1 | /* |
2 | Copyright (c) 2012, Broadcom Europe Ltd |
3 | All rights reserved. |
4 | |
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the following conditions are met: |
7 | * Redistributions of source code must retain the above copyright |
8 | notice, this list of conditions and the following disclaimer. |
9 | * Redistributions in binary form must reproduce the above copyright |
10 | notice, this list of conditions and the following disclaimer in the |
11 | documentation and/or other materials provided with the distribution. |
12 | * Neither the name of the copyright holder nor the |
13 | names of its contributors may be used to endorse or promote products |
14 | derived from this software without specific prior written permission. |
15 | |
16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY |
20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | */ |
27 | |
28 | #ifndef VIDTEX_H |
29 | #define VIDTEX_H |
30 | |
31 | #ifdef __cplusplus |
32 | extern "C" { |
33 | #endif |
34 | |
35 | /** \file Video-on-texture display. |
36 | * Displays video decoded from a media URI or from camera preview onto an EGL surface. |
37 | */ |
38 | #include <EGL/egl.h> |
39 | #include "interface/vcos/vcos.h" |
40 | #include "interface/vcos/vcos_stdint.h" |
41 | #include "svp.h" |
42 | |
43 | /** Max length of a vidtex URI */ |
44 | #define VIDTEX_MAX_URI 256 |
45 | |
46 | /** Test option - create + destroy EGL image every frame */ |
47 | #define VIDTEX_OPT_IMG_PER_FRAME (1 << 0) |
48 | |
49 | /** Test option - display the Y' plane as greyscale texture */ |
50 | #define VIDTEX_OPT_Y_TEXTURE (1 << 1) |
51 | |
52 | /** Test option - display the U plane as greyscale texture */ |
53 | #define VIDTEX_OPT_U_TEXTURE (1 << 2) |
54 | |
55 | /** Test option - display the V plane as greyscale texture */ |
56 | #define VIDTEX_OPT_V_TEXTURE (1 << 3) |
57 | |
58 | /** Parameters to vidtex run. |
59 | * N.B. Types need to be bitwise copyable, and between C and C++, so don't use pointers, bool |
60 | * or anything else liable for problems. |
61 | */ |
62 | typedef struct VIDTEX_PARAMS_T |
63 | { |
64 | /** Duration of playback, in milliseconds. 0 = default, which is full duration for media and |
65 | * a limited duration for camera. |
66 | */ |
67 | uint32_t duration_ms; |
68 | |
69 | /** Media URI, or empty string to use camera preview */ |
70 | char uri[VIDTEX_MAX_URI]; |
71 | |
72 | /** Test options; bitmask of VIDTEX_OPT_XXX values */ |
73 | uint32_t opts; |
74 | } VIDTEX_PARAMS_T; |
75 | |
76 | /** Run video-on-texture. |
77 | * @param params Parameters to video-on-texture display. |
78 | * @param win Native window handle. |
79 | * @return 0 on success; -1 on failure. |
80 | * It is considered successful if the video decode completed without error and at least |
81 | * one EGL image was shown. |
82 | */ |
83 | int vidtex_run(const VIDTEX_PARAMS_T *params, EGLNativeWindowType win); |
84 | |
85 | #ifdef __cplusplus |
86 | } |
87 | #endif |
88 | |
89 | #endif |
90 | |