Date: Tue, 24 May 2016 20:12:23 -0400 From: Baho Utot <baho-utot@columbus.rr.com> To: freebsd-questions@freebsd.org Subject: Re: Matroska video format Message-ID: <b08ddff3-0aaf-b440-5352-52edd255d29e@columbus.rr.com> In-Reply-To: <20160524133246.2bb528a21dfd14290e536b5f@yahoo.es> References: <37fefe15-0f0c-31d0-8192-d49735f89b43@columbus.rr.com> <20160524133246.2bb528a21dfd14290e536b5f@yahoo.es>
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On 05/24/16 07:32, Eduardo Morras via freebsd-questions wrote: > On Sun, 22 May 2016 20:42:41 -0400 > Baho Utot <baho-utot@columbus.rr.com> wrote: > >> I would like to play a Matroskavisoe using vlc, Is this possible? > vlc supports mkv container format. > >> It starts to play but the picture goes in and out of grey > It's a video codec problem, not mkv. > > If it happens once or mixed with other defects, it's (>90%) a tiny corruption on video file. > > If it happens too often and in the same way (you see 1-2 pictures and goes grey, 1-2 pictures and again grey repeteadly) then the video was codified with a feature vlc can't decode. Upgrade vlc and it's dependence libraries or use other viewer (ffplay from ffmepg) that uses other library (for H264 you have OpenH264, ffmpeg, x264, etc.. and not all of them supports all H264 subformats/modes). > > If you transcode it with ffmpeg check first ffmpeg/ffplay can play it nicely. It does indeed appear as a codec problem, windog 7 will play the video just fine. I tried to transcode it but it did not work I am now trying to find out which codec are availiable and if I have them installed.
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