[FFmpeg-devel] [PATCH] avfilter/graphparser: fix filter instance name when an id is provided

[James Almer]

On 3/2/2023 10:02 AM, James Almer wrote:
> Restores the behavior of naming the instance filter at id, which was accidentally changed
> to simpy id in commit f17051eaae.
> 
> Fixes ticket #10226.
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>   libavfilter/graphparser.c | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c
> index 8e12416ccb..4347131fad 100644
> --- a/libavfilter/graphparser.c
> +++ b/libavfilter/graphparser.c
> @@ -532,8 +532,7 @@ int avfilter_graph_segment_create_filters(AVFilterGraphSegment *seg, int flags)
>           for (size_t j = 0; j < ch->nb_filters; j++) {
>               AVFilterParams *p = ch->filters[j];
>               const AVFilter *f = avfilter_get_by_name(p->filter_name);
> -            char inst_name[30], *name = p->instance_name ? p->instance_name :
> -                                                           inst_name;
> +            char name[64];
>   
>               // skip already processed filters
>               if (p->filter || !p->filter_name)
> @@ -546,7 +545,9 @@ int avfilter_graph_segment_create_filters(AVFilterGraphSegment *seg, int flags)
>               }
>   
>               if (!p->instance_name)
> -                snprintf(inst_name, sizeof(inst_name), "Parsed_%s_%zu", f->name, idx);
> +                snprintf(name, sizeof(name), "Parsed_%s_%zu", f->name, idx);
> +            else
> +                snprintf(name, sizeof(name), "%s@%s", f->name, p->instance_name);
>   
>               p->filter = avfilter_graph_alloc_filter(seg->graph, f, name);
>               if (!p->filter)

Will apply.