mpv/libmpcodecs/ve_rawrgb.c

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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"
extern void mencoder_write_chunk(muxer_stream_t *s,int len,unsigned int flags);
//===========================================================================//
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_BGR24) return 3 | VFCAP_FLIPPED;
return 0;
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
mux_v->buffer=mpi->planes[0];
mencoder_write_chunk(mux_v, mpi->width*mpi->height*3, 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=0;
mux_v->bih->biPlanes=1;
mux_v->bih->biBitCount=24;
return 1;
}
vf_info_t ve_info_rawrgb = {
"rawrgb encoder",
"rawrgb",
"A'rpi",
"for internal use by mencoder",
vf_open
};
//===========================================================================//