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-rw-r--r--sbc/sbc_tables.h250
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
+};
generated by cgit (git 2.34.1) at 2025-10-31 16:50:33 +0000