[FFmpeg-devel] [PATCH] avfilter/src_movie: Remove align dimension to fix crash
Anton Khirnov
anton at khirnov.net
Thu May 23 10:48:57 EEST 2024
Quoting Paul B Mahol (2024-05-11 15:48:08)
> Any next filter after (a)movie filter that calls ff_null_get_video_buffer()
> will not? work and using
> ff_default_get_video_buffer() will allocate new frame.
>
> Original idea was/is to improve performance by using DR support provided by
> decoders.
As I remember, the original intent behind lavfi get_buffer functions
was:
1) Allow a downstream filter like pad to allocate a larger frame in
order to avoid copying.
2) Allow direct rendering into caller-provided buffers (currently not
supported).
--
Anton Khirnov
More information about the ffmpeg-devel
mailing list