Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavutil / fifo.h

diff --git a/libavutil/fifo.h b/libavutil/fifo.h
index 22a9aa5d189f14f9ab668c4f16f366598b5a10f3..515f0980a7d67e62b56b6bda199305aed9af2465 100644 (file)
--- a/libavutil/fifo.h
+++ b/libavutil/fifo.h
@@ -102,6 +102,17 @@ int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void
  */
 int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size);
 
+/**
+ * Enlarge an AVFifoBuffer.
+ * In case of reallocation failure, the old FIFO is kept unchanged.
+ * The new fifo size may be larger than the requested size.
+ *
+ * @param f AVFifoBuffer to resize
+ * @param additional_space the amount of space in bytes to allocate in addition to av_fifo_size()
+ * @return <0 for failure, >=0 otherwise
+ */
+int av_fifo_grow(AVFifoBuffer *f, unsigned int additional_space);
+
 /**
  * Read and discard the specified amount of data from an AVFifoBuffer.
  * @param f AVFifoBuffer to read from