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/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */

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* video.h

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* & Ralph Metzler <ralph@convergence.de>

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* for convergence integrated media GmbH

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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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* 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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* 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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#ifndef _DVBVIDEO_H_

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#define _DVBVIDEO_H_

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#include <linux/types.h>

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#include <time.h>

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typedef enum {

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VIDEO_FORMAT_4_3, /* Select 4:3 format */

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VIDEO_FORMAT_16_9, /* Select 16:9 format. */

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VIDEO_FORMAT_221_1 /* 2.21:1 */

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} video_format_t;

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typedef enum {

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VIDEO_SYSTEM_PAL,

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VIDEO_SYSTEM_NTSC,

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VIDEO_SYSTEM_PALN,

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VIDEO_SYSTEM_PALNc,

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VIDEO_SYSTEM_PALM,

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VIDEO_SYSTEM_NTSC60,

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VIDEO_SYSTEM_PAL60,

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VIDEO_SYSTEM_PALM60

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} video_system_t;

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typedef enum {

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VIDEO_PAN_SCAN, /* use pan and scan format */

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VIDEO_LETTER_BOX, /* use letterbox format */

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VIDEO_CENTER_CUT_OUT /* use center cut out format */

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} video_displayformat_t;

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typedef struct {

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int w;

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int h;

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video_format_t aspect_ratio;

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} video_size_t;

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typedef enum {

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VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */

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VIDEO_SOURCE_MEMORY /* If this source is selected, the stream

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comes from the user through the write

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system call */

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} video_stream_source_t;

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typedef enum {

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VIDEO_STOPPED, /* Video is stopped */

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VIDEO_PLAYING, /* Video is currently playing */

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VIDEO_FREEZED /* Video is freezed */

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} video_play_state_t;

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/* Decoder commands */

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#define VIDEO_CMD_PLAY (0)

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#define VIDEO_CMD_STOP (1)

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#define VIDEO_CMD_FREEZE (2)

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#define VIDEO_CMD_CONTINUE (3)

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/* Flags for VIDEO_CMD_FREEZE */

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#define VIDEO_CMD_FREEZE_TO_BLACK (1 << 0)

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/* Flags for VIDEO_CMD_STOP */

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#define VIDEO_CMD_STOP_TO_BLACK (1 << 0)

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#define VIDEO_CMD_STOP_IMMEDIATELY (1 << 1)

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/* Play input formats: */

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/* The decoder has no special format requirements */

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#define VIDEO_PLAY_FMT_NONE (0)

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/* The decoder requires full GOPs */

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#define VIDEO_PLAY_FMT_GOP (1)

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/* The structure must be zeroed before use by the application

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This ensures it can be extended safely in the future. */

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struct video_command {

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__u32 cmd;

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__u32 flags;

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union {

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struct {

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__u64 pts;

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} stop;

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struct {

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/* 0 or 1000 specifies normal speed,

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1 specifies forward single stepping,

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-1 specifies backward single stepping,

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>1: playback at speed/1000 of the normal speed,

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<-1: reverse playback at (-speed/1000) of the normal speed. */

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__s32 speed;

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__u32 format;

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} play;

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struct {

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__u32 data[16];

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} raw;

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};

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};

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/* FIELD_UNKNOWN can be used if the hardware does not know whether

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the Vsync is for an odd, even or progressive (i.e. non-interlaced)

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field. */

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#define VIDEO_VSYNC_FIELD_UNKNOWN (0)

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#define VIDEO_VSYNC_FIELD_ODD (1)

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#define VIDEO_VSYNC_FIELD_EVEN (2)

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#define VIDEO_VSYNC_FIELD_PROGRESSIVE (3)

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struct video_event {

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__s32 type;

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#define VIDEO_EVENT_SIZE_CHANGED 1

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#define VIDEO_EVENT_FRAME_RATE_CHANGED 2

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#define VIDEO_EVENT_DECODER_STOPPED 3

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#define VIDEO_EVENT_VSYNC 4

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/* unused, make sure to use atomic time for y2038 if it ever gets used */

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long timestamp;

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union {

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video_size_t size;

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unsigned int frame_rate; /* in frames per 1000sec */

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unsigned char vsync_field; /* unknown/odd/even/progressive */

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} u;

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};

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struct video_status {

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int video_blank; /* blank video on freeze? */

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video_play_state_t play_state; /* current state of playback */

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video_stream_source_t stream_source; /* current source (demux/memory) */

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video_format_t video_format; /* current aspect ratio of stream*/

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video_displayformat_t display_format;/* selected cropping mode */

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};

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struct video_still_picture {

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char *iFrame; /* pointer to a single iframe in memory */

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__s32 size;

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};

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typedef

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struct video_highlight {

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int active; /* 1=show highlight, 0=hide highlight */

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__u8 contrast1; /* 7- 4 Pattern pixel contrast */

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/* 3- 0 Background pixel contrast */

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__u8 contrast2; /* 7- 4 Emphasis pixel-2 contrast */

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/* 3- 0 Emphasis pixel-1 contrast */

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__u8 color1; /* 7- 4 Pattern pixel color */

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/* 3- 0 Background pixel color */

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__u8 color2; /* 7- 4 Emphasis pixel-2 color */

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/* 3- 0 Emphasis pixel-1 color */

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__u32 ypos; /* 23-22 auto action mode */

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/* 21-12 start y */

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/* 9- 0 end y */

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__u32 xpos; /* 23-22 button color number */

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/* 21-12 start x */

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/* 9- 0 end x */

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} video_highlight_t;

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typedef struct video_spu {

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int active;

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int stream_id;

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} video_spu_t;

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typedef struct video_spu_palette { /* SPU Palette information */

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int length;

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__u8 *palette;

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} video_spu_palette_t;

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typedef struct video_navi_pack {

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int length; /* 0 ... 1024 */

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__u8 data[1024];

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} video_navi_pack_t;

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typedef __u16 video_attributes_t;

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/* bits: descr. */

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/* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */

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/* 13-12 TV system (0=525/60, 1=625/50) */

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/* 11-10 Aspect ratio (0=4:3, 3=16:9) */

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/* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */

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/* 7 line 21-1 data present in GOP (1=yes, 0=no) */

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/* 6 line 21-2 data present in GOP (1=yes, 0=no) */

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/* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */

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/* 2 source letterboxed (1=yes, 0=no) */

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/* 0 film/camera mode (0=

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*camera, 1=film (625/50 only)) */

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/* bit definitions for capabilities: */

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/* can the hardware decode MPEG1 and/or MPEG2? */

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#define VIDEO_CAP_MPEG1 1

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#define VIDEO_CAP_MPEG2 2

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/* can you send a system and/or program stream to video device?

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(you still have to open the video and the audio device but only

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send the stream to the video device) */

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#define VIDEO_CAP_SYS 4

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#define VIDEO_CAP_PROG 8

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/* can the driver also handle SPU, NAVI and CSS encoded data?

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(CSS API is not present yet) */

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#define VIDEO_CAP_SPU 16

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#define VIDEO_CAP_NAVI 32

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#define VIDEO_CAP_CSS 64

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#define VIDEO_STOP _IO('o', 21)

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#define VIDEO_PLAY _IO('o', 22)

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#define VIDEO_FREEZE _IO('o', 23)

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#define VIDEO_CONTINUE _IO('o', 24)

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#define VIDEO_SELECT_SOURCE _IO('o', 25)

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#define VIDEO_SET_BLANK _IO('o', 26)

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#define VIDEO_GET_STATUS _IOR('o', 27, struct video_status)

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#define VIDEO_GET_EVENT _IOR('o', 28, struct video_event)

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#define VIDEO_SET_DISPLAY_FORMAT _IO('o', 29)

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#define VIDEO_STILLPICTURE _IOW('o', 30, struct video_still_picture)

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#define VIDEO_FAST_FORWARD _IO('o', 31)

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#define VIDEO_SLOWMOTION _IO('o', 32)

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#define VIDEO_GET_CAPABILITIES _IOR('o', 33, unsigned int)

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#define VIDEO_CLEAR_BUFFER _IO('o', 34)

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#define VIDEO_SET_ID _IO('o', 35)

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#define VIDEO_SET_STREAMTYPE _IO('o', 36)

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#define VIDEO_SET_FORMAT _IO('o', 37)

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#define VIDEO_SET_SYSTEM _IO('o', 38)

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#define VIDEO_SET_HIGHLIGHT _IOW('o', 39, video_highlight_t)

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#define VIDEO_SET_SPU _IOW('o', 50, video_spu_t)

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#define VIDEO_SET_SPU_PALETTE _IOW('o', 51, video_spu_palette_t)

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#define VIDEO_GET_NAVI _IOR('o', 52, video_navi_pack_t)

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#define VIDEO_SET_ATTRIBUTES _IO('o', 53)

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#define VIDEO_GET_SIZE _IOR('o', 55, video_size_t)

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#define VIDEO_GET_FRAME_RATE _IOR('o', 56, unsigned int)

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/**

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* VIDEO_GET_PTS

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* Read the 33 bit presentation time stamp as defined

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* in ITU T-REC-H.222.0 / ISO/IEC 13818-1.

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* The PTS should belong to the currently played

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* frame if possible, but may also be a value close to it

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* like the PTS of the last decoded frame or the last PTS

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* extracted by the PES parser.

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#define VIDEO_GET_PTS _IOR('o', 57, __u64)

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/* Read the number of displayed frames since the decoder was started */

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#define VIDEO_GET_FRAME_COUNT _IOR('o', 58, __u64)

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#define VIDEO_COMMAND _IOWR('o', 59, struct video_command)

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#define VIDEO_TRY_COMMAND _IOWR('o', 60, struct video_command)

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#endif /* _DVBVIDEO_H_ */

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