Commit a77727882a for ffmpeg

commit a77727882a20211c59e1029abaa70e5cfacb8ce4
Author: Gyula Sebok <gyula.sbk@gmail.com>
Date:   Fri Oct 23 02:03:13 2026 +0200

    tests/checkasm/llviddsp: Test add_left_pred_int16 with more masks

    Only 0xFF was tested, while the decoders use masks up to 0xFFFF
    (HuffYUV up to 16 bits, UtVideo 10 bits, MagicYUV 10 to 14 bits).
    Test the masks for all bit depths from 8 to 16.

    Signed-off-by: Gyula Sebok <gyula.sbk@gmail.com>

diff --git a/tests/checkasm/llviddsp.c b/tests/checkasm/llviddsp.c
index 17291452fe..4fe4dd679a 100644
--- a/tests/checkasm/llviddsp.c
+++ b/tests/checkasm/llviddsp.c
@@ -131,7 +131,7 @@ static void check_add_left_pred(LLVidDSPContext *c, int width, size_t aligned_wi
     av_free(dst1);
 }

-static void check_add_left_pred_16(LLVidDSPContext *c, unsigned mask, int width,
+static void check_add_left_pred_16(LLVidDSPContext *c, int width,
                                    size_t align, unsigned acc)
 {
     int res0, res1;
@@ -149,11 +149,15 @@ static void check_add_left_pred_16(LLVidDSPContext *c, unsigned mask, int width,
     if (!dst0 || !dst1)
         fail();

-    res0 = call_ref(dst0, src0, mask, width, acc);
-    res1 = call_new(dst1, src1, mask, width, acc);
-    if ((res0 & 0xFFFF) != (res1 & 0xFFFF) || memcmp(dst0, dst1, width * sizeof(*dst0)))
-        fail();
-    bench_new(dst1, src1, mask, width, acc);
+    for (int bits = 8; bits <= 16; bits++) {
+        unsigned mask = (1U << bits) - 1;
+
+        res0 = call_ref(dst0, src0, mask, width, acc & mask);
+        res1 = call_new(dst1, src1, mask, width, acc & mask);
+        if ((res0 & 0xFFFF) != (res1 & 0xFFFF) || memcmp(dst0, dst1, width * sizeof(*dst0)))
+            fail();
+    }
+    bench_new(dst1, src1, 0xFF, width, acc & 0xFF);

     av_free(src0);
     av_free(src1);
@@ -215,7 +219,7 @@ void checkasm_check_llviddsp(void)
     report("add_left_pred_rnd_acc");

     if (check_func(c.add_left_pred_int16, "add_left_pred_int16"))
-        check_add_left_pred_16(&c, 255, width, align, accRnd);
+        check_add_left_pred_16(&c, width, align, rnd());
     report("add_left_pred_int16");

     if (check_func(c.add_gradient_pred, "add_gradient_pred"))