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better image/plane copy

Browse Source 
based on patch by Michael Halcrow <mah69@email.byu.edu>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8738 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2003-01-03 12:53:48 +00:00
parent f1d7c16d8d
commit 72d2aaf2ac
1 changed files with 13 additions and 6 deletions

19
libmpcodecs/vf_rectangle.c
View File

@ -66,19 +66,26 @@ control(struct vf_instance_s* vf, int request, void *data)
static int
put_image(struct vf_instance_s* vf, mp_image_t* mpi){
mp_image_t* dmpi;
unsigned int bpp;
unsigned int bpp = mpi->bpp / 8;
unsigned int x, y, w, h;
dmpi = vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_TEMP,
MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
mpi->w, mpi->h);
bpp = dmpi->bpp / 8;
memcpy(dmpi->planes[0], mpi->planes[0], dmpi->stride[0] * bpp * mpi->height);
memcpy(dmpi->planes[1], mpi->planes[1], dmpi->stride[1] * mpi->chroma_height);
memcpy(dmpi->planes[2], mpi->planes[2], dmpi->stride[2] * mpi->chroma_height);
memcpy_pic(dmpi->planes[0],mpi->planes[0],mpi->w*bpp, mpi->h,
dmpi->stride[0],mpi->stride[0]);
if(mpi->flags&MP_IMGFLAG_PLANAR && mpi->flags&MP_IMGFLAG_YUV){
memcpy_pic(dmpi->planes[1],mpi->planes[1],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift,
dmpi->stride[1],mpi->stride[1]);
memcpy_pic(dmpi->planes[2],mpi->planes[2],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift,
dmpi->stride[2],mpi->stride[2]);
}
/* Draw the rectangle */
mp_msg(MSGT_VFILTER,MSGL_INFO, "rectangle: -vop crop=%d:%d:%d:%d \n", vf->priv->w, vf->priv->h, vf->priv->x, vf->priv->y);
mp_msg(MSGT_VFILTER,MSGL_INFO, "rectangle: -vop rectangle=%d:%d:%d:%d \n", vf->priv->w, vf->priv->h, vf->priv->x, vf->priv->y);
if (vf->priv->x < 0)
x = 0;