mirror of https://github.com/mpv-player/mpv
49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
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#ifndef __GTF_H
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#define __GTF_H
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#include "linux/vbelib.h"
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#define GTF_VF 0
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#define GTF_HF 1
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#define GTF_PF 2
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typedef struct {
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double Vsync_need; /* Number of lines for vert sync (default 3) */
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double min_Vsync_BP; /* Minimum vertical sync + back porch (us) (default 550)*/
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double min_front_porch; /* Minimum front porch in lines (default 1) */
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double char_cell_granularity; /* Character cell granularity in pixels (default 8) */
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double margin_width; /* Top/ bottom MARGIN size as % of height (%) (default 1.8) */
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double sync_width; /* Sync width percent of line period ( default 8) */
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double c; /* Blanking formula offset (default 40)*/
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double j; /* Blanking formula scaling factor weight (default 20)*/
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double k; /* Blanking formula scaling factor (default 128)*/
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double m; /* Blanking formula gradient (default 600)*/
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} GTF_constants;
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//#ifndef __VESA_VBELIB_INCLUDED__
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// struct VesaCRTCInfoBlock {
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// unsigned short hTotal; /* Horizontal total in pixels */
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// unsigned short hSyncStart; /* Horizontal sync start in pixels */
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// unsigned short hSyncEnd; /* Horizontal sync end in pixels */
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// unsigned short vTotal; /* Vertical total in lines */
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// unsigned short vSyncStart; /* Vertical sync start in lines */
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// unsigned short vSyncEnd; /* Vertical sync end in lines */
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// unsigned char Flags; /* Flags (Interlaced, Double Scan etc) */
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// unsigned long PixelClock; /* Pixel clock in units of Hz */
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// unsigned short RefreshRate;/* Refresh rate in units of 0.01 Hz*/
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// unsigned char Reserved[40];/* remainder of CRTCInfoBlock*/
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//}__attribute__ ((packed));
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//#define VESA_CRTC_DOUBLESCAN 0x01
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//#define VESA_CRTC_INTERLACED 0x02
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//#define VESA_CRTC_HSYNC_NEG 0x04
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//#define VESA_CRTC_VSYNC_NEG 0x08
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//#endif
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void GTF_calcTimings(double X,double Y,double freq, int type,
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int want_margins, int want_interlace,struct VesaCRTCInfoBlock *result);
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#endif
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