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lavfi/vf_alphamerge: switch to query_func2()

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Simplify the implementation by using the fact that ff_set_common_*()
will ignore those links on which the formats have already been set.
This commit is contained in:
Anton Khirnov 2024-10-04 10:09:29 +02:00
parent a2881814b8
commit 7ab1ddbaf3
1 changed files with 13 additions and 8 deletions
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21
libavfilter/vf_alphamerge.c
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@ -96,7 +96,9 @@ static av_cold int init(AVFilterContext *ctx)
return 0;
}
static int query_formats(AVFilterContext *ctx)
static int query_formats(const AVFilterContext *ctx,
AVFilterFormatsConfig **cfg_in,
AVFilterFormatsConfig **cfg_out)
{
static const enum AVPixelFormat main_fmts[] = {
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
@ -105,15 +107,18 @@ static int query_formats(AVFilterContext *ctx)
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat alpha_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
AVFilterFormats *main_formats = ff_make_format_list(main_fmts);
int ret;
if ((ret = ff_formats_ref(main_formats, &ctx->inputs[0]->outcfg.formats)) < 0 ||
(ret = ff_formats_ref(main_formats, &ctx->outputs[0]->incfg.formats)) < 0)
return ret;
ret = ff_formats_ref(ff_make_format_list(alpha_fmts),
&cfg_in[1]->formats);
if (ret < 0)
return ret;
return ff_formats_ref(ff_make_format_list(alpha_fmts),
&ctx->inputs[1]->outcfg.formats);
ret = ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, main_fmts);
if (ret < 0)
return ret;
return 0;
}
static int config_input_main(AVFilterLink *inlink)
@ -203,7 +208,7 @@ const AVFilter ff_vf_alphamerge = {
.init = init,
FILTER_INPUTS(alphamerge_inputs),
FILTER_OUTPUTS(alphamerge_outputs),
FILTER_QUERY_FUNC(query_formats),
FILTER_QUERY_FUNC2(query_formats),
.uninit = uninit,
.activate = activate,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,