X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fivfenc.c;h=adf72117e93436763cfe4b4ddbf7c8c0595b078a;hb=b80003fe286ed37c81624dd6ab624fc3dd20c9d2;hp=af803d59ee80c8965a38f1a519e2c22c20d060e1;hpb=ce265b0bf5d0c77a092a1f5fbeb652c7cdea5fc7;p=ffmpeg

diff --git a/libavformat/ivfenc.c b/libavformat/ivfenc.c
index af803d59ee8..adf72117e93 100644
--- a/libavformat/ivfenc.c
+++ b/libavformat/ivfenc.c
@@ -46,7 +46,7 @@ static int ivf_write_header(AVFormatContext *s)
     avio_write(pb, "DKIF", 4);
     avio_wl16(pb, 0); // version
     avio_wl16(pb, 32); // header length
-    avio_wl32(pb, par->codec_tag ? par->codec_tag :
+    avio_wl32(pb,
               par->codec_id == AV_CODEC_ID_VP9 ? AV_RL32("VP90") :
               par->codec_id == AV_CODEC_ID_VP8 ? AV_RL32("VP80") : AV_RL32("AV01"));
     avio_wl16(pb, par->width);
@@ -97,6 +97,8 @@ static int ivf_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
 
     if (st->codecpar->codec_id == AV_CODEC_ID_VP9)
         ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
+    else if (st->codecpar->codec_id == AV_CODEC_ID_AV1)
+        ret = ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert");
 
     return ret;
 }