[FFmpeg-devel] [PATCH 3/3] lavu/fifo: clarify interaction of AV_FIFO_FLAG_AUTO_GROW with av_fifo_write()
Anton Khirnov
anton at khirnov.net
Mon Aug 29 17:07:17 EEST 2022
---
libavutil/fifo.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavutil/fifo.h b/libavutil/fifo.h
index 89872d0972..70f9376d97 100644
--- a/libavutil/fifo.h
+++ b/libavutil/fifo.h
@@ -124,9 +124,12 @@ int av_fifo_grow2(AVFifo *f, size_t inc);
/**
* Write data into a FIFO.
*
- * In case nb_elems > av_fifo_can_write(f), nothing is written and an error
+ * In case nb_elems > av_fifo_can_write(f) and the AV_FIFO_FLAG_AUTO_GROW flag
+ * was not specified at FIFO creation, nothing is written and an error
* is returned.
*
+ * Calling function is guaranteed to succeed if nb_elems <= av_fifo_can_write(f).
+ *
* @param f the FIFO buffer
* @param buf Data to be written. nb_elems * av_fifo_elem_size(f) bytes will be
* read from buf on success.
--
2.35.1
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