1 files changed, 129 insertions, 0 deletions
diff --git a/tools/rtcp.h b/tools/rtcp.h
new file mode 100644
index 00000000..31ae594a
--- /dev/null
+++ b/tools/rtcp.h
@@ -0,0 +1,129 @@
+/*
+ * rtcp.h: RFC1889: RTCP
+ *
+ * See the main source file 'xineliboutput.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: rtcp.h,v 1.1 2006-12-14 12:01:54 phintuka Exp $
+ *
+ */
+
+#ifndef XINELIBOUTPUT_RTCP_H_
+#define XINELIBOUTPUT_RTCP_H_
+
+#include <endian.h>
+
+#ifndef PACKED
+#  define PACKED __attribute__((packed))
+#endif
+
+#if   __BYTE_ORDER == __BIG_ENDIAN
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#else
+#  error __BYTE_ORDER not defined
+#endif
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+
+/* RTCP packet types */
+typedef enum {
+  RTCP_SR   = 200,
+  RTCP_RR   = 201,
+  RTCP_SDES = 202,
+  RTCP_BYE  = 203,
+  RTCP_APP  = 204
+} rtcp_type_t;
+
+/* RTCP SDES types */
+typedef enum {
+  RTCP_SDES_END   = 0,
+  RTCP_SDES_CNAME = 1,
+
+  RTCP_SDES_NAME  = 2,
+  RTCP_SDES_EMAIL = 3,
+  RTCP_SDES_PHONE = 4,
+  RTCP_SDES_LOC   = 5,
+  RTCP_SDES_TOOL  = 6,
+  RTCP_SDES_NOTE  = 7,
+  RTCP_SDES_PRIV  = 8
+} rtcp_sdes_type_t;
+
+/* RTCP common header word */
+typedef struct {
+  union {
+    uint8_t raw[4];
+    struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+      unsigned int version:2;   /* protocol version */
+      unsigned int padding:1;   /* padding flag */
+      unsigned int count:5;     /* varies by packet type */
+#else
+      unsigned int count:5;     /* varies by packet type */
+      unsigned int padding:1;   /* padding flag */
+      unsigned int version:2;   /* protocol version */
+#endif
+      unsigned int ptype:8;     /* RTCP packet type */
+      
+      uint16_t length;          /* pkt len in words, w/o this word */
+    } PACKED;
+  } PACKED;
+} PACKED rtcp_common_t;
+
+/* RTCP RR (Reception report) */
+typedef struct {
+  uint32_t ssrc;            /* data source being reported */
+  unsigned int fraction:8;  /* fraction lost since last SR/RR */
+  int lost:24;              /* cumul. no. pkts lost (signed!) */
+  uint32_t last_seq;        /* extended last seq. no. received */
+  uint32_t jitter;          /* interarrival jitter */
+  uint32_t lsr;             /* last SR packet from this source */
+  uint32_t dlsr;            /* delay since last SR packet */
+} PACKED rtcp_rr_t;
+
+/* RTCP SR (Sender report) */
+typedef struct {
+  uint32_t ssrc;
+  uint32_t ntp_sec;  /* NTP timestamp, most significant word / seconds */
+  uint32_t ntp_frac;
+  uint32_t rtp_ts;
+  uint32_t psent;    /* packets sent */
+  uint32_t osent;    /* octets sent */
+  rtcp_rr_t rr[0];   /* variable-length list */
+} PACKED rtcp_sr_t;
+
+/* RTCP SDES item */
+typedef struct {
+  uint8_t type;             /* type of item (rtcp_sdes_type_t) */
+  uint8_t length;           /* length of item (in octets) */
+  char    data[0];          /* text, not null-terminated */
+} PACKED rtcp_sdes_item_t;
+
+/* RTCP packet */
+typedef struct {
+  rtcp_common_t hdr;
+  union {
+    rtcp_sr_t sr;
+    struct {
+      uint32_t ssrc;
+      rtcp_rr_t rr[0];
+    } PACKED rr;
+    struct {
+      uint32_t ssrc;      /* first SSRC/CSRC */
+      rtcp_sdes_item_t item[0]; /* list of SDES items */
+    } PACKED sdes;
+    struct {
+      uint32_t src[0];   /* list of sources */
+      /* can't express trailing text for reason */
+    } PACKED bye;
+  } PACKED;
+} PACKED rtcp_packet_t;
+
+
+#if defined __cplusplus
+};
+#endif
+
+#endif /* XINELIBOUTPUT_RTCP_H_ */