summaryrefslogtreecommitdiff
path: root/pjmedia/src/pjmedia/rtcp.h
diff options
context:
space:
mode:
Diffstat (limited to 'pjmedia/src/pjmedia/rtcp.h')
-rw-r--r--pjmedia/src/pjmedia/rtcp.h384
1 files changed, 192 insertions, 192 deletions
diff --git a/pjmedia/src/pjmedia/rtcp.h b/pjmedia/src/pjmedia/rtcp.h
index b680c1bf..8a8f8909 100644
--- a/pjmedia/src/pjmedia/rtcp.h
+++ b/pjmedia/src/pjmedia/rtcp.h
@@ -1,192 +1,192 @@
-/* $Id$ */
-/*
- * Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef __PJMEDIA_RTCP_H__
-#define __PJMEDIA_RTCP_H__
-
-/**
- * @file rtcp.h
- * @brief RTCP implementation.
- */
-
-#include <pj/types.h>
-#include <pjmedia/rtp.h>
-
-PJ_BEGIN_DECL
-
-
-/**
- * @defgroup PJMED_RTCP RTCP
- * @ingroup PJMEDIA
- * @{
- */
-
-/**
- * RTCP sender report.
- */
-struct pj_rtcp_sr
-{
- pj_uint32_t ssrc;
- pj_uint32_t ntp_sec;
- pj_uint32_t ntp_frac;
- pj_uint32_t rtp_ts;
- pj_uint32_t sender_pcount;
- pj_uint32_t sender_bcount;
-};
-
-typedef struct pj_rtcp_sr pj_rtcp_sr;
-
-/**
- * RTCP receiver report.
- */
-struct pj_rtcp_rr
-{
- pj_uint32_t ssrc;
-#if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0
- pj_uint32_t fract_lost:8;
- pj_uint32_t total_lost_2:8;
- pj_uint32_t total_lost_1:8;
- pj_uint32_t total_lost_0:8;
-#else
- pj_uint32_t fract_lost:8;
- pj_uint32_t total_lost_0:8;
- pj_uint32_t total_lost_1:8;
- pj_uint32_t total_lost_2:8;
-#endif
- pj_uint32_t last_seq;
- pj_uint32_t jitter;
- pj_uint32_t lsr;
- pj_uint32_t dlsr;
-};
-
-typedef struct pj_rtcp_rr pj_rtcp_rr;
-
-/**
- * RTCP common header.
- */
-struct pj_rtcp_common
-{
-#if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0
- unsigned version:2; /* packet type */
- unsigned p:1; /* padding flag */
- unsigned count:5; /* varies by payload type */
- unsigned pt:8; /* payload type */
-#else
- unsigned count:5; /* varies by payload type */
- unsigned p:1; /* padding flag */
- unsigned version:2; /* packet type */
- unsigned pt:8; /* payload type */
-#endif
- pj_uint16_t length; /* packet length */
-};
-
-typedef struct pj_rtcp_common pj_rtcp_common;
-
-/**
- * RTCP packet.
- */
-struct pj_rtcp_pkt
-{
- pj_rtcp_common common;
- pj_rtcp_sr sr;
- pj_rtcp_rr rr; /* variable-length list */
-};
-
-typedef struct pj_rtcp_pkt pj_rtcp_pkt;
-
-/**
- * NTP time representation.
- */
-struct pj_rtcp_ntp_rec
-{
- pj_uint32_t hi;
- pj_uint32_t lo;
-};
-
-typedef struct pj_rtcp_ntp_rec pj_rtcp_ntp_rec;
-
-/**
- * RTCP session.
- */
-struct pj_rtcp_session
-{
- pj_rtcp_pkt rtcp_pkt;
-
- pj_rtp_seq_session seq_ctrl;
-
- pj_uint32_t received; /* packets received */
- pj_uint32_t expected_prior; /* packet expected at last interval */
- pj_uint32_t received_prior; /* packet received at last interval */
- pj_int32_t transit; /* relative trans time for prev pkt */
- pj_uint32_t jitter; /* estimated jitter */
-
- pj_rtcp_ntp_rec rtcp_lsr; /* NTP timestamp in last sender report received */
- unsigned rtcp_lsr_time; /* Time when last RTCP SR is received. */
- unsigned peer_ssrc; /* Peer SSRC */
-
-};
-
-typedef struct pj_rtcp_session pj_rtcp_session;
-
-/**
- * Init RTCP session.
- * @param session The session
- * @param ssrc The SSRC used in to identify the session.
- */
-PJ_DECL(void) pj_rtcp_init( pj_rtcp_session *session, pj_uint32_t ssrc );
-
-/**
- * Deinit RTCP session.
- * @param session The session.
- */
-PJ_DECL(void) pj_rtcp_fini( pj_rtcp_session *session);
-
-/**
- * Call this function everytime an RTP packet is received to let the RTCP
- * session do its internal calculations.
- * @param session The session.
- * @param seq The RTP packet sequence number, in host byte order.
- * @param ts The RTP packet timestamp, in host byte order.
- */
-PJ_DECL(void) pj_rtcp_rx_rtp( pj_rtcp_session *session, pj_uint16_t seq, pj_uint32_t ts );
-
-/**
- * Call this function everytime an RTP packet is sent to let the RTCP session
- * do its internal calculations.
- * @param session The session.
- * @param bytes_payload_size The payload size of the RTP packet (ie packet minus
- * RTP header).
- */
-PJ_DECL(void) pj_rtcp_tx_rtp( pj_rtcp_session *session, pj_uint16_t bytes_payload_size );
-
-/**
- * Build a RTCP SR/RR packet to be transmitted to remote RTP peer.
- * @param session The session.
- * @param rtcp_pkt [output] Upon return, it will contain pointer to the RTCP packet.
- * @param len [output] Upon return, it will indicate the size of the RTCP packet.
- */
-PJ_DECL(void) pj_rtcp_build_rtcp( pj_rtcp_session *session, pj_rtcp_pkt **rtcp_pkt, int *len );
-
-/**
- * @}
- */
-
-PJ_END_DECL
-
-
-#endif /* __PJMEDIA_RTCP_H__ */
+/* $Id$ */
+/*
+ * Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef __PJMEDIA_RTCP_H__
+#define __PJMEDIA_RTCP_H__
+
+/**
+ * @file rtcp.h
+ * @brief RTCP implementation.
+ */
+
+#include <pj/types.h>
+#include <pjmedia/rtp.h>
+
+PJ_BEGIN_DECL
+
+
+/**
+ * @defgroup PJMED_RTCP RTCP
+ * @ingroup PJMEDIA
+ * @{
+ */
+
+/**
+ * RTCP sender report.
+ */
+struct pj_rtcp_sr
+{
+ pj_uint32_t ssrc;
+ pj_uint32_t ntp_sec;
+ pj_uint32_t ntp_frac;
+ pj_uint32_t rtp_ts;
+ pj_uint32_t sender_pcount;
+ pj_uint32_t sender_bcount;
+};
+
+typedef struct pj_rtcp_sr pj_rtcp_sr;
+
+/**
+ * RTCP receiver report.
+ */
+struct pj_rtcp_rr
+{
+ pj_uint32_t ssrc;
+#if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0
+ pj_uint32_t fract_lost:8;
+ pj_uint32_t total_lost_2:8;
+ pj_uint32_t total_lost_1:8;
+ pj_uint32_t total_lost_0:8;
+#else
+ pj_uint32_t fract_lost:8;
+ pj_uint32_t total_lost_0:8;
+ pj_uint32_t total_lost_1:8;
+ pj_uint32_t total_lost_2:8;
+#endif
+ pj_uint32_t last_seq;
+ pj_uint32_t jitter;
+ pj_uint32_t lsr;
+ pj_uint32_t dlsr;
+};
+
+typedef struct pj_rtcp_rr pj_rtcp_rr;
+
+/**
+ * RTCP common header.
+ */
+struct pj_rtcp_common
+{
+#if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0
+ unsigned version:2; /* packet type */
+ unsigned p:1; /* padding flag */
+ unsigned count:5; /* varies by payload type */
+ unsigned pt:8; /* payload type */
+#else
+ unsigned count:5; /* varies by payload type */
+ unsigned p:1; /* padding flag */
+ unsigned version:2; /* packet type */
+ unsigned pt:8; /* payload type */
+#endif
+ pj_uint16_t length; /* packet length */
+};
+
+typedef struct pj_rtcp_common pj_rtcp_common;
+
+/**
+ * RTCP packet.
+ */
+struct pj_rtcp_pkt
+{
+ pj_rtcp_common common;
+ pj_rtcp_sr sr;
+ pj_rtcp_rr rr; /* variable-length list */
+};
+
+typedef struct pj_rtcp_pkt pj_rtcp_pkt;
+
+/**
+ * NTP time representation.
+ */
+struct pj_rtcp_ntp_rec
+{
+ pj_uint32_t hi;
+ pj_uint32_t lo;
+};
+
+typedef struct pj_rtcp_ntp_rec pj_rtcp_ntp_rec;
+
+/**
+ * RTCP session.
+ */
+struct pj_rtcp_session
+{
+ pj_rtcp_pkt rtcp_pkt;
+
+ pj_rtp_seq_session seq_ctrl;
+
+ pj_uint32_t received; /* packets received */
+ pj_uint32_t expected_prior; /* packet expected at last interval */
+ pj_uint32_t received_prior; /* packet received at last interval */
+ pj_int32_t transit; /* relative trans time for prev pkt */
+ pj_uint32_t jitter; /* estimated jitter */
+
+ pj_rtcp_ntp_rec rtcp_lsr; /* NTP timestamp in last sender report received */
+ unsigned rtcp_lsr_time; /* Time when last RTCP SR is received. */
+ unsigned peer_ssrc; /* Peer SSRC */
+
+};
+
+typedef struct pj_rtcp_session pj_rtcp_session;
+
+/**
+ * Init RTCP session.
+ * @param session The session
+ * @param ssrc The SSRC used in to identify the session.
+ */
+PJ_DECL(void) pj_rtcp_init( pj_rtcp_session *session, pj_uint32_t ssrc );
+
+/**
+ * Deinit RTCP session.
+ * @param session The session.
+ */
+PJ_DECL(void) pj_rtcp_fini( pj_rtcp_session *session);
+
+/**
+ * Call this function everytime an RTP packet is received to let the RTCP
+ * session do its internal calculations.
+ * @param session The session.
+ * @param seq The RTP packet sequence number, in host byte order.
+ * @param ts The RTP packet timestamp, in host byte order.
+ */
+PJ_DECL(void) pj_rtcp_rx_rtp( pj_rtcp_session *session, pj_uint16_t seq, pj_uint32_t ts );
+
+/**
+ * Call this function everytime an RTP packet is sent to let the RTCP session
+ * do its internal calculations.
+ * @param session The session.
+ * @param bytes_payload_size The payload size of the RTP packet (ie packet minus
+ * RTP header).
+ */
+PJ_DECL(void) pj_rtcp_tx_rtp( pj_rtcp_session *session, pj_uint16_t bytes_payload_size );
+
+/**
+ * Build a RTCP SR/RR packet to be transmitted to remote RTP peer.
+ * @param session The session.
+ * @param rtcp_pkt [output] Upon return, it will contain pointer to the RTCP packet.
+ * @param len [output] Upon return, it will indicate the size of the RTCP packet.
+ */
+PJ_DECL(void) pj_rtcp_build_rtcp( pj_rtcp_session *session, pj_rtcp_pkt **rtcp_pkt, int *len );
+
+/**
+ * @}
+ */
+
+PJ_END_DECL
+
+
+#endif /* __PJMEDIA_RTCP_H__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-25 06:37:16 +0000