[Mplayer-cvslog] CVS: main/libmpcodecs vf_yvu9.c,NONE,1.1

[Alex Beregszaszi]

Update of /cvsroot/mplayer/main/libmpcodecs
In directory mail:/var/tmp.root/cvs-serv3887

Added Files:
	vf_yvu9.c 
Log Message:
yvu9toyv12 converter

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

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

#include "img_format.h"
#include "mp_image.h"
#include "vf.h"

#include "../libvo/fastmemcpy.h"
#include "../postproc/rgb2rgb.h"

//===========================================================================//

static int config(struct vf_instance_s* vf,
        int width, int height, int d_width, int d_height,
	unsigned int flags, unsigned int outfmt){
    
    if(vf_next_query_format(vf,IMGFMT_YV12)<=0){
	printf("yv12 not supported by next filter/vo :(\n");
	return 0;
    }
    
    return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
}

static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
    mp_image_t *dmpi;

    // hope we'll get DR buffer:
    dmpi=vf_get_image(vf->next,IMGFMT_YV12,
	MP_IMGTYPE_TEMP, 0/*MP_IMGFLAG_ACCEPT_STRIDE*/,
	mpi->w, mpi->h);

    yvu9toyv12(mpi->planes[0],mpi->planes[1],mpi->planes[2],
	    dmpi->planes[0], dmpi->planes[1], dmpi->planes[2], mpi->w, mpi->h,
	    dmpi->stride[0], dmpi->stride[1]);
    
    dmpi->qscale=mpi->qscale;
    dmpi->qstride=mpi->qstride;
    
    vf_next_put_image(vf,dmpi);
}

//===========================================================================//

static int query_format(struct vf_instance_s* vf, unsigned int fmt){
    if (fmt == IMGFMT_YVU9)
	return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
    return 0;
}

static int open(vf_instance_t *vf, char* args){
    vf->config=config;
    vf->put_image=put_image;
    vf->query_format=query_format;
    return 1;
}

vf_info_t vf_info_yvu9 = {
    "fast YVU9->YV12 conversion",
    "yvu9",
    "alex",
    "",
    open
};

//===========================================================================//