11. DVB Demux Header File¶
11.1. dmx.h¶
/* * dmx.h * * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de> * & Ralph Metzler <ralph@convergence.de> * 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 _UAPI_DVBDMX_H_ #define _UAPI_DVBDMX_H_ #include <linux/types.h> #ifndef __KERNEL__ #include <time.h> #endif #define DMX_FILTER_SIZE 16 enum dmx_output { DMX_OUT_DECODER, /* Streaming directly to decoder. */ DMX_OUT_TAP, /* Output going to a memory buffer */ /* (to be retrieved via the read command).*/ DMX_OUT_TS_TAP, /* Output multiplexed into a new TS */ /* (to be retrieved by reading from the */ /* logical DVR device). */ DMX_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */ }; typedef enum dmx_output dmx_output_t; typedef enum dmx_input { DMX_IN_FRONTEND, /* Input from a front-end device. */ DMX_IN_DVR /* Input from the logical DVR device. */ } dmx_input_t; typedef enum dmx_ts_pes { DMX_PES_AUDIO0, DMX_PES_VIDEO0, DMX_PES_TELETEXT0, DMX_PES_SUBTITLE0, DMX_PES_PCR0, DMX_PES_AUDIO1, DMX_PES_VIDEO1, DMX_PES_TELETEXT1, DMX_PES_SUBTITLE1, DMX_PES_PCR1, DMX_PES_AUDIO2, DMX_PES_VIDEO2, DMX_PES_TELETEXT2, DMX_PES_SUBTITLE2, DMX_PES_PCR2, DMX_PES_AUDIO3, DMX_PES_VIDEO3, DMX_PES_TELETEXT3, DMX_PES_SUBTITLE3, DMX_PES_PCR3, DMX_PES_OTHER } dmx_pes_type_t; #define DMX_PES_AUDIO DMX_PES_AUDIO0 #define DMX_PES_VIDEO DMX_PES_VIDEO0 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 #define DMX_PES_PCR DMX_PES_PCR0 typedef struct dmx_filter { __u8 filter[DMX_FILTER_SIZE]; __u8 mask[DMX_FILTER_SIZE]; __u8 mode[DMX_FILTER_SIZE]; } dmx_filter_t; struct dmx_sct_filter_params { __u16 pid; dmx_filter_t filter; __u32 timeout; __u32 flags; #define DMX_CHECK_CRC 1 #define DMX_ONESHOT 2 #define DMX_IMMEDIATE_START 4 #define DMX_KERNEL_CLIENT 0x8000 }; struct dmx_pes_filter_params { __u16 pid; dmx_input_t input; dmx_output_t output; dmx_pes_type_t pes_type; __u32 flags; }; typedef struct dmx_caps { __u32 caps; int num_decoders; } dmx_caps_t; typedef enum dmx_source { DMX_SOURCE_FRONT0 = 0, DMX_SOURCE_FRONT1, DMX_SOURCE_FRONT2, DMX_SOURCE_FRONT3, DMX_SOURCE_DVR0 = 16, DMX_SOURCE_DVR1, DMX_SOURCE_DVR2, DMX_SOURCE_DVR3 } dmx_source_t; struct dmx_stc { unsigned int num; /* input : which STC? 0..N */ unsigned int base; /* output: divisor for stc to get 90 kHz clock */ __u64 stc; /* output: stc in 'base'*90 kHz units */ }; #define DMX_START _IO('o', 41) #define DMX_STOP _IO('o', 42) #define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) #define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) #define DMX_SET_BUFFER_SIZE _IO('o', 45) #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) #define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t) #define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t) #define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) #define DMX_ADD_PID _IOW('o', 51, __u16) #define DMX_REMOVE_PID _IOW('o', 52, __u16) #endif /* _UAPI_DVBDMX_H_ */