stream_output.c
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:31k
- /*****************************************************************************
- * stream_output.c : stream output module
- *****************************************************************************
- * Copyright (C) 2002-2004 VideoLAN
- * $Id: stream_output.c 8998 2004-10-15 15:46:53Z gbazin $
- *
- * Authors: Christophe Massiot <massiot@via.ecp.fr>
- * Laurent Aimar <fenrir@via.ecp.fr>
- * 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
- * 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, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <stdlib.h> /* free() */
- #include <stdio.h> /* sprintf() */
- #include <string.h> /* strerror() */
- #include <vlc/vlc.h>
- #include <vlc/sout.h>
- #include "vlc_meta.h"
- #undef DEBUG_BUFFER
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static void sout_CfgDestroy( sout_cfg_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 *, 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, char *psz_mrl );
- /* mrl_Clean: clean p_mrl after a call to mrl_Parse */
- static void mrl_Clean( mrl_t *p_mrl );
- #define FREE( p ) if( p ) { free( p ); (p) = NULL; }
- /*****************************************************************************
- * sout_NewInstance: creates a new stream output instance
- *****************************************************************************/
- sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
- {
- sout_instance_t *p_sout;
- vlc_value_t keep;
- if( var_Get( p_parent, "sout-keep", &keep ) < 0 )
- {
- msg_Warn( p_parent, "cannot get sout-keep value" );
- keep.b_bool = VLC_FALSE;
- }
- else if( keep.b_bool )
- {
- msg_Warn( p_parent, "sout-keep true" );
- if( ( p_sout = vlc_object_find( p_parent, VLC_OBJECT_SOUT,
- FIND_ANYWHERE ) ) )
- {
- if( !strcmp( p_sout->psz_sout, psz_dest ) )
- {
- msg_Warn( p_parent, "sout keep : reusing sout" );
- msg_Warn( p_parent, "sout keep : you probably want to use "
- "gather stream_out" );
- vlc_object_detach( p_sout );
- vlc_object_attach( p_sout, p_parent );
- vlc_object_release( p_sout );
- return p_sout;
- }
- else
- {
- msg_Warn( p_parent, "sout keep : destroying unusable sout" );
- sout_DeleteInstance( p_sout );
- }
- }
- }
- else if( !keep.b_bool )
- {
- while( ( p_sout = vlc_object_find( p_parent, VLC_OBJECT_SOUT,
- FIND_PARENT ) ) )
- {
- msg_Warn( p_parent, "sout keep : destroying old sout" );
- sout_DeleteInstance( p_sout );
- }
- }
- /* *** Allocate descriptor *** */
- p_sout = vlc_object_create( p_parent, VLC_OBJECT_SOUT );
- if( p_sout == NULL )
- {
- msg_Err( p_parent, "out of memory" );
- return NULL;
- }
- /* *** 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;
- vlc_mutex_init( p_sout, &p_sout->lock );
- if( psz_dest && psz_dest[0] == '#' )
- {
- 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 );
- p_sout->p_stream = sout_StreamNew( p_sout, p_sout->psz_chain );
- if( p_sout->p_stream == NULL )
- {
- msg_Err( p_sout, "stream chained failed for `%s'", p_sout->psz_chain );
- FREE( p_sout->psz_sout );
- FREE( p_sout->psz_chain );
- vlc_object_detach( p_sout );
- vlc_object_destroy( p_sout );
- return NULL;
- }
- return p_sout;
- }
- /*****************************************************************************
- * sout_DeleteInstance: delete a previously allocated instance
- *****************************************************************************/
- void sout_DeleteInstance( sout_instance_t * p_sout )
- {
- /* Unlink object */
- vlc_object_detach( p_sout );
- /* remove the stream out chain */
- sout_StreamDelete( p_sout->p_stream );
- /* *** free all string *** */
- FREE( p_sout->psz_sout );
- FREE( p_sout->psz_chain );
- /* delete meta */
- if( p_sout->p_meta )
- {
- vlc_meta_Delete( p_sout->p_meta );
- }
- vlc_mutex_destroy( &p_sout->lock );
- /* *** free structure *** */
- vlc_object_destroy( p_sout );
- }
- /*****************************************************************************
- * 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, "adding a new input" );
- /* *** 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_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
- {
- vlc_object_release( p_sout );
- return p_input;
- }
- /* *** 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_input->id == NULL )
- {
- free( p_input );
- return NULL;
- }
- return( p_input );
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- int sout_InputDelete( sout_packetizer_input_t *p_input )
- {
- 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' ) )
- {
- 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 );
- }
- free( p_input );
- return( VLC_SUCCESS);
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- int sout_InputSendBuffer( sout_packetizer_input_t *p_input,
- block_t *p_buffer )
- {
- sout_instance_t *p_sout = p_input->p_sout;
- int i_ret;
- if( p_input->p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
- {
- block_Release( p_buffer );
- return VLC_SUCCESS;
- }
- if( p_buffer->i_dts <= 0 )
- {
- msg_Warn( p_sout, "trying to send non-dated packet to stream output!");
- block_Release( p_buffer );
- return VLC_SUCCESS;
- }
- 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 );
- return i_ret;
- }
- /*****************************************************************************
- * sout_AccessOutNew: allocate a new access out
- *****************************************************************************/
- sout_access_out_t *sout_AccessOutNew( sout_instance_t *p_sout,
- char *psz_access, 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 ) ) ) )
- {
- msg_Err( p_sout, "out of memory" );
- return NULL;
- }
- psz_next = sout_CfgCreate( &p_access->psz_access, &p_access->p_cfg,
- psz_access );
- if( psz_next )
- {
- free( psz_next );
- }
- p_access->psz_name = 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->p_module = NULL;
- 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 )
- {
- free( p_access->psz_access );
- free( p_access->psz_name );
- vlc_object_detach( p_access );
- vlc_object_destroy( p_access );
- return( NULL );
- }
- 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 )
- {
- module_Unneed( p_access, p_access->p_module );
- }
- free( p_access->psz_access );
- sout_CfgDestroy( p_access->p_cfg );
- free( p_access->psz_name );
- vlc_object_destroy( p_access );
- }
- /*****************************************************************************
- * sout_AccessSeek:
- *****************************************************************************/
- int sout_AccessOutSeek( sout_access_out_t *p_access, off_t i_pos )
- {
- return p_access->pf_seek( p_access, i_pos );
- }
- /*****************************************************************************
- * sout_AccessRead:
- *****************************************************************************/
- int 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 );
- }
- /*****************************************************************************
- * sout_AccessWrite:
- *****************************************************************************/
- int sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
- {
- return p_access->pf_write( p_access, p_buffer );
- }
- /*****************************************************************************
- * 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;
- p_mux = vlc_object_create( p_sout, sizeof( sout_mux_t ) );
- if( p_mux == NULL )
- {
- msg_Err( p_sout, "out of memory" );
- return NULL;
- }
- p_mux->p_sout = p_sout;
- psz_next = sout_CfgCreate( &p_mux->psz_mux, &p_mux->p_cfg, psz_mux );
- if( psz_next ) 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 )
- {
- FREE( p_mux->psz_mux );
- vlc_object_detach( p_mux );
- vlc_object_destroy( p_mux );
- return NULL;
- }
- /* *** probe mux capacity *** */
- if( p_mux->pf_control )
- {
- int b_answer = VLC_FALSE;
- if( sout_MuxControl( p_mux, MUX_CAN_ADD_STREAM_WHILE_MUXING,
- &b_answer ) )
- {
- b_answer = VLC_FALSE;
- }
- 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;
- /* 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( b_answer )
- {
- msg_Dbg( p_sout, "muxer prefers waiting for all ES before "
- "starting muxing" );
- p_mux->b_waiting_stream = VLC_TRUE;
- }
- }
- }
- return p_mux;
- }
- /*****************************************************************************
- * sout_MuxDelete:
- *****************************************************************************/
- void sout_MuxDelete( sout_mux_t *p_mux )
- {
- vlc_object_detach( p_mux );
- if( p_mux->p_module )
- {
- module_Unneed( p_mux, p_mux->p_module );
- }
- free( p_mux->psz_mux );
- sout_CfgDestroy( p_mux->p_cfg );
- vlc_object_destroy( p_mux );
- }
- /*****************************************************************************
- * sout_MuxAddStream:
- *****************************************************************************/
- sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, es_format_t *p_fmt )
- {
- sout_input_t *p_input;
- if( !p_mux->b_add_stream_any_time && !p_mux->b_waiting_stream )
- {
- msg_Err( p_mux, "cannot add a new stream (unsuported while muxing "
- "for this format)" );
- return NULL;
- }
- msg_Dbg( p_mux, "adding a new input" );
- /* create a new sout input */
- p_input = malloc( sizeof( sout_input_t ) );
- 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;
- 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;
- }
- /*****************************************************************************
- * sout_MuxDeleteStream:
- *****************************************************************************/
- void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
- {
- int i_index;
- if( p_mux->b_waiting_stream && p_input->p_fifo->i_depth > 0 )
- {
- /* 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 );
- }
- 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 del this stream from mux" );
- }
- /* remove the entry */
- TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
- if( p_mux->i_nb_inputs == 0 )
- {
- msg_Warn( p_mux, "no more input stream for this mux" );
- }
- block_FifoRelease( p_input->p_fifo );
- free( p_input );
- }
- }
- /*****************************************************************************
- * sout_MuxSendBuffer:
- *****************************************************************************/
- void sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
- block_t *p_buffer )
- {
- block_FifoPut( p_input->p_fifo, p_buffer );
- if( p_mux->b_waiting_stream )
- {
- if( p_mux->i_add_stream_start < 0 )
- {
- p_mux->i_add_stream_start = p_buffer->i_dts;
- }
- if( p_mux->i_add_stream_start >= 0 &&
- p_mux->i_add_stream_start + I64C(1500000) < p_buffer->i_dts )
- {
- /* Wait until we have more than 1.5 seconds worth of data
- * before start muxing */
- p_mux->b_waiting_stream = VLC_FALSE;
- }
- else
- {
- return;
- }
- }
- p_mux->pf_mux( p_mux );
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static int mrl_Parse( mrl_t *p_mrl, char *psz_mrl )
- {
- char * psz_dup = strdup( psz_mrl );
- char * psz_parser = psz_dup;
- char * psz_access = "";
- char * psz_way = "";
- char * psz_name = "";
- /* *** 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( !*psz_parser )
- {
- psz_access = psz_way = "";
- psz_name = psz_dup;
- }
- else
- {
- *psz_parser++ = ' ';
- /* let's skip '//' */
- if( psz_parser[0] == '/' && psz_parser[1] == '/' )
- {
- psz_parser += 2 ;
- }
- psz_name = psz_parser ;
- /* 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++ = ' ';
- }
- }
- if( !*psz_parser )
- {
- /* No mux */
- psz_way = "";
- }
- else
- {
- psz_way = psz_parser;
- }
- }
- 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 );
- }
- /* mrl_Clean: clean p_mrl after a call to mrl_Parse */
- static void mrl_Clean( mrl_t *p_mrl )
- {
- FREE( p_mrl->psz_access );
- FREE( p_mrl->psz_way );
- FREE( p_mrl->psz_name );
- }
- /****************************************************************************
- ****************************************************************************
- **
- **
- **
- ****************************************************************************
- ****************************************************************************/
- /* 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 )
- {
- char c, *p = str;
- SKIPSPACE( p );
- for( ;; )
- {
- if( !*p || *p == ',' || *p == '}' ) return p;
- if( *p != '{' && *p != '"' && *p != ''' )
- {
- p++;
- continue;
- }
- if( *p == '{' ) c = '}';
- else c = *p;
- p++;
- for( ;; )
- {
- if( !*p ) return p;
- if( *p == c ) return ++p;
- else if( *p == '{' && c == '}' ) p = _get_chain_end( p );
- else p++;
- }
- }
- }
- char *sout_CfgCreate( char **ppsz_name, sout_cfg_t **pp_cfg, char *psz_chain )
- {
- sout_cfg_t *p_cfg = NULL;
- char *p = psz_chain;
- *ppsz_name = NULL;
- *pp_cfg = NULL;
- if( !p ) return NULL;
- SKIPSPACE( p );
- while( *p && *p != '{' && *p != ':' && *p != ' ' && *p != 't' ) p++;
- if( p == psz_chain ) return NULL;
- *ppsz_name = strndup( psz_chain, p - psz_chain );
- SKIPSPACE( p );
- if( *p == '{' )
- {
- char *psz_name;
- p++;
- for( ;; )
- {
- sout_cfg_t cfg;
- SKIPSPACE( p );
- psz_name = p;
- while( *p && *p != '=' && *p != ',' && *p != '{' && *p != '}' &&
- *p != ' ' && *p != 't' ) p++;
- /* fprintf( stderr, "name=%s - rest=%sn", psz_name, p ); */
- if( p == psz_name )
- {
- fprintf( stderr, "invalid options (empty)" );
- break;
- }
- cfg.psz_name = strndup( psz_name, p - psz_name );
- SKIPSPACE( p );
- if( *p == '=' || *p == '{' )
- {
- char *end;
- vlc_bool_t b_keep_brackets = (*p == '{');
- if( *p == '=' ) p++;
- end = _get_chain_end( p );
- if( end <= p )
- {
- cfg.psz_value = NULL;
- }
- else
- {
- /* Skip heading and trailing spaces.
- * This ain't necessary but will avoid simple
- * user mistakes. */
- SKIPSPACE( p );
- }
- if( end <= p )
- {
- cfg.psz_value = NULL;
- }
- else
- {
- if( *p == ''' || *p == '"' ||
- ( !b_keep_brackets && *p == '{' ) )
- {
- p++;
- if( *(end-1) != ''' && *(end-1) == '"' )
- SKIPTRAILINGSPACE( p, end );
- if( end - 1 <= p ) cfg.psz_value = NULL;
- else cfg.psz_value = strndup( p, end -1 - p );
- }
- else
- {
- SKIPTRAILINGSPACE( p, end );
- if( end <= p ) cfg.psz_value = NULL;
- else cfg.psz_value = strndup( p, end - p );
- }
- }
- p = end;
- SKIPSPACE( p );
- }
- else
- {
- cfg.psz_value = NULL;
- }
- cfg.p_next = NULL;
- if( p_cfg )
- {
- p_cfg->p_next = malloc( sizeof( sout_cfg_t ) );
- memcpy( p_cfg->p_next, &cfg, sizeof( sout_cfg_t ) );
- p_cfg = p_cfg->p_next;
- }
- else
- {
- p_cfg = malloc( sizeof( sout_cfg_t ) );
- memcpy( p_cfg, &cfg, sizeof( sout_cfg_t ) );
- *pp_cfg = p_cfg;
- }
- if( *p == ',' ) p++;
- if( *p == '}' )
- {
- p++;
- break;
- }
- }
- }
- if( *p == ':' ) return( strdup( p + 1 ) );
- return NULL;
- }
- static void sout_CfgDestroy( sout_cfg_t *p_cfg )
- {
- while( p_cfg != NULL )
- {
- sout_cfg_t *p_next;
- p_next = p_cfg->p_next;
- FREE( p_cfg->psz_name );
- FREE( p_cfg->psz_value );
- free( p_cfg );
- p_cfg = p_next;
- }
- }
- void __sout_CfgParse( vlc_object_t *p_this, char *psz_prefix,
- const char **ppsz_options, sout_cfg_t *cfg )
- {
- char *psz_name;
- int i_type;
- int i;
- /* First, var_Create all variables */
- for( i = 0; ppsz_options[i] != NULL; i++ )
- {
- asprintf( &psz_name, "%s%s", psz_prefix,
- *ppsz_options[i] == '*' ? &ppsz_options[i][1] : ppsz_options[i] );
- i_type = config_GetType( p_this, psz_name );
- var_Create( p_this, psz_name, i_type | VLC_VAR_DOINHERIT );
- free( psz_name );
- }
- /* Now parse options and set value */
- if( psz_prefix == NULL ) psz_prefix = "";
- while( cfg )
- {
- vlc_value_t val;
- vlc_bool_t b_yes = VLC_TRUE;
- vlc_bool_t b_once = VLC_FALSE;
- if( cfg->psz_name == NULL || *cfg->psz_name == ' ' )
- {
- cfg = cfg->p_next;
- continue;
- }
- for( i = 0; ppsz_options[i] != NULL; i++ )
- {
- if( !strcmp( ppsz_options[i], cfg->psz_name ) )
- {
- break;
- }
- if( ( !strncmp( cfg->psz_name, "no-", 3 ) &&
- !strcmp( ppsz_options[i], cfg->psz_name + 3 ) ) ||
- ( !strncmp( cfg->psz_name, "no", 2 ) &&
- !strcmp( ppsz_options[i], cfg->psz_name + 2 ) ) )
- {
- b_yes = VLC_FALSE;
- break;
- }
- if( *ppsz_options[i] == '*' &&
- !strcmp( &ppsz_options[i][1], cfg->psz_name ) )
- {
- b_once = VLC_TRUE;
- break;
- }
- }
- if( ppsz_options[i] == NULL )
- {
- msg_Warn( p_this, "option %s is unknown", cfg->psz_name );
- cfg = cfg->p_next;
- continue;
- }
- /* create name */
- asprintf( &psz_name, "%s%s", psz_prefix, b_once ? &ppsz_options[i][1] : ppsz_options[i] );
- /* get the type of the variable */
- i_type = config_GetType( p_this, psz_name );
- if( !i_type )
- {
- msg_Warn( p_this, "unknown option %s (value=%s)",
- cfg->psz_name, cfg->psz_value );
- goto next;
- }
- if( i_type != VLC_VAR_BOOL && cfg->psz_value == NULL )
- {
- msg_Warn( p_this, "missing value for option %s", cfg->psz_name );
- goto next;
- }
- if( i_type != VLC_VAR_STRING && b_once )
- {
- msg_Warn( p_this, "*option_name need to be a string option" );
- goto next;
- }
- switch( i_type )
- {
- case VLC_VAR_BOOL:
- val.b_bool = b_yes;
- break;
- case VLC_VAR_INTEGER:
- val.i_int = strtol( cfg->psz_value ? cfg->psz_value : "0",
- NULL, 0 );
- break;
- case VLC_VAR_FLOAT:
- val.f_float = atof( cfg->psz_value ? cfg->psz_value : "0" );
- break;
- case VLC_VAR_STRING:
- val.psz_string = cfg->psz_value;
- break;
- default:
- msg_Warn( p_this, "unhandled config var type" );
- memset( &val, 0, sizeof( vlc_value_t ) );
- break;
- }
- if( b_once )
- {
- vlc_value_t val2;
- var_Get( p_this, psz_name, &val2 );
- if( *val2.psz_string )
- {
- free( val2.psz_string );
- msg_Dbg( p_this, "ignoring option %s (not first occurrence)", psz_name );
- goto next;
- }
- free( val2.psz_string );
- }
- var_Set( p_this, psz_name, val );
- msg_Dbg( p_this, "set sout option: %s to %s", psz_name, cfg->psz_value );
- next:
- free( psz_name );
- cfg = cfg->p_next;
- }
- }
- /*
- * 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_stream_t *p_stream;
- if( !psz_chain )
- {
- msg_Err( p_sout, "invalid chain" );
- return NULL;
- }
- p_stream = vlc_object_create( p_sout, sizeof( sout_stream_t ) );
- if( !p_stream )
- {
- msg_Err( p_sout, "out of memory" );
- return NULL;
- }
- p_stream->p_sout = p_sout;
- p_stream->p_sys = NULL;
- p_stream->psz_next =
- sout_CfgCreate( &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 )
- {
- sout_StreamDelete( p_stream );
- return NULL;
- }
- return p_stream;
- }
- void sout_StreamDelete( sout_stream_t *p_stream )
- {
- msg_Dbg( p_stream, "destroying chain... (name=%s)", p_stream->psz_name );
- vlc_object_detach( p_stream );
- if( p_stream->p_module ) module_Unneed( p_stream, p_stream->p_module );
- FREE( p_stream->psz_name );
- FREE( p_stream->psz_next );
- sout_CfgDestroy( p_stream->p_cfg );
- msg_Dbg( p_stream, "destroying chain done" );
- vlc_object_destroy( p_stream );
- }
- static char *_sout_stream_url_to_chain( vlc_object_t *p_this, char *psz_url )
- {
- mrl_t mrl;
- char *psz_chain, *p;
- mrl_Parse( &mrl, psz_url );
- p = psz_chain = malloc( 500 + strlen( mrl.psz_way ) +
- strlen( mrl.psz_access ) +
- strlen( mrl.psz_name ) );
- if( config_GetInt( p_this, "sout-display" ) )
- {
- p += sprintf( p, "duplicate{dst=display,dst=std{mux="%s","
- "access="%s",url="%s"}}",
- mrl.psz_way, mrl.psz_access, mrl.psz_name );
- }
- else
- {
- p += sprintf( p, "std{mux="%s",access="%s",url="%s"}",
- mrl.psz_way, mrl.psz_access, mrl.psz_name );
- }
- mrl_Clean( &mrl );
- return( psz_chain );
- }