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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavfilter / libmpcodecs / img_format.c
CommitLineData
2ba45a60
DM		 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
24const 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_XYZ12LE: return "XYZ 36-bit LE";
56 case IMGFMT_XYZ12BE: return "XYZ 36-bit BE";
57 case IMGFMT_GBR24P: return "Planar GBR 24-bit";
58 case IMGFMT_GBR12P: return "Planar GBR 36-bit";
59 case IMGFMT_GBR14P: return "Planar GBR 42-bit";
60 case IMGFMT_YVU9: return "Planar YVU9";
61 case IMGFMT_IF09: return "Planar IF09";
62 case IMGFMT_YV12: return "Planar YV12";
63 case IMGFMT_I420: return "Planar I420";
64 case IMGFMT_IYUV: return "Planar IYUV";
65 case IMGFMT_CLPL: return "Planar CLPL";
66 case IMGFMT_Y800: return "Planar Y800";
67 case IMGFMT_Y8: return "Planar Y8";
68 case IMGFMT_Y8A: return "Planar Y8 with alpha";
69 case IMGFMT_Y16_LE: return "Planar Y16 little-endian";
70 case IMGFMT_Y16_BE: return "Planar Y16 big-endian";
71 case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
72 case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
73 case IMGFMT_420P14_LE: return "Planar 420P 14-bit little-endian";
74 case IMGFMT_420P14_BE: return "Planar 420P 14-bit big-endian";
75 case IMGFMT_420P12_LE: return "Planar 420P 12-bit little-endian";
76 case IMGFMT_420P12_BE: return "Planar 420P 12-bit big-endian";
77 case IMGFMT_420P10_LE: return "Planar 420P 10-bit little-endian";
78 case IMGFMT_420P10_BE: return "Planar 420P 10-bit big-endian";
79 case IMGFMT_420P9_LE: return "Planar 420P 9-bit little-endian";
80 case IMGFMT_420P9_BE: return "Planar 420P 9-bit big-endian";
81 case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
82 case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
83 case IMGFMT_422P14_LE: return "Planar 422P 14-bit little-endian";
84 case IMGFMT_422P14_BE: return "Planar 422P 14-bit big-endian";
85 case IMGFMT_422P12_LE: return "Planar 422P 12-bit little-endian";
86 case IMGFMT_422P12_BE: return "Planar 422P 12-bit big-endian";
87 case IMGFMT_422P10_LE: return "Planar 422P 10-bit little-endian";
88 case IMGFMT_422P10_BE: return "Planar 422P 10-bit big-endian";
89 case IMGFMT_422P9_LE: return "Planar 422P 9-bit little-endian";
90 case IMGFMT_422P9_BE: return "Planar 422P 9-bit big-endian";
91 case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
92 case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
93 case IMGFMT_444P14_LE: return "Planar 444P 14-bit little-endian";
94 case IMGFMT_444P14_BE: return "Planar 444P 14-bit big-endian";
95 case IMGFMT_444P12_LE: return "Planar 444P 12-bit little-endian";
96 case IMGFMT_444P12_BE: return "Planar 444P 12-bit big-endian";
97 case IMGFMT_444P10_LE: return "Planar 444P 10-bit little-endian";
98 case IMGFMT_444P10_BE: return "Planar 444P 10-bit big-endian";
99 case IMGFMT_444P9_LE: return "Planar 444P 9-bit little-endian";
100 case IMGFMT_444P9_BE: return "Planar 444P 9-bit big-endian";
101 case IMGFMT_420A: return "Planar 420P with alpha";
102 case IMGFMT_444P: return "Planar 444P";
103 case IMGFMT_444A: return "Planar 444P with alpha";
104 case IMGFMT_422P: return "Planar 422P";
105 case IMGFMT_422A: return "Planar 422P with alpha";
106 case IMGFMT_411P: return "Planar 411P";
107 case IMGFMT_440P: return "Planar 440P";
108 case IMGFMT_NV12: return "Planar NV12";
109 case IMGFMT_NV21: return "Planar NV21";
110 case IMGFMT_HM12: return "Planar NV12 Macroblock";
111 case IMGFMT_IUYV: return "Packed IUYV";
112 case IMGFMT_IY41: return "Packed IY41";
113 case IMGFMT_IYU1: return "Packed IYU1";
114 case IMGFMT_IYU2: return "Packed IYU2";
115 case IMGFMT_UYVY: return "Packed UYVY";
116 case IMGFMT_UYNV: return "Packed UYNV";
117 case IMGFMT_cyuv: return "Packed CYUV";
118 case IMGFMT_Y422: return "Packed Y422";
119 case IMGFMT_YUY2: return "Packed YUY2";
120 case IMGFMT_YUNV: return "Packed YUNV";
121 case IMGFMT_YVYU: return "Packed YVYU";
122 case IMGFMT_Y41P: return "Packed Y41P";
123 case IMGFMT_Y211: return "Packed Y211";
124 case IMGFMT_Y41T: return "Packed Y41T";
125 case IMGFMT_Y42T: return "Packed Y42T";
126 case IMGFMT_V422: return "Packed V422";
127 case IMGFMT_V655: return "Packed V655";
128 case IMGFMT_CLJR: return "Packed CLJR";
129 case IMGFMT_YUVP: return "Packed YUVP";
130 case IMGFMT_UYVP: return "Packed UYVP";
131 case IMGFMT_MPEGPES: return "Mpeg PES";
132 case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
133 case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
134 case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
135 case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
136 case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
137 case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
138 case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
139 case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
140 case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
141 case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
142 case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
143 }
144 snprintf(unknown_format,20,"Unknown 0x%04x",format);
145 return unknown_format;
146}
147
148int ff_mp_get_chroma_shift(int format, int *x_shift, int *y_shift, int *component_bits)
149{
150 int xs = 0, ys = 0;
151 int bpp;
152 int err = 0;
153 int bits = 8;
154 if ((format & 0xff0000f0) == 0x34000050)
155 format = av_bswap32(format);
156 if ((format & 0xf00000ff) == 0x50000034) {
157 switch (format >> 24) {
158 case 0x50:
159 break;
160 case 0x51:
161 bits = 16;
162 break;
163 case 0x52:
164 bits = 10;
165 break;
166 case 0x53:
167 bits = 9;
168 break;
169 default:
170 err = 1;
171 break;
172 }
173 switch (format & 0x00ffffff) {
174 case 0x00343434: // 444
175 xs = 0;
176 ys = 0;
177 break;
178 case 0x00323234: // 422
179 xs = 1;
180 ys = 0;
181 break;
182 case 0x00303234: // 420
183 xs = 1;
184 ys = 1;
185 break;
186 case 0x00313134: // 411
187 xs = 2;
188 ys = 0;
189 break;
190 case 0x00303434: // 440
191 xs = 0;
192 ys = 1;
193 break;
194 default:
195 err = 1;
196 break;
197 }
198 } else switch (format) {
199 case IMGFMT_444A:
200 xs = 0;
201 ys = 0;
202 break;
203 case IMGFMT_422A:
204 xs = 1;
205 ys = 0;
206 break;
207 case IMGFMT_420A:
208 case IMGFMT_I420:
209 case IMGFMT_IYUV:
210 case IMGFMT_YV12:
211 xs = 1;
212 ys = 1;
213 break;
214 case IMGFMT_IF09:
215 case IMGFMT_YVU9:
216 xs = 2;
217 ys = 2;
218 break;
219 case IMGFMT_Y8:
220 case IMGFMT_Y800:
221 xs = 31;
222 ys = 31;
223 break;
224 case IMGFMT_NV12:
225 case IMGFMT_NV21:
226 xs = 1;
227 ys = 1;
228 // TODO: allowing this though currently breaks
229 // things all over the place.
230 err = 1;
231 break;
232 default:
233 err = 1;
234 break;
235 }
236 if (x_shift) *x_shift = xs;
237 if (y_shift) *y_shift = ys;
238 if (component_bits) *component_bits = bits;
239 bpp = 8 + ((16 >> xs) >> ys);
240 if (format == IMGFMT_420A || format == IMGFMT_422A || format == IMGFMT_444A)
241 bpp += 8;
242 bpp *= (bits + 7) >> 3;
243 return err ? 0 : bpp;
244}
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