From 00cdd0986f133e4e2e65abfd0c9fe52ad5d5029f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Cartegnie?= <fcvlcdev@free.fr>
Date: Wed, 25 Oct 2023 14:24:58 +0200
Subject: [PATCH] packetizer: h264: store IDR noprevoutput flag

---
 modules/packetizer/h264_slice.c | 7 ++++++-
 modules/packetizer/h264_slice.h | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/packetizer/h264_slice.c b/modules/packetizer/h264_slice.c
index 5319957006..d22e008311 100644
--- a/modules/packetizer/h264_slice.c
+++ b/modules/packetizer/h264_slice.c
@@ -185,7 +185,12 @@ bool h264_decode_slice( const uint8_t *p_buffer, size_t i_buffer,
     }
 
     /* dec_ref_pic_marking() */
-    if( p_slice->i_nal_type != 5 ) /* IdrFlag */
+    if( p_slice->i_nal_type == 5 ) /* IdrFlag */
+    {
+        p_slice->no_output_of_prior_pics_flag = bs_read1( &s );
+        bs_skip( &s, 1 ); /* long_term_reference_flag */
+    }
+    else
     {
         if( bs_read1( &s ) ) /* adaptive_ref_pic_marking_mode_flag */
         {
diff --git a/modules/packetizer/h264_slice.h b/modules/packetizer/h264_slice.h
index 029c94f65c..28adb14e7d 100644
--- a/modules/packetizer/h264_slice.h
+++ b/modules/packetizer/h264_slice.h
@@ -51,6 +51,7 @@ typedef struct
     int i_delta_pic_order_cnt0;
     int i_delta_pic_order_cnt1;
 
+    bool no_output_of_prior_pics_flag;
     bool has_mmco5;
 } h264_slice_t;