mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 15:36:35 +00:00
349 lines
4.3 KiB
Text
349 lines
4.3 KiB
Text
OUTDATED
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--------
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> ---
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always compatible
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--+ -> ---
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call negotiate function, set the resulting caps
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-+- -> ---
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always compatible
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-++ -> ---
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call negotiate function, set the resulting caps
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+-- -> ---
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always compatible, caps are those of the pad
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+-+ -> ---
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always compatible, caps are those of the pad
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++- -> ---
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always compatible, caps are those of the pad
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+++ -> ---
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always compatible, caps are those of the pad
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> --+
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call negotiate function, set the resulting caps
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--+ -> --+
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negotiate until agreed
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-+- -> --+
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call negotiate until caps match padtemplate
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-++ -> --+
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negotiate until agreed, caps only got send to the
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other pad if they match the padtemplate
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+-- -> --+
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call negotiate function with src caps, set caps if ok
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+-+ -> --+
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call negotiate function with src caps, negotiate until agreed
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++- -> --+
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call negotiate function with src caps, set caps if ok
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+++ -> --+
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call negotiate function with src caps, negotiate until agreed
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> -+-
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always compatible
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--+ -> -+-
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call negotiate until caps match padtemplate
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-+- -> -+-
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check padtemplates, if compatible connect
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-++ -> -+-
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check templates, if compatible,
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call negotiate, until it matches the padtemplate
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+-- -> -+-
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check caps against padtemplate, if compatible, connect
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+-+ -> -+-
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check caps against padtemplate, if compatible: connect
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also call negotiate until it matches template
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++- -> -+-
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check caps against padtemplate, if match, connect
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+++ -> -+-
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check caps against padtemplate, if match, connect
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also check padtemplates if compatible,
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call negotiate until match template
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> -++
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call negotiate, set resulting caps
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--+ -> -++
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call negotiate until agree, check src caps against
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padtemplate before calling sink negotiate
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-+- -> -++
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check padtemplates, if match call negotiate until
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match src padtemplate.
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-++ -> -++
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check padtemplates, if match call negotiate until
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agree
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+-- -> -++
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check caps against padtemplate
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call negotiate with caps, if agree, set caps
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+-+ -> -++
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check caps against padtemplate
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call negotiate with caps, negotiate until agree
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++- -> -++
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check caps against padtemplate
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call negotiate with caps, call negotiate until
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sink caps match src padtemplate
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+++ -> -++
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check caps against padtemplate
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call negotiate with caps, negotiate until agree
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> +--
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connection fails
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--+ -> +--
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-+- -> +--
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-++ -> +--
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+-- -> +--
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+-+ -> +--
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++- -> +--
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+++ -> +--
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check caps,
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call src negotiate with caps
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> +-+
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--+ -> +-+
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-+- -> +-+
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-++ -> +-+
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+-- -> +-+
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+-+ -> +-+
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++- -> +-+
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+++ -> +-+
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> ++-
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--+ -> ++-
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-+- -> ++-
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-++ -> ++-
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+-- -> ++-
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+-+ -> ++-
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++- -> ++-
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+++ -> ++-
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=====================================
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pad has caps
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| pad has template
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|/ pad has negotiate function
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||/
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--- -> +++
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--+ -> +++
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-+- -> +++
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-++ -> +++
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+-- -> +++
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+-+ -> +++
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++- -> +++
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+++ -> +++
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=====================================
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srccaps = GST_PAD_CAPS (srcpad);
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srctempl = FALSE;
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do {
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//no caps, get one
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if (!srccaps)
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{
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if (srcpad->negotiatefunc && !srctempl)
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{
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srccaps = srcpad->negotiatefunc (srpad, srcaps, counter);
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srctempl = FALSE;
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}
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else
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{
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srccaps = gst_pad_get_caps (srcpad);
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srctempl = TRUE;
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}
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}
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/* check against other pad */
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// the other pad doesn't want to negotiate
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if (!sinkpad->negotiatefunc)
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{
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sinkcaps = gst_pad_get_caps (sinkpad);
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if (!sinkcaps)
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break;
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if (gst_caps_check_compatibility (srccaps, sinkcaps))
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{
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// cool
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break;
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}
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}
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else {
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switch pads;
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}
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} while (counter < 100);
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