/*****************************************************************************
* stream_output.c : stream output module
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: stream_output.c,v 1.6 2002/12/14 21:32:42 fenrir Exp $
+ * Copyright (C) 2002-2007 the VideoLAN team
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
- * Erioc Petit <titer@videolan.org>
+ * Eric Petit <titer@videolan.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
*
* 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc/vlc.h>
+
#include <stdlib.h> /* free() */
#include <stdio.h> /* sprintf() */
-#include <string.h> /* strerror() */
+#include <string.h>
-#include <vlc/vlc.h>
+#include <vlc_sout.h>
+#include <vlc_playlist.h>
+
+#include "stream_output.h"
+
+#include <vlc_meta.h>
+
+#include "input/input_internal.h"
-#include <vlc/sout.h>
#undef DEBUG_BUFFER
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int InitInstance ( sout_instance_t * );
+#define sout_stream_url_to_chain( p, s ) \
+ _sout_stream_url_to_chain( VLC_OBJECT(p), s )
+static char *_sout_stream_url_to_chain( vlc_object_t *, const char * );
+
+/*
+ * Generic MRL parser
+ *
+ */
+
+typedef struct
+{
+ char *psz_access;
+ char *psz_way;
+ char *psz_name;
+} mrl_t;
+
+/* mrl_Parse: parse psz_mrl and fill p_mrl */
+static int mrl_Parse( mrl_t *p_mrl, const char *psz_mrl );
+/* mrl_Clean: clean p_mrl after a call to mrl_Parse */
+static void mrl_Clean( mrl_t *p_mrl );
/*****************************************************************************
* sout_NewInstance: creates a new stream output instance
*****************************************************************************/
-sout_instance_t * __sout_NewInstance ( vlc_object_t *p_parent,
- char * psz_dest )
+sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
{
- sout_instance_t * p_sout;
+ sout_instance_t *p_sout;
- /* Allocate descriptor */
+ /* *** Allocate descriptor *** */
p_sout = vlc_object_create( p_parent, VLC_OBJECT_SOUT );
if( p_sout == NULL )
{
return NULL;
}
- p_sout->psz_dest = strdup( psz_dest );
+ /* *** init descriptor *** */
+ p_sout->psz_sout = strdup( psz_dest );
+ p_sout->p_meta = NULL;
+ p_sout->i_out_pace_nocontrol = 0;
+ p_sout->p_sys = NULL;
- if ( InitInstance( p_sout ) == -1 )
+ vlc_mutex_init( p_sout, &p_sout->lock );
+ if( psz_dest && psz_dest[0] == '#' )
{
- vlc_object_destroy( p_sout );
- return NULL;
+ p_sout->psz_chain = strdup( &psz_dest[1] );
}
+ else
+ {
+ p_sout->psz_chain = sout_stream_url_to_chain( p_sout, psz_dest );
+ msg_Dbg( p_sout, "using sout chain=`%s'", p_sout->psz_chain );
+ }
+ p_sout->p_stream = NULL;
+ /* attach it for inherit */
vlc_object_attach( p_sout, p_parent );
+ /* */
+ var_Create( p_sout, "sout-mux-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+
+ /* */
+ p_sout->p_stream = sout_StreamNew( p_sout, p_sout->psz_chain );
+ if( p_sout->p_stream == NULL )
+ {
+ msg_Err( p_sout, "stream chain failed for `%s'", p_sout->psz_chain );
+
+ FREENULL( p_sout->psz_sout );
+ FREENULL( p_sout->psz_chain );
+
+ vlc_object_detach( p_sout );
+ vlc_object_release( p_sout );
+ return NULL;
+ }
+
return p_sout;
}
/*****************************************************************************
- * InitInstance: opens appropriate modules
+ * sout_DeleteInstance: delete a previously allocated instance
*****************************************************************************/
-static int InitInstance( sout_instance_t * p_sout )
+void sout_DeleteInstance( sout_instance_t * p_sout )
{
- /* Parse dest string. Syntax : [[<access>][/<mux>]:][<dest>] */
- /* This code is identical to input.c:InitThread. FIXME : factorize it ? */
- char * psz_parser = p_sout->psz_dest;
-
- p_sout->psz_access = "";
- p_sout->psz_mux = "";
- p_sout->psz_name = "";
- p_sout->p_access = NULL;
- p_sout->p_mux = NULL;
- p_sout->i_nb_inputs = 0;
- p_sout->pp_inputs = NULL;
- vlc_mutex_init( p_sout, &p_sout->lock );
+ /* remove the stream out chain */
+ sout_StreamDelete( p_sout->p_stream );
- /* Skip the plug-in names */
- while( *psz_parser && *psz_parser != ':' )
- {
- psz_parser++;
- }
-#if defined( WIN32 ) || defined( UNDER_CE )
- if( psz_parser - p_sout->psz_dest == 1 )
- {
- msg_Warn( p_sout, "drive letter %c: found in source string",
- p_sout->psz_dest ) ;
- psz_parser = "";
- }
-#endif
+ /* *** free all string *** */
+ FREENULL( p_sout->psz_sout );
+ FREENULL( p_sout->psz_chain );
- if( !*psz_parser )
+ /* delete meta */
+ if( p_sout->p_meta )
{
- p_sout->psz_access = p_sout->psz_mux = "";
- p_sout->psz_name = p_sout->psz_dest;
+ vlc_meta_Delete( p_sout->p_meta );
}
- else
- {
- *psz_parser++ = '\0';
- /* let's skip '//' */
- if( psz_parser[0] == '/' && psz_parser[1] == '/' )
- {
- psz_parser += 2 ;
- }
+ vlc_mutex_destroy( &p_sout->lock );
- p_sout->psz_name = psz_parser ;
+ /* *** free structure *** */
+ vlc_object_release( p_sout );
+}
- /* Come back to parse the access and mux plug-ins */
- psz_parser = p_sout->psz_dest;
+/*****************************************************************************
+ *
+ *****************************************************************************/
+void sout_UpdateStatistic( sout_instance_t *p_sout, sout_statistic_t i_type, int i_delta )
+{
+ input_thread_t *p_input;
+ int i_bytes; /* That's pretty stupid to define it as an integer, it will overflow
+ really fast ... */
- if( !*psz_parser )
- {
- /* No access */
- p_sout->psz_access = "";
- }
- else if( *psz_parser == '/' )
- {
- /* No access */
- p_sout->psz_access = "";
- psz_parser++;
- }
- else
- {
- p_sout->psz_access = psz_parser;
+ if( !p_sout->p_libvlc->b_stats )
+ return;
- while( *psz_parser && *psz_parser != '/' )
- {
- psz_parser++;
- }
+ /* FIXME that's ugly
+ * TODO add a private (ie not VLC_EXPORTed) input_UpdateStatistic for that */
+ p_input = vlc_object_find( p_sout, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( !p_input || p_input->i_state == INIT_S || p_input->i_state == ERROR_S )
+ return;
- if( *psz_parser == '/' )
- {
- *psz_parser++ = '\0';
- }
- }
+ switch( i_type )
+ {
+#define I(c) stats_UpdateInteger( p_input, p_input->p->counters.c, i_delta, NULL )
+ case SOUT_STATISTIC_DECODED_VIDEO:
+ I(p_decoded_video);
+ break;
+ case SOUT_STATISTIC_DECODED_AUDIO:
+ I(p_decoded_audio);
+ break;
+ case SOUT_STATISTIC_DECODED_SUBTITLE:
+ I(p_decoded_sub);
+ break;
+#if 0
+ case SOUT_STATISTIC_ENCODED_VIDEO:
+ case SOUT_STATISTIC_ENCODED_AUDIO:
+ case SOUT_STATISTIC_ENCODED_SUBTITLE:
+ msg_Warn( p_sout, "Not yet supported statistic type %d", i_type );
+ break;
+#endif
- if( !*psz_parser )
- {
- /* No mux */
- p_sout->psz_mux = "";
- }
- else
- {
- p_sout->psz_mux = psz_parser;
- }
+ case SOUT_STATISTIC_SENT_PACKET:
+ I(p_sout_sent_packets);
+ break;
+#undef I
+ case SOUT_STATISTIC_SENT_BYTE:
+ if( !stats_UpdateInteger( p_input, p_input->p->counters.p_sout_sent_bytes, i_delta, &i_bytes ) )
+ stats_UpdateFloat( p_input, p_input->p->counters.p_sout_send_bitrate, i_bytes, NULL );
+ break;
+
+ default:
+ msg_Err( p_sout, "Invalid statistic type %d (internal error)", i_type );
+ break;
}
+ vlc_object_release( p_input );
+}
+/*****************************************************************************
+ * Packetizer/Input
+ *****************************************************************************/
+sout_packetizer_input_t *sout_InputNew( sout_instance_t *p_sout,
+ es_format_t *p_fmt )
+{
+ sout_packetizer_input_t *p_input;
- msg_Dbg( p_sout, "access `%s', mux `%s', name `%s'",
- p_sout->psz_access, p_sout->psz_mux, p_sout->psz_name );
-
+ msg_Dbg( p_sout, "adding a new input" );
- /* Find and open appropriate access module */
- p_sout->p_access =
- module_Need( p_sout, "sout access", p_sout->psz_access );
+ /* *** create a packetizer input *** */
+ p_input = malloc( sizeof( sout_packetizer_input_t ) );
+ p_input->p_sout = p_sout;
+ p_input->p_fmt = p_fmt;
- if( p_sout->p_access == NULL )
+ if( p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
{
- msg_Err( p_sout, "no suitable sout access module for `%s/%s://%s'",
- p_sout->psz_access, p_sout->psz_mux, p_sout->psz_name );
- return -1;
+ vlc_object_release( p_sout );
+ return p_input;
}
- /* Find and open appropriate mux module */
- p_sout->p_mux =
- module_Need( p_sout, "sout mux", p_sout->psz_mux );
+ /* *** add it to the stream chain */
+ vlc_mutex_lock( &p_sout->lock );
+ p_input->id = p_sout->p_stream->pf_add( p_sout->p_stream, p_fmt );
+ vlc_mutex_unlock( &p_sout->lock );
- if( p_sout->p_mux == NULL )
+ if( p_input->id == NULL )
{
- msg_Err( p_sout, "no suitable mux module for `%s/%s://%s'",
- p_sout->psz_access, p_sout->psz_mux, p_sout->psz_name );
- module_Unneed( p_sout, p_sout->p_access );
- return -1;
+ free( p_input );
+ return NULL;
}
- p_sout->i_nb_inputs = 0;
- p_sout->pp_inputs = NULL;
-
- return 0;
+ return( p_input );
}
-
/*****************************************************************************
- * sout_DeleteInstance: delete a previously allocated instance
+ *
*****************************************************************************/
-void sout_DeleteInstance( sout_instance_t * p_sout )
+int sout_InputDelete( sout_packetizer_input_t *p_input )
{
- /* Unlink object */
- vlc_object_detach( p_sout );
- if( p_sout->p_mux )
- {
- module_Unneed( p_sout, p_sout->p_mux );
- }
- if( p_sout->p_access )
+ sout_instance_t *p_sout = p_input->p_sout;
+
+ msg_Dbg( p_sout, "removing an input" );
+
+ if( p_input->p_fmt->i_codec != VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
{
- module_Unneed( p_sout, p_sout->p_access );
+ vlc_mutex_lock( &p_sout->lock );
+ p_sout->p_stream->pf_del( p_sout->p_stream, p_input->id );
+ vlc_mutex_unlock( &p_sout->lock );
}
- vlc_mutex_destroy( &p_sout->lock );
+ free( p_input );
- /* Free structure */
- vlc_object_destroy( p_sout );
+ return( VLC_SUCCESS);
}
-
/*****************************************************************************
*
*****************************************************************************/
-sout_input_t *__sout_InputNew( vlc_object_t *p_this,
- sout_packet_format_t *p_format )
+int sout_InputSendBuffer( sout_packetizer_input_t *p_input,
+ block_t *p_buffer )
{
- sout_instance_t *p_sout = NULL;
- sout_input_t *p_input;
- int i_try;
+ sout_instance_t *p_sout = p_input->p_sout;
+ int i_ret;
- /* search an stream output */
- for( i_try = 0; i_try < 200; i_try++ )
+ if( p_input->p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
{
- p_sout = vlc_object_find( p_this, VLC_OBJECT_SOUT, FIND_ANYWHERE );
- if( !p_sout )
- {
- msleep( 100*1000 );
- msg_Dbg( p_this, "waiting for sout" );
- }
- else
- {
- break;
- }
+ block_Release( p_buffer );
+ return VLC_SUCCESS;
}
-
- if( !p_sout )
+ if( p_buffer->i_dts <= 0 )
{
- msg_Err( p_this, "cannot find any stream ouput" );
- return( NULL );
+ msg_Warn( p_sout, "trying to send non-dated packet to stream output!");
+ block_Release( p_buffer );
+ return VLC_SUCCESS;
}
- msg_Dbg( p_sout, "adding a new input" );
+ vlc_mutex_lock( &p_sout->lock );
+ i_ret = p_sout->p_stream->pf_send( p_sout->p_stream,
+ p_input->id, p_buffer );
+ vlc_mutex_unlock( &p_sout->lock );
- /* create a new sout input */
- p_input = malloc( sizeof( sout_input_t ) );
+ return i_ret;
+}
- p_input->p_sout = p_sout;
- vlc_mutex_init( p_sout, &p_input->lock );
- memcpy( &p_input->input_format,
- p_format,
- sizeof( sout_packet_format_t ) );
- p_input->p_fifo = sout_FifoCreate( p_sout );
- p_input->p_mux_data = NULL;
-
- /* add this new one to p_sout */
- vlc_mutex_lock( &p_sout->lock );
- if( p_sout->i_nb_inputs == 0 )
+/*****************************************************************************
+ * sout_AccessOutNew: allocate a new access out
+ *****************************************************************************/
+sout_access_out_t *sout_AccessOutNew( sout_instance_t *p_sout,
+ const char *psz_access, const char *psz_name )
+{
+ sout_access_out_t *p_access;
+ char *psz_next;
+
+ if( !( p_access = vlc_object_create( p_sout,
+ sizeof( sout_access_out_t ) ) ) )
{
- p_sout->pp_inputs = malloc( sizeof( sout_input_t * ) );
+ msg_Err( p_sout, "out of memory" );
+ return NULL;
}
- else
+
+ psz_next = config_ChainCreate( &p_access->psz_access, &p_access->p_cfg,
+ psz_access );
+ free( psz_next );
+ p_access->psz_path = strdup( psz_name ? psz_name : "" );
+ p_access->p_sout = p_sout;
+ p_access->p_sys = NULL;
+ p_access->pf_seek = NULL;
+ p_access->pf_read = NULL;
+ p_access->pf_write = NULL;
+ p_access->pf_control = NULL;
+ p_access->p_module = NULL;
+
+ p_access->i_writes = 0;
+ p_access->i_sent_bytes = 0;
+
+ vlc_object_attach( p_access, p_sout );
+
+ p_access->p_module =
+ module_Need( p_access, "sout access", p_access->psz_access, VLC_TRUE );
+
+ if( !p_access->p_module )
{
- p_sout->pp_inputs = realloc( p_sout->pp_inputs,
- sizeof( sout_input_t * ) *
- ( p_sout->i_nb_inputs + 1 ) );
+ free( p_access->psz_access );
+ free( p_access->psz_path );
+ vlc_object_detach( p_access );
+ vlc_object_release( p_access );
+ return( NULL );
}
- p_sout->pp_inputs[p_sout->i_nb_inputs] = p_input;
- p_sout->i_nb_inputs++;
- if( p_sout->pf_mux_addstream( p_sout, p_input ) < 0 )
+ return p_access;
+}
+/*****************************************************************************
+ * sout_AccessDelete: delete an access out
+ *****************************************************************************/
+void sout_AccessOutDelete( sout_access_out_t *p_access )
+{
+ vlc_object_detach( p_access );
+ if( p_access->p_module )
{
- /* vlc_mutex_unlock( &p_sout->lock ); */
- msg_Err( p_sout, "cannot add this stream" );
- /* FIXME FIXME */
+ module_Unneed( p_access, p_access->p_module );
}
- vlc_mutex_unlock( &p_sout->lock );
+ free( p_access->psz_access );
- vlc_object_release( p_sout );
+ config_ChainDestroy( p_access->p_cfg );
- return( p_input );
-}
+ free( p_access->psz_path );
+ vlc_object_release( p_access );
+}
-int sout_InputDelete( sout_input_t *p_input )
+/*****************************************************************************
+ * sout_AccessSeek:
+ *****************************************************************************/
+int sout_AccessOutSeek( sout_access_out_t *p_access, off_t i_pos )
{
- sout_instance_t *p_sout = p_input->p_sout;
- int i_input;
+ return p_access->pf_seek( p_access, i_pos );
+}
+/*****************************************************************************
+ * sout_AccessRead:
+ *****************************************************************************/
+ssize_t sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
+{
+ return( p_access->pf_read ?
+ p_access->pf_read( p_access, p_buffer ) : VLC_EGENERIC );
+}
- vlc_mutex_lock( &p_sout->lock );
- for( i_input = 0; i_input < p_sout->i_nb_inputs; i_input++ )
+/*****************************************************************************
+ * sout_AccessWrite:
+ *****************************************************************************/
+ssize_t sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
+{
+ const unsigned i_packets_gather = 30;
+ p_access->i_writes++;
+ p_access->i_sent_bytes += p_buffer->i_buffer;
+ if( (p_access->i_writes % i_packets_gather) == 0 )
{
- if( p_sout->pp_inputs[i_input] == p_input )
- {
- break;
- }
+ sout_UpdateStatistic( p_access->p_sout, SOUT_STATISTIC_SENT_PACKET, i_packets_gather );
+ sout_UpdateStatistic( p_access->p_sout, SOUT_STATISTIC_SENT_BYTE, p_access->i_sent_bytes );
+ p_access->i_sent_bytes = 0;
}
+ return p_access->pf_write( p_access, p_buffer );
+}
- if( i_input >= p_sout->i_nb_inputs )
- {
- msg_Err( p_sout, "cannot find input to delete" );
- return( -1 );
- }
+/**
+ * sout_AccessOutControl
+ */
+int sout_AccessOutControl (sout_access_out_t *access, int query, va_list args)
+{
+ return (access->pf_control) ? access->pf_control (access, query, args)
+ : VLC_EGENERIC;
+}
- msg_Dbg( p_sout, "removing an input" );
+/*****************************************************************************
+ * sout_MuxNew: create a new mux
+ *****************************************************************************/
+sout_mux_t * sout_MuxNew( sout_instance_t *p_sout, char *psz_mux,
+ sout_access_out_t *p_access )
+{
+ sout_mux_t *p_mux;
+ char *psz_next;
- if( p_sout->pf_mux_delstream( p_sout, p_input ) < 0 )
+ p_mux = vlc_object_create( p_sout, sizeof( sout_mux_t ) );
+ if( p_mux == NULL )
{
- msg_Err( p_sout, "cannot del this stream" );
- /* FIXME FIXME */
+ msg_Err( p_sout, "out of memory" );
+ return NULL;
}
- /* remove the entry */
- if( p_sout->i_nb_inputs > 1 )
+ p_mux->p_sout = p_sout;
+ psz_next = config_ChainCreate( &p_mux->psz_mux, &p_mux->p_cfg, psz_mux );
+ free( psz_next );
+
+ p_mux->p_access = p_access;
+ p_mux->pf_control = NULL;
+ p_mux->pf_addstream = NULL;
+ p_mux->pf_delstream = NULL;
+ p_mux->pf_mux = NULL;
+ p_mux->i_nb_inputs = 0;
+ p_mux->pp_inputs = NULL;
+
+ p_mux->p_sys = NULL;
+ p_mux->p_module = NULL;
+
+ p_mux->b_add_stream_any_time = VLC_FALSE;
+ p_mux->b_waiting_stream = VLC_TRUE;
+ p_mux->i_add_stream_start = -1;
+
+ vlc_object_attach( p_mux, p_sout );
+
+ p_mux->p_module =
+ module_Need( p_mux, "sout mux", p_mux->psz_mux, VLC_TRUE );
+
+ if( p_mux->p_module == NULL )
{
- memmove( &p_sout->pp_inputs[i_input],
- &p_sout->pp_inputs[i_input+1],
- (p_sout->i_nb_inputs - i_input - 1) * sizeof( sout_input_t*) );
+ FREENULL( p_mux->psz_mux );
+
+ vlc_object_detach( p_mux );
+ vlc_object_release( p_mux );
+ return NULL;
}
- else
+
+ /* *** probe mux capacity *** */
+ if( p_mux->pf_control )
{
- free( p_sout->pp_inputs );
- }
- p_sout->i_nb_inputs--;
+ int b_answer = VLC_FALSE;
+
+ if( sout_MuxControl( p_mux, MUX_CAN_ADD_STREAM_WHILE_MUXING,
+ &b_answer ) )
+ {
+ b_answer = VLC_FALSE;
+ }
- /* FIXME --> send message to mux to declare this stream removing */
+ if( b_answer )
+ {
+ msg_Dbg( p_sout, "muxer support adding stream at any time" );
+ p_mux->b_add_stream_any_time = VLC_TRUE;
+ p_mux->b_waiting_stream = VLC_FALSE;
- sout_FifoDestroy( p_sout, p_input->p_fifo );
- vlc_mutex_destroy( &p_input->lock );
- free( p_input );
+ /* If we control the output pace then it's better to wait before
+ * starting muxing (generates better streams/files). */
+ if( !p_sout->i_out_pace_nocontrol )
+ {
+ b_answer = VLC_TRUE;
+ }
+ else if( sout_MuxControl( p_mux, MUX_GET_ADD_STREAM_WAIT,
+ &b_answer ) )
+ {
+ b_answer = VLC_FALSE;
+ }
- if( p_sout->i_nb_inputs == 0 )
- {
- msg_Warn( p_sout, "no more input stream" );
+ if( b_answer )
+ {
+ msg_Dbg( p_sout, "muxer prefers to wait for all ES before "
+ "starting to mux" );
+ p_mux->b_waiting_stream = VLC_TRUE;
+ }
+ }
}
- vlc_mutex_unlock( &p_sout->lock );
- return( 0 );
+ return p_mux;
}
-
-int sout_InputSendBuffer( sout_input_t *p_input, sout_buffer_t *p_buffer )
+/*****************************************************************************
+ * sout_MuxDelete:
+ *****************************************************************************/
+void sout_MuxDelete( sout_mux_t *p_mux )
{
-/* msg_Dbg( p_input->p_sout,
- "send buffer, size:%d", p_buffer->i_size ); */
- sout_FifoPut( p_input->p_fifo, p_buffer );
-
- vlc_mutex_lock( &p_input->p_sout->lock );
- p_input->p_sout->pf_mux( p_input->p_sout );
- vlc_mutex_unlock( &p_input->p_sout->lock );
- return( 0 );
+ vlc_object_detach( p_mux );
+ if( p_mux->p_module )
+ {
+ module_Unneed( p_mux, p_mux->p_module );
+ }
+ free( p_mux->psz_mux );
+
+ config_ChainDestroy( p_mux->p_cfg );
+
+ vlc_object_release( p_mux );
}
-sout_fifo_t *sout_FifoCreate( sout_instance_t *p_sout )
+/*****************************************************************************
+ * sout_MuxAddStream:
+ *****************************************************************************/
+sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, es_format_t *p_fmt )
{
- sout_fifo_t *p_fifo;
+ sout_input_t *p_input;
- if( !( p_fifo = malloc( sizeof( sout_fifo_t ) ) ) )
+ if( !p_mux->b_add_stream_any_time && !p_mux->b_waiting_stream )
{
- return( NULL );
+ msg_Err( p_mux, "cannot add a new stream (unsupported while muxing "
+ "to this format). You can try increasing sout-mux-caching value" );
+ return NULL;
}
- vlc_mutex_init( p_sout, &p_fifo->lock );
- vlc_cond_init ( p_sout, &p_fifo->wait );
- p_fifo->i_depth = 0;
- p_fifo->p_first = NULL;
- p_fifo->pp_last = &p_fifo->p_first;
+ msg_Dbg( p_mux, "adding a new input" );
+
+ /* create a new sout input */
+ p_input = malloc( sizeof( sout_input_t ) );
+ if( !p_input )
+ {
+ msg_Err( p_mux, "out of memory" );
+ return NULL;
+ }
+ p_input->p_sout = p_mux->p_sout;
+ p_input->p_fmt = p_fmt;
+ p_input->p_fifo = block_FifoNew( p_mux->p_sout );
+ p_input->p_sys = NULL;
- return( p_fifo );
+ TAB_APPEND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
+ if( p_mux->pf_addstream( p_mux, p_input ) < 0 )
+ {
+ msg_Err( p_mux, "cannot add this stream" );
+ TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
+ block_FifoRelease( p_input->p_fifo );
+ free( p_input );
+ return NULL;
+ }
+
+ return p_input;
}
-void sout_FifoFree( sout_instance_t *p_sout, sout_fifo_t *p_fifo )
+/*****************************************************************************
+ * sout_MuxDeleteStream:
+ *****************************************************************************/
+void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
- sout_buffer_t *p_buffer;
+ int i_index;
- vlc_mutex_lock( &p_fifo->lock );
- p_buffer = p_fifo->p_first;
- while( p_buffer )
+ if( p_mux->b_waiting_stream
+ && block_FifoCount( p_input->p_fifo ) > 0 )
{
- sout_buffer_t *p_next;
- p_next = p_buffer->p_next;
- sout_BufferDelete( p_sout, p_buffer );
- p_buffer = p_next;
+ /* We stop waiting, and call the muxer for taking care of the data
+ * before we remove this es */
+ p_mux->b_waiting_stream = VLC_FALSE;
+ p_mux->pf_mux( p_mux );
}
- vlc_mutex_unlock( &p_fifo->lock );
- return;
-}
-void sout_FifoDestroy( sout_instance_t *p_sout, sout_fifo_t *p_fifo )
-{
- sout_FifoFree( p_sout, p_fifo );
- vlc_mutex_destroy( &p_fifo->lock );
- vlc_cond_destroy ( &p_fifo->wait );
+ TAB_FIND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input, i_index );
+ if( i_index >= 0 )
+ {
+ if( p_mux->pf_delstream( p_mux, p_input ) < 0 )
+ {
+ msg_Err( p_mux, "cannot delete this stream from mux" );
+ }
+
+ /* remove the entry */
+ TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
- free( p_fifo );
+ if( p_mux->i_nb_inputs == 0 )
+ {
+ msg_Warn( p_mux, "no more input streams for this mux" );
+ }
+
+ block_FifoRelease( p_input->p_fifo );
+ free( p_input );
+ }
}
-void sout_FifoPut( sout_fifo_t *p_fifo, sout_buffer_t *p_buffer )
+/*****************************************************************************
+ * sout_MuxSendBuffer:
+ *****************************************************************************/
+void sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
+ block_t *p_buffer )
{
- vlc_mutex_lock( &p_fifo->lock );
+ block_FifoPut( p_input->p_fifo, p_buffer );
- do
+ if( p_mux->p_sout->i_out_pace_nocontrol )
{
- *p_fifo->pp_last = p_buffer;
- p_fifo->pp_last = &p_buffer->p_next;
- p_fifo->i_depth++;
+ mtime_t current_date = mdate();
+ if ( current_date > p_buffer->i_dts )
+ msg_Warn( p_mux, "late buffer for mux input ("I64Fd")",
+ current_date - p_buffer->i_dts );
+ }
- p_buffer = p_buffer->p_next;
+ if( p_mux->b_waiting_stream )
+ {
+ const int64_t i_caching = var_GetInteger( p_mux->p_sout, "sout-mux-caching" ) * I64C(1000);
- } while( p_buffer );
+ if( p_mux->i_add_stream_start < 0 )
+ p_mux->i_add_stream_start = p_buffer->i_dts;
- /* warm there is data in this fifo */
- vlc_cond_signal( &p_fifo->wait );
- vlc_mutex_unlock( &p_fifo->lock );
+ /* Wait until we have enought data before muxing */
+ if( p_mux->i_add_stream_start < 0 ||
+ p_buffer->i_dts < p_mux->i_add_stream_start + i_caching )
+ return;
+ p_mux->b_waiting_stream = VLC_FALSE;
+ }
+ p_mux->pf_mux( p_mux );
}
-sout_buffer_t *sout_FifoGet( sout_fifo_t *p_fifo )
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static int mrl_Parse( mrl_t *p_mrl, const char *psz_mrl )
{
- sout_buffer_t *p_buffer;
+ char * psz_dup = strdup( psz_mrl );
+ char * psz_parser = psz_dup;
+ const char * psz_access;
+ const char * psz_way;
+ char * psz_name;
- vlc_mutex_lock( &p_fifo->lock );
+ /* *** first parse psz_dest */
+ while( *psz_parser && *psz_parser != ':' )
+ {
+ if( *psz_parser == '{' )
+ {
+ while( *psz_parser && *psz_parser != '}' )
+ {
+ psz_parser++;
+ }
+ if( *psz_parser )
+ {
+ psz_parser++;
+ }
+ }
+ else
+ {
+ psz_parser++;
+ }
+ }
+#if defined( WIN32 ) || defined( UNDER_CE )
+ if( psz_parser - psz_dup == 1 )
+ {
+ /* msg_Warn( p_sout, "drive letter %c: found in source string",
+ *psz_dup ) ; */
+ psz_parser = "";
+ }
+#endif
- if( p_fifo->p_first == NULL )
+ if( !*psz_parser )
{
- vlc_cond_wait( &p_fifo->wait, &p_fifo->lock );
+ psz_access = psz_way = "";
+ psz_name = psz_dup;
}
+ else
+ {
+ *psz_parser++ = '\0';
- p_buffer = p_fifo->p_first;
+ /* let's skip '//' */
+ if( psz_parser[0] == '/' && psz_parser[1] == '/' )
+ {
+ psz_parser += 2 ;
+ }
- p_fifo->p_first = p_buffer->p_next;
- p_fifo->i_depth--;
+ psz_name = psz_parser ;
- if( p_fifo->p_first == NULL )
- {
- p_fifo->pp_last = &p_fifo->p_first;
+ /* Come back to parse the access and mux plug-ins */
+ psz_parser = psz_dup;
+
+ if( !*psz_parser )
+ {
+ /* No access */
+ psz_access = "";
+ }
+ else if( *psz_parser == '/' )
+ {
+ /* No access */
+ psz_access = "";
+ psz_parser++;
+ }
+ else
+ {
+ psz_access = psz_parser;
+
+ while( *psz_parser && *psz_parser != '/' )
+ {
+ if( *psz_parser == '{' )
+ {
+ while( *psz_parser && *psz_parser != '}' )
+ {
+ psz_parser++;
+ }
+ if( *psz_parser )
+ {
+ psz_parser++;
+ }
+ }
+ else
+ {
+ psz_parser++;
+ }
+ }
+
+ if( *psz_parser == '/' )
+ {
+ *psz_parser++ = '\0';
+ }
+ }
+
+ if( !*psz_parser )
+ {
+ /* No mux */
+ psz_way = "";
+ }
+ else
+ {
+ psz_way = psz_parser;
+ }
}
- vlc_mutex_unlock( &p_fifo->lock );
+ p_mrl->psz_access = strdup( psz_access );
+ p_mrl->psz_way = strdup( psz_way );
+ p_mrl->psz_name = strdup( psz_name );
+
+ free( psz_dup );
+ return( VLC_SUCCESS );
+}
+
- p_buffer->p_next = NULL;
- return( p_buffer );
+/* mrl_Clean: clean p_mrl after a call to mrl_Parse */
+static void mrl_Clean( mrl_t *p_mrl )
+{
+ FREENULL( p_mrl->psz_access );
+ FREENULL( p_mrl->psz_way );
+ FREENULL( p_mrl->psz_name );
}
-sout_buffer_t *sout_FifoShow( sout_fifo_t *p_fifo )
+
+/****************************************************************************
+ ****************************************************************************
+ **
+ **
+ **
+ ****************************************************************************
+ ****************************************************************************/
+
+/* create a complete chain */
+/* chain format:
+ module{option=*:option=*}[:module{option=*:...}]
+ */
+
+/*
+ * parse module{options=str, option="str "}:
+ * return a pointer on the rest
+ * XXX: psz_chain is modified
+ */
+#define SKIPSPACE( p ) { while( *p && ( *p == ' ' || *p == '\t' ) ) p++; }
+#define SKIPTRAILINGSPACE( p, e ) \
+ { while( e > p && ( *(e-1) == ' ' || *(e-1) == '\t' ) ) e--; }
+
+/* go accross " " and { } */
+static char *_get_chain_end( char *str )
{
- sout_buffer_t *p_buffer;
+ char c, *p = str;
- vlc_mutex_lock( &p_fifo->lock );
+ SKIPSPACE( p );
- if( p_fifo->p_first == NULL )
+ for( ;; )
{
- vlc_cond_wait( &p_fifo->wait, &p_fifo->lock );
- }
+ if( !*p || *p == ',' || *p == '}' ) return p;
- p_buffer = p_fifo->p_first;
+ if( *p != '{' && *p != '"' && *p != '\'' )
+ {
+ p++;
+ continue;
+ }
- vlc_mutex_unlock( &p_fifo->lock );
+ if( *p == '{' ) c = '}';
+ else c = *p;
+ p++;
- return( p_buffer );
+ for( ;; )
+ {
+ if( !*p ) return p;
+
+ if( *p == c ) return ++p;
+ else if( *p == '{' && c == '}' ) p = _get_chain_end( p );
+ else p++;
+ }
+ }
}
-sout_buffer_t *sout_BufferNew( sout_instance_t *p_sout, size_t i_size )
+/*
+ * XXX name and p_cfg are used (-> do NOT free them)
+ */
+sout_stream_t *sout_StreamNew( sout_instance_t *p_sout, char *psz_chain )
{
- sout_buffer_t *p_buffer;
+ sout_stream_t *p_stream;
-#ifdef DEBUG_BUFFER
- msg_Dbg( p_sout, "allocating an new buffer, size:%d", (uint32_t)i_size );
-#endif
+ if( !psz_chain )
+ {
+ msg_Err( p_sout, "invalid chain" );
+ return NULL;
+ }
- p_buffer = malloc( sizeof( sout_buffer_t ) );
- if( i_size > 0 )
+ p_stream = vlc_object_create( p_sout, sizeof( sout_stream_t ) );
+
+ if( !p_stream )
{
- p_buffer->p_buffer = malloc( i_size );
+ msg_Err( p_sout, "out of memory" );
+ return NULL;
}
- else
+
+ p_stream->p_sout = p_sout;
+ p_stream->p_sys = NULL;
+
+ p_stream->psz_next =
+ config_ChainCreate( &p_stream->psz_name, &p_stream->p_cfg, psz_chain);
+
+ msg_Dbg( p_sout, "stream=`%s'", p_stream->psz_name );
+
+ vlc_object_attach( p_stream, p_sout );
+
+ p_stream->p_module =
+ module_Need( p_stream, "sout stream", p_stream->psz_name, VLC_TRUE );
+
+ if( !p_stream->p_module )
{
- p_buffer->p_buffer = NULL;
+ sout_StreamDelete( p_stream );
+ return NULL;
}
- p_buffer->i_allocated_size = i_size;
- p_buffer->i_size = i_size;
- p_buffer->p_next = NULL;
- return( p_buffer );
+ return p_stream;
}
-int sout_BufferRealloc( sout_instance_t *p_sout, sout_buffer_t *p_buffer, size_t i_size )
+
+void sout_StreamDelete( sout_stream_t *p_stream )
{
-#ifdef DEBUG_BUFFER
- msg_Dbg( p_sout,
- "realloc buffer old size:%d new size:%d",
- (uint32_t)p_buffer->i_allocated_size,
- (uint32_t)i_size );
-#endif
- if( !( p_buffer->p_buffer = realloc( p_buffer->p_buffer, i_size ) ) )
- {
- msg_Err( p_sout, "realloc failed" );
- p_buffer->i_allocated_size = 0;
- p_buffer->i_size = 0;
+ msg_Dbg( p_stream, "destroying chain... (name=%s)", p_stream->psz_name );
- return( -1 );
- }
+ vlc_object_detach( p_stream );
+ if( p_stream->p_module ) module_Unneed( p_stream, p_stream->p_module );
+
+ FREENULL( p_stream->psz_name );
+ FREENULL( p_stream->psz_next );
+
+ config_ChainDestroy( p_stream->p_cfg );
- p_buffer->i_allocated_size = i_size;
- return( 0 );
+ msg_Dbg( p_stream, "destroying chain done" );
+ vlc_object_release( p_stream );
}
-int sout_BufferDelete( sout_instance_t *p_sout, sout_buffer_t *p_buffer )
+static char *_sout_stream_url_to_chain( vlc_object_t *p_this,
+ const char *psz_url )
{
-#ifdef DEBUG_BUFFER
- msg_Dbg( p_sout, "freeing buffer, size:%d", p_buffer->i_size );
-#endif
- if( p_buffer->p_buffer )
+ mrl_t mrl;
+ char *psz_chain;
+ const char *fmt = "standard{mux=\"%s\",access=\"%s\",dst=\"%s\"}";
+ static const char rtpfmt[] = "rtp{mux=\"%s\",proto=\"%s\",dst=\"%s\"}";
+
+ mrl_Parse( &mrl, psz_url );
+
+ /* Check if the URLs goes #rtp - otherwise we'll use #standard */
+ if (strcmp (mrl.psz_access, "rtp") == 0)
{
- free( p_buffer->p_buffer );
+ /* For historical reasons, rtp:// means RTP over UDP */
+ strcpy (mrl.psz_access, "udp");
+ fmt = rtpfmt;
+ }
+ else
+ {
+ static const char list[] = "dccp\0sctp\0tcp\0udplite\0";
+ for (const char *a = list; *a; a += strlen (a) + 1)
+ if (strcmp (a, mrl.psz_access) == 0)
+ {
+ fmt = rtpfmt;
+ break;
+ }
}
- free( p_buffer );
- return( 0 );
-}
-
-sout_buffer_t *sout_BufferDuplicate( sout_instance_t *p_sout,
- sout_buffer_t *p_buffer )
-{
- sout_buffer_t *p_dup;
- p_dup = sout_BufferNew( p_sout, p_buffer->i_size );
+ /* Convert the URL to a basic sout chain */
+ if (asprintf (&psz_chain, fmt,
+ mrl.psz_way, mrl.psz_access, mrl.psz_name) == -1)
+ psz_chain = NULL;
- p_dup->i_bitrate= p_buffer->i_bitrate;
- p_dup->i_dts = p_buffer->i_dts;
- p_dup->i_pts = p_buffer->i_pts;
- p_dup->i_length = p_buffer->i_length;
- memcpy( p_dup->p_buffer, p_buffer->p_buffer, p_buffer->i_size );
+ /* Duplicate and wrap if sout-display is on */
+ if (psz_chain && (config_GetInt( p_this, "sout-display" ) > 0))
+ {
+ char *tmp;
+ if (asprintf (&tmp, "duplicate{dst=display,dst=%s}", tmp) == -1)
+ tmp = NULL;
+ free (psz_chain);
+ psz_chain = tmp;
+ }
- return( p_dup );
+ mrl_Clean( &mrl );
+ return psz_chain;
}
-
projects / vlc / blobdiff