diff options
Diffstat (limited to 'drivers/media/dvb/dvb-core/demux.h')
| -rw-r--r-- | drivers/media/dvb/dvb-core/demux.h | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/drivers/media/dvb/dvb-core/demux.h b/drivers/media/dvb/dvb-core/demux.h deleted file mode 100644 index eb91fd808c16..000000000000 --- a/drivers/media/dvb/dvb-core/demux.h +++ /dev/null @@ -1,280 +0,0 @@ -/* - * demux.h - * - * Copyright (c) 2002 Convergence GmbH - * - * based on code: - * Copyright (c) 2000 Nokia Research Center - * Tampere, FINLAND - * - * 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 __DEMUX_H -#define __DEMUX_H - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/list.h> -#include <linux/time.h> -#include <linux/dvb/dmx.h> - -/*--------------------------------------------------------------------------*/ -/* Common definitions */ -/*--------------------------------------------------------------------------*/ - -/* - * DMX_MAX_FILTER_SIZE: Maximum length (in bytes) of a section/PES filter. - */ - -#ifndef DMX_MAX_FILTER_SIZE -#define DMX_MAX_FILTER_SIZE 18 -#endif - -/* - * DMX_MAX_SECFEED_SIZE: Maximum length (in bytes) of a private section feed filter. - */ - -#ifndef DMX_MAX_SECTION_SIZE -#define DMX_MAX_SECTION_SIZE 4096 -#endif -#ifndef DMX_MAX_SECFEED_SIZE -#define DMX_MAX_SECFEED_SIZE (DMX_MAX_SECTION_SIZE + 188) -#endif - - -/* - * enum dmx_success: Success codes for the Demux Callback API. - */ - -enum dmx_success { - DMX_OK = 0, /* Received Ok */ - DMX_LENGTH_ERROR, /* Incorrect length */ - DMX_OVERRUN_ERROR, /* Receiver ring buffer overrun */ - DMX_CRC_ERROR, /* Incorrect CRC */ - DMX_FRAME_ERROR, /* Frame alignment error */ - DMX_FIFO_ERROR, /* Receiver FIFO overrun */ - DMX_MISSED_ERROR /* Receiver missed packet */ -} ; - -/*--------------------------------------------------------------------------*/ -/* TS packet reception */ -/*--------------------------------------------------------------------------*/ - -/* TS filter type for set() */ - -#define TS_PACKET 1 /* send TS packets (188 bytes) to callback (default) */ -#define TS_PAYLOAD_ONLY 2 /* in case TS_PACKET is set, only send the TS - payload (<=184 bytes per packet) to callback */ -#define TS_DECODER 4 /* send stream to built-in decoder (if present) */ -#define TS_DEMUX 8 /* in case TS_PACKET is set, send the TS to - the demux device, not to the dvr device */ - -/* PES type for filters which write to built-in decoder */ -/* these should be kept identical to the types in dmx.h */ - -enum dmx_ts_pes -{ /* also send packets to decoder (if it exists) */ - DMX_TS_PES_AUDIO0, - DMX_TS_PES_VIDEO0, - DMX_TS_PES_TELETEXT0, - DMX_TS_PES_SUBTITLE0, - DMX_TS_PES_PCR0, - - DMX_TS_PES_AUDIO1, - DMX_TS_PES_VIDEO1, - DMX_TS_PES_TELETEXT1, - DMX_TS_PES_SUBTITLE1, - DMX_TS_PES_PCR1, - - DMX_TS_PES_AUDIO2, - DMX_TS_PES_VIDEO2, - DMX_TS_PES_TELETEXT2, - DMX_TS_PES_SUBTITLE2, - DMX_TS_PES_PCR2, - - DMX_TS_PES_AUDIO3, - DMX_TS_PES_VIDEO3, - DMX_TS_PES_TELETEXT3, - DMX_TS_PES_SUBTITLE3, - DMX_TS_PES_PCR3, - - DMX_TS_PES_OTHER -}; - -#define DMX_TS_PES_AUDIO DMX_TS_PES_AUDIO0 -#define DMX_TS_PES_VIDEO DMX_TS_PES_VIDEO0 -#define DMX_TS_PES_TELETEXT DMX_TS_PES_TELETEXT0 -#define DMX_TS_PES_SUBTITLE DMX_TS_PES_SUBTITLE0 -#define DMX_TS_PES_PCR DMX_TS_PES_PCR0 - - -struct dmx_ts_feed { - int is_filtering; /* Set to non-zero when filtering in progress */ - struct dmx_demux *parent; /* Back-pointer */ - void *priv; /* Pointer to private data of the API client */ - int (*set) (struct dmx_ts_feed *feed, - u16 pid, - int type, - enum dmx_ts_pes pes_type, - size_t circular_buffer_size, - struct timespec timeout); - int (*start_filtering) (struct dmx_ts_feed* feed); - int (*stop_filtering) (struct dmx_ts_feed* feed); -}; - -/*--------------------------------------------------------------------------*/ -/* Section reception */ -/*--------------------------------------------------------------------------*/ - -struct dmx_section_filter { - u8 filter_value [DMX_MAX_FILTER_SIZE]; - u8 filter_mask [DMX_MAX_FILTER_SIZE]; - u8 filter_mode [DMX_MAX_FILTER_SIZE]; - struct dmx_section_feed* parent; /* Back-pointer */ - void* priv; /* Pointer to private data of the API client */ -}; - -struct dmx_section_feed { - int is_filtering; /* Set to non-zero when filtering in progress */ - struct dmx_demux* parent; /* Back-pointer */ - void* priv; /* Pointer to private data of the API client */ - - int check_crc; - u32 crc_val; - - u8 *secbuf; - u8 secbuf_base[DMX_MAX_SECFEED_SIZE]; - u16 secbufp, seclen, tsfeedp; - - int (*set) (struct dmx_section_feed* feed, - u16 pid, - size_t circular_buffer_size, - int check_crc); - int (*allocate_filter) (struct dmx_section_feed* feed, - struct dmx_section_filter** filter); - int (*release_filter) (struct dmx_section_feed* feed, - struct dmx_section_filter* filter); - int (*start_filtering) (struct dmx_section_feed* feed); - int (*stop_filtering) (struct dmx_section_feed* feed); -}; - -/*--------------------------------------------------------------------------*/ -/* Callback functions */ -/*--------------------------------------------------------------------------*/ - -typedef int (*dmx_ts_cb) ( const u8 * buffer1, - size_t buffer1_length, - const u8 * buffer2, - size_t buffer2_length, - struct dmx_ts_feed* source, - enum dmx_success success); - -typedef int (*dmx_section_cb) ( const u8 * buffer1, - size_t buffer1_len, - const u8 * buffer2, - size_t buffer2_len, - struct dmx_section_filter * source, - enum dmx_success success); - -/*--------------------------------------------------------------------------*/ -/* DVB Front-End */ -/*--------------------------------------------------------------------------*/ - -enum dmx_frontend_source { - DMX_MEMORY_FE, - DMX_FRONTEND_0, - DMX_FRONTEND_1, - DMX_FRONTEND_2, - DMX_FRONTEND_3, - DMX_STREAM_0, /* external stream input, e.g. LVDS */ - DMX_STREAM_1, - DMX_STREAM_2, - DMX_STREAM_3 -}; - -struct dmx_frontend { - struct list_head connectivity_list; /* List of front-ends that can - be connected to a particular - demux */ - enum dmx_frontend_source source; -}; - -/*--------------------------------------------------------------------------*/ -/* MPEG-2 TS Demux */ -/*--------------------------------------------------------------------------*/ - -/* - * Flags OR'ed in the capabilities field of struct dmx_demux. - */ - -#define DMX_TS_FILTERING 1 -#define DMX_PES_FILTERING 2 -#define DMX_SECTION_FILTERING 4 -#define DMX_MEMORY_BASED_FILTERING 8 /* write() available */ -#define DMX_CRC_CHECKING 16 -#define DMX_TS_DESCRAMBLING 32 - -/* - * Demux resource type identifier. -*/ - -/* - * DMX_FE_ENTRY(): Casts elements in the list of registered - * front-ends from the generic type struct list_head - * to the type * struct dmx_frontend - *. -*/ - -#define DMX_FE_ENTRY(list) list_entry(list, struct dmx_frontend, connectivity_list) - -struct dmx_demux { - u32 capabilities; /* Bitfield of capability flags */ - struct dmx_frontend* frontend; /* Front-end connected to the demux */ - void* priv; /* Pointer to private data of the API client */ - int (*open) (struct dmx_demux* demux); - int (*close) (struct dmx_demux* demux); - int (*write) (struct dmx_demux* demux, const char __user *buf, size_t count); - int (*allocate_ts_feed) (struct dmx_demux* demux, - struct dmx_ts_feed** feed, - dmx_ts_cb callback); - int (*release_ts_feed) (struct dmx_demux* demux, - struct dmx_ts_feed* feed); - int (*allocate_section_feed) (struct dmx_demux* demux, - struct dmx_section_feed** feed, - dmx_section_cb callback); - int (*release_section_feed) (struct dmx_demux* demux, - struct dmx_section_feed* feed); - int (*add_frontend) (struct dmx_demux* demux, - struct dmx_frontend* frontend); - int (*remove_frontend) (struct dmx_demux* demux, - struct dmx_frontend* frontend); - struct list_head* (*get_frontends) (struct dmx_demux* demux); - int (*connect_frontend) (struct dmx_demux* demux, - struct dmx_frontend* frontend); - int (*disconnect_frontend) (struct dmx_demux* demux); - - int (*get_pes_pids) (struct dmx_demux* demux, u16 *pids); - - int (*get_caps) (struct dmx_demux* demux, struct dmx_caps *caps); - - int (*set_source) (struct dmx_demux* demux, const dmx_source_t *src); - - int (*get_stc) (struct dmx_demux* demux, unsigned int num, - u64 *stc, unsigned int *base); -}; - -#endif /* #ifndef __DEMUX_H */ |
