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docs: update negotiation design doc

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This commit is contained in:
Wim Taymans 2011-06-22 12:26:19 +02:00
parent 3884badea6
commit f8fedb8ff1
1 changed files with 6 additions and 7 deletions
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13
docs/design/part-negotiation.txt
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@ -60,13 +60,10 @@ The general flow for a source pad starting the negotiation.
[element wants to create a buffer]
if not format
# see what the peer can do
peercaps = gst_pad_peer_get_caps (srcpad)
# see what we can do
ourcaps = gst_pad_get_caps (srcpad)
# get common formats
candidates = gst_caps_intersect (peercaps, ourcaps)
# see what the peer can do filtered against our caps
candidates = gst_pad_peer_get_caps (srcpad, ourcaps)
foreach candidate in candidates
# make sure the caps is fixed
@ -82,8 +79,10 @@ The general flow for a source pad starting the negotiation.
done
endif
buffer = gst_buffer_new_and_alloc (size);
[fill buffer and push]
#negotiate allocator/bufferpool with the ALLOCATION query
buffer = gst_buffer_new_allocate (NULL, size, 0);
# fill buffer and push
The general flow for a sink pad starting a renegotiation.