[FFmpeg-devel] [PATCH] avcodec/wasm/hevc: fix typo in butterfly macro (PR #21096)

[FFmpeg-devel] [PATCH] avcodec/wasm/hevc: fix typo in butterfly macro (PR #21096)

[xiatao via ffmpeg-devel]

PR #21096 opened by xiatao
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21096
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21096.patch

Signed-off-by: Xia Tao <xiatao@gmail.com>

This PR fixes a typo in the wasm HEVC IDCT helper macro name:
- Rename `bufferfly` to `butterfly`

This patch was previously submitted to ffmpeg-devel and this PR is created as requested by the reviewer.

As requested by Zhao Zhili in the review of my mailing list patch, I am submitting this change via a pull request here.


>From 3ae4384673a1a2d4482d959ce3a95167bc2da056 Mon Sep 17 00:00:00 2001
From: Xia Tao <xiatao@gmail.com>
Date: Thu, 4 Dec 2025 11:49:50 +0800
Subject: [PATCH] avcodec/wasm/hevc: fix typo in butterfly macro

Signed-off-by: Xia Tao <xiatao@gmail.com>
---
 libavcodec/wasm/hevc/idct.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavcodec/wasm/hevc/idct.c b/libavcodec/wasm/hevc/idct.c
index 828fc26a49..f2b04f307c 100644
--- a/libavcodec/wasm/hevc/idct.c
+++ b/libavcodec/wasm/hevc/idct.c
@@ -279,7 +279,7 @@ void ff_hevc_idct_8x8_10_simd128(int16_t *coeffs, int col_limit)
     x1 += x2;                                   \
     x3 += x2;                                   \
 
-#define bufferfly(e, o, p, m)   \
+#define butterfly(e, o, p, m)   \
     p = wasm_i32x4_add(e, o);   \
     m = wasm_i32x4_sub(e, o);   \
 
@@ -309,10 +309,10 @@ static void tr16_8x4(v128_t in0, v128_t in1, v128_t in2, v128_t in3,
     v30 = wasm_i32x4_add(v30, wasm_i32x4_extmul_high_i16x8(in3, trans[5]));
     v31 = wasm_i32x4_sub(v31, wasm_i32x4_extmul_high_i16x8(in3, trans[4]));
 
-    bufferfly(v24, v28, v16, v23);
-    bufferfly(v25, v29, v17, v22);
-    bufferfly(v26, v30, v18, v21);
-    bufferfly(v27, v31, v19, v20);
+    butterfly(v24, v28, v16, v23);
+    butterfly(v25, v29, v17, v22);
+    butterfly(v26, v30, v18, v21);
+    butterfly(v27, v31, v19, v20);
 
     sp += offset;
     wasm_v128_store(sp, v16); sp += 16;
-- 
2.49.1

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