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+/*
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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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+
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+#ifndef _UAPI_DVBVIDEO_H_
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+#define _UAPI_DVBVIDEO_H_
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+
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+#include <linux/types.h>
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+#ifndef __KERNEL__
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+#include <stdint.h>
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+#include <time.h>
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+#endif
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+
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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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+
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+
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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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+
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+
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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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+
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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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+
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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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+
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+
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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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+
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+ __kernel_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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+ unsigned char vsync_field; /* unknown/odd/even/progressive */
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+ } u;
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+};
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+
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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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+
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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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+ __s32 size;
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+};
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+
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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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+
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+
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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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+
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+
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+typedef struct video_spu_palette { /* SPU Palette information */
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+ int length;
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+ __u8 __user *palette;
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+} video_spu_palette_t;
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+
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+
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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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+
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+
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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=camera, 1=film (625/50 only)) */
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+
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+
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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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+
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+
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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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+/**
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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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+
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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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+
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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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+
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+#endif /* _UAPI_DVBVIDEO_H_ */
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