libvo/vesa_lvo.c

   1 /*
   2  * vo_vesa interface to Linux Video Overlay
   3  * (partly based on vo_mga.c)
   4  *
   5  * copyright (C) 2001 Nick Kurshev <nickols_k@mail.ru>
   6  *
   7  * This file is part of MPlayer.
   8  *
   9  * MPlayer is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * MPlayer is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include <inttypes.h>
  25 #include <sys/ioctl.h>
  26 #include <unistd.h>
  27 #include <fcntl.h>
  28 #include <sys/mman.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "config.h"
  34 #include "mp_msg.h"
  35
  36 #include "vesa_lvo.h"
  37 #include "libmpcodecs/img_format.h"
  38 #include "drivers/mga_vid.h" /* <- should be changed to "linux/'something'.h" */
  39 #include "fastmemcpy.h"
  40 #include "osd.h"
  41 #include "video_out.h"
  42 #include "sub/sub.h"
  43 #include "libmpcodecs/vfcap.h"
  44
  45 #define WIDTH_ALIGN 32 /* should be 16 for rage:422 and 32 for rage:420 */
  46 #define NUM_FRAMES 10
  47
  48 static uint8_t *frames[NUM_FRAMES];
  49
  50 static int lvo_handler = -1;
  51 static uint8_t *lvo_mem = NULL;
  52 static uint8_t next_frame;
  53 static mga_vid_config_t mga_vid_config;
  54 static unsigned image_bpp,image_height,image_width,src_format;
  55 int vlvo_control(uint32_t request, void *data);
  56
  57 #define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
  58 #define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
  59 #define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))
  60
  61 int      vlvo_init(unsigned src_width,unsigned src_height,
  62                    unsigned x_org,unsigned y_org,unsigned dst_width,
  63                    unsigned dst_height,unsigned format,unsigned dest_bpp)
  64 {
  65   size_t i,awidth;
  66   mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] This branch is no longer supported.\n[VESA_LVO] Please use -vo vesa:vidix instead.\n");
  67   return -1;
  68   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
  69     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_init() was called\n");}
  70         image_width = src_width;
  71         image_height = src_height;
  72         mga_vid_config.version=MGA_VID_VERSION;
  73         src_format = mga_vid_config.format=format;
  74         awidth = (src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
  75         switch(format){
  76         case IMGFMT_YV12:
  77         case IMGFMT_I420:
  78         case IMGFMT_IYUV:
  79             image_bpp=16;
  80             mga_vid_config.frame_size = awidth*src_height+(awidth*src_height)/2;
  81             break;
  82         case IMGFMT_YUY2:
  83         case IMGFMT_UYVY:
  84             image_bpp=16;
  85             mga_vid_config.frame_size = awidth*src_height*2;
  86             break;
  87         case IMGFMT_RGB15:
  88         case IMGFMT_BGR15:
  89         case IMGFMT_RGB16:
  90         case IMGFMT_BGR16:
  91             image_bpp=16;
  92             mga_vid_config.frame_size = awidth*src_height*2;
  93             break;
  94         case IMGFMT_RGB24:
  95         case IMGFMT_BGR24:
  96             image_bpp=24;
  97             mga_vid_config.frame_size = awidth*src_height*3;
  98             break;
  99         case IMGFMT_RGB32:
 100         case IMGFMT_BGR32:
 101             image_bpp=32;
 102             mga_vid_config.frame_size = awidth*src_height*4;
 103             break;
 104         default:
 105             mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVI] Invalid output format: %s(%0X)\n",vo_format_name(format),format);
 106             return -1;
 107         }
 108         mga_vid_config.colkey_on=0;
 109         mga_vid_config.src_width = src_width;
 110         mga_vid_config.src_height= src_height;
 111         mga_vid_config.dest_width = dst_width;
 112         mga_vid_config.dest_height= dst_height;
 113         mga_vid_config.x_org=x_org;
 114         mga_vid_config.y_org=y_org;
 115         mga_vid_config.num_frames=NUM_FRAMES;
 116         if (ioctl(lvo_handler,MGA_VID_CONFIG,&mga_vid_config))
 117         {
 118                 perror("vesa_lvo: Error in mga_vid_config ioctl()");
 119                 mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] Your fb_vid driver version is incompatible with this MPlayer version!\n");
 120                 return -1;
 121         }
 122         ioctl(lvo_handler,MGA_VID_ON,0);
 123
 124         frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,lvo_handler,0);
 125         for(i=1;i<NUM_FRAMES;i++)
 126                 frames[i] = frames[i-1] + mga_vid_config.frame_size;
 127         next_frame = 0;
 128         lvo_mem = frames[next_frame];
 129
 130         /*clear the buffer*/
 131         memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
 132         return 0;
 133 }
 134
 135 void vlvo_term( void )
 136 {
 137   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 138     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_term() was called\n");}
 139         ioctl( lvo_handler,MGA_VID_OFF,0 );
 140         munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
 141         if(lvo_handler != -1) close(lvo_handler);
 142 }
 143
 144 static int vlvo_draw_slice_420(uint8_t *image[], int stride[],
 145                                     int w, int h, int x, int y)
 146 {
 147     uint8_t *src;
 148     uint8_t *dest;
 149     uint32_t bespitch,bespitch2;
 150     int i;
 151
 152     bespitch = (mga_vid_config.src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
 153     bespitch2 = bespitch/2;
 154
 155     dest = lvo_mem + bespitch * y + x;
 156     src = image[0];
 157     for(i=0;i<h;i++){
 158         fast_memcpy(dest,src,w);
 159         src+=stride[0];
 160         dest += bespitch;
 161     }
 162
 163     w/=2;h/=2;x/=2;y/=2;
 164
 165     dest = lvo_mem + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
 166     src = image[1];
 167     for(i=0;i<h;i++){
 168         fast_memcpy(dest,src,w);
 169         src+=stride[1];
 170         dest += bespitch2;
 171     }
 172
 173     dest = lvo_mem + bespitch*mga_vid_config.src_height
 174                    + bespitch*mga_vid_config.src_height / 4
 175                    + bespitch2 * y + x;
 176     src = image[2];
 177     for(i=0;i<h;i++){
 178         fast_memcpy(dest,src,w);
 179         src+=stride[2];
 180         dest += bespitch2;
 181     }
 182     return 0;
 183 }
 184
 185 static int vlvo_draw_slice(uint8_t *image[], int stride[],
 186                            int w,int h,int x,int y)
 187 {
 188  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 189    mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_slice() was called\n");}
 190     if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
 191         vlvo_draw_slice_420(image,stride,w,h,x,y);
 192     else
 193     {
 194         uint8_t *dst;
 195         uint8_t bytpp;
 196         bytpp = (image_bpp+7)/8;
 197         dst = lvo_mem + (image_width * y + x)*bytpp;
 198         /* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
 199         fast_memcpy(dst,image[0],mga_vid_config.frame_size);
 200     }
 201  return 0;
 202 }
 203
 204 static int vlvo_draw_frame(uint8_t *image[])
 205 {
 206 /* Note it's very strange but sometime for YUY2 draw_frame is called */
 207   fast_memcpy(lvo_mem,image[0],mga_vid_config.frame_size);
 208   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 209     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_flip_page() was called\n");}
 210   return 0;
 211 }
 212
 213 static void vlvo_flip_page(void)
 214 {
 215   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 216     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_osd() was called\n");}
 217   if(vo_doublebuffering)
 218   {
 219         ioctl(lvo_handler,MGA_VID_FSEL,&next_frame);
 220         next_frame=(next_frame+1)%mga_vid_config.num_frames;
 221         lvo_mem=frames[next_frame];
 222   }
 223 }
 224
 225 #if 0
 226 static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 227 {
 228 }
 229
 230 static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 231 {
 232     uint32_t bespitch = /*(*/mga_vid_config.src_width;// + 15) & ~15;
 233     switch(mga_vid_config.format){
 234     case IMGFMT_BGR15:
 235     case IMGFMT_RGB15:
 236         vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 237         break;
 238     case IMGFMT_BGR16:
 239     case IMGFMT_RGB16:
 240         vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 241         break;
 242     case IMGFMT_BGR24:
 243     case IMGFMT_RGB24:
 244         vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+3*(y0*bespitch+x0),3*bespitch);
 245         break;
 246     case IMGFMT_BGR32:
 247     case IMGFMT_RGB32:
 248         vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+4*(y0*bespitch+x0),4*bespitch);
 249         break;
 250     case IMGFMT_YV12:
 251     case IMGFMT_IYUV:
 252     case IMGFMT_I420:
 253         vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
 254         break;
 255     case IMGFMT_YUY2:
 256         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0),bespitch);
 257         break;
 258     case IMGFMT_UYVY:
 259         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0)+1,bespitch);
 260         break;
 261     default:
 262         draw_alpha_null(x0,y0,w,h,src,srca,stride);
 263     }
 264 }
 265 #endif
 266
 267 static void vlvo_draw_osd(void)
 268 {
 269   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 270     mp_msg(MSGT_VO,MSGL_DBG2,"vesa_lvo: vlvo_draw_osd() was called\n"); }
 271   /* TODO: hw support */
 272 #if 0
 273 /* disable this stuff until new fbvid.h interface will be implemented
 274   because in different fourcc radeon_vid and rage128_vid have different
 275   width alignment */
 276   vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
 277 #endif
 278 }
 279
 280 extern struct vo_old_functions video_out_vesa;
 281
 282 int vlvo_preinit(const char *drvname)
 283 {
 284   mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] This branch is no longer supported.\n[VESA_LVO] Please use -vo vesa:vidix instead.\n");
 285   return -1;
 286   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 287     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_preinit(%s) was called\n",drvname);}
 288         lvo_handler = open(drvname,O_RDWR);
 289         if(lvo_handler == -1)
 290         {
 291                 mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] Couldn't open: '%s'\n",drvname);
 292                 return -1;
 293         }
 294         /* we are able to tune up this stuff depend on fourcc format */
 295         video_out_vesa.draw_slice=vlvo_draw_slice;
 296         video_out_vesa.draw_frame=vlvo_draw_frame;
 297         video_out_vesa.flip_page=vlvo_flip_page;
 298         video_out_vesa.draw_osd=vlvo_draw_osd;
 299   video_out_vesa.control=vlvo_control;
 300         return 0;
 301 }
 302
 303 static uint32_t vlvo_query_info(uint32_t format)
 304 {
 305   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 306     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: query_format was called: %x (%s)\n",format,vo_format_name(format)); }
 307   return VFCAP_CSP_SUPPORTED;
 308 }
 309
 310 int vlvo_control(uint32_t request, void *data)
 311 {
 312   switch (request) {
 313   case VOCTRL_QUERY_FORMAT:
 314     return vlvo_query_info(*((uint32_t*)data));
 315   }
 316   return VO_NOTIMPL;
 317 }