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// requires libdv-0.9.5 !!!
// (v0.9.0 is too old and has no encoding functionality exported!)
#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"
#include <libdv/dv.h>
#ifndef DV_WIDTH
#define DV_WIDTH 720
#define DV_PAL_HEIGHT 576
#define DV_NTSC_HEIGHT 480
#endif
struct vf_priv_s {
muxer_stream_t* mux;
dv_encoder_t* enc;
};
#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){
if(width!=DV_WIDTH || (height!=DV_PAL_HEIGHT && height!=DV_NTSC_HEIGHT)){
mp_msg(MSGT_VFILTER,MSGL_ERR,"DV: only 720x480 (NTSC) and 720x576 (PAL) resolutions allowed! Try with -vf scale=720:480\n");
}
vf->priv->enc->isPAL=(height==DV_PAL_HEIGHT);
vf->priv->enc->is16x9=(d_width/(float)d_height > 1.7); // 16:9=1.777777
vf->priv->enc->vlc_encode_passes=3;
vf->priv->enc->static_qno=0;
vf->priv->enc->force_dct=0;
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);
mux_v->aspect = (float)d_width/d_height;
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_YUY2) return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
if(fmt==IMGFMT_RGB24) return VFCAP_CSP_SUPPORTED;
return 0;
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
dv_encode_full_frame(vf->priv->enc, mpi->planes,
(mpi->flags&MP_IMGFLAG_YUV) ? e_dv_color_yuv : e_dv_color_rgb,
mux_v->buffer);
muxer_write_chunk(mux_v, 480 * (vf->priv->enc->isPAL ? 300 : 250) , 0x10, pts, pts);
return 1;
}
//===========================================================================//
static int vf_open(vf_instance_t *vf, char* args){
vf->config=config;
vf->default_caps=VFCAP_CONSTANT;
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;
vf->priv->enc=dv_encoder_new(0,1,1); // FIXME, parse some options!
if(!vf->priv->enc) return 0;
mux_v->bih=calloc(1, sizeof(BITMAPINFOHEADER));
mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
mux_v->bih->biWidth=0;
mux_v->bih->biHeight=0;
mux_v->bih->biCompression=mmioFOURCC('d','v','s','d');
mux_v->bih->biPlanes=1;
mux_v->bih->biBitCount=24;
return 1;
}
vf_info_t ve_info_libdv = {
"DV encoder using libdv",
"libdv",
"A'rpi",
"for internal use by mencoder",
vf_open
};
//===========================================================================//
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