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| author | Niklas Haas <git@haasn.dev> | 2024-05-03 22:07:30 +0200 |
|---|---|---|
| committer | Niklas Haas <git@haasn.dev> | 2024-05-04 13:07:27 +0200 |
| commit | 6a5b021e353655ddeb1a29f50e519f562dcae5a7 (patch) | |
| tree | 8658906f3ebe9617c8952e3839089d2f46363ba1 | |
| parent | 38f67a32b3831c8dd0b34db888c16d4a7af9091c (diff) | |
| download | ffmpeg-6a5b021e353655ddeb1a29f50e519f562dcae5a7.tar.gz | |
avfilter/vf_scale: fix input declaration
This filter needs to be marked as having only one input by default, with
AVFILTER_FLAG_DYNAMIC_INPUTS allowing the extra input to be added at
init() time.
Fixes: bb8044581366fe286e16b14515d873979133dbda
| -rw-r--r-- | libavfilter/vf_scale.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index bc53571c1c..60d301dcd8 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -442,8 +442,15 @@ static av_cold int init(AVFilterContext *ctx) if (!threads) av_opt_set_int(scale->sws_opts, "threads", ff_filter_get_nb_threads(ctx), 0); - if (ctx->filter != &ff_vf_scale2ref) - ctx->nb_inputs = scale->uses_ref ? 2 : 1; + if (ctx->filter != &ff_vf_scale2ref && scale->uses_ref) { + AVFilterPad pad = { + .name = "ref", + .type = AVMEDIA_TYPE_VIDEO, + }; + ret = ff_append_inpad(ctx, &pad); + if (ret < 0) + return ret; + } return 0; } @@ -1234,9 +1241,6 @@ static const AVFilterPad avfilter_vf_scale_inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, - }, { - .name = "ref", - .type = AVMEDIA_TYPE_VIDEO, }, }; @@ -1261,6 +1265,7 @@ const AVFilter ff_vf_scale = { FILTER_QUERY_FUNC(query_formats), .activate = activate, .process_command = process_command, + .flags = AVFILTER_FLAG_DYNAMIC_INPUTS, }; static const AVFilterPad avfilter_vf_scale2ref_inputs[] = { |