1 files changed, 44 insertions, 0 deletions
diff --git a/src/vdr-plugin/buffer.h b/src/vdr-plugin/buffer.h
new file mode 100644
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+++ b/src/vdr-plugin/buffer.h
@@ -0,0 +1,44 @@
+/*
+ * buffer.h: Web video plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id$
+ */
+
+#ifndef __WEBVIDEO_BUFFER_H
+#define __WEBVIDEO_BUFFER_H
+
+#include <unistd.h>
+
+// --- cMemoryBuffer -------------------------------------------------------
+
+// FIFO character buffer.
+
+class cMemoryBuffer {
+private:
+  char *buf;
+  size_t offset;
+  size_t len;
+  size_t capacity;
+protected:
+  size_t Free() { return capacity-len-offset; }
+  virtual void Realloc(size_t newsize);
+public:
+  cMemoryBuffer(size_t prealloc = 10*1024);
+  virtual ~cMemoryBuffer();
+
+  // Put data into the end of the buffer
+  virtual ssize_t Put(const char *data, size_t length);
+  // Put data from a file descriptor fd to the buffer
+  virtual ssize_t PutFromFile(int fd, size_t length);
+  // The pointer to the beginning of the buffer. Only valid until the
+  // next Put() or PutFromFile().
+  virtual char *Get() { return &buf[offset]; }
+  // Remove first n bytes from the buffer.
+  void Pop(size_t n);
+  // Returns the current length of the buffer
+  virtual size_t Length() { return len; }
+};
+
+#endif // __WEBVIDEO_BUFFER_H