From c9a2506de9e906e82c4c99df759fcfc1142b24a4 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 27 Jan 2021 19:06:36 +0100
Subject: get_bits: move check_marker() to mpegvideodec.h

It is only used by mpegvideo-based decoders - specifically mpeg12, intelh263,
ituh263, mpeg4video.
---
 libavcodec/mpegvideodec.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'libavcodec/mpegvideodec.h')

diff --git a/libavcodec/mpegvideodec.h b/libavcodec/mpegvideodec.h
index 1af8ebac36..fabc1b2202 100644
--- a/libavcodec/mpegvideodec.h
+++ b/libavcodec/mpegvideodec.h
@@ -29,6 +29,8 @@
 #define AVCODEC_MPEGVIDEODEC_H
 
 #include "libavutil/frame.h"
+#include "libavutil/log.h"
+
 #include "avcodec.h"
 #include "get_bits.h"
 #include "mpegpicture.h"
@@ -67,4 +69,14 @@ static inline int mpeg_get_qscale(MpegEncContext *s)
         return qscale << 1;
 }
 
+static inline int check_marker(void *logctx, GetBitContext *s, const char *msg)
+{
+    int bit = get_bits1(s);
+    if (!bit)
+        av_log(logctx, AV_LOG_INFO, "Marker bit missing at %d of %d %s\n",
+               get_bits_count(s) - 1, s->size_in_bits, msg);
+
+    return bit;
+}
+
 #endif /* AVCODEC_MPEGVIDEODEC_H */
-- 
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