[mythtv-users] 0.27.1 stores wrong length in SD mpeg2 recordings

[Mike Perkins]

On 21/06/14 02:17, Hika van den Hoven wrote:
>
> If I try to play the first 0.27 recording outside myth Totem also
> shows to short a length, but every time different. It also has problem
> playing. Gnome mplayer shows it correct and has no problem.
> If I look at the properties (in gnome2) it says: the correct length,
> Demuxer: mpegps, Videocodec: ffmpeg2, videobitspeed 5859 kb/s, video
> framespeed 25 fps.
> And at a second tab: mpeg2 video, bitspeed 1563 kbps, imagespeed N/A
>
> Also when I transcode one of the files with ffmpeg it always complains
> about the first frame mot being a keyframe and in maybe 10 to 20% of
> the files it reports some damaged frames (audio/video sync or no
> audio)
>
Your last point may imply that the file is being incorrectly labeled as mpeg-ps 
when it should be mpeg-ts. TS (Transport Stream), being indeterminate, can start 
anywhere whereas a PS (Program Stream) would be expected to begin on a keyframe.

-- 

Mike Perkins