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Code Issues Releases Activity

lavfi/vf_libplacebo: fix side data stripping logic

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This was accidentally comparing s->colorspace against out->colorspace,
which is wrong - the intent was to compare in->colorspace against
out->colorspace.

We also forgot to strip mastering metadata. Finally, the order is sort
of wrong - we should strip this side data *before* process_frames,
because otherwise it may end up being seen and used by libplacebo.

Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas Haas 2022-01-10 08:29:17 +01:00 committed by Lynne
parent 479f3c6598
commit ecf09764dc
1 changed files with 12 additions and 9 deletions
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21
libavfilter/vf_libplacebo.c
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@ -390,7 +390,7 @@ fail:
static int filter_frame(AVFilterLink *link, AVFrame *in)
{
int err, changed;
int err, changed_csp;
AVFilterContext *ctx = link->dst;
LibplaceboContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
@ -426,22 +426,25 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
if (s->color_primaries >= 0)
out->color_primaries = s->color_primaries;
RET(process_frames(ctx, out, in));
int changed_csp = s->colorspace != out->colorspace ||
s->color_range != out->color_range ||
s->color_trc != out->color_trc ||
s->color_primaries != out->color_primaries;
changed_csp = in->colorspace != out->colorspace ||
in->color_range != out->color_range ||
in->color_trc != out->color_trc ||
in->color_primaries != out->color_primaries;
/* Strip side data if no longer relevant */
if (changed_csp) {
av_frame_remove_side_data(out, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
av_frame_remove_side_data(out, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
}
if (s->apply_dovi || changed_csp) {
/* Strip side data if no longer relevant */
av_frame_remove_side_data(out, AV_FRAME_DATA_DOVI_RPU_BUFFER);
av_frame_remove_side_data(out, AV_FRAME_DATA_DOVI_METADATA);
}
if (s->apply_filmgrain)
av_frame_remove_side_data(out, AV_FRAME_DATA_FILM_GRAIN_PARAMS);
RET(process_frames(ctx, out, in));
av_frame_free(&in);
return ff_filter_frame(outlink, out);