diff options
| -rw-r--r-- | tools/rtcp.h | 129 | ||||
| -rw-r--r-- | tools/rtp.h | 95 |
2 files changed, 224 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_ */ diff --git a/tools/rtp.h b/tools/rtp.h new file mode 100644 index 00000000..b0f7c50b --- /dev/null +++ b/tools/rtp.h @@ -0,0 +1,95 @@ +/* + * rtp.h: RFC1889: RTP - A Transport Protocol for Real-Time Applications + * + * See the main source file 'xineliboutput.c' for copyright information and + * how to reach the author. + * + * $Id: rtp.h,v 1.1 2006-12-14 12:01:40 phintuka Exp $ + * + */ + +#ifndef XINELIBOUTPUT_RTP_H_ +#define XINELIBOUTPUT_RTP_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 + + +/* Generic RTP header extension */ +typedef struct stream_rtp_header_ext { + + union { + uint8_t raw[4]; + uint32_t rawd; + + struct { + uint16_t type; + uint16_t size; /* Size of ext_data field in DWORDS */ + } PACKED; + } PACKED; + + uint8_t ext_data[0]; + +} PACKED stream_rtp_header_ext_t; + + +/* Common RTP data header */ +typedef struct stream_rtp_header { + + union { + uint8_t raw[12]; + + struct { +#if __BYTE_ORDER == __BIG_ENDIAN + unsigned int version:2; /* protocol version */ + unsigned int padding:1; /* padding flag */ + unsigned int ext:1; /* header extension flag */ + unsigned int cc:4; /* CSRC count */ + + unsigned int marker:1; /* marker bit */ + unsigned int paytype:7; /* payload type */ +#else + unsigned int cc:4; /* CSRC count */ + unsigned int ext:1; /* header extension flag */ + unsigned int padding:1; /* padding flag */ + unsigned int version:2; /* protocol version */ + + unsigned int paytype:7; /* payload type */ + unsigned int marker:1; /* marker bit */ +#endif + uint16_t seq; /* sequence number */ + uint32_t ts; /* timestamp */ + uint32_t ssrc; /* synchronization source */ + + /*uint32_t csrc[0];*/ /* optional CSRC list */ + } PACKED; + } PACKED; + + + union { + stream_rtp_header_ext_t hdr_ext[0]; + uint8_t payload[0]; + } PACKED; + + +} PACKED stream_rtp_header_t; + +#if defined __cplusplus +}; +#endif + +#endif /* XINELIBOUTPUT_RTP_H_ */ + |