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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

#include "codec-cfg.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"

#include "muxer.h"

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

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

struct vf_priv_s {
    muxer_stream_t* mux;
};
#define mux_v (vf->priv->mux)

static int config(struct vf_instance_s *vf,
        int width, int height, int d_width, int d_height,
	unsigned int flags, unsigned int outfmt)
{
    mux_v->bih->biWidth = width;
    mux_v->bih->biHeight = height;
    mux_v->bih->biSizeImage = mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
    return 1;
}

static int control(struct vf_instance_s *vf, int request, void *data) {
    return CONTROL_UNKNOWN;
}

static int query_format(struct vf_instance_s *vf, unsigned int fmt) {
    if (fmt==IMGFMT_I420) return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
    return 0;
}

static int put_image(struct vf_instance_s *vf, mp_image_t *mpi) {
    mux_v->buffer = mpi->planes[0];
    muxer_write_chunk(mux_v, mpi->width*mpi->height*3/2, 0x10);
    return 1;
}

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

static int vf_open(vf_instance_t *vf, char* args){
    vf->config = config;
    vf->control = control;
    vf->query_format = query_format;
    vf->put_image = put_image;
    vf->priv = malloc(sizeof(struct vf_priv_s));
    memset(vf->priv, 0, sizeof(struct vf_priv_s));
    vf->priv->mux = (muxer_stream_t*)args;
    
    mux_v->bih = malloc(sizeof(BITMAPINFOHEADER));
    mux_v->bih->biSize = sizeof(BITMAPINFOHEADER);
    mux_v->bih->biWidth = 0;
    mux_v->bih->biHeight = 0;
    mux_v->bih->biCompression = mmioFOURCC('I', '4', '2', '0');
    mux_v->bih->biPlanes = 3;
    mux_v->bih->biBitCount = 12;

    return 1;
}

vf_info_t ve_info_rawyuv = {
    "rawyuv encoder",
    "rawyuv",
    "tuukkat@ee.oulu.fi",
    "Based on rawrgb",
    vf_open
};

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