Lines Matching defs:mtc

87 struct mtc mtc_array[1] = {
191 mtc_midi_qfr(struct mtc *mtc, int delta)
197 	mtc->delta += delta * MTC_SEC;
198 	qfrlen = mtc->dev->rate * (MTC_SEC / (4 * mtc->fps));
199 	while (mtc->delta >= qfrlen) {
200 		switch (mtc->qfr) {
202 			data = mtc->fr & 0xf;
205 			data = mtc->fr >> 4;
208 			data = mtc->sec & 0xf;
211 			data = mtc->sec >> 4;
214 			data = mtc->min & 0xf;
217 			data = mtc->min >> 4;
220 			data = mtc->hr & 0xf;
223 			data = (mtc->hr >> 4) | (mtc->fps_id << 1);
227 			mtc->fr += 2;
228 			if (mtc->fr < mtc->fps)
230 			mtc->fr -= mtc->fps;
231 			mtc->sec++;
232 			if (mtc->sec < 60)
234 			mtc->sec = 0;
235 			mtc->min++;
236 			if (mtc->min < 60)
238 			mtc->min = 0;
239 			mtc->hr++;
240 			if (mtc->hr < 24)
242 			mtc->hr = 0;
249 		buf[1] = (mtc->qfr << 4) | data;
250 		mtc->qfr++;
251 		mtc->qfr &= 7;
252 		dev_midi_send(mtc->dev, buf, 2);
253 		mtc->delta -= qfrlen;
261 mtc_midi_full(struct mtc *mtc)
266 	mtc->delta = -MTC_SEC * (int)mtc->dev->bufsz;
267 	if (mtc->dev->rate % (30 * 4 * mtc->dev->round) == 0) {
268 		mtc->fps_id = MTC_FPS_30;
269 		mtc->fps = 30;
270 	} else if (mtc->dev->rate % (25 * 4 * mtc->dev->round) == 0) {
271 		mtc->fps_id = MTC_FPS_25;
272 		mtc->fps = 25;
274 		mtc->fps_id = MTC_FPS_24;
275 		mtc->fps = 24;
278 	logx(3, "%s: mtc full frame at %d, %d fps", mtc->dev->path, mtc->delta, mtc->fps);
280 	fps = mtc->fps;
281 	mtc->hr =  (mtc->origin / (MTC_SEC * 3600)) % 24;
282 	mtc->min = (mtc->origin / (MTC_SEC * 60))   % 60;
283 	mtc->sec = (mtc->origin / (MTC_SEC))        % 60;
284 	mtc->fr =  (mtc->origin / (MTC_SEC / fps))  % fps;
291 	x.u.full.hr = mtc->hr | (mtc->fps_id << 5);
292 	x.u.full.min = mtc->min;
293 	x.u.full.sec = mtc->sec;
294 	x.u.full.fr = mtc->fr;
296 	mtc->qfr = 0;
297 	dev_midi_send(mtc->dev, (unsigned char *)&x, SYSEX_SIZE(full));
1270 mtc_trigger(struct mtc *mtc)
1275 	if (mtc->tstate != MTC_START) {
1276 		logx(2, "%s: not started by mmc yet, waiting.", mtc->dev->path);
1281 		if (s->opt == NULL || s->opt->mtc != mtc)
1290 	if (!dev_ref(mtc->dev))
1294 		if (s->opt == NULL || s->opt->mtc != mtc)
1299 	mtc->tstate = MTC_RUN;
1300 	mtc_midi_full(mtc);
1301 	dev_wakeup(mtc->dev);
1308 mtc_start(struct mtc *mtc)
1310 	if (mtc->tstate == MTC_STOP) {
1311 		mtc->tstate = MTC_START;
1312 		mtc_trigger(mtc);
1315 		logx(3, "%s: ignoring mmc start", mtc->dev->path);
1324 mtc_stop(struct mtc *mtc)
1326 	switch (mtc->tstate) {
1328 		mtc->tstate = MTC_STOP;
1331 		mtc->tstate = MTC_STOP;
1332 		dev_unref(mtc->dev);
1336 		logx(3, "%s: ignored mmc stop", mtc->dev->path);
1346 mtc_loc(struct mtc *mtc, unsigned int origin)
1348 	logx(2, "%s: relocated to %u", mtc->dev->path, origin);
1350 	if (mtc->tstate == MTC_RUN)
1351 		mtc_stop(mtc);
1352 	mtc->origin = origin;
1353 	if (mtc->tstate == MTC_RUN)
1354 		mtc_start(mtc);
1361 mtc_setdev(struct mtc *mtc, struct dev *d)
1365 	if (mtc->dev == d)
1371 	if (mtc->tstate == MTC_RUN) {
1372 		mtc->delta -= mtc->dev->delta;
1373 		dev_unref(mtc->dev);
1376 	mtc->dev = d;
1378 	if (mtc->tstate == MTC_RUN) {
1379 		mtc->delta += mtc->dev->delta;
1380 		dev_ref(mtc->dev);
1381 		dev_wakeup(mtc->dev);
1386 		if (o->mtc == mtc)
1387 			opt_setdev(o, mtc->dev);
1631 	s->xrun = s->opt->mtc != NULL ? XRUN_SYNC : XRUN_IGNORE;
1799 	if (s->opt->mtc == NULL) {
1803 		mtc_trigger(s->opt->mtc);