[FFmpeg-devel] [PATCH v1 3/3] avfilter/vf_show: display QP table data and properties side data

[Limin Wang]

On Sat, Aug 24, 2019 at 06:27:13PM +0200, Paul B Mahol wrote:
> The API is deprecated, do not use it.
> 
Yes, I have notice it's deprecated so I make it two patch. However
there're three place to create the side data anyway, so I add 
FF_API_FRAME_QP to mark it's deprecated and haven't do more information dump. 
If the side data type will be removed soon, then ignore the patch for
qp table..

> On Sat, Aug 24, 2019 at 6:25 PM <lance.lmwang at gmail.com> wrote:
> 
> > From: Limin Wang <lance.lmwang at gmail.com>
> >
> > Below is the final displaying format for the QP table data and properties,
> > timecode:
> > [Parsed_showinfo_0 @ 0x364fdc0]   side data - pan/scan
> > [Parsed_showinfo_0 @ 0x364fdc0]   side data - QP table data (1350 bytes)
> > [Parsed_showinfo_0 @ 0x364fdc0]   side data - QP table properties (8 bytes)
> > [Parsed_showinfo_0 @ 0x364fdc0]   side data - GOP start timecode -
> > 00:00:00:00
> >
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> >  libavfilter/vf_showinfo.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
> > index 31f6b32..5d38783 100644
> > --- a/libavfilter/vf_showinfo.c
> > +++ b/libavfilter/vf_showinfo.c
> > @@ -319,6 +319,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
> > *frame)
> >              av_log(ctx, AV_LOG_INFO, "GOP timecode - %s", tcbuf);
> >              break;
> >          }
> > +#if FF_API_FRAME_QP
> > +        case AV_FRAME_DATA_QP_TABLE_PROPERTIES:
> > +            av_log(ctx, AV_LOG_INFO, "QP table properties (%d bytes)",
> > sd->size);
> > +            break;
> > +        case AV_FRAME_DATA_QP_TABLE_DATA:
> > +            av_log(ctx, AV_LOG_INFO, "QP table data (%d bytes)",
> > sd->size);
> > +            break;
> > +#endif
> >          default:
> >              av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d
> > bytes)",
> >                     sd->type, sd->size);
> > --
> > 2.9.5
> >
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