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  • only in /netgear-R7000-V1.0.7.12_1.2.5/ap/gpl/minidlna/ffmpeg-2.3.4/libavfilter/libmpcodecs/
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
36void 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
81mp_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
90void 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
105void 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
238mp_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
247void 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