path: root/libvo/vo_dfbmga.c

/*
   MPlayer video driver for DirectFB / Matrox G200/G400/G450/G550

   Copyright (C) 2002-2005 Ville Syrjala <syrjala@sci.fi>

   Originally based on vo_directfb.c by
   Jiri Svoboda <Jiri.Svoboda@seznam.cz>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301 USA.
*/

/* directfb includes */
#include <directfb.h>

#define DFB_VERSION(a,b,c) (((a)<<16)|((b)<<8)|(c))

/* other things */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "fastmemcpy.h"
#include "sub.h"
#include "mp_msg.h"
#include "aspect.h"
#include "mp_fifo.h"

static const vo_info_t info = {
     "DirectFB / Matrox G200/G400/G450/G550",
     "dfbmga",
     "Ville Syrjala <syrjala@sci.fi>",
     ""
};

const LIBVO_EXTERN(dfbmga)

/******************************
*	   directfb 	      *
******************************/

/*
 * (Globals)
 */
static IDirectFB *dfb;

static IDirectFBDisplayLayer *primary;
static IDirectFBDisplayLayer *bes;
static IDirectFBDisplayLayer *crtc2;
static IDirectFBDisplayLayer *spic;

static int num_bufs;
static int current_buf;
static int current_ip_buf;
static IDirectFBSurface *bufs[3];

static IDirectFBSurface *frame;
static IDirectFBSurface *subframe;

static IDirectFBSurface *besframe;
static IDirectFBSurface *c2frame;
static IDirectFBSurface *spicframe;

static DFBSurfacePixelFormat frame_format;
static DFBSurfacePixelFormat subframe_format;

static DFBRectangle besrect;
static DFBRectangle c2rect;
static DFBRectangle *subrect;

static IDirectFBInputDevice  *keyboard;
static IDirectFBInputDevice  *remote;
static IDirectFBEventBuffer  *buffer;

static int blit_done;
static int stretch;

static int use_bes;
static int use_crtc2;
static int use_spic;
static int use_input;
static int use_remote;
static int field_parity;
static int flipping;
static DFBDisplayLayerBufferMode buffermode;
static int tvnorm;

static int osd_changed;
static int osd_dirty;
static int osd_current;
static int osd_max;

static int is_g200;

/******************************
*	    vo_dfbmga         *
******************************/

#if DIRECTFBVERSION < DFB_VERSION(0,9,18)
 #define DSPF_ALUT44 DSPF_LUT8
 #define DLBM_TRIPLE ~0
 #define DSFLIP_ONSYNC 0
#endif

#if DIRECTFBVERSION < DFB_VERSION(0,9,16)
 #define DSPF_ARGB1555 DSPF_RGB15
#endif

static uint32_t in_width;
static uint32_t in_height;
static uint32_t buf_height;
static uint32_t screen_width;
static uint32_t screen_height;
static uint32_t sub_width;
static uint32_t sub_height;

static char *
pixelformat_name( DFBSurfacePixelFormat format )
{
     switch(format) {
     case DSPF_ARGB:
          return "ARGB";
     case DSPF_RGB32:
          return "RGB32";
     case DSPF_RGB24:
	  return "RGB24";
     case DSPF_RGB16:
	  return "RGB16";
     case DSPF_ARGB1555:
	  return "ARGB1555";
     case DSPF_YUY2:
	  return "YUY2";
     case DSPF_UYVY:
	  return "UYVY";
     case DSPF_YV12:
	  return "YV12";
     case DSPF_I420:
	  return "I420";
     case DSPF_ALUT44:
	  return "ALUT44";
#if DIRECTFBVERSION > DFB_VERSION(0,9,21)
     case DSPF_NV12:
          return "NV12";
     case DSPF_NV21:
          return "NV21";
#endif
     default:
	  return "Unknown pixel format";
     }
}

static DFBSurfacePixelFormat
imgfmt_to_pixelformat( uint32_t format )
{
     switch (format) {
     case IMGFMT_BGR32:
	  return DSPF_RGB32;
     case IMGFMT_BGR24:
	  return DSPF_RGB24;
     case IMGFMT_BGR16:
	  return DSPF_RGB16;
     case IMGFMT_BGR15:
	  return DSPF_ARGB1555;
     case IMGFMT_YUY2:
	  return DSPF_YUY2;
     case IMGFMT_UYVY:
	  return DSPF_UYVY;
     case IMGFMT_YV12:
	  return DSPF_YV12;
     case IMGFMT_I420:
     case IMGFMT_IYUV:
          return DSPF_I420;
#if DIRECTFBVERSION > DFB_VERSION(0,9,21)
     case IMGFMT_NV12:
          return DSPF_NV12;
     case IMGFMT_NV21:
          return DSPF_NV21;
#endif
     default:
	  return DSPF_UNKNOWN;
     }
}

struct layer_enum
{
     const char *name;
     IDirectFBDisplayLayer **layer;
     DFBResult res;
};

static DFBEnumerationResult
get_layer_by_name( DFBDisplayLayerID id,
                   DFBDisplayLayerDescription desc,
                   void *data )
{
     struct layer_enum *l = (struct layer_enum *) data;

#if DIRECTFBVERSION > DFB_VERSION(0,9,15)
     /* We have desc.name so use it */
     if (!strcmp( l->name, desc.name ))
          if ((l->res = dfb->GetDisplayLayer( dfb, id, l->layer )) == DFB_OK)
               return DFENUM_CANCEL;
#else
     /* Fake it according to id */
     if ((id == 0 && !strcmp( l->name, "FBDev Primary Layer" )) ||
         (id == 1 && !strcmp( l->name, "Matrox Backend Scaler" )) ||
         (id == 2 && !strcmp( l->name, "Matrox CRTC2" )) ||
         (id == 3 && !strcmp( l->name, "Matrox CRTC2 Sub-Picture" )))
          if ((l->res = dfb->GetDisplayLayer( dfb, id, l->layer )) == DFB_OK)
               return DFENUM_CANCEL;
#endif

     return DFENUM_OK;
}

static int
preinit( const char *arg )
{
     DFBResult res;
     int force_input = -1;

     /* Some defaults */
     use_bes = 0;
     use_crtc2 = 1;
     use_spic = 1;
     field_parity = -1;
#if DIRECTFBVERSION > DFB_VERSION(0,9,17)
     buffermode = DLBM_TRIPLE;
     osd_max = 4;
#else
     buffermode = DLBM_BACKVIDEO;
     osd_max = 2;
#endif
     flipping = 1;
     tvnorm = -1;

     use_input = !getenv( "DISPLAY" );

     if (vo_subdevice) {
          int show_help = 0;
          int opt_no = 0;
          while (*vo_subdevice != '\0') {
               if (!strncmp(vo_subdevice, "bes", 3)) {
                    use_bes = !opt_no;
                    vo_subdevice += 3;
                    opt_no = 0;
               } else if (!strncmp(vo_subdevice, "crtc2", 5)) {
                    use_crtc2 = !opt_no;
                    vo_subdevice += 5;
                    opt_no = 0;
               } else if (!strncmp(vo_subdevice, "spic", 4)) {
                    use_spic = !opt_no;
                    vo_subdevice += 4;
                    opt_no = 0;
               } else if (!strncmp(vo_subdevice, "input", 5)) {
                    force_input = !opt_no;
                    vo_subdevice += 5;
                    opt_no = 0;
               } else if (!strncmp(vo_subdevice, "remote", 6)) {
                    use_remote = !opt_no;
                    vo_subdevice += 6;
                    opt_no = 0;
               } else if (!strncmp(vo_subdevice, "buffermode=", 11)) {
                    if (opt_no) {
                         show_help = 1;
                         break;
                    }
                    vo_subdevice += 11;
                    if (!strncmp(vo_subdevice, "single", 6)) {
                         buffermode = DLBM_FRONTONLY;
                         osd_max = 1;
                         flipping = 0;
                         vo_subdevice += 6;