v1.0.0
Stefan Schuermans authored 13 years ago
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1) /*
2) * FlexiPix library
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v1.0.6
Stefan Schuermans authored 13 years ago
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3) * !version: 1.0.6! !date: 2010-12-30!
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v1.0.0
Stefan Schuermans authored 13 years ago
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4) *
5) * Copyright 2010 Stefan Schuermans <stefan schuermans info>
6) *
7) * This program is free software: you can redistribute it and/or modify
8) * it under the terms of the GNU General Public License as published by
9) * the Free Software Foundation, version 3 of the License.
10) *
11) *
12) * This program is distributed in the hope that it will be useful,
13) * but WITHOUT ANY WARRANTY; without even the implied warranty of
14) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15) * GNU General Public License for more details.
16) *
17) * You should have received a copy of the GNU Lesser General Public License
18) * along with this program. If not, see <http://www.gnu.org/licenses/>.
19) */
20)
21) #ifndef FLP_TYPES_H
22) #define FLP_TYPES_H
23)
24) #include <flexipix/types.h>
25) #include <intern/constants.h>
26) #include <intern/net.h>
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v1.0.6
Stefan Schuermans authored 13 years ago
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27) #include <intern/thread.h>
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v1.0.0
Stefan Schuermans authored 13 years ago
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28)
29) /** mapping information
30) *
31) * values of channels are mapped according to following formula:
32) * <display value> := <base> + <factor> * <original value> ^ (1 / <gamma>)
33) */
34) typedef struct flp_mapping_s {
35) double base; /**< base constant for brightness correction */
36) double factor; /**< factor for contrast modification */
37) double gamma; /**< gamma correction factor, must be > 0.0 */
38) flp_u8_t table[256]; /**< precalculated mapping table,
39) * index: source image value
40) * value: display value */
41) } flp_mapping_t;
42)
43) /** information about a pixel */
44) typedef struct flp_pixel_s {
45) int x, y; /**< coordinates of pixel in movie (-1 if unknown yet) */
46) } flp_pixel_t;
47)
48) /** information about a distributor */
49) typedef struct flp_distri_s {
50) unsigned int distri; /**< number of this distributor */
51) unsigned int output_cnt; /**< number of outputs of this distributor */
52) unsigned int pixel_cnt; /**< number of pixels connected to every output */
53) flp_mapping_t mapping[3]; /**< mapping information for red, green
54) * and blue channel */
55) flp_pixel_t *p_pixels; /**< array with information about pixels
56) * of this distributor,
57) * index = output * pixel_cnt + pixel,
58) * malloc-ed */
59) unsigned int msg_len; /**< size of a message to send to distributor */
60) flp_u8_t *p_msg_buf; /**< buffer for current message to send
61) * to distributor,
62) * malloc-ed */
63) } flp_distri_t;
64)
65) /** information about a display */
66) struct flp_display_s {
67) struct sockaddr_in bind_addr; /**< local network address to bind to */
68) flp_pixel_t size; /**< size of display */
69) flp_distri_t *distri_ptrs
70) [FLP_DISTRI_MAX_CNT]; /**< information about distributors,
71) * distributors are malloc-ed */
72) unsigned int distri_cnt; /**< total number of distris */
73) unsigned int output_cnt; /**< total number of outputs */
74) unsigned long pixel_cnt; /**< total number of pixels */
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v1.0.6
Stefan Schuermans authored 13 years ago
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75) flp_sock_t sock; /**< socket to send UDP packets */
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v1.0.0
Stefan Schuermans authored 13 years ago
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76) };
77)
78) /** a displayer
79) *
80) * sends pictures to a display whenever the maximum interval expired
81) */
82) struct flp_displayer_s {
83) flp_display_t *p_display; /**< display managed by this displayer */
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v1.0.6
Stefan Schuermans authored 13 years ago
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84) flp_thread_mutex_t mtx; /**< mutex to lock msg_buf of distris */
85) flp_thread_cond_t cond; /**< condition to wake up thread on new frame */
86) flp_thread_id_t tid; /**< id of output thread */
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v1.0.0