FFmpeg
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
img_format.c
Go to the documentation of this file.
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 
23 const char *ff_vo_format_name(int format)
24 {
25  static char unknown_format[20];
26  switch(format)
27  {
28  case IMGFMT_RGB1: return "RGB 1-bit";
29  case IMGFMT_RGB4: return "RGB 4-bit";
30  case IMGFMT_RG4B: return "RGB 4-bit per byte";
31  case IMGFMT_RGB8: return "RGB 8-bit";
32  case IMGFMT_RGB12: return "RGB 12-bit";
33  case IMGFMT_RGB15: return "RGB 15-bit";
34  case IMGFMT_RGB16: return "RGB 16-bit";
35  case IMGFMT_RGB24: return "RGB 24-bit";
36 // case IMGFMT_RGB32: return "RGB 32-bit";
37  case IMGFMT_RGB48LE: return "RGB 48-bit LE";
38  case IMGFMT_RGB48BE: return "RGB 48-bit BE";
39  case IMGFMT_BGR1: return "BGR 1-bit";
40  case IMGFMT_BGR4: return "BGR 4-bit";
41  case IMGFMT_BG4B: return "BGR 4-bit per byte";
42  case IMGFMT_BGR8: return "BGR 8-bit";
43  case IMGFMT_BGR12: return "BGR 12-bit";
44  case IMGFMT_BGR15: return "BGR 15-bit";
45  case IMGFMT_BGR16: return "BGR 16-bit";
46  case IMGFMT_BGR24: return "BGR 24-bit";
47 // case IMGFMT_BGR32: return "BGR 32-bit";
48  case IMGFMT_ABGR: return "ABGR";
49  case IMGFMT_BGRA: return "BGRA";
50  case IMGFMT_ARGB: return "ARGB";
51  case IMGFMT_RGBA: return "RGBA";
52  case IMGFMT_YVU9: return "Planar YVU9";
53  case IMGFMT_IF09: return "Planar IF09";
54  case IMGFMT_YV12: return "Planar YV12";
55  case IMGFMT_I420: return "Planar I420";
56  case IMGFMT_IYUV: return "Planar IYUV";
57  case IMGFMT_CLPL: return "Planar CLPL";
58  case IMGFMT_Y800: return "Planar Y800";
59  case IMGFMT_Y8: return "Planar Y8";
60  case IMGFMT_420P16_LE: return "Planar 420P 16-bit little-endian";
61  case IMGFMT_420P16_BE: return "Planar 420P 16-bit big-endian";
62  case IMGFMT_422P16_LE: return "Planar 422P 16-bit little-endian";
63  case IMGFMT_422P16_BE: return "Planar 422P 16-bit big-endian";
64  case IMGFMT_444P16_LE: return "Planar 444P 16-bit little-endian";
65  case IMGFMT_444P16_BE: return "Planar 444P 16-bit big-endian";
66  case IMGFMT_420A: return "Planar 420P with alpha";
67  case IMGFMT_444P: return "Planar 444P";
68  case IMGFMT_422P: return "Planar 422P";
69  case IMGFMT_411P: return "Planar 411P";
70  case IMGFMT_NV12: return "Planar NV12";
71  case IMGFMT_NV21: return "Planar NV21";
72  case IMGFMT_HM12: return "Planar NV12 Macroblock";
73  case IMGFMT_IUYV: return "Packed IUYV";
74  case IMGFMT_IY41: return "Packed IY41";
75  case IMGFMT_IYU1: return "Packed IYU1";
76  case IMGFMT_IYU2: return "Packed IYU2";
77  case IMGFMT_UYVY: return "Packed UYVY";
78  case IMGFMT_UYNV: return "Packed UYNV";
79  case IMGFMT_cyuv: return "Packed CYUV";
80  case IMGFMT_Y422: return "Packed Y422";
81  case IMGFMT_YUY2: return "Packed YUY2";
82  case IMGFMT_YUNV: return "Packed YUNV";
83  case IMGFMT_YVYU: return "Packed YVYU";
84  case IMGFMT_Y41P: return "Packed Y41P";
85  case IMGFMT_Y211: return "Packed Y211";
86  case IMGFMT_Y41T: return "Packed Y41T";
87  case IMGFMT_Y42T: return "Packed Y42T";
88  case IMGFMT_V422: return "Packed V422";
89  case IMGFMT_V655: return "Packed V655";
90  case IMGFMT_CLJR: return "Packed CLJR";
91  case IMGFMT_YUVP: return "Packed YUVP";
92  case IMGFMT_UYVP: return "Packed UYVP";
93  case IMGFMT_MPEGPES: return "Mpeg PES";
94  case IMGFMT_ZRMJPEGNI: return "Zoran MJPEG non-interlaced";
95  case IMGFMT_ZRMJPEGIT: return "Zoran MJPEG top field first";
96  case IMGFMT_ZRMJPEGIB: return "Zoran MJPEG bottom field first";
97  case IMGFMT_XVMC_MOCO_MPEG2: return "MPEG1/2 Motion Compensation";
98  case IMGFMT_XVMC_IDCT_MPEG2: return "MPEG1/2 Motion Compensation and IDCT";
99  case IMGFMT_VDPAU_MPEG1: return "MPEG1 VDPAU acceleration";
100  case IMGFMT_VDPAU_MPEG2: return "MPEG2 VDPAU acceleration";
101  case IMGFMT_VDPAU_H264: return "H.264 VDPAU acceleration";
102  case IMGFMT_VDPAU_MPEG4: return "MPEG-4 Part 2 VDPAU acceleration";
103  case IMGFMT_VDPAU_WMV3: return "WMV3 VDPAU acceleration";
104  case IMGFMT_VDPAU_VC1: return "VC1 VDPAU acceleration";
105  }
106  snprintf(unknown_format,20,"Unknown 0x%04x",format);
107  return unknown_format;
108 }
109 
110 int ff_mp_get_chroma_shift(int format, int *x_shift, int *y_shift)
111 {
112  int xs = 0, ys = 0;
113  int bpp;
114  int bpp_factor = 1;
115  int err = 0;
116  switch (format) {
117  case IMGFMT_420P16_LE:
118  case IMGFMT_420P16_BE:
119  bpp_factor = 2;
120  case IMGFMT_420A:
121  case IMGFMT_I420:
122  case IMGFMT_IYUV:
123  case IMGFMT_YV12:
124  xs = 1;
125  ys = 1;
126  break;
127  case IMGFMT_IF09:
128  case IMGFMT_YVU9:
129  xs = 2;
130  ys = 2;
131  break;
132  case IMGFMT_444P16_LE:
133  case IMGFMT_444P16_BE:
134  bpp_factor = 2;
135  case IMGFMT_444P:
136  xs = 0;
137  ys = 0;
138  break;
139  case IMGFMT_422P16_LE:
140  case IMGFMT_422P16_BE:
141  bpp_factor = 2;
142  case IMGFMT_422P:
143  xs = 1;
144  ys = 0;
145  break;
146  case IMGFMT_411P:
147  xs = 2;
148  ys = 0;
149  break;
150  case IMGFMT_440P:
151  xs = 0;
152  ys = 1;
153  break;
154  case IMGFMT_Y8:
155  case IMGFMT_Y800:
156  xs = 31;
157  ys = 31;
158  break;
159  default:
160  err = 1;
161  break;
162  }
163  if (x_shift) *x_shift = xs;
164  if (y_shift) *y_shift = ys;
165  bpp = 8 + ((16 >> xs) >> ys);
166  if (format == IMGFMT_420A)
167  bpp += 8;
168  bpp *= bpp_factor;
169  return err ? 0 : bpp;
170 }