1 /*
2  * This file is part of MPlayer.
3  *
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.
8  *
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.
13  *
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.
17  */
18 
19 #include "config.h"
20 
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 
25 #if HAVE_MALLOC_H
26 #include <malloc.h>
27 #endif
28 
29 #include "img_format.h"
30 #include "mp_image.h"
31 
32 #include "libvo/fastmemcpy.h"
33 //#include "libavutil/mem.h"
34 #include "libavutil/imgutils.h"
35 
ff_mp_image_alloc_planes(mp_image_t * mpi)36 void ff_mp_image_alloc_planes(mp_image_t *mpi) {
37     uint32_t temp[256];
38     if (avpriv_set_systematic_pal2(temp, ff_mp2ff_pix_fmt(mpi->imgfmt)) >= 0)
39         mpi->flags |= MP_IMGFLAG_RGB_PALETTE;
40 
41   // IF09 - allocate space for 4. plane delta info - unused
42   if (mpi->imgfmt == IMGFMT_IF09) {
43     mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+
44                             mpi->chroma_width*mpi->chroma_height);
45   } else
46     mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);
47   if (mpi->flags&MP_IMGFLAG_PLANAR) {
48     int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;
49     // YV12/I420/YVU9/IF09. feel free to add other planar formats here...
50     mpi->stride[0]=mpi->stride[3]=bpp*mpi->width;
51     if(mpi->num_planes > 2){
52       mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width;
53       if(mpi->flags&MP_IMGFLAG_SWAPPED){
54         // I420/IYUV  (Y,U,V)
55         mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
56         mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
57         if (mpi->num_planes > 3)
58             mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height;
59       } else {
60         // YV12,YVU9,IF09  (Y,V,U)
61         mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height;
62         mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height;
63         if (mpi->num_planes > 3)
64             mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
65       }
66     } else {
67       // NV12/NV21
68       mpi->stride[1]=mpi->chroma_width;
69       mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
70     }
71   } else {
72     mpi->stride[0]=mpi->width*mpi->bpp/8;
73     if (mpi->flags & MP_IMGFLAG_RGB_PALETTE) {
74       mpi->planes[1] = av_malloc(1024);
75       memcpy(mpi->planes[1], temp, 1024);
76     }
77   }
78   mpi->flags|=MP_IMGFLAG_ALLOCATED;
79 }
80 
ff_alloc_mpi(int w,int h,unsigned long int fmt)81 mp_image_t* ff_alloc_mpi(int w, int h, unsigned long int fmt) {
82   mp_image_t* mpi = ff_new_mp_image(w,h);
83 
84   ff_mp_image_setfmt(mpi,fmt);
85   ff_mp_image_alloc_planes(mpi);
86 
87   return mpi;
88 }
89 
ff_copy_mpi(mp_image_t * dmpi,mp_image_t * mpi)90 void ff_copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
91   if(mpi->flags&MP_IMGFLAG_PLANAR){
92     memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
93                dmpi->stride[0],mpi->stride[0]);
94     memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
95                dmpi->stride[1],mpi->stride[1]);
96     memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
97                dmpi->stride[2],mpi->stride[2]);
98   } else {
99     memcpy_pic(dmpi->planes[0],mpi->planes[0],
100                mpi->w*(dmpi->bpp/8), mpi->h,
101                dmpi->stride[0],mpi->stride[0]);
102   }
103 }
104 
ff_mp_image_setfmt(mp_image_t * mpi,unsigned int out_fmt)105 void ff_mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
106     mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
107     mpi->imgfmt=out_fmt;
108     // compressed formats
109     if(out_fmt == IMGFMT_MPEGPES ||
110        out_fmt == IMGFMT_ZRMJPEGNI || out_fmt == IMGFMT_ZRMJPEGIT || out_fmt == IMGFMT_ZRMJPEGIB ||
111        IMGFMT_IS_HWACCEL(out_fmt)){
112         mpi->bpp=0;
113         return;
114     }
115     mpi->num_planes=1;
116     if (IMGFMT_IS_RGB(out_fmt)) {
117         if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))
118             mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
119         else
120             mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
121         return;
122     }
123     if (IMGFMT_IS_BGR(out_fmt)) {
124         if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))
125             mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
126         else
127             mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);
128         mpi->flags|=MP_IMGFLAG_SWAPPED;
129         return;
130     }
131     if (IMGFMT_IS_XYZ(out_fmt)) {
132         mpi->bpp=3*((IMGFMT_XYZ_DEPTH(out_fmt) + 7) & ~7);
133         return;
134     }
135     mpi->num_planes=3;
136     if (out_fmt == IMGFMT_GBR24P) {
137         mpi->bpp=24;
138         mpi->flags|=MP_IMGFLAG_PLANAR;
139         return;
140     } else if (out_fmt == IMGFMT_GBR12P) {
141         mpi->bpp=36;
142         mpi->flags|=MP_IMGFLAG_PLANAR;
143         return;
144     } else if (out_fmt == IMGFMT_GBR14P) {
145         mpi->bpp=42;
146         mpi->flags|=MP_IMGFLAG_PLANAR;
147         return;
148     }
149     mpi->flags|=MP_IMGFLAG_YUV;
150     if (ff_mp_get_chroma_shift(out_fmt, NULL, NULL, NULL)) {
151         mpi->flags|=MP_IMGFLAG_PLANAR;
152         mpi->bpp = ff_mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift, NULL);
153         mpi->chroma_width  = mpi->width  >> mpi->chroma_x_shift;
154         mpi->chroma_height = mpi->height >> mpi->chroma_y_shift;
155     }
156     switch(out_fmt){
157     case IMGFMT_I420:
158     case IMGFMT_IYUV:
159         mpi->flags|=MP_IMGFLAG_SWAPPED;
160     case IMGFMT_YV12:
161         return;
162     case IMGFMT_420A:
163     case IMGFMT_422A:
164     case IMGFMT_444A:
165     case IMGFMT_IF09:
166         mpi->num_planes=4;
167     case IMGFMT_YVU9:
168     case IMGFMT_444P:
169     case IMGFMT_422P:
170     case IMGFMT_411P:
171     case IMGFMT_440P:
172     case IMGFMT_444P16_LE:
173     case IMGFMT_444P16_BE:
174     case IMGFMT_444P14_LE:
175     case IMGFMT_444P14_BE:
176     case IMGFMT_444P12_LE:
177     case IMGFMT_444P12_BE:
178     case IMGFMT_444P10_LE:
179     case IMGFMT_444P10_BE:
180     case IMGFMT_444P9_LE:
181     case IMGFMT_444P9_BE:
182     case IMGFMT_422P16_LE:
183     case IMGFMT_422P16_BE:
184     case IMGFMT_422P14_LE:
185     case IMGFMT_422P14_BE:
186     case IMGFMT_422P12_LE:
187     case IMGFMT_422P12_BE:
188     case IMGFMT_422P10_LE:
189     case IMGFMT_422P10_BE:
190     case IMGFMT_422P9_LE:
191     case IMGFMT_422P9_BE:
192     case IMGFMT_420P16_LE:
193     case IMGFMT_420P16_BE:
194     case IMGFMT_420P14_LE:
195     case IMGFMT_420P14_BE:
196     case IMGFMT_420P12_LE:
197     case IMGFMT_420P12_BE:
198     case IMGFMT_420P10_LE:
199     case IMGFMT_420P10_BE:
200     case IMGFMT_420P9_LE:
201     case IMGFMT_420P9_BE:
202         return;
203     case IMGFMT_Y16_LE:
204     case IMGFMT_Y16_BE:
205         mpi->bpp=16;
206     case IMGFMT_Y800:
207     case IMGFMT_Y8:
208         /* they're planar ones, but for easier handling use them as packed */
209         mpi->flags&=~MP_IMGFLAG_PLANAR;
210         mpi->num_planes=1;
211         return;
212     case IMGFMT_Y8A:
213         mpi->num_planes=2;
214         return;
215     case IMGFMT_UYVY:
216         mpi->flags|=MP_IMGFLAG_SWAPPED;
217     case IMGFMT_YUY2:
218         mpi->chroma_x_shift = 1;
219         mpi->bpp=16;
220         mpi->num_planes=1;
221         return;
222     case IMGFMT_NV12:
223         mpi->flags|=MP_IMGFLAG_SWAPPED;
224     case IMGFMT_NV21:
225         mpi->flags|=MP_IMGFLAG_PLANAR;
226         mpi->bpp=12;
227         mpi->num_planes=2;
228         mpi->chroma_width=(mpi->width>>0);
229         mpi->chroma_height=(mpi->height>>1);
230         mpi->chroma_x_shift=0;
231         mpi->chroma_y_shift=1;
232         return;
233     }
234     ff_mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt);
235     mpi->bpp=0;
236 }
237 
ff_new_mp_image(int w,int h)238 mp_image_t* ff_new_mp_image(int w,int h){
239     mp_image_t* mpi = malloc(sizeof(mp_image_t));
240     if(!mpi) return NULL; // error!
241     memset(mpi,0,sizeof(mp_image_t));
242     mpi->width=mpi->w=w;
243     mpi->height=mpi->h=h;
244     return mpi;
245 }
246 
ff_free_mp_image(mp_image_t * mpi)247 void ff_free_mp_image(mp_image_t* mpi){
248     if(!mpi) return;
249     if(mpi->flags&MP_IMGFLAG_ALLOCATED){
250         /* because we allocate the whole image at once */
251         av_free(mpi->planes[0]);
252         if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
253             av_free(mpi->planes[1]);
254     }
255     free(mpi);
256 }
257 
258