@@ -24,6 +24,7 @@

  */

 #include "libavutil/audioconvert.h"

+#include "libavutil/avstring.h"

 #include "libavutil/bprint.h"

 #include "libavutil/opt.h"

 #include "libswresample/swresample.h" // only for SWR_CH_MAX

@@ -61,8 +62,10 @@ static av_cold void uninit(AVFilterContext *ctx)

     AMergeContext *am = ctx->priv;

     int i;

-    for (i = 0; i < am->nb_inputs; i++)

+    for (i = 0; i < am->nb_inputs; i++) {

         ff_bufqueue_discard_all(&am->in[i].queue);

+        av_freep(&ctx->input_pads[i].name);

+    }

     av_freep(&am->in);

 }

@@ -293,7 +296,6 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

 {

     AMergeContext *am = ctx->priv;

     int ret, i;

-    char name[16];

     am->class = &amerge_class;

     av_opt_set_defaults(am);

@@ -306,13 +308,15 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

     if (!am->in)

         return AVERROR(ENOMEM);

     for (i = 0; i < am->nb_inputs; i++) {

+        char *name = av_asprintf("in%d", i);

+        if (!name)

+            return AVERROR(ENOMEM);

         AVFilterPad pad = {

             .name             = name,

             .type             = AVMEDIA_TYPE_AUDIO,

             .filter_samples   = filter_samples,

             .min_perms        = AV_PERM_READ | AV_PERM_PRESERVE,

         };

-        snprintf(name, sizeof(name), "in%d", i);

         ff_insert_inpad(ctx, i, &pad);

     }

     return 0;