[FFmpeg-devel] [PATCH v13 2/3] avfilter/vf_showinfo: display H.26[45] user data unregistered sei message

Moritz Barsnick barsnick at gmx.net
Fri Jun 26 12:55:33 EEST 2020


On Fri, Jun 26, 2020 at 17:31:36 +0800, lance.lmwang at gmail.com wrote:
> On Fri, Jun 26, 2020 at 11:15:15AM +0200, Moritz Barsnick wrote:
> > On Fri, Jun 12, 2020 at 07:54:28 +0800, lance.lmwang at gmail.com wrote:
> > > +    if (sd->size < uuid_size) {
> > > +        av_log(ctx, AV_LOG_ERROR, "invalid data(%d < UUID(%d-bytes))", sd->size, uuid_size);
> >
> > ... \n
>
> it didn't added \n, for \n will be added after the switch.

Um. Well, sorry for underquoting (did you check your code or patch, not
just my quote?):

> +static void dump_sei_unregistered_metadata(AVFilterContext *ctx, AVFrameSideData *sd)
> +{
> +    const int uuid_size = 16;
> +    uint8_t *user_data = sd->data;
> +    int i;
> +
> +    if (sd->size < uuid_size) {
> +        av_log(ctx, AV_LOG_ERROR, "invalid data(%d < UUID(%d-bytes))", sd->size, uuid_size);
> +        return;
> +    }

You return immediately, nothing will be added.

Moritz


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