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authorwm4 <nfxjfg@googlemail.com>2017-02-02 11:27:54 +0100
committerAnton Khirnov <anton@khirnov.net>2017-02-11 11:37:45 +0100
commit04f3bd349651694f30feeb8c4ed9bc58106fca54 (patch)
treed48fd34fb20bcc877e24a4bb6fd7f4cff10edb67 /libavcodec/qsvenc_mpeg2.c
parent4de220d2e3751c459f8739a08ac6ca52e63eba30 (diff)
downloadffmpeg-04f3bd349651694f30feeb8c4ed9bc58106fca54.tar.gz
AVFrame: add an opaque_ref field
This is an extended version of the AVFrame.opaque field, which can be used to attach arbitrary user information to an AVFrame. The usefulness of the opaque field is rather limited, because it can store only up to 32 bits of information (or 64 bit on 64 bit systems). It's not possible to set this field to a memory allocation, because there is no way to deallocate it correctly. The opaque_ref field circumvents this by letting the user set an AVBuffer, which makes the user data refcounted. Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec/qsvenc_mpeg2.c')
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