Moving PicoTts plugin under the pico directory of external/svox

1 files changed, 112 insertions, 0 deletions

diff --git a/pico/lib/picodsp.h b/pico/lib/picodsp.h
new file mode 100644
index 0000000..67457f8
--- /dev/null
+++ b/pico/lib/picodsp.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2008-2009 SVOX AG, Baslerstr. 30, 8048 Zuerich, Switzerland
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * @file picodsp.h
+ *
+ * Include file for DSP related data types and constants in Pico
+ *
+ * Copyright (C) 2008-2009 SVOX AG, Baslerstr. 30, 8048 Zuerich, Switzerland
+ * All rights reserved.
+ *
+ * History:
+ * - 2009-04-20 -- initial version
+ *
+ */
+
+#ifndef PICODSP_H_
+#define PICODSP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if 0
+}
+#endif
+
+/*----------------------------CONSTANTS ----------------------*/
+/*Normalization factors used at the start and at the end of the sig*/
+#define PICODSP_START_FLOAT_NORM      0.41f
+#define PICODSP_ENVSPEC_K1            0.5f
+#define PICODSP_ENVSPEC_K2            2
+#define PICODSP_GETEXC_K1             1024
+#define PICODSP_FIXRESP_NORM          4096.0f
+#define PICODSP_END_FLOAT_NORM        1.5f*16.0f
+#define PICODSP_FIX_SCALE1            0x4000000
+#define PICODSP_FIX_SCALE2            0x4000
+#define PICODSP_SHIFT_FACT1           10
+#define PICODSP_SHIFT_FACT2           16
+#define PICODSP_SHIFT_FACT3           12
+#define PICODSP_SHIFT_FACT4           1
+#define PICODSP_SHIFT_FACT5           18
+#define PICODSP_SHIFT_FACT6           9
+#define PICOSIG_NORM1                 9.14f /100.0f /*normalization factor*/
+#define PICOSIG_MAXAMP                (32767)
+#define PICOSIG_MINAMP                (-32768)
+#define PICODSP_M_PI        3.14159265358979323846
+#define PICODSP_MAX_EX      32
+#define PICODSP_WGT_SHIFT  (0x20000000)
+#define PICODSP_N_RAND_TABLE (760)
+#define PICODSP_COS_TABLE_LEN (512)
+#define PICODSP_COS_TABLE_LEN2 (1024)
+#define PICODSP_COS_TABLE_LEN4 (2048)
+#define PICODSP_PI_SHIFT (4)            /* -log2(PICODSP_COS_TABLE_LEN2/0x4000) */
+
+#define PICODSP_V_CUTOFF_FREQ  4500
+#define PICODSP_UV_CUTOFF_FREQ 300
+#define PICODSP_SAMP_FREQ      16000
+#define PICODSP_FREQ_WARP_FACT 0.42f
+
+/*----------------------------CEP/PHASE CONSTANTS----------------------------*/
+#define PICODSP_CEPORDER    25
+#define PICODSP_PHASEORDER  72
+#define CEPST_BUFF_SIZE     3
+#define PHASE_BUFF_SIZE     5
+/*----------------------------FFT CONSTANTS----------------------------*/
+#define PICODSP_FFTSIZE     (256)
+
+#define PICODSP_H_FFTSIZE   (PICODSP_FFTSIZE/2)
+
+#define PICODSP_DISPLACE    PICODSP_FFTSIZE/4
+
+#define PICODSP_H_FFTSIZE   (PICODSP_FFTSIZE/2)
+#define PICODSP_HFFTSIZE_P1 (PICODSP_H_FFTSIZE+1)
+
+#define FAST_DEVICE(aCount, aAction) \
+{ \
+    int count_ = (aCount); \
+    int times_ = (count_ + 7) >> 3; \
+    switch (count_ & 7){ \
+        case 0: do { aAction; \
+        case 7: aAction; \
+        case 6: aAction; \
+        case 5: aAction; \
+        case 4: aAction; \
+        case 3: aAction; \
+        case 2: aAction; \
+        case 1: aAction; \
+    } while (--times_ > 0); \
+} \
+}
+/*------------------------------------------------------------------------------------------
+ Fast Exp Approximation now remapped to a function in picoos
+ -----------------------------------------------------------------------------------------*/
+#define EXP(y) picoos_quick_exp(y)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*PICODSP_H_*/