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Annotation of margi2/dvb_demux.h, revision 1.5

1.1       mocm        1: /* 
                      2:  * dvb_demux.h - DVB kernel demux API
                      3:  *
1.3       mocm        4:  * Copyright (C) 2000-2001 Marcus Metzler <marcus@convergence.de>
                      5:  *                       & Ralph  Metzler <ralph@convergence.de>
                      6:  *                         for convergence integrated media GmbH
1.1       mocm        7:  *
                      8:  * This program is free software; you can redistribute it and/or
                      9:  * modify it under the terms of the GNU Lesser General Public License
                     10:  * as published by the Free Software Foundation; either version 2.1
                     11:  * of the License, or (at your option) any later version.
                     12:  *
                     13:  * This program is distributed in the hope that it will be useful,
                     14:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16:  * GNU General Public License for more details.
                     17:  *
                     18:  * You should have received a copy of the GNU Lesser General Public License
                     19:  * along with this program; if not, write to the Free Software
                     20:  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
                     21:  *
                     22:  */
                     23: 
                     24: #ifndef _DVB_DEMUX_H_
                     25: #define _DVB_DEMUX_H_
                     26: 
                     27: #if LINUX_VERSION_CODE < 0x020300
                     28: #define WAIT_QUEUE                 struct wait_queue*
                     29: #define init_waitqueue_head(wq)    *(wq) = NULL;
                     30: #define DECLARE_WAITQUEUE(wait, current) struct wait_queue wait = { current, NULL }
                     31: #define list_for_each(pos, head) \
                     32:        for (pos = (head)->next; pos != (head); pos = pos->next)
                     33: #else
                     34: #define WAIT_QUEUE                 wait_queue_head_t
                     35: #endif
                     36: 
                     37: #ifdef __DVB_PACK__
                     38: #include <ost/demux.h>
                     39: #else
                     40: #include <linux/ost/demux.h>
                     41: #endif
                     42: 
                     43: #define DMX_TYPE_TS  0
                     44: #define DMX_TYPE_SEC 1
                     45: #define DMX_TYPE_PES 2
                     46: 
                     47: #define DMX_STATE_FREE      0
                     48: #define DMX_STATE_ALLOCATED 1
                     49: #define DMX_STATE_SET       2
                     50: #define DMX_STATE_READY     3
                     51: #define DMX_STATE_GO        4
                     52: 
                     53: #define DVB_DEMUX_MASK_MAX 18
                     54: 
                     55: typedef struct dvb_demux_filter_s {
                     56:         dmx_section_filter_t filter;
                     57:         struct dvb_demux_filter_s *next;
                     58:         struct dvb_demux_feed_s *feed;
                     59:         int index;
                     60:         int state;
                     61:         int type;
                     62:        int pesto;
                     63: 
                     64:         u32 flags;
                     65:         u16 handle;
                     66:         u16 hw_handle;
                     67:         struct timer_list timer;
                     68:        int ts_state;
                     69: 
                     70:         u16 pid;  //to be removed
                     71: } dvb_demux_filter_t;
                     72: 
                     73: typedef struct dvb_demux_feed_s {
                     74:         union {
                     75:                dmx_ts_feed_t ts;
                     76:                dmx_section_feed_t sec;
                     77:                dmx_pes_feed_t pes;
                     78:        } feed;
                     79: 
                     80:         union {
                     81:                dmx_ts_cb ts;
                     82:                dmx_section_cb sec;
                     83:                dmx_pes_cb pes;
                     84:        } cb;
                     85: 
                     86:         struct dvb_demux_s *demux;
                     87:         int type;
                     88:         int state;
                     89:         u16 pid;
                     90:         u8 *buffer;
                     91:         int buffer_size;
                     92:         int descramble;
                     93:         int check_crc;
                     94: 
                     95:         struct timespec timeout; 
                     96:         dvb_demux_filter_t *filter;
                     97:         int cb_length;
                     98:   
                     99:         int ts_type;
                    100:         dmx_ts_pes_t pes_type;
                    101: 
                    102:         u8 secbuf[4096];
                    103:         int secbufp;
                    104:         int seclen;
                    105:         int cc;
                    106: 
                    107:         u16 peslen;
                    108: } dvb_demux_feed_t;
                    109: 
                    110: typedef struct dvb_demux_s {
                    111:         dmx_demux_t dmx;
1.3       mocm      112:         void *priv;
                    113:         int filternum;
1.4       mocm      114:         int feednum;
1.3       mocm      115:         int (*start_feed)(dvb_demux_feed_t *);
                    116:         int (*stop_feed)(dvb_demux_feed_t *);
                    117:         int (*write_to_decoder)(dvb_demux_feed_t *, u8 *, size_t);
1.1       mocm      118: 
1.3       mocm      119:   
1.1       mocm      120:         int users;
                    121: #define MAX_DVB_DEMUX_USERS 10
                    122:         dvb_demux_filter_t *filter;
1.4       mocm      123:         dvb_demux_feed_t *feed;
1.1       mocm      124: 
                    125:         struct list_head frontend_list;
                    126: 
1.4       mocm      127:         dvb_demux_feed_t *pesfilter[DMX_TS_PES_OTHER];
1.5     ! mocm      128:         u16 pids[DMX_TS_PES_OTHER];
1.1       mocm      129:         int playing; 
                    130:         int recording; 
                    131: 
                    132:         dvb_demux_feed_t *pid2feed[0x2000];
                    133:         u8 tsbuf[188];
                    134:         int tsbufp;
                    135: 
1.4       mocm      136:        struct semaphore mutex;
1.1       mocm      137: } dvb_demux_t;
                    138: 
                    139: 
1.3       mocm      140: int DvbDmxInit(dvb_demux_t *dvbdemux);
1.1       mocm      141: int DvbDmxRelease(dvb_demux_t *dvbdemux);
1.3       mocm      142: void DvbDmxSWFilterPackets(dvb_demux_t *dvbdmx, const u8 *buf, int count);
1.1       mocm      143: 
                    144: #endif /* _DVB_DEMUX_H_ */