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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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119 lines
3.8 KiB
Plaintext
119 lines
3.8 KiB
Plaintext
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API:
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- replace object/structure set/get macros with actual functions.
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- events should all use GstStructure
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- reorganize headers (split app headers vs plugin headers maybe)
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while at it also make sure to only allow including of the main headers like
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glib, so we can freely shuffle stuff around
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- make GstPadLinkReturn internal (to either plugins+core or just core)
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and return gboolean to apps.
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- rewrite GstIndex (it's gross)
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- gst_init() et al. need to work correctly when called multiple times
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and from libraries, etc.
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- gst_pad_get_pad_template_caps -> gst_pad_get_template_caps()
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- add ways for autopluggers to manage negotiation of their children.
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This would allow autopluggers to no longer need helper identities.
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- remove float support from dparams
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- dparams: should be converted into some kind of special pad and
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object property combination.
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- remove gst_element_yield()
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- read/write locks on buffers
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- be able to send events to unlinked pads (bug #114442)
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- caps should have a flag on fields to indicate that the field is optional
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- remove gst_pad_select() and add gst_pad_pull_many(), which pulls one
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buffer from one of many pads
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- deprecate gst_buffer_merge() and replace with a function that takes
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ownership of the buffers. (bug #136408)
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- fakesrc handoff should be changed to return a GstData * or carry a
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GstData **, wo the user can provide own buffers and events.
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- remove GST_OBJECT_DESTROYED()
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- fix plugin code to load plugins with RTLD_LOCAL
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- don't install gstmarshal.h
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- make GstPad and friends a real class heirarchy
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- make GstBuffer/GstData a real class heirarchy, although maybe not
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as a subclass of GObject.
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- remove unnecessary headers from gst.h (gstqueue.h in particular)
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caps:
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(Company:)
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"An idea I had once was to force registration of mimetypes and then
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only allow caps with a registered mimetype - like it's done now with caps.
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You could then add functions to those registrations like
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- gchar *get_human_readable_string (caps);
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should be kinda selfexplanatory. Would return stuff like "16bit signed
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integer audio", "MPEG2 video" or "video format in RGB colorspace" (for
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unfixed RGB)
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- GstCaps *default_fixate (const GstCaps *caps);
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A default fixation function, so we don't fixate to minimum integer
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anymore but have the ability to fixate to 320x240 for video or 44100 for
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audio rates
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- gboolean validate (const GstCaps *caps);
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check if the given caps are ok for this mimetype - debugging only function
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I'd _really_ like to have - especially during gst_register.
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But that's 0.10 material."
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negotiation:
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- autopluggers would be easier to write if there was a core method
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to do what plugidentities do.
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- there should be a way to hook into negotiation and be able to do something if
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negotiation fails. Autopluggers would need that for exchanging elements when
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they can't link.
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bugs with interesting info:
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XML descriptions of plugin information:
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http://bugzilla.gnome.org/show_bug.cgi?id=114216
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object hierarchy:
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- state_change in GstElementClass should be renamed to state_changed, since
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it's a signal triggered after state has changed
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- a method for elements to know when downstream elements are ignoring
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the data stream. This would allow automatic shutoff of pipelines
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whose processing is being dumped.
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- object properties:
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- all bitrates should be bits per second, since they're specified
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as integers
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- categorization of plugins:
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- categories were intended from the start as a list of keywords, instead
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of an implicit tree.
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- this makes a lot more sense and probably fixes our constant discussion
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about categorizing
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- make this explicit by having a list of keywords instead of a fixed string
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with slashes
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- fix the editor/el browser to display this nicely
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