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authorPaul B Mahol <onemda@gmail.com>2019-02-02 18:52:03 +0100
committerPaul B Mahol <onemda@gmail.com>2019-02-02 18:52:03 +0100
commit9e0e8e10c7b496fdc73d6f2da053313c0f105ae3 (patch)
tree1187107a6b954d9deab9d11abdeac5dbaa34ec77 /libavfilter/vf_mix.c
parent6dc06e979c3867d5805d4e7418d86e25bdd4809f (diff)
downloadffmpeg-9e0e8e10c7b496fdc73d6f2da053313c0f105ae3.tar.gz
avfilter/vf_mix: add timeline support to tmix filter
Diffstat (limited to 'libavfilter/vf_mix.c')
-rw-r--r--libavfilter/vf_mix.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/libavfilter/vf_mix.c b/libavfilter/vf_mix.c
index f84b9bd974..79b3733145 100644
--- a/libavfilter/vf_mix.c
+++ b/libavfilter/vf_mix.c
@@ -348,6 +348,9 @@ static int tmix_filter_frame(AVFilterLink *inlink, AVFrame *in)
ThreadData td;
AVFrame *out;
+ if (s->nb_inputs == 1)
+ return ff_filter_frame(outlink, in);
+
if (s->nb_frames < s->nb_inputs) {
s->frames[s->nb_frames] = in;
s->nb_frames++;
@@ -358,6 +361,13 @@ static int tmix_filter_frame(AVFilterLink *inlink, AVFrame *in)
s->frames[s->nb_inputs - 1] = in;
}
+ if (ctx->is_disabled) {
+ out = av_frame_clone(s->frames[0]);
+ if (!out)
+ return AVERROR(ENOMEM);
+ return ff_filter_frame(outlink, out);
+ }
+
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
@@ -371,7 +381,7 @@ static int tmix_filter_frame(AVFilterLink *inlink, AVFrame *in)
}
static const AVOption tmix_options[] = {
- { "frames", "set number of successive frames to mix", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=3}, 2, 128, .flags = FLAGS },
+ { "frames", "set number of successive frames to mix", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=3}, 1, 128, .flags = FLAGS },
{ "weights", "set weight for each frame", OFFSET(weights_str), AV_OPT_TYPE_STRING, {.str="1 1 1"}, 0, 0, .flags = FLAGS },
{ "scale", "set scale", OFFSET(scale), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, INT16_MAX, .flags = FLAGS },
{ NULL },
@@ -398,7 +408,7 @@ AVFilter ff_vf_tmix = {
.inputs = inputs,
.init = init,
.uninit = uninit,
- .flags = AVFILTER_FLAG_SLICE_THREADS,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
};
#endif /* CONFIG_TMIX_FILTER */