diff options
author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-04-07 20:21:37 +0000 |
---|---|---|
committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-04-07 20:21:37 +0000 |
commit | abd870166d55db9437e5913ca608e5cfc27ecf94 (patch) | |
tree | 83a8296fff90f6b07f3d0b978d459a6506b5a53d /libmpcodecs/vf_scale.c | |
parent | 712a621e7a4852f911955aab6c6140dd06ca3d68 (diff) | |
download | mpv-abd870166d55db9437e5913ca608e5cfc27ecf94.tar.bz2 mpv-abd870166d55db9437e5913ca608e5cfc27ecf94.tar.xz |
swscale filter
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5523 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/vf_scale.c')
-rw-r--r-- | libmpcodecs/vf_scale.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libmpcodecs/vf_scale.c b/libmpcodecs/vf_scale.c new file mode 100644 index 0000000000..0f58137178 --- /dev/null +++ b/libmpcodecs/vf_scale.c @@ -0,0 +1,79 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <inttypes.h> + +#include "../config.h" +#include "../mp_msg.h" + +#include "../mp_image.h" +#include "vf.h" + +#include "../libvo/fastmemcpy.h" +#include "../postproc/swscale.h" + +struct vf_priv_s { + int w,h; + SwsContext *ctx; +}; + +//===========================================================================// + +static int config(struct vf_instance_s* vf, + int width, int height, int d_width, int d_height, + unsigned int flags, unsigned int outfmt){ + // calculate the missing parameters: + if(vf->priv->w<=0) vf->priv->w=width; + if(vf->priv->h<=0) vf->priv->h=height; + // new swscaler: + vf->priv->ctx=getSwsContextFromCmdLine(width,height,outfmt, + vf->priv->w,vf->priv->h,outfmt); + if(!vf->priv->ctx){ + // error... + printf("Couldn't init SwScaler for this setup\n"); + return 0; + } + return vf_next_config(vf,vf->priv->w,vf->priv->h,d_width,d_height,flags,outfmt); +} + +static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){ + mp_image_t *dmpi; + + // hope we'll get DR buffer: + dmpi=vf_get_image(vf->next,mpi->imgfmt, + MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, + vf->priv->w, vf->priv->h); + + vf->priv->ctx->swScale(vf->priv->ctx,mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride); + + vf_next_put_image(vf,dmpi); +} + +//===========================================================================// + +static int open(vf_instance_t *vf, char* args){ + vf->config=config; + vf->put_image=put_image; + vf->priv=malloc(sizeof(struct vf_priv_s)); + // TODO: parse args -> + vf->priv->ctx=NULL; + vf->priv->w= + vf->priv->h=-1; + if(args) sscanf(args, "%d:%d", + &vf->priv->w, + &vf->priv->h); + printf("SwScale: %d x %d\n", + vf->priv->w, + vf->priv->h); + return 1; +} + +vf_info_t vf_info_scale = { + "software scaling", + "scale", + "A'rpi", + "", + open +}; + +//===========================================================================// |