diff options
Diffstat (limited to 'sbc/sbc_tables.h')
-rw-r--r-- | sbc/sbc_tables.h | 250 |
1 files changed, 246 insertions, 4 deletions
diff --git a/sbc/sbc_tables.h b/sbc/sbc_tables.h index f1dfe6c0..a9a995fa 100644 --- a/sbc/sbc_tables.h +++ b/sbc/sbc_tables.h @@ -157,8 +157,9 @@ static const int32_t synmatrix8[16][8] = { */ #define SBC_PROTO_FIXED4_SCALE \ ((sizeof(FIXED_T) * CHAR_BIT - 1) - SBC_FIXED_EXTRA_BITS + 1) -#define F(x) (FIXED_A) ((x * 2) * \ +#define F_PROTO4(x) (FIXED_A) ((x * 2) * \ ((FIXED_A) 1 << (sizeof(FIXED_T) * CHAR_BIT - 1)) + 0.5) +#define F(x) F_PROTO4(x) static const FIXED_T _sbc_proto_fixed4[40] = { F(0.00000000E+00), F(5.36548976E-04), -F(1.49188357E-03), F(2.73370904E-03), @@ -206,8 +207,9 @@ static const FIXED_T _sbc_proto_fixed4[40] = { */ #define SBC_COS_TABLE_FIXED4_SCALE \ ((sizeof(FIXED_T) * CHAR_BIT - 1) + SBC_FIXED_EXTRA_BITS) -#define F(x) (FIXED_A) ((x) * \ +#define F_COS4(x) (FIXED_A) ((x) * \ ((FIXED_A) 1 << (sizeof(FIXED_T) * CHAR_BIT - 1)) + 0.5) +#define F(x) F_COS4(x) static const FIXED_T cos_table_fixed_4[32] = { F(0.7071067812), F(0.9238795325), -F(1.0000000000), F(0.9238795325), F(0.7071067812), F(0.3826834324), F(0.0000000000), F(0.3826834324), @@ -233,8 +235,9 @@ static const FIXED_T cos_table_fixed_4[32] = { */ #define SBC_PROTO_FIXED8_SCALE \ ((sizeof(FIXED_T) * CHAR_BIT - 1) - SBC_FIXED_EXTRA_BITS + 2) -#define F(x) (FIXED_A) ((x * 4) * \ +#define F_PROTO8(x) (FIXED_A) ((x * 4) * \ ((FIXED_A) 1 << (sizeof(FIXED_T) * CHAR_BIT - 1)) + 0.5) +#define F(x) F_PROTO8(x) static const FIXED_T _sbc_proto_fixed8[80] = { F(0.00000000E+00), F(1.56575398E-04), F(3.43256425E-04), F(5.54620202E-04), @@ -301,8 +304,9 @@ static const FIXED_T _sbc_proto_fixed8[80] = { */ #define SBC_COS_TABLE_FIXED8_SCALE \ ((sizeof(FIXED_T) * CHAR_BIT - 1) + SBC_FIXED_EXTRA_BITS) -#define F(x) (FIXED_A) ((x) * \ +#define F_COS8(x) (FIXED_A) ((x) * \ ((FIXED_A) 1 << (sizeof(FIXED_T) * CHAR_BIT - 1)) + 0.5) +#define F(x) F_COS8(x) static const FIXED_T cos_table_fixed_8[128] = { F(0.7071067812), F(0.8314696123), F(0.9238795325), F(0.9807852804), -F(1.0000000000), F(0.9807852804), F(0.9238795325), F(0.8314696123), @@ -345,3 +349,241 @@ static const FIXED_T cos_table_fixed_8[128] = { -F(0.0000000000), -F(0.1950903220), F(0.3826834324), -F(0.5555702330), }; #undef F + +/* + * Constant tables for the use in SIMD optimized analysis filters + * Each table consists of two parts: + * 1. reordered "proto" table + * 2. reordered "cos" table + * + * Due to non-symmetrical reordering, separate tables for "even" + * and "odd" cases are needed + */ + +static const FIXED_T analysis_consts_fixed4_simd_even[40 + 16] = { +#define F(x) F_PROTO4(x) + F(0.00000000E+00), F(3.83720193E-03), + F(5.36548976E-04), F(2.73370904E-03), + F(3.06012286E-03), F(3.89205149E-03), + F(0.00000000E+00), -F(1.49188357E-03), + F(1.09137620E-02), F(2.58767811E-02), + F(2.04385087E-02), F(3.21939290E-02), + F(7.76463494E-02), F(6.13245186E-03), + F(0.00000000E+00), -F(2.88757392E-02), + F(1.35593274E-01), F(2.94315332E-01), + F(1.94987841E-01), F(2.81828203E-01), + -F(1.94987841E-01), F(2.81828203E-01), + F(0.00000000E+00), -F(2.46636662E-01), + -F(1.35593274E-01), F(2.58767811E-02), + -F(7.76463494E-02), F(6.13245186E-03), + -F(2.04385087E-02), F(3.21939290E-02), + F(0.00000000E+00), F(2.88217274E-02), + -F(1.09137620E-02), F(3.83720193E-03), + -F(3.06012286E-03), F(3.89205149E-03), + -F(5.36548976E-04), F(2.73370904E-03), + F(0.00000000E+00), -F(1.86581691E-03), +#undef F +#define F(x) F_COS4(x) + F(0.7071067812), F(0.9238795325), + -F(0.7071067812), F(0.3826834324), + -F(0.7071067812), -F(0.3826834324), + F(0.7071067812), -F(0.9238795325), + F(0.3826834324), -F(1.0000000000), + -F(0.9238795325), -F(1.0000000000), + F(0.9238795325), -F(1.0000000000), + -F(0.3826834324), -F(1.0000000000), +#undef F +}; + +static const FIXED_T analysis_consts_fixed4_simd_odd[40 + 16] = { +#define F(x) F_PROTO4(x) + F(2.73370904E-03), F(5.36548976E-04), + -F(1.49188357E-03), F(0.00000000E+00), + F(3.83720193E-03), F(1.09137620E-02), + F(3.89205149E-03), F(3.06012286E-03), + F(3.21939290E-02), F(2.04385087E-02), + -F(2.88757392E-02), F(0.00000000E+00), + F(2.58767811E-02), F(1.35593274E-01), + F(6.13245186E-03), F(7.76463494E-02), + F(2.81828203E-01), F(1.94987841E-01), + -F(2.46636662E-01), F(0.00000000E+00), + F(2.94315332E-01), -F(1.35593274E-01), + F(2.81828203E-01), -F(1.94987841E-01), + F(6.13245186E-03), -F(7.76463494E-02), + F(2.88217274E-02), F(0.00000000E+00), + F(2.58767811E-02), -F(1.09137620E-02), + F(3.21939290E-02), -F(2.04385087E-02), + F(3.89205149E-03), -F(3.06012286E-03), + -F(1.86581691E-03), F(0.00000000E+00), + F(3.83720193E-03), F(0.00000000E+00), + F(2.73370904E-03), -F(5.36548976E-04), +#undef F +#define F(x) F_COS4(x) + F(0.9238795325), -F(1.0000000000), + F(0.3826834324), -F(1.0000000000), + -F(0.3826834324), -F(1.0000000000), + -F(0.9238795325), -F(1.0000000000), + F(0.7071067812), F(0.3826834324), + -F(0.7071067812), -F(0.9238795325), + -F(0.7071067812), F(0.9238795325), + F(0.7071067812), -F(0.3826834324), +#undef F +}; + +static const FIXED_T analysis_consts_fixed8_simd_even[80 + 64] = { +#define F(x) F_PROTO8(x) + F(0.00000000E+00), F(2.01182542E-03), + F(1.56575398E-04), F(1.78371725E-03), + F(3.43256425E-04), F(1.47640169E-03), + F(5.54620202E-04), F(1.13992507E-03), + -F(8.23919506E-04), F(0.00000000E+00), + F(2.10371989E-03), F(3.49717454E-03), + F(1.99454554E-03), F(1.64973098E-03), + F(1.61656283E-03), F(1.78805361E-04), + F(5.65949473E-03), F(1.29371806E-02), + F(8.02941163E-03), F(1.53184106E-02), + F(1.04584443E-02), F(1.62208471E-02), + F(1.27472335E-02), F(1.59045603E-02), + -F(1.46525263E-02), F(0.00000000E+00), + F(8.85757540E-03), F(5.31873032E-02), + F(2.92408442E-03), F(3.90751381E-02), + -F(4.91578024E-03), F(2.61098752E-02), + F(6.79989431E-02), F(1.46955068E-01), + F(8.29847578E-02), F(1.45389847E-01), + F(9.75753918E-02), F(1.40753505E-01), + F(1.11196689E-01), F(1.33264415E-01), + -F(1.23264548E-01), F(0.00000000E+00), + F(1.45389847E-01), -F(8.29847578E-02), + F(1.40753505E-01), -F(9.75753918E-02), + F(1.33264415E-01), -F(1.11196689E-01), + -F(6.79989431E-02), F(1.29371806E-02), + -F(5.31873032E-02), F(8.85757540E-03), + -F(3.90751381E-02), F(2.92408442E-03), + -F(2.61098752E-02), -F(4.91578024E-03), + F(1.46404076E-02), F(0.00000000E+00), + F(1.53184106E-02), -F(8.02941163E-03), + F(1.62208471E-02), -F(1.04584443E-02), + F(1.59045603E-02), -F(1.27472335E-02), + -F(5.65949473E-03), F(2.01182542E-03), + -F(3.49717454E-03), F(2.10371989E-03), + -F(1.64973098E-03), F(1.99454554E-03), + -F(1.78805361E-04), F(1.61656283E-03), + -F(9.02154502E-04), F(0.00000000E+00), + F(1.78371725E-03), -F(1.56575398E-04), + F(1.47640169E-03), -F(3.43256425E-04), + F(1.13992507E-03), -F(5.54620202E-04), +#undef F +#define F(x) F_COS8(x) + F(0.7071067812), F(0.8314696123), + -F(0.7071067812), -F(0.1950903220), + -F(0.7071067812), -F(0.9807852804), + F(0.7071067812), -F(0.5555702330), + F(0.7071067812), F(0.5555702330), + -F(0.7071067812), F(0.9807852804), + -F(0.7071067812), F(0.1950903220), + F(0.7071067812), -F(0.8314696123), + F(0.9238795325), F(0.9807852804), + F(0.3826834324), F(0.8314696123), + -F(0.3826834324), F(0.5555702330), + -F(0.9238795325), F(0.1950903220), + -F(0.9238795325), -F(0.1950903220), + -F(0.3826834324), -F(0.5555702330), + F(0.3826834324), -F(0.8314696123), + F(0.9238795325), -F(0.9807852804), + -F(1.0000000000), F(0.5555702330), + -F(1.0000000000), -F(0.9807852804), + -F(1.0000000000), F(0.1950903220), + -F(1.0000000000), F(0.8314696123), + -F(1.0000000000), -F(0.8314696123), + -F(1.0000000000), -F(0.1950903220), + -F(1.0000000000), F(0.9807852804), + -F(1.0000000000), -F(0.5555702330), + F(0.3826834324), F(0.1950903220), + -F(0.9238795325), -F(0.5555702330), + F(0.9238795325), F(0.8314696123), + -F(0.3826834324), -F(0.9807852804), + -F(0.3826834324), F(0.9807852804), + F(0.9238795325), -F(0.8314696123), + -F(0.9238795325), F(0.5555702330), + F(0.3826834324), -F(0.1950903220), +#undef F +}; + +static const FIXED_T analysis_consts_fixed8_simd_odd[80 + 64] = { +#define F(x) F_PROTO8(x) + F(0.00000000E+00), -F(8.23919506E-04), + F(1.56575398E-04), F(1.78371725E-03), + F(3.43256425E-04), F(1.47640169E-03), + F(5.54620202E-04), F(1.13992507E-03), + F(2.01182542E-03), F(5.65949473E-03), + F(2.10371989E-03), F(3.49717454E-03), + F(1.99454554E-03), F(1.64973098E-03), + F(1.61656283E-03), F(1.78805361E-04), + F(0.00000000E+00), -F(1.46525263E-02), + F(8.02941163E-03), F(1.53184106E-02), + F(1.04584443E-02), F(1.62208471E-02), + F(1.27472335E-02), F(1.59045603E-02), + F(1.29371806E-02), F(6.79989431E-02), + F(8.85757540E-03), F(5.31873032E-02), + F(2.92408442E-03), F(3.90751381E-02), + -F(4.91578024E-03), F(2.61098752E-02), + F(0.00000000E+00), -F(1.23264548E-01), + F(8.29847578E-02), F(1.45389847E-01), + F(9.75753918E-02), F(1.40753505E-01), + F(1.11196689E-01), F(1.33264415E-01), + F(1.46955068E-01), -F(6.79989431E-02), + F(1.45389847E-01), -F(8.29847578E-02), + F(1.40753505E-01), -F(9.75753918E-02), + F(1.33264415E-01), -F(1.11196689E-01), + F(0.00000000E+00), F(1.46404076E-02), + -F(5.31873032E-02), F(8.85757540E-03), + -F(3.90751381E-02), F(2.92408442E-03), + -F(2.61098752E-02), -F(4.91578024E-03), + F(1.29371806E-02), -F(5.65949473E-03), + F(1.53184106E-02), -F(8.02941163E-03), + F(1.62208471E-02), -F(1.04584443E-02), + F(1.59045603E-02), -F(1.27472335E-02), + F(0.00000000E+00), -F(9.02154502E-04), + -F(3.49717454E-03), F(2.10371989E-03), + -F(1.64973098E-03), F(1.99454554E-03), + -F(1.78805361E-04), F(1.61656283E-03), + F(2.01182542E-03), F(0.00000000E+00), + F(1.78371725E-03), -F(1.56575398E-04), + F(1.47640169E-03), -F(3.43256425E-04), + F(1.13992507E-03), -F(5.54620202E-04), +#undef F +#define F(x) F_COS8(x) + -F(1.0000000000), F(0.8314696123), + -F(1.0000000000), -F(0.1950903220), + -F(1.0000000000), -F(0.9807852804), + -F(1.0000000000), -F(0.5555702330), + -F(1.0000000000), F(0.5555702330), + -F(1.0000000000), F(0.9807852804), + -F(1.0000000000), F(0.1950903220), + -F(1.0000000000), -F(0.8314696123), + F(0.9238795325), F(0.9807852804), + F(0.3826834324), F(0.8314696123), + -F(0.3826834324), F(0.5555702330), + -F(0.9238795325), F(0.1950903220), + -F(0.9238795325), -F(0.1950903220), + -F(0.3826834324), -F(0.5555702330), + F(0.3826834324), -F(0.8314696123), + F(0.9238795325), -F(0.9807852804), + F(0.7071067812), F(0.5555702330), + -F(0.7071067812), -F(0.9807852804), + -F(0.7071067812), F(0.1950903220), + F(0.7071067812), F(0.8314696123), + F(0.7071067812), -F(0.8314696123), + -F(0.7071067812), -F(0.1950903220), + -F(0.7071067812), F(0.9807852804), + F(0.7071067812), -F(0.5555702330), + F(0.3826834324), F(0.1950903220), + -F(0.9238795325), -F(0.5555702330), + F(0.9238795325), F(0.8314696123), + -F(0.3826834324), -F(0.9807852804), + -F(0.3826834324), F(0.9807852804), + F(0.9238795325), -F(0.8314696123), + -F(0.9238795325), F(0.5555702330), + F(0.3826834324), -F(0.1950903220), +#undef F +}; 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