Removed all the silk_ prefixes in source file names (not symbols)

1 files changed, 233 insertions, 0 deletions

diff --git a/silk/define.h b/silk/define.h
new file mode 100644
index 00000000..dcfeb1d3
--- /dev/null
+++ b/silk/define.h
@@ -0,0 +1,233 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SILK_DEFINE_H
+#define SILK_DEFINE_H
+
+#include "errors.h"
+#include "typedef.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Max number of encoder channels (1/2) */
+#define ENCODER_NUM_CHANNELS                    2
+/* Number of decoder channels (1/2) */
+#define DECODER_NUM_CHANNELS                    2
+
+#define MAX_FRAMES_PER_PACKET                   3
+
+/* Limits on bitrate */
+#define MIN_TARGET_RATE_BPS                     5000
+#define MAX_TARGET_RATE_BPS                     80000
+#define TARGET_RATE_TAB_SZ                      8
+
+/* LBRR thresholds */
+#define LBRR_NB_MIN_RATE_BPS                    12000
+#define LBRR_MB_MIN_RATE_BPS                    14000
+#define LBRR_WB_MIN_RATE_BPS                    16000
+
+/* DTX settings */
+#define NB_SPEECH_FRAMES_BEFORE_DTX             10      /* eq 200 ms */
+#define MAX_CONSECUTIVE_DTX                     20      /* eq 400 ms */
+
+/* Maximum sampling frequency, should be 16 for embedded */
+#define MAX_FS_KHZ                              16
+#define MAX_API_FS_KHZ                          48
+
+/* Signal types */
+#define TYPE_NO_VOICE_ACTIVITY                  0
+#define TYPE_UNVOICED                           1
+#define TYPE_VOICED                             2
+
+/* Settings for stereo processing */
+#define STEREO_QUANT_TAB_SIZE                   16
+#define STEREO_QUANT_SUB_STEPS                  5
+#define STEREO_INTERP_LEN_MS                    8           /* must be even */
+#define STEREO_RATIO_SMOOTH_COEF                0.01        /* smoothing coef for signal norms and stereo width */
+
+/* Range of pitch lag estimates */
+#define PITCH_EST_MIN_LAG_MS                    2           /* 2 ms -> 500 Hz */
+#define PITCH_EST_MAX_LAG_MS                    18          /* 18 ms -> 56 Hz */
+
+/* Maximum number of subframes */
+#define MAX_NB_SUBFR                            4
+
+/* Number of samples per frame */
+#define LTP_MEM_LENGTH_MS                       20
+#define SUB_FRAME_LENGTH_MS                     5
+#define MAX_SUB_FRAME_LENGTH                    ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ )
+#define MAX_FRAME_LENGTH_MS                     ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR )
+#define MAX_FRAME_LENGTH                        ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ )
+
+/* Milliseconds of lookahead for pitch analysis */
+#define LA_PITCH_MS                             2
+#define LA_PITCH_MAX                            ( LA_PITCH_MS * MAX_FS_KHZ )
+
+/* Order of LPC used in find pitch */
+#define MAX_FIND_PITCH_LPC_ORDER                16
+
+/* Length of LPC window used in find pitch */
+#define FIND_PITCH_LPC_WIN_MS                   ( 20 + (LA_PITCH_MS << 1) )
+#define FIND_PITCH_LPC_WIN_MS_2_SF              ( 10 + (LA_PITCH_MS << 1) )
+#define FIND_PITCH_LPC_WIN_MAX                  ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ )
+
+/* Milliseconds of lookahead for noise shape analysis */
+#define LA_SHAPE_MS                             5
+#define LA_SHAPE_MAX                            ( LA_SHAPE_MS * MAX_FS_KHZ )
+
+/* Maximum length of LPC window used in noise shape analysis */
+#define SHAPE_LPC_WIN_MAX                       ( 15 * MAX_FS_KHZ )
+
+/* dB level of lowest gain quantization level */
+#define MIN_QGAIN_DB                            2
+/* dB level of highest gain quantization level */
+#define MAX_QGAIN_DB                            88
+/* Number of gain quantization levels */
+#define N_LEVELS_QGAIN                          64
+/* Max increase in gain quantization index */
+#define MAX_DELTA_GAIN_QUANT                    36
+/* Max decrease in gain quantization index */
+#define MIN_DELTA_GAIN_QUANT                    -4
+
+/* Quantization offsets (multiples of 4) */
+#define OFFSET_VL_Q10                           32
+#define OFFSET_VH_Q10                           100
+#define OFFSET_UVL_Q10                          100
+#define OFFSET_UVH_Q10                          240
+
+#define QUANT_LEVEL_ADJUST_Q10                  80
+
+/* Maximum numbers of iterations used to stabilize a LPC vector */
+#define MAX_LPC_STABILIZE_ITERATIONS            20
+
+#define MAX_LPC_ORDER                           16
+#define MIN_LPC_ORDER                           10
+
+/* Find Pred Coef defines */
+#define LTP_ORDER                               5
+
+/* LTP quantization settings */
+#define NB_LTP_CBKS                             3
+
+/* Flag to use harmonic noise shaping */
+#define USE_HARM_SHAPING                        1
+
+/* Max LPC order of noise shaping filters */
+#define MAX_SHAPE_LPC_ORDER                     16
+
+#define HARM_SHAPE_FIR_TAPS                     3
+
+/* Maximum number of delayed decision states */
+#define MAX_DEL_DEC_STATES                      4
+
+#define LTP_BUF_LENGTH                          512
+#define LTP_MASK                                ( LTP_BUF_LENGTH - 1 )
+
+#define DECISION_DELAY                          32
+#define DECISION_DELAY_MASK                     ( DECISION_DELAY - 1 )
+
+/* Number of subframes for excitation entropy coding */
+#define SHELL_CODEC_FRAME_LENGTH                16
+#define LOG2_SHELL_CODEC_FRAME_LENGTH           4
+#define MAX_NB_SHELL_BLOCKS                     ( MAX_FRAME_LENGTH / SHELL_CODEC_FRAME_LENGTH )
+
+/* Number of rate levels, for entropy coding of excitation */
+#define N_RATE_LEVELS                           10
+
+/* Maximum sum of pulses per shell coding frame */
+#define MAX_PULSES                              16
+
+#define MAX_MATRIX_SIZE                         MAX_LPC_ORDER /* Max of LPC Order and LTP order */
+
+#if( MAX_LPC_ORDER > DECISION_DELAY )
+# define NSQ_LPC_BUF_LENGTH                     MAX_LPC_ORDER
+#else
+# define NSQ_LPC_BUF_LENGTH                     DECISION_DELAY
+#endif
+
+/***********************/
+/* High pass filtering */
+/***********************/
+#define HIGH_PASS_INPUT                         1
+
+/***************************/
+/* Voice activity detector */
+/***************************/
+#define VAD_N_BANDS                             4
+
+#define VAD_INTERNAL_SUBFRAMES_LOG2             2
+#define VAD_INTERNAL_SUBFRAMES                  (1 << VAD_INTERNAL_SUBFRAMES_LOG2)
+
+#define VAD_NOISE_LEVEL_SMOOTH_COEF_Q16         1024    /* Must be <  4096                                  */
+#define VAD_NOISE_LEVELS_BIAS                   50
+
+/* Sigmoid settings */
+#define VAD_NEGATIVE_OFFSET_Q5                  128     /* sigmoid is 0 at -128                             */
+#define VAD_SNR_FACTOR_Q16                      45000
+
+/* smoothing for SNR measurement */
+#define VAD_SNR_SMOOTH_COEF_Q18                 4096
+
+/* Size of the piecewise linear cosine approximation table for the LSFs */
+#define LSF_COS_TAB_SZ_FIX                      128
+
+/******************/
+/* NLSF quantizer */
+/******************/
+#define NLSF_W_Q                                2
+#define NLSF_VQ_MAX_VECTORS                     32
+#define NLSF_VQ_MAX_SURVIVORS                   32
+#define NLSF_QUANT_MAX_AMPLITUDE                4
+#define NLSF_QUANT_MAX_AMPLITUDE_EXT            10
+#define NLSF_QUANT_LEVEL_ADJ                    0.1
+#define NLSF_QUANT_DEL_DEC_STATES_LOG2          2
+#define NLSF_QUANT_DEL_DEC_STATES               ( 1 << NLSF_QUANT_DEL_DEC_STATES_LOG2 )
+
+/* Transition filtering for mode switching */
+#  define TRANSITION_TIME_MS                    5120 /* 5120 = 64 * FRAME_LENGTH_MS * ( TRANSITION_INT_NUM - 1 ) = 64*(20*4)*/
+#  define TRANSITION_NB                         3 /* Hardcoded in tables */
+#  define TRANSITION_NA                         2 /* Hardcoded in tables */
+#  define TRANSITION_INT_NUM                    5 /* Hardcoded in tables */
+#  define TRANSITION_FRAMES                     ( TRANSITION_TIME_MS / MAX_FRAME_LENGTH_MS ) /* todo: needs to be made flexible for 10 ms frames*/
+#  define TRANSITION_INT_STEPS                  ( TRANSITION_FRAMES  / ( TRANSITION_INT_NUM - 1 ) )
+
+/* BWE factors to apply after packet loss */
+#define BWE_AFTER_LOSS_Q16                      63570
+
+/* Defines for CN generation */
+#define CNG_BUF_MASK_MAX                        255             /* 2^floor(log2(MAX_FRAME_LENGTH))-1    */
+#define CNG_GAIN_SMTH_Q16                       4634            /* 0.25^(1/4)                           */
+#define CNG_NLSF_SMTH_Q16                       16348           /* 0.25                                 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif