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From: toqsxw@gmail.com
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To: ffmpeg-devel@ffmpeg.org
Date: Wed, 2 Apr 2025 01:16:15 +0800
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Subject: [FFmpeg-devel] [PATCH v1 18/19] avcodec/vvc/sei: add
decode_ambient_viewing_environment
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From: Wu Jianhua <toqsxw@outlook.com>
Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
---
libavcodec/vvc/sei.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/libavcodec/vvc/sei.c b/libavcodec/vvc/sei.c
index a029306abd..7763dd401c 100644
--- a/libavcodec/vvc/sei.c
+++ b/libavcodec/vvc/sei.c
@@ -148,6 +148,16 @@ static int decode_frame_field_info(H274SEIFrameFieldInfo *h, const SEIRawFrameFi
return 0;
}
+static int decode_ambient_viewing_environment(H2645SEIAmbientViewingEnvironment *h, const SEIRawAmbientViewingEnvironment *s)
+{
+ h->present = 1;
+ h->ambient_illuminance = s->ambient_illuminance;
+ h->ambient_light_x = s->ambient_light_x;
+ h->ambient_light_y = s->ambient_light_y;
+
+ return 0;
+}
+
int ff_vvc_sei_decode(VVCSEI *s, const H266RawSEI *sei, const struct VVCFrameContext *fc)
{
H2645SEI *c = &s->common;
@@ -179,6 +189,9 @@ int ff_vvc_sei_decode(VVCSEI *s, const H266RawSEI *sei, const struct VVCFrameCon
case SEI_TYPE_FRAME_FIELD_INFO:
return decode_frame_field_info(&s->frame_field_info, payload);
+ case SEI_TYPE_AMBIENT_VIEWING_ENVIRONMENT:
+ return decode_ambient_viewing_environment(&s->common.ambient_viewing_environment, payload);
+
default:
av_log(fc->log_ctx, AV_LOG_DEBUG, "Skipped %s SEI %d\n",
sei->nal_unit_header.nal_unit_type == VVC_PREFIX_SEI_NUT ?
--
2.44.0.windows.1
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