avformat/movenc: implicitly enable negative CTS offsets for ismv

[ffmpeg] / libavformat / isom.c

diff --git a/libavformat/isom.c b/libavformat/isom.c
index 2792371c2503a236ec99d400b98969b313be03cd..ce66d1bcd41accf0bfbaf8401c76062e537893d4 100644 (file)
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -188,6 +188,7 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
 
     { AV_CODEC_ID_VP8,  MKTAG('v', 'p', '0', '8') }, /* VP8 */
     { AV_CODEC_ID_VP9,  MKTAG('v', 'p', '0', '9') }, /* VP9 */
+    { AV_CODEC_ID_AV1,  MKTAG('a', 'v', '0', '1') }, /* AV1 */
 
     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', ' ') },
     { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', '1', 'v', '1') }, /* Apple MPEG-1 Camcorder */