avformat: Constify all muxer/demuxers

[ffmpeg] / libavformat / nullenc.c

diff --git a/libavformat/nullenc.c b/libavformat/nullenc.c
index fd293d72a6474377102350061ae7d04dba426eed..735491372679f8bd0da07417dcc1bf49977317b0 100644 (file)
--- a/libavformat/nullenc.c
+++ b/libavformat/nullenc.c
@@ -26,7 +26,7 @@ static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     return 0;
 }
 
-AVOutputFormat ff_null_muxer = {
+const AVOutputFormat ff_null_muxer = {
     .name              = "null",
     .long_name         = NULL_IF_CONFIG_SMALL("raw null video"),
     .audio_codec       = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),