diff options
author | Stefano Sabatini <stefasab@gmail.com> | 2012-09-04 13:49:15 +0400 |
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committer | Stefano Sabatini <stefasab@gmail.com> | 2012-09-06 13:27:22 +0400 |
commit | fb2e7ac3c4c4432928d10df072c3dd9c99558da9 (patch) | |
tree | d845bef62f3b52bc71319bca9c7bf56e3633bea2 /libavfilter/libmpcodecs | |
parent | ef122ff5072463366c020157f0a27aad7e6610db (diff) |
lavfi/mp: drop rotate wrapper
The native filter transpose is perfectly equivalent.
Diffstat (limited to 'libavfilter/libmpcodecs')
-rw-r--r-- | libavfilter/libmpcodecs/vf_rotate.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/libavfilter/libmpcodecs/vf_rotate.c b/libavfilter/libmpcodecs/vf_rotate.c deleted file mode 100644 index 08d73bec28..0000000000 --- a/libavfilter/libmpcodecs/vf_rotate.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <inttypes.h> - -#include "config.h" -#include "mp_msg.h" - -#include "img_format.h" -#include "mp_image.h" -#include "vf.h" - -struct vf_priv_s { - int direction; -}; - -static void rotate(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp,int dir){ - int y; - if(dir&1){ - src+=srcstride*(w-1); - srcstride*=-1; - } - if(dir&2){ - dst+=dststride*(h-1); - dststride*=-1; - } - - for(y=0;y<h;y++){ - int x; - switch(bpp){ - case 1: - for(x=0;x<w;x++) dst[x]=src[y+x*srcstride]; - break; - case 2: - for(x=0;x<w;x++) *((short*)(dst+x*2))=*((short*)(src+y*2+x*srcstride)); - break; - case 3: - for(x=0;x<w;x++){ - dst[x*3+0]=src[0+y*3+x*srcstride]; - dst[x*3+1]=src[1+y*3+x*srcstride]; - dst[x*3+2]=src[2+y*3+x*srcstride]; - } - break; - case 4: - for(x=0;x<w;x++) *((int*)(dst+x*4))=*((int*)(src+y*4+x*srcstride)); - } - dst+=dststride; - } -} - -//===========================================================================// - -static int config(struct vf_instance *vf, - int width, int height, int d_width, int d_height, - unsigned int flags, unsigned int outfmt){ - if (vf->priv->direction & 4) { - if (width<height) vf->priv->direction&=3; - } - if (vf->priv->direction & 4){ - vf->put_image=vf_next_put_image; // passthru mode! - if (vf->next->draw_slice) vf->draw_slice=vf_next_draw_slice; -/* FIXME: this should be in an other procedure in vf.c; that should always check - whether the filter after the passthrough one still (not)supports slices */ - return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); - } - return vf_next_config(vf,height,width,d_height,d_width,flags,outfmt); -} - -static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ - 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, - mpi->h, mpi->w); - - if(mpi->flags&MP_IMGFLAG_PLANAR){ - rotate(dmpi->planes[0],mpi->planes[0], - dmpi->stride[0],mpi->stride[0], - dmpi->w,dmpi->h,1,vf->priv->direction); - rotate(dmpi->planes[1],mpi->planes[1], - dmpi->stride[1],mpi->stride[1], - dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,vf->priv->direction); - rotate(dmpi->planes[2],mpi->planes[2], - dmpi->stride[2],mpi->stride[2], - dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,vf->priv->direction); - } else { - rotate(dmpi->planes[0],mpi->planes[0], - dmpi->stride[0],mpi->stride[0], - dmpi->w,dmpi->h,dmpi->bpp>>3,vf->priv->direction); - dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette - } - - return vf_next_put_image(vf,dmpi, pts); -} - -//===========================================================================// - -static int query_format(struct vf_instance *vf, unsigned int fmt){ - if(IMGFMT_IS_RGB(fmt) || IMGFMT_IS_BGR(fmt)) return vf_next_query_format(vf, fmt); - // we can support only symmetric (chroma_x_shift==chroma_y_shift) YUV formats: - switch(fmt) { - case IMGFMT_YV12: - case IMGFMT_I420: - case IMGFMT_IYUV: - case IMGFMT_YVU9: -// case IMGFMT_IF09: - case IMGFMT_Y8: - case IMGFMT_Y800: - case IMGFMT_444P: - return vf_next_query_format(vf, fmt); - } - return 0; -} - -static int vf_open(vf_instance_t *vf, char *args){ - vf->config=config; - vf->put_image=put_image; - vf->query_format=query_format; - vf->priv=malloc(sizeof(struct vf_priv_s)); - vf->priv->direction=args?atoi(args):0; - return 1; -} - -const vf_info_t vf_info_rotate = { - "rotate", - "rotate", - "A'rpi", - "", - vf_open, - NULL -}; - -//===========================================================================// |