[vlc-devel] VLC as a frame-server : some problems remains.

Video Guru guru.video at gmail.com
Thu Feb 19 13:03:58 CET 2009

Thanks Remi for the reply.

On vmem's lock callback, I immediately give a pointer from my
applications managed buffers, and returns. After vmem's unlock I mark
that buffer as filled for the display use. I have 100 such buffers.
But vmem lock callback is arriving at the media's fps, i.e., 25 Hz.

So the callback rate is being limited by the VLC, may be for the A/V
sync etc. But I am managing my own A/V sync based on the dates so I
want the max speed which disk io/codec/vlc can reach.

Please guide.

On Thu, Feb 19, 2009 at 5:17 PM, Rémi Denis-Courmont
<rdenis at simphalempin.com> wrote:
> On Thu, 19 Feb 2009 17:06:21 +0530, Video Guru <guru.video at gmail.com>
> wrote:
>> libvlc is limiting the delivery rate to vmem based on the fps of the
>> media. I dont want that. I want to get frames as fast as possible to
>> fill my buffer, when my buffer is near full, I will either pause vlc,
>> or hold the vmem lock (with of course, --no-drop-frames).
> I suspect that the vmem plugin supports only one frame buffer, and that
> would be the issue. VLC has to wait until there is one buffer available.
> --
> Rémi Denis-Courmont
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