[FFmpeg-user] Converted DVDs in .mkv format lose Pause, FastForward, Skip, etc functions when I restream as mpeg to DLNA

Jindřich Makovička jindrich.makovicka at nangu.tv
Thu Aug 22 19:38:49 CEST 2013

On Thu, Aug 22, 2013 at 6:59 PM,  <jen142 at promessage.com> wrote:
> On Wed, Aug 21, 2013, at 08:54 AM, jen142 at promessage.com wrote:
>> Can anyone help figure out any more or different commands I need to use
>> to not lose the functions when I stream the videos to the TVs like this?
> This thread
>         http://ffmpeg-users.933282.n4.nabble.com/Transcoded-MPEG-2-Transport-Stream-does-not-have-random-access-indicator-bit-set-td3010438.html
> suggests that
> "Random Access Indicator, which is very important to realize trick play
> (i.e. random access, fast forward),
> is not included in the stream."
> The question is asked there "how?", but no answer.
> A commit thread
>         [FFmpeg-cvslog] mpegtsenc: set Random Access indicator on
>         keyframe start packets
>         https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2011-July/038989.html
> suggests that it's already IN ffmpeg.
> If it is, how can I enable the "Random Access indicator" in my stream
> transcode command?  I'm not sure it's the answer, but it seems like it's
> worth a try at least.

It doesn't need to be enabled. RAI should be set automatically on
every starting packet of a key frame.

Jindřich Makovička


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