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authorJohns <johns98@gmx.net>2012-04-22 17:17:54 +0200
committerJohns <johns98@gmx.net>2012-04-22 17:17:54 +0200
commit207871fd9b534c896f604bdd2988580c8c8f9bc9 (patch)
tree44406b9f6f623e04801334060ac26fd77914ee50 /ringbuffer.c
parentebe0beb40048c90a8128cf81678bd2c250973a1e (diff)
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Make audio ring buffer size a multiple of 3,5,7,8.
Diffstat (limited to 'ringbuffer.c')
-rw-r--r--ringbuffer.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/ringbuffer.c b/ringbuffer.c
index 81722e2..9466852 100644
--- a/ringbuffer.c
+++ b/ringbuffer.c
@@ -49,6 +49,18 @@ struct _ring_buffer_
};
/**
+** Reset ring buffer pointers.
+**
+** @param rb Ring buffer to reset read/write pointers.
+*/
+void RingBufferReset(RingBuffer * rb)
+{
+ rb->ReadPointer = rb->Buffer;
+ rb->WritePointer = rb->Buffer;
+ atomic_set(&rb->Filled, 0);
+}
+
+/**
** Allocate a new ring buffer.
**
** @param size Size of the ring buffer.
@@ -69,10 +81,8 @@ RingBuffer *RingBufferNew(size_t size)
}
rb->Size = size;
- rb->ReadPointer = rb->Buffer;
- rb->WritePointer = rb->Buffer;
rb->BufferEnd = rb->Buffer + size;
- atomic_set(&rb->Filled, 0);
+ RingBufferReset(rb);
return rb;
}
@@ -89,7 +99,7 @@ void RingBufferDel(RingBuffer * rb)
/**
** Advance write pointer in ring buffer.
**
-** @param rb Ring buffer to adance write pointer.
+** @param rb Ring buffer to advance write pointer.
** @param cnt Number of bytes to be adavanced.
**
** @returns Number of bytes that could be advanced in ring buffer.
@@ -198,7 +208,7 @@ size_t RingBufferGetWritePointer(RingBuffer * rb, void **wp)
/**
** Advance read pointer in ring buffer.
**
-** @param rb Ring buffer to adance read pointer.
+** @param rb Ring buffer to advance read pointer.
** @param cnt Number of bytes to be advanced.
**
** @returns Number of bytes that could be advanced in ring buffer.