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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 | #ifndef MPLAYER_MP_IMAGE_H | |
20 | #define MPLAYER_MP_IMAGE_H | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #undef printf //FIXME | |
26 | #undef fprintf //FIXME | |
27 | #include "mp_msg.h" | |
28 | #include "libavutil/avutil.h" | |
29 | #include "libavutil/avassert.h" | |
30 | #undef realloc | |
31 | #undef malloc | |
32 | #undef free | |
33 | #undef rand | |
34 | #undef srand | |
35 | #undef printf | |
36 | #undef strncpy | |
37 | #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\n\t" | |
38 | #define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC). | |
39 | ||
40 | enum AVPixelFormat ff_mp2ff_pix_fmt(int mp); | |
41 | ||
42 | //--------- codec's requirements (filled by the codec/vf) --------- | |
43 | ||
44 | //--- buffer content restrictions: | |
45 | // set if buffer content shouldn't be modified: | |
46 | #define MP_IMGFLAG_PRESERVE 0x01 | |
47 | // set if buffer content will be READ. | |
48 | // This can be e.g. for next frame's MC: (I/P mpeg frames) - | |
49 | // then in combination with MP_IMGFLAG_PRESERVE - or it | |
50 | // can be because a video filter or codec will read a significant | |
51 | // amount of data while processing that frame (e.g. blending something | |
52 | // onto the frame, MV based intra prediction). | |
53 | // A frame marked like this should not be placed in to uncachable | |
54 | // video RAM for example. | |
55 | #define MP_IMGFLAG_READABLE 0x02 | |
56 | ||
57 | //--- buffer width/stride/plane restrictions: (used for direct rendering) | |
58 | // stride _have_to_ be aligned to MB boundary: [for DR restrictions] | |
59 | #define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4 | |
60 | // stride should be aligned to MB boundary: [for buffer allocation] | |
61 | #define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8 | |
62 | // codec accept any stride (>=width): | |
63 | #define MP_IMGFLAG_ACCEPT_STRIDE 0x10 | |
64 | // codec accept any width (width*bpp=stride -> stride%bpp==0) (>=width): | |
65 | #define MP_IMGFLAG_ACCEPT_WIDTH 0x20 | |
66 | //--- for planar formats only: | |
67 | // uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift | |
68 | #define MP_IMGFLAG_COMMON_STRIDE 0x40 | |
69 | // uses only planes[0], and calculates planes[1,2] from width,height,imgfmt | |
70 | #define MP_IMGFLAG_COMMON_PLANE 0x80 | |
71 | ||
72 | #define MP_IMGFLAGMASK_RESTRICTIONS 0xFF | |
73 | ||
74 | //--------- color info (filled by ff_mp_image_setfmt() ) ----------- | |
75 | // set if number of planes > 1 | |
76 | #define MP_IMGFLAG_PLANAR 0x100 | |
77 | // set if it's YUV colorspace | |
78 | #define MP_IMGFLAG_YUV 0x200 | |
79 | // set if it's swapped (BGR or YVU) plane/byteorder | |
80 | #define MP_IMGFLAG_SWAPPED 0x400 | |
81 | // set if you want memory for palette allocated and managed by ff_vf_get_image etc. | |
82 | #define MP_IMGFLAG_RGB_PALETTE 0x800 | |
83 | ||
84 | #define MP_IMGFLAGMASK_COLORS 0xF00 | |
85 | ||
86 | // codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2) | |
87 | // [the codec will set this flag if it supports callbacks, and the vo _may_ | |
88 | // clear it in get_image() if draw_slice() not implemented] | |
89 | #define MP_IMGFLAG_DRAW_CALLBACK 0x1000 | |
90 | // set if it's in video buffer/memory: [set by vo/vf's get_image() !!!] | |
91 | #define MP_IMGFLAG_DIRECT 0x2000 | |
92 | // set if buffer is allocated (used in destination images): | |
93 | #define MP_IMGFLAG_ALLOCATED 0x4000 | |
94 | ||
95 | // buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!) | |
96 | #define MP_IMGFLAG_TYPE_DISPLAYED 0x8000 | |
97 | ||
98 | // codec doesn't support any form of direct rendering - it has own buffer | |
99 | // allocation. so we just export its buffer pointers: | |
100 | #define MP_IMGTYPE_EXPORT 0 | |
101 | // codec requires a static WO buffer, but it does only partial updates later: | |
102 | #define MP_IMGTYPE_STATIC 1 | |
103 | // codec just needs some WO memory, where it writes/copies the whole frame to: | |
104 | #define MP_IMGTYPE_TEMP 2 | |
105 | // I+P type, requires 2+ independent static R/W buffers | |
106 | #define MP_IMGTYPE_IP 3 | |
107 | // I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers | |
108 | #define MP_IMGTYPE_IPB 4 | |
109 | // Upper 16 bits give desired buffer number, -1 means get next available | |
110 | #define MP_IMGTYPE_NUMBERED 5 | |
111 | // Doesn't need any buffer, incomplete image (probably a first field only) | |
112 | // we need this type to be able to differentiate between half frames and | |
113 | // all other cases | |
114 | #define MP_IMGTYPE_INCOMPLETE 6 | |
115 | ||
116 | #define MP_MAX_PLANES 4 | |
117 | ||
118 | #define MP_IMGFIELD_ORDERED 0x01 | |
119 | #define MP_IMGFIELD_TOP_FIRST 0x02 | |
120 | #define MP_IMGFIELD_REPEAT_FIRST 0x04 | |
121 | #define MP_IMGFIELD_TOP 0x08 | |
122 | #define MP_IMGFIELD_BOTTOM 0x10 | |
123 | #define MP_IMGFIELD_INTERLACED 0x20 | |
124 | ||
125 | typedef struct mp_image { | |
126 | unsigned int flags; | |
127 | unsigned char type; | |
128 | int number; | |
129 | unsigned char bpp; // bits/pixel. NOT depth! for RGB it will be n*8 | |
130 | unsigned int imgfmt; | |
131 | int width,height; // stored dimensions | |
132 | int x,y,w,h; // visible dimensions | |
133 | unsigned char* planes[MP_MAX_PLANES]; | |
134 | int stride[MP_MAX_PLANES]; | |
135 | char * qscale; | |
136 | int qstride; | |
137 | int pict_type; // 0->unknown, 1->I, 2->P, 3->B | |
138 | int fields; | |
139 | int qscale_type; // 0->mpeg1/4/h263, 1->mpeg2 | |
140 | int num_planes; | |
141 | /* these are only used by planar formats Y,U(Cb),V(Cr) */ | |
142 | int chroma_width; | |
143 | int chroma_height; | |
144 | int chroma_x_shift; // horizontal | |
145 | int chroma_y_shift; // vertical | |
146 | int usage_count; | |
147 | /* for private use by filter or vo driver (to store buffer id or dmpi) */ | |
148 | void* priv; | |
149 | } mp_image_t; | |
150 | ||
151 | void ff_mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt); | |
152 | mp_image_t* ff_new_mp_image(int w,int h); | |
153 | void ff_free_mp_image(mp_image_t* mpi); | |
154 | ||
155 | mp_image_t* ff_alloc_mpi(int w, int h, unsigned long int fmt); | |
156 | void ff_mp_image_alloc_planes(mp_image_t *mpi); | |
157 | void ff_copy_mpi(mp_image_t *dmpi, mp_image_t *mpi); | |
158 | ||
159 | #endif /* MPLAYER_MP_IMAGE_H */ |