[FFmpeg-cvslog] avformat/movenc: forbid muxing AV1 streams until the spec is finished

[James Almer]

ffmpeg | branch: release/4.0 | James Almer <jamrial at gmail.com> | Sun Apr 15 21:33:44 2018 -0300| [6c95a26c1a5fd046d0479f9bcdc6e61b3b8d1adb] | committer: James Almer

avformat/movenc: forbid muxing AV1 streams until the spec is finished

This prevents creating potentially broken files, as both the AV1 and
the AV1 in ISOMBFF specs are unfinished.

Signed-off-by: James Almer <jamrial at gmail.com>
(cherry picked from commit 62bdbb5ce0c54b9f73c9b2580467ab1e6d76b70b)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6c95a26c1a5fd046d0479f9bcdc6e61b3b8d1adb
---

 libavformat/movenc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index d03d7906a1..dc5c842cb8 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6081,6 +6081,10 @@ static int mov_init(AVFormatContext *s)
                     av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
                     return AVERROR(EINVAL);
                 }
+            } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
+                /* spec is not finished, so forbid for now */
+                av_log(s, AV_LOG_ERROR, "AV1 muxing is currently not supported.\n");
+                return AVERROR_PATCHWELCOME;
             } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
                 /* altref frames handling is not defined in the spec as of version v1.0,
                  * so just forbid muxing VP8 streams altogether until a new version does */