avoid code duplication

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@7573 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/libavutil/fifo.c b/libavutil/fifo.c
index 276eeb7463484f800ce2aaee71fd060b165792ba..635df2dbf896247586d7579ef1830697d79e927f 100644 (file)
--- a/libavutil/fifo.c
+++ b/libavutil/fifo.c
@@ -99,9 +99,7 @@ int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void
             memcpy(dest, f->rptr, len);
             dest = (uint8_t*)dest + len;
         }
-        f->rptr += len;
-        if (f->rptr >= f->end)
-            f->rptr = f->buffer;
+        av_fifo_drain(f, len);
         buf_size -= len;
     }
     return 0;