| /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ | |
| /* | |
| * 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 - Output for the demux. | |
| * | |
| * @DMX_OUT_DECODER: | |
| * Streaming directly to decoder. | |
| * @DMX_OUT_TAP: | |
| * Output going to a memory buffer (to be retrieved via the read command). | |
| * Delivers the stream output to the demux device on which the ioctl | |
| * is called. | |
| * @DMX_OUT_TS_TAP: | |
| * Output multiplexed into a new TS (to be retrieved by reading from the | |
| * logical DVR device). Routes output to the logical DVR device | |
| * ``/dev/dvb/adapter?/dvr?``, which delivers a TS multiplexed from all | |
| * filters for which @DMX_OUT_TS_TAP was specified. | |
| * @DMX_OUT_TSDEMUX_TAP: | |
| * Like @DMX_OUT_TS_TAP but retrieved from the DMX device. | |
| */ | |
| enum dmx_output { | |
| DMX_OUT_DECODER, | |
| DMX_OUT_TAP, | |
| DMX_OUT_TS_TAP, | |
| DMX_OUT_TSDEMUX_TAP | |
| }; | |
| /** | |
| * enum dmx_input - Input from the demux. | |
| * | |
| * @DMX_IN_FRONTEND: Input from a front-end device. | |
| * @DMX_IN_DVR: Input from the logical DVR device. | |
| */ | |
| enum dmx_input { | |
| DMX_IN_FRONTEND, | |
| DMX_IN_DVR | |
| }; | |
| /** | |
| * enum dmx_ts_pes - type of the PES filter. | |
| * | |
| * @DMX_PES_AUDIO0: first audio PID. Also referred as @DMX_PES_AUDIO. | |
| * @DMX_PES_VIDEO0: first video PID. Also referred as @DMX_PES_VIDEO. | |
| * @DMX_PES_TELETEXT0: first teletext PID. Also referred as @DMX_PES_TELETEXT. | |
| * @DMX_PES_SUBTITLE0: first subtitle PID. Also referred as @DMX_PES_SUBTITLE. | |
| * @DMX_PES_PCR0: first Program Clock Reference PID. | |
| * Also referred as @DMX_PES_PCR. | |
| * | |
| * @DMX_PES_AUDIO1: second audio PID. | |
| * @DMX_PES_VIDEO1: second video PID. | |
| * @DMX_PES_TELETEXT1: second teletext PID. | |
| * @DMX_PES_SUBTITLE1: second subtitle PID. | |
| * @DMX_PES_PCR1: second Program Clock Reference PID. | |
| * | |
| * @DMX_PES_AUDIO2: third audio PID. | |
| * @DMX_PES_VIDEO2: third video PID. | |
| * @DMX_PES_TELETEXT2: third teletext PID. | |
| * @DMX_PES_SUBTITLE2: third subtitle PID. | |
| * @DMX_PES_PCR2: third Program Clock Reference PID. | |
| * | |
| * @DMX_PES_AUDIO3: fourth audio PID. | |
| * @DMX_PES_VIDEO3: fourth video PID. | |
| * @DMX_PES_TELETEXT3: fourth teletext PID. | |
| * @DMX_PES_SUBTITLE3: fourth subtitle PID. | |
| * @DMX_PES_PCR3: fourth Program Clock Reference PID. | |
| * | |
| * @DMX_PES_OTHER: any other PID. | |
| */ | |
| 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 | |
| }; | |
| #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 | |
| /** | |
| * struct dmx_filter - Specifies a section header filter. | |
| * | |
| * @filter: bit array with bits to be matched at the section header. | |
| * @mask: bits that are valid at the filter bit array. | |
| * @mode: mode of match: if bit is zero, it will match if equal (positive | |
| * match); if bit is one, it will match if the bit is negated. | |
| * | |
| * Note: All arrays in this struct have a size of DMX_FILTER_SIZE (16 bytes). | |
| */ | |
| struct dmx_filter { | |
| __u8 filter[DMX_FILTER_SIZE]; | |
| __u8 mask[DMX_FILTER_SIZE]; | |
| __u8 mode[DMX_FILTER_SIZE]; | |
| }; | |
| /** | |
| * struct dmx_sct_filter_params - Specifies a section filter. | |
| * | |
| * @pid: PID to be filtered. | |
| * @filter: section header filter, as defined by &struct dmx_filter. | |
| * @timeout: maximum time to filter, in milliseconds. | |
| * @flags: extra flags for the section filter. | |
| * | |
| * Carries the configuration for a MPEG-TS section filter. | |
| * | |
| * The @flags can be: | |
| * | |
| * - %DMX_CHECK_CRC - only deliver sections where the CRC check succeeded; | |
| * - %DMX_ONESHOT - disable the section filter after one section | |
| * has been delivered; | |
| * - %DMX_IMMEDIATE_START - Start filter immediately without requiring a | |
| * :ref:`DMX_START`. | |
| */ | |
| struct dmx_sct_filter_params { | |
| __u16 pid; | |
| struct dmx_filter filter; | |
| __u32 timeout; | |
| __u32 flags; | |
| #define DMX_CHECK_CRC 1 | |
| #define DMX_ONESHOT 2 | |
| #define DMX_IMMEDIATE_START 4 | |
| }; | |
| /** | |
| * struct dmx_pes_filter_params - Specifies Packetized Elementary Stream (PES) | |
| * filter parameters. | |
| * | |
| * @pid: PID to be filtered. | |
| * @input: Demux input, as specified by &enum dmx_input. | |
| * @output: Demux output, as specified by &enum dmx_output. | |
| * @pes_type: Type of the pes filter, as specified by &enum dmx_pes_type. | |
| * @flags: Demux PES flags. | |
| */ | |
| struct dmx_pes_filter_params { | |
| __u16 pid; | |
| enum dmx_input input; | |
| enum dmx_output output; | |
| enum dmx_ts_pes pes_type; | |
| __u32 flags; | |
| }; | |
| /** | |
| * struct dmx_stc - Stores System Time Counter (STC) information. | |
| * | |
| * @num: input data: number of the STC, from 0 to N. | |
| * @base: output: divisor for STC to get 90 kHz clock. | |
| * @stc: output: stc in @base * 90 kHz units. | |
| */ | |
| struct dmx_stc { | |
| unsigned int num; | |
| unsigned int base; | |
| __u64 stc; | |
| }; | |
| #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_STC _IOWR('o', 50, struct dmx_stc) | |
| #define DMX_ADD_PID _IOW('o', 51, __u16) | |
| #define DMX_REMOVE_PID _IOW('o', 52, __u16) | |
| #if !defined(__KERNEL__) | |
| /* This is needed for legacy userspace support */ | |
| typedef enum dmx_output dmx_output_t; | |
| typedef enum dmx_input dmx_input_t; | |
| typedef enum dmx_ts_pes dmx_pes_type_t; | |
| typedef struct dmx_filter dmx_filter_t; | |
| #endif | |
| #endif /* _UAPI_DVBDMX_H_ */ |