/*****************************************************************************
* Preamble
*****************************************************************************/
+#include <vlc/vlc.h>
+
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
+#include <assert.h>
-#include <vlc/vlc.h>
#include <vlc_sout.h>
#include <vlc_block.h>
"directly, without trying to fill the MTU (ie, " \
"without trying to make the biggest possible packets " \
"in order to improve streaming)." )
+#define RTCP_TEXT N_("RTCP destination port number")
+#define RTCP_LONGTEXT N_("Sends RTCP packets to this port (0 = auto)")
#define AUTO_MCAST_TEXT N_("Automatic multicast streaming")
#define AUTO_MCAST_LONGTEXT N_("Allocates an outbound multicast address " \
"automatically.")
+#define UDPLITE_TEXT N_("UDP-Lite")
+#define UDPLITE_LONGTEXT N_("Use UDP-Lite/IP instead of normal UDP/IP")
+#define CSCOV_TEXT N_("Checksum coverage")
+#define CSCOV_LONGTEXT N_("Payload bytes covered by layer-4 checksum")
vlc_module_begin();
set_description( _("UDP stream output") );
add_integer( SOUT_CFG_PREFIX "caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
add_integer( SOUT_CFG_PREFIX "group", 1, NULL, GROUP_TEXT, GROUP_LONGTEXT,
VLC_TRUE );
- add_suppressed_integer( SOUT_CFG_PREFIX "late" );
- add_bool( SOUT_CFG_PREFIX "raw", 0, NULL, RAW_TEXT, RAW_LONGTEXT,
+ add_obsolete_integer( SOUT_CFG_PREFIX "late" );
+ add_bool( SOUT_CFG_PREFIX "raw", VLC_FALSE, NULL, RAW_TEXT, RAW_LONGTEXT,
VLC_TRUE );
- add_bool( SOUT_CFG_PREFIX "auto-mcast", 0, NULL, AUTO_MCAST_TEXT,
+ add_integer( SOUT_CFG_PREFIX "rtcp", 0, NULL, RTCP_TEXT, RTCP_LONGTEXT,
+ VLC_TRUE );
+ add_bool( SOUT_CFG_PREFIX "auto-mcast", VLC_FALSE, NULL, AUTO_MCAST_TEXT,
AUTO_MCAST_LONGTEXT, VLC_TRUE );
+ add_bool( SOUT_CFG_PREFIX "udplite", VLC_FALSE, NULL, UDPLITE_TEXT, UDPLITE_LONGTEXT, VLC_TRUE );
+ add_integer( SOUT_CFG_PREFIX "cscov", 12, NULL, CSCOV_TEXT, CSCOV_LONGTEXT, VLC_TRUE );
set_capability( "sout access", 100 );
add_shortcut( "udp" );
add_shortcut( "rtp" ); // Will work only with ts muxer
- add_shortcut( "udplite" );
set_callbacks( Open, Close );
vlc_module_end();
* Exported prototypes
*****************************************************************************/
-static const char *ppsz_sout_options[] = {
+static const char *const ppsz_sout_options[] = {
"auto-mcast",
"caching",
"group",
"raw",
+ "rtcp",
+ "lite",
+ "cscov",
NULL
};
/* Options handled by the libvlc network core */
-static const char *ppsz_core_options[] = {
+static const char *const ppsz_core_options[] = {
"dscp",
"ttl",
"miface",
block_fifo_t *p_empty_blocks;
+ uint32_t sent_pkts;
+ uint32_t sent_bytes;
+ size_t rtcp_size;
+ int rtcp_handle;
+ uint8_t rtcp_data[28 + 8 + (2 * 257)];
+
} sout_access_thread_t;
struct sout_access_out_sys_t
{
- int b_rtpts; // 1 if add rtp/ts header
+ int i_mtu;
+
+ vlc_bool_t b_rtpts; // true for RTP/MP2 encapsulation
+ vlc_bool_t b_mtu_warning;
uint16_t i_sequence_number;
uint32_t i_ssrc;
- int i_mtu;
-
block_t *p_buffer;
sout_access_thread_t *p_thread;
- vlc_bool_t b_mtu_warning;
};
#define DEFAULT_PORT 1234
#define RTP_HEADER_LENGTH 12
+static int OpenRTCP (sout_access_out_t *obj, int proto, uint16_t dport);
+static void SendRTCP (sout_access_thread_t *obj, uint32_t timestamp);
+static void CloseRTCP (sout_access_thread_t *obj);
+
/*****************************************************************************
* Open: open the file
*****************************************************************************/
sout_access_out_sys_t *p_sys;
char *psz_dst_addr = NULL;
- int i_dst_port, proto = IPPROTO_UDP, cscov = 8;
+ int i_dst_port, i_rtcp_port = 0, proto = IPPROTO_UDP;
const char *protoname = "UDP";
int i_handle;
config_ChainParse( p_access, "",
ppsz_core_options, p_access->p_cfg );
+ if (var_Create (p_access, "dst-port", VLC_VAR_INTEGER)
+ || var_Create (p_access, "src-port", VLC_VAR_INTEGER)
+ || var_Create (p_access, "dst-addr", VLC_VAR_STRING)
+ || var_Create (p_access, "src-addr", VLC_VAR_STRING))
+ {
+ return VLC_ENOMEM;
+ }
+
if( !( p_sys = calloc ( 1, sizeof( sout_access_out_sys_t ) ) ) )
{
msg_Err( p_access, "not enough memory" );
- return VLC_EGENERIC;
+ return VLC_ENOMEM;
}
p_access->p_sys = p_sys;
{
if (strcmp (p_access->psz_access, "rtp") == 0)
p_sys->b_rtpts = VLC_TRUE;
- if (strcmp (p_access->psz_access, "udplite") == 0)
- {
- protoname = "UDP-Lite";
- proto = IPPROTO_UDPLITE;
- p_sys->b_rtpts = VLC_TRUE;
- }
}
- if (p_sys->b_rtpts)
- cscov += RTP_HEADER_LENGTH;
+
+ if (var_GetBool (p_access, SOUT_CFG_PREFIX"lite"))
+ {
+ protoname = "UDP-Lite";
+ proto = IPPROTO_UDPLITE;
+ }
i_dst_port = DEFAULT_PORT;
- if (var_CreateGetBool (p_access, SOUT_CFG_PREFIX"auto-mcast"))
+ if (var_GetBool (p_access, SOUT_CFG_PREFIX"auto-mcast"))
{
char buf[INET6_ADDRSTRLEN];
if (MakeRandMulticast (AF_INET, buf, sizeof (buf)) != NULL)
if (psz_parser[0] == '[')
psz_parser = strchr (psz_parser, ']');
- psz_parser = strchr (psz_parser, ':');
+ psz_parser = strchr (psz_parser ?: psz_dst_addr, ':');
if (psz_parser != NULL)
{
*psz_parser++ = '\0';
}
}
- if (var_Create (p_access, "dst-port", VLC_VAR_INTEGER)
- || var_Create (p_access, "src-port", VLC_VAR_INTEGER)
- || var_Create (p_access, "dst-addr", VLC_VAR_STRING)
- || var_Create (p_access, "src-addr", VLC_VAR_STRING))
- return VLC_ENOMEM;
+ /* This option is really only meant for the RTP streaming output
+ * plugin. Doing RTCP for raw UDP will yield weird results. */
+ i_rtcp_port = var_GetInteger (p_access, SOUT_CFG_PREFIX"rtcp");
+ /* If RTCP port is not specified, use the default, if we do RTP/MP2 encap,
+ * or do not use RTCP at all otherwise. */
+ if ((i_rtcp_port == 0) && (p_sys->b_rtpts))
+ i_rtcp_port = i_dst_port + 1;
p_sys->p_thread =
vlc_object_create( p_access, sizeof( sout_access_thread_t ) );
if( !p_sys->p_thread )
{
msg_Err( p_access, "out of memory" );
+ free (p_sys);
+ free (psz_dst_addr);
return VLC_ENOMEM;
}
p_sys->p_thread->p_empty_blocks = block_FifoNew( p_access );
i_handle = net_ConnectDgram( p_this, psz_dst_addr, i_dst_port, -1, proto );
+ free (psz_dst_addr);
+
if( i_handle == -1 )
{
msg_Err( p_access, "failed to create %s socket", protoname );
+ vlc_object_destroy (p_sys->p_thread);
+ free (p_sys);
return VLC_EGENERIC;
}
else
}
}
p_sys->p_thread->i_handle = i_handle;
- net_StopRecv( i_handle );
+ shutdown( i_handle, SHUT_RD );
+ int cscov = var_GetInteger (p_access, SOUT_CFG_PREFIX"cscov");
+ if (cscov)
+ {
+ switch (proto)
+ {
#ifdef UDPLITE_SEND_CSCOV
- if (proto == IPPROTO_UDPLITE)
- setsockopt (i_handle, SOL_UDPLITE, UDPLITE_SEND_CSCOV,
- &cscov, sizeof (cscov));
+ case IPPROTO_UDPLITE:
+ cscov += 8;
+ setsockopt (i_handle, SOL_UDPLITE, UDPLITE_SEND_CSCOV,
+ &(int){ cscov }, sizeof (cscov));
+ break;
+#endif
+#ifdef DCCP_SOCKOPT_RECV_CSCOV
+ /* FIXME: ^^is this the right name ? */
+ /* FIXME: is this inherited by accept() ? */
+ case IPPROTO_DCCP:
+ cscov = ((cscov + 3) >> 2) + 1;
+ if (cscov > 15)
+ break; /* out of DCCP cscov range */
+ setsockopt (i_handle, SOL_DCCP, DCCP_SOCKOPT_RECV_CSCOV,
+ &(int){ cscov }, sizeof (cscov));
+ break;
#endif
+ }
+ }
var_Get( p_access, SOUT_CFG_PREFIX "caching", &val );
p_sys->p_thread->i_caching = (int64_t)val.i_int * 1000;
p_sys->i_mtu = var_CreateGetInteger( p_this, "mtu" );
+ srand( (uint32_t)mdate());
+ p_sys->p_buffer = NULL;
+ p_sys->i_sequence_number = rand()&0xffff;
+ p_sys->i_ssrc = rand()&0xffffffff;
+
+ if (i_rtcp_port && OpenRTCP (p_access, proto, i_rtcp_port))
+ {
+ msg_Err (p_access, "cannot initialize RTCP sender");
+ net_Close (i_handle);
+ vlc_object_destroy (p_sys->p_thread);
+ free (p_sys);
+ return VLC_EGENERIC;
+ }
+
if( vlc_thread_create( p_sys->p_thread, "sout write thread", ThreadWrite,
VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
{
msg_Err( p_access->p_sout, "cannot spawn sout access thread" );
+ net_Close (i_handle);
vlc_object_destroy( p_sys->p_thread );
+ free (p_sys);
return VLC_EGENERIC;
}
- srand( (uint32_t)mdate());
- p_sys->p_buffer = NULL;
- p_sys->i_sequence_number = rand()&0xffff;
- p_sys->i_ssrc = rand()&0xffffffff;
-
var_Get( p_access, SOUT_CFG_PREFIX "raw", &val );
if( val.b_bool ) p_access->pf_write = WriteRaw;
else p_access->pf_write = Write;
p_access->pf_seek = Seek;
- free( psz_dst_addr );
-
/* update p_sout->i_out_pace_nocontrol */
p_access->p_sout->i_out_pace_nocontrol++;
sout_access_out_sys_t *p_sys = p_access->p_sys;
int i;
- p_sys->p_thread->b_die = 1;
+ vlc_object_kill( p_sys->p_thread );
for( i = 0; i < 10; i++ )
{
block_t *p_dummy = block_New( p_access, p_sys->i_mtu );
if( p_sys->p_buffer ) block_Release( p_sys->p_buffer );
net_Close( p_sys->p_thread->i_handle );
+ CloseRTCP (p_sys->p_thread);
vlc_object_detach( p_sys->p_thread );
vlc_object_destroy( p_sys->p_thread );
static int Write( sout_access_out_t *p_access, block_t *p_buffer )
{
sout_access_out_sys_t *p_sys = p_access->p_sys;
+ int i_len = 0;
while( p_buffer )
{
block_t *p_next;
int i_packets = 0;
+ mtime_t now = mdate();
if( !p_sys->b_mtu_warning && p_buffer->i_buffer > p_sys->i_mtu )
{
if( p_sys->p_buffer &&
p_sys->p_buffer->i_buffer + p_buffer->i_buffer > p_sys->i_mtu )
{
- if( p_sys->p_buffer->i_dts + p_sys->p_thread->i_caching < mdate() )
+ if( p_sys->p_buffer->i_dts + p_sys->p_thread->i_caching < now )
{
msg_Dbg( p_access, "late packet for UDP input (" I64Fd ")",
- mdate() - p_sys->p_buffer->i_dts
+ now - p_sys->p_buffer->i_dts
- p_sys->p_thread->i_caching );
}
block_FifoPut( p_sys->p_thread->p_fifo, p_sys->p_buffer );
p_sys->p_buffer = NULL;
}
+ i_len += p_buffer->i_buffer;
while( p_buffer->i_buffer )
{
int i_payload_size = p_sys->i_mtu;
if( p_sys->p_buffer->i_buffer == p_sys->i_mtu || i_packets > 1 )
{
/* Flush */
- if( p_sys->p_buffer->i_dts + p_sys->p_thread->i_caching
- < mdate() )
+ if( p_sys->p_buffer->i_dts + p_sys->p_thread->i_caching < now )
{
msg_Dbg( p_access, "late packet for udp input (" I64Fd ")",
mdate() - p_sys->p_buffer->i_dts
p_buffer = p_next;
}
- return( p_sys->p_thread->b_error ? -1 : 0 );
+ return( p_sys->p_thread->b_error ? -1 : i_len );
}
/*****************************************************************************
{
sout_access_out_sys_t *p_sys = p_access->p_sys;
block_t *p_buf;
+ int i_len;
while ( p_sys->p_thread->p_empty_blocks->i_depth >= MAX_EMPTY_BLOCKS )
{
block_Release( p_buf );
}
+ i_len = p_buffer->i_buffer;
block_FifoPut( p_sys->p_thread->p_fifo, p_buffer );
- return( p_sys->p_thread->b_error ? -1 : 0 );
+ return( p_sys->p_thread->b_error ? -1 : i_len );
}
/*****************************************************************************
}
else
{
- p_buffer = block_FifoGet(p_sys->p_thread->p_empty_blocks );
+ p_buffer = block_FifoGet(p_sys->p_thread->p_empty_blocks );
p_buffer->i_flags = 0;
p_buffer = block_Realloc( p_buffer, 0, p_sys->i_mtu );
}
/* add rtp/ts header */
p_buffer->p_buffer[0] = 0x80;
- p_buffer->p_buffer[1] = 0x21; // mpeg2-ts
+ p_buffer->p_buffer[1] = 33; // mpeg2-ts
- p_buffer->p_buffer[2] = ( p_sys->i_sequence_number >> 8 )&0xff;
- p_buffer->p_buffer[3] = p_sys->i_sequence_number&0xff;
+ SetWBE( p_buffer->p_buffer + 2, p_sys->i_sequence_number );
p_sys->i_sequence_number++;
-
- p_buffer->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
- p_buffer->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
- p_buffer->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
- p_buffer->p_buffer[7] = i_timestamp&0xff;
-
- p_buffer->p_buffer[ 8] = ( p_sys->i_ssrc >> 24 )&0xff;
- p_buffer->p_buffer[ 9] = ( p_sys->i_ssrc >> 16 )&0xff;
- p_buffer->p_buffer[10] = ( p_sys->i_ssrc >> 8 )&0xff;
- p_buffer->p_buffer[11] = p_sys->i_ssrc&0xff;
+ SetDWBE( p_buffer->p_buffer + 4, i_timestamp );
+ SetDWBE( p_buffer->p_buffer + 8, p_sys->i_ssrc );
p_buffer->i_buffer = RTP_HEADER_LENGTH;
}
char strerror_buf[WINSOCK_STRERROR_SIZE];
# define strerror( x ) winsock_strerror( strerror_buf )
#endif
+ size_t rtcp_counter = 0;
while( !p_thread->b_die )
{
while( p_tmp ) { p_tmp = p_tmp->p_next; i++;}
p_tmp = p_thread->p_fifo->p_first;
while( p_tmp ) { p_tmp = p_tmp->p_next; j++;}
- msg_Err( p_thread, "fifo depth: %d/%d, empty blocks: %d/%d",
+ msg_Dbg( p_thread, "fifo depth: %d/%d, empty blocks: %d/%d",
p_thread->p_fifo->i_depth, j,p_thread->p_empty_blocks->i_depth,i );
- }
+ }
#endif
p_pk = block_FifoGet( p_thread->p_fifo );
mwait( i_date );
i_to_send = p_thread->i_group;
}
- if( send( p_thread->i_handle, p_pk->p_buffer, p_pk->i_buffer, 0 )
- == -1 )
+ ssize_t val = send( p_thread->i_handle, p_pk->p_buffer,
+ p_pk->i_buffer, 0 );
+ if (val == -1)
{
msg_Warn( p_thread, "send error: %s", strerror(errno) );
}
+ else
+ {
+ p_thread->sent_pkts++;
+ p_thread->sent_bytes += val;
+ rtcp_counter += val;
+ }
if( i_dropped_packets )
{
}
#endif
+ if ((p_thread->rtcp_handle != -1) && (p_pk->i_buffer >= 8))
+ { // 1.25% rate limit:
+ if ((rtcp_counter / 80) >= p_thread->rtcp_size)
+ {
+ SendRTCP (p_thread, GetDWBE (p_pk->p_buffer + 4));
+ rtcp_counter = 0;
+ }
+ }
+
block_FifoPut( p_thread->p_empty_blocks, p_pk );
i_date_last = i_date;
#ifdef AF_INET6
case AF_INET6:
{
- struct sockaddr_in6 addr;
- memset(&addr, 0, sizeof(addr));
+ struct in6_addr addr;
memcpy (&addr, "\xff\x38\x00\x00" "\x00\x00\x00\x00"
"\x00\x00\x00\x00", 12);
rand |= 0x80000000;
- memcpy (addr.sin6_addr.s6_addr + 12, &(uint32_t){ htonl (rand) }, 4);
-#if defined(WIN32) || defined(UNDER_CE)
- addr.sin6_family = AF_INET6;
- if( 0 == WSAAddressToStringA((LPSOCKADDR)&addr, sizeof(struct sockaddr_in6), NULL, buf, &buflen) )
- {
- buf[buflen] = '\0';
- return buf;
- }
- return NULL;
-#else
- return inet_ntop (family, &(addr.sin6_addr), buf, buflen);
-#endif
+ memcpy (addr.s6_addr + 12, &(uint32_t){ htonl (rand) }, 4);
+ return inet_ntop (family, &addr, buf, buflen);
}
#endif
case AF_INET:
{
- struct sockaddr_in addr;
- memset(&addr, 0, sizeof(addr));
- addr.sin_addr.s_addr = htonl ((rand & 0xffffff) | 0xe8000000);
-#if defined(WIN32) || defined(UNDER_CE)
- addr.sin_family = AF_INET;
- if( 0 == WSAAddressToStringA((LPSOCKADDR)&addr, sizeof(struct sockaddr_in), NULL, buf, &buflen) )
- {
- buf[buflen] = '\0';
- return buf;
- }
- return NULL;
-#else
- return inet_ntop (family, &(addr.sin_addr), buf, buflen);
-#endif
+ struct in_addr addr;
+ addr.s_addr = htonl ((rand & 0xffffff) | 0xe8000000);
+ return inet_ntop (family, &addr, buf, buflen);
}
}
-#if defined(WIN32) || defined(UNDER_CE)
- WSASetLastError(WSAEAFNOSUPPORT);
-#else
+#ifdef EAFNOSUPPORT
errno = EAFNOSUPPORT;
#endif
return NULL;
}
+
+
+/*
+ * NOTE on RTCP implementation:
+ * - there is a single sender (us), no conferencing here! => n = sender = 1,
+ * - as such we need not bother to include Receiver Reports,
+ * - in unicast case, there is a single receiver => members = 1 + 1 = 2,
+ * and obviously n > 25% of members,
+ * - in multicast case, we do not want to maintain the number of receivers
+ * and we assume it is big (i.e. than 3) because that's what broadcasting is
+ * all about,
+ * - it is assumed we_sent = true (could be wrong), since we are THE sender,
+ * - we always send SR + SDES, while running,
+ * - FIXME: we do not implement separate rate limiting for SDES,
+ * - we do not implement any profile-specific extensions for the time being.
+ */
+static int OpenRTCP (sout_access_out_t *obj, int proto, uint16_t dport)
+{
+ sout_access_out_sys_t *p_sys = obj->p_sys;
+ uint8_t *ptr;
+ int fd;
+
+ char src[NI_MAXNUMERICHOST], dst[NI_MAXNUMERICHOST];
+ int sport;
+
+ fd = obj->p_sys->p_thread->i_handle;
+ if (net_GetSockAddress (fd, src, &sport)
+ || net_GetPeerAddress (fd, dst, NULL))
+ return VLC_EGENERIC;
+
+ sport++;
+ fd = net_OpenDgram (obj, src, sport, dst, dport, AF_UNSPEC, proto);
+ if (fd == -1)
+ return VLC_EGENERIC;
+
+ obj->p_sys->p_thread->rtcp_handle = fd;
+
+ ptr = (uint8_t *)strchr (src, '%');
+ if (ptr != NULL)
+ *ptr = '\0'; /* remove scope ID frop IPv6 addresses */
+
+ ptr = obj->p_sys->p_thread->rtcp_data;
+
+ /* Sender report */
+ ptr[0] = 2 << 6; /* V = 2, P = RC = 0 */
+ ptr[1] = 200; /* payload type: Sender Report */
+ SetWBE (ptr + 2, 6); /* length = 6 (7 double words) */
+ SetDWBE (ptr + 4, p_sys->i_ssrc);
+ SetQWBE (ptr + 8, NTPtime64 ());
+ ptr += 28;
+ /* timestamp and counter are handled later */
+
+ /* Source description */
+ uint8_t *sdes = ptr;
+ ptr[0] = (2 << 6) | 1; /* V = 2, P = 0, SC = 1 */
+ ptr[1] = 202; /* payload type: Source Description */
+ uint8_t *lenptr = ptr + 2;
+ SetDWBE (ptr + 4, p_sys->i_ssrc);
+ ptr += 8;
+
+ ptr[0] = 1; /* CNAME - mandatory */
+ assert (NI_MAXNUMERICHOST <= 256);
+ ptr[1] = strlen (src);
+ memcpy (ptr + 2, src, ptr[1]);
+ ptr += ptr[1] + 2;
+
+ static const char tool[] = PACKAGE_STRING;
+ ptr[0] = 6; /* TOOL */
+ ptr[1] = (sizeof (tool) > 256) ? 255 : (sizeof (tool) - 1);
+ memcpy (ptr + 2, tool, ptr[1]);
+ ptr += ptr[1] + 2;
+
+ while ((ptr - sdes) & 3) /* 32-bits padding */
+ *ptr++ = 0;
+ SetWBE (lenptr, ptr - sdes);
+
+ obj->p_sys->p_thread->rtcp_size = ptr - obj->p_sys->p_thread->rtcp_data;
+ return VLC_SUCCESS;
+}
+
+static void CloseRTCP (sout_access_thread_t *obj)
+{
+ if (obj->rtcp_handle == -1)
+ return;
+
+ uint8_t *ptr = obj->rtcp_data;
+ /* Bye */
+ ptr[0] = (2 << 6) | 1; /* V = 2, P = 0, SC = 1 */
+ ptr[1] = 203; /* payload type: Bye */
+ SetWBE (ptr + 2, 1);
+ /* SSRC is already there :) */
+
+ /* We are THE sender, so we are more important than anybody else, so
+ * we can afford not to check bandwidth constraints here. */
+ send (obj->rtcp_handle, obj->rtcp_data, 8, 0);
+ net_Close (obj->rtcp_handle);
+}
+
+static void SendRTCP (sout_access_thread_t *obj, uint32_t timestamp)
+{
+ uint8_t *ptr = obj->rtcp_data;
+
+ uint32_t last = GetDWBE (ptr + 8); // last RTCP SR send time
+ uint64_t now64 = NTPtime64 ();
+ if ((now64 >> 32) < (last + 5))
+ return; // no more than one SR every 5 seconds
+
+ SetQWBE (ptr + 8, now64);
+ SetDWBE (ptr + 16, timestamp);
+ SetDWBE (ptr + 20, obj->sent_pkts);
+ SetDWBE (ptr + 24, obj->sent_bytes);
+
+ send (obj->rtcp_handle, ptr, obj->rtcp_size, 0);
+}
projects / vlc / blobdiff