On 8/10/2019 11:58 AM, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> show real information instead of the unknown side data type message for HDR10
> stream
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavfilter/vf_showinfo.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
> index 9fa322e..94d17bf 100644
> --- a/libavfilter/vf_showinfo.c
> +++ b/libavfilter/vf_showinfo.c
> @@ -160,6 +160,20 @@ static void dump_mastering_display(AVFilterContext *ctx,
> AVFrameSideData *sd)
> av_q2d(mastering_display->min_luminance),
> av_q2d(mastering_display->max_luminance));
> }
>
> +static void dump_content_light_metadata(AVFilterContext *ctx,
> AVFrameSideData *sd)
> +{
> + AVContentLightMetadata* metadata = (AVContentLightMetadata*)sd->data;
> +
> + if (sd->size < sizeof(*metadata)) {
sizeof(AVContentLightMetadata) is not part of the ABI, so just remove
this check.
> + av_log(ctx, AV_LOG_ERROR, "invalid data");
> + return;
> + }
> +
> + av_log(ctx, AV_LOG_INFO, "Content Light Level information: "
> + "MaxCLL=%d, MaxFALL=%d",
> + metadata->MaxCLL, metadata->MaxFALL);
> +}
> +
> static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
> {
> const char *color_range_str =
> av_color_range_name(frame->color_range);
> @@ -301,6 +315,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
> *frame)
> case AV_FRAME_DATA_MASTERING_DISPLAY_METADATA:
> dump_mastering_display(ctx, sd);
> break;
> + case AV_FRAME_DATA_CONTENT_LIGHT_LEVEL:
> + dump_content_light_metadata(ctx, sd);
> + break;
> default:
> av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d
> bytes)",
> sd->type, sd->size);
>
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