>> I bet Michael or me could do this in 15 minutes.
>
> i had almost forgotten it but there is:
> { "src_v_chr_pos", "source vertical chroma position in luma grid/256"
> , OFFSET(src_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,
> 512, VE },
> { "src_h_chr_pos", "source horizontal chroma position in luma
> grid/256", OFFSET(src_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1 },
> -1, 512, VE },
> { "dst_v_chr_pos", "destination vertical chroma position in luma
> grid/256" , OFFSET(dst_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1
> }, -1, 512, VE },
> { "dst_h_chr_pos", "destination horizontal chroma position in luma
> grid/256", OFFSET(dst_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1 },
> -1, 512, VE },
Then i think it would work if you supplied each field with the correct
chroma position data.
I'll need to compare to the interlaced resizer in dirac I guess and
find a suitable sequence.
Kieran.
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