1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
PsychToolbox3/Source/Common/Screen/PsychVideoCaptureSupport.h
PLATFORMS: This is the OS independent version.
AUTHORS:
Mario Kleiner mk mario.kleiner at tuebingen.mpg.de
HISTORY:
02/07/06 mk Wrote it.
DESCRIPTION:
Psychtoolbox functions for dealing with video capture devices.
*/
//include once
#ifndef PSYCH_IS_INCLUDED_PsychVideoCaptureSupport
#define PSYCH_IS_INCLUDED_PsychVideoCaptureSupport
// Maximum number of allowed simultaneously open capture devices. As structures are allocated
// statically, this should not be increased beyond reasonable limits. 100 is always a nice number:
#define PSYCH_MAX_CAPTUREDEVICES 100
// Unconditionally enable Quicktime Sequencegrabber capture support on OS/X and Windows:
#if PSYCH_SYSTEM != PSYCH_LINUX
#define PTBVIDEOCAPTURE_QT 1
#endif
#include "Screen.h"
typedef struct rawcapimgdata {
int w;
int h;
int depth;
void* data;
} rawcapimgdata;
// These are the generic entry points, to be called by SCREENxxxx videocapture functions and
// other parts of screen. They dispatch into API specific versions, depending on users choice
// of capture system and support by OS:
void PsychVideoCaptureInit(void);
psych_bool PsychOpenVideoCaptureDevice(int engineId, PsychWindowRecordType *win, int deviceIndex, int* capturehandle, double* capturerectangle, int reqdepth, int num_dmabuffers, int allow_lowperf_fallback, char* targetmoviefilename, unsigned int recordingflags);
void PsychCloseVideoCaptureDevice(int capturehandle);
int PsychGetTextureFromCapture(PsychWindowRecordType *win, int capturehandle, int checkForImage, double timeindex, PsychWindowRecordType *out_texture, double *presentation_timestamp, double* summed_intensity, rawcapimgdata* outrawbuffer);
int PsychVideoCaptureRate(int capturehandle, double capturerate, int dropframes, double* startattime);
double PsychVideoCaptureSetParameter(int capturehandle, const char* pname, double value);
void PsychEnumerateVideoSources(int engineId, int outPos);
void PsychExitVideoCapture(void);
// These are the prototypes for Quicktime/SequenceGrabber versions, supported on OS/X and Windows:
#ifdef PTBVIDEOCAPTURE_QT
void PsychQTVideoCaptureInit(void);
psych_bool PsychQTOpenVideoCaptureDevice(int slotid, PsychWindowRecordType *win, int deviceIndex, int* capturehandle, double* capturerectangle, int reqdepth, int num_dmabuffers, int allow_lowperf_fallback, char* targetmoviefilename, unsigned int recordingflags);
void PsychQTCloseVideoCaptureDevice(int capturehandle);
int PsychQTGetTextureFromCapture(PsychWindowRecordType *win, int capturehandle, int checkForImage, double timeindex, PsychWindowRecordType *out_texture, double *presentation_timestamp, double* summed_intensity, rawcapimgdata* outrawbuffer);
int PsychQTVideoCaptureRate(int capturehandle, double capturerate, int dropframes, double* startattime);
double PsychQTVideoCaptureSetParameter(int capturehandle, const char* pname, double value);
void PsychQTEnumerateVideoSources(int outPos);
void PsychQTExitVideoCapture(void);
#endif
// These are the prototypes for LibDC1394 V2 versions, supported on GNU/Linx, OS/X and in a experimental version on MS-Windows:
#ifdef PTBVIDEOCAPTURE_LIBDC
void PsychDCVideoCaptureInit(void);
psych_bool PsychDCOpenVideoCaptureDevice(int slotid, PsychWindowRecordType *win, int deviceIndex, int* capturehandle, double* capturerectangle, int reqdepth, int num_dmabuffers, int allow_lowperf_fallback, char* targetmoviefilename, unsigned int recordingflags);
void PsychDCCloseVideoCaptureDevice(int capturehandle);
int PsychDCGetTextureFromCapture(PsychWindowRecordType *win, int capturehandle, int checkForImage, double timeindex, PsychWindowRecordType *out_texture, double *presentation_timestamp, double* summed_intensity, rawcapimgdata* outrawbuffer);
int PsychDCVideoCaptureRate(int capturehandle, double capturerate, int dropframes, double* startattime);
double PsychDCVideoCaptureSetParameter(int capturehandle, const char* pname, double value);
void PsychDCExitVideoCapture(void);
#endif
// These are the prototypes for the ARVideo capture library, supported on GNU/Linx, OS/X and MS-Windows:
#ifdef PTBVIDEOCAPTURE_ARVIDEO
void PsychARVideoCaptureInit(void);
psych_bool PsychAROpenVideoCaptureDevice(int slotid, PsychWindowRecordType *win, int deviceIndex, int* capturehandle, double* capturerectangle, int reqdepth, int num_dmabuffers, int allow_lowperf_fallback, char* targetmoviefilename, unsigned int recordingflags);
void PsychARCloseVideoCaptureDevice(int capturehandle);
int PsychARGetTextureFromCapture(PsychWindowRecordType *win, int capturehandle, int checkForImage, double timeindex, PsychWindowRecordType *out_texture, double *presentation_timestamp, double* summed_intensity, rawcapimgdata* outrawbuffer);
int PsychARVideoCaptureRate(int capturehandle, double capturerate, int dropframes, double* startattime);
double PsychARVideoCaptureSetParameter(int capturehandle, const char* pname, double value);
void PsychARExitVideoCapture(void);
#endif
// These are the prototypes for the GStreamer capture library, supported on GNU/Linx, OS/X and MS-Windows:
#ifdef PTB_USE_GSTREAMER
typedef struct PsychVideosourceRecordType {
int deviceIndex;
int classIndex;
int inputIndex;
psych_uint64 deviceURI;
unsigned int flags;
char deviceClassName[100];
char deviceSelectorProperty[100];
char deviceVideoPlugin[100];
char deviceHandle[1000];
char devicePath[1000];
char deviceName[1000];
char device[1000];
} PsychVideosourceRecordType;
void PsychGSCheckInit(const char* engineName);
void PsychGSVideoCaptureInit(void);
psych_bool PsychGSOpenVideoCaptureDevice(int slotid, PsychWindowRecordType *win, int deviceIndex, int* capturehandle, double* capturerectangle, int reqdepth, int num_dmabuffers, int allow_lowperf_fallback, char* targetmoviefilename, unsigned int recordingflags);
void PsychGSCloseVideoCaptureDevice(int capturehandle);
int PsychGSGetTextureFromCapture(PsychWindowRecordType *win, int capturehandle, int checkForImage, double timeindex, PsychWindowRecordType *out_texture, double *presentation_timestamp, double* summed_intensity, rawcapimgdata* outrawbuffer);
int PsychGSVideoCaptureRate(int capturehandle, double capturerate, int dropframes, double* startattime);
double PsychGSVideoCaptureSetParameter(int capturehandle, const char* pname, double value);
PsychVideosourceRecordType* PsychGSEnumerateVideoSources(int outPos, int deviceIndex);
void PsychGSExitVideoCapture(void);
// PsychGetCodecLaunchLineFromString() - Helper function for GStreamer based movie writing.
psych_bool PsychGetCodecLaunchLineFromString(char* codecSpec, char* launchString);
#endif
//end include once
#endif
|
