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swscale/uops: add extra convenience metadata for the backends

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Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas Haas
2026-06-12 12:12:52 +02:00
committed by Niklas Haas
parent 2dbcec5222
commit 670324675f
2 changed files with 18 additions and 1 deletions
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14
libswscale/uops.c
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@@ -330,6 +330,13 @@ static int translate_rw_op(SwsContext *ctx, SwsUOpList *ops, SwsUOpFlags flags,
uop.uop = is_read ? SWS_UOP_READ_PLANAR : SWS_UOP_WRITE_PLANAR;
}
const int planes = ff_sws_rw_op_planes(op);
if (op->op == SWS_OP_READ) {
ops->planes_in |= SWS_COMP_ELEMS(planes);
} else {
ops->planes_out |= SWS_COMP_ELEMS(planes);
}
return ff_sws_uop_list_append(ops, &uop);
}
@@ -687,7 +694,12 @@ int ff_sws_ops_translate(SwsContext *ctx, const SwsOpList *ops,
{
SwsComps input = ops->comps_src;
for (int i = 0; i < ops->num_ops; i++) {
int ret = translate_op(ctx, uops, flags, &ops->ops[i], &input);
const SwsOp *op = &ops->ops[i];
const int pixel_size = ff_sws_pixel_type_size(op->type);
if (pixel_size > uops->pixel_size_max)
uops->pixel_size_max = pixel_size;
int ret = translate_op(ctx, uops, flags, op, &input);
if (ret < 0)
return ret;
input = ops->ops[i].comps;

5
libswscale/uops.h
View File

@@ -255,6 +255,11 @@ void ff_sws_uop_name(const SwsUOp *op, char buf[SWS_UOP_NAME_MAX]);
typedef struct SwsUOpList {
SwsUOp *ops;
int num_ops;
/* Additional metadata for implementations */
SwsCompMask planes_in; /* mask of planes read from */
SwsCompMask planes_out; /* mask of planes written to */
int pixel_size_max; /* size of largest pixel type seen in any uop */
} SwsUOpList;
SwsUOpList *ff_sws_uop_list_alloc(void);