lavu/fifo: add av_fifo_freep function

Function allows to free fifo and reset freed pointer.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/libavutil/fifo.c b/libavutil/fifo.c
index 235b53ce40..e35237c090 100644
--- a/libavutil/fifo.c
+++ b/libavutil/fifo.c
@@ -45,6 +45,14 @@ void av_fifo_free(AVFifoBuffer *f)
     }
 }
 
+void av_fifo_freep(AVFifoBuffer **f)
+{
+    if (f) {
+        av_fifo_free(*f);
+        *f = NULL;
+    }
+}
+
 void av_fifo_reset(AVFifoBuffer *f)
 {
     f->wptr = f->rptr = f->buffer;