mirror of
https://github.com/mpv-player/mpv
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b40e5e88d5
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27116 b3059339-0415-0410-9bf9-f77b7e298cf2
391 lines
13 KiB
C
391 lines
13 KiB
C
/*
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* VIDIX - VIDeo Interface for *niX.
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*
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* This interface is introduced as universal one to MPEG decoder,
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* Back End Scaler (BES) and YUV2RGB hw accelerators.
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*
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* In the future it may be expanded up to capturing and audio things.
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* Main goal of this this interface imlpementation is providing DGA
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* everywhere where it's possible (unlike X11 and other).
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*
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* This interface is based on v4l2, fbvid.h, mga_vid.h projects
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* and my personal ideas.
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*
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* NOTE: This interface is introduced as driver interface.
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*
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* Copyright (C) 2002 Nick Kurshev
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* Copyright (C) 2007 Benjamin Zores <ben@geexbox.org>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_VIDIX_H
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#define MPLAYER_VIDIX_H
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#define PROBE_NORMAL 0 /* normal probing */
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#define PROBE_FORCE 1 /* ignore device_id but recognize device if it's known */
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typedef enum vidix_dev_type {
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TYPE_OUTPUT = 0x00000000, /* Is a video playback device */
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TYPE_CAPTURE = 0x00000001, /* Is a capture device */
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TYPE_CODEC = 0x00000002, /* Device supports hw (de)coding */
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TYPE_FX = 0x00000004, /* Is a video effects device */
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} vidix_dev_type_t;
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typedef enum vidix_dev_flag {
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FLAG_NONE = 0x00000000, /* No flags defined */
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FLAG_DMA = 0x00000001, /* Card can use DMA */
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/* Card can use DMA only if src pitch == dest pitch */
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FLAG_EQ_DMA = 0x00000002,
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/* Possible to wait for DMA to finish. See BM_DMA_SYNC and BM_DMA_BLOCK */
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FLAG_SYNC_DMA = 0x00000004,
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FLAG_UPSCALER = 0x00000010, /* Card supports hw upscaling */
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FLAG_DOWNSCALER = 0x00000020, /* Card supports hw downscaling */
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FLAG_SUBPIC = 0x00001000, /* Card supports DVD subpictures */
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FLAG_EQUALIZER = 0x00002000, /* Card supports equalizer */
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} vidix_dev_flag_t;
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typedef struct vidix_capability_s
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{
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char name[64]; /* Driver name */
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char author[64]; /* Author name */
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vidix_dev_type_t type;
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unsigned reserved0[4];
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int maxwidth;
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int maxheight;
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int minwidth;
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int minheight;
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int maxframerate; /* -1 if unlimited */
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vidix_dev_flag_t flags;
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unsigned short vendor_id;
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unsigned short device_id;
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unsigned reserved1[4];
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} vidix_capability_t;
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typedef enum vidix_depth {
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VID_DEPTH_NONE = 0x0000,
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VID_DEPTH_1BPP = 0x0001,
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VID_DEPTH_2BPP = 0x0002,
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VID_DEPTH_4BPP = 0x0004,
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VID_DEPTH_8BPP = 0x0008,
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VID_DEPTH_12BPP = 0x0010,
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VID_DEPTH_15BPP = 0x0020,
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VID_DEPTH_16BPP = 0x0040,
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VID_DEPTH_24BPP = 0x0080,
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VID_DEPTH_32BPP = 0x0100,
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VID_DEPTH_ALL = VID_DEPTH_1BPP | VID_DEPTH_2BPP | \
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VID_DEPTH_4BPP | VID_DEPTH_8BPP | \
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VID_DEPTH_12BPP | VID_DEPTH_15BPP | \
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VID_DEPTH_16BPP | VID_DEPTH_24BPP | \
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VID_DEPTH_32BPP,
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} vidix_depth_t;
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typedef enum vidix_cap {
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VID_CAP_NONE = 0x0000,
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/* if overlay can be bigger than source */
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VID_CAP_EXPAND = 0x0001,
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/* if overlay can be smaller than source */
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VID_CAP_SHRINK = 0x0002,
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/* if overlay can be blended with framebuffer */
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VID_CAP_BLEND = 0x0004,
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/* if overlay can be restricted to a colorkey */
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VID_CAP_COLORKEY = 0x0008,
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/* if overlay can be restricted to an alpha channel */
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VID_CAP_ALPHAKEY = 0x0010,
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/* if the colorkey can be a range */
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VID_CAP_COLORKEY_ISRANGE = 0x0020,
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/* if the alphakey can be a range */
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VID_CAP_ALPHAKEY_ISRANGE = 0x0040,
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/* colorkey is checked against framebuffer */
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VID_CAP_COLORKEY_ISMAIN = 0x0080,
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/* colorkey is checked against overlay */
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VID_CAP_COLORKEY_ISOVERLAY = 0x0100,
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/* alphakey is checked against framebuffer */
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VID_CAP_ALPHAKEY_ISMAIN = 0x0200,
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/* alphakey is checked against overlay */
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VID_CAP_ALPHAKEY_ISOVERLAY = 0x0400,
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} vidix_cap_t;
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typedef struct vidix_fourcc_s
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{
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unsigned fourcc; /* input: requested fourcc */
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vidix_depth_t depth; /* output: screen depth for given fourcc */
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vidix_cap_t flags; /* output: capability */
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} vidix_fourcc_t;
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typedef struct vidix_yuv_s
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{
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unsigned y,u,v;
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} vidix_yuv_t;
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typedef struct vidix_rect_s
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{
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unsigned x,y,w,h; /* in pixels */
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vidix_yuv_t pitch; /* line-align in bytes */
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} vidix_rect_t;
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typedef enum vidix_color_key_op {
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CKEY_FALSE = 0,
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CKEY_TRUE = 1,
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CKEY_EQ = 2,
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CKEY_NEQ = 3,
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CKEY_ALPHA = 4,
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} vidix_color_key_op_t;
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typedef struct vidix_color_key_s
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{
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vidix_color_key_op_t op; /* defines logical operation */
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unsigned char red;
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unsigned char green;
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unsigned char blue;
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unsigned char reserved;
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}vidix_ckey_t;
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typedef enum vidix_video_key_op {
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VKEY_FALSE = 0,
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VKEY_TRUE = 1,
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VKEY_EQ = 2,
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VKEY_NEQ = 3,
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} vidix_video_key_op_t;
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typedef struct vidix_video_key_s {
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vidix_video_key_op_t op; /* defines logical operation */
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unsigned char key[8];
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} vidix_vkey_t;
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typedef enum vidix_interleave {
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VID_PLAY_INTERLEAVED_UV = 0x00000001,
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/* UVUVUVUVUV used by Matrox G200 */
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INTERLEAVING_UV = 0x00001000,
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/* VUVUVUVUVU */
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INTERLEAVING_VU = 0x00001001,
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} vidix_interleave_t;
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#define VID_PLAY_MAXFRAMES 64 /* unreal limitation */
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typedef struct vidix_playback_s
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{
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unsigned fourcc; /* app -> driver: movies's fourcc */
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unsigned capability; /* app -> driver: what capability to use */
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unsigned blend_factor; /* app -> driver: blending factor */
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vidix_rect_t src; /* app -> driver: original movie size */
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vidix_rect_t dest; /* app -> driver: destinition movie size.
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driver->app dest_pitch */
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vidix_interleave_t flags; /* driver -> app: interleaved UV planes */
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/* memory model */
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unsigned frame_size; /* driver -> app: destinition frame size */
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unsigned num_frames; /* app -> driver: after call: driver -> app */
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unsigned offsets[VID_PLAY_MAXFRAMES]; /* driver -> app */
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vidix_yuv_t offset; /* driver -> app: relative offsets
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within frame for yuv planes */
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void *dga_addr; /* driver -> app: linear address */
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} vidix_playback_t;
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typedef enum vidix_key_op {
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KEYS_PUT = 0,
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KEYS_AND = 1,
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KEYS_OR = 2,
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KEYS_XOR = 3,
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} vidix_key_op_t;
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typedef struct vidix_grkey_s
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{
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vidix_ckey_t ckey; /* app -> driver: color key */
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vidix_vkey_t vkey; /* app -> driver: video key */
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vidix_key_op_t key_op; /* app -> driver: keys operations */
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} vidix_grkey_t;
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typedef enum vidix_veq_cap {
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VEQ_CAP_NONE = 0x00000000UL,
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VEQ_CAP_BRIGHTNESS = 0x00000001UL,
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VEQ_CAP_CONTRAST = 0x00000002UL,
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VEQ_CAP_SATURATION = 0x00000004UL,
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VEQ_CAP_HUE = 0x00000008UL,
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VEQ_CAP_RGB_INTENSITY = 0x00000010UL,
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} vidix_veq_cap_t;
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typedef enum vidix_veq_flag {
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VEQ_FLG_ITU_R_BT_601 = 0x00000000, /* ITU-R BT.601 colour space (default) */
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VEQ_FLG_ITU_R_BT_709 = 0x00000001, /* ITU-R BT.709 colour space */
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VEQ_FLG_ITU_MASK = 0x0000000f,
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} vidix_veq_flag_t;
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typedef struct vidix_video_eq_s {
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vidix_veq_cap_t cap; /* on get_eq should contain capability of
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equalizer on set_eq should contain using fields */
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/* end-user app can have presets like: cold-normal-hot picture and so on */
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int brightness; /* -1000 : +1000 */
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int contrast; /* -1000 : +1000 */
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int saturation; /* -1000 : +1000 */
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int hue; /* -1000 : +1000 */
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int red_intensity; /* -1000 : +1000 */
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int green_intensity; /* -1000 : +1000 */
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int blue_intensity; /* -1000 : +1000 */
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vidix_veq_flag_t flags; /* currently specifies ITU YCrCb color
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space to use */
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} vidix_video_eq_t;
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typedef enum vidix_interlace_flag {
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/* stream is not interlaced */
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CFG_NON_INTERLACED = 0x00000000,
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/* stream is interlaced */
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CFG_INTERLACED = 0x00000001,
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/* first frame contains even fields but second - odd */
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CFG_EVEN_ODD_INTERLACING = 0x00000002,
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/* first frame contains odd fields but second - even */
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CFG_ODD_EVEN_INTERLACING = 0x00000004,
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/* field deinterlace_pattern is valid */
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CFG_UNIQUE_INTERLACING = 0x00000008,
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/* unknown deinterlacing - use adaptive if it's possible */
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CFG_UNKNOWN_INTERLACING = 0x0000000f,
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} vidix_interlace_flag_t;
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typedef struct vidix_deinterlace_s {
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vidix_interlace_flag_t flags;
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unsigned deinterlace_pattern; /* app -> driver: deinterlace pattern if
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flag CFG_UNIQUE_INTERLACING is set */
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} vidix_deinterlace_t;
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typedef struct vidix_slice_s {
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void *address; /* app -> driver */
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unsigned size; /* app -> driver */
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vidix_rect_t slice; /* app -> driver */
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} vidix_slice_t;
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typedef enum vidix_bm_flag {
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LVO_DMA_NOSYNC = 0,
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/* waits for vsync or hsync */
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LVO_DMA_SYNC = 1,
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} vidix_dma_flag_t;
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typedef struct vidix_dma_s
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{
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vidix_slice_t src; /* app -> driver */
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vidix_slice_t dest; /* app -> driver */
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vidix_dma_flag_t flags; /* app -> driver */
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} vidix_dma_t;
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typedef enum vidix_fx_type {
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FX_TYPE_BOOLEAN = 0x00000000,
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FX_TYPE_INTEGER = 0x00000001,
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} vidix_fx_type_t;
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/*
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This structure is introdused to support OEM effects like:
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- sharpness
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- exposure
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- (auto)gain
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- H(V)flip
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- black level
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- white balance
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and many other
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*/
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typedef struct vidix_oem_fx_s
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{
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vidix_fx_type_t type; /* type of effects */
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int num; /* app -> driver: effect number.
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From 0 to max number of effects */
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int minvalue; /* min value of effect. 0 - for boolean */
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int maxvalue; /* max value of effect. 1 - for boolean */
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int value; /* current value of effect on get; required on set */
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char *name[80]; /* effect name to display */
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} vidix_oem_fx_t;
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typedef struct VDXDriver {
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const char *name;
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struct VDXDriver *next;
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int (* probe) (int verbose, int force);
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int (* get_caps) (vidix_capability_t *cap);
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int (*query_fourcc)(vidix_fourcc_t *);
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int (*init)(void);
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void (*destroy)(void);
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int (*config_playback)(vidix_playback_t *);
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int (*playback_on)( void );
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int (*playback_off)( void );
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/* Functions below can be missed in driver ;) */
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int (*frame_sel)( unsigned frame_idx );
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int (*get_eq)( vidix_video_eq_t * );
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int (*set_eq)( const vidix_video_eq_t * );
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int (*get_deint)( vidix_deinterlace_t * );
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int (*set_deint)( const vidix_deinterlace_t * );
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int (*copy_frame)( const vidix_dma_t * );
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int (*get_gkey)( vidix_grkey_t * );
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int (*set_gkey)( const vidix_grkey_t * );
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} VDXDriver;
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typedef struct VDXContext {
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VDXDriver *drv;
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/* might be filled in by much more info later on */
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} VDXContext;
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/***************************************************************************/
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/* PUBLIC API */
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/***************************************************************************/
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/* Opens corresponded video driver and returns handle of associated stream.
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* path - specifies path where drivers are located.
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* name - specifies prefered driver name (can be NULL).
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* cap - specifies driver capability (TYPE_* constants).
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* verbose - specifies verbose level
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* returns handle if ok else NULL.
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*/
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VDXContext *vdlOpen (const char *name,unsigned cap,int verbose);
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/* Closes stream and corresponded driver. */
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void vdlClose (VDXContext *ctx);
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/* Queries driver capabilities. Return 0 if ok else errno */
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int vdlGetCapability (VDXContext *, vidix_capability_t *);
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/* Queries support for given fourcc. Returns 0 if ok else errno */
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int vdlQueryFourcc (VDXContext *, vidix_fourcc_t *);
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/* Returns 0 if ok else errno */
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int vdlConfigPlayback (VDXContext *, vidix_playback_t *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackOn (VDXContext *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackOff (VDXContext *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackFrameSelect (VDXContext *, unsigned frame_idx);
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/* Returns 0 if ok else errno */
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int vdlGetGrKeys (VDXContext *, vidix_grkey_t *);
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/* Returns 0 if ok else errno */
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int vdlSetGrKeys (VDXContext *, const vidix_grkey_t *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackGetEq (VDXContext *, vidix_video_eq_t *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackSetEq (VDXContext *, const vidix_video_eq_t *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackGetDeint (VDXContext *, vidix_deinterlace_t *);
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/* Returns 0 if ok else errno */
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int vdlPlaybackSetDeint (VDXContext *, const vidix_deinterlace_t *);
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/* Returns 0 if ok else errno */
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int vdlQueryNumOemEffects (VDXContext *, unsigned *number);
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#endif /* MPLAYER_VIDIX_H */
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