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.
29 #include "libmpcodecs/img_format.h"
30 #include "libmpcodecs/mp_image.h"
32 #include "libvo/fastmemcpy.h"
34 void mp_image_alloc_planes(mp_image_t
*mpi
) {
35 // IF09 - allocate space for 4. plane delta info - unused
36 if (mpi
->imgfmt
== IMGFMT_IF09
) {
37 mpi
->planes
[0]=memalign(64, mpi
->bpp
*mpi
->width
*(mpi
->height
+2)/8+
38 mpi
->chroma_width
*mpi
->chroma_height
);
40 mpi
->planes
[0]=memalign(64, mpi
->bpp
*mpi
->width
*(mpi
->height
+2)/8);
41 if (mpi
->flags
&MP_IMGFLAG_PLANAR
) {
42 int bpp
= IMGFMT_IS_YUVP16(mpi
->imgfmt
)? 2 : 1;
43 // YV12/I420/YVU9/IF09. feel free to add other planar formats here...
44 mpi
->stride
[0]=mpi
->stride
[3]=bpp
*mpi
->width
;
45 if(mpi
->num_planes
> 2){
46 mpi
->stride
[1]=mpi
->stride
[2]=bpp
*mpi
->chroma_width
;
47 if(mpi
->flags
&MP_IMGFLAG_SWAPPED
){
49 mpi
->planes
[1]=mpi
->planes
[0]+mpi
->stride
[0]*mpi
->height
;
50 mpi
->planes
[2]=mpi
->planes
[1]+mpi
->stride
[1]*mpi
->chroma_height
;
51 if (mpi
->num_planes
> 3)
52 mpi
->planes
[3]=mpi
->planes
[2]+mpi
->stride
[2]*mpi
->chroma_height
;
54 // YV12,YVU9,IF09 (Y,V,U)
55 mpi
->planes
[2]=mpi
->planes
[0]+mpi
->stride
[0]*mpi
->height
;
56 mpi
->planes
[1]=mpi
->planes
[2]+mpi
->stride
[1]*mpi
->chroma_height
;
57 if (mpi
->num_planes
> 3)
58 mpi
->planes
[3]=mpi
->planes
[1]+mpi
->stride
[1]*mpi
->chroma_height
;
62 mpi
->stride
[1]=mpi
->chroma_width
;
63 mpi
->planes
[1]=mpi
->planes
[0]+mpi
->stride
[0]*mpi
->height
;
66 mpi
->stride
[0]=mpi
->width
*mpi
->bpp
/8;
67 if (mpi
->flags
& MP_IMGFLAG_RGB_PALETTE
)
68 mpi
->planes
[1] = memalign(64, 1024);
70 mpi
->flags
|=MP_IMGFLAG_ALLOCATED
;
73 mp_image_t
* alloc_mpi(int w
, int h
, unsigned long int fmt
) {
74 mp_image_t
* mpi
= new_mp_image(w
,h
);
76 mp_image_setfmt(mpi
,fmt
);
77 mp_image_alloc_planes(mpi
);
82 void copy_mpi(mp_image_t
*dmpi
, mp_image_t
*mpi
) {
83 if(mpi
->flags
&MP_IMGFLAG_PLANAR
){
84 memcpy_pic(dmpi
->planes
[0],mpi
->planes
[0], mpi
->w
, mpi
->h
,
85 dmpi
->stride
[0],mpi
->stride
[0]);
86 memcpy_pic(dmpi
->planes
[1],mpi
->planes
[1], mpi
->chroma_width
, mpi
->chroma_height
,
87 dmpi
->stride
[1],mpi
->stride
[1]);
88 memcpy_pic(dmpi
->planes
[2], mpi
->planes
[2], mpi
->chroma_width
, mpi
->chroma_height
,
89 dmpi
->stride
[2],mpi
->stride
[2]);
91 memcpy_pic(dmpi
->planes
[0],mpi
->planes
[0],
92 mpi
->w
*(dmpi
->bpp
/8), mpi
->h
,
93 dmpi
->stride
[0],mpi
->stride
[0]);