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.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 #define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
  48
  49 static uint8_t *frames[NUM_FRAMES];
  50
  51 static int lvo_handler = -1;
  52 static uint8_t *lvo_mem = NULL;
  53 static uint8_t next_frame;
  54 static mga_vid_config_t mga_vid_config;
  55 static unsigned image_bpp,image_height,image_width,src_format;
  56 int vlvo_control(uint32_t request, void *data);
  57
  58 #define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
  59 #define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
  60 #define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))
  61
  62 extern struct vo_old_functions video_out_vesa;
  63
  64 int vlvo_preinit(const char *drvname)
  65 {
  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_preinit(%s) was called\n",drvname);}
  70         lvo_handler = open(drvname,O_RDWR);
  71         if(lvo_handler == -1)
  72         {
  73                 mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] Couldn't open: '%s'\n",drvname);
  74                 return -1;
  75         }
  76         /* we are able to tune up this stuff depend on fourcc format */
  77         video_out_vesa.draw_slice=vlvo_draw_slice;
  78         video_out_vesa.draw_frame=vlvo_draw_frame;
  79         video_out_vesa.flip_page=vlvo_flip_page;
  80         video_out_vesa.draw_osd=vlvo_draw_osd;
  81   video_out_vesa.control=vlvo_control;
  82         return 0;
  83 }
  84
  85 int      vlvo_init(unsigned src_width,unsigned src_height,
  86                    unsigned x_org,unsigned y_org,unsigned dst_width,
  87                    unsigned dst_height,unsigned format,unsigned dest_bpp)
  88 {
  89   size_t i,awidth;
  90   mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] This branch is no longer supported.\n[VESA_LVO] Please use -vo vesa:vidix instead.\n");
  91   return -1;
  92   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
  93     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_init() was called\n");}
  94         image_width = src_width;
  95         image_height = src_height;
  96         mga_vid_config.version=MGA_VID_VERSION;
  97         src_format = mga_vid_config.format=format;
  98         awidth = (src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
  99         switch(format){
 100         case IMGFMT_YV12:
 101         case IMGFMT_I420:
 102         case IMGFMT_IYUV:
 103             image_bpp=16;
 104             mga_vid_config.frame_size = awidth*src_height+(awidth*src_height)/2;
 105             break;
 106         case IMGFMT_YUY2:
 107         case IMGFMT_UYVY:
 108             image_bpp=16;
 109             mga_vid_config.frame_size = awidth*src_height*2;
 110             break;
 111         case IMGFMT_RGB15:
 112         case IMGFMT_BGR15:
 113         case IMGFMT_RGB16:
 114         case IMGFMT_BGR16:
 115             image_bpp=16;
 116             mga_vid_config.frame_size = awidth*src_height*2;
 117             break;
 118         case IMGFMT_RGB24:
 119         case IMGFMT_BGR24:
 120             image_bpp=24;
 121             mga_vid_config.frame_size = awidth*src_height*3;
 122             break;
 123         case IMGFMT_RGB32:
 124         case IMGFMT_BGR32:
 125             image_bpp=32;
 126             mga_vid_config.frame_size = awidth*src_height*4;
 127             break;
 128         default:
 129             mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVI] Invalid output format: %s(%0X)\n",vo_format_name(format),format);
 130             return -1;
 131         }
 132         mga_vid_config.colkey_on=0;
 133         mga_vid_config.src_width = src_width;
 134         mga_vid_config.src_height= src_height;
 135         mga_vid_config.dest_width = dst_width;
 136         mga_vid_config.dest_height= dst_height;
 137         mga_vid_config.x_org=x_org;
 138         mga_vid_config.y_org=y_org;
 139         mga_vid_config.num_frames=NUM_FRAMES;
 140         if (ioctl(lvo_handler,MGA_VID_CONFIG,&mga_vid_config))
 141         {
 142                 perror("vesa_lvo: Error in mga_vid_config ioctl()");
 143                 mp_tmsg(MSGT_VO,MSGL_WARN, "[VESA_LVO] Your fb_vid driver version is incompatible with this MPlayer version!\n");
 144                 return -1;
 145         }
 146         ioctl(lvo_handler,MGA_VID_ON,0);
 147
 148         frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,lvo_handler,0);
 149         for(i=1;i<NUM_FRAMES;i++)
 150                 frames[i] = frames[i-1] + mga_vid_config.frame_size;
 151         next_frame = 0;
 152         lvo_mem = frames[next_frame];
 153
 154         /*clear the buffer*/
 155         memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
 156         return 0;
 157 }
 158
 159 void vlvo_term( void )
 160 {
 161   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 162     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_term() was called\n");}
 163         ioctl( lvo_handler,MGA_VID_OFF,0 );
 164         munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
 165         if(lvo_handler != -1) close(lvo_handler);
 166 }
 167
 168 int vlvo_draw_slice_420(uint8_t *image[], int stride[], int w,int h,int x,int y)
 169 {
 170     uint8_t *src;
 171     uint8_t *dest;
 172     uint32_t bespitch,bespitch2;
 173     int i;
 174
 175     bespitch = (mga_vid_config.src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
 176     bespitch2 = bespitch/2;
 177
 178     dest = lvo_mem + bespitch * y + x;
 179     src = image[0];
 180     for(i=0;i<h;i++){
 181         fast_memcpy(dest,src,w);
 182         src+=stride[0];
 183         dest += bespitch;
 184     }
 185
 186     w/=2;h/=2;x/=2;y/=2;
 187
 188     dest = lvo_mem + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
 189     src = image[1];
 190     for(i=0;i<h;i++){
 191         fast_memcpy(dest,src,w);
 192         src+=stride[1];
 193         dest += bespitch2;
 194     }
 195
 196     dest = lvo_mem + bespitch*mga_vid_config.src_height
 197                    + bespitch*mga_vid_config.src_height / 4
 198                    + bespitch2 * y + x;
 199     src = image[2];
 200     for(i=0;i<h;i++){
 201         fast_memcpy(dest,src,w);
 202         src+=stride[2];
 203         dest += bespitch2;
 204     }
 205     return 0;
 206 }
 207
 208 int vlvo_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
 209 {
 210  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 211    mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_slice() was called\n");}
 212     if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
 213         vlvo_draw_slice_420(image,stride,w,h,x,y);
 214     else
 215     {
 216         uint8_t *dst;
 217         uint8_t bytpp;
 218         bytpp = (image_bpp+7)/8;
 219         dst = lvo_mem + (image_width * y + x)*bytpp;
 220         /* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
 221         fast_memcpy(dst,image[0],mga_vid_config.frame_size);
 222     }
 223  return 0;
 224 }
 225
 226 int vlvo_draw_frame(uint8_t *image[])
 227 {
 228 /* Note it's very strange but sometime for YUY2 draw_frame is called */
 229   fast_memcpy(lvo_mem,image[0],mga_vid_config.frame_size);
 230   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 231     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_flip_page() was called\n");}
 232   return 0;
 233 }
 234
 235 void     vlvo_flip_page(void)
 236 {
 237   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 238     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_osd() was called\n");}
 239   if(vo_doublebuffering)
 240   {
 241         ioctl(lvo_handler,MGA_VID_FSEL,&next_frame);
 242         next_frame=(next_frame+1)%mga_vid_config.num_frames;
 243         lvo_mem=frames[next_frame];
 244   }
 245 }
 246
 247 #if 0
 248 static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 249 {
 250   UNUSED(x0);
 251   UNUSED(y0);
 252   UNUSED(w);
 253   UNUSED(h);
 254   UNUSED(src);
 255   UNUSED(srca);
 256   UNUSED(stride);
 257 }
 258
 259 static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 260 {
 261     uint32_t bespitch = /*(*/mga_vid_config.src_width;// + 15) & ~15;
 262     switch(mga_vid_config.format){
 263     case IMGFMT_BGR15:
 264     case IMGFMT_RGB15:
 265         vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 266         break;
 267     case IMGFMT_BGR16:
 268     case IMGFMT_RGB16:
 269         vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 270         break;
 271     case IMGFMT_BGR24:
 272     case IMGFMT_RGB24:
 273         vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+3*(y0*bespitch+x0),3*bespitch);
 274         break;
 275     case IMGFMT_BGR32:
 276     case IMGFMT_RGB32:
 277         vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+4*(y0*bespitch+x0),4*bespitch);
 278         break;
 279     case IMGFMT_YV12:
 280     case IMGFMT_IYUV:
 281     case IMGFMT_I420:
 282         vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
 283         break;
 284     case IMGFMT_YUY2:
 285         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0),bespitch);
 286         break;
 287     case IMGFMT_UYVY:
 288         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0)+1,bespitch);
 289         break;
 290     default:
 291         draw_alpha_null(x0,y0,w,h,src,srca,stride);
 292     }
 293 }
 294 #endif
 295
 296 void     vlvo_draw_osd(void)
 297 {
 298   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 299     mp_msg(MSGT_VO,MSGL_DBG2,"vesa_lvo: vlvo_draw_osd() was called\n"); }
 300   /* TODO: hw support */
 301 #if 0
 302 /* disable this stuff until new fbvid.h interface will be implemented
 303   because in different fourcc radeon_vid and rage128_vid have different
 304   width alignment */
 305   vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
 306 #endif
 307 }
 308
 309 uint32_t vlvo_query_info(uint32_t format)
 310 {
 311   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 312     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: query_format was called: %x (%s)\n",format,vo_format_name(format)); }
 313   return VFCAP_CSP_SUPPORTED;
 314 }
 315
 316 int vlvo_control(uint32_t request, void *data)
 317 {
 318   switch (request) {
 319   case VOCTRL_QUERY_FORMAT:
 320     return vlvo_query_info(*((uint32_t*)data));
 321   }
 322   return VO_NOTIMPL;
 323 }