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mpv/libvo/vo_vesa.c
faust3 1addcfe22b Currently vbeGetProtModeInfo call the 0x4f0a function of int 10h the get
a simple 32 bits protected mode interface to some VESA functions. This
protected mode interface is interesting because it's quicker than the
raw int 10h interface.
Unfortunatly, begining with VBE 3.0, the 0x4f0a function is optional,
and some video cards don't implement it (3dfx, intel 845/855/865...).
This protected mode interface is then only used in vbeSetWindow and
vbeSetDisplayStart :
 - vbeSetWindow already implement an alternative methode if protected
mode interface is not available.
 - vbeSetDisplayStart also contain an alternative implementation, but
this one is disabled with a #if 0. I don't exactly know why because
it works well !

So currently, cards which don't have the 0x4f0a function are not
supported. This patch correct this.
 - vbeGetProtModeInfo failure is not fatal.
 - vbeSetDisplayStart has it's alternative implementation reenabled.
   it's used only with cards which don't have the 0x4f0a function
   so this won't make any difference for cards which were already
   working.

This patch also make the failure of vbeGetModeInfo not fatal. The
VBE 3.0 standard state that GetModeInfo can fail with some mode
which are listed as supported if the mode can't be used in the
current situation (not enough video memory for example). So a
failure of vbeGetModeInfo don't mean that other modes won't work
and should really not be fatal.

patch by Aurelien Jacobs <aurel@gnuage.org>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13569 b3059339-0415-0410-9bf9-f77b7e298cf2
2004-10-06 08:42:13 +00:00

1127 lines
32 KiB
C

/*
* video_out_vesa.c
*
* Copyright (C) Nick Kurshev <nickols_k@mail.ru> - Oct 2001
*
* You can redistribute this file under terms and conditions
* of GNU General Public licence v2.
* This file is partly based on vbetest.c from lrmi distributive.
*/
/*
TODO:
- hw YUV support (need volunteers who have corresponding hardware)
- triple buffering (if it will really speedup playback).
note: triple buffering requires VBE 3.0 - need volunteers.
*/
#include "config.h"
#include "gtf.h"
#include <stdio.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <limits.h>
#include <unistd.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "video_out.h"
#include "video_out_internal.h"
#include "fastmemcpy.h"
#include "sub.h"
#include "osdep/vbelib.h"
#include "bswap.h"
#include "aspect.h"
#include "vesa_lvo.h"
#ifdef CONFIG_VIDIX
#include "vosub_vidix.h"
#endif
#include "../postproc/swscale.h"
#include "../libmpcodecs/vf_scale.h"
#ifdef HAVE_PNG
extern vo_functions_t video_out_png;
#endif
extern int verbose;
extern char *monitor_hfreq_str;
extern char *monitor_vfreq_str;
extern char *monitor_dotclock_str;
#define MAX_BUFFERS 3
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
#endif
#ifndef min
#define min(a,b) ((a)<(b)?(a):(b))
#endif
#define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
static vo_info_t info =
{
"VESA VBE 2.0 video output",
"vesa",
"Nick Kurshev <nickols_k@mail.ru>",
"Requires ROOT privileges"
};
LIBVO_EXTERN(vesa)
/* driver data */
struct win_frame
{
uint8_t *ptr; /* pointer to window's frame memory */
uint32_t low; /* lowest boundary of frame */
uint32_t high; /* highest boundary of frame */
char idx; /* indicates index of relocatable frame (A=0 or B=1)
special case for DGA: idx=-1
idx=-2 indicates invalid frame, exists only in init() */
};
static void (*cpy_blk_fnc)(unsigned long,uint8_t *,unsigned long) = NULL;
static uint32_t srcW=0,srcH=0,srcBpp,srcFourcc; /* source image description */
static uint32_t dstBpp,dstW, dstH,dstFourcc; /* destinition image description */
static struct SwsContext * sws = NULL;
static int32_t x_offset,y_offset; /* to center image on screen */
static unsigned init_mode=0; /* mode before run of mplayer */
static void *init_state = NULL; /* state before run of mplayer */
static struct win_frame win; /* real-mode window to video memory */
static uint8_t *dga_buffer = NULL; /* for yuv2rgb and sw_scaling */
static unsigned video_mode; /* selected video mode for playback */
static struct VesaModeInfoBlock video_mode_info;
static int flip_trigger = 0;
static void (*draw_alpha_fnc)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
/* multibuffering */
uint8_t* video_base; /* should be never changed */
uint32_t multi_buff[MAX_BUFFERS]; /* contains offsets of buffers */
uint8_t multi_size=0; /* total number of buffers */
uint8_t multi_idx=0; /* active buffer */
/* Linux Video Overlay */
static const char *lvo_name = NULL;
static int lvo_opened = 0;
#ifdef CONFIG_VIDIX
static const char *vidix_name = NULL;
static int vidix_opened = 0;
static vidix_grkey_t gr_key;
#endif
/* Neomagic TV out */
static int neomagic_tvout = 0;
static int neomagic_tvnorm = NEO_PAL;
#define HAS_DGA() (win.idx == -1)
#define MOVIE_MODE (MODE_ATTR_COLOR | MODE_ATTR_GRAPHICS)
#define FRAME_MODE (MODE_WIN_RELOCATABLE | MODE_WIN_WRITEABLE)
static char * vbeErrToStr(int err)
{
char *retval;
static char sbuff[80];
if((err & VBE_VESA_ERROR_MASK) == VBE_VESA_ERROR_MASK)
{
sprintf(sbuff,"VESA failed = 0x4f%02x",(err & VBE_VESA_ERRCODE_MASK)>>8);
retval = sbuff;
}
else
switch(err)
{
case VBE_OK: retval = "No error"; break;
case VBE_VM86_FAIL: retval = "vm86() syscall failed"; break;
case VBE_OUT_OF_DOS_MEM: retval = "Out of DOS memory"; break;
case VBE_OUT_OF_MEM: retval = "Out of memory"; break;
case VBE_BROKEN_BIOS: retval = "Broken BIOS or DOS TSR"; break;
default: sprintf(sbuff,"Unknown or internal error: %i",err); retval=sbuff; break;
}
return retval;
}
#define PRINT_VBE_ERR(name,err) { printf("vo_vesa: %s returns: %s\n",name,vbeErrToStr(err)); fflush(stdout); }
static void vesa_term( void )
{
int err;
if(lvo_opened) { vlvo_term(); lvo_opened = 0; }
#ifdef CONFIG_VIDIX
else if(vidix_opened) { vidix_term(); vidix_opened = 0; }
#endif
if(init_state) if((err=vbeRestoreState(init_state)) != VBE_OK) PRINT_VBE_ERR("vbeRestoreState",err);
init_state=NULL;
if(init_mode) if((err=vbeSetMode(init_mode,NULL)) != VBE_OK) PRINT_VBE_ERR("vbeSetMode",err);
init_mode=0;
if(HAS_DGA()) vbeUnmapVideoBuffer((unsigned long)win.ptr,win.high);
if(dga_buffer && !HAS_DGA()) free(dga_buffer);
vbeDestroy();
if(sws) sws_freeContext(sws);
sws=NULL;
}
#define VALID_WIN_FRAME(offset) (offset >= win.low && offset < win.high)
#define VIDEO_PTR(offset) (win.ptr + offset - win.low)
static inline void __vbeSwitchBank(unsigned long offset)
{
unsigned long gran;
unsigned new_offset;
int err;
gran = video_mode_info.WinGranularity*1024;
new_offset = offset / gran;
if(HAS_DGA()) { err = -1; goto show_err; }
if((err=vbeSetWindow(win.idx,new_offset)) != VBE_OK)
{
show_err:
vesa_term();
PRINT_VBE_ERR("vbeSetWindow",err);
printf("vo_vesa: Fatal error occurred! Can't continue\n");
abort();
}
win.low = new_offset * gran;
win.high = win.low + video_mode_info.WinSize*1024;
}
static void __vbeSetPixel(int x, int y, int r, int g, int b)
{
int x_res = video_mode_info.XResolution;
int y_res = video_mode_info.YResolution;
int shift_r = video_mode_info.RedFieldPosition;
int shift_g = video_mode_info.GreenFieldPosition;
int shift_b = video_mode_info.BlueFieldPosition;
int pixel_size = (dstBpp+7)/8;
int bpl = video_mode_info.BytesPerScanLine;
int color;
unsigned offset;
if (x < 0 || x >= x_res || y < 0 || y >= y_res) return;
r >>= 8 - video_mode_info.RedMaskSize;
g >>= 8 - video_mode_info.GreenMaskSize;
b >>= 8 - video_mode_info.BlueMaskSize;
color = (r << shift_r) | (g << shift_g) | (b << shift_b);
offset = y * bpl + (x * pixel_size);
if(!VALID_WIN_FRAME(offset)) __vbeSwitchBank(offset);
memcpy(VIDEO_PTR(offset), &color, pixel_size);
}
/*
Copies part of frame to video memory. Data should be in the same format
as video memory.
*/
static void __vbeCopyBlockFast(unsigned long offset,uint8_t *image,unsigned long size)
{
memcpy(&win.ptr[offset],image,size);
}
static void __vbeCopyBlock(unsigned long offset,uint8_t *image,unsigned long size)
{
unsigned long delta,src_idx = 0;
while(size)
{
if(!VALID_WIN_FRAME(offset)) __vbeSwitchBank(offset);
delta = min(size,win.high - offset);
memcpy(VIDEO_PTR(offset),&image[src_idx],delta);
src_idx += delta;
offset += delta;
size -= delta;
}
}
/*
Copies frame to video memory. Data should be in the same format as video
memory.
*/
#define PIXEL_SIZE() ((dstBpp+7)/8)
#define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
#define IMAGE_LINE_SIZE(pixel_size) (dstW*(pixel_size))
static void __vbeCopyData(uint8_t *image)
{
unsigned long i,j,image_offset,offset;
unsigned pixel_size,image_line_size,screen_line_size,x_shift;
pixel_size = PIXEL_SIZE();
screen_line_size = SCREEN_LINE_SIZE(pixel_size);
image_line_size = IMAGE_LINE_SIZE(pixel_size);
if(dstW == video_mode_info.XResolution)
{
/* Special case for zooming */
(*cpy_blk_fnc)(y_offset*screen_line_size,image,image_line_size*dstH);
}
else
{
x_shift = x_offset*pixel_size;
for(j=0,i=y_offset;j<dstH;i++,j++)
{
offset = i*screen_line_size+x_shift;
image_offset = j*image_line_size;
(*cpy_blk_fnc)(offset,&image[image_offset],image_line_size);
}
}
}
/* is called for yuv only */
static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
uint8_t *dst[3]= {dga_buffer, NULL, NULL};
int dstStride[3];
if(verbose > 2)
printf("vo_vesa: draw_slice was called: w=%u h=%u x=%u y=%u\n",w,h,x,y);
dstStride[0]=dstride*((dstBpp+7)/8);
dstStride[1]=
dstStride[2]=dstStride[0]>>1;
if(HAS_DGA()) dst[0] += y_offset*SCREEN_LINE_SIZE(PIXEL_SIZE())+x_offset*PIXEL_SIZE();
sws_scale_ordered(sws,image,stride,y,h,dst,dstStride);
flip_trigger = 1;
return 0;
}
/* Please comment it out if you want have OSD within movie */
/*#define OSD_OUTSIDE_MOVIE 1*/
static void draw_alpha_32(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
#ifndef OSD_OUTSIDE_MOVIE
if(HAS_DGA())
{
x0 += x_offset;
y0 += y_offset;
}
#endif
vo_draw_alpha_rgb32(w,h,src,srca,stride,dga_buffer+4*(y0*dstride+x0),4*dstride);
}
static void draw_alpha_24(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
#ifndef OSD_OUTSIDE_MOVIE
if(HAS_DGA())
{
x0 += x_offset;
y0 += y_offset;
}
#endif
vo_draw_alpha_rgb24(w,h,src,srca,stride,dga_buffer+3*(y0*dstride+x0),3*dstride);
}
static void draw_alpha_16(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
#ifndef OSD_OUTSIDE_MOVIE
if(HAS_DGA())
{
x0 += x_offset;
y0 += y_offset;
}
#endif
vo_draw_alpha_rgb16(w,h,src,srca,stride,dga_buffer+2*(y0*dstride+x0),2*dstride);
}
static void draw_alpha_15(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
#ifndef OSD_OUTSIDE_MOVIE
if(HAS_DGA())
{
x0 += x_offset;
y0 += y_offset;
}
#endif
vo_draw_alpha_rgb15(w,h,src,srca,stride,dga_buffer+2*(y0*dstride+x0),2*dstride);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
UNUSED(x0);
UNUSED(y0);
UNUSED(w);
UNUSED(h);
UNUSED(src);
UNUSED(srca);
UNUSED(stride);
}
static void draw_osd(void)
{
uint32_t w,h;
if(verbose > 2)
printf("vo_vesa: draw_osd was called\n");
{
#ifdef OSD_OUTSIDE_MOVIE
w = HAS_DGA()?video_mode_info.XResolution:dstW;
h = HAS_DGA()?video_mode_info.YResolution:dstH;
#else
w = dstW;
h = dstH;
#endif
if(dga_buffer) vo_draw_text(w,h,draw_alpha_fnc);
}
}
static void flip_page(void)
{
if(verbose > 2)
printf("vo_vesa: flip_page was called\n");
if(flip_trigger)
{
if(!HAS_DGA()) __vbeCopyData(dga_buffer);
flip_trigger = 0;
}
if(vo_doublebuffering && multi_size > 1)
{
int err;
if((err=vbeSetDisplayStart(multi_buff[multi_idx],vo_vsync)) != VBE_OK)
{
vesa_term();
PRINT_VBE_ERR("vbeSetDisplayStart",err);
printf("vo_vesa: Fatal error occurred! Can't continue\n");
abort();
}
multi_idx = multi_idx ? 0 : 1;
win.ptr = dga_buffer = video_base + multi_buff[multi_idx];
}
/*
else
if(tripple_buffering)
{
vbeSetScheduledDisplayStart(multi_buff[multi_idx],vo_vsync);
multi_idx++;
if(multi_idx > 2) multi_idx = 0;
win.ptr = dga_buffer = video_base + multi_buff[multi_idx];
}
*/
}
/* is called for rgb only */
static uint32_t draw_frame(uint8_t *src[])
{
if(verbose > 2)
printf("vo_vesa: draw_frame was called\n");
if(sws)
{
unsigned int dstride=HAS_DGA()?video_mode_info.XResolution:dstW;
int srcStride[1];
uint8_t *dst[3]= {dga_buffer, NULL, NULL};
int dstStride[3];
dstStride[0]=dstride*((dstBpp+7)/8);
dstStride[1]=
dstStride[2]=dstStride[0]>>1;
if(srcFourcc == IMGFMT_RGB32 || srcFourcc == IMGFMT_BGR32)
srcStride[0] = srcW*4;
else
if(srcFourcc == IMGFMT_RGB24 || srcFourcc == IMGFMT_BGR24)
srcStride[0] = srcW*3;
else
srcStride[0] = srcW*2;
if(HAS_DGA()) dst[0] += y_offset*SCREEN_LINE_SIZE(PIXEL_SIZE())+x_offset*PIXEL_SIZE();
sws_scale_ordered(sws,src,srcStride,0,srcH,dst,dstStride);
flip_trigger=1;
}
return 0;
}
#define SUBDEV_NODGA 0x00000001UL
#define SUBDEV_FORCEDGA 0x00000002UL
static uint32_t subdev_flags = 0xFFFFFFFEUL;
static uint32_t parseSubDevice(const char *sd)
{
uint32_t flags;
flags = 0;
if(strcmp(sd,"nodga") == 0) { flags |= SUBDEV_NODGA; flags &= ~(SUBDEV_FORCEDGA); }
else
if(strcmp(sd,"dga") == 0) { flags &= ~(SUBDEV_NODGA); flags |= SUBDEV_FORCEDGA; }
else
if(strcmp(sd,"neotv_pal") == 0) { neomagic_tvout = 1; neomagic_tvnorm = NEO_PAL; }
else
if(strcmp(sd,"neotv_ntsc") == 0) { neomagic_tvout = 1; neomagic_tvnorm = NEO_NTSC; }
else
if(memcmp(sd,"lvo:",4) == 0) lvo_name = &sd[4]; /* lvo_name will be valid within init() */
#ifdef CONFIG_VIDIX
else
if(memcmp(sd,"vidix",5) == 0) vidix_name = &sd[5]; /* vidix_name will be valid within init() */
#endif
else { printf("vo_vesa: Unknown subdevice: '%s'\n", sd); return 0xFFFFFFFFUL; }
return flags;
}
static uint32_t query_format(uint32_t format)
{
if(verbose > 2)
printf("vo_vesa: query_format was called: %x (%s)\n",format,vo_format_name(format));
#ifdef CONFIG_VIDIX
if(vidix_name)return(vidix_query_fourcc(format));
#endif
return 1 | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_ACCEPT_STRIDE; /* due new SwScale code */
}
static void paintBkGnd( void )
{
int x_res = video_mode_info.XResolution;
int y_res = video_mode_info.YResolution;
int x, y;
for (y = 0; y < y_res; ++y)
{
for (x = 0; x < x_res; ++x)
{
int r, g, b;
if ((x & 16) ^ (y & 16))
{
r = x * 255 / x_res;
g = y * 255 / y_res;
b = 255 - x * 255 / x_res;
}
else
{
r = 255 - x * 255 / x_res;
g = y * 255 / y_res;
b = 255 - y * 255 / y_res;
}
__vbeSetPixel(x, y, r, g, b);
}
}
}
static void clear_screen( void )
{
int x_res = video_mode_info.XResolution;
int y_res = video_mode_info.YResolution;
int x, y;
for (y = 0; y < y_res; ++y)
for (x = 0; x < x_res; ++x)
__vbeSetPixel(x, y, 0, 0, 0);
}
static char *model2str(unsigned char type)
{
char *retval;
switch(type)
{
case memText: retval = "Text"; break;
case memCGA: retval="CGA"; break;
case memHercules: retval="Hercules"; break;
case memPL: retval="Planar"; break;
case memPK: retval="Packed pixel"; break;
case mem256: retval="256"; break;
case memRGB: retval="Direct color RGB"; break;
case memYUV: retval="Direct color YUV"; break;
default: retval="Unknown"; break;
}
return retval;
}
unsigned fillMultiBuffer( unsigned long vsize, unsigned nbuffs )
{
unsigned long screen_size, offset;
unsigned total,i;
screen_size = video_mode_info.XResolution*video_mode_info.YResolution*((dstBpp+7)/8);
if(screen_size%64) screen_size=((screen_size/64)*64)+64;
total = vsize / screen_size;
if(verbose) printf("vo_vesa: Can use up to %u video buffers\n",total);
i = 0;
offset = 0;
total = min(total,nbuffs);
while(i < total) { multi_buff[i++] = offset; offset += screen_size; }
if(!i)
printf("vo_vesa: Your have too small size of video memory for this mode:\n"
"vo_vesa: Requires: %08lX exists: %08lX\n", screen_size, vsize);
return i;
}
static int set_refresh(unsigned x, unsigned y, unsigned mode,struct VesaCRTCInfoBlock *crtc_pass)
{
unsigned pixclk;
float H_freq;
range_t *monitor_hfreq = NULL;
range_t *monitor_vfreq = NULL;
range_t *monitor_dotclock = NULL;
monitor_hfreq = str2range(monitor_hfreq_str);
monitor_vfreq = str2range(monitor_vfreq_str);
monitor_dotclock = str2range(monitor_dotclock_str);
if (!monitor_hfreq || !monitor_vfreq || !monitor_dotclock) {
printf("vo_vesa: you have to specify the capabilities of"
" the monitor. Not changing refresh rate.\n");
return 0;
}
H_freq = range_max(monitor_hfreq)/1000;
// printf("H_freq MAX %f\n",H_freq);
do
{
H_freq -= 0.01;
GTF_calcTimings(x,y,H_freq,GTF_HF,0, 0,crtc_pass);
// printf("PixelCLK %d\n",(unsigned)crtc_pass->PixelClock);
}
while ( (!in_range(monitor_vfreq,crtc_pass->RefreshRate/100)||
!in_range(monitor_hfreq,H_freq*1000))&&(H_freq>0));
pixclk = crtc_pass->PixelClock;
// printf("PIXclk before %d\n",pixclk);
vbeGetPixelClock(&mode,&pixclk);
// printf("PIXclk after %d\n",pixclk);
GTF_calcTimings(x,y,pixclk/1000000,GTF_PF,0,0,crtc_pass);
// printf("Flags: %x\n",(unsigned) crtc_pass->Flags);
/*
printf("hTotal %d\n",crtc_pass->hTotal);
printf("hSyncStart %d\n",crtc_pass->hSyncStart);
printf("hSyncEnd %d\n",crtc_pass->hSyncEnd);
printf("vTotal %d\n",crtc_pass->vTotal);
printf("vSyncStart %d\n",crtc_pass->vSyncStart);
printf("vSyncEnd %d\n",crtc_pass->vSyncEnd);
printf("RR %d\n",crtc_pass->RefreshRate);
printf("PixelCLK %d\n",(unsigned)crtc_pass->PixelClock);*/
if (!in_range(monitor_vfreq,crtc_pass->RefreshRate/100)||
!in_range(monitor_hfreq,H_freq*1000)) {
printf( "vo_vesa: Unable to fit the mode into monitor's limitation."
" Not changing refresh rate.\n");
return 0;
}
return 1;
}
/* fullscreen:
* bit 0 (0x01) means fullscreen (-fs)
* bit 1 (0x02) means mode switching (-vm)
* bit 2 (0x04) enables software scaling (-zoom)
* bit 3 (0x08) enables flipping (-flip) (NK: and for what?)
*/
static uint32_t
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
{
struct VbeInfoBlock vib;
struct VesaModeInfoBlock vmib;
struct VesaCRTCInfoBlock crtc_pass;
size_t i,num_modes;
uint32_t w,h;
unsigned short *mode_ptr,win_seg;
unsigned bpp,best_x = UINT_MAX,best_y=UINT_MAX,best_mode_idx = UINT_MAX;
int err,fs_mode,use_scaler=0;
srcW = dstW = width;
srcH = dstH = height;
fs_mode = 0;
if(subdev_flags == 0xFFFFFFFEUL)
{
printf("vo_vesa: detected internal fatal error: init is called before preinit\n");
return -1;
}
if(subdev_flags == 0xFFFFFFFFUL) return -1;
if(flags & 0x8)
{
printf("vo_vesa: switch -flip is not supported\n");
}
if(flags & 0x04) use_scaler = 1;
if(flags & 0x01)
{
if(use_scaler) use_scaler = 2;
else fs_mode = 1;
}
if((err=vbeInit()) != VBE_OK) { PRINT_VBE_ERR("vbeInit",err); return -1; }
memcpy(vib.VESASignature,"VBE2",4);
if((err=vbeGetControllerInfo(&vib)) != VBE_OK)
{
PRINT_VBE_ERR("vbeGetControllerInfo",err);
printf("vo_vesa: possible reason: No VBE2 BIOS found\n");
return -1;
}
/* Print general info here */
printf("vo_vesa: Found VESA VBE BIOS Version %x.%x Revision: %x\n",
(int)(vib.VESAVersion >> 8) & 0xff,
(int)(vib.VESAVersion & 0xff),
(int)(vib.OemSoftwareRev & 0xffff));
printf("vo_vesa: Video memory: %u Kb\n",vib.TotalMemory*64);
printf("vo_vesa: VESA Capabilities: %s %s %s %s %s\n"
,vib.Capabilities & VBE_DAC_8BIT ? "8-bit DAC," : "6-bit DAC,"
,vib.Capabilities & VBE_NONVGA_CRTC ? "non-VGA CRTC,":"VGA CRTC,"
,vib.Capabilities & VBE_SNOWED_RAMDAC ? "snowed RAMDAC,":"normal RAMDAC,"
,vib.Capabilities & VBE_STEREOSCOPIC ? "stereoscopic,":"no stereoscopic,"
,vib.Capabilities & VBE_STEREO_EVC ? "Stereo EVC":"no stereo");
printf("vo_vesa: !!! Below will be printed OEM info. !!!\n");
printf("vo_vesa: You should watch 5 OEM related lines below else you've broken vm86\n");
printf("vo_vesa: OEM info: %s\n",vib.OemStringPtr);
printf("vo_vesa: OEM Revision: %x\n",vib.OemSoftwareRev);
printf("vo_vesa: OEM vendor: %s\n",vib.OemVendorNamePtr);
printf("vo_vesa: OEM Product Name: %s\n",vib.OemProductNamePtr);
printf("vo_vesa: OEM Product Rev: %s\n",vib.OemProductRevPtr);
printf("vo_vesa: Hint: To get workable TV-Out you should have plugged tv-connector in\n"
"vo_vesa: before booting PC since VESA BIOS initializes itself only during POST\n");
/* Find best mode here */
num_modes = 0;
mode_ptr = vib.VideoModePtr;
while(*mode_ptr++ != 0xffff) num_modes++;
switch(format)
{
case IMGFMT_BGR8:
case IMGFMT_RGB8: bpp = 8; break;
case IMGFMT_BGR15:
case IMGFMT_RGB15: bpp = 15; break;
case IMGFMT_BGR16:
case IMGFMT_RGB16: bpp = 16; break;
case IMGFMT_BGR24:
case IMGFMT_RGB24: bpp = 24; break;
case IMGFMT_BGR32:
case IMGFMT_RGB32: bpp = 32; break;
default: bpp = 16; break;
}
srcBpp = bpp;
srcFourcc = format;
if(vo_dbpp) bpp = vo_dbpp;
switch(bpp)
{
case 15: draw_alpha_fnc = draw_alpha_15;
dstFourcc = IMGFMT_BGR15;
break;
case 16: draw_alpha_fnc = draw_alpha_16;
dstFourcc = IMGFMT_BGR16;
break;
case 24: draw_alpha_fnc = draw_alpha_24;
dstFourcc = IMGFMT_BGR24;
break;
case 32: draw_alpha_fnc = draw_alpha_32;
dstFourcc = IMGFMT_BGR32;
break;
default: draw_alpha_fnc = draw_alpha_null;
dstFourcc = IMGFMT_BGR16;
break;
}
if(verbose)
{
printf("vo_vesa: Requested mode: %ux%u@%u (%s)\n",width,height,bpp,vo_format_name(format));
printf("vo_vesa: Total modes found: %u\n",num_modes);
mode_ptr = vib.VideoModePtr;
printf("vo_vesa: Mode list:");
for(i = 0;i < num_modes;i++)
{
printf(" %04X",mode_ptr[i]);
}
printf("\nvo_vesa: Modes in detail:\n");
}
mode_ptr = vib.VideoModePtr;
if(use_scaler)
{
dstW = d_width;
dstH = d_height;
}
if(vo_screenwidth) w = vo_screenwidth;
else w = max(dstW,width);
if(vo_screenheight) h = vo_screenheight;
else h = max(dstH,height);
for(i=0;i < num_modes;i++)
{
if((err=vbeGetModeInfo(mode_ptr[i],&vmib)) != VBE_OK)
{
PRINT_VBE_ERR("vbeGetModeInfo",err);
continue;
}
if(vmib.XResolution >= w &&
vmib.YResolution >= h &&
(vmib.ModeAttributes & MOVIE_MODE) == MOVIE_MODE &&
vmib.BitsPerPixel == bpp &&
vmib.MemoryModel == memRGB)
{
if(vmib.XResolution <= best_x &&
vmib.YResolution <= best_y)
{
best_x = vmib.XResolution;
best_y = vmib.YResolution;
best_mode_idx = i;
}
}
if(verbose)
{
printf("vo_vesa: Mode (%03u): mode=%04X %ux%u@%u attr=%04X\n"
"vo_vesa: #planes=%u model=%u(%s) #pages=%u\n"
"vo_vesa: winA=%X(attr=%u) winB=%X(attr=%u) winSize=%u winGran=%u\n"
"vo_vesa: direct_color=%u DGA_phys_addr=%08lX\n"
,i,mode_ptr[i],vmib.XResolution,vmib.YResolution,vmib.BitsPerPixel,vmib.ModeAttributes
,vmib.NumberOfPlanes,vmib.MemoryModel,model2str(vmib.MemoryModel),vmib.NumberOfImagePages
,vmib.WinASegment,vmib.WinAAttributes,vmib.WinBSegment,vmib.WinBAttributes,vmib.WinSize,vmib.WinGranularity
,vmib.DirectColorModeInfo,vmib.PhysBasePtr);
if(vmib.MemoryModel == 6 || vmib.MemoryModel == 7)
printf("vo_vesa: direct_color_info = %u:%u:%u:%u\n"
,vmib.RedMaskSize,vmib.GreenMaskSize,vmib.BlueMaskSize,vmib.RsvdMaskSize);
fflush(stdout);
}
}
if(best_mode_idx != UINT_MAX)
{
video_mode = vib.VideoModePtr[best_mode_idx];
fflush(stdout);
if((err=vbeGetMode(&init_mode)) != VBE_OK)
{
PRINT_VBE_ERR("vbeGetMode",err);
return -1;
}
if(verbose) printf("vo_vesa: Initial video mode: %x\n",init_mode);
if((err=vbeGetModeInfo(video_mode,&video_mode_info)) != VBE_OK)
{
PRINT_VBE_ERR("vbeGetModeInfo",err);
return -1;
}
dstBpp = video_mode_info.BitsPerPixel;
printf("vo_vesa: Using VESA mode (%u) = %x [%ux%u@%u]\n"
,best_mode_idx,video_mode,video_mode_info.XResolution
,video_mode_info.YResolution,dstBpp);
if(subdev_flags & SUBDEV_NODGA) video_mode_info.PhysBasePtr = 0;
if(use_scaler || fs_mode)
{
/* software scale */
if(use_scaler > 1
#ifdef CONFIG_VIDIX
|| vidix_name
#endif
)
{
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
aspect_save_screenres(video_mode_info.XResolution,video_mode_info.YResolution);
aspect(&dstW,&dstH,A_ZOOM);
}
else
if(fs_mode)
{
dstW = video_mode_info.XResolution;
dstH = video_mode_info.YResolution;
}
use_scaler = 1;
}
if(!lvo_name
#ifdef CONFIG_VIDIX
&& !vidix_name
#endif
)
{
sws = sws_getContextFromCmdLine(srcW,srcH,srcFourcc,dstW,dstH,dstFourcc);
if(!sws)
{
printf("vo_vesa: Can't initialize SwScaler\n");
return -1;
}
else if(verbose) printf("vo_vesa: Using SW BES emulator\n");
}
if((video_mode_info.WinAAttributes & FRAME_MODE) == FRAME_MODE)
win.idx = 0; /* frame A */
else
if((video_mode_info.WinBAttributes & FRAME_MODE) == FRAME_MODE)
win.idx = 1; /* frame B */
else win.idx = -2;
/* Try use DGA instead */
if(video_mode_info.PhysBasePtr && vib.TotalMemory && (video_mode_info.ModeAttributes & MODE_ATTR_LINEAR))
{
void *lfb;
unsigned long vsize;
vsize = vib.TotalMemory*64*1024;
lfb = vbeMapVideoBuffer(video_mode_info.PhysBasePtr,vsize);
if(lfb == NULL)
printf("vo_vesa: Can't use DGA. Force bank switching mode. :(\n");
else
{
video_base = win.ptr = lfb;
win.low = 0UL;
win.high = vsize;
win.idx = -1; /* HAS_DGA() is on */
video_mode |= VESA_MODE_USE_LINEAR;
printf("vo_vesa: Using DGA (physical resources: %08lXh, %08lXh)"
,video_mode_info.PhysBasePtr
,vsize);
if(verbose) printf(" at %08lXh",(unsigned long)lfb);
printf("\n");
if(!(multi_size = fillMultiBuffer(vsize,2))) return -1;
if(vo_doublebuffering && multi_size < 2)
printf("vo_vesa: Can't use double buffering: not enough video memory\n");
}
}
if(win.idx == -2)
{
printf("vo_vesa: Can't find neither DGA nor relocatable window's frame.\n");
return -1;
}
if(!HAS_DGA())
{
if(subdev_flags & SUBDEV_FORCEDGA)
{
printf("vo_vesa: you've forced DGA. Exiting\n");
return -1;
}
if(!(win_seg = win.idx == 0 ? video_mode_info.WinASegment:video_mode_info.WinBSegment))
{
printf("vo_vesa: Can't find valid window address\n");
return -1;
}
win.ptr = PhysToVirtSO(win_seg,0);
win.low = 0L;
win.high= video_mode_info.WinSize*1024;
printf("vo_vesa: Using bank switching mode (physical resources: %08lXh, %08lXh)\n"
,(unsigned long)win.ptr,(unsigned long)win.high);
}
if(video_mode_info.XResolution > dstW)
x_offset = (video_mode_info.XResolution - dstW) / 2;
else x_offset = 0;
if(video_mode_info.YResolution > dstH)
y_offset = (video_mode_info.YResolution - dstH) / 2;
else y_offset = 0;
if(verbose)
printf("vo_vesa: image: %ux%u screen = %ux%u x_offset = %u y_offset = %u\n"
,dstW,dstH
,video_mode_info.XResolution,video_mode_info.YResolution
,x_offset,y_offset);
if(HAS_DGA())
{
dga_buffer = win.ptr; /* Trickly ;) */
cpy_blk_fnc = __vbeCopyBlockFast;
}
else
{
cpy_blk_fnc = __vbeCopyBlock;
if(!lvo_name
#ifdef CONFIG_VIDIX
&& !vidix_name
#endif
)
{
if(!(dga_buffer = memalign(64,video_mode_info.XResolution*video_mode_info.YResolution*dstBpp)))
{
printf("vo_vesa: Can't allocate temporary buffer\n");
return -1;
}
if(verbose) printf("vo_vesa: dga emulator was allocated = %p\n",dga_buffer);
}
}
if((err=vbeSaveState(&init_state)) != VBE_OK)
{
PRINT_VBE_ERR("vbeSaveState",err);
return -1;
}
/* TODO:
user might pass refresh value,
GTF constants might be read from monitor
for best results, I don't have a spec (RM)
*/
if (((int)(vib.VESAVersion >> 8) & 0xff) > 2) {
if (set_refresh(video_mode_info.XResolution,video_mode_info.YResolution,video_mode,&crtc_pass))
video_mode = video_mode | 0x800;
}
;
if ((err=vbeSetMode(video_mode,&crtc_pass)) != VBE_OK)
{
PRINT_VBE_ERR("vbeSetMode",err);
return -1;
}
if (neomagic_tvout) {
err = vbeSetTV(video_mode,neomagic_tvnorm);
if (err!=0x4f) {
printf("vo_vesa: Sorry unsupported mode, try -x 640 -zoom\n");
}
else {
printf("vo_vesa: Oh you really have picture on TV!\n");
}
}
/* Now we are in video mode!!!*/
/* Below 'return -1' is impossible */
if(verbose)
{
printf("vo_vesa: Graphics mode was activated\n");
fflush(stdout);
}
if(lvo_name)
{
if(vlvo_init(width,height,x_offset,y_offset,dstW,dstH,format,dstBpp) != 0)
{
printf("vo_vesa: Can't initialize Linux Video Overlay\n");
vesa_term();
return -1;
}
else printf("vo_vesa: Using video overlay: %s\n",lvo_name);
lvo_opened = 1;
}
#ifdef CONFIG_VIDIX
else
if(vidix_name)
{
if(vidix_init(width,height,x_offset,y_offset,dstW,
dstH,format,dstBpp,
video_mode_info.XResolution,video_mode_info.YResolution) != 0)
{
printf("vo_vesa: Can't initialize VIDIX driver\n");
vesa_term();
return -1;
}
else printf("vo_vesa: Using VIDIX\n");
vidix_start();
/* set colorkey */
if (vidix_grkey_support())
{
vidix_grkey_get(&gr_key);
gr_key.key_op = KEYS_PUT;
#if 0
if (!(vo_colorkey & 0xFF000000))
{
gr_key.ckey.op = CKEY_TRUE;
gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
gr_key.ckey.green = (vo_colorkey & 0x0000FF00) >> 8;
gr_key.ckey.blue = vo_colorkey & 0x000000FF;
} else
#endif
gr_key.ckey.op = CKEY_FALSE;
vidix_grkey_set(&gr_key);
}
vidix_opened = 1;
}
#endif
}
else
{
printf("vo_vesa: Can't find mode for: %ux%u@%u\n",width,height,bpp);
return -1;
}
if(verbose)
{
printf("vo_vesa: VESA initialization complete\n");
fflush(stdout);
}
if(HAS_DGA() && vo_doublebuffering)
{
for(i=0;i<MAX_BUFFERS;i++)
{
win.ptr = dga_buffer = video_base + multi_buff[i];
clear_screen(); /* Clear screen for stupid BIOSes */
if(verbose>1) paintBkGnd();
}
}
else
{
clear_screen(); /* Clear screen for stupid BIOSes */
if(verbose>1)
{
int x;
x = (video_mode_info.XResolution/video_mode_info.XCharSize)/2-strlen(title)/2;
if(x < 0) x = 0;
paintBkGnd();
vbeWriteString(x,0,7,title);
}
}
return 0;
}
static void
uninit(void)
{
// not inited
vesa_term();
if(verbose > 2)
printf("vo_vesa: uninit was called\n");
}
static void check_events(void)
{
if(verbose > 2)
printf("vo_vesa: check_events was called\n");
/* Nothing to do */
}
static uint32_t preinit(const char *arg)
{
int pre_init_err = 0;
int fd;
if(verbose>1) printf("vo_vesa: preinit(%s) was called\n",arg);
if(verbose > 2)
printf("vo_vesa: subdevice %s is being initialized\n",arg);
subdev_flags = 0;
lvo_name = NULL;
#ifdef CONFIG_VIDIX
vidix_name = NULL;
#endif
if(arg) subdev_flags = parseSubDevice(arg);
if(lvo_name) pre_init_err = vlvo_preinit(lvo_name);
#ifdef CONFIG_VIDIX
else if(vidix_name) pre_init_err = vidix_preinit(vidix_name,&video_out_vesa);
#endif
// check if we can open /dev/mem (it will be opened later in config(), but if we
// detect now that we can't we can exit cleanly)
fd = open("/dev/mem", O_RDWR);
if (fd < 0)
return -1;
else
close(fd);
if(verbose > 2)
printf("vo_subdevice: initialization returns: %i\n",pre_init_err);
return pre_init_err;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
#ifdef CONFIG_VIDIX
if (vidix_name) {
switch (request) {
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
int value;
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
return vidix_control(request, data, (int *)value);
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int *value;
va_start(ap, data);
value = va_arg(ap, int*);
va_end(ap);
return vidix_control(request, data, value);
}
}
return vidix_control(request, data);
}
#endif
return VO_NOTIMPL;
}