vo_dfbmga.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 1,527 行 · 第 1/4 页

          blit_to_screen();
          blit_done = 1;

     vo_remove_text( sub_width, sub_height, clear_alpha );
     vo_draw_text( sub_width, sub_height, draw_alpha );

     if (use_spic && flipping && osd_changed) {
          subframe->Flip( subframe, NULL, 0 );
          osd_current <<= 1;
          if (osd_current > osd_max)
               osd_current = 1;
     }
}

static void
flip_page( void )
{
          if (!blit_done)
               blit_to_screen();

     if (flipping) {
          if (use_crtc2)
               c2frame->Flip( c2frame, NULL, vo_vsync ? DSFLIP_WAITFORSYNC : DSFLIP_ONSYNC );
          else
               besframe->Flip( besframe, NULL, vo_vsync ? DSFLIP_WAITFORSYNC : DSFLIP_ONSYNC );

          if (!use_spic) {
               osd_current <<= 1;
               if (osd_current > osd_max)
                    osd_current = 1;
          }
     }

     blit_done = 0;
     current_buf = 0;
}

static void
uninit( void )
{
     release_config();

     if (buffer)
          buffer->Release( buffer );
     if (remote)
          remote->Release( remote );
     if (keyboard)
          keyboard->Release( keyboard );
     if (crtc2)
          crtc2->Release( crtc2 );
     if (bes)
          bes->Release( bes );
     if (primary)
          primary->Release( primary );
     if (dfb)
          dfb->Release( dfb );

     buffer = NULL;
     remote = NULL;
     keyboard = NULL;
     crtc2 = NULL;
     bes = NULL;
     primary = NULL;
     dfb = NULL;
}

static uint32_t
get_image( mp_image_t *mpi )
{
     int buf = current_buf;
     void *dst;
     int pitch;

     if (mpi->flags & MP_IMGFLAG_READABLE &&
         (mpi->type == MP_IMGTYPE_IPB || mpi->type == MP_IMGTYPE_IP)) {
          if (num_bufs < 2)
               return VO_FALSE;

          current_ip_buf ^= 1;

          if (mpi->type == MP_IMGTYPE_IPB && num_bufs < 3 && current_ip_buf)
               return VO_FALSE;

          buf = current_ip_buf;

          if (mpi->type == MP_IMGTYPE_IPB)
               buf++;
     }
     frame = bufs[buf];
     frame->Unlock( frame );

     /* Always use DSLF_READ to preserve system memory copy */
     if (frame->Lock( frame, DSLF_WRITE | DSLF_READ,
                      &dst, &pitch ) != DFB_OK)
          return VO_FALSE;

     if ((mpi->width == pitch) ||
         (mpi->flags & (MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_ACCEPT_WIDTH))) {

          mpi->planes[0] = dst;
          mpi->width     = in_width;
          mpi->stride[0] = pitch;

          if (mpi->flags & MP_IMGFLAG_PLANAR) {
               if (mpi->num_planes > 2) {
               mpi->stride[1] = mpi->stride[2] = pitch / 2;

               if (mpi->flags & MP_IMGFLAG_SWAPPED) {
                    /* I420 */
                    mpi->planes[1] = dst + buf_height * pitch;
                    mpi->planes[2] = mpi->planes[1] + buf_height * pitch / 4;
               } else {
                    /* YV12 */
                    mpi->planes[2] = dst + buf_height * pitch;
                    mpi->planes[1] = mpi->planes[2] + buf_height * pitch / 4;
               }
               } else {
                    /* NV12/NV21 */
                    mpi->stride[1] = pitch;
                    mpi->planes[1] = dst + buf_height * pitch;
               }
          }

          mpi->flags |= MP_IMGFLAG_DIRECT;
          mpi->priv = (void *) buf;
          current_buf = buf;

          return VO_TRUE;
     }

     frame->Unlock( frame );

     return VO_FALSE;
}



static uint32_t
draw_image( mp_image_t *mpi )
{
     if (mpi->flags & MP_IMGFLAG_DIRECT) {
          current_buf = (int) mpi->priv;
          return VO_TRUE;
     }
     if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
          return VO_TRUE;

     if (mpi->flags & MP_IMGFLAG_PLANAR)
          return draw_slice( mpi->planes, mpi->stride,
                             mpi->w, mpi->h, 0, 0 );
     else {
          void *dst;
          int pitch;

          if (frame->Lock( frame, DSLF_WRITE, &dst, &pitch ) != DFB_OK)
               return VO_FALSE;
          memcpy_pic( dst, mpi->planes[0],
                      mpi->w * (mpi->bpp / 8), mpi->h,
                      pitch, mpi->stride[0] );
          frame->Unlock( frame );

          return VO_TRUE;
     }
}

static int
set_equalizer( char *data, int value )
{
     DFBResult res;
     DFBColorAdjustment ca;
     float factor = (float) 0xffff / 200.0;

     ca.flags = DCAF_NONE;

     if (!strcasecmp( data, "brightness" )) {
          ca.flags      |= DCAF_BRIGHTNESS;
          ca.brightness  = value * factor + 0x8000;
     }
     if (!strcasecmp( data, "contrast" )) {
          ca.flags    |= DCAF_CONTRAST;
          ca.contrast  = value * factor + 0x8000;
     }
     if (!strcasecmp( data, "hue" )) {
          ca.flags |= DCAF_HUE;
          ca.hue    = value * factor + 0x8000;
     }
     if (!strcasecmp( data, "saturation" )) {
          ca.flags      |= DCAF_SATURATION;
          ca.saturation  = value * factor + 0x8000;
     }

     /* Prefer CRTC2 over BES */
     if (use_crtc2)
          res = crtc2->SetColorAdjustment( crtc2, &ca );
     else
          res = bes->SetColorAdjustment( bes, &ca );

     if (res != DFB_OK)
          return VO_FALSE;

     return VO_TRUE;
}

static int
get_equalizer( char *data, int *value )
{
     DFBResult res;
     DFBColorAdjustment ca;
     float factor = 200.0 / (float) 0xffff;

     /* Prefer CRTC2 over BES */
     if (use_crtc2)
          res = crtc2->GetColorAdjustment( crtc2, &ca );
     else
          res = bes->GetColorAdjustment( bes, &ca );

     if (res != DFB_OK)
          return VO_FALSE;
     
     if (!strcasecmp( data, "brightness" ) &&
         (ca.flags & DCAF_BRIGHTNESS))
          *value = (ca.brightness - 0x8000) * factor;
     if (!strcasecmp( data, "contrast" ) &&
         (ca.flags & DCAF_CONTRAST))
          *value = (ca.contrast - 0x8000) * factor;
     if (!strcasecmp( data, "hue" ) &&
         (ca.flags & DCAF_HUE))
          *value = (ca.hue - 0x8000) * factor;
     if (!strcasecmp( data, "saturation" ) &&
         (ca.flags & DCAF_SATURATION))
          *value = (ca.saturation - 0x8000) * factor;

     return VO_TRUE;
}

static int
control( uint32_t request, void *data, ... )
{
     switch (request) {
     case VOCTRL_GUISUPPORT:
     case VOCTRL_GUI_NOWINDOW:
          return VO_TRUE;

     case VOCTRL_QUERY_FORMAT:
	  return query_format( *((uint32_t *) data) );

     case VOCTRL_GET_IMAGE:
          return get_image( data );

     case VOCTRL_DRAW_IMAGE:
          return draw_image( data );

     case VOCTRL_SET_EQUALIZER:
          {
               va_list ap;
               int value;

               va_start( ap, data );
               value = va_arg( ap, int );
               va_end( ap );

               return set_equalizer( data, value );
          }
     case VOCTRL_GET_EQUALIZER:
          {
               va_list ap;
               int *value;

               va_start( ap, data );
               value = va_arg( ap, int* );
               va_end( ap );

               return get_equalizer( data, value );
          }
     }

     return VO_NOTIMPL;
}

#include "osdep/keycodes.h"

static void
check_events( void )
{
     DFBInputEvent event;

     if (!buffer)
          return;

     if (buffer->GetEvent( buffer, DFB_EVENT( &event )) == DFB_OK) {
          if (event.type == DIET_KEYPRESS) {
               switch (event.key_symbol) {
               case DIKS_ESCAPE:
                    mplayer_put_key( KEY_ESC );
                    break;
               case DIKS_PAGE_UP:
                    mplayer_put_key( KEY_PAGE_UP );
                    break;
               case DIKS_PAGE_DOWN:
                    mplayer_put_key( KEY_PAGE_DOWN );
                    break;
               case DIKS_CURSOR_UP:
                    mplayer_put_key( KEY_UP );
                    break;
               case DIKS_CURSOR_DOWN:
                    mplayer_put_key( KEY_DOWN );
                    break;
               case DIKS_CURSOR_LEFT:
                    mplayer_put_key( KEY_LEFT );
                    break;
               case DIKS_CURSOR_RIGHT:
                    mplayer_put_key( KEY_RIGHT );
                    break;
               case DIKS_INSERT:
                    mplayer_put_key( KEY_INSERT );
                    break;
               case DIKS_DELETE:
                    mplayer_put_key( KEY_DELETE );
                    break;
               case DIKS_HOME:
                    mplayer_put_key( KEY_HOME );
                    break;
               case DIKS_END:
                    mplayer_put_key( KEY_END );
                    break;

               case DIKS_POWER:
                    mplayer_put_key( KEY_POWER );
                    break;
               case DIKS_MENU:
                    mplayer_put_key( KEY_MENU );
                    break;
               case DIKS_PLAY:
                    mplayer_put_key( KEY_PLAY );
                    break;
               case DIKS_STOP:
                    mplayer_put_key( KEY_STOP );
                    break;
               case DIKS_PAUSE:
                    mplayer_put_key( KEY_PAUSE );
                    break;
               case DIKS_PLAYPAUSE:
                    mplayer_put_key( KEY_PLAYPAUSE );
                    break;
               case DIKS_FORWARD:
                    mplayer_put_key( KEY_FORWARD );
                    break;
               case DIKS_NEXT:
                    mplayer_put_key( KEY_NEXT );
                    break;
               case DIKS_REWIND:
                    mplayer_put_key( KEY_REWIND );
                    break;
               case DIKS_PREVIOUS:
                    mplayer_put_key( KEY_PREV );
                    break;
               case DIKS_VOLUME_UP:
                     mplayer_put_key( KEY_VOLUME_UP );
                    break;
               case DIKS_VOLUME_DOWN:
                    mplayer_put_key( KEY_VOLUME_DOWN );
                    break;
               case DIKS_MUTE:
                    mplayer_put_key( KEY_MUTE );
                    break;

               default:
                    mplayer_put_key( event.key_symbol );
               }
          }
     }

     /*
      * empty buffer, because of repeating
      * keyboard repeat is faster than key handling and this causes problems during seek
      * temporary workabout. should be solved in the future
      */
     buffer->Reset( buffer );
}