avcodec/h264dec: update exported AVOptions in the user-facing context

Based on a patch by Hendrik Leppkes.

Fixes ticket #9176.

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 62f7a61aed..9c2301d7e0 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -464,6 +464,18 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
     return err;
 }
 
+int ff_h264_update_thread_context_for_user(AVCodecContext *dst,
+                                           const AVCodecContext *src)
+{
+    H264Context *h = dst->priv_data;
+    const H264Context *h1 = src->priv_data;
+
+    h->is_avc = h1->is_avc;
+    h->nal_length_size = h1->nal_length_size;
+
+    return 0;
+}
+
 static int h264_frame_start(H264Context *h)
 {
     H264Picture *pic;