diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
index 01ec0f9867..6dee0417e5 100644
--- a/libpostproc/postprocess.c
+++ b/libpostproc/postprocess.c
@@ -209,13 +209,13 @@ static inline int isHorizDC_C(const uint8_t src[], int stride, const PPContext *
     const int dcThreshold= dcOffset*2 + 1;
 
     for(y=0; y<BLOCK_SIZE; y++){
-        if(((unsigned)(src[0] - src[1] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[1] - src[2] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[2] - src[3] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[3] - src[4] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[4] - src[5] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[5] - src[6] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[6] - src[7] + dcOffset)) < dcThreshold) numEq++;
+        numEq += ((unsigned)(src[0] - src[1] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[1] - src[2] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[2] - src[3] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[3] - src[4] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[4] - src[5] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[5] - src[6] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[6] - src[7] + dcOffset)) < dcThreshold;
         src+= stride;
     }
     return numEq > c->ppMode.flatnessThreshold;
@@ -233,14 +233,14 @@ static inline int isVertDC_C(const uint8_t src[], int stride, const PPContext *c
 
     src+= stride*4; // src points to begin of the 8x8 Block
     for(y=0; y<BLOCK_SIZE-1; y++){
-        if(((unsigned)(src[0] - src[0+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[1] - src[1+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[2] - src[2+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[3] - src[3+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[4] - src[4+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[5] - src[5+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[6] - src[6+stride] + dcOffset)) < dcThreshold) numEq++;
-        if(((unsigned)(src[7] - src[7+stride] + dcOffset)) < dcThreshold) numEq++;
+        numEq += ((unsigned)(src[0] - src[0+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[1] - src[1+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[2] - src[2+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[3] - src[3+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[4] - src[4+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[5] - src[5+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[6] - src[6+stride] + dcOffset)) < dcThreshold;
+        numEq += ((unsigned)(src[7] - src[7+stride] + dcOffset)) < dcThreshold;
         src+= stride;
     }
     return numEq > c->ppMode.flatnessThreshold;
@@ -278,10 +278,7 @@ static inline int isVertMinMaxOk_C(const uint8_t src[], int stride, int QP)
 static inline int horizClassify_C(const uint8_t src[], int stride, const PPContext *c)
 {
     if( isHorizDC_C(src, stride, c) ){
-        if( isHorizMinMaxOk_C(src, stride, c->QP) )
-            return 1;
-        else
-            return 0;
+        return isHorizMinMaxOk_C(src, stride, c->QP);
     }else{
         return 2;
     }
@@ -290,10 +287,7 @@ static inline int horizClassify_C(const uint8_t src[], int stride, const PPConte
 static inline int vertClassify_C(const uint8_t src[], int stride, const PPContext *c)
 {
     if( isVertDC_C(src, stride, c) ){
-        if( isVertMinMaxOk_C(src, stride, c->QP) )
-            return 1;
-        else
-            return 0;
+        return isVertMinMaxOk_C(src, stride, c->QP);
     }else{
         return 2;
     }
@@ -704,21 +698,22 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
     av_log(NULL, AV_LOG_DEBUG, "pp: %s\n", name);
 
     for(;;){
-        char *filterName;
+        const char *filterName;
         int q= 1000000; //PP_QUALITY_MAX;
         int chrom=-1;
         int luma=-1;
-        char *option;
-        char *options[OPTIONS_ARRAY_SIZE];
+        const char *option;
+        const char *options[OPTIONS_ARRAY_SIZE];
         int i;
         int filterNameOk=0;
         int numOfUnknownOptions=0;
         int enable=1; //does the user want us to enabled or disabled the filter
+        char *tokstate;
 
-        filterToken= strtok(p, filterDelimiters);
+        filterToken= av_strtok(p, filterDelimiters, &tokstate);
         if(!filterToken) break;
         p+= strlen(filterToken) + 1; // p points to next filterToken
-        filterName= strtok(filterToken, optionDelimiters);
+        filterName= av_strtok(filterToken, optionDelimiters, &tokstate);
         if (!filterName) {
             ppMode->error++;
             break;
@@ -731,7 +726,7 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
         }
 
         for(;;){ //for all options
-            option= strtok(NULL, optionDelimiters);
+            option= av_strtok(NULL, optionDelimiters, &tokstate);
             if(!option) break;
 
             av_log(NULL, AV_LOG_DEBUG, "pp: option: %s\n", option);
diff --git a/tests/fate/filter-video.mak b/tests/fate/filter-video.mak
index 9239b379dd..c49cf00388 100644
--- a/tests/fate/filter-video.mak
+++ b/tests/fate/filter-video.mak
@@ -229,6 +229,9 @@ fate-filter-pad: CMD = video_filter "pad=iw*1.5:ih*1.5:iw*0.3:ih*0.2"
 FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp
 fate-filter-pp: CMD = video_filter "pp=be/hb/vb/tn/l5/al"
 
+FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp1
+fate-filter-pp1: CMD = video_filter "pp=fq|4/be/hb/vb/tn/l5/al"
+
 FATE_FILTER_VSYNTH-$(CONFIG_PP_FILTER) += fate-filter-pp2
 fate-filter-pp2: CMD = video_filter "pp=be/fq|16/h1/v1/lb"
 
diff --git a/tests/ref/fate/filter-pp1 b/tests/ref/fate/filter-pp1
new file mode 100644
index 0000000000..b129ea39ee
--- /dev/null
+++ b/tests/ref/fate/filter-pp1
@@ -0,0 +1 @@
+pp1                 cb9f884e27a5be11f72afc9b517efd10