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