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10 Commits

Author SHA1 Message Date
Nicolas George 76613618d9 lavfi: add helper functions and macros for activate. 2017-09-12 11:03:50 +02:00
Nicolas George ed1c884b9e lavfi: add outlink helper functions. 
These wrappers cost nothing, they make the namespace more
consistent and they will be useful if/when locking becomes
necessary.
 2017-07-30 12:24:00 +02:00
Nicolas George b77f041dff lavfi: make FFERROR_NOT_READY available to filters. 
I am not entirely sure that this return code is useful,
but having and using it makes no harm.
 2017-07-30 12:23:56 +02:00
Nicolas George 9eb4c79afd lavfi: add ff_inlink_request_frame(). 2017-01-12 14:06:16 +01:00
Nicolas George d360ddf03b lavfi: add helpers to consume frames from link FIFOs. 2017-01-12 14:06:16 +01:00
Nicolas George e7e4c8dfbe lavfi: add ff_inlink_evaluate_timeline_at_frame(). 2017-01-12 14:06:16 +01:00
Nicolas George 0e3d2496e2 lavfi: add ff_inlink_process_commands(). 2017-01-12 14:06:16 +01:00
Nicolas George 28c62df672 lavfi: implement ff_inlink_make_frame_writable(). 
Unlike av_frame_is_writable(), it uses the link's alloc callback,
making direct rendering possible.

The code comes from ff_filter_frame_framed(), moved with mostly
trivial changes.
 2017-01-12 14:06:16 +01:00
Nicolas George 918891e146 lavfi: export ff_filter_set_ready() to the library. 2017-01-12 14:06:16 +01:00
Nicolas George 4c24f3ac16 lavfi: add ff_inlink_acknowledge_status(). 
Also introduce libavfilter/filters.h for all functions needed
to implement filters.
 2017-01-12 14:06:16 +01:00