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 #include "help_mp.h"
  36
  37 #include "vesa_lvo.h"
  38 #include "libmpcodecs/img_format.h"
  39 #include "drivers/mga_vid.h" /* <- should be changed to "linux/'something'.h" */
  40 #include "fastmemcpy.h"
  41 #include "osd.h"
  42 #include "video_out.h"
  43 #include "sub.h"
  44 #include "libmpcodecs/vfcap.h"
  45
  46 #define WIDTH_ALIGN 32 /* should be 16 for rage:422 and 32 for rage:420 */
  47 #define NUM_FRAMES 10
  48 #define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
  49
  50 static uint8_t *frames[NUM_FRAMES];
  51
  52 static int lvo_handler = -1;
  53 static uint8_t *lvo_mem = NULL;
  54 static uint8_t next_frame;
  55 static mga_vid_config_t mga_vid_config;
  56 static unsigned image_bpp,image_height,image_width,src_format;
  57 uint32_t vlvo_control(uint32_t request, void *data, ...);
  58
  59 #define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
  60 #define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
  61 #define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))
  62
  63 extern vo_functions_t video_out_vesa;
  64
  65 int vlvo_preinit(const char *drvname)
  66 {
  67   mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported);
  68   return -1;
  69   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
  70     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_preinit(%s) was called\n",drvname);}
  71         lvo_handler = open(drvname,O_RDWR);
  72         if(lvo_handler == -1)
  73         {
  74                 mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_CouldntOpen,drvname);
  75                 return -1;
  76         }
  77         /* we are able to tune up this stuff depend on fourcc format */
  78         video_out_vesa.draw_slice=vlvo_draw_slice;
  79         video_out_vesa.draw_frame=vlvo_draw_frame;
  80         video_out_vesa.flip_page=vlvo_flip_page;
  81         video_out_vesa.draw_osd=vlvo_draw_osd;
  82   video_out_vesa.control=vlvo_control;
  83         return 0;
  84 }
  85
  86 int      vlvo_init(unsigned src_width,unsigned src_height,
  87                    unsigned x_org,unsigned y_org,unsigned dst_width,
  88                    unsigned dst_height,unsigned format,unsigned dest_bpp)
  89 {
  90   size_t i,awidth;
  91   mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported);
  92   return -1;
  93   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
  94     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_init() was called\n");}
  95         image_width = src_width;
  96         image_height = src_height;
  97         mga_vid_config.version=MGA_VID_VERSION;
  98         src_format = mga_vid_config.format=format;
  99         awidth = (src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
 100         switch(format){
 101         case IMGFMT_YV12:
 102         case IMGFMT_I420:
 103         case IMGFMT_IYUV:
 104             image_bpp=16;
 105             mga_vid_config.frame_size = awidth*src_height+(awidth*src_height)/2;
 106             break;
 107         case IMGFMT_YUY2:
 108         case IMGFMT_UYVY:
 109             image_bpp=16;
 110             mga_vid_config.frame_size = awidth*src_height*2;
 111             break;
 112         case IMGFMT_RGB15:
 113         case IMGFMT_BGR15:
 114         case IMGFMT_RGB16:
 115         case IMGFMT_BGR16:
 116             image_bpp=16;
 117             mga_vid_config.frame_size = awidth*src_height*2;
 118             break;
 119         case IMGFMT_RGB24:
 120         case IMGFMT_BGR24:
 121             image_bpp=24;
 122             mga_vid_config.frame_size = awidth*src_height*3;
 123             break;
 124         case IMGFMT_RGB32:
 125         case IMGFMT_BGR32:
 126             image_bpp=32;
 127             mga_vid_config.frame_size = awidth*src_height*4;
 128             break;
 129         default:
 130             mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_InvalidOutputFormat,vo_format_name(format),format);
 131             return -1;
 132         }
 133         mga_vid_config.colkey_on=0;
 134         mga_vid_config.src_width = src_width;
 135         mga_vid_config.src_height= src_height;
 136         mga_vid_config.dest_width = dst_width;
 137         mga_vid_config.dest_height= dst_height;
 138         mga_vid_config.x_org=x_org;
 139         mga_vid_config.y_org=y_org;
 140         mga_vid_config.num_frames=NUM_FRAMES;
 141         if (ioctl(lvo_handler,MGA_VID_CONFIG,&mga_vid_config))
 142         {
 143                 perror("vesa_lvo: Error in mga_vid_config ioctl()");
 144                 mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_IncompatibleDriverVersion);
 145                 return -1;
 146         }
 147         ioctl(lvo_handler,MGA_VID_ON,0);
 148
 149         frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,lvo_handler,0);
 150         for(i=1;i<NUM_FRAMES;i++)
 151                 frames[i] = frames[i-1] + mga_vid_config.frame_size;
 152         next_frame = 0;
 153         lvo_mem = frames[next_frame];
 154
 155         /*clear the buffer*/
 156         memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
 157         return 0;
 158 }
 159
 160 void vlvo_term( void )
 161 {
 162   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 163     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_term() was called\n");}
 164         ioctl( lvo_handler,MGA_VID_OFF,0 );
 165         munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
 166         if(lvo_handler != -1) close(lvo_handler);
 167 }
 168
 169 uint32_t vlvo_draw_slice_420(uint8_t *image[], int stride[], int w,int h,int x,int y)
 170 {
 171     uint8_t *src;
 172     uint8_t *dest;
 173     uint32_t bespitch,bespitch2;
 174     int i;
 175
 176     bespitch = (mga_vid_config.src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
 177     bespitch2 = bespitch/2;
 178
 179     dest = lvo_mem + bespitch * y + x;
 180     src = image[0];
 181     for(i=0;i<h;i++){
 182         fast_memcpy(dest,src,w);
 183         src+=stride[0];
 184         dest += bespitch;
 185     }
 186
 187     w/=2;h/=2;x/=2;y/=2;
 188
 189     dest = lvo_mem + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
 190     src = image[1];
 191     for(i=0;i<h;i++){
 192         fast_memcpy(dest,src,w);
 193         src+=stride[1];
 194         dest += bespitch2;
 195     }
 196
 197     dest = lvo_mem + bespitch*mga_vid_config.src_height
 198                    + bespitch*mga_vid_config.src_height / 4
 199                    + bespitch2 * y + x;
 200     src = image[2];
 201     for(i=0;i<h;i++){
 202         fast_memcpy(dest,src,w);
 203         src+=stride[2];
 204         dest += bespitch2;
 205     }
 206     return 0;
 207 }
 208
 209 uint32_t vlvo_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
 210 {
 211  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 212    mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_slice() was called\n");}
 213     if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
 214         vlvo_draw_slice_420(image,stride,w,h,x,y);
 215     else
 216     {
 217         uint8_t *dst;
 218         uint8_t bytpp;
 219         bytpp = (image_bpp+7)/8;
 220         dst = lvo_mem + (image_width * y + x)*bytpp;
 221         /* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
 222         fast_memcpy(dst,image[0],mga_vid_config.frame_size);
 223     }
 224  return 0;
 225 }
 226
 227 uint32_t vlvo_draw_frame(uint8_t *image[])
 228 {
 229 /* Note it's very strange but sometime for YUY2 draw_frame is called */
 230   fast_memcpy(lvo_mem,image[0],mga_vid_config.frame_size);
 231   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 232     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_flip_page() was called\n");}
 233   return 0;
 234 }
 235
 236 void     vlvo_flip_page(void)
 237 {
 238   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 239     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_osd() was called\n");}
 240   if(vo_doublebuffering)
 241   {
 242         ioctl(lvo_handler,MGA_VID_FSEL,&next_frame);
 243         next_frame=(next_frame+1)%mga_vid_config.num_frames;
 244         lvo_mem=frames[next_frame];
 245   }
 246 }
 247
 248 #if 0
 249 static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 250 {
 251   UNUSED(x0);
 252   UNUSED(y0);
 253   UNUSED(w);
 254   UNUSED(h);
 255   UNUSED(src);
 256   UNUSED(srca);
 257   UNUSED(stride);
 258 }
 259
 260 static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
 261 {
 262     uint32_t bespitch = /*(*/mga_vid_config.src_width;// + 15) & ~15;
 263     switch(mga_vid_config.format){
 264     case IMGFMT_BGR15:
 265     case IMGFMT_RGB15:
 266         vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 267         break;
 268     case IMGFMT_BGR16:
 269     case IMGFMT_RGB16:
 270         vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
 271         break;
 272     case IMGFMT_BGR24:
 273     case IMGFMT_RGB24:
 274         vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+3*(y0*bespitch+x0),3*bespitch);
 275         break;
 276     case IMGFMT_BGR32:
 277     case IMGFMT_RGB32:
 278         vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+4*(y0*bespitch+x0),4*bespitch);
 279         break;
 280     case IMGFMT_YV12:
 281     case IMGFMT_IYUV:
 282     case IMGFMT_I420:
 283         vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
 284         break;
 285     case IMGFMT_YUY2:
 286         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0),bespitch);
 287         break;
 288     case IMGFMT_UYVY:
 289         vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0)+1,bespitch);
 290         break;
 291     default:
 292         draw_alpha_null(x0,y0,w,h,src,srca,stride);
 293     }
 294 }
 295 #endif
 296
 297 void     vlvo_draw_osd(void)
 298 {
 299   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 300     mp_msg(MSGT_VO,MSGL_DBG2,"vesa_lvo: vlvo_draw_osd() was called\n"); }
 301   /* TODO: hw support */
 302 #if 0
 303 /* disable this stuff until new fbvid.h interface will be implemented
 304   because in different fourcc radeon_vid and rage128_vid have different
 305   width alignment */
 306   vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
 307 #endif
 308 }
 309
 310 uint32_t vlvo_query_info(uint32_t format)
 311 {
 312   if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 313     mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: query_format was called: %x (%s)\n",format,vo_format_name(format)); }
 314   return VFCAP_CSP_SUPPORTED;
 315 }
 316
 317 uint32_t vlvo_control(uint32_t request, void *data, ...)
 318 {
 319   switch (request) {
 320   case VOCTRL_QUERY_FORMAT:
 321     return vlvo_query_info(*((uint32_t*)data));
 322   }
 323   return VO_NOTIMPL;
 324 }