On Sat, Dec 24, 2016 at 06:41:40PM +0100, Nicolas George wrote: > Signed-off-by: Nicolas George <geo...@nsup.org> > --- > libavfilter/avfilter.c | 63 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > libavfilter/internal.h | 47 +++++++++++++++++++++++++++++++++++++ > 2 files changed, 110 insertions(+) [...]
> +/** > + * Take a frame from the link's FIFO and update the link's stats. > + * Must only be called if a frame is available (assert1). > + * @note May trigger process_command() and/or update is_disabled. > + */ > +int ff_link_consume_frame_sure(AVFilterLink *link, AVFrame **rframe); > + > +/** > + * Take samples from the link's FIFO and update the link's stats. > + * Must only be called if samples are available (assert1). > + * @note May trigger process_command() and/or update is_disabled. > + */ > +int ff_link_consume_samples_sure(AVFilterLink *link, unsigned min, unsigned > max, > + AVFrame **rframe); > + > +/** > + * Take a frame from the link's FIFO and update the link's stats. > + * @note May trigger process_command() and/or update is_disabled. > + * @return >0 if a frame is available, > + * 0 and sets rframe to NULL if no frame available, > + * or AVERROR code > + */ > +int ff_link_consume_frame(AVFilterLink *link, AVFrame **rframe); > + > +/** > + * Take samples from the link's FIFO and update the link's stats. > + * @note May trigger process_command() and/or update is_disabled. > + * @return >0 if a frame is available, > + * 0 and sets rframe to NULL if no frame available, > + * or AVERROR code > + */ > +int ff_link_consume_samples(AVFilterLink *link, unsigned min, unsigned max, > + AVFrame **rframe); > + Why do these functions exist twice ? the API would be simpler with just one set [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Complexity theory is the science of finding the exact solution to an approximation. Benchmarking OTOH is finding an approximation of the exact
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