mpv/libmpcodecs/vd_raw.c

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

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

#include "codec-cfg.h"
#include "../libvo/img_format.h"

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

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

static vd_info_t info = {
	"RAW Uncompressed Video",
	"raw",
	VFM_RAW,
	"A'rpi",
	"A'rpi & Alex",
	"uncompressed"
};

LIBVD_EXTERN(raw)

// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
    switch(cmd){
    case VDCTRL_QUERY_FORMAT:
	if( (*((int*)arg)) == sh->format ) return CONTROL_TRUE;
	return CONTROL_FALSE;
    }
    return CONTROL_UNKNOWN;
}

// init driver
static int init(sh_video_t *sh){
    // set format fourcc for raw RGB:
    if(sh->format==0){
	switch(sh->bih->biBitCount){
	case 15: 
	case 16: sh->format=IMGFMT_BGR15; break;
	case 24: sh->format=IMGFMT_BGR24; break;
	case 32: sh->format=IMGFMT_BGR32; break;
	default:
	    mp_msg(MSGT_DECVIDEO,MSGL_WARN,"RAW: depth %d not supported\n",sh->bih->biBitCount);
	}
    }
    mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,sh->format);
    return 1;
}

// uninit driver
static void uninit(sh_video_t *sh){
}

//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);

// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
    mp_image_t* mpi;
    if(len<=0) return NULL; // skipped frame
    
    mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, 
	sh->disp_w, sh->disp_h);
    if(!mpi) return NULL;

    if(mpi->flags&MP_IMGFLAG_PLANAR){
	// TODO !!!
	mpi->planes[0]=data;
	mpi->stride[0]=mpi->width;
    } else {
	mpi->planes[0]=data;
	mpi->stride[0]=mpi->width*(mpi->bpp/8);
    }
    
    return mpi;
}