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26 Commits

Author SHA1 Message Date
Anton Khirnov
eddffbedb3 lavfi: add query_func2() 
It differs from query_func() in accepting arrays of input/output format
configurations to be filled as callback parameters. This allows to mark
the filter context as const, ensuring it is not modified by this
function, as it is not supposed to have any side effects beyond
returning the supported formats.
 2024-09-02 11:55:20 +02:00
Anton Khirnov
52471b56ba lavfi: make FFFilterContext private to generic code 
Nothing in it needs to be visible to filters.
 2024-08-19 21:48:11 +02:00
Anton Khirnov
f19c988911 lavfi/filters: move functions only used by generic code to avfilter_internal.h 2024-08-19 21:48:11 +02:00
Anton Khirnov
6d75d44d90 lavfi: drop internal.h 
All that remains in it are things that belong in avfilter_internal.h.

Move them there and remove internal.h
 2024-08-19 21:48:04 +02:00
Anton Khirnov
1afe42852b lavfi/internal: move functions used by filters to filters.h 
internal.h currently mixes interfaces intended to be used by filters
with those that should be limited to generic filter- or graph-level
code.
 2024-08-19 21:45:25 +02:00
Anton Khirnov
d566a37003 lavfi: move AVFilterLink.graph to FilterLink 2024-08-15 19:34:27 +02:00
Anton Khirnov
fb3efef1db lavfi: move AVFilterLink.frame_wanted_out to FilterLinkInternal 2024-08-15 19:34:27 +02:00
Anton Khirnov
42cbf66fff lavfi: move AVFilterLink.{frame,sample}_count_{in,out} to FilterLink 2024-08-15 19:34:27 +02:00
Anton Khirnov
a23d565ea7 lavfi: move AVFilterLink.frame_rate to FilterLink 
Co-developed-by: James Almer <jamrial@gmail.com>
 2024-08-15 19:34:27 +02:00
Anton Khirnov
d6318a244d lavfi: move AVFilterLink.current_pts(_us) to FilterLink 2024-08-15 19:34:27 +02:00
Anton Khirnov
7f17e0e6dd lavfi: move AVFilterLink.hw_frames_ctx to FilterLink 2024-08-15 19:34:24 +02:00
Anton Khirnov
99ee7a948f lavfi: move AVFilterLink.m{ax,in}_samples to FilterLink 
Also, document who sets these fields and when.
 2024-08-15 19:27:01 +02:00
Anton Khirnov
54754eec1e lavfi: add a new struct for private link properties 
Specifically those that should be visible to filters, but hidden from
API callers. Such properties are currently located at the end of the
public AVFilterLink struct, demarcated by a comment marking them as
private. However it is generally better to hide them explicitly, using
the same pattern already employed in avformat or avcodec.

The new struct is currently trivial, but will become more useful in
following commits.
 2024-08-15 19:27:01 +02:00
Nicolas George
531d09fb2d lavfi: add ff_inoutlink_check_flow() 2022-02-20 12:38:52 +01:00
Paul B Mahol
7d65fe87e9 avfilter: add ff_inlink_queued_samples() 2018-10-04 12:10:20 +02:00
Marton Balint
8f14170b9a avfilter/filters: add ff_inlink_peek_frame and ff_inlink_queued_frames to access frames in the inlink fifo 
Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-10-03 22:09:49 +02:00
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