1 /*****************************************************************************
2 * demux.c: demux functions for dvdplay.
3 *****************************************************************************
4 * Copyright (C) 1998-2001 VideoLAN
5 * $Id: demux.c,v 1.1 2003/10/04 18:55:13 gbazin Exp $
7 * Author: Stéphane Borel <stef@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "../../demux/mpeg/system.h"
42 #include <sys/types.h>
47 #ifdef STRNCASECMP_IN_STRINGS_H
54 /* how many packets vcdx_Demux will read in each loop */
55 /* #define vcdplay_READ_ONCE 64 */
57 /*****************************************************************************
59 *****************************************************************************/
60 static int Demux ( input_thread_t * );
62 /*****************************************************************************
64 *****************************************************************************/
73 /*****************************************************************************
74 * InitVCD: initializes structures
75 *****************************************************************************/
76 int E_(InitVCD) ( vlc_object_t *p_this )
78 input_thread_t *p_input = (input_thread_t *)p_this;
79 vcd_data_t * p_vcd = (vcd_data_t *)p_input->p_access_data;
80 demux_sys_t * p_demux;
82 printf("++++ InitVCD CALLED\n");
85 if( p_input->stream.i_method != INPUT_METHOD_VCD )
90 p_demux = p_input->p_demux_data = malloc( sizeof(demux_sys_t ) );
96 p_input->p_private = (void*)&p_demux->mpeg;
97 p_demux->p_module = module_Need( p_input, "mpeg-system", NULL );
98 if( p_demux->p_module == NULL )
100 free( p_input->p_demux_data );
104 p_input->p_demux_data->p_vcd = p_vcd;
106 p_input->pf_demux = Demux;
107 p_input->pf_rewind = NULL;
109 p_vcd->p_intf = NULL;
110 p_vcd->i_still_time = 0;
115 /*****************************************************************************
116 * EndVCD: frees unused data
117 *****************************************************************************/
118 void E_(EndVCD) ( vlc_object_t *p_this )
120 input_thread_t *p_input = (input_thread_t *)p_this;
121 vcd_data_t * p_vcd = p_input->p_demux_data->p_vcd;
122 intf_thread_t * p_intf = NULL;
124 p_intf = vlc_object_find( p_input, VLC_OBJECT_INTF, FIND_CHILD );
127 intf_StopThread( p_intf );
128 vlc_object_detach( p_intf );
129 vlc_object_release( p_intf );
130 intf_Destroy( p_intf );
133 p_vcd->p_intf = NULL;
135 module_Unneed( p_input, p_input->p_demux_data->p_module );
136 free( p_input->p_demux_data );
139 /*****************************************************************************
141 *****************************************************************************/
142 static int Demux( input_thread_t * p_input )
145 data_packet_t * p_data;
150 p_vcd = p_input->p_demux_data->p_vcd;
152 /* Read headers to compute payload length */
155 i_result = p_input->p_demux_data->mpeg.pf_read_ps( p_input, &p_data );
162 i_remains = p_input->p_last_data - p_input->p_current_data;
164 p_input->p_demux_data->mpeg.pf_demux_ps( p_input, p_data );
173 // if( p_vcd->b_still && p_vcd->b_end_of_cell && p_vcd->p_intf != NULL )
174 if( p_vcd->i_still_time && p_vcd->b_end_of_cell && p_vcd->p_intf != NULL )
176 pgrm_descriptor_t * p_pgrm;
178 /* when we receive still_time flag, we have to pause immediately */
179 input_SetStatus( p_input, INPUT_STATUS_PAUSE );
181 vcdIntfStillTime( p_vcd->p_intf, p_vcd->i_still_time );
182 p_vcd->i_still_time = 0;
184 vlc_mutex_lock( &p_input->stream.stream_lock );
186 p_pgrm = p_input->stream.p_selected_program;
187 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
189 vlc_mutex_unlock( &p_input->stream.stream_lock );
191 input_ClockManageControl( p_input, p_pgrm, 0 );