PR #20338 opened by ronag
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20338
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20338.patch
>From 4109166438de3072f3a6a098c221e27c282ffee1 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ron...@icloud.com>
Date: Mon, 25 Aug 2025 21:15:40 +0200
Subject: [PATCH 1/2] libavcodec/options_table: gamma22 and gamma28 aliases
---
libavcodec/options_table.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 25da169343..32d0466432 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -289,7 +289,9 @@ static const AVOption avcodec_options[] = {
{"bt709", "BT.709", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_BT709 }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"unknown", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"gamma22", "BT.470 M", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_GAMMA22 }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
+{"bt470m", "BT.470 M", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_GAMMA22 }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"gamma28", "BT.470 BG", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_GAMMA28 }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
+{"bt470bg", "BT.470 BG", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_GAMMA28 }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"smpte170m", "SMPTE 170 M", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_SMPTE170M }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"smpte240m", "SMPTE 240 M", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_SMPTE240M }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
{"linear", "Linear", 0, AV_OPT_TYPE_CONST, {.i64 =
AVCOL_TRC_LINEAR }, INT_MIN, INT_MAX, V|E|D, .unit = "color_trc_type"},
--
2.49.1
>From 96f245aa6503e1a73446e2bfae54e5dc7f61ca5f Mon Sep 17 00:00:00 2001
From: Robert Nagy <ron...@icloud.com>
Date: Mon, 25 Aug 2025 21:15:51 +0200
Subject: [PATCH 2/2] libavfilter/libplacebo: gamma22 and gamma28 aliases
---
libavfilter/vf_libplacebo.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
index c35473a44c..3fe8a4e0b2 100644
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -1577,7 +1577,9 @@ static const AVOption libplacebo_options[] = {
{"auto", "keep the same color transfer", 0, AV_OPT_TYPE_CONST, {.i64=-1},
INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"bt709", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_BT709}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"unknown", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_UNSPECIFIED}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
+ {"gamma22", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_GAMMA22}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"bt470m", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_GAMMA22}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
+ {"gamma28", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_GAMMA28}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"bt470bg", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_GAMMA28}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"smpte170m", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_SMPTE170M}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
{"smpte240m", NULL, 0, AV_OPT_TYPE_CONST,
{.i64=AVCOL_TRC_SMPTE240M}, INT_MIN, INT_MAX, STATIC, .unit = "color_trc"},
--
2.49.1
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