component */
		);

		#ifdef IVAS_FLOAT_FIXED
		void panning_wrap_angles_fixed(
		const Word32 azi_deg, /* i : azimuth in degrees for panning direction (positive left) */
		const Word32 ele_deg, /* i : elevation in degrees for panning direction (positive up) */
		Word32 azi_wrapped, / o : wrapped azimuth component */
		Word32 ele_wrapped / o : wrapped elevation component */
		);
		#endif
		void v_sort_ind(
		float x, / i/o: Vector to be sorted */
		int16_t idx, / o : Original index positions */

lib_com/ivas_rom_com.c

+289 −3

Original line number	Diff line number	Diff line
		@@ -4240,7 +4240,13 @@ const float dirac_gains_norm_term[9] =
		{
		1.000000e+00f, 7.071068e-01f, 1.000000e+00f, 4.082483e-01f, 2.041242e-01f, 1.000000e+00f, 2.886751e-01f, 9.128709e-02f, 3.726780e-02f
		};

		#ifdef IVAS_FLOAT_FIXED
		const Word32 dirac_gains_norm_term_int[9] = //Q30
		{
		1073741824, 759250176, 1073741824, 438353280, 219176688, 1073741824, 309962528, 98018768,
		40015996
		};
		#endif
		const float dirac_gains_Pnm[91][9] =
		{
		{-1.000000e+00f,-0.000000e+00f,1.000000e+00f,-0.000000e+00f,0.000000e+00f,-1.000000e+00f,-0.000000e+00f,0.000000e+00f,-0.000000e+00f},
		@@ -4335,7 +4341,102 @@ const float dirac_gains_Pnm[91][9] =
		{-1.745235e-02f,9.998478e-01f,-4.995431e-01f,-5.234908e-02f,2.999086e+00f,2.616524e-02f,-1.497488e+00f,-2.617055e-01f,1.499315e+01f},
		{-4.371139e-08f,1.000000e+00f,-5.000000e-01f,-1.311342e-07f,3.000000e+00f,6.556709e-08f,-1.500000e+00f,-6.556709e-07f,1.500000e+01f}
		};

		#ifdef IVAS_FLOAT_FIXED
		const Word32 dirac_gains_Pnm_int[91][9] = //Q27
		{
		{-134217728, 0, 134217728, 0, 0, -134217728, 0, 0, 0},
		{-134197288, 2342396, 134156400, -7026119, 122639, -134095104, 14049026, -613106, 10701},
		{-134135976, 4684105, 133972536, -14043751, 490416, -133727536, 28061840, -2450586, 85575},
		{-134033784, 7024438, 133666264, -21044428, 1102895, -133115936, 42002312, -5506921, 288606},
		{-133890784, 9362478, 133238096, -28019012, 1959264, -132262040, 55833192, -9772457, 683351},
		{-133706992, 11697809, 132688440, -34959892, 3058584, -131167848, 69520408, -15234719, 1332861},
		{-133482480, 14029564, 132017976, -41858120, 4399464, -129836328, 83027720, -21876818, 2299344},
		{-133217280, 16357047, 131227600, -48705360, 5980272, -128270864, 96320208, -29678480, 3644062},
		{-132911536, 18679510, 130318176, -55493180, 7799064, -126475552, 109363520, -38615824, 5427104},
		{-132565296, 20996256, 129290928, -62213284, 9853607, -124455056, 122123976, -48661468, 7707213},
		{-132178656, 23306694, 128146968, -68857816, 12141505, -122214432, 134569248, -59785232, 10541761},
		{-131751776, 25609964, 126887800, -75418320, 14659851, -119759704, 146666688, -71952528, 13986158},
		{-131284736, 27905410, 125514928, -81886824, 17405570, -117097048, 158385376, -85126080, 18094094},
		{-130777744, 30192412, 124030024, -88255768, 20375446, -114233392, 169695776, -99266128, 22917396},
		{-130230888, 32470208, 122434848, -94517128, 23565774, -111176104, 180568608, -114328832, 28505376},
		{-129644368, 34738112, 120731408, -100663320, 26972664, -107933048, 190976128, -130267952, 34905200},
		{-129018344, 36995424, 118921736, -106686840, 30591964, -104512608, 200891728, -147034448, 42161440},
		{-128353056, 39241452, 117008088, -112580368, 34419264, -100923608, 210290720, -164576576, 50316080},
		{-127648640, 41475572, 114992728, -118336848, 38449984, -97175216, 219149232, -182840512, 59408524},
		{-126905360, 43697012, 112878208, -123949000, 42679048, -93277184, 227444688, -201769248, 69474696},
		{-126123408, 45905176, 110666976, -129410248, 47101484, -89239304, 235156848, -221304640, 80548296},
		{-125303040, 48099312, 108361848, -134713792, 51711740, -85072152, 242266352, -241385344, 92659128},
		{-124444528, 50278820, 105965584, -139853120, 56504308, -80786280, 248755776, -261949392, 105834368},
		{-123548080, 52443040, 103481048, -144822272, 61473384, -76392608, 254609280, -282932704, 120097808},
		{-122614016, 54591264, 100911328, -149614784, 66612780, -71902504, 259812912, -304269024, 135469312},
		{-121642584, 56722880, 98259536, -154225168, 71916384, -67327280, 264354304, -325891904, 151965872},
		{-120634104, 58837188, 95528944, -158647504, 77377552, -62678672, 268222720, -347732352, 169600480},
		{-119588872, 60933588, 92722800, -162876704, 82989840, -57968464, 271409984, -369722464, 188383040},
		{-118507224, 63011412, 89844624, -166907264, 88746208, -53208660, 273908992, -391791360, 208319200},
		{-117389480, 65070028, 86897888, -170734608, 94639696, -48411356, 275714624, -413868832, 229411120},
		{-116235952, 67108864, 83886096, -174353936, 100663296, -43588484, 276824064, -435884832, 251658240},
		{-115047032, 69127240, 80812992, -177760784, 106809472, -38752388, 277236128, -457767936, 275054816},
		{-113823072, 71124576, 77682296, -180951136, 113070880, -33915128, 276951296, -479447744, 299592224},
		{-112564464, 73100224, 74497888, -183920976, 119439696, -29088994, 275972448, -500852768, 325257600},
		{-111271560, 75053584, 71263600, -186666800, 125908272, -24285974, 274304128, -521913568, 352034976},
		{-109944736, 76984136, 67983320, -189185120, 132468856, -19517968, 271952224, -542560640, 379905024},
		{-108584440, 78891192, 64661120, -191472992, 139113184, -14796968, 268925472, -562724864, 408843424},
		{-107191040, 80774240, 61300996, -193527600, 145833472, -10134552, 265233552, -582338944, 438823936},
		{-105765016, 82632672, 57907084, -195346384, 152621264, -5542341, 260888528, -601335936, 469815200},
		{-104306760, 84465968, 54483472, -196927072, 159468512, -1031517, 255903808, -619651456, 501783968},
		{-102816736, 86273488, 51034412, -198267904, 166366624, 3386773, 250294992, -637221056, 534692032},
		{-101295408, 88054736, 47564080, -199367280, 173307296, 7701825, 244078832, -653983232, 568498944},
		{-99743224, 89809192, 44076620, -200223728, 180282192, 11903295, 237274256, -669879040, 603161856},
		{-98160648, 91536272, 40576356, -200836160, 187282720, 15980983, 229901280, -684849728, 638632640},
		{-96548144, 93235488, 37067500, -201203920, 194300432, 19925212, 221981760, -698840192, 674862144},
		{-94906272, 94906272, 33554432, -201326592, 201326592, 23726568, 213539056, -711796992, 711796992},
		{-93235488, 96548144, 30041364, -201203920, 208352752, 27376188, 204597888, -723670016, 749382016},
		{-91536272, 98160648, 26532496, -200836160, 215370464, 30865648, 195183856, -734411520, 787559936},
		{-89809200, 99743208, 23032272, -200223728, 222370864, 34186800, 185324752, -743976000, 826268864},
		{-88054736, 101295408, 19544786, -199367280, 229345888, 37332284, 175048640, -752322176, 865447872},
		{-86273488, 102816736, 16074439, -198268032, 236286560, 40294912, 164385440, -759410496, 905030144},
		{-84465944, 104306784, 12625336, -196927072, 243184800, 43068320, 153365504, -765205632, 944950528},
		{-82632672, 105765016, 9201773, -195346384, 250031920, 45646496, 142020480, -769675200, 985139200},
		{-80774256, 107191032, 5807891, -193527600, 256819584, 48024044, 130382952, -772789696, 1025526400},
		{-78891192, 108584440, 2447739, -191472992, 263540000, 50196224, 118485736, -774524480, 1066041600},
		{-76984120, 109944720, -874438, -189185120, 270184320, 52158672, 106363224, -774856768, 1106610176},
		{-75053584, 111271544, -4154720, -186666800, 276744864, 53907864, 94049432, -773768704, 1147159552},
		{-73100224, 112564464, -7389016, -183920976, 283213504, 55440728, 81579720, -771245696, 1187614080},
		{-71124568, 113823072, -10573435, -180951136, 289582400, 56754824, 68989160, -767276288, 1227898496},
		{-69127232, 115047064, -13704140, -177760784, 295843776, 57848416, 56313356, -761853888, 1267938048},
		{-67108880, 116235952, -16777203, -174353936, 301989888, 58720256, 43588536, -754974720, 1307654528},
		{-65070028, 117389472, -19788994, -170734608, 308013440, 59369844, 30850226, -746639232, 1346972928},
		{-63011400, 118507224, -22735772, -166907264, 313906944, 59797272, 18134762, -736851968, 1385816832},
		{-60933588, 119588872, -25613950, -162876704, 319663424, 60003204, 5477891, -725620736, 1424110464},
		{-58837172, 120634088, -28420080, -158647504, 325275584, 59989016, -7084927, -712957184, 1461778688},
		{-56722868, 121642576, -31150674, -154225168, 330736768, 59756660, -19517928, -698877184, 1498746240},
		{-54591276, 122613992, -33802452, -149614784, 336040384, 59308680, -31786382, -683399744, 1534940800},
		{-52443040, 123548064, -36372160, -144822272, 341179712, 58648260, -43855684, -666547776, 1570288384},
		{-50278848, 124444520, -38856688, -139853264, 346148864, 57779188, -55691916, -648348160, 1604717952},
		{-48099324, 125303040, -41252988, -134713792, 350941376, 56705796, -67261816, -628830848, 1638160896},
		{-45905160, 126123416, -43558124, -129410240, 355551744, 55433036, -78532848, -608029120, 1670546304},
		{-43697012, 126905360, -45769332, -123949000, 359974080, 53966400, -89473440, -585980480, 1701810944},
		{-41475560, 127648632, -47883864, -118336808, 364203168, 52311936, -100052728, -562724992, 1731889152},
		{-39241464, 128353048, -49899212, -112580408, 368233856, 50476188, -110241232, -538305984, 1760719104},
		{-36995424, 129018360, -51812888, -106686856, 372061216, 48466224, -120010336, -512769824, 1788240512},
		{-34738100, 129644368, -53622532, -100663280, 375680512, 46289628, -129332608, -486166400, 1814398208},
		{-32470208, 130230888, -55325984, -94517088, 379087360, 43954400, -138181984, -458547616, 1839134464},
		{-30192412, 130777744, -56921148, -88255752, 382277728, 41469052, -146533552, -429968768, 1862399872},
		{-27905450, 131284752, -58406064, -81886920, 385247552, 38842476, -154363936, -400487584, 1884144384},
		{-25609950, 131751776, -59778952, -75418272, 387993376, 36083912, -161651424, -370163232, 1904324096},
		{-23306666, 132178656, -61038128, -68857760, 390511712, 33203050, -168375472, -339058272, 1922894464},
		{-20996270, 132565280, -62182040, -62213328, 392799456, 30209874, -174517136, -307236864, 1939817984},
		{-18679498, 132911536, -63209344, -55493124, 394854208, 27114732, -180059392, -274765312, 1955057024},
		{-16357021, 133217280, -64118736, -48705292, 396672992, 23928188, -184986656, -241711232, 1968580864},
		{-14029578, 133482472, -64909128, -41858176, 398253664, 20661142, -189285248, -208144320, 1980359808},
		{-11697849, 133706992, -65579560, -34960012, 399594624, 17324636, -192943088, -174134880, 1990369664},
		{-9362556, 133890784, -66129224, -28019252, 400693888, 13929935, -195949824, -139755008, 1998589184},
		{-7024411, 134033784, -66557432, -21044346, 401550304, 10488515, -198297168, -105077560, 2004999424},
		{-4684126, 134135976, -66863648, -14043818, 402162752, 7011926, -199978640, -70176320, 2009588352},
		{-2342414, 134197304, -67047540, -7026174, 402530496, 3511839, -200989440, -35125516, 2012346496},
		{-5, 134217728, -67108864, -17, 402653184, 8, -201326592, -88, 2013265920}
		};
		#endif
		const float dirac_gains_trg_term[181][2] =
		{
		{-1.000000e+00f,8.742278e-08f},
		@@ -4520,7 +4621,192 @@ const float dirac_gains_trg_term[181][2] =
		{9.998477e-01f,-1.745241e-02f},
		{1.000000e+00f,0.000000e+00f}
		};

		#ifdef IVAS_FLOAT_FIXED
		const Word32 dirac_gains_trg_term_int[181][2] = //Q30
		{
		{-1073741824, 93},
		{-1073578304, -18739436},
		{-1073087680, -37473000},
		{-1072270272, -56195404},
		{-1071126272, -74900440},
		{-1069655936, -93582656},
		{-1067859776, -112236624},
		{-1065738240, -130856168},
		{-1063292288, -149436080},
		{-1060522368, -167970160},
		{-1057429248, -186453440},
		{-1054014208, -204879600},
		{-1050278016, -223243376},
		{-1046221952, -241539408},
		{-1041847104, -259761664},
		{-1037154944, -277904896},
		{-1032146880, -295963392},
		{-1026824448, -313931616},
		{-1021189120, -331804480},
		{-1015242880, -349576096},
		{-1008987264, -367241408},
		{-1002424448, -384794592},
		{-995556160, -402230656},
		{-988384640, -419544416},
		{-980912000, -436730112},
		{-973140608, -453782944},
		{-965072832, -470697376},
		{-956710976, -487468704},
		{-948057792, -504091296},
		{-939115840, -520560224},
		{-929887680, -536871040},
		{-920376384, -553017856},
		{-910584576, -568996544},
		{-900515712, -584801664},
		{-890172480, -600428672},
		{-879557888, -615873088},
		{-868675520, -631129536},
		{-857528320, -646194048},
		{-846120128, -661061376},
		{-834454080, -675727744},
		{-822533888, -690187904},
		{-810363392, -704438016},
		{-797945664, -718473536},
		{-785285056, -732290112},
		{-772385152, -745883904},
		{-759250176, -759250176},
		{-745883904, -772385152},
		{-732290112, -785285056},
		{-718473600, -797945664},
		{-704438016, -810363392},
		{-690187904, -822533888},
		{-675727552, -834454144},
		{-661061376, -846120128},
		{-646194048, -857528320},
		{-631129536, -868675392},
		{-615873088, -879557760},
		{-600428672, -890172352},
		{-584801792, -900515712},
		{-568996544, -910584576},
		{-553017856, -920376384},
		{-536871040, -929887680},
		{-520560224, -939115776},
		{-504091296, -948057792},
		{-487468704, -956710976},
		{-470697376, -965072832},
		{-453782944, -973140608},
		{-436730208, -980911936},
		{-419544416, -988384640},
		{-402230784, -995556160},
		{-384794592, -1002424448},
		{-367241280, -1008987264},
		{-349576096, -1015242880},
		{-331804480, -1021189120},
		{-313931712, -1026824384},
		{-295963392, -1032146880},
		{-277904800, -1037154944},
		{-259761664, -1041847104},
		{-241539296, -1046221952},
		{-223243488, -1050278016},
		{-204879600, -1054014208},
		{-186453328, -1057429248},
		{-167970160, -1060522368},
		{-149435984, -1063292288},
		{-130856168, -1065738240},
		{-112236624, -1067859776},
		{-93582792, -1069655936},
		{-74900448, -1071126272},
		{-56195288, -1072270272},
		{-37473008, -1073087680},
		{-18739318, -1073578304},
		{-46, -1073741824},
		{18739350, -1073578304},
		{37473052, -1073087680},
		{56195320, -1072270272},
		{74900480, -1071126272},
		{93582824, -1069655936},
		{112236512, -1067859776},
		{130856168, -1065738240},
		{149435984, -1063292288},
		{167970272, -1060522368},
		{186453328, -1057429248},
		{204879504, -1054014208},
		{223243488, -1050278016},
		{241539296, -1046221952},
		{259761664, -1041847104},
		{277904896, -1037154944},
		{295963392, -1032146880},
		{313931712, -1026824448},
		{331804480, -1021189120},
		{349576096, -1015242880},
		{367241408, -1008987264},
		{384794720, -1002424320},
		{402230784, -995556160},
		{419544320, -988384640},
		{436730112, -980912000},
		{453782848, -973140608},
		{470697504, -965072832},
		{487468576, -956710976},
		{504091296, -948057792},
		{520560352, -939115776},
		{536870912, -929887680},
		{553017920, -920376384},
		{568996544, -910584704},
		{584801664, -900515712},
		{600428800, -890172224},
		{615873088, -879557888},
		{631129536, -868675392},
		{646193920, -857528320},
		{661061504, -846120064},
		{675727616, -834454144},
		{690187904, -822533888},
		{704438016, -810363136},
		{718473536, -797945792},
		{732290176, -785285056},
		{745883776, -772385216},
		{759250176, -759250176},
		{772385216, -745883776},
		{785285056, -732290112},
		{797945664, -718473536},
		{810363264, -704438016},
		{822533888, -690187904},
		{834454144, -675727616},
		{846120128, -661061504},
		{857528320, -646193920},
		{868675392, -631129536},
		{879557888, -615873088},
		{890172352, -600428800},
		{900515712, -584801792},
		{910584704, -568996544},
		{920376384, -553017920},
		{929887680, -536870912},
		{939115776, -520560352},
		{948057792, -504091296},
		{956710976, -487468576},
		{965072832, -470697504},
		{973140608, -453782944},
		{980911936, -436730112},
		{988384640, -419544320},
		{995556160, -402230784},
		{1002424320, -384794592},
		{1008987264, -367241280},
		{1015242880, -349576096},
		{1021189120, -331804480},
		{1026824448, -313931712},
		{1032146880, -295963392},
		{1037154944, -277904800},
		{1041847104, -259761664},
		{1046221952, -241539296},
		{1050278016, -223243488},
		{1054014208, -204879600},
		{1057429248, -186453328},
		{1060522368, -167970272},
		{1063292288, -149435984},
		{1065738240, -130856168},
		{1067859776, -112236624},
		{1069655936, -93582760},
		{1071126272, -74900440},
		{1072270272, -56195308},
		{1073087680, -37473052},
		{1073578304, -18739382},
		{1073741824, 0}
		};
		#endif
		/----------------------------------------------------------------------------------
		* FB ROM tables
		----------------------------------------------------------------------------------/