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Initialize the bsfs once when opening the codec and uninitialize them once when
closing it, instead of at every codec flush/seek.
Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'b46a77f19ddc4b2b5fa3187835ceb602a5244e24':
lavc: external hardware frame pool initialization
Includes the fix from e724bdfffbd3c27aac53d1f32f20f105f37caef0
Merged-by: James Almer <jamrial@gmail.com>
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This will be useful in the CUVID hwaccel. It should also eventually
replace current decoder-specific mechanisms used by various other
hwaccels.
Merges Libav commit 704311b2946d74a80f65906961cd9baaa18683a3.
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This will be useful in the CUVID hwaccel.
Merges Libav commit badf0951f54c1332e77455dc40398f3512540c1b.
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Use the AVFrame.private_ref field.
This new struct will be useful in the following commits.
Merges Libav commit 359a8a3e2d1194b52b6c386f94fd0929567dfb67.
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This adds a new API, which allows the API user to query the required
AVHWFramesContext parameters. This also reduces code duplication across
the hwaccels by introducing ff_decode_get_hw_frames_ctx(), which uses
the new API function. It takes care of initializing the hw_frames_ctx
if needed, and does additional error handling and API usage checking.
Support for VDA and Cuvid missing.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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This will be useful in the CUVID hwaccel. It should also eventually
replace current decoder-specific mechanisms used by various other
hwaccels.
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This will be useful in the CUVID hwaccel.
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Use the AVFrame.opaque_ref field. The original user's opaque_ref is
wrapped in the lavc struct and then unwrapped before the frame is
returned to the caller.
This new struct will be useful in the following commits.
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* commit '554e55bbf0e4a3640a784cb512b816e776c56333':
decode.h: Add missing headers to fix standalone compilation
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '972c71e9cb63e24f57ee481e413199c7d88a8813':
lavc: add support for filtering packets before decoding
Merged-by: James Almer <jamrial@gmail.com>
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* commit '061a0c14bb5767bca72e3a7227ca400de439ba09':
decode: restructure the core decoding code
CUVID decoder adapted by wm4.
Merged-by: James Almer <jamrial@gmail.com>
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Currently, the new decoding API is pretty much just a wrapper around the
old deprecated one. This is problematic, since it interferes with making
full use of the flexibility added by the new API. The old API should
also be removed at some future point.
Reorganize the code so that the new send_packet/receive_frame functions
call the actual decoding directly and change the old deprecated
avcodec_decode_* functions into wrappers around the new API.
The new internal API for decoders is now changing as well. Before this
commit, it mirrors the public API, so the decoders need to implement
send_packet() and receive_frame() callbacks. This turns out to require
awkward constructs in both the decoders and the generic code. After this
commit, the decoders only implement the receive_frame() callback and
call a new internal function, ff_decode_get_packet() to obtain input
data, in the same manner to how the bitstream filters now work.
avcodec will now always make a reference to the input packet, which means
that non-refcounted input packets will be copied. Keeping the previous
behaviour, where this copy could sometimes be avoided, would make the
code significantly more complex and fragile for only dubious gains,
since packets are typically small and everyone who cares about
performance should use refcounted packets anyway.
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