[FFmpeg-devel] [PATCH] swscale/format: add missing fmt_shift for gray12/12 msb formats (PR #20849)

[FFmpeg-devel] [PATCH] swscale/format: add missing fmt_shift for gray12/12 msb formats (PR #20849)

[Niklas Haas via ffmpeg-devel]

PR #20849 opened by Niklas Haas (haasn)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20849
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20849.patch

The MSB YUV formats were added, but the gray formats were not. Seems to have
been an oversight.

Fixes: a5be0ecbfdab24632a10c8a6714844530f76d368


>From c9710dae3c6151a22f0fff60f0a9b4514f6a3b97 Mon Sep 17 00:00:00 2001
From: Niklas Haas <git@haasn.dev>
Date: Thu, 6 Nov 2025 15:56:24 +0100
Subject: [PATCH] swscale/format: add missing fmt_shift for gray12/12 msb
 formats

The MSB YUV formats were added, but the gray formats were not. Seems to have
been an oversight.

Fixes: a5be0ecbfdab24632a10c8a6714844530f76d368
---
 libswscale/format.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libswscale/format.c b/libswscale/format.c
index e4b9b264e5..c4c4142fc6 100644
--- a/libswscale/format.c
+++ b/libswscale/format.c
@@ -757,6 +757,8 @@ static int fmt_shift(enum AVPixelFormat fmt)
     case AV_PIX_FMT_YUV444P10MSBLE:
     case AV_PIX_FMT_GBRP10MSBBE:
     case AV_PIX_FMT_GBRP10MSBLE:
+    case AV_PIX_FMT_GRAY10MSBBE:
+    case AV_PIX_FMT_GRAY10MSBLE:
         return 6;
     case AV_PIX_FMT_P012BE:
     case AV_PIX_FMT_P012LE:
@@ -776,6 +778,8 @@ static int fmt_shift(enum AVPixelFormat fmt)
     case AV_PIX_FMT_YUV444P12MSBLE:
     case AV_PIX_FMT_GBRP12MSBBE:
     case AV_PIX_FMT_GBRP12MSBLE:
+    case AV_PIX_FMT_GRAY12MSBBE:
+    case AV_PIX_FMT_GRAY12MSBLE:
         return 4;
     }
 
-- 
2.49.1

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