The new functions provides a more generic interface than
av_fifo_peek2() for peeking data out of a fifo buffer.
---
libavutil/fifo.h | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/libavutil/fifo.h b/libavutil/fifo.h
index 999d0bf..dfc4a47 100644
--- a/libavutil/fifo.h
+++ b/libavutil/fifo.h
@@ -113,4 +113,17 @@ static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int
offs)
ptr -= f->end - f->buffer;
return *ptr;
}
+
+/**
+ * Return a pointer to the data offset by offs stored in the fifo,
+ * without modifying the fifo itself.
+ */
+static inline uint8_t *av_fifo_peek2(const AVFifoBuffer *f, int offs)
+{
+ uint8_t *ptr = f->rptr + offs;
+ if (ptr >= f->end)
+ ptr -= f->end - f->buffer;
+ return ptr;
+}
+
#endif /* AVUTIL_FIFO_H */
--
1.7.2.5
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