On Tue, Jan 15, 2019 at 01:14:34AM -0300, James Almer wrote:
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
> libavfilter/vf_paletteuse.c | 16 ++++++++++------
> 1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
> index 5966f10685..289c663e8e 100644
> --- a/libavfilter/vf_paletteuse.c
> +++ b/libavfilter/vf_paletteuse.c
> @@ -814,7 +814,7 @@ static void set_processing_window(enum diff_mode
> diff_mode,
> 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;
> @@ -911,11 +911,10 @@ static int apply_palette(AVFilterLink *inlink, AVFrame
> *in, AVFrame **outf)
>
> 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);
> @@ -1086,6 +1085,11 @@ static av_cold int init(AVFilterContext *ctx)
> {
> PaletteUseContext *s = ctx->priv;
>
> + s->last_in = av_frame_alloc();
> + s->last_out = av_frame_alloc();
> + if (!s->last_in || !s->last_out)
> + return AVERROR(ENOMEM);
> +
> s->set_frame = set_frame_lut[s->color_search_method][s->dither];
>
> if (s->dither == DITHERING_BAYER) {LGTM, thanks -- Clément B.
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