vo_directfb2.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 1,516 行 · 第 1/3 页

/*
   MPlayer video driver for DirectFramebuffer device
  
   (C) 2002
   
   Written by  Jiri Svoboda <[e-mail]>

   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 <mplaylib.h>
#include <mplaylib.h>
#include <mplaylib.h>

#ifdef __linux__
#include <sys/kd.h>
#else
#include <linux/kd.h>
#endif

#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 "subopt-helper.h"
#include "mp_fifo.h"

#ifndef min
#define min(x,y) (((x)<(y))?(x):(y))
#endif

#if DIRECTFBVERSION > DFB_VERSION(0,9,17)
// triple buffering
#define TRIPLE 1
#endif

static vo_info_t info = {
	"Direct Framebuffer Device",
	"directfb",
	"Jiri Svoboda [e-mail]",
	"v 2.0 (for DirectFB version >=0.9.13)"
};

LIBVO_EXTERN(directfb)

/******************************
*      vo_directfb globals    *
******************************/

#define DFBCHECK(x...)                                         \
  {                                                            \
    DFBResult err = x;                                         \
                                                               \
    if (err != DFB_OK)                                         \
      {                                                        \
        fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
        DirectFBErrorFatal( #x, err );                         \
      }                                                        \
  }

 /*
 *  filled by preinit
 */

// main DirectFB handle
static IDirectFB *dfb = NULL;
// keyboard handle
static IDirectFBInputDevice *keyboard = NULL;
// A buffer for input events.
static IDirectFBEventBuffer *buffer = NULL;

 /*
 *  filled during config
 */

// handle of used layer
static IDirectFBDisplayLayer *layer = NULL;
// surface of used layer
static IDirectFBSurface *primary = NULL;
static int primarylocked = 0;
// handle of temporary surface (if used)
static IDirectFBSurface *frame = NULL;
static int framelocked = 0;
// flipping mode flag (layer/surface)
static int flipping = 0; 
// scaling flag
static int stretch = 0;
// pictrure position
static int xoffset=0,yoffset=0;
// picture size
static int out_width=0,out_height=0;
// frame/primary size
static int width=0,height=0;
// frame primary format
DFBSurfacePixelFormat pixel_format;
/*
static void (*draw_alpha_p)(int w, int h, unsigned char *src,
		unsigned char *srca, int stride, unsigned char *dst,
		int dstride);
*/

/******************************
* cmd line parameteres        *
******************************/

/* command line/config file options */
static int layer_id = -1;
static int buffer_mode = 1;
static int use_input = 1;
static int field_parity = -1;

/******************************
*	   implementation     *
******************************/

void unlock(void) {
if (frame && framelocked) frame->Unlock(frame);
if (primary && primarylocked) primary->Unlock(primary);
}

static int get_parity(strarg_t *arg) {
  if (strargcmp(arg, "top") == 0)
    return 0;
  if (strargcmp(arg, "bottom") == 0)
    return 1;
  return -1;
}

static int check_parity(void *arg) {
  return get_parity(arg) != -1;
}

static int get_mode(strarg_t *arg) {
  if (strargcmp(arg, "single") == 0)
    return 1;
  if (strargcmp(arg, "double") == 0)
    return 2;
  if (strargcmp(arg, "triple") == 0)
    return 3;
  return 0;
}

static int check_mode(void *arg) {
  return get_mode(arg) != 0;
}

static int preinit(const char *arg)
{
    DFBResult ret;
    strarg_t mode_str = {0, NULL};
    strarg_t par_str = {0, NULL};
    strarg_t dfb_params = {0, NULL};
    opt_t subopts[] = {
      {"input",       OPT_ARG_BOOL, &use_input,  NULL},
      {"buffermode",  OPT_ARG_STR,  &mode_str,   check_mode},
      {"fieldparity", OPT_ARG_STR,  &par_str,    check_parity},
      {"layer",       OPT_ARG_INT,  &layer_id,   NULL},
      {"dfbopts",     OPT_ARG_STR,  &dfb_params, NULL},
      {NULL}
    };

    mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Preinit entered\n");

    if (dfb) return 0; // we are already inited!

    // set defaults
    buffer_mode = 1 + vo_doublebuffering; // honor -double switch
    layer_id = -1;
    use_input = 1;
    field_parity = -1;
     if (subopt_parse(arg, subopts) != 0) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "\n-vo directfb command line help:\n"
                       "Example: mplayer -vo directfb:layer=1:buffermode=single\n"
                       "\nOptions (use 'no' prefix to disable):\n"
                       "  input  Use DirectFB for keyboard input\n"
                       "\nOther options:\n"
                       "  layer=n\n"
                       "    n=0..xx   Use layer with id n for output (0=primary)\n"
                       "  buffermode=(single|double|triple)\n"
                       "    single   Use single buffering\n"
                       "    double   Use double buffering\n"
                       "    triple   Use triple buffering\n"
                       "  fieldparity=(top|bottom)\n"
                       "    top      Top field first\n"
                       "    bottom   Bottom field first\n"
		       "  dfbopts=<str>\n"
		       "    Specify a parameter list for DirectFB\n"
                       "\n" );
               return -1;
     }
    if (mode_str.len)
      buffer_mode = get_mode(&mode_str);
    if (par_str.len)
      field_parity = get_parity(&par_str);


	if (dfb_params.len > 0)
	{
	    int argc = 2;
	    char arg0[10] = "mplayer";
	    char *arg1 = malloc(dfb_params.len + 7);
	    char* argv[3];
	    char ** a;
	    
	    a = &argv[0];
	    
	    strcpy(arg1, "--dfb:");
	    strncat(arg1, dfb_params.str, dfb_params.len);

	    argv[0]=arg0;
	    argv[1]=arg1;
	    argv[2]=NULL;
	    
    	    DFBCHECK (DirectFBInit (&argc,&a));

	    free(arg1);
	} else {
	
        DFBCHECK (DirectFBInit (NULL,NULL));
	}

	if (((directfb_major_version <= 0) &&
	    (directfb_minor_version <= 9) &&
	    (directfb_micro_version < 13)))
	{
	    mp_msg(MSGT_VO, MSGL_ERR,"DirectFB: Unsupported DirectFB version\n");	
	    return 1;
	}

  /*
   * (set options)
   */
	
//	uncomment this if you do not wish to create a new vt for DirectFB
//        DFBCHECK (DirectFBSetOption ("no-vt-switch",""));

//	uncomment this if you want to allow vt switching
//       DFBCHECK (DirectFBSetOption ("vt-switching",""));

//	uncomment this if you want to hide gfx cursor (req dfb >=0.9.9)
        DFBCHECK (DirectFBSetOption ("no-cursor",""));

// bg color fix
        DFBCHECK (DirectFBSetOption ("bg-color","00000000"));

  /*
   * (Initialize)
   */

        DFBCHECK (DirectFBCreate (&dfb));

#if DIRECTFBVERSION < DFB_VERSION(0,9,17)
        if (DFB_OK != dfb->SetCooperativeLevel (dfb, DFSCL_FULLSCREEN)) {
            mp_msg(MSGT_VO, MSGL_WARN,"DirectFB: Warning - cannot swith to fullscreen mode");
        };
#endif
	
  /*
   * (Get keyboard)
   */
    
  if (use_input) {
    ret = dfb->GetInputDevice (dfb, DIDID_KEYBOARD, &keyboard);
    if (ret==DFB_OK) {
	mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Keyboard init OK\n");
    } else {
	keyboard = NULL;
	mp_msg(MSGT_VO, MSGL_ERR,"DirectFB: Keyboard init FAILED\n");
    }
  } 


  /*
   * Create an input buffer for the keyboard.
   */
  if (keyboard) DFBCHECK (keyboard->CreateEventBuffer (keyboard, &buffer));

  // just to start with clean ...
  if (buffer) buffer->Reset(buffer);

  mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Preinit OK\n");

  return 0;

}

DFBSurfacePixelFormat convformat(uint32_t format)
{
// add more formats !!!
	switch (format) {
            case IMGFMT_RGB32: return  DSPF_RGB32; break;
	    case IMGFMT_BGR32: return  DSPF_RGB32; break;
    	    case IMGFMT_RGB24: return  DSPF_RGB24; break;
	    case IMGFMT_BGR24: return  DSPF_RGB24; break;
            case IMGFMT_RGB16: return  DSPF_RGB16; break;
            case IMGFMT_BGR16: return  DSPF_RGB16; break;
#if DIRECTFBVERSION > DFB_VERSION(0,9,15)
            case IMGFMT_RGB15: return  DSPF_ARGB1555; break;
            case IMGFMT_BGR15: return  DSPF_ARGB1555; break;
#else
            case IMGFMT_RGB15: return  DSPF_RGB15; break;
            case IMGFMT_BGR15: return  DSPF_RGB15; break;
#endif
            case IMGFMT_YUY2:  return  DSPF_YUY2; break;
            case IMGFMT_UYVY:  return  DSPF_UYVY; break;
    	    case IMGFMT_YV12:  return  DSPF_YV12; break;
    	    case IMGFMT_I420:  return  DSPF_I420; break;
//    	    case IMGFMT_IYUV:  return  DSPF_IYUV; break;
    	    case IMGFMT_RGB8:  return  DSPF_RGB332; break;
    	    case IMGFMT_BGR8:  return  DSPF_RGB332; break;
	
	    default: return 0;
	}
return 0;	
}

typedef struct enum1_s {
uint32_t format;
int scale;
int result;
unsigned int id;
unsigned int width;
unsigned int height;
int setsize;
} enum1_t;

DFBEnumerationResult test_format_callback( unsigned int                 id,
                                           DFBDisplayLayerDescription  desc,
                                           void *data)
{
     enum1_t *params =(enum1_t *)data;
     IDirectFBDisplayLayer *layer;
     DFBResult ret;
    
     if ((layer_id == -1 )||(layer_id == id)) {
    
     ret = dfb->GetDisplayLayer( dfb, id, &layer);
     if (ret) {
               DirectFBError( "dfb->GetDisplayLayer failed", ret );
	       return DFENUM_OK;
     } else {
        DFBDisplayLayerConfig        dlc;

	if (params->setsize) {
    	    dlc.flags	= DLCONF_WIDTH |DLCONF_HEIGHT;
	    dlc.width	= params->width;
	    dlc.height	= params->height;
	    layer->SetConfiguration(layer,&dlc);
	}


        dlc.flags       = DLCONF_PIXELFORMAT;
	dlc.pixelformat = convformat(params->format);

	layer->SetOpacity(layer,0);
             
	ret = layer->TestConfiguration(layer,&dlc,NULL);
 
        layer->Release(layer);

	mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Test format - layer %i scale/pos %i\n",id,(desc.caps & DLCAPS_SCREEN_LOCATION));
     
	if (ret==DFB_OK) {
//	    printf("Test OK\n");     
	    if (params->result) {
	        if  ((!params->scale) && (desc.caps & DLCAPS_SCREEN_LOCATION)) {
		    params->scale=1;
		    params->id=id;
		    mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Test format - added layer %i scale/pos %i\n",id,(desc.caps & DLCAPS_SCREEN_LOCATION));
		}
	    } else {
		params->result=1;
		params->id=id;
		if (desc.caps & DLCAPS_SCREEN_LOCATION) params->scale=1;
		mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Test format - added layer %i scale/pos %i\n",id,(desc.caps & DLCAPS_SCREEN_LOCATION));
	   };
	};
     };

    };

    return DFENUM_OK;
}

static int query_format(uint32_t format)
{
	int ret = VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_OSD; // osd should be removed in future -> will be handled outside...
	enum1_t params;


	if (!convformat(format)) return 0;
// temporary disable YV12
//	if (format == IMGFMT_YV12) return 0;
//	if (format == IMGFMT_I420) return 0;
	if (format == IMGFMT_IYUV) return 0;
	
	mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Format query: %s\n",vo_format_name(format));

	params.format=format;
	params.scale=0;
	params.result=0;
	params.setsize=0;

        DFBCHECK (dfb->EnumDisplayLayers(dfb,test_format_callback,&params));

	if (params.result) {
	    if (params.scale) ret |=VFCAP_HWSCALE_UP|VFCAP_HWSCALE_DOWN;
	    return ret;
	}

	return 0;
}

typedef struct videomode_s {
int width;
int height;
int out_width;
int out_height;
int overx;
int overy;
int bpp;
} videomode_t;


DFBEnumerationResult video_modes_callback( unsigned int width,unsigned int height,unsigned int bpp, void *data)
{
     videomode_t *params =(videomode_t *)data;

int overx=0,overy=0,closer=0,over=0;
int we_are_under=0;

mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Validator entered %i %i %i\n",width,height,bpp);

overx=width-params->out_width;
overy=height-params->out_height;

if (!params->width) {
        params->width=width;
        params->height=height;
	params->overx=overx;
	params->overy=overy;
	mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Mode added %i %i %i\n",width,height,bpp);
}

if ((params->overy<0)||(params->overx<0)) we_are_under=1; // stored mode is smaller than req mode
if (abs(overx*overy)<abs(params->overx * params->overy)) closer=1; // current mode is closer to desired res
if ((overx>=0)&&(overy>=0)) over=1; // current mode is bigger or equaul to desired res
if ((closer && (over || we_are_under)) || (we_are_under && over)) {
                params->width=width;
                params->height=height;
                params->overx=overx;
                params->overy=overy;
		mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Better mode added %i %i %i\n",width,height,bpp);
                };

return DFENUM_OK;
}

#define CONFIG_ERROR -1

static int config(uint32_t s_width, uint32_t s_height, uint32_t d_width,
		uint32_t d_height, uint32_t flags, char *title,
		uint32_t format)
{
  /*
   * (Locals)
   */

// decode flags

	int fs = flags & VOFLAG_FULLSCREEN;
        int vm = flags & VOFLAG_MODESWITCHING;

	DFBSurfaceDescription dsc;
        DFBResult             ret;
        DFBDisplayLayerConfig dlc;
	DFBSurfaceCapabilities caps;

	enum1_t params;

	mp_msg(MSGT_VO, MSGL_INFO,"DirectFB: Config entered [%ix%i]\n",s_width,s_height);