- add support for radiotext (needs testing) -> http://www.dbox2world.net/board293-coolstream-hd1/board296-coolstream-software/10635-radiotext-einbauen/

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@1501 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/driver/ringbuffer.h

@@ -0,0 +1,45 @@
+#ifndef _RINGBUFFER_H
+#define _RINGBUFFER_H
+
+#include <sys/types.h>
+
+typedef struct  
+{
+	char *buf;
+	size_t len;
+} ringbuffer_data_t;
+
+typedef struct
+{
+	char *buf;
+	volatile size_t write_ptr;
+	volatile size_t read_ptr;
+	size_t size;
+	size_t size_mask;
+	int mlocked;
+	char *helpbuf;
+	size_t helpbufsize;
+} ringbuffer_t;
+
+ringbuffer_t *ringbuffer_create(int sz);
+void ringbuffer_free(ringbuffer_t *rb);
+
+int ringbuffer_mlock(ringbuffer_t *rb);
+void ringbuffer_reset(ringbuffer_t *rb);
+
+void ringbuffer_write_advance(ringbuffer_t *rb, size_t cnt);
+void ringbuffer_read_advance(ringbuffer_t *rb, size_t cnt);
+
+size_t ringbuffer_write_space(ringbuffer_t *rb);
+size_t ringbuffer_read_space(ringbuffer_t *rb);
+
+size_t ringbuffer_read(ringbuffer_t *rb, char *dest, size_t cnt);
+size_t ringbuffer_write(ringbuffer_t *rb, char *src, size_t cnt);
+
+void ringbuffer_get_read_vector(ringbuffer_t *rb, ringbuffer_data_t *vec);
+void ringbuffer_get_write_vector(ringbuffer_t *rb, ringbuffer_data_t *vec);
+
+size_t ringbuffer_get_readpointer(ringbuffer_t * rb, char **dest, size_t cnt);
+size_t ringbuffer_get_writepointer(ringbuffer_t * rb, char **src, size_t cnt);
+
+#endif