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avfilter/vf_mix: add timeline support to tmix filter

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This commit is contained in:
Paul B Mahol 2019-02-02 18:52:03 +01:00
parent 6dc06e979c
commit 9e0e8e10c7
1 changed files with 12 additions and 2 deletions
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14
libavfilter/vf_mix.c
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@ -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 */