mirror of
https://github.com/mpv-player/mpv
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b093edc135
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4009 b3059339-0415-0410-9bf9-f77b7e298cf2
210 lines
6.6 KiB
C
210 lines
6.6 KiB
C
/*
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* vidix.h
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* VIDIX - VIDeo Interface for *niX
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* This interface is introduced as universal one to MPEG decoder,
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* BES == Back End Scaler and YUV2RGB hw accelerators.
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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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* Copyright 2002 Nick Kurshev
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* Licence: GPL
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* This interface is based on v4l2, fbvid.h, mga_vid.h projects
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* and personally my ideas.
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* NOTE: This interface is introduces as driver interface.
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* Don't use it for APP.
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*/
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#ifndef VIDIX_H
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#define VIDIX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define VIDIX_VERSION 100
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/* returns driver version */
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extern unsigned vixGetVersion( void );
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/* Probes video hw. Returns 0 if ok else errno */
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extern int vixProbe( int verbose );
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/* Initializes driver. Returns 0 if ok else errno */
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extern int vixInit( void );
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/* Destroys driver */
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extern void vixDestroy( void );
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typedef struct vidix_capability_s
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{
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char name[32]; /* Driver name */
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#define TYPE_OUTPUT 0x00000000 /* Is a video capture device */
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#define TYPE_CAPTURE 0x00000001 /* Is a CODEC device */
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#define TYPE_CODEC 0x00000002 /* Is a video output device */
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#define TYPE_FX 0x00000004 /* Is a video effects device */
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int type; /* Device type, see below */
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int inputs; /* Num video inputs */
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int outputs; /* Num video outputs */
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int in_audios; /* Num audio inputs */
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int out_audios; /* Num audio outputs */
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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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#define FLAG_NONE 0x00000000 /* No flags defined */
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#define FLAG_DMA 0x00000001 /* Card can use DMA */
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#define FLAG_UPSCALER 0x00000010 /* Card supports hw upscaling */
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#define FLAG_DOWNSCALER 0x00000020 /* Card supports hw downscaling */
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#define FLAG_SUBPIC 0x00001000 /* Card supports DVD subpictures */
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unsigned flags; /* Feature flags, see below */
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unsigned short vendor_id;
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unsigned short device_id;
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unsigned reserved[4];
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}vidix_capability_t;
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/* Should fill at least type before init.
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Returns 0 if ok else errno */
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extern int vixGetCapability(vidix_capability_t *);
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typedef struct vidix_fourcc_s
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{
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unsigned fourcc;
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#define VID_DEPTH_NONE 0x0000
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#define VID_DEPTH_1BPP 0x0001
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#define VID_DEPTH_2BPP 0x0002
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#define VID_DEPTH_4BPP 0x0004
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#define VID_DEPTH_8BPP 0x0008
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#define VID_DEPTH_12BPP 0x0010
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#define VID_DEPTH_15BPP 0x0020
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#define VID_DEPTH_16BPP 0x0040
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#define VID_DEPTH_24BPP 0x0080
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#define VID_DEPTH_32BPP 0x0100
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unsigned depth;
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#define VID_CAP_NONE 0x0000
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#define VID_CAP_EXPAND 0x0001 /* if overlay can be bigger than source */
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#define VID_CAP_SHRINK 0x0002 /* if overlay can be smaller than source */
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#define VID_CAP_BLEND 0x0004 /* if overlay can be blended with framebuffer */
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#define VID_CAP_COLORKEY 0x0008 /* if overlay can be restricted to a colorkey */
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#define VID_CAP_ALPHAKEY 0x0010 /* if overlay can be restricted to an alpha channel */
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#define VID_CAP_COLORKEY_ISRANGE 0x0020 /* if the colorkey can be a range */
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#define VID_CAP_ALPHAKEY_ISRANGE 0x0040 /* if the alphakey can be a range */
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#define VID_CAP_COLORKEY_ISMAIN 0x0080 /* colorkey is checked against framebuffer */
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#define VID_CAP_COLORKEY_ISOVERLAY 0x0100 /* colorkey is checked against overlay */
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#define VID_CAP_ALPHAKEY_ISMAIN 0x0200 /* alphakey is checked against framebuffer */
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#define VID_CAP_ALPHAKEY_ISOVERLAY 0x0400 /* alphakey is checked against overlay */
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unsigned flags;
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}vidix_fourcc_t;
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/* Returns 0 if ok else errno */
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extern int vixQueryFourcc(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 struct vidix_color_key_s
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{
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#define CKEY_FALSE 0
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#define CKEY_TRUE 1
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#define CKEY_EQ 2
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#define CKEY_NEQ 3
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unsigned 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 struct vidix_video_key_s
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{
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#define VKEY_FALSE 0
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#define VKEY_TRUE 1
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#define VKEY_EQ 2
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#define VKEY_NEQ 3
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unsigned op; /* defines logical operation */
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unsigned char key[8];
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}vidix_vkey_t;
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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: blenfing 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. driver->app dest_pitch */
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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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#define KEYS_PUT 0
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#define KEYS_AND 1
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#define KEYS_OR 2
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#define KEYS_XOR 3
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unsigned key_op; /* app -> driver: keys operations */
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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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#define LVO_MAXFRAMES 32
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unsigned offsets[LVO_MAXFRAMES]; /* driver -> app */
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vidix_yuv_t offset; /* driver -> app: relative offsets 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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/* Returns 0 if ok else errno */
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extern int vixConfigPlayback(vidix_playback_t *);
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/* Returns 0 if ok else errno */
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extern int vixPlaybackOn( void );
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/* Returns 0 if ok else errno */
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extern int vixPlaybackOff( void );
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/* Returns 0 if ok else errno */
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extern int vixPlaybackFrameSelect( unsigned frame_idx );
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typedef struct vidix_video_eq_s
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{
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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_intense; /* -1000 : +1000 */
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int green_intense; /* -1000 : +1000 */
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int blue_intense; /* -1000 : +1000 */
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}vidix_video_eq_t;
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/* Returns 0 if ok else errno */
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extern int vixPlaybackGetEq( vidix_video_eq_t * );
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/* Returns 0 if ok else errno */
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extern int vixPlaybackSetEq( const vidix_video_eq_t * );
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typedef struct vidix_slice_s
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{
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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 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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#define LVO_DMA_NOSYNC 0
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#define LVO_DMA_SYNC 1 /* means: wait vsync or hsync */
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unsigned flags; /* app -> driver */
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}vidix_dma_t;
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/* Returns 0 if ok else errno */
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extern int vixPlaybackCopyFrame( const vidix_dma_t * );
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#ifdef __cplusplus
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}
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#endif
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#endif
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