@@ -64,7 +64,8 @@ typedef struct VectorscopeContext {

     int flags;

     int colorspace;

     int cs;

-    uint8_t peak[4096][4096];

+    uint8_t *peak_memory;

+    uint8_t **peak;

     void (*vectorscope)(struct VectorscopeContext *s,

                         AVFrame *in, AVFrame *out, int pd);

@@ -252,10 +253,23 @@ static int query_formats(AVFilterContext *ctx)

 static int config_output(AVFilterLink *outlink)

 {

     VectorscopeContext *s = outlink->src->priv;

+    int i;

     s->intensity = s->fintensity * (s->size - 1);

     outlink->h = outlink->w = s->size;

     outlink->sample_aspect_ratio = (AVRational){1,1};

+

+    s->peak_memory = av_calloc(s->size, s->size);

+    if (!s->peak_memory)

+        return AVERROR(ENOMEM);

+

+    s->peak = av_calloc(s->size, sizeof(*s->peak));

+    if (!s->peak)

+        return AVERROR(ENOMEM);

+

+    for (i = 0; i < s->size; i++)

+        s->peak[i] = s->peak_memory + s->size * i;

+

     return 0;

 }

@@ -1298,6 +1312,14 @@ static int config_input(AVFilterLink *inlink)

     return 0;

 }

+static av_cold void uninit(AVFilterContext *ctx)

+{

+    VectorscopeContext *s = ctx->priv;

+

+    av_freep(&s->peak);

+    av_freep(&s->peak_memory);

+}

+

 static const AVFilterPad inputs[] = {

     {

         .name         = "default",

@@ -1323,6 +1345,7 @@ AVFilter ff_vf_vectorscope = {

     .priv_size     = sizeof(VectorscopeContext),

     .priv_class    = &vectorscope_class,

     .query_formats = query_formats,

+    .uninit        = uninit,

     .inputs        = inputs,

     .outputs       = outputs,

 };