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Code Issues Releases Activity

avfilter/vf_paletteuse: don't constantly free and realloc internal frames

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Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2019-01-15 01:14:34 -03:00
parent f60fdbc960
commit af05070ddf
1 changed files with 13 additions and 6 deletions
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19
libavfilter/vf_paletteuse.c
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@@ -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 +1085,14 @@ 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) {
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) {