On Thu, 11 Apr 2024, 16:42 James Almer, <jamr...@gmail.com> wrote:
> Some interlaced h264 samples may export one caption per field.
>
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
> libavutil/frame.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavutil/frame.c b/libavutil/frame.c
> index 0775e2abd9..fdac6f8ee2 100644
> --- a/libavutil/frame.c
> +++ b/libavutil/frame.c
> @@ -30,7 +30,6 @@
>
> static const AVSideDataDescriptor sd_props[] = {
> [AV_FRAME_DATA_PANSCAN] = { "AVPanScan" },
> - [AV_FRAME_DATA_A53_CC] = { "ATSC A53 Part 4
> Closed Captions" },
> [AV_FRAME_DATA_MATRIXENCODING] = { "AVMatrixEncoding" },
> [AV_FRAME_DATA_DOWNMIX_INFO] = { "Metadata relevant to
> a downmix procedure" },
> [AV_FRAME_DATA_AFD] = { "Active format
> description" },
> @@ -55,6 +54,7 @@ static const AVSideDataDescriptor sd_props[] = {
> [AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT] = { "Ambient viewing
> environment", AV_SIDE_DATA_PROP_GLOBAL },
> [AV_FRAME_DATA_SPHERICAL] = { "Spherical Mapping",
> AV_SIDE_DATA_PROP_GLOBAL },
> [AV_FRAME_DATA_ICC_PROFILE] = { "ICC profile",
> AV_SIDE_DATA_PROP_GLOBAL },
> + [AV_FRAME_DATA_A53_CC] = { "ATSC A53 Part 4
> Closed Captions", AV_SIDE_DATA_PROP_MULTI },
> [AV_FRAME_DATA_SEI_UNREGISTERED] = { "H.26[45] User Data
> Unregistered SEI message", AV_SIDE_DATA_PROP_MULTI },
> };
>
> --
> 2.44.0
>
But we merge the captions into a single side data element, no?
Kieran
>
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