1 #ifndef _library__movie__hpp__included__
2 #define _library__movie__hpp__included__
7 #include "controller-data.hpp"
10 * Movie being played back or recorded
16 * Construct new empty movie.
18 * throws std::bad_alloc: Not enough memory.
20 movie() throw(std::bad_alloc
);
23 * Is the movie in readonly mode?
25 * returns: True if in read-only mode, false if in read-write mode.
27 bool readonly_mode() throw();
30 * Switches movie to read-only or read-write mode. If switching to read-write mode, the movie is truncated.
32 * parameter enable: If true, switch to read-only mode, else to read-write mode.
33 * throws std::bad_alloc: Not enough memory.
35 void readonly_mode(bool enable
) throw(std::bad_alloc
);
38 * Returns the movie rerecord count (this is not the same thing as global rerecord count).
40 * returns: The movie rerecord count
41 * throws std::bad_alloc: Not enough memory.
43 std::string
rerecord_count() throw(std::bad_alloc
);
46 * Sets the movie rerecord count (this is not the same thing as global rerecord count).
48 * parameter count: The new rerecord count
49 * throws std::bad_alloc: Not enough memory.
51 void rerecord_count(const std::string
& count
) throw(std::bad_alloc
);
56 * returns: The project ID
57 * throws std::bad_alloc: Not enough memory.
59 std::string
project_id() throw(std::bad_alloc
);
62 * brief Set project ID
64 * parameter id: New project ID.
65 * throws std::bad_alloc: Not enough memory.
67 void project_id(const std::string
& id
) throw(std::bad_alloc
);
70 * Get number of frames in movie
72 * returns: The number of frames.
74 uint64_t get_frame_count() throw();
77 * Get number of current frame in movie
79 * The first frame in movie is 1. 0 is "before first frame" value.
81 * returns: The number of frame
83 uint64_t get_current_frame() throw();
86 * Get number of lag frames so far
88 * returns: The number of lag frames.
90 uint64_t get_lag_frames() throw();
93 * This function advances to next frame in movie, discarding subframes not used. If the frame is lag frame, it is
94 * counted as lag frame and subframe entry for it is made (if in readwrite mode).
96 * throws std::bad_alloc: Not enough memory.
98 void next_frame() throw(std::bad_alloc
);
101 * Reads the data ready flag. On new frame, all data ready flags are unset. On reading control, its data ready
104 * parameter pid: Physical controller id.
105 * parameter index: Control ID.
106 * returns: The read value.
107 * throws std::logic_error: Invalid control index.
109 bool get_DRDY(unsigned port
, unsigned controller
, unsigned index
) throw(std::logic_error
);
112 * Set all data ready flags
114 void set_all_DRDY() throw();
117 * Poll a control by (port, controller, index) tuple.
119 * parameter pid: Physical controller ID.
120 * parameter index: The index of control in controller (0 to 11)
121 * returns: The read value
122 * throws std::bad_alloc: Not enough memory.
123 * throws std::logic_error: Invalid port, controller or index or before movie start.
125 short next_input(unsigned port
, unsigned controller
, unsigned index
) throw(std::bad_alloc
, std::logic_error
);
128 * Set current control values. These are read in readwrite mode.
130 * parameter controls: The new controls.
132 void set_controls(controller_frame controls
) throw();
135 * Get current control values in effect.
139 controller_frame
get_controls() throw();
142 * Loads a movie plus some other parameters. The playback pointer is positioned to start of movie and readonly
145 * parameter rerecs: Movie rerecord count.
146 * parameter project_id: Project ID of movie.
147 * parameter input: The input track.
148 * throws std::bad_alloc: Not enough memory.
149 * throws std::runtime_error: Bad movie data.
151 void load(const std::string
& rerecs
, const std::string
& project_id
, controller_frame_vector
& input
)
152 throw(std::bad_alloc
, std::runtime_error
);
155 * Saves the movie data.
157 * returns: The movie data.
158 * throws std::bad_alloc: Not enough memory.
160 controller_frame_vector
save() throw(std::bad_alloc
);
163 * This method serializes the state of movie code.
165 * Parameter proj_id: The project ID is written here.
166 * Parameter curframe: Current frame is written here.
167 * Parameter lagframes: Lag counter is written here.
168 * Parameter pcounters: Poll counters are written here.
169 * throws std::bad_alloc: Not enough memory.
171 void save_state(std::string
& proj_id
, uint64_t& curframe
, uint64_t& lagframes
,
172 std::vector
<uint32_t>& pcounters
) throw(std::bad_alloc
);
175 * Given previous serialized state from this movie, restore the state.
177 * Parameter curframe: Current frame.
178 * Parameter lagframe: Lag counter.
179 * Parameter pcounters: Poll counters.
180 * Parameter ro: If true, restore in readonly mode.
181 * Parameter old_movie: Old movie to check for compatiblity against.
182 * Parameter old_projectid: Old project ID to check against.
184 * Throws std::bad_alloc: Not enough memory.
185 * Throws std::runtime_error: Movie check failure.
187 size_t restore_state(uint64_t curframe
, uint64_t lagframe
, const std::vector
<uint32_t>& pcounters
, bool ro
,
188 controller_frame_vector
* old_movie
, const std::string
& old_projectid
) throw(std::bad_alloc
,
191 * Reset the state of movie to initial state.
193 void reset_state() throw();
195 * Get how manyth poll in the frame next poll would be?
197 * returns: Poll number.
199 unsigned next_poll_number();
201 * Get how many subframes there are in specified frame.
203 * parameter frame: The frame number.
204 * returns: Number of subframes (0 if outside movie).
206 uint64_t frame_subframes(uint64_t frame
) throw();
208 * Read controls from specified subframe of specified frame.
210 * parameter frame: The frame number.
211 * parameter subframe: Subframe within frame (first is 0).
212 * returns: The controls for subframe. If subframe is too great, reads last present subframe. If frame is outside
213 * movie, reads all released.
215 controller_frame
read_subframe(uint64_t frame
, uint64_t subframe
) throw();
219 void fast_save(uint64_t& _frame
, uint64_t& _ptr
, uint64_t& _lagc
, std::vector
<uint32_t>& counters
);
223 void fast_load(uint64_t& _frame
, uint64_t& _ptr
, uint64_t& _lagc
, std::vector
<uint32_t>& counters
);
225 * Poll flag handling.
230 virtual ~poll_flag();
234 virtual int get_pflag() = 0;
238 virtual void set_pflag(int flag
) = 0;
241 * Set the poll flag handler.
243 void set_pflag_handler(poll_flag
* handler
);
245 * Get the internal controller frame vector.
247 controller_frame_vector
& get_frame_vector() throw() { return movie_data
; }
251 void clear_caches() throw();
253 * Get sequence number (increments by 1 each time whole data is reloaded).
255 uint64_t get_seqno() throw() { return seqno
; }
259 movie
& operator=(const movie
& m
);
261 * Get pollcounter vector.
263 pollcounter_vector
& get_pollcounters() { return pollcounters
; }
265 * Get first subframe of this frame.
267 uint64_t get_current_frame_first_subframe() { return current_frame_first_subframe
; }
271 void recount_frames() { adjust_frame_count(movie_data
.count_frames() - frames_in_movie
); }
273 * Adjust frame count.
275 void adjust_frame_count(int64_t adjust
);
277 * Read specified triple at specified subframe of current frame. Only works in readonly mode.
279 int16_t read_subframe_at_index(uint32_t subframe
, unsigned port
, unsigned controller
, unsigned index
);
281 * Write specified triple at specified subframe of current frame (if possible). Only works in readonly mode.
283 void write_subframe_at_index(uint32_t subframe
, unsigned port
, unsigned controller
, unsigned index
,
288 //The poll flag handling.
289 poll_flag
* pflag_handler
;
290 //TRUE if readonly mode is active.
292 //Movie (not global!) rerecord count.
293 std::string rerecords
;
295 std::string _project_id
;
296 //The actual controller data.
297 controller_frame_vector movie_data
;
298 //Current frame + 1 (0 before next_frame() has been called.
299 uint64_t current_frame
;
300 //First subframe in current frame (movie_data.size() if no subframes have been stored).
301 uint64_t current_frame_first_subframe
;
302 //How many times has each control been polled (bit 31 is data ready bit)?
303 pollcounter_vector pollcounters
;
304 //Current state of buttons.
305 controller_frame current_controls
;
306 //Number of known lag frames.
308 //Number of frames in movie.
309 uint64_t frames_in_movie
;
311 uint64_t cached_frame
;
312 uint64_t cached_subframe
;
313 //Count present subframes in frame starting from first_subframe (returns 0 if out of movie).
314 uint32_t count_changes(uint64_t first_subframe
) throw();