get_bits: move check_marker() to mpegvideodec.h

It is only used by mpegvideo-based decoders - specifically mpeg12, intelh263,
ituh263, mpeg4video.

libavcodec/get_bits.h

@@ -31,7 +31,6 @@
 
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
-#include "libavutil/log.h"
 #include "libavutil/avassert.h"
 
 #include "defs.h"
@@ -610,16 +609,6 @@ static inline unsigned int show_bits_long(GetBitContext *s, int n)
     }
 }
 
-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;
-}
-
 static inline int init_get_bits_xe(GetBitContext *s, const uint8_t *buffer,
                                    int bit_size, int is_le)
 {

libavcodec/intelh263dec.c

@@ -21,6 +21,7 @@
 #include "codec_internal.h"
 #include "mpegutils.h"
 #include "mpegvideo.h"
+#include "mpegvideodec.h"
 #include "h263data.h"
 #include "h263dec.h"
 #include "mpegvideodata.h"

libavcodec/ituh263dec.c

@@ -48,6 +48,7 @@
 #include "rv10dec.h"
 #include "mpeg4video.h"
 #include "mpegvideodata.h"
+#include "mpegvideodec.h"
 #include "mpeg4videodec.h"
 
 // The defines below define the number of bits that are read at once for

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 */