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#ifndef _RTCPLIB_H_
#define _RTCPLIB_H_
#include <glib.h>
#include "str.h"
#include "compat.h"
struct rtcp_header {
#if G_BYTE_ORDER == G_BIG_ENDIAN
unsigned version:2; /**< packet type */
unsigned p:1; /**< padding flag */
unsigned count:5; /**< varies by payload type */
#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
unsigned count:5; /**< varies by payload type */
unsigned p:1; /**< padding flag */
unsigned version:2; /**< packet type */
#else
#error "byte order unknown"
#endif
unsigned char pt;
uint16_t length;
} __attribute__ ((packed));
struct rtcp_packet {
struct rtcp_header header;
uint32_t ssrc;
} __attribute__ ((packed));
/* RFC 5761 section 4 */
INLINE bool rtcp_demux_is_rtcp(const str *s) {
struct rtcp_packet *rtcp;
if (s->len < sizeof(*rtcp))
return false;
rtcp = (void *) s->s;
if (rtcp->header.pt < 194)
return false;
if (rtcp->header.pt > 223)
return false;
return true;
}
#endif
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