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1 | // Copyright (c) 2011 FFmpegSource Project |
2 | // | |
3 | // Permission is hereby granted, free of charge, to any person obtaining a copy | |
4 | // of this software and associated documentation files (the "Software"), to deal | |
5 | // in the Software without restriction, including without limitation the rights | |
6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
7 | // copies of the Software, and to permit persons to whom the Software is | |
8 | // furnished to do so, subject to the following conditions: | |
9 | // | |
10 | // The above copyright notice and this permission notice shall be included in | |
11 | // all copies or substantial portions of the Software. | |
12 | // | |
13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
19 | // THE SOFTWARE. | |
20 | ||
21 | /* these are defines/functions that are used and were changed in the switch to 2.6 | |
22 | * and are needed to maintain full compatility with 2.5 */ | |
23 | ||
24 | enum { | |
25 | AVS_CS_YV12_25 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar | |
26 | AVS_CS_I420_25 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar | |
27 | }; | |
28 | ||
29 | AVSC_INLINE int avs_get_height_p_25(const AVS_VideoFrame * p, int plane) { | |
30 | switch (plane) | |
31 | { | |
32 | case AVS_PLANAR_U: case AVS_PLANAR_V: | |
33 | if (p->pitchUV) | |
34 | return p->height>>1; | |
35 | return 0; | |
36 | } | |
37 | return p->height;} | |
38 | ||
39 | AVSC_INLINE int avs_get_row_size_p_25(const AVS_VideoFrame * p, int plane) { | |
40 | int r; | |
41 | switch (plane) | |
42 | { | |
43 | case AVS_PLANAR_U: case AVS_PLANAR_V: | |
44 | if (p->pitchUV) | |
45 | return p->row_size>>1; | |
46 | else | |
47 | return 0; | |
48 | case AVS_PLANAR_U_ALIGNED: case AVS_PLANAR_V_ALIGNED: | |
49 | if (p->pitchUV) | |
50 | { | |
51 | r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize | |
52 | if (r < p->pitchUV) | |
53 | return r; | |
54 | return p->row_size>>1; | |
55 | } | |
56 | else | |
57 | return 0; | |
58 | case AVS_PLANAR_Y_ALIGNED: | |
59 | r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize | |
60 | if (r <= p->pitch) | |
61 | return r; | |
62 | return p->row_size; | |
63 | } | |
64 | return p->row_size; | |
65 | } | |
66 | ||
67 | AVSC_INLINE int avs_is_yv12_25(const AVS_VideoInfo * p) | |
68 | { return ((p->pixel_type & AVS_CS_YV12_25) == AVS_CS_YV12_25)||((p->pixel_type & AVS_CS_I420_25) == AVS_CS_I420_25); } |