By default the OpenEXR decoder outputs linear light pixel data by
applying a gamma=1.0 transfer (i.e. a no-op). When it does so, it
should tag the data as linear so color-managed filters or other tools
can work with it correctly.
Signed-off-by: Leo Izen <leo.i...@gmail.com>
---
libavcodec/exr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index fae1d08ab0..518066facf 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -2088,6 +2088,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame
*picture,
if (s->apply_trc_type != AVCOL_TRC_UNSPECIFIED)
avctx->color_trc = s->apply_trc_type;
+ else if (s->gamma > 0.9999f && s->gamma < 1.0001f)
+ avctx->color_trc = AVCOL_TRC_LINEAR;
switch (s->compression) {
case EXR_RAW:
--
2.41.0
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