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 "img_format.h"
32 #include "libvo/fastmemcpy.h"
33 //#include "libavutil/mem.h"
35 void ff_mp_image_alloc_planes(mp_image_t *mpi) {
36 // IF09 - allocate space for 4. plane delta info - unused
37 if (mpi->imgfmt == IMGFMT_IF09) {
38 mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+
39 mpi->chroma_width*mpi->chroma_height);
41 mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);
42 if (mpi->flags&MP_IMGFLAG_PLANAR) {
43 int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;
44 // YV12/I420/YVU9/IF09. feel free to add other planar formats here...
45 mpi->stride[0]=mpi->stride[3]=bpp*mpi->width;
46 if(mpi->num_planes > 2){
47 mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width;
48 if(mpi->flags&MP_IMGFLAG_SWAPPED){
50 mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
51 mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
52 if (mpi->num_planes > 3)
53 mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height;
55 // YV12,YVU9,IF09 (Y,V,U)
56 mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height;
57 mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height;
58 if (mpi->num_planes > 3)
59 mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
63 mpi->stride[1]=mpi->chroma_width;
64 mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
67 mpi->stride[0]=mpi->width*mpi->bpp/8;
68 if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
69 mpi->planes[1] = av_malloc(1024);
71 mpi->flags|=MP_IMGFLAG_ALLOCATED;
74 mp_image_t* ff_alloc_mpi(int w, int h, unsigned long int fmt) {
75 mp_image_t* mpi = ff_new_mp_image(w,h);
77 ff_mp_image_setfmt(mpi,fmt);
78 ff_mp_image_alloc_planes(mpi);
83 void ff_copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
84 if(mpi->flags&MP_IMGFLAG_PLANAR){
85 memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
86 dmpi->stride[0],mpi->stride[0]);
87 memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
88 dmpi->stride[1],mpi->stride[1]);
89 memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
90 dmpi->stride[2],mpi->stride[2]);
92 memcpy_pic(dmpi->planes[0],mpi->planes[0],
93 mpi->w*(dmpi->bpp/8), mpi->h,
94 dmpi->stride[0],mpi->stride[0]);
98 void ff_mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
99 mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
101 // compressed formats
102 if(out_fmt == IMGFMT_MPEGPES ||
103 out_fmt == IMGFMT_ZRMJPEGNI || out_fmt == IMGFMT_ZRMJPEGIT || out_fmt == IMGFMT_ZRMJPEGIB ||
104 IMGFMT_IS_HWACCEL(out_fmt)){
109 if (IMGFMT_IS_RGB(out_fmt)) {
110 if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))
111 mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
113 mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
116 if (IMGFMT_IS_BGR(out_fmt)) {
117 if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))
118 mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
120 mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);
121 mpi->flags|=MP_IMGFLAG_SWAPPED;
124 mpi->flags|=MP_IMGFLAG_YUV;
126 if (ff_mp_get_chroma_shift(out_fmt, NULL, NULL)) {
127 mpi->flags|=MP_IMGFLAG_PLANAR;
128 mpi->bpp = ff_mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift);
129 mpi->chroma_width = mpi->width >> mpi->chroma_x_shift;
130 mpi->chroma_height = mpi->height >> mpi->chroma_y_shift;
135 mpi->flags|=MP_IMGFLAG_SWAPPED;
146 case IMGFMT_444P16_LE:
147 case IMGFMT_444P16_BE:
148 case IMGFMT_422P16_LE:
149 case IMGFMT_422P16_BE:
150 case IMGFMT_420P16_LE:
151 case IMGFMT_420P16_BE:
155 /* they're planar ones, but for easier handling use them as packed */
156 mpi->flags&=~MP_IMGFLAG_PLANAR;
160 mpi->flags|=MP_IMGFLAG_SWAPPED;
166 mpi->flags|=MP_IMGFLAG_SWAPPED;
168 mpi->flags|=MP_IMGFLAG_PLANAR;
171 mpi->chroma_width=(mpi->width>>0);
172 mpi->chroma_height=(mpi->height>>1);
173 mpi->chroma_x_shift=0;
174 mpi->chroma_y_shift=1;
177 ff_mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt);
181 mp_image_t* ff_new_mp_image(int w,int h){
182 mp_image_t* mpi = malloc(sizeof(mp_image_t));
183 if(!mpi) return NULL; // error!
184 memset(mpi,0,sizeof(mp_image_t));
186 mpi->height=mpi->h=h;
190 void ff_free_mp_image(mp_image_t* mpi){
192 if(mpi->flags&MP_IMGFLAG_ALLOCATED){
193 /* becouse we allocate the whole image in once */
194 av_free(mpi->planes[0]);
195 if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
196 av_free(mpi->planes[1]);