2435be11ae
The cx23415 adds some extra features that this DVB decoding API did not support. This API has been expanded to support the required features. Both source and binary backwards compatibility is kept intact by these changes. So existing applications are not affected. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Ralph Metzler <rjkm@metzlerbros.de> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
266 lines
8.0 KiB
C
266 lines
8.0 KiB
C
/*
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* video.h
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*
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* Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
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* & Ralph Metzler <ralph@convergence.de>
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* for convergence integrated media GmbH
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*
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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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*
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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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*
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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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*
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*/
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#ifndef _DVBVIDEO_H_
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#define _DVBVIDEO_H_
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#include <linux/compiler.h>
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#ifdef __KERNEL__
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#include <linux/types.h>
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#else
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#include <stdint.h>
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#include <time.h>
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#endif
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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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__u32 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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struct video_event {
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int32_t 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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time_t 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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} 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 __user *iFrame; /* pointer to a single iframe in memory */
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int32_t 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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uint8_t contrast1; /* 7- 4 Pattern pixel contrast */
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/* 3- 0 Background pixel contrast */
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uint8_t contrast2; /* 7- 4 Emphasis pixel-2 contrast */
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/* 3- 0 Emphasis pixel-1 contrast */
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uint8_t color1; /* 7- 4 Pattern pixel color */
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/* 3- 0 Background pixel color */
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uint8_t color2; /* 7- 4 Emphasis pixel-2 color */
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/* 3- 0 Emphasis pixel-1 color */
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uint32_t 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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uint32_t 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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uint8_t __user *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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uint8_t data[1024];
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} video_navi_pack_t;
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typedef uint16_t 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=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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*
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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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*
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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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*/
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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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