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mpv/libmpcodecs/vf_lavcdeint.c
albeu 33b62af947 Add the new -vf option wich is the same as vop in reverse order.
Syntax is we decided, so you can give the nomes or not with both
vop and vf. vf take precedence over vop.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
2003-03-15 18:01:02 +00:00

195 lines
4.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "../config.h"
#include "../mp_msg.h"
#include "../help_mp.h"
#ifdef USE_LIBAVCODEC
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
//#include "../libvo/fastmemcpy.h"
#ifdef USE_LIBAVCODEC_SO
#include <ffmpeg/avcodec.h>
#else
#include "libavcodec/avcodec.h"
#endif
extern int avcodec_inited;
struct vf_priv_s
{
int width, height;
int pix_fmt;
};
/* Support for avcodec's built-in deinterlacer.
* Based on vf_lavc.c
*/
//===========================================================================//
/* Convert mplayer's IMGFMT_* to avcodec's PIX_FMT_* for the supported
* IMGFMT's, and return -1 if the deinterlacer doesn't support
* that format (-1 because 0 is a valid PIX_FMT).
*/
/* The deinterlacer supports planer 4:2:0, 4:2:2, and 4:4:4 YUV */
static int
imgfmt_to_pixfmt (int imgfmt)
{
switch(imgfmt)
{
/* I hope I got all the supported formats */
/* 4:2:0 */
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
return PIX_FMT_YUV420P;
break;
#if 0
/* 4:2:2 */
case IMGFMT_UYVY:
case IMGFMT_UYNV:
case IMGFMT_Y422:
case IMGFMT_YUY2:
case IMGFMT_YUNV:
case IMGFMT_YVYU:
case IMGFMT_Y42T:
case IMGFMT_V422:
case IMGFMT_V655:
return PIX_FMT_YUV422P;
break;
#endif
/* Are there any _planar_ YUV 4:4:4 formats? */
default:
return -1;
}
}
static int
config (struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
struct vf_priv_s *priv = vf->priv;
priv->pix_fmt = imgfmt_to_pixfmt(outfmt);
if(priv->pix_fmt == -1)
return 0;
/* The deinterlacer will fail if this is false */
if ((width & 3) != 0 || (height & 3) != 0)
return 0;
/* If we get here, the deinterlacer is guaranteed not to fail */
priv->width = width;
priv->height = height;
return vf_next_config(vf,
width, height,
d_width, d_height,
flags, outfmt);
}
static int
put_image (struct vf_instance_s* vf, mp_image_t *mpi)
{
struct vf_priv_s *priv = vf->priv;
mp_image_t* dmpi;
AVPicture pic;
AVPicture lavc_picture;
lavc_picture.data[0] = mpi->planes[0];
lavc_picture.data[1] = mpi->planes[1];
lavc_picture.data[2] = mpi->planes[2];
lavc_picture.linesize[0] = mpi->stride[0];
lavc_picture.linesize[1] = mpi->stride[1];
lavc_picture.linesize[2] = mpi->stride[2];
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
priv->width, priv->height);
pic.data[0] = dmpi->planes[0];
pic.data[1] = dmpi->planes[1];
pic.data[2] = dmpi->planes[2];
pic.linesize[0] = dmpi->stride[0];
pic.linesize[1] = dmpi->stride[1];
pic.linesize[2] = dmpi->stride[2];
if (avpicture_deinterlace(&pic, &lavc_picture,
priv->pix_fmt, priv->width, priv->height) < 0)
{
/* This should not happen -- see config() */
return 0;
}
return vf_next_put_image(vf, dmpi);
}
static int
query_format (struct vf_instance_s* vf, unsigned int fmt)
{
if(imgfmt_to_pixfmt(fmt) == -1)
return 0;
return vf_next_query_format(vf,fmt);
}
static int
open (vf_instance_t *vf, char* args)
{
/* We don't have any args */
(void) args;
vf->config = config;
vf->put_image = put_image;
vf->query_format = query_format;
vf->priv = malloc(sizeof(struct vf_priv_s));
memset(vf->priv,0,sizeof(struct vf_priv_s));
/* This may not technically be necessary just for a deinterlace,
* but it seems like a good idea.
*/
if(!avcodec_inited)
{
avcodec_init();
avcodec_register_all();
avcodec_inited=1;
}
return 1;
}
vf_info_t vf_info_lavcdeint = {
"libavcodec's deinterlacing filter",
"lavcdeint",
"Joe Rabinoff",
"libavcodec's internal deinterlacer, in case you don't like "
"the builtin ones (invoked with -pp or -npp)",
open,
NULL
};
//===========================================================================//
#endif /* USE_LIBAVCODEC */