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img_format.c
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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 #include "img_format.h"
21 #include "stdio.h"
22 #include "libavutil/bswap.h"
23 
24 const char *ff_vo_format_name(int format)
25 {
26  static char unknown_format[20];
27  switch(format)
28  {
29  case IMGFMT_RGB1: return "RGB 1-bit";
30  case IMGFMT_RGB4: return "RGB 4-bit";
31  case IMGFMT_RG4B: return "RGB 4-bit per byte";
32  case IMGFMT_RGB8: return "RGB 8-bit";
33  case IMGFMT_RGB12: return "RGB 12-bit";
34  case IMGFMT_RGB15: return "RGB 15-bit";
35  case IMGFMT_RGB16: return "RGB 16-bit";
36  case IMGFMT_RGB24: return "RGB 24-bit";
37 // case IMGFMT_RGB32: return "RGB 32-bit";
38  case IMGFMT_RGB48LE: return "RGB 48-bit LE";
39  case IMGFMT_RGB48BE: return "RGB 48-bit BE";
40  case IMGFMT_RGB64LE: return "RGB 64-bit LE";
41  case IMGFMT_RGB64BE: return "RGB 64-bit BE";
42  case IMGFMT_BGR1: return "BGR 1-bit";
43  case IMGFMT_BGR4: return "BGR 4-bit";
44  case IMGFMT_BG4B: return "BGR 4-bit per byte";
45  case IMGFMT_BGR8: return "BGR 8-bit";
46  case IMGFMT_BGR12: return "BGR 12-bit";
47  case IMGFMT_BGR15: return "BGR 15-bit";
48  case IMGFMT_BGR16: return "BGR 16-bit";
49  case IMGFMT_BGR24: return "BGR 24-bit";
50 // case IMGFMT_BGR32: return "BGR 32-bit";
51  case IMGFMT_ABGR: return "ABGR";
52  case IMGFMT_BGRA: return "BGRA";
53  case IMGFMT_ARGB: return "ARGB";
54  case IMGFMT_RGBA: return "RGBA";
55  case IMGFMT_GBR24P: return "Planar GBR 24-bit";
56  case IMGFMT_GBR12P: return "Planar GBR 36-bit";
57  case IMGFMT_GBR14P: return "Planar GBR 42-bit";
58  case IMGFMT_YVU9: return "Planar YVU9";
59  case IMGFMT_IF09: return "Planar IF09";
60  case IMGFMT_YV12: return "Planar YV12";
61  case IMGFMT_I420: return "Planar I420";
62  case IMGFMT_IYUV: return "Planar IYUV";
63  case IMGFMT_CLPL: return "Planar CLPL";
64  case IMGFMT_Y800: return "Planar Y800";
65  case IMGFMT_Y8: return "Planar Y8";
66  case IMGFMT_Y8A: return "Planar Y8 with alpha";
67  case IMGFMT_Y16_LE: return "Planar Y16 little-endian";
68  case IMGFMT_Y16_BE: return "Planar Y16 big-endian";
69  case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
70  case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
71  case IMGFMT_420P14_LE: return "Planar 420P 14-bit little-endian";
72  case IMGFMT_420P14_BE: return "Planar 420P 14-bit big-endian";
73  case IMGFMT_420P12_LE: return "Planar 420P 12-bit little-endian";
74  case IMGFMT_420P12_BE: return "Planar 420P 12-bit big-endian";
75  case IMGFMT_420P10_LE: return "Planar 420P 10-bit little-endian";
76  case IMGFMT_420P10_BE: return "Planar 420P 10-bit big-endian";
77  case IMGFMT_420P9_LE: return "Planar 420P 9-bit little-endian";
78  case IMGFMT_420P9_BE: return "Planar 420P 9-bit big-endian";
79  case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
80  case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
81  case IMGFMT_422P14_LE: return "Planar 422P 14-bit little-endian";
82  case IMGFMT_422P14_BE: return "Planar 422P 14-bit big-endian";
83  case IMGFMT_422P12_LE: return "Planar 422P 12-bit little-endian";
84  case IMGFMT_422P12_BE: return "Planar 422P 12-bit big-endian";
85  case IMGFMT_422P10_LE: return "Planar 422P 10-bit little-endian";
86  case IMGFMT_422P10_BE: return "Planar 422P 10-bit big-endian";
87  case IMGFMT_422P9_LE: return "Planar 422P 9-bit little-endian";
88  case IMGFMT_422P9_BE: return "Planar 422P 9-bit big-endian";
89  case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
90  case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
91  case IMGFMT_444P14_LE: return "Planar 444P 14-bit little-endian";
92  case IMGFMT_444P14_BE: return "Planar 444P 14-bit big-endian";
93  case IMGFMT_444P12_LE: return "Planar 444P 12-bit little-endian";
94  case IMGFMT_444P12_BE: return "Planar 444P 12-bit big-endian";
95  case IMGFMT_444P10_LE: return "Planar 444P 10-bit little-endian";
96  case IMGFMT_444P10_BE: return "Planar 444P 10-bit big-endian";
97  case IMGFMT_444P9_LE: return "Planar 444P 9-bit little-endian";
98  case IMGFMT_444P9_BE: return "Planar 444P 9-bit big-endian";
99  case IMGFMT_420A: return "Planar 420P with alpha";
100  case IMGFMT_444P: return "Planar 444P";
101  case IMGFMT_444A: return "Planar 444P with alpha";
102  case IMGFMT_422P: return "Planar 422P";
103  case IMGFMT_422A: return "Planar 422P with alpha";
104  case IMGFMT_411P: return "Planar 411P";
105  case IMGFMT_NV12: return "Planar NV12";
106  case IMGFMT_NV21: return "Planar NV21";
107  case IMGFMT_HM12: return "Planar NV12 Macroblock";
108  case IMGFMT_IUYV: return "Packed IUYV";
109  case IMGFMT_IY41: return "Packed IY41";
110  case IMGFMT_IYU1: return "Packed IYU1";
111  case IMGFMT_IYU2: return "Packed IYU2";
112  case IMGFMT_UYVY: return "Packed UYVY";
113  case IMGFMT_UYNV: return "Packed UYNV";
114  case IMGFMT_cyuv: return "Packed CYUV";
115  case IMGFMT_Y422: return "Packed Y422";
116  case IMGFMT_YUY2: return "Packed YUY2";
117  case IMGFMT_YUNV: return "Packed YUNV";
118  case IMGFMT_YVYU: return "Packed YVYU";
119  case IMGFMT_Y41P: return "Packed Y41P";
120  case IMGFMT_Y211: return "Packed Y211";
121  case IMGFMT_Y41T: return "Packed Y41T";
122  case IMGFMT_Y42T: return "Packed Y42T";
123  case IMGFMT_V422: return "Packed V422";
124  case IMGFMT_V655: return "Packed V655";
125  case IMGFMT_CLJR: return "Packed CLJR";
126  case IMGFMT_YUVP: return "Packed YUVP";
127  case IMGFMT_UYVP: return "Packed UYVP";
128  case IMGFMT_MPEGPES: return "Mpeg PES";
129  case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
130  case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
131  case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
132  case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
133  case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
134  case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
135  case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
136  case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
137  case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
138  case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
139  case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
140  }
141  snprintf(unknown_format,20,"Unknown 0x%04x",format);
142  return unknown_format;
143 }
144 
145 int ff_mp_get_chroma_shift(int format, int *x_shift, int *y_shift, int *component_bits)
146 {
147  int xs = 0, ys = 0;
148  int bpp;
149  int err = 0;
150  int bits = 8;
151  if ((format & 0xff0000f0) == 0x34000050)
152  format = av_bswap32(format);
153  if ((format & 0xf00000ff) == 0x50000034) {
154  switch (format >> 24) {
155  case 0x50:
156  break;
157  case 0x51:
158  bits = 16;
159  break;
160  case 0x52:
161  bits = 10;
162  break;
163  case 0x53:
164  bits = 9;
165  break;
166  default:
167  err = 1;
168  break;
169  }
170  switch (format & 0x00ffffff) {
171  case 0x00343434: // 444
172  xs = 0;
173  ys = 0;
174  break;
175  case 0x00323234: // 422
176  xs = 1;
177  ys = 0;
178  break;
179  case 0x00303234: // 420
180  xs = 1;
181  ys = 1;
182  break;
183  case 0x00313134: // 411
184  xs = 2;
185  ys = 0;
186  break;
187  case 0x00303434: // 440
188  xs = 0;
189  ys = 1;
190  break;
191  default:
192  err = 1;
193  break;
194  }
195  } else switch (format) {
196  case IMGFMT_444A:
197  xs = 0;
198  ys = 0;
199  break;
200  case IMGFMT_422A:
201  xs = 1;
202  ys = 0;
203  break;
204  case IMGFMT_420A:
205  case IMGFMT_I420:
206  case IMGFMT_IYUV:
207  case IMGFMT_YV12:
208  xs = 1;
209  ys = 1;
210  break;
211  case IMGFMT_IF09:
212  case IMGFMT_YVU9:
213  xs = 2;
214  ys = 2;
215  break;
216  case IMGFMT_Y8:
217  case IMGFMT_Y800:
218  xs = 31;
219  ys = 31;
220  break;
221  default:
222  err = 1;
223  break;
224  }
225  if (x_shift) *x_shift = xs;
226  if (y_shift) *y_shift = ys;
227  if (component_bits) *component_bits = bits;
228  bpp = 8 + ((16 >> xs) >> ys);
229  if (format == IMGFMT_420A || format == IMGFMT_422A || format == IMGFMT_444A)
230  bpp += 8;
231  bpp *= (bits + 7) >> 3;
232  return err ? 0 : bpp;
233 }
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