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lib/raop_buffer.h

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+/**
+ *  Copyright (C) 2011-2012  Juho Vähä-Herttua
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *==================================================================
+ * modified by fduncanh 2021-23
+ */
+
+#ifndef RAOP_BUFFER_H
+#define RAOP_BUFFER_H
+
+#include "logger.h"
+#include "raop_rtp.h"
+
+typedef struct raop_buffer_s raop_buffer_t;
+
+typedef int (*raop_resend_cb_t)(void *opaque, unsigned short seqno, unsigned short count);
+
+raop_buffer_t *raop_buffer_init(logger_t *logger,
+                                const unsigned char *aeskey,
+                                const unsigned char *aesiv);
+int raop_buffer_enqueue(raop_buffer_t *raop_buffer, unsigned char *data, unsigned short datalen, uint64_t *ntp_timestamp, uint64_t *rtp_timestamp, int use_seqnum);
+void *raop_buffer_dequeue(raop_buffer_t *raop_buffer, unsigned int *length, uint64_t *ntp_timestamp, uint64_t *rtp_timestamp, unsigned short *seqnum, int no_resend);
+void raop_buffer_handle_resends(raop_buffer_t *raop_buffer, raop_resend_cb_t resend_cb, void *opaque);
+void raop_buffer_flush(raop_buffer_t *raop_buffer, int next_seq);
+
+int raop_buffer_decrypt(raop_buffer_t *raop_buffer, unsigned char *data, unsigned char* output,
+                        unsigned int datalen, unsigned int *outputlen);
+void raop_buffer_destroy(raop_buffer_t *raop_buffer);
+
+#endif