1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234
|
/*****************************************************************************
* setid.c: set ID/lang on a stream
*****************************************************************************
* Copyright © 2009-2011 VLC authors and VideoLAN
*
* 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 Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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_("Elementary Stream ID")
#define ID_LONGTEXT N_( \
"Specify an identifier integer for this elementary stream" )
#define NEWID_TEXT N_("New ES ID")
#define NEWID_LONGTEXT N_( \
"Specify an new identifier integer for this elementary stream" )
#define LANG_TEXT N_("Language")
#define LANG_LONGTEXT N_( \
"Specify an ISO-639 code (three characters) for this elementary stream" )
static int OpenId ( vlc_object_t * );
static int OpenLang ( vlc_object_t * );
static void Close ( vlc_object_t * );
#define SOUT_CFG_PREFIX_ID "sout-setid-"
#define SOUT_CFG_PREFIX_LANG "sout-setlang-"
vlc_module_begin()
set_shortname( N_("Set ID"))
set_section( N_("Set ES id"), NULL )
set_description( N_("Change the id of an elementary stream"))
set_capability( "sout stream", 50 )
add_shortcut( "setid" )
set_category( CAT_SOUT )
set_subcategory( SUBCAT_SOUT_STREAM )
set_callbacks( OpenId, Close )
add_integer( SOUT_CFG_PREFIX_ID "id", 0, ID_TEXT, ID_LONGTEXT, false )
add_integer( SOUT_CFG_PREFIX_ID "new-id", 0, NEWID_TEXT, NEWID_LONGTEXT,
false )
add_submodule ()
set_section( N_("Set ES Lang"), NULL )
set_shortname( N_("Set Lang"))
set_description( N_("Change the language of an elementary stream"))
set_capability( "sout stream", 50 )
add_shortcut( "setlang" );
set_callbacks( OpenLang, Close )
add_integer( SOUT_CFG_PREFIX_LANG "id", 0, ID_TEXT, ID_LONGTEXT, false )
add_string( SOUT_CFG_PREFIX_LANG "lang", "eng", LANG_TEXT, LANG_LONGTEXT,
false );
vlc_module_end()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static const char *ppsz_sout_options_id[] = {
"id", "new-id", NULL
};
static const char *ppsz_sout_options_lang[] = {
"id", "lang", NULL
};
static sout_stream_id_sys_t *AddId ( sout_stream_t *, const es_format_t * );
static sout_stream_id_sys_t *AddLang( sout_stream_t *, const es_format_t * );
static void Del ( sout_stream_t *, sout_stream_id_sys_t * );
static int Send ( sout_stream_t *, sout_stream_id_sys_t *, block_t * );
struct sout_stream_sys_t
{
int i_id;
int i_new_id;
char *psz_language;
};
/*****************************************************************************
* Open:
*****************************************************************************/
static int OpenCommon( vlc_object_t *p_this )
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys;
if( !p_stream->p_next )
{
msg_Err( p_stream, "cannot create chain" );
return VLC_EGENERIC;
}
p_sys = malloc( sizeof( sout_stream_sys_t ) );
if( unlikely( !p_sys ) )
return VLC_ENOMEM;
p_stream->pf_del = Del;
p_stream->pf_send = Send;
p_stream->p_sys = p_sys;
return VLC_SUCCESS;
}
static int OpenId( vlc_object_t *p_this )
{
int i_ret = OpenCommon( p_this );
if( i_ret != VLC_SUCCESS )
return i_ret;
sout_stream_t *p_stream = (sout_stream_t*)p_this;
config_ChainParse( p_stream, SOUT_CFG_PREFIX_ID, ppsz_sout_options_id,
p_stream->p_cfg );
p_stream->p_sys->i_id = var_GetInteger( p_stream, SOUT_CFG_PREFIX_ID "id" );
p_stream->p_sys->i_new_id = var_GetInteger( p_stream, SOUT_CFG_PREFIX_ID "new-id" );
p_stream->p_sys->psz_language = NULL;
p_stream->pf_add = AddId;
return VLC_SUCCESS;
}
static int OpenLang( vlc_object_t *p_this )
{
int i_ret = OpenCommon( p_this );
if( i_ret != VLC_SUCCESS )
return i_ret;
sout_stream_t *p_stream = (sout_stream_t*)p_this;
config_ChainParse( p_stream, SOUT_CFG_PREFIX_LANG, ppsz_sout_options_lang,
p_stream->p_cfg );
p_stream->p_sys->i_id = var_GetInteger( p_stream, SOUT_CFG_PREFIX_LANG "id" );
p_stream->p_sys->i_new_id = -1;
p_stream->p_sys->psz_language = var_GetString( p_stream, SOUT_CFG_PREFIX_LANG "lang" );
p_stream->pf_add = AddLang;
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->psz_language );
free( p_sys );
}
static sout_stream_id_sys_t * AddId( sout_stream_t *p_stream, const es_format_t *p_fmt )
{
sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
es_format_t fmt;
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 );
fmt = *p_fmt;
fmt.i_id = p_sys->i_new_id;
p_fmt = &fmt;
}
return sout_StreamIdAdd( p_stream->p_next, p_fmt );
}
static sout_stream_id_sys_t * AddLang( sout_stream_t *p_stream, const es_format_t *p_fmt )
{
sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_stream->p_sys;
es_format_t fmt;
if ( p_fmt->i_id == p_sys->i_id )
{
msg_Dbg( p_stream, "turning language %s of ID %d to %s",
p_fmt->psz_language ? p_fmt->psz_language : "unk",
p_sys->i_id, p_sys->psz_language );
fmt = *p_fmt;
fmt.psz_language = p_sys->psz_language;
p_fmt = &fmt;
}
return sout_StreamIdAdd( p_stream->p_next, p_fmt );
}
static void Del( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
{
p_stream->p_next->pf_del( p_stream->p_next, id );
}
static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
block_t *p_buffer )
{
return p_stream->p_next->pf_send( p_stream->p_next, id, p_buffer );
}
|