diff --git a/tests/lavfi-regression.sh b/tests/lavfi-regression.sh
index e1666c263c..5def09c2c9 100755
--- a/tests/lavfi-regression.sh
+++ b/tests/lavfi-regression.sh
@@ -50,9 +50,9 @@ do_lavfi_pixfmts(){
 
     # exclude pixel formats which are not supported as input
     $ffmpeg -pix_fmts list 2>/dev/null | sed -ne '9,$p' | grep '^\..\.' | cut -d' ' -f2 | sort >$exclude_fmts
-    $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ fmt=substr($3, 5); print fmt }' | sort | comm -23 - $exclude_fmts >$out_fmts
+    $showfiltfmts scale | awk -F '[ \r]' '/^OUTPUT/{ print $3 }' | sort | comm -23 - $exclude_fmts >$out_fmts
 
-    pix_fmts=$($showfiltfmts $filter $filter_args | awk -F '[ \r]' '/^INPUT/{ fmt=substr($3, 5); print fmt }' | sort | comm -12 - $out_fmts)
+    pix_fmts=$($showfiltfmts $filter $filter_args | awk -F '[ \r]' '/^INPUT/{ print $3 }' | sort | comm -12 - $out_fmts)
     for pix_fmt in $pix_fmts; do
         do_video_filter $pix_fmt "slicify=random,format=$pix_fmt,$filter=$filter_args" -pix_fmt $pix_fmt
     done
diff --git a/tools/lavfi-showfiltfmts.c b/tools/lavfi-showfiltfmts.c
index a4541bac82..cc19e00a8c 100644
--- a/tools/lavfi-showfiltfmts.c
+++ b/tools/lavfi-showfiltfmts.c
@@ -20,61 +20,15 @@
 
 #include "libavformat/avformat.h"
 #include "libavutil/pixdesc.h"
-#include "libavutil/samplefmt.h"
 #include "libavfilter/avfilter.h"
 
-static void print_formats(AVFilterContext *filter_ctx)
-{
-    int i, j;
-
-#define PRINT_FMTS(inout, outin, INOUT)                                 \
-    for (i = 0; i < filter_ctx->input_count; i++) {                     \
-        if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_VIDEO) {   \
-            AVFilterFormats *fmts =                                     \
-                filter_ctx->inout##puts[i]->outin##_formats;            \
-            for (j = 0; j < fmts->format_count; j++)                    \
-                printf(#INOUT "PUT[%d] %s: fmt:%s\n",                   \
-                       i, filter_ctx->filter->inout##puts[i].name,      \
-                       av_get_pix_fmt_name(fmts->formats[j]));          \
-        } else if (filter_ctx->inout##puts[i]->type == AVMEDIA_TYPE_AUDIO) { \
-            AVFilterFormats *fmts;                                      \
-                                                                        \
-            fmts = filter_ctx->inout##puts[i]->outin##_formats;         \
-            for (j = 0; j < fmts->format_count; j++)                    \
-                printf(#INOUT "PUT[%d] %s: fmt:%s\n",                   \
-                       i, filter_ctx->filter->inout##puts[i].name,      \
-                       av_get_sample_fmt_name(fmts->formats[j]));       \
-                                                                        \
-            fmts = filter_ctx->inout##puts[i]->outin##_chlayouts;       \
-            for (j = 0; j < fmts->format_count; j++) {                  \
-                char buf[256];                                          \
-                av_get_channel_layout_string(buf, sizeof(buf), -1,      \
-                                             fmts->formats[j]);         \
-                printf(#INOUT "PUT[%d] %s: chlayout:%s\n",              \
-                       i, filter_ctx->filter->inout##puts[i].name, buf); \
-            }                                                           \
-                                                                        \
-            fmts = filter_ctx->inout##puts[i]->outin##_packing;         \
-            for (j = 0; j < fmts->format_count; j++) {                  \
-                printf(#INOUT "PUT[%d] %s: packing:%s\n",               \
-                       i, filter_ctx->filter->inout##puts[i].name,      \
-                       fmts->formats[j] == AVFILTER_PACKED ?            \
-                                           "packed" : "planar");        \
-            }                                                           \
-        }                                                               \
-    }                                                                   \
-
-    PRINT_FMTS(in,  out, IN);
-    PRINT_FMTS(out, in,  OUT);
-}
-
 int main(int argc, char **argv)
 {
     AVFilter *filter;
     AVFilterContext *filter_ctx;
     const char *filter_name;
     const char *filter_args = NULL;
-    int i;
+    int i, j;
 
     av_log_set_level(AV_LOG_DEBUG);
 
@@ -121,7 +75,23 @@ int main(int argc, char **argv)
     else
         avfilter_default_query_formats(filter_ctx);
 
-    print_formats(filter_ctx);
+    /* print the supported formats in input */
+    for (i = 0; i < filter_ctx->input_count; i++) {
+        AVFilterFormats *fmts = filter_ctx->inputs[i]->out_formats;
+        for (j = 0; j < fmts->format_count; j++)
+            printf("INPUT[%d] %s: %s\n",
+                   i, filter_ctx->filter->inputs[i].name,
+                   av_get_pix_fmt_name(fmts->formats[j]));
+    }
+
+    /* print the supported formats in output */
+    for (i = 0; i < filter_ctx->output_count; i++) {
+        AVFilterFormats *fmts = filter_ctx->outputs[i]->in_formats;
+        for (j = 0; j < fmts->format_count; j++)
+            printf("OUTPUT[%d] %s: %s\n",
+                   i, filter_ctx->filter->outputs[i].name,
+                   av_get_pix_fmt_name(fmts->formats[j]));
+    }
 
     avfilter_free(filter_ctx);
     fflush(stdout);