129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
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/*
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* dmxdev.h
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*
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* Copyright (C) 2000 Ralph Metzler & Marcus Metzler
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* for convergence integrated media GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _DMXDEV_H_
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#define _DMXDEV_H_
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#include <linux/kernel.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <linux/fs.h>
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#include <linux/string.h>
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#include <asm/semaphore.h>
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#include <linux/dvb/dmx.h>
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#include "dvbdev.h"
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#include "demux.h"
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enum dmxdevype {
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DMXDEV_TYPE_NONE,
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DMXDEV_TYPE_SEC,
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DMXDEV_TYPE_PES,
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};
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enum dmxdev_state {
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DMXDEV_STATE_FREE,
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DMXDEV_STATE_ALLOCATED,
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DMXDEV_STATE_SET,
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DMXDEV_STATE_GO,
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DMXDEV_STATE_DONE,
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DMXDEV_STATE_TIMEDOUT
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};
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struct dmxdev_buffer {
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u8 *data;
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int size;
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int pread;
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int pwrite;
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wait_queue_head_t queue;
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int error;
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};
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struct dmxdev_filter {
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struct dvb_device *dvbdev;
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union {
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struct dmx_section_filter *sec;
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} filter;
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union {
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struct dmx_ts_feed *ts;
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struct dmx_section_feed *sec;
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} feed;
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union {
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struct dmx_sct_filter_params sec;
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struct dmx_pes_filter_params pes;
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} params;
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int type;
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enum dmxdev_state state;
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struct dmxdev *dev;
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struct dmxdev_buffer buffer;
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struct semaphore mutex;
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/* only for sections */
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struct timer_list timer;
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int todo;
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u8 secheader[3];
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u16 pid;
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};
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struct dmxdev_dvr {
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int state;
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struct dmxdev *dev;
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struct dmxdev_buffer buffer;
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};
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struct dmxdev {
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struct dvb_device *dvbdev;
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struct dvb_device *dvr_dvbdev;
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struct dmxdev_filter *filter;
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struct dmxdev_dvr *dvr;
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struct dmx_demux *demux;
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int filternum;
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int capabilities;
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#define DMXDEV_CAP_DUPLEX 1
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struct dmx_frontend *dvr_orig_fe;
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struct dmxdev_buffer dvr_buffer;
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#define DVR_BUFFER_SIZE (10*188*1024)
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struct semaphore mutex;
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spinlock_t lock;
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};
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int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *);
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void dvb_dmxdev_release(struct dmxdev *dmxdev);
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#endif /* _DMXDEV_H_ */
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