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resindvd: Manage timed still sequences better

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Make timed still frames work better by extending the current segment
when needed, and restarting the still sequence with the correct
remaining duration when the wait it interrupted by activation of a
highlight NAV packet.
This commit is contained in:
Jan Schmidt 2009-05-11 14:17:42 +01:00
parent 79f653fde8
commit 4204b644ef
2 changed files with 54 additions and 20 deletions
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71
ext/resindvd/resindvdsrc.c
View file

@ -590,6 +590,12 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
if (src->in_still_state == FALSE) {
GST_DEBUG_OBJECT (src, "**** Start STILL FRAME. Duration %d ****",
duration);
if (duration == 255)
src->still_time_remaining = GST_CLOCK_TIME_NONE;
else
src->still_time_remaining = GST_SECOND * duration;
/* Send a close-segment event, and a dvd-still start
* event, then sleep */
s = gst_structure_new ("application/x-gst-dvd",
@ -622,7 +628,9 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
src->in_still_state = TRUE;
} else {
GST_DEBUG_OBJECT (src, "Re-entering still wait");
GST_DEBUG_OBJECT (src,
"Re-entering still wait with %" GST_TIME_FORMAT " remaining",
GST_TIME_ARGS (src->still_time_remaining));
g_mutex_lock (src->branch_lock);
}
@ -659,26 +667,42 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
GTimeVal end_time;
gboolean was_signalled;
g_get_current_time (&end_time);
g_time_val_add (&end_time, duration * G_USEC_PER_SEC);
if (src->still_time_remaining > 0) {
g_get_current_time (&end_time);
g_time_val_add (&end_time, src->still_time_remaining / GST_USECOND);
/* FIXME: Implement timed stills by sleeping on the clock, possibly
* in multiple steps if we get paused/unpaused */
g_mutex_unlock (src->dvd_lock);
GST_LOG_OBJECT (src, "cond_timed_wait still for %d sec", duration);
was_signalled =
g_cond_timed_wait (src->still_cond, src->branch_lock, &end_time);
was_signalled |= src->branching;
/* Implement timed stills by sleeping, possibly
* in multiple steps if we get paused/unpaused */
g_mutex_unlock (src->dvd_lock);
GST_LOG_OBJECT (src, "cond_timed_wait still for %d sec", duration);
was_signalled =
g_cond_timed_wait (src->still_cond, src->branch_lock, &end_time);
was_signalled |= src->branching;
g_mutex_unlock (src->branch_lock);
g_mutex_lock (src->dvd_lock);
g_mutex_unlock (src->branch_lock);
g_mutex_lock (src->dvd_lock);
if (was_signalled) {
/* Signalled - must be flushing */
GST_LOG_OBJECT (src,
"cond_timed_wait still over. Signalled, branching = %d",
src->branching);
return TRUE;
if (was_signalled) {
/* Signalled - must be flushing */
GTimeVal cur_time;
GstClockTimeDiff remain;
g_get_current_time (&cur_time);
remain =
(end_time.tv_sec - cur_time.tv_sec) * GST_SECOND +
(end_time.tv_usec - cur_time.tv_usec) * GST_USECOND;
if (remain < 0)
src->still_time_remaining = 0;
else
src->still_time_remaining = remain;
GST_LOG_OBJECT (src,
"cond_timed_wait still aborted by signal with %" GST_TIME_FORMAT
" remaining. branching = %d",
GST_TIME_ARGS (src->still_time_remaining), src->branching);
return TRUE;
}
}
/* Else timed out, end the still */
@ -690,12 +714,17 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
}
/* Tell downstream the still is over.
* Later: We'll only do this if the still isn't interrupted: */
* We only do this if the still isn't interrupted: */
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-still",
"still-state", G_TYPE_BOOLEAN, FALSE, NULL);
still_event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
/* If the segment was too short in a timed still, it may need extending */
if (segment->last_stop < segment->start + GST_SECOND * duration)
gst_segment_set_last_stop (segment, GST_FORMAT_TIME,
segment->start + (GST_SECOND * duration));
g_mutex_unlock (src->dvd_lock);
gst_pad_push_event (GST_BASE_SRC_PAD (src), still_event);
g_mutex_lock (src->dvd_lock);
@ -2040,8 +2069,10 @@ rsn_dvdsrc_activate_nav_block (resinDvdSrc * src, GstBuffer * nav_buf)
/* highlight might change, let's check */
rsn_dvdsrc_update_highlight (src);
if (src->highlight_event)
if (src->highlight_event && src->in_still_state) {
GST_LOG_OBJECT (src, "Signalling still condition due to highlight change");
g_cond_broadcast (src->still_cond);
}
}
static void

3
ext/resindvd/resindvdsrc.h
View file

@ -90,6 +90,9 @@ struct _resinDvdSrc
gboolean was_mouse_over;
/* Remaining time to wait in a timed still: */
GstClockTime still_time_remaining;
GstBuffer *alloc_buf;
GstBuffer *next_buf;
/* TRUE if the next_buf is a nav block that needs enqueueing */