diff --git a/libavfilter/vf_lcevc.c b/libavfilter/vf_lcevc.c
index 575bbd75fa..c6719ef2a0 100644
--- a/libavfilter/vf_lcevc.c
+++ b/libavfilter/vf_lcevc.c
@@ -148,6 +148,13 @@ static int send_frame(AVFilterLink *inlink, AVFrame *in)
         }
     }
 
+    res = LCEVC_SetPictureUserData(lcevc->decoder, picture, in);
+    if (res != LCEVC_Success) {
+        av_log(ctx, AV_LOG_ERROR, "LCEVC_SetPictureUserData failed\n");
+        LCEVC_FreePicture(lcevc->decoder, picture);
+        return AVERROR_EXTERNAL;
+    }
+
     res = LCEVC_SendDecoderBase(lcevc->decoder, in->pts, picture, -1, in);
     if (res != LCEVC_Success) {
         av_log(ctx, AV_LOG_ERROR, "LCEVC_SendDecoderBase failed\n");
@@ -215,8 +222,6 @@ static int generate_output(AVFilterLink *inlink, AVFrame *out)
     av_frame_copy_props(out, (AVFrame *)info.baseUserData);
     av_frame_remove_side_data(out, AV_FRAME_DATA_LCEVC);
 
-    av_frame_free((AVFrame **)&info.baseUserData);
-
     res = LCEVC_GetPictureDesc(lcevc->decoder, picture, &desc);
     LCEVC_FreePicture(lcevc->decoder, picture);
 
@@ -284,8 +289,12 @@ static void flush_bases(AVFilterContext *ctx)
     LCEVCContext *lcevc = ctx->priv;
     LCEVC_PictureHandle picture;
 
-    while (LCEVC_ReceiveDecoderBase(lcevc->decoder, &picture) == LCEVC_Success)
+    while (LCEVC_ReceiveDecoderBase(lcevc->decoder, &picture) == LCEVC_Success) {
+        AVFrame *base = NULL;
+        LCEVC_GetPictureUserData(lcevc->decoder, picture, (void **)&base);
         LCEVC_FreePicture(lcevc->decoder, picture);
+        av_frame_free(&base);
+    }
 }
 
 static int activate(AVFilterContext *ctx)
@@ -399,6 +408,8 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     LCEVCContext *lcevc = ctx->priv;
 
+    LCEVC_FlushDecoder(lcevc->decoder);
+    flush_bases(ctx);
     LCEVC_DestroyDecoder(lcevc->decoder);
 }