static void
mainloop(void)
{
gtimer_t *gti;
gti_callback_t *cb;
struct timespec ts;
while(tvheadend_running) {
clock_gettime(CLOCK_REALTIME, &ts);
/* 1sec stuff */
if (ts.tv_sec > dispatch_clock) {
dispatch_clock = ts.tv_sec;
spawn_reaper(); /* reap spawned processes */
comet_flush(); /* Flush idle comet mailboxes */
}
/* Global timers */
pthread_mutex_lock(&global_lock);
// TODO: there is a risk that if timers re-insert themselves to
// the top of the list with a 0 offset we could loop indefinitely
#if 0
tvhdebug("gtimer", "now %ld.%09ld", ts.tv_sec, ts.tv_nsec);
LIST_FOREACH(gti, >imers, gti_link)
tvhdebug("gtimer", " gti %p expire %ld.%08ld",
gti, gti->gti_expire.tv_sec, gti->gti_expire.tv_nsec);
#endif
while((gti = LIST_FIRST(>imers)) != NULL) {
if ((gti->gti_expire.tv_sec > ts.tv_sec) ||
((gti->gti_expire.tv_sec == ts.tv_sec) &&
(gti->gti_expire.tv_nsec > ts.tv_nsec))) {
ts = gti->gti_expire;
break;
}
cb = gti->gti_callback;
//tvhdebug("gtimer", "%p callback", gti);
LIST_REMOVE(gti, gti_link);
gti->gti_callback = NULL;
cb(gti->gti_opaque);
}
/* Bound wait */
if ((LIST_FIRST(>imers) == NULL) || (ts.tv_sec > (dispatch_clock + 1))) {
ts.tv_sec = dispatch_clock + 1;
ts.tv_nsec = 0;
}
/* Wait */
//tvhdebug("gtimer", "wait till %ld.%09ld", ts.tv_sec, ts.tv_nsec);
pthread_cond_timedwait(>imer_cond, &global_lock, &ts);
pthread_mutex_unlock(&global_lock);
}
}
static void _xmltv_load_grabbers ( void )
{
int outlen;
size_t i, p, n;
char *outbuf;
char name[1000];
char *tmp, *tmp2 = NULL, *path;
/* Load data */
outlen = spawn_and_store_stdout(XMLTV_FIND, NULL, &outbuf);
/* Process */
if ( outlen > 0 ) {
p = n = i = 0;
while ( i < outlen ) {
if ( outbuf[i] == '\n' || outbuf[i] == '\0' ) {
outbuf[i] = '\0';
sprintf(name, "XMLTV: %s", &outbuf[n]);
epggrab_module_int_create(NULL, &outbuf[p], name, 3, &outbuf[p],
NULL, _xmltv_parse, NULL, NULL);
p = n = i + 1;
} else if ( outbuf[i] == '|' ) {
outbuf[i] = '\0';
n = i + 1;
}
i++;
}
free(outbuf);
/* Internal search */
} else if ((tmp = getenv("PATH"))) {
tvhdebug("epggrab", "using internal grab search");
char bin[256];
char desc[] = "--description";
char *argv[] = {
NULL,
desc,
NULL
};
path = strdup(tmp);
tmp = strtok_r(path, ":", &tmp2);
while (tmp) {
DIR *dir;
struct dirent *de;
struct stat st;
if ((dir = opendir(tmp))) {
while ((de = readdir(dir))) {
if (strstr(de->d_name, XMLTV_GRAB) != de->d_name) continue;
snprintf(bin, sizeof(bin), "%s/%s", tmp, de->d_name);
if (epggrab_module_find_by_id(bin)) continue;
if (stat(bin, &st)) continue;
if (!(st.st_mode & S_IEXEC)) continue;
if (!S_ISREG(st.st_mode)) continue;
if ((outlen = spawn_and_store_stdout(bin, argv, &outbuf)) > 0) {
if (outbuf[outlen-1] == '\n') outbuf[outlen-1] = '\0';
snprintf(name, sizeof(name), "XMLTV: %s", outbuf);
epggrab_module_int_create(NULL, bin, name, 3, bin,
NULL, _xmltv_parse, NULL, NULL);
free(outbuf);
}
}
closedir(dir);
}
tmp = strtok_r(NULL, ":", &tmp2);
}
free(path);
}
}
/*
* Timeshift thread
*/
void *timeshift_reader ( void *p )
{
timeshift_t *ts = p;
int nfds, end, run = 1, wait = -1, state;
timeshift_seek_t *seek = &ts->seek;
timeshift_file_t *tmp_file;
int cur_speed = 100, keyframe_mode = 0;
int64_t mono_now, mono_play_time = 0, mono_last_status = 0;
int64_t deliver, deliver0, pause_time = 0, last_time = 0, skip_time = 0;
int64_t i64;
streaming_message_t *sm = NULL, *ctrl = NULL;
streaming_skip_t *skip = NULL;
tvhpoll_t *pd;
tvhpoll_event_t ev = { 0 };
pd = tvhpoll_create(1);
ev.fd = ts->rd_pipe.rd;
ev.events = TVHPOLL_IN;
tvhpoll_add(pd, &ev, 1);
/* Output */
while (run) {
// Note: Previously we allowed unlimited wait, but we now must wake periodically
// to output status message
if (wait < 0 || wait > 1000)
wait = 1000;
/* Wait for data */
if(wait)
nfds = tvhpoll_wait(pd, &ev, 1, wait);
else
nfds = 0;
wait = -1;
end = 0;
skip = NULL;
mono_now = getfastmonoclock();
/* Control */
tvh_mutex_lock(&ts->state_mutex);
if (nfds == 1) {
if (_read_msg(NULL, ts->rd_pipe.rd, &ctrl) > 0) {
/* Exit */
if (ctrl->sm_type == SMT_EXIT) {
tvhtrace(LS_TIMESHIFT, "ts %d read exit request", ts->id);
run = 0;
streaming_msg_free(ctrl);
ctrl = NULL;
/* Speed */
} else if (ctrl->sm_type == SMT_SPEED) {
int speed = ctrl->sm_code;
int keyframe;
/* Bound it */
if (speed > 3200) speed = 3200;
if (speed < -3200) speed = -3200;
/* Ignore negative */
if (!ts->dobuf && (speed < 0))
speed = seek->file ? speed : 0;
/* Process */
if (cur_speed != speed) {
/* Live playback */
state = ts->state;
if (state == TS_LIVE) {
/* Reject */
if (speed >= 100) {
tvhdebug(LS_TIMESHIFT, "ts %d reject 1x+ in live mode", ts->id);
speed = 100;
/* Set position */
} else {
tvhdebug(LS_TIMESHIFT, "ts %d enter timeshift mode", ts->id);
ts->dobuf = 1;
_seek_reset(seek);
tmp_file = timeshift_filemgr_newest(ts);
if (tmp_file != NULL) {
i64 = tmp_file->last;
timeshift_file_put(tmp_file);
} else {
i64 = ts->buf_time;
}
seek->file = timeshift_filemgr_get(ts, i64);
if (seek->file != NULL) {
seek->file->roff = seek->file->size;
pause_time = seek->file->last;
last_time = pause_time;
} else {
pause_time = i64;
last_time = pause_time;
}
}
}
/* Check keyframe mode */
keyframe = (speed < 0) || (speed > 400);
if (keyframe != keyframe_mode) {
tvhdebug(LS_TIMESHIFT, "using keyframe mode? %s", keyframe ? "yes" : "no");
keyframe_mode = keyframe;
if (keyframe)
seek->frame = NULL;
}
/* Update */
if (speed != 100 || state != TS_LIVE) {
ts->state = speed == 0 ? TS_PAUSE : TS_PLAY;
tvhtrace(LS_TIMESHIFT, "reader - set %s", speed == 0 ? "TS_PAUSE" : "TS_PLAY");
}
if ((ts->state == TS_PLAY && state != TS_PLAY) || (speed != cur_speed)) {
mono_play_time = mono_now;
tvhtrace(LS_TIMESHIFT, "update play time TS_LIVE - %"PRId64" play buffer from %"PRId64,
mono_now, pause_time);
if (speed != cur_speed)
pause_time = last_time;
} else if (ts->state == TS_PAUSE && state != TS_PAUSE) {
pause_time = last_time;
}
cur_speed = speed;
tvhdebug(LS_TIMESHIFT, "ts %d change speed %d", ts->id, speed);
}
/* Send on the message */
ctrl->sm_code = speed;
streaming_target_deliver2(ts->output, ctrl);
ctrl = NULL;
/* Skip/Seek */
} else if (ctrl->sm_type == SMT_SKIP) {
skip = ctrl->sm_data;
switch (skip->type) {
case SMT_SKIP_LIVE:
if (ts->state != TS_LIVE) {
/* Reset */
if (ts->full) {
timeshift_filemgr_flush(ts, NULL);
_seek_reset(seek);
ts->full = 0;
}
/* Release */
if (sm)
streaming_msg_free(sm);
/* Find end */
skip_time = 0x7fffffffffffffffLL;
// TODO: change this sometime!
}
break;
case SMT_SKIP_ABS_TIME:
/* -fallthrough */
case SMT_SKIP_REL_TIME:
/* Convert */
skip_time = ts_rescale(skip->time, 1000000);
tvhdebug(LS_TIMESHIFT, "ts %d skip %"PRId64" requested %"PRId64, ts->id, skip_time, skip->time);
/* Live playback (stage1) */
if (ts->state == TS_LIVE) {
_seek_reset(seek);
tmp_file = timeshift_filemgr_newest(ts);
if (tmp_file) {
i64 = tmp_file->last;
timeshift_file_put(tmp_file);
}
if (tmp_file && (seek->file = timeshift_filemgr_get(ts, i64)) != NULL) {
seek->file->roff = seek->file->size;
last_time = seek->file->last;
} else {
last_time = ts->buf_time;
}
}
/* May have failed */
if (skip->type == SMT_SKIP_REL_TIME)
skip_time += last_time;
tvhdebug(LS_TIMESHIFT, "ts %d skip time %"PRId64, ts->id, skip_time);
/* Live (stage2) */
if (ts->state == TS_LIVE) {
if (skip_time >= ts->buf_time - TIMESHIFT_PLAY_BUF) {
tvhdebug(LS_TIMESHIFT, "ts %d skip ignored, already live", ts->id);
skip = NULL;
} else {
ts->state = TS_PLAY;
ts->dobuf = 1;
tvhtrace(LS_TIMESHIFT, "reader - set TS_PLAY");
}
}
/* OK */
if (skip) {
/* seek */
seek->frame = NULL;
end = _timeshift_do_skip(ts, skip_time, last_time, seek);
if (seek->frame) {
pause_time = seek->frame->time;
tvhtrace(LS_TIMESHIFT, "ts %d skip - play buffer from %"PRId64" last_time %"PRId64,
ts->id, pause_time, last_time);
/* Adjust time */
if (mono_play_time != mono_now)
tvhtrace(LS_TIMESHIFT, "ts %d update play time skip - %"PRId64, ts->id, mono_now);
mono_play_time = mono_now;
/* Clear existing packet */
if (sm) {
streaming_msg_free(sm);
sm = NULL;
}
} else {
skip = NULL;
}
}
break;
default:
tvherror(LS_TIMESHIFT, "ts %d invalid/unsupported skip type: %d", ts->id, skip->type);
skip = NULL;
break;
}
/* Error */
if (!skip) {
((streaming_skip_t*)ctrl->sm_data)->type = SMT_SKIP_ERROR;
streaming_target_deliver2(ts->output, ctrl);
ctrl = NULL;
}
/* Ignore */
} else {
streaming_msg_free(ctrl);
ctrl = NULL;
}
}
}
/* Done */
if (!run || !seek->file || ((ts->state != TS_PLAY && !skip))) {
if (mono_now >= (mono_last_status + sec2mono(1))) {
timeshift_status(ts, last_time);
mono_last_status = mono_now;
}
tvh_mutex_unlock(&ts->state_mutex);
continue;
}
/* Calculate delivery time */
deliver0 = (mono_now - mono_play_time) + TIMESHIFT_PLAY_BUF;
deliver = (deliver0 * cur_speed) / 100;
deliver = (deliver + pause_time);
tvhtrace(LS_TIMESHIFT, "speed %d now %"PRId64" play_time %"PRId64" deliver %"PRId64" deliver0 %"PRId64,
cur_speed, mono_now, mono_play_time, deliver, deliver0);
/* Determine next packet */
if (!sm) {
/* Rewind or Fast forward (i-frame only) */
if (skip || keyframe_mode) {
int64_t req_time;
/* Time */
if (!skip)
req_time = last_time + ((cur_speed < 0) ? -1 : 1);
else
req_time = skip_time;
end = _timeshift_do_skip(ts, req_time, last_time, seek);
}
/* Clear old message */
if (sm) {
streaming_msg_free(sm);
sm = NULL;
}
/* Find packet */
if (_timeshift_read(ts, seek, &sm, &wait) == -1) {
tvh_mutex_unlock(&ts->state_mutex);
break;
}
}
/* Send skip response */
if (skip) {
if (sm) {
/* Status message */
skip->time = ts_rescale_inv(sm->sm_time, 1000000);
skip->type = SMT_SKIP_ABS_TIME;
tvhdebug(LS_TIMESHIFT, "ts %d skip to pts %"PRId64" ok", ts->id, sm->sm_time);
/* Update timeshift status */
timeshift_fill_status(ts, &skip->timeshift, sm->sm_time);
mono_last_status = mono_now;
} else {
/* Report error */
skip->type = SMT_SKIP_ERROR;
skip = NULL;
tvhdebug(LS_TIMESHIFT, "ts %d skip failed (%d)", ts->id, sm ? sm->sm_type : -1);
}
streaming_target_deliver2(ts->output, ctrl);
} else {
streaming_msg_free(ctrl);
}
ctrl = NULL;
/* Deliver */
if (sm && (skip ||
(((cur_speed < 0) && (sm->sm_time >= deliver)) ||
((cur_speed > 0) && (sm->sm_time <= deliver))))) {
last_time = sm->sm_time;
if (!skip && keyframe_mode) /* always send status on keyframe mode */
timeshift_status(ts, last_time);
timeshift_packet_log("out", ts, sm);
streaming_target_deliver2(ts->output, sm);
sm = NULL;
wait = 0;
} else if (sm) {
if (cur_speed > 0)
wait = (sm->sm_time - deliver) / 1000;
else
wait = (deliver - sm->sm_time) / 1000;
if (wait == 0) wait = 1;
tvhtrace(LS_TIMESHIFT, "ts %d wait %d speed %d sm_time %"PRId64" deliver %"PRId64,
ts->id, wait, cur_speed, sm->sm_time, deliver);
}
/* Periodic timeshift status */
if (mono_now >= (mono_last_status + sec2mono(1))) {
timeshift_status(ts, last_time);
mono_last_status = mono_now;
}
/* Terminate */
if (!seek->file || end != 0) {
/* Back to live (unless buffer is full) */
if ((end == 1 && !ts->full) || !seek->file) {
tvhdebug(LS_TIMESHIFT, "ts %d eob revert to live mode", ts->id);
cur_speed = 100;
ctrl = streaming_msg_create_code(SMT_SPEED, cur_speed);
streaming_target_deliver2(ts->output, ctrl);
ctrl = NULL;
tvhtrace(LS_TIMESHIFT, "reader - set TS_LIVE");
/* Flush timeshift buffer to live */
if (_timeshift_flush_to_live(ts, seek, &wait) == -1) {
tvh_mutex_unlock(&ts->state_mutex);
break;
}
ts->state = TS_LIVE;
/* Close file (if open) */
_read_close(seek);
/* Pause */
} else {
if (cur_speed <= 0) {
cur_speed = 0;
tvhtrace(LS_TIMESHIFT, "reader - set TS_PAUSE");
ts->state = TS_PAUSE;
} else {
cur_speed = 100;
tvhtrace(LS_TIMESHIFT, "reader - set TS_PLAY");
if (ts->state != TS_PLAY) {
ts->state = TS_PLAY;
ts->dobuf = 1;
if (mono_play_time != mono_now)
tvhtrace(LS_TIMESHIFT, "update play time (pause) - %"PRId64, mono_now);
mono_play_time = mono_now;
}
}
tvhdebug(LS_TIMESHIFT, "ts %d sob speed %d last time %"PRId64, ts->id, cur_speed, last_time);
pause_time = last_time;
ctrl = streaming_msg_create_code(SMT_SPEED, cur_speed);
streaming_target_deliver2(ts->output, ctrl);
ctrl = NULL;
}
}
tvh_mutex_unlock(&ts->state_mutex);
}
/* Cleanup */
tvhpoll_destroy(pd);
_read_close(seek);
if (sm) streaming_msg_free(sm);
if (ctrl) streaming_msg_free(ctrl);
tvhtrace(LS_TIMESHIFT, "ts %d exit reader thread", ts->id);
return NULL;
}
static void
mainloop(void)
{
gtimer_t *gti;
gti_callback_t *cb;
struct timespec ts;
#if ENABLE_GTIMER_CHECK
int64_t mtm;
const char *id;
const char *fcn;
#endif
while(tvheadend_running) {
dispatch_clock_update(&ts);
/* Global timers */
pthread_mutex_lock(&global_lock);
// TODO: there is a risk that if timers re-insert themselves to
// the top of the list with a 0 offset we could loop indefinitely
#if 0
tvhdebug("gtimer", "now %ld.%09ld", ts.tv_sec, ts.tv_nsec);
LIST_FOREACH(gti, >imers, gti_link)
tvhdebug("gtimer", " gti %p expire %ld.%08ld",
gti, gti->gti_expire.tv_sec, gti->gti_expire.tv_nsec);
#endif
while((gti = LIST_FIRST(>imers)) != NULL) {
if ((gti->gti_expire.tv_sec > ts.tv_sec) ||
((gti->gti_expire.tv_sec == ts.tv_sec) &&
(gti->gti_expire.tv_nsec > ts.tv_nsec))) {
ts = gti->gti_expire;
break;
}
#if ENABLE_GTIMER_CHECK
mtm = getmonoclock();
id = gti->gti_id;
fcn = gti->gti_fcn;
#endif
cb = gti->gti_callback;
LIST_REMOVE(gti, gti_link);
gti->gti_callback = NULL;
cb(gti->gti_opaque);
#if ENABLE_GTIMER_CHECK
tvhtrace("gtimer", "%s:%s duration %"PRId64"ns", id, fcn, getmonoclock() - mtm);
#endif
}
/* Bound wait */
if ((LIST_FIRST(>imers) == NULL) || (ts.tv_sec > (dispatch_clock + 1))) {
ts.tv_sec = dispatch_clock + 1;
ts.tv_nsec = 0;
}
/* Wait */
pthread_cond_timedwait(>imer_cond, &global_lock, &ts);
pthread_mutex_unlock(&global_lock);
}
}
static void
mainloop(void)
{
gtimer_t *gti;
gti_callback_t *cb;
time_t now;
struct timespec ts;
#if ENABLE_GTIMER_CHECK
int64_t mtm;
const char *id;
const char *fcn;
#endif
while (tvheadend_is_running()) {
now = gdispatch_clock_update();
ts.tv_sec = now + 3600;
ts.tv_nsec = 0;
/* Global timers */
pthread_mutex_lock(&global_lock);
// TODO: there is a risk that if timers re-insert themselves to
// the top of the list with a 0 offset we could loop indefinitely
#if 0
tvhdebug("gtimer", "now %"PRItime_t, ts.tv_sec);
LIST_FOREACH(gti, >imers, gti_link)
tvhdebug("gtimer", " gti %p expire %"PRItimet, gti, gti->gti_expire.tv_sec);
#endif
while((gti = LIST_FIRST(>imers)) != NULL) {
if (gti->gti_expire > now) {
ts.tv_sec = gti->gti_expire;
break;
}
#if ENABLE_GTIMER_CHECK
mtm = getmonoclock();
id = gti->gti_id;
fcn = gti->gti_fcn;
#endif
cb = gti->gti_callback;
LIST_REMOVE(gti, gti_link);
gti->gti_callback = NULL;
cb(gti->gti_opaque);
#if ENABLE_GTIMER_CHECK
mtm = getmonoclock() - mtm;
if (mtm > 10000)
tvhtrace("gtimer", "%s:%s duration %"PRId64"us", id, fcn, mtm);
#endif
}
/* Wait */
pthread_cond_timedwait(>imer_cond, &global_lock, &ts);
pthread_mutex_unlock(&global_lock);
}
}
