Mark functions static if they are only used in their own translation unit.

This allows the compiler to perform more optimization on them as it
knows how the functions are being called.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>

4 files changed, 16 insertions, 16 deletions

diff --git a/silk/API.h b/silk/API.h
index c77ad2f5..4b8ca12a 100644
--- a/silk/API.h
+++ b/silk/API.h
@@ -67,14 +67,6 @@ opus_int silk_InitEncoder(                              /* O    Returns error co
     silk_EncControlStruct           *encStatus          /* O    Encoder Status                                  */
 );
 
-/***************************************/
-/* Read control structure from encoder */
-/***************************************/
-opus_int silk_QueryEncoder(                             /* O    Returns error code                              */
-    const void                      *encState,          /* I    State                                           */
-    silk_EncControlStruct           *encStatus          /* O    Encoder Status                                  */
-);
-
 /**************************/
 /* Encode frame with Silk */
 /**************************/
diff --git a/silk/control_codec.c b/silk/control_codec.c
index d0ed528f..ecc338ce 100644
--- a/silk/control_codec.c
+++ b/silk/control_codec.c
@@ -38,18 +38,18 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "tuning_parameters.h"
 #include "pitch_est_defines.h"
 
-opus_int silk_setup_resamplers(
+static opus_int silk_setup_resamplers(
     silk_encoder_state_Fxx          *psEnc,             /* I/O                      */
     opus_int                        fs_kHz              /* I                        */
 );
 
-opus_int silk_setup_fs(
+static opus_int silk_setup_fs(
     silk_encoder_state_Fxx          *psEnc,             /* I/O                      */
     opus_int                        fs_kHz,             /* I                        */
     opus_int                        PacketSize_ms       /* I                        */
 );
 
-opus_int silk_setup_complexity(
+static opus_int silk_setup_complexity(
     silk_encoder_state              *psEncC,            /* I/O                      */
     opus_int                        Complexity          /* I                        */
 );
@@ -131,7 +131,7 @@ opus_int silk_control_encoder(
     return ret;
 }
 
-opus_int silk_setup_resamplers(
+static opus_int silk_setup_resamplers(
     silk_encoder_state_Fxx          *psEnc,             /* I/O                      */
     opus_int                         fs_kHz              /* I                        */
 )
@@ -186,7 +186,7 @@ opus_int silk_setup_resamplers(
     return ret;
 }
 
-opus_int silk_setup_fs(
+static opus_int silk_setup_fs(
     silk_encoder_state_Fxx          *psEnc,             /* I/O                      */
     opus_int                        fs_kHz,             /* I                        */
     opus_int                        PacketSize_ms       /* I                        */
@@ -299,7 +299,7 @@ opus_int silk_setup_fs(
     return ret;
 }
 
-opus_int silk_setup_complexity(
+static opus_int silk_setup_complexity(
     silk_encoder_state              *psEncC,            /* I/O                      */
     opus_int                        Complexity          /* I                        */
 )
diff --git a/silk/enc_API.c b/silk/enc_API.c
index c0143fd5..ec7915ce 100644
--- a/silk/enc_API.c
+++ b/silk/enc_API.c
@@ -40,6 +40,14 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "main_FLP.h"
 #endif
 
+/***************************************/
+/* Read control structure from encoder */
+/***************************************/
+static opus_int silk_QueryEncoder(                      /* O    Returns error code                              */
+    const void                      *encState,          /* I    State                                           */
+    silk_EncControlStruct           *encStatus          /* O    Encoder Status                                  */
+);
+
 /****************************************/
 /* Encoder functions                    */
 /****************************************/
@@ -90,7 +98,7 @@ opus_int silk_InitEncoder(                              /* O    Returns error co
 /***************************************/
 /* Read control structure from encoder */
 /***************************************/
-opus_int silk_QueryEncoder(                             /* O    Returns error code                              */
+static opus_int silk_QueryEncoder(                      /* O    Returns error code                              */
     const void                      *encState,          /* I    State                                           */
     silk_EncControlStruct           *encStatus          /* O    Encoder Status                                  */
 )
diff --git a/silk/float/prefilter_FLP.c b/silk/float/prefilter_FLP.c
index 95b32da5..d6c84398 100644
--- a/silk/float/prefilter_FLP.c
+++ b/silk/float/prefilter_FLP.c
@@ -47,7 +47,7 @@ static inline void silk_prefilt_FLP(
     opus_int                    length              /* I */
 );
 
-void silk_warped_LPC_analysis_filter_FLP(
+static void silk_warped_LPC_analysis_filter_FLP(
           silk_float                 state[],            /* I/O  State [order + 1]                       */
           silk_float                 res[],              /* O    Residual signal [length]                */
     const silk_float                 coef[],             /* I    Coefficients [order]                    */