From b6196cb2ef011f1a3278534070205b44c1e0e780 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Tue, 23 Aug 2022 10:41:04 +0200
Subject: lavf/dv: always provide avpriv_dv_* symbols

They are used from libavdevice.
---
 libavformat/dv.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'libavformat/dv.c')

diff --git a/libavformat/dv.c b/libavformat/dv.c
index 1dadaf6e62..24bacd5c53 100644
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -28,6 +28,9 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
+#include "config_components.h"
+
 #include <time.h>
 #include "avformat.h"
 #include "internal.h"
@@ -40,6 +43,8 @@
 #include "dv.h"
 #include "libavutil/avassert.h"
 
+#if CONFIG_DV_DEMUXER
+
 // Must be kept in sync with AVPacket
 struct DVPacket {
     int64_t  pts;
@@ -647,3 +652,21 @@ const AVInputFormat ff_dv_demuxer = {
     .read_seek      = dv_read_seek,
     .extensions     = "dv,dif",
 };
+
+#else // CONFIG_DV_DEMUXER
+DVDemuxContext *avpriv_dv_init_demux(AVFormatContext *s)
+{
+    return NULL;
+}
+
+int avpriv_dv_get_packet(DVDemuxContext *c, AVPacket *pkt)
+{
+    return AVERROR(ENOSYS);
+}
+
+int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
+                             uint8_t *buf, int buf_size, int64_t pos)
+{
+    return AVERROR(ENOSYS);
+}
+#endif // CONFIG_DV_DEMUXER
-- 
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