feeding images to imagefreeze

[Tim-Philipp Müller]

On Wed, 2013-02-06 at 07:25 -0500, Brian McKeon wrote:

Hi Brian,

> I'm hoping someone with more experience can point me in the right
> direction.
> 
> I'm trying to push jpeg images into a gstreamer pipeline. When an
> image gets put into the pipeline, I want it to stream that image until
> I signal the pipeline to pull the next image, and so on.
> 
> My python code copies each image into a gstbuffer and pushes that into
> an appsrc element. The appsrc element then feeds into a decoder and
> then into an imagefreeze element.
> 
> It works fine, except that I can't make the imagefreeze element pull
> additional buffers from appsrc.
> 
> As soon as it has one buffer, it doesn't pull any others. The buffers
> just queue up in the appsrc element with nowhere to go.
> 
> Ideally I'd like to be able to send a signal to imagefreeze to tell it
> when to pull the next image buffer from appsrc. But I haven't been
> able to find anyway of accomplishing this.
> 
> It occurred to me that maybe imagefreeze wasn't designed for this
> purpose and that I may need to go into the source code and add this
> feature myself.
> 
> But I first wanted to check with everyone to see if there's an easier
> way of accomplishing this.

What's your whole pipeline like? (Since you say "stream" the image)

Cheers
 -Tim