2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include "img_format.h"
35 static void rotate(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp,int dir){
50 for(x=0;x<w;x++) dst[x]=src[y+x*srcstride];
53 for(x=0;x<w;x++) *((short*)(dst+x*2))=*((short*)(src+y*2+x*srcstride));
57 dst[x*3+0]=src[0+y*3+x*srcstride];
58 dst[x*3+1]=src[1+y*3+x*srcstride];
59 dst[x*3+2]=src[2+y*3+x*srcstride];
63 for(x=0;x<w;x++) *((int*)(dst+x*4))=*((int*)(src+y*4+x*srcstride));
69 //===========================================================================//
71 static int config(struct vf_instance *vf,
72 int width, int height, int d_width, int d_height,
73 unsigned int flags, unsigned int outfmt){
74 if (vf->priv->direction & 4) {
75 if (width<height) vf->priv->direction&=3;
77 if (vf->priv->direction & 4){
78 vf->put_image=vf_next_put_image; // passthru mode!
79 if (vf->next->draw_slice) vf->draw_slice=vf_next_draw_slice;
80 /* FIXME: this should be in an other procedure in vf.c; that should always check
81 whether the filter after the passthrough one still (not)supports slices */
82 return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
84 return vf_next_config(vf,height,width,d_height,d_width,flags,outfmt);
87 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
90 // hope we'll get DR buffer:
91 dmpi=vf_get_image(vf->next,mpi->imgfmt,
92 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
95 if(mpi->flags&MP_IMGFLAG_PLANAR){
96 rotate(dmpi->planes[0],mpi->planes[0],
97 dmpi->stride[0],mpi->stride[0],
98 dmpi->w,dmpi->h,1,vf->priv->direction);
99 rotate(dmpi->planes[1],mpi->planes[1],
100 dmpi->stride[1],mpi->stride[1],
101 dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,vf->priv->direction);
102 rotate(dmpi->planes[2],mpi->planes[2],
103 dmpi->stride[2],mpi->stride[2],
104 dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,vf->priv->direction);
106 rotate(dmpi->planes[0],mpi->planes[0],
107 dmpi->stride[0],mpi->stride[0],
108 dmpi->w,dmpi->h,dmpi->bpp>>3,vf->priv->direction);
109 dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
112 return vf_next_put_image(vf,dmpi, pts);
115 //===========================================================================//
117 static int query_format(struct vf_instance *vf, unsigned int fmt){
118 if(IMGFMT_IS_RGB(fmt) || IMGFMT_IS_BGR(fmt)) return vf_next_query_format(vf, fmt);
119 // we can support only symmetric (chroma_x_shift==chroma_y_shift) YUV formats:
129 return vf_next_query_format(vf, fmt);
134 static int vf_open(vf_instance_t *vf, char *args){
136 vf->put_image=put_image;
137 vf->query_format=query_format;
138 vf->priv=malloc(sizeof(struct vf_priv_s));
139 vf->priv->direction=args?atoi(args):0;
143 const vf_info_t vf_info_rotate = {
152 //===========================================================================//