1#[repr(C)]
4#[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
5pub struct __BindgenBitfieldUnit<Storage> {
6 storage: Storage,
7}
8impl<Storage> __BindgenBitfieldUnit<Storage> {
9 #[inline]
10 pub const fn new(storage: Storage) -> Self {
11 Self { storage }
12 }
13}
14impl<Storage> __BindgenBitfieldUnit<Storage>
15where
16 Storage: AsRef<[u8]> + AsMut<[u8]>,
17{
18 #[inline]
19 pub fn get_bit(&self, index: usize) -> bool {
20 debug_assert!(index / 8 < self.storage.as_ref().len());
21 let byte_index = index / 8;
22 let byte = self.storage.as_ref()[byte_index];
23 let bit_index = if cfg!(target_endian = "big") {
24 7 - (index % 8)
25 } else {
26 index % 8
27 };
28 let mask = 1 << bit_index;
29 byte & mask == mask
30 }
31 #[inline]
32 pub fn set_bit(&mut self, index: usize, val: bool) {
33 debug_assert!(index / 8 < self.storage.as_ref().len());
34 let byte_index = index / 8;
35 let byte = &mut self.storage.as_mut()[byte_index];
36 let bit_index = if cfg!(target_endian = "big") {
37 7 - (index % 8)
38 } else {
39 index % 8
40 };
41 let mask = 1 << bit_index;
42 if val {
43 *byte |= mask;
44 } else {
45 *byte &= !mask;
46 }
47 }
48 #[inline]
49 pub fn get(&self, bit_offset: usize, bit_width: u8) -> u64 {
50 debug_assert!(bit_width <= 64);
51 debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
52 debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
53 let mut val = 0;
54 for i in 0..(bit_width as usize) {
55 if self.get_bit(i + bit_offset) {
56 let index = if cfg!(target_endian = "big") {
57 bit_width as usize - 1 - i
58 } else {
59 i
60 };
61 val |= 1 << index;
62 }
63 }
64 val
65 }
66 #[inline]
67 pub fn set(&mut self, bit_offset: usize, bit_width: u8, val: u64) {
68 debug_assert!(bit_width <= 64);
69 debug_assert!(bit_offset / 8 < self.storage.as_ref().len());
70 debug_assert!((bit_offset + (bit_width as usize)) / 8 <= self.storage.as_ref().len());
71 for i in 0..(bit_width as usize) {
72 let mask = 1 << i;
73 let val_bit_is_set = val & mask == mask;
74 let index = if cfg!(target_endian = "big") {
75 bit_width as usize - 1 - i
76 } else {
77 i
78 };
79 self.set_bit(index + bit_offset, val_bit_is_set);
80 }
81 }
82}
83pub const LTC_H: u32 = 1;
84pub const LIBLTC_VERSION: &[u8; 6] = b"1.3.2\0";
85pub const LIBLTC_VERSION_MAJOR: u32 = 1;
86pub const LIBLTC_VERSION_MINOR: u32 = 3;
87pub const LIBLTC_VERSION_MICRO: u32 = 2;
88pub const LIBLTC_CUR: u32 = 13;
89pub const LIBLTC_REV: u32 = 0;
90pub const LIBLTC_AGE: u32 = 2;
91pub const LTC_FRAME_BIT_COUNT: u32 = 80;
92pub type wchar_t = ::std::os::raw::c_int;
93#[repr(C)]
94#[repr(align(16))]
95#[derive(Debug, Default, Copy, Clone)]
96pub struct max_align_t {
97 pub __clang_max_align_nonce1: ::std::os::raw::c_longlong,
98 pub __bindgen_padding_0: u64,
99 pub __clang_max_align_nonce2: u128,
100}
101#[test]
102fn bindgen_test_layout_max_align_t() {
103 const UNINIT: ::std::mem::MaybeUninit<max_align_t> = ::std::mem::MaybeUninit::uninit();
104 let ptr = UNINIT.as_ptr();
105 assert_eq!(
106 ::std::mem::size_of::<max_align_t>(),
107 32usize,
108 concat!("Size of: ", stringify!(max_align_t))
109 );
110 assert_eq!(
111 ::std::mem::align_of::<max_align_t>(),
112 16usize,
113 concat!("Alignment of ", stringify!(max_align_t))
114 );
115 assert_eq!(
116 unsafe { ::std::ptr::addr_of!((*ptr).__clang_max_align_nonce1) as usize - ptr as usize },
117 0usize,
118 concat!(
119 "Offset of field: ",
120 stringify!(max_align_t),
121 "::",
122 stringify!(__clang_max_align_nonce1)
123 )
124 );
125 assert_eq!(
126 unsafe { ::std::ptr::addr_of!((*ptr).__clang_max_align_nonce2) as usize - ptr as usize },
127 16usize,
128 concat!(
129 "Offset of field: ",
130 stringify!(max_align_t),
131 "::",
132 stringify!(__clang_max_align_nonce2)
133 )
134 );
135}
136#[doc = " default audio sample type: 8bit unsigned (mono)"]
137pub type ltcsnd_sample_t = ::std::os::raw::c_uchar;
138#[doc = " sample-count offset - 64bit wide"]
139pub type ltc_off_t = ::std::os::raw::c_longlong;
140#[repr(C)]
141#[repr(align(4))]
142#[derive(Debug, Default, Copy, Clone)]
143pub struct LTCFrame {
144 pub _bitfield_align_1: [u16; 0],
145 pub _bitfield_1: __BindgenBitfieldUnit<[u8; 10usize]>,
146 pub __bindgen_padding_0: u16,
147}
148#[test]
149fn bindgen_test_layout_LTCFrame() {
150 assert_eq!(
151 ::std::mem::size_of::<LTCFrame>(),
152 12usize,
153 concat!("Size of: ", stringify!(LTCFrame))
154 );
155 assert_eq!(
156 ::std::mem::align_of::<LTCFrame>(),
157 4usize,
158 concat!("Alignment of ", stringify!(LTCFrame))
159 );
160}
161impl LTCFrame {
162 #[inline]
163 pub fn frame_units(&self) -> ::std::os::raw::c_uint {
164 unsafe { ::std::mem::transmute(self._bitfield_1.get(0usize, 4u8) as u32) }
165 }
166 #[inline]
167 pub fn set_frame_units(&mut self, val: ::std::os::raw::c_uint) {
168 unsafe {
169 let val: u32 = ::std::mem::transmute(val);
170 self._bitfield_1.set(0usize, 4u8, val as u64)
171 }
172 }
173 #[inline]
174 pub fn user1(&self) -> ::std::os::raw::c_uint {
175 unsafe { ::std::mem::transmute(self._bitfield_1.get(4usize, 4u8) as u32) }
176 }
177 #[inline]
178 pub fn set_user1(&mut self, val: ::std::os::raw::c_uint) {
179 unsafe {
180 let val: u32 = ::std::mem::transmute(val);
181 self._bitfield_1.set(4usize, 4u8, val as u64)
182 }
183 }
184 #[inline]
185 pub fn frame_tens(&self) -> ::std::os::raw::c_uint {
186 unsafe { ::std::mem::transmute(self._bitfield_1.get(8usize, 2u8) as u32) }
187 }
188 #[inline]
189 pub fn set_frame_tens(&mut self, val: ::std::os::raw::c_uint) {
190 unsafe {
191 let val: u32 = ::std::mem::transmute(val);
192 self._bitfield_1.set(8usize, 2u8, val as u64)
193 }
194 }
195 #[inline]
196 pub fn dfbit(&self) -> ::std::os::raw::c_uint {
197 unsafe { ::std::mem::transmute(self._bitfield_1.get(10usize, 1u8) as u32) }
198 }
199 #[inline]
200 pub fn set_dfbit(&mut self, val: ::std::os::raw::c_uint) {
201 unsafe {
202 let val: u32 = ::std::mem::transmute(val);
203 self._bitfield_1.set(10usize, 1u8, val as u64)
204 }
205 }
206 #[inline]
207 pub fn col_frame(&self) -> ::std::os::raw::c_uint {
208 unsafe { ::std::mem::transmute(self._bitfield_1.get(11usize, 1u8) as u32) }
209 }
210 #[inline]
211 pub fn set_col_frame(&mut self, val: ::std::os::raw::c_uint) {
212 unsafe {
213 let val: u32 = ::std::mem::transmute(val);
214 self._bitfield_1.set(11usize, 1u8, val as u64)
215 }
216 }
217 #[inline]
218 pub fn user2(&self) -> ::std::os::raw::c_uint {
219 unsafe { ::std::mem::transmute(self._bitfield_1.get(12usize, 4u8) as u32) }
220 }
221 #[inline]
222 pub fn set_user2(&mut self, val: ::std::os::raw::c_uint) {
223 unsafe {
224 let val: u32 = ::std::mem::transmute(val);
225 self._bitfield_1.set(12usize, 4u8, val as u64)
226 }
227 }
228 #[inline]
229 pub fn secs_units(&self) -> ::std::os::raw::c_uint {
230 unsafe { ::std::mem::transmute(self._bitfield_1.get(16usize, 4u8) as u32) }
231 }
232 #[inline]
233 pub fn set_secs_units(&mut self, val: ::std::os::raw::c_uint) {
234 unsafe {
235 let val: u32 = ::std::mem::transmute(val);
236 self._bitfield_1.set(16usize, 4u8, val as u64)
237 }
238 }
239 #[inline]
240 pub fn user3(&self) -> ::std::os::raw::c_uint {
241 unsafe { ::std::mem::transmute(self._bitfield_1.get(20usize, 4u8) as u32) }
242 }
243 #[inline]
244 pub fn set_user3(&mut self, val: ::std::os::raw::c_uint) {
245 unsafe {
246 let val: u32 = ::std::mem::transmute(val);
247 self._bitfield_1.set(20usize, 4u8, val as u64)
248 }
249 }
250 #[inline]
251 pub fn secs_tens(&self) -> ::std::os::raw::c_uint {
252 unsafe { ::std::mem::transmute(self._bitfield_1.get(24usize, 3u8) as u32) }
253 }
254 #[inline]
255 pub fn set_secs_tens(&mut self, val: ::std::os::raw::c_uint) {
256 unsafe {
257 let val: u32 = ::std::mem::transmute(val);
258 self._bitfield_1.set(24usize, 3u8, val as u64)
259 }
260 }
261 #[inline]
262 pub fn biphase_mark_phase_correction(&self) -> ::std::os::raw::c_uint {
263 unsafe { ::std::mem::transmute(self._bitfield_1.get(27usize, 1u8) as u32) }
264 }
265 #[inline]
266 pub fn set_biphase_mark_phase_correction(&mut self, val: ::std::os::raw::c_uint) {
267 unsafe {
268 let val: u32 = ::std::mem::transmute(val);
269 self._bitfield_1.set(27usize, 1u8, val as u64)
270 }
271 }
272 #[inline]
273 pub fn user4(&self) -> ::std::os::raw::c_uint {
274 unsafe { ::std::mem::transmute(self._bitfield_1.get(28usize, 4u8) as u32) }
275 }
276 #[inline]
277 pub fn set_user4(&mut self, val: ::std::os::raw::c_uint) {
278 unsafe {
279 let val: u32 = ::std::mem::transmute(val);
280 self._bitfield_1.set(28usize, 4u8, val as u64)
281 }
282 }
283 #[inline]
284 pub fn mins_units(&self) -> ::std::os::raw::c_uint {
285 unsafe { ::std::mem::transmute(self._bitfield_1.get(32usize, 4u8) as u32) }
286 }
287 #[inline]
288 pub fn set_mins_units(&mut self, val: ::std::os::raw::c_uint) {
289 unsafe {
290 let val: u32 = ::std::mem::transmute(val);
291 self._bitfield_1.set(32usize, 4u8, val as u64)
292 }
293 }
294 #[inline]
295 pub fn user5(&self) -> ::std::os::raw::c_uint {
296 unsafe { ::std::mem::transmute(self._bitfield_1.get(36usize, 4u8) as u32) }
297 }
298 #[inline]
299 pub fn set_user5(&mut self, val: ::std::os::raw::c_uint) {
300 unsafe {
301 let val: u32 = ::std::mem::transmute(val);
302 self._bitfield_1.set(36usize, 4u8, val as u64)
303 }
304 }
305 #[inline]
306 pub fn mins_tens(&self) -> ::std::os::raw::c_uint {
307 unsafe { ::std::mem::transmute(self._bitfield_1.get(40usize, 3u8) as u32) }
308 }
309 #[inline]
310 pub fn set_mins_tens(&mut self, val: ::std::os::raw::c_uint) {
311 unsafe {
312 let val: u32 = ::std::mem::transmute(val);
313 self._bitfield_1.set(40usize, 3u8, val as u64)
314 }
315 }
316 #[inline]
317 pub fn binary_group_flag_bit0(&self) -> ::std::os::raw::c_uint {
318 unsafe { ::std::mem::transmute(self._bitfield_1.get(43usize, 1u8) as u32) }
319 }
320 #[inline]
321 pub fn set_binary_group_flag_bit0(&mut self, val: ::std::os::raw::c_uint) {
322 unsafe {
323 let val: u32 = ::std::mem::transmute(val);
324 self._bitfield_1.set(43usize, 1u8, val as u64)
325 }
326 }
327 #[inline]
328 pub fn user6(&self) -> ::std::os::raw::c_uint {
329 unsafe { ::std::mem::transmute(self._bitfield_1.get(44usize, 4u8) as u32) }
330 }
331 #[inline]
332 pub fn set_user6(&mut self, val: ::std::os::raw::c_uint) {
333 unsafe {
334 let val: u32 = ::std::mem::transmute(val);
335 self._bitfield_1.set(44usize, 4u8, val as u64)
336 }
337 }
338 #[inline]
339 pub fn hours_units(&self) -> ::std::os::raw::c_uint {
340 unsafe { ::std::mem::transmute(self._bitfield_1.get(48usize, 4u8) as u32) }
341 }
342 #[inline]
343 pub fn set_hours_units(&mut self, val: ::std::os::raw::c_uint) {
344 unsafe {
345 let val: u32 = ::std::mem::transmute(val);
346 self._bitfield_1.set(48usize, 4u8, val as u64)
347 }
348 }
349 #[inline]
350 pub fn user7(&self) -> ::std::os::raw::c_uint {
351 unsafe { ::std::mem::transmute(self._bitfield_1.get(52usize, 4u8) as u32) }
352 }
353 #[inline]
354 pub fn set_user7(&mut self, val: ::std::os::raw::c_uint) {
355 unsafe {
356 let val: u32 = ::std::mem::transmute(val);
357 self._bitfield_1.set(52usize, 4u8, val as u64)
358 }
359 }
360 #[inline]
361 pub fn hours_tens(&self) -> ::std::os::raw::c_uint {
362 unsafe { ::std::mem::transmute(self._bitfield_1.get(56usize, 2u8) as u32) }
363 }
364 #[inline]
365 pub fn set_hours_tens(&mut self, val: ::std::os::raw::c_uint) {
366 unsafe {
367 let val: u32 = ::std::mem::transmute(val);
368 self._bitfield_1.set(56usize, 2u8, val as u64)
369 }
370 }
371 #[inline]
372 pub fn binary_group_flag_bit1(&self) -> ::std::os::raw::c_uint {
373 unsafe { ::std::mem::transmute(self._bitfield_1.get(58usize, 1u8) as u32) }
374 }
375 #[inline]
376 pub fn set_binary_group_flag_bit1(&mut self, val: ::std::os::raw::c_uint) {
377 unsafe {
378 let val: u32 = ::std::mem::transmute(val);
379 self._bitfield_1.set(58usize, 1u8, val as u64)
380 }
381 }
382 #[inline]
383 pub fn binary_group_flag_bit2(&self) -> ::std::os::raw::c_uint {
384 unsafe { ::std::mem::transmute(self._bitfield_1.get(59usize, 1u8) as u32) }
385 }
386 #[inline]
387 pub fn set_binary_group_flag_bit2(&mut self, val: ::std::os::raw::c_uint) {
388 unsafe {
389 let val: u32 = ::std::mem::transmute(val);
390 self._bitfield_1.set(59usize, 1u8, val as u64)
391 }
392 }
393 #[inline]
394 pub fn user8(&self) -> ::std::os::raw::c_uint {
395 unsafe { ::std::mem::transmute(self._bitfield_1.get(60usize, 4u8) as u32) }
396 }
397 #[inline]
398 pub fn set_user8(&mut self, val: ::std::os::raw::c_uint) {
399 unsafe {
400 let val: u32 = ::std::mem::transmute(val);
401 self._bitfield_1.set(60usize, 4u8, val as u64)
402 }
403 }
404 #[inline]
405 pub fn sync_word(&self) -> ::std::os::raw::c_uint {
406 unsafe { ::std::mem::transmute(self._bitfield_1.get(64usize, 16u8) as u32) }
407 }
408 #[inline]
409 pub fn set_sync_word(&mut self, val: ::std::os::raw::c_uint) {
410 unsafe {
411 let val: u32 = ::std::mem::transmute(val);
412 self._bitfield_1.set(64usize, 16u8, val as u64)
413 }
414 }
415 #[inline]
416 pub fn new_bitfield_1(
417 frame_units: ::std::os::raw::c_uint,
418 user1: ::std::os::raw::c_uint,
419 frame_tens: ::std::os::raw::c_uint,
420 dfbit: ::std::os::raw::c_uint,
421 col_frame: ::std::os::raw::c_uint,
422 user2: ::std::os::raw::c_uint,
423 secs_units: ::std::os::raw::c_uint,
424 user3: ::std::os::raw::c_uint,
425 secs_tens: ::std::os::raw::c_uint,
426 biphase_mark_phase_correction: ::std::os::raw::c_uint,
427 user4: ::std::os::raw::c_uint,
428 mins_units: ::std::os::raw::c_uint,
429 user5: ::std::os::raw::c_uint,
430 mins_tens: ::std::os::raw::c_uint,
431 binary_group_flag_bit0: ::std::os::raw::c_uint,
432 user6: ::std::os::raw::c_uint,
433 hours_units: ::std::os::raw::c_uint,
434 user7: ::std::os::raw::c_uint,
435 hours_tens: ::std::os::raw::c_uint,
436 binary_group_flag_bit1: ::std::os::raw::c_uint,
437 binary_group_flag_bit2: ::std::os::raw::c_uint,
438 user8: ::std::os::raw::c_uint,
439 sync_word: ::std::os::raw::c_uint,
440 ) -> __BindgenBitfieldUnit<[u8; 10usize]> {
441 let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 10usize]> = Default::default();
442 __bindgen_bitfield_unit.set(0usize, 4u8, {
443 let frame_units: u32 = unsafe { ::std::mem::transmute(frame_units) };
444 frame_units as u64
445 });
446 __bindgen_bitfield_unit.set(4usize, 4u8, {
447 let user1: u32 = unsafe { ::std::mem::transmute(user1) };
448 user1 as u64
449 });
450 __bindgen_bitfield_unit.set(8usize, 2u8, {
451 let frame_tens: u32 = unsafe { ::std::mem::transmute(frame_tens) };
452 frame_tens as u64
453 });
454 __bindgen_bitfield_unit.set(10usize, 1u8, {
455 let dfbit: u32 = unsafe { ::std::mem::transmute(dfbit) };
456 dfbit as u64
457 });
458 __bindgen_bitfield_unit.set(11usize, 1u8, {
459 let col_frame: u32 = unsafe { ::std::mem::transmute(col_frame) };
460 col_frame as u64
461 });
462 __bindgen_bitfield_unit.set(12usize, 4u8, {
463 let user2: u32 = unsafe { ::std::mem::transmute(user2) };
464 user2 as u64
465 });
466 __bindgen_bitfield_unit.set(16usize, 4u8, {
467 let secs_units: u32 = unsafe { ::std::mem::transmute(secs_units) };
468 secs_units as u64
469 });
470 __bindgen_bitfield_unit.set(20usize, 4u8, {
471 let user3: u32 = unsafe { ::std::mem::transmute(user3) };
472 user3 as u64
473 });
474 __bindgen_bitfield_unit.set(24usize, 3u8, {
475 let secs_tens: u32 = unsafe { ::std::mem::transmute(secs_tens) };
476 secs_tens as u64
477 });
478 __bindgen_bitfield_unit.set(27usize, 1u8, {
479 let biphase_mark_phase_correction: u32 =
480 unsafe { ::std::mem::transmute(biphase_mark_phase_correction) };
481 biphase_mark_phase_correction as u64
482 });
483 __bindgen_bitfield_unit.set(28usize, 4u8, {
484 let user4: u32 = unsafe { ::std::mem::transmute(user4) };
485 user4 as u64
486 });
487 __bindgen_bitfield_unit.set(32usize, 4u8, {
488 let mins_units: u32 = unsafe { ::std::mem::transmute(mins_units) };
489 mins_units as u64
490 });
491 __bindgen_bitfield_unit.set(36usize, 4u8, {
492 let user5: u32 = unsafe { ::std::mem::transmute(user5) };
493 user5 as u64
494 });
495 __bindgen_bitfield_unit.set(40usize, 3u8, {
496 let mins_tens: u32 = unsafe { ::std::mem::transmute(mins_tens) };
497 mins_tens as u64
498 });
499 __bindgen_bitfield_unit.set(43usize, 1u8, {
500 let binary_group_flag_bit0: u32 =
501 unsafe { ::std::mem::transmute(binary_group_flag_bit0) };
502 binary_group_flag_bit0 as u64
503 });
504 __bindgen_bitfield_unit.set(44usize, 4u8, {
505 let user6: u32 = unsafe { ::std::mem::transmute(user6) };
506 user6 as u64
507 });
508 __bindgen_bitfield_unit.set(48usize, 4u8, {
509 let hours_units: u32 = unsafe { ::std::mem::transmute(hours_units) };
510 hours_units as u64
511 });
512 __bindgen_bitfield_unit.set(52usize, 4u8, {
513 let user7: u32 = unsafe { ::std::mem::transmute(user7) };
514 user7 as u64
515 });
516 __bindgen_bitfield_unit.set(56usize, 2u8, {
517 let hours_tens: u32 = unsafe { ::std::mem::transmute(hours_tens) };
518 hours_tens as u64
519 });
520 __bindgen_bitfield_unit.set(58usize, 1u8, {
521 let binary_group_flag_bit1: u32 =
522 unsafe { ::std::mem::transmute(binary_group_flag_bit1) };
523 binary_group_flag_bit1 as u64
524 });
525 __bindgen_bitfield_unit.set(59usize, 1u8, {
526 let binary_group_flag_bit2: u32 =
527 unsafe { ::std::mem::transmute(binary_group_flag_bit2) };
528 binary_group_flag_bit2 as u64
529 });
530 __bindgen_bitfield_unit.set(60usize, 4u8, {
531 let user8: u32 = unsafe { ::std::mem::transmute(user8) };
532 user8 as u64
533 });
534 __bindgen_bitfield_unit.set(64usize, 16u8, {
535 let sync_word: u32 = unsafe { ::std::mem::transmute(sync_word) };
536 sync_word as u64
537 });
538 __bindgen_bitfield_unit
539 }
540}
541#[doc = "< 30fps"]
542pub const LTC_TV_STANDARD_LTC_TV_525_60: LTC_TV_STANDARD = 0;
543#[doc = "< 25fps"]
544pub const LTC_TV_STANDARD_LTC_TV_625_50: LTC_TV_STANDARD = 1;
545#[doc = "< 30fps"]
546pub const LTC_TV_STANDARD_LTC_TV_1125_60: LTC_TV_STANDARD = 2;
547#[doc = "< 24fps"]
548pub const LTC_TV_STANDARD_LTC_TV_FILM_24: LTC_TV_STANDARD = 3;
549#[doc = " the standard defines the assignment of the binary-group-flag bits\n basically only 25fps is different, but other standards defined in\n the SMPTE spec have been included for completeness."]
550pub type LTC_TV_STANDARD = ::std::os::raw::c_uint;
551#[doc = "< LTCFrame <> SMPTETimecode converter and LTCFrame increment/decrement use date, also set BGF2 to '1' when encoder is initialized or re-initialized (unless LTC_BGF_DONT_TOUCH is given)"]
552pub const LTC_BG_FLAGS_LTC_USE_DATE: LTC_BG_FLAGS = 1;
553#[doc = "< the Timecode is wall-clock aka freerun. This also sets BGF1 (unless LTC_BGF_DONT_TOUCH is given)"]
554pub const LTC_BG_FLAGS_LTC_TC_CLOCK: LTC_BG_FLAGS = 2;
555#[doc = "< encoder init or re-init does not touch the BGF bits (initial values after initialization is zero)"]
556pub const LTC_BG_FLAGS_LTC_BGF_DONT_TOUCH: LTC_BG_FLAGS = 4;
557#[doc = "< parity bit is left untouched when setting or in/decrementing the encoder frame-number"]
558pub const LTC_BG_FLAGS_LTC_NO_PARITY: LTC_BG_FLAGS = 8;
559#[doc = " encoder and LTCframe <> timecode operation flags"]
560pub type LTC_BG_FLAGS = ::std::os::raw::c_uint;
561#[doc = " Extended LTC frame - includes audio-sample position offsets, volume, etc\n\n Note: For TV systems, the sample in the LTC audio data stream where the LTC Frame starts is not necessarily at the same time\n as the video-frame which is described by the LTC Frame.\n\n \\ref off_start denotes the time of the first transition of bit 0 in the LTC frame.\n\n For 525/60 Television systems, the first transition shall occur at the beginning of line 5 of the frame with which it is\n associated. The tolerance is ± 1.5 lines.\n\n For 625/50 systems, the first transition shall occur at the beginning of line 2 ± 1.5 lines of the frame with which it is associated.\n\n Only for 1125/60 systems, the first transition occurs exactly at the vertical sync timing reference of the frame. ± 1 line.\n"]
562#[repr(C)]
563#[derive(Debug, Copy, Clone)]
564pub struct LTCFrameExt {
565 #[doc = "< the actual LTC frame. see \\ref LTCFrame"]
566 pub ltc: LTCFrame,
567 #[doc = "< \\anchor off_start the approximate sample in the stream corresponding to the start of the LTC frame."]
568 pub off_start: ltc_off_t,
569 #[doc = "< \\anchor off_end the sample in the stream corresponding to the end of the LTC frame."]
570 pub off_end: ltc_off_t,
571 #[doc = "< if non-zero, a reverse played LTC frame was detected. Since the frame was reversed, it started at off_end and finishes as off_start (off_end > off_start). (Note: in reverse playback the (reversed) sync-word of the next/previous frame is detected, this offset is corrected)."]
572 pub reverse: ::std::os::raw::c_int,
573 #[doc = "< detailed timing info: phase of the LTC signal; the time between each bit in the LTC-frame in audio-frames. Summing all 80 values in the array will yield audio-frames/LTC-frame = (\\ref off_end - \\ref off_start + 1)."]
574 pub biphase_tics: [f32; 80usize],
575 #[doc = "< the minimum input sample signal for this frame (0..255)"]
576 pub sample_min: ltcsnd_sample_t,
577 #[doc = "< the maximum input sample signal for this frame (0..255)"]
578 pub sample_max: ltcsnd_sample_t,
579 #[doc = "< the volume of the input signal in dbFS"]
580 pub volume: f64,
581}
582#[test]
583fn bindgen_test_layout_LTCFrameExt() {
584 const UNINIT: ::std::mem::MaybeUninit<LTCFrameExt> = ::std::mem::MaybeUninit::uninit();
585 let ptr = UNINIT.as_ptr();
586 assert_eq!(
587 ::std::mem::size_of::<LTCFrameExt>(),
588 368usize,
589 concat!("Size of: ", stringify!(LTCFrameExt))
590 );
591 assert_eq!(
592 ::std::mem::align_of::<LTCFrameExt>(),
593 8usize,
594 concat!("Alignment of ", stringify!(LTCFrameExt))
595 );
596 assert_eq!(
597 unsafe { ::std::ptr::addr_of!((*ptr).ltc) as usize - ptr as usize },
598 0usize,
599 concat!(
600 "Offset of field: ",
601 stringify!(LTCFrameExt),
602 "::",
603 stringify!(ltc)
604 )
605 );
606 assert_eq!(
607 unsafe { ::std::ptr::addr_of!((*ptr).off_start) as usize - ptr as usize },
608 16usize,
609 concat!(
610 "Offset of field: ",
611 stringify!(LTCFrameExt),
612 "::",
613 stringify!(off_start)
614 )
615 );
616 assert_eq!(
617 unsafe { ::std::ptr::addr_of!((*ptr).off_end) as usize - ptr as usize },
618 24usize,
619 concat!(
620 "Offset of field: ",
621 stringify!(LTCFrameExt),
622 "::",
623 stringify!(off_end)
624 )
625 );
626 assert_eq!(
627 unsafe { ::std::ptr::addr_of!((*ptr).reverse) as usize - ptr as usize },
628 32usize,
629 concat!(
630 "Offset of field: ",
631 stringify!(LTCFrameExt),
632 "::",
633 stringify!(reverse)
634 )
635 );
636 assert_eq!(
637 unsafe { ::std::ptr::addr_of!((*ptr).biphase_tics) as usize - ptr as usize },
638 36usize,
639 concat!(
640 "Offset of field: ",
641 stringify!(LTCFrameExt),
642 "::",
643 stringify!(biphase_tics)
644 )
645 );
646 assert_eq!(
647 unsafe { ::std::ptr::addr_of!((*ptr).sample_min) as usize - ptr as usize },
648 356usize,
649 concat!(
650 "Offset of field: ",
651 stringify!(LTCFrameExt),
652 "::",
653 stringify!(sample_min)
654 )
655 );
656 assert_eq!(
657 unsafe { ::std::ptr::addr_of!((*ptr).sample_max) as usize - ptr as usize },
658 357usize,
659 concat!(
660 "Offset of field: ",
661 stringify!(LTCFrameExt),
662 "::",
663 stringify!(sample_max)
664 )
665 );
666 assert_eq!(
667 unsafe { ::std::ptr::addr_of!((*ptr).volume) as usize - ptr as usize },
668 360usize,
669 concat!(
670 "Offset of field: ",
671 stringify!(LTCFrameExt),
672 "::",
673 stringify!(volume)
674 )
675 );
676}
677impl Default for LTCFrameExt {
678 fn default() -> Self {
679 let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
680 unsafe {
681 ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
682 s.assume_init()
683 }
684 }
685}
686#[doc = " Human readable time representation, decimal values."]
687#[repr(C)]
688#[derive(Debug, Default, Copy, Clone)]
689pub struct SMPTETimecode {
690 #[doc = "< the timezone 6bytes: \"+HHMM\" textual representation"]
691 pub timezone: [::std::os::raw::c_char; 6usize],
692 #[doc = "< LTC-date uses 2-digit year 00.99"]
693 pub years: ::std::os::raw::c_uchar,
694 #[doc = "< valid months are 1..12"]
695 pub months: ::std::os::raw::c_uchar,
696 #[doc = "< day of month 1..31"]
697 pub days: ::std::os::raw::c_uchar,
698 #[doc = "< hour 0..23"]
699 pub hours: ::std::os::raw::c_uchar,
700 #[doc = "< minute 0..60"]
701 pub mins: ::std::os::raw::c_uchar,
702 #[doc = "< second 0..60"]
703 pub secs: ::std::os::raw::c_uchar,
704 #[doc = "< sub-second frame 0..(FPS - 1)"]
705 pub frame: ::std::os::raw::c_uchar,
706}
707#[test]
708fn bindgen_test_layout_SMPTETimecode() {
709 const UNINIT: ::std::mem::MaybeUninit<SMPTETimecode> = ::std::mem::MaybeUninit::uninit();
710 let ptr = UNINIT.as_ptr();
711 assert_eq!(
712 ::std::mem::size_of::<SMPTETimecode>(),
713 13usize,
714 concat!("Size of: ", stringify!(SMPTETimecode))
715 );
716 assert_eq!(
717 ::std::mem::align_of::<SMPTETimecode>(),
718 1usize,
719 concat!("Alignment of ", stringify!(SMPTETimecode))
720 );
721 assert_eq!(
722 unsafe { ::std::ptr::addr_of!((*ptr).timezone) as usize - ptr as usize },
723 0usize,
724 concat!(
725 "Offset of field: ",
726 stringify!(SMPTETimecode),
727 "::",
728 stringify!(timezone)
729 )
730 );
731 assert_eq!(
732 unsafe { ::std::ptr::addr_of!((*ptr).years) as usize - ptr as usize },
733 6usize,
734 concat!(
735 "Offset of field: ",
736 stringify!(SMPTETimecode),
737 "::",
738 stringify!(years)
739 )
740 );
741 assert_eq!(
742 unsafe { ::std::ptr::addr_of!((*ptr).months) as usize - ptr as usize },
743 7usize,
744 concat!(
745 "Offset of field: ",
746 stringify!(SMPTETimecode),
747 "::",
748 stringify!(months)
749 )
750 );
751 assert_eq!(
752 unsafe { ::std::ptr::addr_of!((*ptr).days) as usize - ptr as usize },
753 8usize,
754 concat!(
755 "Offset of field: ",
756 stringify!(SMPTETimecode),
757 "::",
758 stringify!(days)
759 )
760 );
761 assert_eq!(
762 unsafe { ::std::ptr::addr_of!((*ptr).hours) as usize - ptr as usize },
763 9usize,
764 concat!(
765 "Offset of field: ",
766 stringify!(SMPTETimecode),
767 "::",
768 stringify!(hours)
769 )
770 );
771 assert_eq!(
772 unsafe { ::std::ptr::addr_of!((*ptr).mins) as usize - ptr as usize },
773 10usize,
774 concat!(
775 "Offset of field: ",
776 stringify!(SMPTETimecode),
777 "::",
778 stringify!(mins)
779 )
780 );
781 assert_eq!(
782 unsafe { ::std::ptr::addr_of!((*ptr).secs) as usize - ptr as usize },
783 11usize,
784 concat!(
785 "Offset of field: ",
786 stringify!(SMPTETimecode),
787 "::",
788 stringify!(secs)
789 )
790 );
791 assert_eq!(
792 unsafe { ::std::ptr::addr_of!((*ptr).frame) as usize - ptr as usize },
793 12usize,
794 concat!(
795 "Offset of field: ",
796 stringify!(SMPTETimecode),
797 "::",
798 stringify!(frame)
799 )
800 );
801}
802#[repr(C)]
803#[derive(Debug, Copy, Clone)]
804pub struct LTCDecoder {
805 _unused: [u8; 0],
806}
807#[repr(C)]
808#[derive(Debug, Copy, Clone)]
809pub struct LTCEncoder {
810 _unused: [u8; 0],
811}
812extern "C" {
813 #[doc = " Convert binary LTCFrame into SMPTETimecode struct\n\n @param stime output\n @param frame input\n @param flags binary combination of \\ref LTC_BG_FLAGS - here only LTC_USE_DATE is relevant.\n if LTC_USE_DATE is set, the user-fields in LTCFrame will be parsed into the date variable of SMPTETimecode.\n otherwise the date information in the SMPTETimecode is set to zero."]
814 pub fn ltc_frame_to_time(
815 stime: *mut SMPTETimecode,
816 frame: *mut LTCFrame,
817 flags: ::std::os::raw::c_int,
818 );
819}
820extern "C" {
821 #[doc = " Translate SMPTETimecode struct into its binary LTC representation\n and set the LTC frame's parity bit accordingly (see \\ref ltc_frame_set_parity)\n\n @param frame output - the frame to be set\n @param stime input - timecode input\n @param standard the TV standard to use for parity bit assignment\n @param flags binary combination of \\ref LTC_BG_FLAGS - here only LTC_USE_DATE and LTC_NO_PARITY are relevant.\n if LTC_USE_DATE is given, user-fields in LTCFrame will be set from the date in SMPTETimecode,\n otherwise the user-bits are not modified. All non-timecode fields remain untouched - except for the parity bit\n unless LTC_NO_PARITY is given."]
822 pub fn ltc_time_to_frame(
823 frame: *mut LTCFrame,
824 stime: *mut SMPTETimecode,
825 standard: LTC_TV_STANDARD,
826 flags: ::std::os::raw::c_int,
827 );
828}
829extern "C" {
830 #[doc = " Reset all values of a LTC FRAME to zero, except for the sync-word (0x3FFD) at the end.\n The sync word is set according to architecture (big/little endian).\n Also set the Frame's parity bit accordingly (see \\ref ltc_frame_set_parity)\n @param frame the LTCFrame to reset"]
831 pub fn ltc_frame_reset(frame: *mut LTCFrame);
832}
833extern "C" {
834 #[doc = " Increment the timecode by one Frame (1/framerate seconds)\n and set the Frame's parity bit accordingly (see \\ref ltc_frame_set_parity)\n\n @param frame the LTC-timecode to increment\n @param fps integer framerate (for drop-frame-timecode set frame->dfbit and round-up the fps).\n @param standard the TV standard to use for parity bit assignment\n if set to 1 the 25fps standard is enabled and LTC Frame bit 59 instead of 27 is used for the parity. It only has only has effect flag bit 4 (LTC_NO_PARITY) is cleared.\n @param flags binary combination of \\ref LTC_BG_FLAGS - here only LTC_USE_DATE and LTC_NO_PARITY are relevant.\n If the bit 0 (1) is set (1) interpret user-data as date and increment date if timecode wraps after 24h.\n (Note: leap-years are taken into account, but since the year is two-digit only, the 100,400yr rules are ignored.\n \"00\" is assumed to be year 2000 which was a leap year.)\n @return 1 if timecode was wrapped around after 23:59:59:ff, 0 otherwise"]
835 pub fn ltc_frame_increment(
836 frame: *mut LTCFrame,
837 fps: ::std::os::raw::c_int,
838 standard: LTC_TV_STANDARD,
839 flags: ::std::os::raw::c_int,
840 ) -> ::std::os::raw::c_int;
841}
842extern "C" {
843 #[doc = " Decrement the timecode by one Frame (1/framerate seconds)\n and set the Frame's parity bit accordingly (see \\ref ltc_frame_set_parity)\n\n @param frame the LTC-timecode to decrement\n @param fps integer framerate (for drop-frame-timecode set frame->dfbit and round-up the fps).\n @param standard the TV standard to use for parity bit assignment\n if set to 1 the 25fps standard is enabled and LTC Frame bit 59 instead of 27 is used for the parity. It only has only has effect flag bit 4 (LTC_NO_PARITY) is cleared.\n @param flags binary combination of \\ref LTC_BG_FLAGS - here only LTC_USE_DATE and LTC_NO_PARITY are relevant.\n if the bit 0 is set (1) interpret user-data as date and decrement date if timecode wraps at 24h.\n (Note: leap-years are taken into account, but since the year is two-digit only, the 100,400yr rules are ignored.\n \"00\" is assumed to be year 2000 which was a leap year.)\n bit 3 (8) indicates that the parity bit should not be touched\n @return 1 if timecode was wrapped around at 23:59:59:ff, 0 otherwise"]
844 pub fn ltc_frame_decrement(
845 frame: *mut LTCFrame,
846 fps: ::std::os::raw::c_int,
847 standard: LTC_TV_STANDARD,
848 flags: ::std::os::raw::c_int,
849 ) -> ::std::os::raw::c_int;
850}
851extern "C" {
852 #[doc = " Create a new LTC decoder.\n\n @param apv audio-frames per video frame. This is just used for initial settings, the speed is tracked dynamically. setting this in the right ballpark is needed to properly decode the first LTC frame in a sequence.\n @param queue_size length of the internal queue to store decoded frames\n to SMPTEDecoderWrite.\n @return decoder handle or NULL if out-of-memory"]
853 pub fn ltc_decoder_create(
854 apv: ::std::os::raw::c_int,
855 queue_size: ::std::os::raw::c_int,
856 ) -> *mut LTCDecoder;
857}
858extern "C" {
859 #[doc = " Release memory of decoder.\n @param d decoder handle"]
860 pub fn ltc_decoder_free(d: *mut LTCDecoder) -> ::std::os::raw::c_int;
861}
862extern "C" {
863 #[doc = " Feed the LTC decoder with new audio samples.\n\n Parse raw audio for LTC timestamps. Once a complete LTC frame has been\n decoded it is pushed into a queue (\\ref ltc_decoder_read)\n\n @param d decoder handle\n @param buf pointer to ltcsnd_sample_t - unsigned 8 bit mono audio data\n @param size size number of samples to parse\n @param posinfo (optional, recommended) sample-offset in the audio-stream. It is added to \\ref off_start, \\ref off_end in \\ref LTCFrameExt and should be monotonic (ie incremented by \\p size for every call to ltc_decoder_write)"]
864 pub fn ltc_decoder_write(
865 d: *mut LTCDecoder,
866 buf: *mut ltcsnd_sample_t,
867 size: usize,
868 posinfo: ltc_off_t,
869 );
870}
871extern "C" {
872 #[doc = " Wrapper around \\ref ltc_decoder_write that accepts 64-bit floating point\n audio samples. Note: internally libltc uses 8 bit only.\n\n @param d decoder handle\n @param buf pointer to audio sample data\n @param size number of samples to parse\n @param posinfo (optional, recommended) sample-offset in the audio-stream."]
873 pub fn ltc_decoder_write_double(
874 d: *mut LTCDecoder,
875 buf: *mut f64,
876 size: usize,
877 posinfo: ltc_off_t,
878 );
879}
880extern "C" {
881 #[doc = " Wrapper around \\ref ltc_decoder_write that accepts 32-bit floating point\n audio samples. Note: internally libltc uses 8 bit only.\n\n @param d decoder handle\n @param buf pointer to audio sample data\n @param size number of samples to parse\n @param posinfo (optional, recommended) sample-offset in the audio-stream."]
882 pub fn ltc_decoder_write_float(
883 d: *mut LTCDecoder,
884 buf: *mut f32,
885 size: usize,
886 posinfo: ltc_off_t,
887 );
888}
889extern "C" {
890 #[doc = " Wrapper around \\ref ltc_decoder_write that accepts signed 16 bit\n audio samples. Note: internally libltc uses 8 bit only.\n\n @param d decoder handle\n @param buf pointer to audio sample data\n @param size number of samples to parse\n @param posinfo (optional, recommended) sample-offset in the audio-stream."]
891 pub fn ltc_decoder_write_s16(
892 d: *mut LTCDecoder,
893 buf: *mut ::std::os::raw::c_short,
894 size: usize,
895 posinfo: ltc_off_t,
896 );
897}
898extern "C" {
899 #[doc = " Wrapper around \\ref ltc_decoder_write that accepts unsigned 16 bit\n audio samples. Note: internally libltc uses 8 bit only.\n\n @param d decoder handle\n @param buf pointer to audio sample data\n @param size number of samples to parse\n @param posinfo (optional, recommended) sample-offset in the audio-stream."]
900 pub fn ltc_decoder_write_u16(
901 d: *mut LTCDecoder,
902 buf: *mut ::std::os::raw::c_ushort,
903 size: usize,
904 posinfo: ltc_off_t,
905 );
906}
907extern "C" {
908 #[doc = " Decoded LTC frames are placed in a queue. This function retrieves\n a frame from the queue, and stores it at LTCFrameExt*\n\n @param d decoder handle\n @param frame the decoded LTC frame is copied there\n @return 1 on success or 0 when no frames queued."]
909 pub fn ltc_decoder_read(d: *mut LTCDecoder, frame: *mut LTCFrameExt) -> ::std::os::raw::c_int;
910}
911extern "C" {
912 #[doc = " Remove all LTC frames from the internal queue.\n @param d decoder handle"]
913 pub fn ltc_decoder_queue_flush(d: *mut LTCDecoder);
914}
915extern "C" {
916 #[doc = " Count number of LTC frames currently in the queue.\n @param d decoder handle\n @return number of queued frames"]
917 pub fn ltc_decoder_queue_length(d: *mut LTCDecoder) -> ::std::os::raw::c_int;
918}
919extern "C" {
920 #[doc = " Allocate and initialize LTC audio encoder.\n\n calls \\ref ltc_encoder_reinit internally see, see notes there.\n\n @param sample_rate audio sample rate (eg. 48000)\n @param fps video-frames per second (e.g. 25.0)\n @param standard the TV standard to use for Binary Group Flag bit position\n @param flags binary combination of \\ref LTC_BG_FLAGS"]
921 pub fn ltc_encoder_create(
922 sample_rate: f64,
923 fps: f64,
924 standard: LTC_TV_STANDARD,
925 flags: ::std::os::raw::c_int,
926 ) -> *mut LTCEncoder;
927}
928extern "C" {
929 #[doc = " Release memory of the encoder.\n @param e encoder handle"]
930 pub fn ltc_encoder_free(e: *mut LTCEncoder);
931}
932extern "C" {
933 #[doc = " Set the encoder LTC-frame to the given SMPTETimecode.\n The next call to \\ref ltc_encoder_encode_byte or\n \\ref ltc_encoder_encode_frame will encode this time to LTC audio-samples.\n\n Internally this call uses \\ref ltc_time_to_frame because\n the LTCEncoder operates on LTCframes only.\n see als \\ref ltc_encoder_set_frame\n\n @param e encoder handle\n @param t timecode to set."]
934 pub fn ltc_encoder_set_timecode(e: *mut LTCEncoder, t: *mut SMPTETimecode);
935}
936extern "C" {
937 #[doc = " Query the current encoder timecode.\n\n Note: the decoder stores its internal state in an LTC-frame,\n this function converts that LTC-Frame into SMPTETimecode on demand.\n see also \\ref ltc_encoder_get_frame.\n\n @param e encoder handle\n @param t is set to current timecode"]
938 pub fn ltc_encoder_get_timecode(e: *mut LTCEncoder, t: *mut SMPTETimecode);
939}
940extern "C" {
941 #[doc = " Set the user-bits of the frame to the given data.\n\n The data should be a 32-bits unsigned integer.\n It is written LSB first continiously int the eight user fields.\n\n @param e encoder handle\n @param data the data to write"]
942 pub fn ltc_encoder_set_user_bits(e: *mut LTCEncoder, data: ::std::os::raw::c_ulong);
943}
944extern "C" {
945 #[doc = " Get the 32-bits unsigned integer from the user-data bits.\n The data should be written LSB first in the frame\n\n @param f LTC frame data to parse"]
946 pub fn ltc_frame_get_user_bits(f: *mut LTCFrame) -> ::std::os::raw::c_ulong;
947}
948extern "C" {
949 #[doc = " Move the encoder to the next timecode frame.\n uses \\ref ltc_frame_increment() internally."]
950 pub fn ltc_encoder_inc_timecode(e: *mut LTCEncoder) -> ::std::os::raw::c_int;
951}
952extern "C" {
953 #[doc = " Move the encoder to the previous timecode frame.\n This is useful for encoding reverse LTC.\n uses \\ref ltc_frame_decrement() internally."]
954 pub fn ltc_encoder_dec_timecode(e: *mut LTCEncoder) -> ::std::os::raw::c_int;
955}
956extern "C" {
957 #[doc = " Low-level access to the internal LTCFrame data.\n\n Note: be careful to about f->dfbit, the encoder sets this [only] upon\n initialization.\n\n @param e encoder handle\n @param f LTC frame data to use"]
958 pub fn ltc_encoder_set_frame(e: *mut LTCEncoder, f: *mut LTCFrame);
959}
960extern "C" {
961 #[doc = " Low-level access to the encoder internal LTCFrame data\n\n @param e encoder handle\n @param f return LTC frame data"]
962 pub fn ltc_encoder_get_frame(e: *mut LTCEncoder, f: *mut LTCFrame);
963}
964extern "C" {
965 #[doc = " Copy the accumulated encoded audio to the given\n sample-buffer and flush the internal buffer.\n\n @param e encoder handle\n @param buf place to store the audio-samples, needs to be large enough\n to hold \\ref ltc_encoder_get_buffersize bytes\n @return the number of bytes written to the memory area\n pointed to by buf.\n\n @deprecated please use ltc_encoder_copy_buffer() instead"]
966 pub fn ltc_encoder_get_buffer(
967 e: *mut LTCEncoder,
968 buf: *mut ltcsnd_sample_t,
969 ) -> ::std::os::raw::c_int;
970}
971extern "C" {
972 #[doc = " Copy the accumulated encoded audio to the given\n sample-buffer and flush the internal buffer.\n\n @param e encoder handle\n @param buf place to store the audio-samples, needs to be large enough\n to hold \\ref ltc_encoder_get_buffersize bytes\n @return the number of bytes written to the memory area\n pointed to by buf."]
973 pub fn ltc_encoder_copy_buffer(
974 e: *mut LTCEncoder,
975 buf: *mut ltcsnd_sample_t,
976 ) -> ::std::os::raw::c_int;
977}
978extern "C" {
979 #[doc = " Retrieve a pointer to the accumulated encoded audio-data.\n\n @param e encoder handle\n @param size if set, the number of valid bytes in the buffer is stored there\n @param flush call \\ref ltc_encoder_buffer_flush - reset the buffer write-pointer\n @return pointer to encoder-buffer\n\n @deprecated please use ltc_encoder_get_bufferptr() instead"]
980 pub fn ltc_encoder_get_bufptr(
981 e: *mut LTCEncoder,
982 size: *mut ::std::os::raw::c_int,
983 flush: ::std::os::raw::c_int,
984 ) -> *mut ltcsnd_sample_t;
985}
986extern "C" {
987 #[doc = " Retrieve a pointer to the accumulated encoded audio-data.\n\n @param e encoder handle\n @param buf if set, the pointer to encoder-buffer\n @param flush call \\ref ltc_encoder_buffer_flush - reset the buffer write-pointer\n @return the number of valid bytes in the buffer"]
988 pub fn ltc_encoder_get_bufferptr(
989 e: *mut LTCEncoder,
990 buf: *mut *mut ltcsnd_sample_t,
991 flush: ::std::os::raw::c_int,
992 ) -> ::std::os::raw::c_int;
993}
994extern "C" {
995 #[doc = " reset the write-pointer of the encoder-buffer\n @param e encoder handle"]
996 pub fn ltc_encoder_buffer_flush(e: *mut LTCEncoder);
997}
998extern "C" {
999 #[doc = " Query the length of the internal buffer. It is allocated\n to hold audio-frames for exactly one LTC frame for the given\n sample-rate and frame-rate. ie. (1 + sample-rate / fps) bytes\n\n Note this returns the total size of the buffer, not the used/free\n part. See also \\ref ltc_encoder_get_bufferptr\n\n @param e encoder handle\n @return size of the allocated internal buffer."]
1000 pub fn ltc_encoder_get_buffersize(e: *mut LTCEncoder) -> usize;
1001}
1002extern "C" {
1003 #[doc = " Change the encoder settings without re-allocating any\n library internal data structure (realtime safe).\n changing the fps and or sample-rate implies a buffer flush,\n and biphase state reset.\n\n This call will fail if the internal buffer is too small\n to hold one full LTC frame. Use \\ref ltc_encoder_set_buffersize to\n prepare an internal buffer large enough to accommodate all\n sample_rate, fps combinations that you would like to re-init to.\n\n The LTC frame payload data is not modified by this call, however,\n the flag-bits of the LTC-Frame are updated:\n If fps equals to 29.97 or 30000.0/1001.0, the LTCFrame's 'dfbit' bit is set to 1\n to indicate drop-frame timecode.\n\n Unless the LTC_BGF_DONT_TOUCH flag is set the BGF1 is set or cleared depending\n on LTC_TC_CLOCK and BGF0,2 according to LTC_USE_DATE and the given standard.\n col_frame is cleared and the parity recomputed (unless LTC_NO_PARITY is given).\n\n @param e encoder handle\n @param sample_rate audio sample rate (eg. 48000)\n @param fps video-frames per second (e.g. 25.0)\n @param standard the TV standard to use for Binary Group Flag bit position\n @param flags binary combination of \\ref LTC_BG_FLAGS"]
1004 pub fn ltc_encoder_reinit(
1005 e: *mut LTCEncoder,
1006 sample_rate: f64,
1007 fps: f64,
1008 standard: LTC_TV_STANDARD,
1009 flags: ::std::os::raw::c_int,
1010 ) -> ::std::os::raw::c_int;
1011}
1012extern "C" {
1013 #[doc = " reset ecoder state.\n flushes buffer, reset biphase state\n\n @param e encoder handle"]
1014 pub fn ltc_encoder_reset(e: *mut LTCEncoder);
1015}
1016extern "C" {
1017 #[doc = " Configure a custom size for the internal buffer.\n\n This is needed if you are planning to call \\ref ltc_encoder_reinit()\n or if you want to keep more than one LTC frame's worth of data in\n the library's internal buffer.\n\n The buffer-size is (1 + sample_rate / fps) bytes.\n resizing the internal buffer will flush all existing data\n in it - alike \\ref ltc_encoder_buffer_flush.\n\n @param e encoder handle\n @param sample_rate audio sample rate (eg. 48000)\n @param fps video-frames per second (e.g. 25.0)\n @return 0 on success, -1 if allocation fails (which makes the\n encoder unusable, call \\ref ltc_encoder_free or realloc the buffer)\n\n @deprecated please use ltc_encoder_set_buffersize() instead"]
1018 pub fn ltc_encoder_set_bufsize(
1019 e: *mut LTCEncoder,
1020 sample_rate: f64,
1021 fps: f64,
1022 ) -> ::std::os::raw::c_int;
1023}
1024extern "C" {
1025 #[doc = " Configure a custom size for the internal buffer.\n\n This is needed if you are planning to call \\ref ltc_encoder_reinit()\n or if you want to keep more than one LTC frame's worth of data in\n the library's internal buffer.\n\n The buffer-size is (1 + sample_rate / fps) bytes.\n resizing the internal buffer will flush all existing data\n in it - alike \\ref ltc_encoder_buffer_flush.\n\n @param e encoder handle\n @param sample_rate audio sample rate (eg. 48000)\n @param fps video-frames per second (e.g. 25.0)\n @return 0 on success, -1 if allocation fails (which makes the\n encoder unusable, call \\ref ltc_encoder_free or realloc the buffer)"]
1026 pub fn ltc_encoder_set_buffersize(
1027 e: *mut LTCEncoder,
1028 sample_rate: f64,
1029 fps: f64,
1030 ) -> ::std::os::raw::c_int;
1031}
1032extern "C" {
1033 #[doc = " Query the volume of the generated LTC signal\n\n @param e encoder handle\n @return the volume in dB full-scale (<= 0.0)"]
1034 pub fn ltc_encoder_get_volume(e: *mut LTCEncoder) -> f64;
1035}
1036extern "C" {
1037 #[doc = " Set the volume of the generated LTC signal\n\n typically LTC is sent at 0dBu ; in EBU callibrated systems that\n corresponds to -18dBFS. - by default libltc creates -3dBFS\n\n since libltc generated 8bit audio-data, the minimum dBFS\n is about -42dB which corresponds to 1 bit.\n\n 0dB corresponds to a signal range of 127\n 1..255 with 128 at the center.\n\n @param e encoder handle\n @param dBFS the volume in dB full-scale (<= 0.0)\n @return 0 on success, -1 if the value was out of range"]
1038 pub fn ltc_encoder_set_volume(e: *mut LTCEncoder, dBFS: f64) -> ::std::os::raw::c_int;
1039}
1040extern "C" {
1041 #[doc = " Get encoder signal rise-time / signal filtering\n\n @param e encoder handle\n @return the signal rise-time in us (10^(-6) sec)"]
1042 pub fn ltc_encoder_get_filter(e: *mut LTCEncoder) -> f64;
1043}
1044extern "C" {
1045 #[doc = " Set encoder signal rise-time / signal filtering\n\n LTC signal should have a rise time of 40us +/- 10 us.\n by default the encoder honors this and low-pass filters\n the output depending on the sample-rate.\n\n If you want a perfect square wave, set 'rise_time' to 0.\n\n Note \\ref ltc_encoder_reinit resets the filter-time-constant to use\n the default 40us for the given sample-rate, overriding any value\n previously set with \\ref ltc_encoder_set_filter\n\n @param e encoder handle\n @param rise_time the signal rise-time in us (10^(-6) sec), set to 0 for perfect square wave, default 40.0"]
1046 pub fn ltc_encoder_set_filter(e: *mut LTCEncoder, rise_time: f64);
1047}
1048extern "C" {
1049 #[doc = " Generate LTC audio for given byte of the LTC-frame and\n place it into the internal buffer.\n\n see \\ref ltc_encoder_copy_buffer and \\ref ltc_encoder_get_bufferptr\n\n LTC has 10 bytes per frame: 0 <= bytecnt < 10\n use SMPTESetTime(..) to set the current frame before Encoding.\n see tests/encoder.c for an example.\n\n The default output signal is @ -3dBFS (38..218 at 8 bit unsigned).\n see also \\ref ltc_encoder_set_volume\n\n if speed is < 0, the bits are encoded in reverse.\n slowdown > 10.0 requires custom buffer sizes; see \\ref ltc_encoder_set_buffersize\n\n @param e encoder handle\n @param byte byte of the LTC-frame to encode 0..9\n @param speed vari-speed, < 1.0 faster, > 1.0 slower ; must be != 0\n\n @return 0 on success, -1 if byte is invalid or buffer overflow (speed > 10.0)"]
1050 pub fn ltc_encoder_encode_byte(
1051 e: *mut LTCEncoder,
1052 byte: ::std::os::raw::c_int,
1053 speed: f64,
1054 ) -> ::std::os::raw::c_int;
1055}
1056extern "C" {
1057 #[doc = " Terminate encoding and add final transition\n\n Refer to the image at \\ref LTCFrame. In this example, the encoded data\n starts and ends with a rising edge.\n The transition at the start of tne next frame marks the end of\n the previous frame. This transition is encoded at the\n beginning of a frame. However if there is no additional frame to be encoded,\n a final terminating transition has to be added.\n\n Since LTC is usually sent as continuous stream, this is of no concern.\n However for a fixed, finite duration to be encoded, this method adds\n a terminating transition to the buffer.\n\n After this one must either call \\ref ltc_encoder_reset() or \\ref ltc_encoder_free.\n\n @param e encoder handle\n @return 0 on success, -1 if byte is invalid or buffer overflow (speed > 10.0)"]
1058 pub fn ltc_encoder_end_encode(e: *mut LTCEncoder) -> ::std::os::raw::c_int;
1059}
1060extern "C" {
1061 #[doc = " Encode a full LTC frame at fixed speed.\n This is equivalent to calling \\ref ltc_encoder_encode_byte 10 times for\n bytes 0..9 with speed 1.0.\n\n Note: The internal buffer must be empty before calling this function.\n Otherwise it may overflow. This is usually the case if it is read with\n \\ref ltc_encoder_copy_buffer after calling this function.\n\n The default internal buffersize is exactly one full LTC frame at speed 1.0.\n\n @param e encoder handle"]
1062 pub fn ltc_encoder_encode_frame(e: *mut LTCEncoder);
1063}
1064extern "C" {
1065 #[doc = " Encode a full LTC frame at fixed speed -1.\n This is equivalent to calling \\ref ltc_encoder_encode_byte 10 times for\n bytes 9..0, rolling in reverse at speed 1.\n\n Note: The internal buffer must be empty before calling this function.\n Otherwise it may overflow. This is usually the case if it is read with\n \\ref ltc_encoder_copy_buffer after calling this function.\n\n @param e encoder handle"]
1066 pub fn ltc_encoder_encode_reversed_frame(e: *mut LTCEncoder);
1067}
1068extern "C" {
1069 #[doc = " Set the parity of the LTC frame.\n\n Bi-Phase Mark Phase Correction bit (bit 27 - or 59) may be set or cleared so that\n that every 80-bit word contains an even number of zeroes.\n This means that the phase in every Sync Word will be the same.\n\n This is merely cosmetic; the motivation to keep the polarity of the waveform\n constant is to make finding the Sync Word visibly (on a scope) easier.\n\n There is usually no need to call this function directly. The encoder utility\n functions \\ref ltc_time_to_frame, \\ref ltc_frame_increment and\n \\ref ltc_frame_decrement include a call to it.\n\n @param frame the LTC to analyze and set or clear the biphase_mark_phase_correction bit.\n @param standard If 1 (aka LTC_TV_625_50) , the 25fps mode (bit 59 - aka binary_group_flag_bit2) is used, otherwise the 30fps, 24fps mode (bit 27 -- biphase_mark_phase_correction) is set or cleared."]
1070 pub fn ltc_frame_set_parity(frame: *mut LTCFrame, standard: LTC_TV_STANDARD);
1071}
1072extern "C" {
1073 #[doc = " Parse Binary Coded Group Flags into standard independent format:\n bit 0 (1) - BGF 0,\n bit 1 (2) - BGF 1,\n bit 2 (4) - BGF 2\n\n @param frame LTC frame data analyze\n @param standard the TV standard to use -- see \\ref LTCFrame for BGF assignment\n @return LTC Binary Group Flags"]
1074 pub fn ltc_frame_parse_bcg_flags(
1075 frame: *mut LTCFrame,
1076 standard: LTC_TV_STANDARD,
1077 ) -> ::std::os::raw::c_int;
1078}
1079extern "C" {
1080 #[doc = " LTCFrame sample alignment offset.\n\n There is a relative offset of the LTC-Frame start and the TV-frame.\n The first bit of a LTC frame corresponds to a specific line in the actual video\n frame. When decoding this offset needs to be subtracted from the LTC-frame's\n audio-sample-time to match the TV-frame's start position.\n\n For film frames or HDV the offset is zero.\n\n @param samples_per_frame audio-samples per timecode-frame (eg. 1920 = 48000/25)\n @param standard the TV standard\n @return offset in samples"]
1081 pub fn ltc_frame_alignment(samples_per_frame: f64, standard: LTC_TV_STANDARD) -> ltc_off_t;
1082}