ios safari browser support the xing header, and the duration of the mp3 file with xing header is correct. But with "Info" replaced "Xing" in xing header in CBR mode, ios safari browser does not skip the first frame and using the first frame header(the bitrate in header has changed to enlarge frame size as xing frame needs at least 177 bytes) to calculate duration.
2017-04-23 0:29 GMT+08:00 Michael Niedermayer <mich...@niedermayer.cc>: > On Fri, Apr 21, 2017 at 10:59:41PM +0800, sharp...@gmail.com wrote: >> From: sharpbai <sharp...@gmail.com> >> >> Bug example: >> >> ffmpeg -i a.mp3 -c:a mp3 -ab 32k -ar 44100 -ac 1 b.mp3 >> >> The duration of the generated file b.mp3 is wrong on ios safari browser from >> ios7 to ios10. >> --- >> libavformat/mp3enc.c | 7 ++++++- >> 1 file changed, 6 insertions(+), 1 deletion(-) > > ios safari browser doesnt support the xing header ? > > [...] > > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > -- Regards, Sharpbai Focus on web programming. Blog - http://blog.tbai.me/ Weibo - http://weibo.com/iambaitian Renren - http://renren.com/sharpbai _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
