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authorPaul B Mahol <onemda@gmail.com>2020-02-08 14:28:01 +0100
committerPaul B Mahol <onemda@gmail.com>2020-02-08 14:28:01 +0100
commitcbd5a4536c0339fa3bdafa63e253d70bebb5e64a (patch)
tree280790ba479fddff4bd32a9541fd33abee94f825 /libavfilter
parenta8d82cc2b849aa867bd030a07aa7abf3e9cd0349 (diff)
avfilter/vf_alphamerge: add timeline support
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/vf_alphamerge.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/libavfilter/vf_alphamerge.c b/libavfilter/vf_alphamerge.c
index eb5a4d6e78..72b93c780f 100644
--- a/libavfilter/vf_alphamerge.c
+++ b/libavfilter/vf_alphamerge.c
@@ -26,6 +26,7 @@
#include <string.h>
#include "libavutil/imgutils.h"
+#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "avfilter.h"
#include "drawutils.h"
@@ -154,7 +155,8 @@ static int activate(AVFilterContext *ctx)
}
if (s->main_frame && s->alpha_frame) {
- draw_frame(ctx, s->main_frame, s->alpha_frame);
+ if (!ctx->is_disabled)
+ draw_frame(ctx, s->main_frame, s->alpha_frame);
ret = ff_filter_frame(outlink, s->main_frame);
av_frame_free(&s->alpha_frame);
s->main_frame = NULL;
@@ -203,13 +205,21 @@ static const AVFilterPad alphamerge_outputs[] = {
{ NULL }
};
+static const AVOption alphamerge_options[] = {
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(alphamerge);
+
AVFilter ff_vf_alphamerge = {
.name = "alphamerge",
.description = NULL_IF_CONFIG_SMALL("Copy the luma value of the second "
"input into the alpha channel of the first input."),
.priv_size = sizeof(AlphaMergeContext),
+ .priv_class = &alphamerge_class,
.query_formats = query_formats,
.inputs = alphamerge_inputs,
.outputs = alphamerge_outputs,
.activate = activate,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
};