PR #20880 opened by cgutman
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20880
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20880.patch

Adds a few missing `V4L2_XFER_FUNC_` -> `AVCOL_TRC_` mappings.


>From 0135c65a0b026d271fba073382fd6a4f83968cb1 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <[email protected]>
Date: Sun, 9 Nov 2025 22:25:29 -0600
Subject: [PATCH] avcodec/v4l2_buffers: map additional V4L2 TRCs

Signed-off-by: Cameron Gutman <[email protected]>
---
 libavcodec/v4l2_buffers.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c
index d869ce9e77..077c1ee944 100644
--- a/libavcodec/v4l2_buffers.c
+++ b/libavcodec/v4l2_buffers.c
@@ -190,6 +190,9 @@ static enum AVColorTransferCharacteristic 
v4l2_get_color_trc(V4L2Buffer *buf)
     switch (xfer) {
     case V4L2_XFER_FUNC_709: return AVCOL_TRC_BT709;
     case V4L2_XFER_FUNC_SRGB: return AVCOL_TRC_IEC61966_2_1;
+    case V4L2_XFER_FUNC_SMPTE240M: return AVCOL_TRC_SMPTE240M;
+    case V4L2_XFER_FUNC_NONE: return AVCOL_TRC_LINEAR;
+    case V4L2_XFER_FUNC_SMPTE2084: return AVCOL_TRC_SMPTE2084;
     default:
         break;
     }
-- 
2.49.1

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