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resindvd: Defer pushing tag updates until streaming.

Browse source 
Push tag/title info updates in the streaming thread, avoiding
spurious losses of the downstream events when flushing.

See: https://bugzilla.gnome.org/show_bug.cgi?id=594222
This commit is contained in:
Jan Schmidt 2010-12-12 02:16:49 +11:00 committed by Jan Schmidt
parent 4810fa4c51
commit 7e3472d772
2 changed files with 22 additions and 8 deletions
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29
ext/resindvd/resindvdsrc.c
View file

@ -409,6 +409,7 @@ rsn_dvdsrc_start (GstBaseSrc * bsrc)
src->branching = FALSE;
src->discont = TRUE;
src->need_segment = TRUE;
src->need_tag_update = TRUE;
src->cur_position = GST_CLOCK_TIME_NONE;
src->pgc_duration = GST_CLOCK_TIME_NONE;
@ -810,8 +811,8 @@ get_current_pgc (resinDvdSrc * src)
return pgc;
}
static void
update_title_info (resinDvdSrc * src)
static GstTagList *
update_title_info (resinDvdSrc * src, gboolean force)
{
gint n_angles, cur_agl;
gint title_n, part_n;
@ -825,14 +826,14 @@ update_title_info (resinDvdSrc * src)
if (dvdnav_current_title_info (src->dvdnav, &title_n,
&part_n) != DVDNAV_STATUS_OK) {
if (!src->in_menu)
return; /* Can't update now */
return NULL; /* Can't update now */
/* Must be in the first play sequence */
title_n = -1;
part_n = 0;
}
if (title_n != src->title_n || part_n != src->part_n ||
src->n_angles != n_angles || src->cur_angle != cur_agl) {
src->n_angles != n_angles || src->cur_angle != cur_agl || force) {
gchar *title_str = NULL;
src->title_n = title_n;
@ -870,9 +871,11 @@ update_title_info (resinDvdSrc * src)
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
title_str, NULL);
g_free (title_str);
gst_element_found_tags (GST_ELEMENT_CAST (src), tags);
return tags;
}
}
return NULL;
}
/* we don't cache the result on purpose */
@ -1046,8 +1049,7 @@ rsn_dvdsrc_step (resinDvdSrc * src, gboolean have_dvd_lock)
GST_TIME_ARGS (src->cur_position));
rsn_dvdsrc_prepare_streamsinfo_event (src);
update_title_info (src);
src->need_tag_update = TRUE;
break;
}
@ -1294,6 +1296,7 @@ rsn_dvdsrc_create (GstBaseSrc * bsrc, guint64 offset,
GstEvent *audio_select_event = NULL;
GstEvent *highlight_event = NULL;
GstMessage *angles_msg = NULL;
GstTagList *tags = NULL;
gboolean cmds_changed = FALSE;
*outbuf = NULL;
@ -1331,6 +1334,11 @@ rsn_dvdsrc_create (GstBaseSrc * bsrc, guint64 offset,
cmds_changed = src->commands_changed;
src->commands_changed = FALSE;
if (src->need_tag_update) {
tags = update_title_info (src, FALSE);
src->need_tag_update = FALSE;
}
g_mutex_unlock (src->dvd_lock);
/* Push in-band events now that we've dropped the dvd_lock, before
@ -1377,6 +1385,11 @@ rsn_dvdsrc_create (GstBaseSrc * bsrc, guint64 offset,
if (src->cur_end_ts != GST_CLOCK_TIME_NONE)
gst_segment_set_last_stop (segment, GST_FORMAT_TIME, src->cur_end_ts);
if (tags) {
gst_element_found_tags_for_pad (GST_ELEMENT_CAST (src),
GST_BASE_SRC_PAD (src), tags);
tags = NULL;
}
g_mutex_lock (src->dvd_lock);
if (src->next_buf != NULL) {
@ -1784,7 +1797,7 @@ rsn_dvdsrc_handle_navigation_event (resinDvdSrc * src, GstEvent * event)
}
src->angles_changed = FALSE;
update_title_info (src);
src->need_tag_update = TRUE;
}
cmds_changed = src->commands_changed;

1
ext/resindvd/resindvdsrc.h
View file

@ -84,6 +84,7 @@ struct _resinDvdSrc
gboolean first_seek;
gboolean flushing_seek;
gboolean need_segment;
gboolean need_tag_update;
gboolean active_highlight;
gboolean in_still_state;
gboolean in_playing;