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reintroduce channels

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Bring back the channel object. Making a node and port on the client side
was rather awkward because of the async nature of many methods. It feels
better to have a specific communication channel object to interface with
a server side port.
Use port activate/deactivate to start/stop streams
Remove links from the ports. We let other objects install a callback on
the port to receive and route buffers.
This commit is contained in:
Wim Taymans 2016-07-20 17:29:34 +02:00
parent eefe6aacb9
commit e167d30296
26 changed files with 2840 additions and 675 deletions
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12
pinos/gst/gstpinosportsink.c
View file

@ -74,18 +74,15 @@ gst_pinos_port_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
return TRUE;
}
static void
on_received_buffer (PinosPort *port, gpointer user_data)
static gboolean
on_received_buffer (PinosPort *port, PinosBuffer *pbuf, GError **error, gpointer user_data)
{
GstPinosPortSink *this = user_data;
GstEvent *ev;
PinosBuffer *pbuf;
PinosBufferIter it;
PinosBufferBuilder b;
gboolean have_out = FALSE;
pbuf = pinos_port_peek_buffer (port);
if (this->pinos_input) {
pinos_buffer_builder_init (&b);
}
@ -139,6 +136,7 @@ on_received_buffer (PinosPort *port, gpointer user_data)
pinos_buffer_builder_clear (&b);
}
}
return TRUE;
}
static void
@ -230,7 +228,7 @@ gst_pinos_port_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
PinosBuffer pbuf;
PinosPacketFormatChange fc;
pinos_port_buffer_builder_init (this->port, &builder);
pinos_buffer_builder_init (&builder);
fc.id = 0;
fc.format = cstr = gst_caps_to_string (caps);
pinos_buffer_builder_add_format_change (&builder, &fc);
@ -308,7 +306,7 @@ gst_pinos_port_sink_render_other (GstPinosPortSink * this, GstBuffer * buffer)
hdr.pts = GST_BUFFER_PTS (buffer) + GST_ELEMENT_CAST (this)->base_time;
hdr.dts_offset = 0;
pinos_port_buffer_builder_init (this->port, &builder);
pinos_buffer_builder_init (&builder);
pinos_buffer_builder_add_header (&builder, &hdr);
fdmem = gst_pinos_port_sink_get_fd_memory (this, buffer, &tmpfile);