Meta with timestamp

[Edward Hervey]

Hi,

  Just ensure the buffer is writable (it won't actually copy the
underlying memory) with gst_buffer_make_writable() and set it back to
the GST_PAD_PROBE_INFO_DATA so that it gets propagated.

   Edward

On Tue, 2018-03-20 at 13:39 +0100, José Rafael wrote:
> Hello,
> 
> I'm using the code below to timestamp a pipeline and get a delay in
> the end for the buffers.
> It work fine usually, putting the but timestamp at the src pad and
> getting the difference in the sink.
> However, in a longer transcoding pipeline the transform function
> always get non writable buffers, and the meta is not replicated.
> 
> Is there a way to now who is blocking the buffer, or a workaround?
> 
> Any tips will be really appreciated.