Use GstFlowReturn to internally pass events between pads.
When we sticky events cause an error, translate this error into a GstFlowReturn.
Caps events will, for example, generate a NOT_NEGOTIATED return when the event
function returns an error.
This allows us then to refuse sending buffers if one of the sticky events is
refused and generate a correct error return value.
If we are dealing with a blocking probe, only then check if one the
blocking flags of the hook matches.
Add some more debug.
Make the pad unit test less racy.
Calling set_caps at that point is not useful in 0.10 (FIXME comment!), and in
0.11 it is totally pointless: the caps event doesn't stick to a flushing pad.
This check is correct but unfortunately it's impossible to implement
in a threadsafe way because the caps could have changed in the meantime.
Fixes bug #659606.
This test currently fails, but is there to ensure we fix this issue
and keep it fixed, since it completely breaks delayed negotiation
use-cases.
This behaviour started breaking since
dd65aae9a1
Add a new event flag for sticky events so that multiple events of that type can
be stored on a pad at the same time. Change the _get_sticky_event() function to
loop over the multiple events of a type.
Change the foreach function to make it possible to removed and modify the sticky
events on a pad.
Use an variable size array now to store the events. This could later be
optimized some more.
When the foreach function told us to remove the buffer from the list, decrease
the length of the array or else we might read past the last item in the array.
Using gst_pad_proxy_get_caps() breaks backwards compatibility with old
parsers because it will propagate the other side's fields like "parsed"
and "framed" and also breaks parser/converters.
Fixes bug #664221.
In 0.10, this can be done with a one-liner by using GST_BUFFER_DATA/SIZE with
put_data. A 0.11 user has to resort to gst_buffer_map, which is less convenient
and might require a memcpy internally.
API: gst_byte_writer_put_buffer()
Rewrite sticky events, trying to make it a bit more simple.
When sticky events are pushed on a srcpad, store them in the sticky event
array and mark the event with received = FALSE.
When the sticky event is successfully sent to the peer pad, make
received = TRUE.
Keep a PENDING_EVENTS pad flag that is set when one of the events is in
the received = FALSE state for some reason.
when activating a sinkpad, mark all events received = FALSE on the peer
srcpad.
When pushing a buffer, check the PENDING_EVENTS flag and if it is set, push all
events to the peer pad first.
