1 /*****************************************************************************
2 * t140.c : trivial T.140 text encoder
3 *****************************************************************************
4 * Copyright © 2007 Rémi Denis-Courmont
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
20 *****************************************************************************/
26 #include <vlc_common.h>
27 #include <vlc_plugin.h>
29 #include <vlc_codec.h>
32 static int Open ( vlc_object_t * );
33 static void Close( vlc_object_t * );
37 set_description( N_("T.140 text encoder") )
38 set_capability( "encoder", 100 )
39 set_callbacks( Open, Close )
43 static block_t *Encode ( encoder_t *, subpicture_t * );
46 static int Open( vlc_object_t *p_this )
48 encoder_t *p_enc = (encoder_t *)p_this;
50 switch( p_enc->fmt_out.i_codec )
53 if( ( p_enc->fmt_out.subs.psz_encoding != NULL )
54 && strcasecmp( p_enc->fmt_out.subs.psz_encoding, "utf8" )
55 && strcasecmp( p_enc->fmt_out.subs.psz_encoding, "UTF-8" ) )
57 msg_Err( p_this, "Only UTF-8 encoding supported" );
60 case VLC_CODEC_ITU_T140:
67 p_enc->fmt_out.i_codec = VLC_CODEC_ITU_T140;
72 p_enc->pf_encode_sub = Encode;
73 p_enc->fmt_out.i_cat = SPU_ES;
78 static void Close( vlc_object_t *p_this )
84 static block_t *Encode( encoder_t *p_enc, subpicture_t *p_spu )
86 subpicture_region_t *p_region;
93 p_region = p_spu->p_region;
94 if( ( p_region == NULL )
95 || ( p_region->fmt.i_chroma != VLC_CODEC_TEXT )
96 || ( p_region->psz_text == NULL ) )
99 /* This should already be UTF-8 encoded, so not much effort... */
100 len = strlen( p_region->psz_text );
101 p_block = block_New( p_enc, len );
102 memcpy( p_block->p_buffer, p_region->psz_text, len );