| /* |
| * 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 |
| }; |
| |
| //===========================================================================// |