From 81305bf598bc633373ca5dff9bd045c00ba46d08 Mon Sep 17 00:00:00 2001
From: Christophe Massiot <massiot@via.ecp.fr>
Date: Thu, 13 Jan 2011 21:42:42 +0100
Subject: [PATCH] New stream_out module setid to change IDs of streams
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
---
modules/stream_out/Modules.am | 2 +
modules/stream_out/setid.c | 158 ++++++++++++++++++++++++++++++++++
po/POTFILES.in | 1 +
3 files changed, 161 insertions(+)
create mode 100644 modules/stream_out/setid.c
diff --git a/modules/stream_out/Modules.am b/modules/stream_out/Modules.am
index 19aea5627d09..a1dec91a7855 100644
--- a/modules/stream_out/Modules.am
+++ b/modules/stream_out/Modules.am
@@ -15,6 +15,7 @@ SOURCES_stream_out_autodel = autodel.c
SOURCES_stream_out_record = record.c
SOURCES_stream_out_raop = raop.c
SOURCES_stream_out_smem = smem.c
+SOURCES_stream_out_setid = setid.c
libvlc_LTLIBRARIES += \
libstream_out_dummy_plugin.la \
@@ -30,6 +31,7 @@ libvlc_LTLIBRARIES += \
libstream_out_autodel_plugin.la \
libstream_out_record_plugin.la \
libstream_out_smem_plugin.la \
+ libstream_out_setid_plugin.la \
$(NULL)
# RTP plugin
diff --git a/modules/stream_out/setid.c b/modules/stream_out/setid.c
new file mode 100644
index 000000000000..c2c12ccb575c
--- /dev/null
+++ b/modules/stream_out/setid.c
@@ -0,0 +1,158 @@
+/*****************************************************************************
+ * setid.c: set ID on a stream
+ *****************************************************************************
+ * Copyright (C) 2009 VideoLAN and AUTHORS
+ *
+ * Authors: Christophe Massiot <massiot@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
+ * 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
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_sout.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define ID_TEXT N_("ID")
+#define ID_LONGTEXT N_( \
+ "Specify an identifier integer for this elementary stream" )
+
+#define NEWID_TEXT N_("New ID")
+#define NEWID_LONGTEXT N_( \
+ "Specify an new identifier integer for this elementary stream" )
+
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
+
+#define SOUT_CFG_PREFIX "sout-setid-"
+
+vlc_module_begin()
+ set_shortname( _("setid"))
+ set_description( _("Automatically add/delete input streams"))
+ set_capability( "sout stream", 50 )
+ add_shortcut( "setid" )
+ set_callbacks( Open, Close )
+ add_integer( SOUT_CFG_PREFIX "id", 0, ID_TEXT, ID_LONGTEXT,
+ false )
+ add_integer( SOUT_CFG_PREFIX "new-id", 0, NEWID_TEXT, NEWID_LONGTEXT,
+ false )
+vlc_module_end()
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static const char *ppsz_sout_options[] = {
+ "id", "new-id", NULL
+};
+
+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
+{
+ sout_stream_t *p_out;
+ int i_id, i_new_id;
+};
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys;
+ vlc_value_t val;
+
+ p_sys = malloc( sizeof( sout_stream_sys_t ) );
+
+ if( !p_stream->p_next )
+ {
+ msg_Err( p_stream, "cannot create chain" );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
+ p_stream->p_cfg );
+
+ var_Get( p_stream, SOUT_CFG_PREFIX "id", &val );
+ p_sys->i_id = val.i_int;
+ var_Get( p_stream, SOUT_CFG_PREFIX "new-id", &val );
+ p_sys->i_new_id = val.i_int;
+
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+
+ p_stream->p_sys = p_sys;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+
+ free( p_sys );
+}
+
+static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+
+ if ( p_fmt->i_id == p_sys->i_id )
+ {
+ msg_Dbg( p_stream, "turning ID %d to %d",
+ p_sys->i_id, p_sys->i_new_id );
+ p_fmt->i_id = p_sys->i_new_id;
+ }
+
+
+ return p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
+}
+
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+
+ return p_sys->p_out->pf_del( p_sys->p_out, id );
+}
+
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
+
+ return p_sys->p_out->pf_send( p_sys->p_out, id, p_buffer );
+}
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 78d858a32cac..5ed2c5d91422 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1030,6 +1030,7 @@ modules/stream_out/rtp.c
modules/stream_out/rtp.h
modules/stream_out/rtpfmt.c
modules/stream_out/rtsp.c
+modules/stream_out/setid.c
modules/stream_out/smem.c
modules/stream_out/standard.c
modules/stream_out/switcher.c
--
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