[FFmpeg-user] Quicktime Files create with -vtag aivx

[Rens Dijkshoorn]

----- Original Message -----
> From: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
> To: ffmpeg-user at ffmpeg.org
> Sent: Saturday, 6 December, 2014 01:38:27
> Subject: Re: [FFmpeg-user] Quicktime Files create with -vtag aivx

> Rens Dijkshoorn <rens <at> offlinemedia.nl> writes:

> > For autoselect the correct -vtag an extra
> > condition is needed in movenc.c

> Will you send a patch?

> Thank you, Carl Eugen

This will work, but i'am not really a programmer.
There might be a better way to achieve this.


diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 10e883c..2321748 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1279,7 +1279,8 @@ static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
                 else if (rate == 60) tag = MKTAG('a','i','1','6');
             }
         } else if (   track->enc->width == 4096 && track->enc->height == 2160
-                   || track->enc->width == 3840 && track->enc->height == 2160) {
+                   || track->enc->width == 3840 && track->enc->height == 2160
+                   || track->enc->width == 2048 && track->enc->height == 1080) {
             tag = MKTAG('a','i','v','x');
         }
     }


Rens