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lavu/fifo: clarify interaction of AV_FIFO_FLAG_AUTO_GROW with av_fifo_can_write()

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Anton Khirnov 2022-06-30 16:23:46 +02:00
parent c9b6fd27bf
commit 8728808b3e
1 changed files with 7 additions and 1 deletions
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8
libavutil/fifo.h
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@ -97,7 +97,13 @@ void av_fifo_auto_grow_limit(AVFifo *f, size_t max_elems);
size_t av_fifo_can_read(const AVFifo *f);
/**
* @return number of elements that can be written into the given FIFO.
* @return Number of elements that can be written into the given FIFO without
* growing it.
*
* In other words, this number of elements or less is guaranteed to fit
* into the FIFO. More data may be written when the
* AV_FIFO_FLAG_AUTO_GROW flag was specified at FIFO creation, but this
* may involve memory allocation, which can fail.
*/
size_t av_fifo_can_write(const AVFifo *f);