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

  */

 #include "libavutil/avassert.h"

+#include "libavutil/avstring.h"

 #include "libavutil/channel_layout.h"

 #include "libavutil/opt.h"

 #include "avfilter.h"

@@ -344,7 +345,6 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

     ConcatContext *cat = ctx->priv;

     int ret;

     unsigned seg, type, str;

-    char name[32];

     cat->class = &concat_class;

     av_opt_set_defaults(cat);

@@ -365,8 +365,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

                     .get_audio_buffer = get_audio_buffer,

                     .filter_frame     = filter_frame,

                 };

-                snprintf(name, sizeof(name), "in%d:%c%d", seg, "va"[type], str);

-                pad.name = av_strdup(name);

+                pad.name = av_asprintf("in%d:%c%d", seg, "va"[type], str);

                 ff_insert_inpad(ctx, ctx->nb_inputs, &pad);

             }

         }

@@ -379,8 +378,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)

                 .config_props  = config_output,

                 .request_frame = request_frame,

             };

-            snprintf(name, sizeof(name), "out:%c%d", "va"[type], str);

-            pad.name = av_strdup(name);

+            pad.name = av_asprintf("out:%c%d", "va"[type], str);

             ff_insert_outpad(ctx, ctx->nb_outputs, &pad);

         }

     }