1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Eric Petit <titer@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
34 #include <vlc_codec.h>
35 #include <vlc_block.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 static int Open ( vlc_object_t * );
41 static void Close( vlc_object_t * );
44 set_category( CAT_SOUT );
45 set_subcategory( SUBCAT_SOUT_PACKETIZER );
46 set_description( _("Copy packetizer") );
47 set_capability( "packetizer", 1 );
48 set_callbacks( Open, Close );
51 /*****************************************************************************
53 *****************************************************************************/
59 static block_t *Packetize ( decoder_t *, block_t ** );
60 static block_t *PacketizeSub( decoder_t *, block_t ** );
62 /*****************************************************************************
63 * Open: probe the packetizer and return score
64 *****************************************************************************
65 * Tries to launch a decoder and return score so that the interface is able
67 *****************************************************************************/
68 static int Open( vlc_object_t *p_this )
70 decoder_t *p_dec = (decoder_t*)p_this;
73 if( p_dec->fmt_in.i_cat != AUDIO_ES &&
74 p_dec->fmt_in.i_cat != VIDEO_ES &&
75 p_dec->fmt_in.i_cat != SPU_ES )
77 msg_Err( p_dec, "invalid ES type" );
81 if( p_dec->fmt_in.i_cat == SPU_ES )
82 p_dec->pf_packetize = PacketizeSub;
84 p_dec->pf_packetize = Packetize;
86 /* Create the output format */
87 es_format_Copy( &p_dec->fmt_out, &p_dec->fmt_in );
89 /* Fix the value of the fourcc */
90 switch( p_dec->fmt_in.i_codec )
93 case VLC_FOURCC( 'm', '4', 's', '2'):
94 case VLC_FOURCC( 'M', '4', 'S', '2'):
95 case VLC_FOURCC( 'm', 'p', '4', 's'):
96 case VLC_FOURCC( 'M', 'P', '4', 'S'):
97 case VLC_FOURCC( 'D', 'I', 'V', 'X'):
98 case VLC_FOURCC( 'd', 'i', 'v', 'x'):
99 case VLC_FOURCC( 'X', 'V', 'I', 'D'):
100 case VLC_FOURCC( 'X', 'v', 'i', 'D'):
101 case VLC_FOURCC( 'x', 'v', 'i', 'd'):
102 case VLC_FOURCC( 'D', 'X', '5', '0'):
103 case VLC_FOURCC( 0x04, 0, 0, 0):
104 case VLC_FOURCC( '3', 'I', 'V', '2'):
105 p_dec->fmt_out.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v');
108 case VLC_FOURCC( 'm', 'p', 'g', '1' ):
109 case VLC_FOURCC( 'm', 'p', 'g', '2' ):
110 case VLC_FOURCC( 'm', 'p', '1', 'v' ):
111 case VLC_FOURCC( 'm', 'p', '2', 'v' ):
112 p_dec->fmt_out.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
115 case VLC_FOURCC( 'd', 'i', 'v', '1' ):
116 case VLC_FOURCC( 'M', 'P', 'G', '4' ):
117 case VLC_FOURCC( 'm', 'p', 'g', '4' ):
118 p_dec->fmt_out.i_codec = VLC_FOURCC( 'D', 'I', 'V', '1' );
121 case VLC_FOURCC( 'd', 'i', 'v', '2' ):
122 case VLC_FOURCC( 'M', 'P', '4', '2' ):
123 case VLC_FOURCC( 'm', 'p', '4', '2' ):
124 p_dec->fmt_out.i_codec = VLC_FOURCC( 'D', 'I', 'V', '2' );
127 case VLC_FOURCC( 'd', 'i', 'v', '3' ):
128 case VLC_FOURCC( 'd', 'i', 'v', '4' ):
129 case VLC_FOURCC( 'D', 'I', 'V', '4' ):
130 case VLC_FOURCC( 'd', 'i', 'v', '5' ):
131 case VLC_FOURCC( 'D', 'I', 'V', '5' ):
132 case VLC_FOURCC( 'd', 'i', 'v', '6' ):
133 case VLC_FOURCC( 'D', 'I', 'V', '6' ):
134 case VLC_FOURCC( 'M', 'P', '4', '3' ):
135 case VLC_FOURCC( 'm', 'p', '4', '3' ):
136 case VLC_FOURCC( 'm', 'p', 'g', '3' ):
137 case VLC_FOURCC( 'M', 'P', 'G', '3' ):
138 case VLC_FOURCC( 'A', 'P', '4', '1' ):
139 p_dec->fmt_out.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
142 case VLC_FOURCC( 'h', '2', '6', '3' ):
143 case VLC_FOURCC( 'U', '2', '6', '3' ):
144 case VLC_FOURCC( 'u', '2', '6', '3' ):
145 p_dec->fmt_out.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
148 case VLC_FOURCC( 'i', '2', '6', '3' ):
149 p_dec->fmt_out.i_codec = VLC_FOURCC( 'I', '2', '6', '3' );
152 case VLC_FOURCC( 'm', 'j', 'p', 'g' ):
153 case VLC_FOURCC( 'm', 'j', 'p', 'a' ):
154 case VLC_FOURCC( 'j', 'p', 'e', 'g' ):
155 case VLC_FOURCC( 'J', 'P', 'E', 'G' ):
156 case VLC_FOURCC( 'J', 'F', 'I', 'F' ):
157 p_dec->fmt_out.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
160 case VLC_FOURCC( 'd', 'v', 's', 'd' ):
161 case VLC_FOURCC( 'D', 'V', 'S', 'D' ):
162 case VLC_FOURCC( 'd', 'v', 'h', 'd' ):
163 p_dec->fmt_out.i_codec = VLC_FOURCC( 'd', 'v', 's', 'l' );
167 case VLC_FOURCC( 'a', 'r', 'a', 'w' ):
168 switch( ( p_dec->fmt_in.audio.i_bitspersample + 7 ) / 8 )
171 p_dec->fmt_out.i_codec = VLC_FOURCC('u','8',' ',' ');
174 p_dec->fmt_out.i_codec = VLC_FOURCC('s','1','6','l');
177 p_dec->fmt_out.i_codec = VLC_FOURCC('s','2','4','l');
180 p_dec->fmt_out.i_codec = VLC_FOURCC('s','3','2','l');
183 msg_Err( p_dec, "unknown raw audio sample size" );
188 case VLC_FOURCC( 't', 'w', 'o', 's' ):
189 switch( ( p_dec->fmt_in.audio.i_bitspersample + 7 ) / 8 )
192 p_dec->fmt_out.i_codec = VLC_FOURCC('s','8',' ',' ');
195 p_dec->fmt_out.i_codec = VLC_FOURCC('s','1','6','b');
198 p_dec->fmt_out.i_codec = VLC_FOURCC('s','2','4','b');
201 p_dec->fmt_out.i_codec = VLC_FOURCC('s','3','2','b');
204 msg_Err( p_dec, "unknown raw audio sample size" );
209 case VLC_FOURCC( 's', 'o', 'w', 't' ):
210 switch( ( p_dec->fmt_in.audio.i_bitspersample + 7 ) / 8 )
213 p_dec->fmt_out.i_codec = VLC_FOURCC('s','8',' ',' ');
216 p_dec->fmt_out.i_codec = VLC_FOURCC('s','1','6','l');
219 p_dec->fmt_out.i_codec = VLC_FOURCC('s','2','4','l');
222 p_dec->fmt_out.i_codec = VLC_FOURCC('s','3','2','l');
225 msg_Err( p_dec, "unknown raw audio sample size" );
231 p_dec->p_sys = p_sys = malloc( sizeof( block_t ) );
232 p_sys->p_block = NULL;
237 /*****************************************************************************
239 *****************************************************************************/
240 static void Close( vlc_object_t *p_this )
242 decoder_t *p_dec = (decoder_t*)p_this;
244 if( p_dec->p_sys->p_block )
246 block_ChainRelease( p_dec->p_sys->p_block );
249 es_format_Clean( &p_dec->fmt_out );
250 free( p_dec->p_sys );
253 /*****************************************************************************
254 * Packetize: packetize an unit (here copy a complete block )
255 *****************************************************************************/
256 static block_t *Packetize ( decoder_t *p_dec, block_t **pp_block )
259 block_t *p_ret = p_dec->p_sys->p_block;
261 if( pp_block == NULL || *pp_block == NULL )
263 if( (*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
265 block_Release( *pp_block );
272 if( p_block->i_dts <= 0 )
274 p_block->i_dts = p_block->i_pts;
277 if( p_block->i_dts <= 0 )
279 msg_Dbg( p_dec, "need dts > 0" );
280 block_Release( p_block );
284 if( p_ret != NULL && p_block->i_pts > p_ret->i_pts )
286 p_ret->i_length = p_block->i_pts - p_ret->i_pts;
288 p_dec->p_sys->p_block = p_block;
293 /*****************************************************************************
294 * PacketizeSub: packetize an unit (here copy a complete block )
295 *****************************************************************************/
296 static block_t *PacketizeSub( decoder_t *p_dec, block_t **pp_block )
300 if( pp_block == NULL || *pp_block == NULL )
302 if( (*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
304 block_Release( *pp_block );
311 if( p_block->i_dts <= 0 )
313 p_block->i_dts = p_block->i_pts;
316 if( p_block->i_dts <= 0 )
318 msg_Dbg( p_dec, "need dts > 0" );
319 block_Release( p_block );