This actually marks up the buffers as having the state given by the applied trc,
Kevin
On Tue, Sep 1, 2015 at 12:04 PM, Kevin Wheatley
<kevin.j.wheat...@gmail.com> wrote:
> This adds the actual usage and allows for command lines similar to this:
>
> ffmpeg -apply_trc bt709 -i linear.exr bt709.png
> ffmpeg -apply_trc smpte2084 -i linear.exr smpte2084.png
> ffmpeg -apply_trc iec61966_2_1 -i linear.exr sRGB.png
>
>
> Which assuming the correct primaries in the linear OpenEXR file will
> generate the appropriate file.
>
> Kevin
From 0e6bd2437146dafef0e6a89c9db378ba534211bd Mon Sep 17 00:00:00 2001
From: Kevin Wheatley <kevin.j.wheat...@gmail.com>
Date: Tue, 1 Sep 2015 12:35:55 +0100
Subject: [PATCH 7/7] Mark up the decoded buffer as the appropriate transfer characteristic when applying one
---
libavcodec/exr.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 8794da5..92f528a 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -1308,6 +1308,9 @@ static int decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "Missing channel list.\n");
return AVERROR_INVALIDDATA;
}
+
+ if (s->apply_trc_type != AVCOL_TRC_UNSPECIFIED)
+ avctx->color_trc = s->apply_trc_type;
switch (s->compression) {
case EXR_RAW:
--
1.7.1
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