Main Page | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Class Members | File Members

recordvideo.h

Go to the documentation of this file.
00001 #ifndef RECORDVIDEO_H
00002 #define RECORDVIDEO_H
00003 
00004 #include "condition.inc"
00005 #include "file.inc"
00006 #include "mutex.inc"
00007 #include "mwindow.inc"
00008 #include "record.inc"
00009 #include "recordgui.inc"
00010 #include "thread.h"
00011 #include "videodevice.inc"
00012 
00013 // Default behavior is to read frames and flash to display.
00014 // Optionally writes to disk.
00015 
00016 class RecordVideo : public Thread
00017 {
00018 public:
00019         RecordVideo(MWindow *mwindow,
00020                 Record *record, 
00021                 RecordThread *record_thread);
00022         ~RecordVideo();
00023 
00024         void reset_parameters();
00025         void run();
00026 // Do all initialization
00027         int arm_recording();
00028 // Trigger the loop to start
00029         void start_recording();
00030         int stop_recording();
00031         int pause_recording();
00032         int resume_recording();
00033         int wait_for_completion();     // For recording to a file.
00034         int set_parameters(File *file,
00035                                                         RecordGUI *gui,
00036                                                         int buffer_size,    // number of frames to write to disk at a time
00037                                                         int realtime,
00038                                                         int frames);
00039         void write_buffer(int skip_new = 0);
00040         void start_file_thread();
00041         int unhang_thread();
00042         void rewind_file();
00043         void finish_timed();
00044         void finish_loop();
00045         void get_capture_frame();
00046         void read_buffer();
00047 
00048         MWindow *mwindow;
00049         Record *record;
00050 
00051         RecordThread *record_thread;
00052         RecordGUI *gui;
00053         int single_frame;
00054         int buffer_size;    // number of frames to write to disk at a time
00055         int64_t buffer_position;   // Position in output buffer being captured to
00056         VFrame *capture_frame;   // Output frame for preview mode
00057         Timer delayer;
00058 // result of every disk write
00059         int write_result;   
00060 // result of every frame grab
00061         int grab_result;  
00062 // Capture frame
00063         VFrame ***frame_ptr;
00064         int64_t current_sample;   // Sample in time of the start of the capture
00065         int64_t next_sample;      // Sample of next frame
00066         int64_t total_dropped_frames;  // Total number of frames behind
00067         int64_t dropped_frames;  // Number of frames currently behind
00068         int64_t last_dropped_frames;  // Number of dropped frames during the last calculation
00069         int64_t delay;
00070 // Frame start of this recording in the file
00071         int64_t record_start;     
00072 // Want one thread to dictate the other during shared device recording.
00073 // Done with batch
00074         int batch_done;
00075 
00076 
00077         int is_recording;
00078         int is_paused;
00079         Mutex *unhang_lock;
00080         Condition *trigger_lock;
00081 private:
00082         int cleanup_recording();
00083 };
00084 
00085 
00086 #endif

Generated on Sun Jan 8 13:38:59 2006 for Cinelerra-svn by  doxygen 1.4.4