int width = cur_src->width;
int height = cur_src->height;
- if (prv_src && diff_mode == DIFF_MODE_RECTANGLE) {
+ if (prv_src->data[0] && diff_mode == DIFF_MODE_RECTANGLE) {
int y;
int x_end = cur_src->width - 1,
y_end = cur_src->height - 1;
set_processing_window(s->diff_mode, s->last_in, in,
s->last_out, out, &x, &y, &w, &h);
- av_frame_free(&s->last_in);
- av_frame_free(&s->last_out);
- s->last_in = av_frame_clone(in);
- s->last_out = av_frame_clone(out);
- if (!s->last_in || !s->last_out ||
+ av_frame_unref(s->last_in);
+ av_frame_unref(s->last_out);
+ if (av_frame_ref(s->last_in, in) < 0 ||
+ av_frame_ref(s->last_out, out) < 0 ||
av_frame_make_writable(s->last_in) < 0) {
av_frame_free(&in);
av_frame_free(&out);
{
PaletteUseContext *s = ctx->priv;
+ s->last_in = av_frame_alloc();
+ s->last_out = av_frame_alloc();
+ if (!s->last_in || !s->last_out) {
+ av_frame_free(&s->last_in);
+ av_frame_free(&s->last_out);
+ return AVERROR(ENOMEM);
+ }
+
s->set_frame = set_frame_lut[s->color_search_method][s->dither];
if (s->dither == DITHERING_BAYER) {