From 157f586e5cd3bf0bc083f02c9f8e16740bb5ceba Mon Sep 17 00:00:00 2001
From: Niklas Haas <git@haasn.dev>
Date: Thu, 30 Apr 2026 17:26:35 +0200
Subject: [PATCH] swscale/uops: thread SwsContext through
 ff_sws_ops_translate()

Needed to access ctx->flags, in particular SWS_BITEXACT.

Signed-off-by: Niklas Haas <git@haasn.dev>
---
 libswscale/tests/sws_ops.c |  2 +-
 libswscale/uops.c          | 11 ++++++-----
 libswscale/uops.h          |  5 +++--
 libswscale/uops_backend.c  |  2 +-
 4 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/libswscale/tests/sws_ops.c b/libswscale/tests/sws_ops.c
index 6b5ad486b9..fdd618775a 100644
--- a/libswscale/tests/sws_ops.c
+++ b/libswscale/tests/sws_ops.c
@@ -43,7 +43,7 @@ static int print_ops(SwsContext *ctx, SwsOpList *ops, SwsCompiledOp *out)
     if (!uops)
         return AVERROR(ENOMEM);
 
-    int ret = ff_sws_ops_translate(ops, 0, uops);
+    int ret = ff_sws_ops_translate(ctx, ops, 0, uops);
     if (ret == AVERROR(ENOTSUP)) {
         av_log(NULL, AV_LOG_INFO, " Retrying with split passes:\n");
         goto fail;
diff --git a/libswscale/uops.c b/libswscale/uops.c
index 4a3d264c14..e09f3cbe03 100644
--- a/libswscale/uops.c
+++ b/libswscale/uops.c
@@ -540,8 +540,8 @@ static bool is_expand_bit(SwsPixelType type, AVRational factor)
     return false;
 }
 
-static int translate_op(SwsUOpList *uops, SwsUOpFlags flags, const SwsOp *op,
-                        const SwsComps *input)
+static int translate_op(SwsContext *ctx, SwsUOpList *uops, SwsUOpFlags flags,
+                        const SwsOp *op, const SwsComps *input)
 {
     switch (op->op) {
     case SWS_OP_FILTER_H:
@@ -641,11 +641,12 @@ static int translate_op(SwsUOpList *uops, SwsUOpFlags flags, const SwsOp *op,
     return ff_sws_uop_list_append(uops, &uop);
 }
 
-int ff_sws_ops_translate(const SwsOpList *ops, SwsUOpFlags flags, SwsUOpList *uops)
+int ff_sws_ops_translate(SwsContext *ctx, const SwsOpList *ops,
+                         SwsUOpFlags flags, SwsUOpList *uops)
 {
     SwsComps input = ops->comps_src;
     for (int i = 0; i < ops->num_ops; i++) {
-        int ret = translate_op(uops, flags, &ops->ops[i], &input);
+        int ret = translate_op(ctx, uops, flags, &ops->ops[i], &input);
         if (ret < 0)
             return ret;
         input = ops->ops[i].comps;
@@ -680,7 +681,7 @@ static int register_flags(SwsContext *ctx, SwsOpList *ops, SwsUOpFlags flags)
     if (!uops)
         return AVERROR(ENOMEM);
 
-    int ret = ff_sws_ops_translate(ops, flags, uops);
+    int ret = ff_sws_ops_translate(ctx, ops, flags, uops);
     if (ret < 0)
         goto fail;
 
diff --git a/libswscale/uops.h b/libswscale/uops.h
index 21bb8cb2e2..01197fd09f 100644
--- a/libswscale/uops.h
+++ b/libswscale/uops.h
@@ -31,6 +31,7 @@
 
 #include "libavutil/attributes.h"
 
+typedef struct SwsContext       SwsContext;
 typedef struct SwsFilterWeights SwsFilterWeights;
 typedef struct SwsOpList        SwsOpList;
 
@@ -225,8 +226,8 @@ int ff_sws_uop_list_append(SwsUOpList *uops, SwsUOp *uop);
  *
  * Return 0 or a negative error code.
  */
-int ff_sws_ops_translate(const SwsOpList *ops, SwsUOpFlags flags,
-                         SwsUOpList *uops);
+int ff_sws_ops_translate(SwsContext *ctx, const SwsOpList *ops,
+                         SwsUOpFlags flags, SwsUOpList *uops);
 
 /**
  * Generate a set of boilerplate C preprocessor macros for describing and
diff --git a/libswscale/uops_backend.c b/libswscale/uops_backend.c
index 87b50453d1..46e429cc5b 100644
--- a/libswscale/uops_backend.c
+++ b/libswscale/uops_backend.c
@@ -149,7 +149,7 @@ static int compile(SwsContext *ctx, SwsOpList *ops, SwsCompiledOp *out)
         goto fail;
     }
 
-    ret = ff_sws_ops_translate(ops, 0, uops);
+    ret = ff_sws_ops_translate(ctx, ops, 0, uops);
     if (ret < 0)
         goto fail;