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annotate src/camera.h @ 3194:9fcb7abf3185 default tip

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Remove some gcc 4.7.2 compiler warnings
author Lenard Lindstrom <len-l@telus.net>
date Tue, 23 Apr 2013 19:53:36 -0700
parents 531a7f35798d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 pygame - Python Game Library
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3
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4 This library is free software; you can redistribute it and/or
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5 modify it under the terms of the GNU Library General Public
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6 License as published by the Free Software Foundation; either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This library is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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12 Library General Public License for more details.
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13
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14 You should have received a copy of the GNU Library General Public
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15 License along with this library; if not, write to the Free
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16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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17
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18 */
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19
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20 #include "pygame.h"
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21 #include "doc/camera_doc.h"
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22
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23 #if defined(__unix__)
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24 #include <structmember.h>
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28 #include <assert.h>
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29
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30 #include <fcntl.h> /* low-level i/o */
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31 #include <unistd.h>
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32 #include <errno.h>
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33 #include <sys/stat.h>
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34 #include <sys/types.h>
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35 #include <sys/time.h>
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36 #include <sys/mman.h>
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37 #include <sys/ioctl.h>
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38
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39 /* on freebsd there is no asm/types */
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40 #ifdef linux
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41 #include <asm/types.h> /* for videodev2.h */
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42 #endif
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43
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44 #include <linux/videodev2.h>
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45 #elif defined(__APPLE__)
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46 #include <AvailabilityMacros.h>
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47 /* We support OSX 10.6 and below. */
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48 #if __MAC_OS_X_VERSION_MAX_ALLOWED <= 1060
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49 #define PYGAME_MAC_CAMERA_OLD 1
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50 #endif
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51 #endif
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52
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53 #if defined(PYGAME_MAC_CAMERA_OLD)
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54 #include <QuickTime/QuickTime.h>
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55 #include <QuickTime/Movies.h>
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56 #include <QuickTime/ImageCompression.h>
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57 #endif
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58
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59 /* some constants used which are not defined on non-v4l machines. */
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60 #ifndef V4L2_PIX_FMT_RGB24
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61 #define V4L2_PIX_FMT_RGB24 'RGB3'
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62 #endif
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63 #ifndef V4L2_PIX_FMT_RGB444
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64 #define V4L2_PIX_FMT_RGB444 'R444'
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65 #endif
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66 #ifndef V4L2_PIX_FMT_YUYV
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67 #define V4L2_PIX_FMT_YUYV 'YUYV'
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68 #endif
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69
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70 #define CLEAR(x) memset (&(x), 0, sizeof (x))
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71 #define SAT(c) if (c & (~255)) { if (c < 0) c = 0; else c = 255; }
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72 #define SAT2(c) ((c) & (~255) ? ((c) < 0 ? 0 : 255) : (c))
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73 #define DEFAULT_WIDTH 640
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74 #define DEFAULT_HEIGHT 480
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75 #define RGB_OUT 1
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76 #define YUV_OUT 2
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77 #define HSV_OUT 4
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78 #define CAM_V4L 1 /* deprecated. the incomplete support in pygame was removed */
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79 #define CAM_V4L2 2
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80
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81 struct buffer {
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82 void * start;
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83 size_t length;
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84 };
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85
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86 #if defined(__unix__)
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87 typedef struct PyCameraObject {
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88 PyObject_HEAD
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89 char* device_name;
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90 int camera_type;
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91 unsigned long pixelformat;
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92 unsigned int color_out;
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93 struct buffer* buffers;
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94 unsigned int n_buffers;
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95 int width;
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96 int height;
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97 int size;
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98 int hflip;
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99 int vflip;
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100 int brightness;
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101 int fd;
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102 } PyCameraObject;
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103 #elif defined(PYGAME_MAC_CAMERA_OLD)
1986
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104 typedef struct PyCameraObject {
1976
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105 PyObject_HEAD
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106 char* device_name; /* unieke name of the device */
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107 OSType pixelformat;
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108 unsigned int color_out;
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109 SeqGrabComponent component; /* A type used by the Sequence Grabber API */
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110 SGChannel channel; /* Channel of the Sequence Grabber */
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111 GWorldPtr gworld; /* Pointer to the struct that holds the data of the captured image */
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112 Rect boundsRect; /* bounds of the image frame */
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113 long size; /* size of the image in our buffer to draw */
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114 int hflip;
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115 int vflip;
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116 short depth;
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117 struct buffer pixels;
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118 //struct buffer tmp_pixels /* place where the flipped image in temporarly stored if hflip or vflip is true.*/
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119 } PyCameraObject;
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120
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121 #else
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122 /* generic definition.
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123 */
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124
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125 typedef struct PyCameraObject {
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126 PyObject_HEAD
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127 char* device_name;
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128 int camera_type;
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129 unsigned long pixelformat;
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130 unsigned int color_out;
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131 struct buffer* buffers;
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132 unsigned int n_buffers;
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133 int width;
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134 int height;
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Rene Dudfield <renesd@gmail.com>
parents: 1989
diff changeset
135 int size;
ad835522ab82 added some things back to generic implementation
Rene Dudfield <renesd@gmail.com>
parents: 1989
diff changeset
136 int hflip;
ad835522ab82 added some things back to generic implementation
Rene Dudfield <renesd@gmail.com>
parents: 1989
diff changeset
137 int vflip;
ad835522ab82 added some things back to generic implementation
Rene Dudfield <renesd@gmail.com>
parents: 1989
diff changeset
138 int brightness;
ad835522ab82 added some things back to generic implementation
Rene Dudfield <renesd@gmail.com>
parents: 1989
diff changeset
139 int fd;
1976
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
140 } PyCameraObject;
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
141 #endif
1323
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
142
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
143 /* internal functions for colorspace conversion */
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
144 void colorspace (SDL_Surface *src, SDL_Surface *dst, int cspace);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
145 void rgb24_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
146 void rgb444_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
147 void rgb_to_yuv (const void* src, void* dst, int length,
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
148 unsigned long source, SDL_PixelFormat* format);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
149 void rgb_to_hsv (const void* src, void* dst, int length,
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
150 unsigned long source, SDL_PixelFormat* format);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
151 void yuyv_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
152 void yuyv_to_yuv (const void* src, void* dst, int length, SDL_PixelFormat* format);
1976
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
153 void sbggr8_to_rgb (const void* src, void* dst, int width, int height,
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
154 SDL_PixelFormat* format);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
155 void yuv420_to_rgb (const void* src, void* dst, int width, int height,
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
156 SDL_PixelFormat* format);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
157 void yuv420_to_yuv (const void* src, void* dst, int width, int height,
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
158 SDL_PixelFormat* format);
1323
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
159
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
160 #if defined(__unix__)
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
161 /* internal functions specific to v4l2 */
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
162 char** v4l2_list_cameras (int* num_devices);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
163 int v4l2_get_control (int fd, int id, int *value);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
164 int v4l2_set_control (int fd, int id, int value);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
165 PyObject* v4l2_read_raw (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
166 int v4l2_xioctl (int fd, int request, void *arg);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
167 int v4l2_process_image (PyCameraObject* self, const void *image,
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
168 unsigned int buffer_size, SDL_Surface* surf);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
169 int v4l2_query_buffer (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
170 int v4l2_read_frame (PyCameraObject* self, SDL_Surface* surf);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
171 int v4l2_stop_capturing (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
172 int v4l2_start_capturing (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
173 int v4l2_uninit_device (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
174 int v4l2_init_mmap (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
175 int v4l2_init_device (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
176 int v4l2_close_device (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
177 int v4l2_open_device (PyCameraObject* self);
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
178
3073
1c265998cf59 Disable camera_mac if OS X is above version 10.6.
Rene Dudfield <renesd@gmail.com>
parents: 3034
diff changeset
179 #elif defined(PYGAME_MAC_CAMERA_OLD)
1976
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
180 /* internal functions specific to mac */
1933
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
181 char** mac_list_cameras(int* num_devices);
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
182 int mac_open_device (PyCameraObject* self);
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
183 int mac_init_device(PyCameraObject* self);
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
184 int mac_close_device (PyCameraObject* self);
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
185 int mac_start_capturing(PyCameraObject* self);
83c5516baf2d list_cameras.m
ab3
parents: 1327
diff changeset
186 int mac_stop_capturing (PyCameraObject* self);
1976
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
187
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
188 int mac_get_control(PyCameraObject* self, int id, int* value);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
189 int mac_set_control(PyCameraObject* self, int id, int value);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
190
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
191 PyObject* mac_read_raw(PyCameraObject *self);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
192 int mac_read_frame(PyCameraObject* self, SDL_Surface* surf);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
193 int mac_camera_idle(PyCameraObject* self);
4b67c00bb2b3 camera building again, fixed a few warnings and errors. got camera.h from the git branch of Werner.
Rene Dudfield <renesd@gmail.com>
parents: 1937
diff changeset
194 int mac_copy_gworld_to_surface(PyCameraObject* self, SDL_Surface* surf);
1989
b8611a14022c moved flip_image into camera_mac since it is only used there and fails to build x platform.
Rene Dudfield <renesd@gmail.com>
parents: 1988
diff changeset
195
b8611a14022c moved flip_image into camera_mac since it is only used there and fails to build x platform.
Rene Dudfield <renesd@gmail.com>
parents: 1988
diff changeset
196 void flip_image(const void* image, void* flipped_image, int width, int height,
b8611a14022c moved flip_image into camera_mac since it is only used there and fails to build x platform.
Rene Dudfield <renesd@gmail.com>
parents: 1988
diff changeset
197 short depth, int hflip, int vflip);
b8611a14022c moved flip_image into camera_mac since it is only used there and fails to build x platform.
Rene Dudfield <renesd@gmail.com>
parents: 1988
diff changeset
198
1323
1ca45b50f8ea camera module with v4l2 support and colorspace conversion
Nirav Patel <nrp@eclecti.cc>
parents:
diff changeset
199 #endif