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 *****************************************************************************/
28 #include <vlc_codec.h>
31 static int Open ( vlc_object_t * );
32 static void Close( vlc_object_t * );
36 set_description( _("T.140 text encoder") );
37 set_capability( "encoder", 100 );
38 set_callbacks( Open, Close );
42 static block_t *Encode ( encoder_t *, subpicture_t * );
45 static int Open( vlc_object_t *p_this )
47 encoder_t *p_enc = (encoder_t *)p_this;
49 switch( p_enc->fmt_out.i_codec )
51 case VLC_FOURCC('s','u','b','t'):
52 if( ( p_enc->fmt_out.subs.psz_encoding != NULL )
53 && strcasecmp( p_enc->fmt_out.subs.psz_encoding, "utf8" )
54 && strcasecmp( p_enc->fmt_out.subs.psz_encoding, "UTF-8" ) )
56 msg_Err( p_this, "Only UTF-8 encoding supported" );
59 case VLC_FOURCC('t','1','4','0'):
66 p_enc->fmt_out.i_codec = VLC_FOURCC('t','1','4','0');
71 p_enc->pf_encode_sub = Encode;
76 static void Close( vlc_object_t *p_this )
82 static block_t *Encode( encoder_t *p_enc, subpicture_t *p_spu )
84 subpicture_region_t *p_region;
91 p_region = p_spu->p_region;
92 if( ( p_region == NULL )
93 || ( p_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') )
94 || ( p_region->psz_text == NULL ) )
97 /* This should already be UTF-8 encoded, so not much effort... */
98 len = strlen( p_region->psz_text );
99 p_block = block_New( p_enc, len );
100 memcpy( p_block->p_buffer, p_region->psz_text, len );