[Mplayer-cvslog] CVS: main/libmpcodecs vd.c,NONE,1.1 vd.h,NONE,1.1 vd_internal.h,NONE,1.1 Makefile,NONE,1.1

Arpi of Ize arpi at mplayer.dev.hu
Thu Feb 28 01:57:33 CET 2002


Update of /cvsroot/mplayer/main/libmpcodecs
In directory mplayer:/var/tmp.root/cvs-serv13060

Added Files:
	vd.c vd.h vd_internal.h Makefile 
Log Message:
libmpcodecs core - initial version

--- NEW FILE ---
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"
#include "mp_msg.h"

#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif

#include "codec-cfg.h"
//#include "mp_image.h"

#include "../libvo/img_format.h"

#include "stream.h"
#include "demuxer.h"
#include "stheader.h"

#include "vd.h"
//#include "vd_internal.h"

extern vd_functions_t mpcodecs_vd_null;

vd_functions_t* mpcodecs_vd_drivers[] = {
        &mpcodecs_vd_null,
	NULL
};

int mpcodecs_config_vo(sh_video_t *sh, int w, int h, unsigned int preferred_outfmt){

    return 1;
}

static mp_image_t* static_images[2];
static mp_image_t* temp_images[1];
static int static_idx=0;

// mp_imgtype: buffering type, see mp_image.h
// mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
// returns NULL or allocated mp_image_t*
// Note: buffer allocation may be moved to mpcodecs_config_vo() later...
mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h){
  mp_image_t* mpi=NULL;
  // Note: we should call libvo first to check if it supports direct rendering
  // and if not, then fallback to software buffers:
  switch(mp_imgtype){
  case MP_IMGTYPE_EXPORT:
    mpi=new_mp_image(w,h);
    break;
  case MP_IMGTYPE_STATIC:
    if(!static_images[0]) static_images[0]=new_mp_image(w,h);
    mpi=static_images[0];
    break;
  case MP_IMGTYPE_TEMP:
    if(!temp_images[0]) temp_images[0]=new_mp_image(w,h);
    mpi=temp_images[0];
    break;
  case MP_IMGTYPE_IPB:
    if(!(mp_imgflag&MP_IMGFLAG_READABLE)){ // B frame:
      if(!temp_images[0]) temp_images[0]=new_mp_image(w,h);
      mpi=temp_images[0];
      break;
    }
  case MP_IMGTYPE_IP:
    if(!static_images[static_idx]) static_images[static_idx]=new_mp_image(w,h);
    mpi=static_images[static_idx];
    static_idx^=1;
    break;
  }
  if(mpi){
    mpi->type=mp_imgtype;
    mpi->flags&=~(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE);
    mpi->flags|=mp_imgflag&(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE);
    if(!mpi->bpp){
      mp_image_setfmt(mpi,sh->codec->outfmt[sh->outfmtidx]);
      if(!(mpi->flags&(MP_IMGFLAG_ALLOCATED|MP_IMGFLAG_DIRECT)) 
         && mpi->type>MP_IMGTYPE_EXPORT){
          // non-direct and not yet allocaed image. allocate it!
	  printf("*** Allocating mp_image_t, %d bytes\n",mpi->bpp*mpi->width*mpi->height/8);
	  mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*mpi->height/8);
	  if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
	  if(mpi->flags&MP_IMGFLAG_PLANAR){
	      // YV12/I420. feel free to add other planar formats here...
	      if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->width/2;
	      mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
	      mpi->planes[2]=mpi->planes[1]+mpi->width*mpi->height/4;
	  }
	  mpi->flags|=MP_IMGFLAG_ALLOCATED;
      }
    }
  }
  return mpi;
}


--- NEW FILE ---
typedef struct vd_info_s
{
        /* driver name ("Matrox Millennium G200/G400" */
        const char *name;
        /* short name (for config strings) ("mga") */
        const char *short_name;
	/* -vfm id */
	const int id;
        /* interface author/maintainer */
        const char *maintainer;
        /* codec author ("Aaron Holtzman <aholtzma at ess.engr.uvic.ca>") */
        const char *author;
        /* any additional comments */
        const char *comment;
} vd_info_t;

/* interface towards mplayer and */
typedef struct vd_functions_s
{
	vd_info_t *info;
        int (*init)(sh_video_t *sh);
        void (*uninit)(sh_video_t *sh);
        int (*control)(sh_video_t *sh,int cmd,void* arg, ...);
        mp_image_t* (*decode)(sh_video_t *sh,void* data,int len,int flags);
} vd_functions_t;

// NULL terminated array of all drivers
extern vd_functions_t* mpcodecs_vd_drivers[];

#define CONTROL_OK 1
#define CONTROL_TRUE 1
#define CONTROL_FALSE 0
#define CONTROL_UNKNOWN -1
#define CONTROL_ERROR -2
#define CONTROL_NA -3

#define VDCTRL_QUERY_FORMAT 3 /* test for availabilty of a format */


--- NEW FILE ---

// prototypes:
static vd_info_t info;
static int control(sh_video_t *sh,int cmd,void* arg,...);
static int init(sh_video_t *sh);
static void uninit(sh_video_t *sh);
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags);

#define LIBVD_EXTERN(x) vd_functions_t mpcodecs_vd_##x = {\
	&info,\
	init,\
        uninit,\
	control,\
	decode\
};


--- NEW FILE ---

include ../config.mak

LIBNAME = libmpcodecs.a

SRCS=vd.c vd_null.c

OBJS=$(SRCS:.c=.o)

CFLAGS  = -Wall $(OPTFLAGS) -I. -I.. -I../libmpdemux -I../loader $(EXTRA_INC)

.SUFFIXES: .c .o

# .PHONY: all clean

.c.o:
	$(CC) -c $(CFLAGS) -o $@ $<

$(LIBNAME):     $(OBJS)
	$(AR) r $(LIBNAME) $(OBJS)

all:    $(LIBNAME)

clean:
	rm -f *.o *.a *~

distclean:
	rm -f Makefile.bak *.o *.a *~ .depend

dep:    depend

depend:
	$(CC) -MM $(CFLAGS) $(SRCS) 1>.depend

#
# include dependency files if they exist
#
ifneq ($(wildcard .depend),)
include .depend
endif





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