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Commit a2bfd505 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Bring back the clock thread for RTP output. 

Only now there is one per track rather than one per client per track.
parent 068c9cd5
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Showing with 76 additions and 31 deletions
modules/stream_out/rtp.c
View file @ a2bfd505
......@@ -103,6 +103,7 @@ static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
#define SOUT_CFG_PREFIX "sout-rtp-"
#define MAX_EMPTY_BLOCKS 200
vlc_module_begin();
set_shortname( _("RTP"));
......@@ -162,6 +163,7 @@ static int MuxSend( sout_stream_t *, sout_stream_id_t *,
block_t* );
static sout_access_out_t *GrabberCreate( sout_stream_t *p_sout );
static void ThreadSend( vlc_object_t *p_this );
static void SDPHandleUrl( sout_stream_t *, char * );
......@@ -221,6 +223,8 @@ typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
struct sout_stream_id_t
{
VLC_COMMON_MEMBERS
sout_stream_t *p_stream;
/* rtp field */
uint32_t i_timestamp_start;
......@@ -245,6 +249,9 @@ struct sout_stream_id_t
int fdc;
int *fdv;
rtsp_stream_id_t *rtsp_id;
block_fifo_t *p_fifo;
int64_t i_caching;
};
......@@ -795,6 +802,10 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
int i_port;
char *psz_sdp;
id = vlc_object_create( p_stream, sizeof( sout_stream_id_t ) );
if( id == NULL )
return NULL;
/* Choose the port */
i_port = 0;
if( p_fmt == NULL )
......@@ -824,8 +835,6 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
p_sys->i_port += 2;
}
/* now create the rtp specific stuff */
id = malloc( sizeof( sout_stream_id_t ) );
id->p_stream = p_stream;
id->i_timestamp_start = rand()&0xffffffff;
......@@ -861,7 +870,19 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
vlc_mutex_init( p_stream, &id->lock_sink );
id->fdc = 0;
id->fdv = NULL;
id->rtsp_id = NULL;
id->rtsp_id = NULL;
id->i_caching =
(int64_t)1000 * var_GetInteger( p_stream, SOUT_CFG_PREFIX "caching");
id->p_fifo = block_FifoNew( p_stream );
if( vlc_thread_create( id, "RTP send thread", ThreadSend,
VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
{
vlc_mutex_destroy( &id->lock_sink );
vlc_object_destroy( id );
return NULL;
}
if( p_sys->psz_destination != NULL )
{
......@@ -872,8 +893,9 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
if( fd == -1 )
{
msg_Err( p_stream, "cannot create RTP socket" );
vlc_thread_join( id );
vlc_mutex_destroy( &id->lock_sink );
free( id );
vlc_object_destroy( id );
return NULL;
}
rtp_add_sink( id, fd );
......@@ -1071,8 +1093,9 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
"codec:%4.4s)", (char*)&p_fmt->i_codec );
if( id->fdc > 0 )
rtp_del_sink( id, id->fdv[0] );
vlc_thread_join( id );
vlc_mutex_destroy( &id->lock_sink );
free( id );
vlc_object_destroy( id );
return NULL;
}
......@@ -1104,6 +1127,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
if( p_sys->b_export_sap ) SapSetup( p_stream );
if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
vlc_object_attach( id, p_stream );
return id;
}
......@@ -1111,6 +1135,8 @@ static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
vlc_object_kill( id );
vlc_mutex_lock( &p_sys->lock_es );
TAB_REMOVE( p_sys->i_es, p_sys->es, id );
vlc_mutex_unlock( &p_sys->lock_es );
......@@ -1132,13 +1158,16 @@ static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
if( id->fdc > 0 )
rtp_del_sink( id, id->fdv[0] ); /* sink for explicit dst= */
vlc_thread_join( id );
vlc_mutex_destroy( &id->lock_sink );
block_FifoRelease( id->p_fifo );
/* Update SDP (sap/file) */
if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
free( id );
vlc_object_detach( id );
vlc_object_destroy( id );
return VLC_SUCCESS;
}
......@@ -1263,39 +1292,32 @@ static int HttpCallback( httpd_file_sys_t *p_args,
}
/****************************************************************************
* rtp_packetize_*:
* RTP send
****************************************************************************/
static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
int b_marker, int64_t i_pts )
static void ThreadSend( vlc_object_t *p_this )
{
uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
sout_stream_id_t *id = (sout_stream_id_t *)p_this;
unsigned i_caching = id->i_caching;
out->p_buffer[0] = 0x80;
out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
out->p_buffer[3] = ( id->i_sequence )&0xff;
out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
out->p_buffer[7] = ( i_timestamp )&0xff;
while( !id->b_die )
{
block_t *out = block_FifoGet( id->p_fifo );
mtime_t i_date = out->i_dts + i_caching;
memcpy( out->p_buffer + 8, id->ssrc, 4 );
mwait( i_date );
out->i_buffer = 12;
id->i_sequence++;
}
vlc_mutex_lock( &id->lock_sink );
for( int i = 0; i < id->fdc; i++ )
send( id->fdv[i], out->p_buffer, out->i_buffer, 0 );
vlc_mutex_unlock( &id->lock_sink );
static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
{
int i;
vlc_mutex_lock( &id->lock_sink );
for( i = 0; i < id->fdc; i++ )
{
send( id->fdv[i], out->p_buffer, out->i_buffer, 0 );
block_Release( out );
}
vlc_mutex_unlock( &id->lock_sink );
}
block_Release( out );
static inline void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
{
block_FifoPut( id->p_fifo, out );
}
int rtp_add_sink( sout_stream_id_t *id, int fd )
......@@ -1315,6 +1337,29 @@ void rtp_del_sink( sout_stream_id_t *id, int fd )
net_Close( fd );
}
/****************************************************************************
* rtp_packetize_*:
****************************************************************************/
static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
int b_marker, int64_t i_pts )
{
uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
out->p_buffer[0] = 0x80;
out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
out->p_buffer[3] = ( id->i_sequence )&0xff;
out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
out->p_buffer[7] = ( i_timestamp )&0xff;
memcpy( out->p_buffer + 8, id->ssrc, 4 );
out->i_buffer = 12;
id->i_sequence++;
}
static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
......
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