/*****************************************************************************
- * duplicate.c
+ * duplicate.c: duplicate stream output module
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: duplicate.c,v 1.2 2003/05/19 11:38:05 gbazin Exp $
+ * Copyright (C) 2003-2004 the VideoLAN team
+ * $Id$
*
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Author: Laurent Aimar <fenrir@via.ecp.fr>
*
* 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
*****************************************************************************/
-#include <stdlib.h>
-#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include <vlc/vlc.h>
-#include <vlc/sout.h>
+#include <vlc_sout.h>
+#include <vlc_block.h>
/*****************************************************************************
- * Exported prototypes
+ * Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
-static sout_stream_id_t *Add ( sout_stream_t *, sout_format_t * );
-static int Del ( sout_stream_t *, sout_stream_id_t * );
-static int Send( sout_stream_t *, sout_stream_id_t *,
- sout_buffer_t* );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
vlc_module_begin();
- set_description( _("Duplicate stream") );
+ set_description( _("Duplicate stream output") );
set_capability( "sout stream", 50 );
add_shortcut( "duplicate" );
add_shortcut( "dup" );
+ set_category( CAT_SOUT );
+ set_subcategory( SUBCAT_SOUT_STREAM );
set_callbacks( Open, Close );
vlc_module_end();
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
+static int Del ( sout_stream_t *, sout_stream_id_t * );
+static int Send( sout_stream_t *, sout_stream_id_t *,
+ block_t* );
+
struct sout_stream_sys_t
{
int i_nb_streams;
sout_stream_t **pp_streams;
+
+ int i_nb_select;
+ char **ppsz_select;
};
struct sout_stream_id_t
void **pp_ids;
};
+static bool ESSelected( es_format_t *fmt, char *psz_select );
+
/*****************************************************************************
* Open:
*****************************************************************************/
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys;
- sout_cfg_t *p_cfg;
+ config_chain_t *p_cfg;
- msg_Dbg( p_stream, "creating a duplication" );
+ msg_Dbg( p_stream, "creating 'duplicate'" );
p_sys = malloc( sizeof( sout_stream_sys_t ) );
+
p_sys->i_nb_streams = 0;
p_sys->pp_streams = NULL;
+ p_sys->i_nb_select = 0;
+ p_sys->ppsz_select = NULL;
for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
{
sout_stream_t *s;
msg_Dbg( p_stream, " * adding `%s'", p_cfg->psz_value );
- s = sout_stream_new( p_stream->p_sout, p_cfg->psz_value );
+ s = sout_StreamNew( p_stream->p_sout, p_cfg->psz_value );
if( s )
{
TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, s );
+ TAB_APPEND( p_sys->i_nb_select, p_sys->ppsz_select, NULL );
+ }
+ }
+ else if( !strncmp( p_cfg->psz_name, "select", strlen( "select" ) ) )
+ {
+ char *psz = p_cfg->psz_value;
+ if( p_sys->i_nb_select > 0 && psz && *psz )
+ {
+ msg_Dbg( p_stream, " * apply selection %s", psz );
+ p_sys->ppsz_select[p_sys->i_nb_select - 1] = strdup( psz );
}
}
}
/*****************************************************************************
* Close:
*****************************************************************************/
-
static void Close( vlc_object_t * p_this )
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
int i;
- msg_Dbg( p_stream, "closing a duplication");
+ msg_Dbg( p_stream, "closing a duplication" );
for( i = 0; i < p_sys->i_nb_streams; i++ )
{
- sout_stream_delete( p_sys->pp_streams[i] );
+ sout_StreamDelete( p_sys->pp_streams[i] );
+ free( p_sys->ppsz_select[i] );
}
free( p_sys->pp_streams );
+ free( p_sys->ppsz_select );
free( p_sys );
}
-static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
+/*****************************************************************************
+ * Add:
+ *****************************************************************************/
+static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
- int i_stream;
+ int i_stream, i_valid_streams = 0;
id = malloc( sizeof( sout_stream_id_t ) );
id->i_nb_ids = 0;
id->pp_ids = NULL;
+ msg_Dbg( p_stream, "duplicated a new stream codec=%4.4s (es=%d group=%d)",
+ (char*)&p_fmt->i_codec, p_fmt->i_id, p_fmt->i_group );
+
for( i_stream = 0; i_stream < p_sys->i_nb_streams; i_stream++ )
{
- void *id_new;
+ void *id_new = NULL;
- /* XXX not the same sout_stream_id_t definition ... */
- id_new = (void*)p_sys->pp_streams[i_stream]->pf_add(
- p_sys->pp_streams[i_stream], p_fmt );
- if( id_new )
+ if( ESSelected( p_fmt, p_sys->ppsz_select[i_stream] ) )
{
- TAB_APPEND( id->i_nb_ids, id->pp_ids, id_new );
+ sout_stream_t *out = p_sys->pp_streams[i_stream];
+
+ id_new = (void*)out->pf_add( out, p_fmt );
+ if( id_new )
+ {
+ msg_Dbg( p_stream, " - added for output %d", i_stream );
+ i_valid_streams++;
+ }
+ else
+ {
+ msg_Dbg( p_stream, " - failed for output %d", i_stream );
+ }
+ }
+ else
+ {
+ msg_Dbg( p_stream, " - ignored for output %d", i_stream );
}
+
+ /* Append failed attempts as well to keep track of which pp_id
+ * belongs to which duplicated stream */
+ TAB_APPEND( id->i_nb_ids, id->pp_ids, id_new );
}
- if( id->i_nb_ids <= 0 )
+ if( i_valid_streams <= 0 )
{
- free( id );
+ Del( p_stream, id );
return NULL;
}
return id;
}
+/*****************************************************************************
+ * Del:
+ *****************************************************************************/
static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
{
if( id->pp_ids[i_stream] )
{
- p_sys->pp_streams[i_stream]->pf_del( p_sys->pp_streams[i_stream],
- id->pp_ids[i_stream] );
+ sout_stream_t *out = p_sys->pp_streams[i_stream];
+ out->pf_del( out, id->pp_ids[i_stream] );
}
}
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * Send:
+ *****************************************************************************/
static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
- sout_buffer_t *p_buffer )
+ block_t *p_buffer )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
+ sout_stream_t *p_dup_stream;
int i_stream;
- for( i_stream = 0; i_stream < p_sys->i_nb_streams - 1; i_stream++ )
+ /* Loop through the linked list of buffers */
+ while( p_buffer )
{
- sout_buffer_t *p_dup;
+ block_t *p_next = p_buffer->p_next;
- if( id->pp_ids[i_stream] )
+ p_buffer->p_next = NULL;
+
+ for( i_stream = 0; i_stream < p_sys->i_nb_streams - 1; i_stream++ )
{
- p_dup = sout_BufferDuplicate( p_stream->p_sout, p_buffer );
+ block_t *p_dup;
+ p_dup_stream = p_sys->pp_streams[i_stream];
- p_sys->pp_streams[i_stream]->pf_send( p_sys->pp_streams[i_stream],
- id->pp_ids[i_stream],
- p_dup );
+ if( id->pp_ids[i_stream] )
+ {
+ p_dup = block_Duplicate( p_buffer );
+
+ p_dup_stream->pf_send( p_dup_stream, id->pp_ids[i_stream],
+ p_dup );
+ }
}
+
+ if( i_stream < p_sys->i_nb_streams && id->pp_ids[i_stream] )
+ {
+ p_dup_stream = p_sys->pp_streams[i_stream];
+ p_dup_stream->pf_send( p_dup_stream, id->pp_ids[i_stream],
+ p_buffer );
+ }
+ else
+ {
+ block_Release( p_buffer );
+ }
+
+ p_buffer = p_next;
}
+ return VLC_SUCCESS;
+}
- i_stream = p_sys->i_nb_streams - 1;
- if( id->pp_ids[i_stream] )
+/*****************************************************************************
+ * Divers
+ *****************************************************************************/
+static bool NumInRange( char *psz_range, int i_num )
+{
+ char *psz = strchr( psz_range, '-' );
+ char *end;
+ int i_start, i_stop;
+
+ if( psz )
+ {
+ i_start = strtol( psz_range, &end, 0 );
+ if( end == psz_range ) i_start = i_num;
+
+ i_stop = strtol( psz, &end, 0 );
+ if( end == psz_range ) i_stop = i_num;
+ }
+ else
{
- p_sys->pp_streams[i_stream]->pf_send( p_sys->pp_streams[i_stream],
- id->pp_ids[i_stream],
- p_buffer);
+ i_start = i_stop = strtol( psz_range, NULL, 0 );
}
- return VLC_SUCCESS;
+ return i_start <= i_num && i_num <= i_stop ? true : false;
+}
+
+static bool ESSelected( es_format_t *fmt, char *psz_select )
+{
+ char *psz_dup;
+ char *psz;
+
+ /* We have tri-state variable : no tested (-1), failed(0), succeed(1) */
+ int i_cat = -1;
+ int i_es = -1;
+ int i_prgm= -1;
+
+ /* If empty all es are selected */
+ if( psz_select == NULL || *psz_select == '\0' )
+ {
+ return true;
+ }
+ psz_dup = strdup( psz_select );
+ psz = psz_dup;
+
+ /* If non empty, parse the selection:
+ * We have selection[,selection[,..]] where following selection are recognized:
+ * (no(-))audio
+ * (no(-))spu
+ * (no(-))video
+ * (no(-))es=[start]-[end] or es=num
+ * (no(-))prgm=[start]-[end] or prgm=num (program works too)
+ * if a negative test failed we exit directly
+ */
+ while( psz && *psz )
+ {
+ char *p;
+
+ /* Skip space */
+ while( *psz == ' ' || *psz == '\t' ) psz++;
+
+ /* Search end */
+ p = strchr( psz, ',' );
+ if( p == psz )
+ {
+ /* Empty */
+ psz = p + 1;
+ continue;
+ }
+ if( p )
+ {
+ *p++ = '\0';
+ }
+
+ if( !strncmp( psz, "no-audio", strlen( "no-audio" ) ) ||
+ !strncmp( psz, "noaudio", strlen( "noaudio" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat != AUDIO_ES ? 1 : 0;
+ }
+ }
+ else if( !strncmp( psz, "no-video", strlen( "no-video" ) ) ||
+ !strncmp( psz, "novideo", strlen( "novideo" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat != VIDEO_ES ? 1 : 0;
+ }
+ }
+ else if( !strncmp( psz, "no-spu", strlen( "no-spu" ) ) ||
+ !strncmp( psz, "nospu", strlen( "nospu" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat != SPU_ES ? 1 : 0;
+ }
+ }
+ else if( !strncmp( psz, "audio", strlen( "audio" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat == AUDIO_ES ? 1 : 0;
+ }
+ }
+ else if( !strncmp( psz, "video", strlen( "video" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat == VIDEO_ES ? 1 : 0;
+ }
+ }
+ else if( !strncmp( psz, "spu", strlen( "spu" ) ) )
+ {
+ if( i_cat == -1 )
+ {
+ i_cat = fmt->i_cat == SPU_ES ? 1 : 0;
+ }
+ }
+ else if( strchr( psz, '=' ) != NULL )
+ {
+ char *psz_arg = strchr( psz, '=' );
+ *psz_arg++ = '\0';
+
+ if( !strcmp( psz, "no-es" ) || !strcmp( psz, "noes" ) )
+ {
+ if( i_es == -1 )
+ {
+ i_es = NumInRange( psz_arg, fmt->i_id ) ? 0 : -1;
+ }
+ }
+ else if( !strcmp( psz, "es" ) )
+ {
+ if( i_es == -1 )
+ {
+ i_es = NumInRange( psz_arg, fmt->i_id) ? 1 : -1;
+ }
+ }
+ else if( !strcmp( psz, "no-prgm" ) || !strcmp( psz, "noprgm" ) ||
+ !strcmp( psz, "no-program" ) || !strcmp( psz, "noprogram" ) )
+ {
+ if( fmt->i_group >= 0 && i_prgm == -1 )
+ {
+ i_prgm = NumInRange( psz_arg, fmt->i_group ) ? 0 : -1;
+ }
+ }
+ else if( !strcmp( psz, "prgm" ) || !strcmp( psz, "program" ) )
+ {
+ if( fmt->i_group >= 0 && i_prgm == -1 )
+ {
+ i_prgm = NumInRange( psz_arg, fmt->i_group ) ? 1 : -1;
+ }
+ }
+ }
+ else
+ {
+ fprintf( stderr, "unknown args (%s)\n", psz );
+ }
+ /* Next */
+ psz = p;
+ }
+
+ free( psz_dup );
+
+ if( i_cat == 1 || i_es == 1 || i_prgm == 1 )
+ {
+ return true;
+ }
+ return false;
}