[FFmpeg-cvslog] avcodec/vvc/sei: add decode_ambient_viewing_environment

[Wu Jianhua]

ffmpeg | branch: master | Wu Jianhua <toqsxw at outlook.com> | Sun Apr 27 19:44:49 2025 +0800| [f6d2f385306a935a44512d4c200c8bc73498dfc1] | committer: Nuo Mi

avcodec/vvc/sei: add decode_ambient_viewing_environment

Signed-off-by: Wu Jianhua <toqsxw at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f6d2f385306a935a44512d4c200c8bc73498dfc1
---

 libavcodec/vvc/sei.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavcodec/vvc/sei.c b/libavcodec/vvc/sei.c
index 47edd94fb2..0692a99fc8 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 ?