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resindvd: Implement navigation command change message and query

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Send messages when the available DVD navigation commands changes, and
handle navigation commands and angles queries.
This commit is contained in:
Jan Schmidt 2009-05-08 10:43:27 +01:00
parent f9dfc44a67
commit 270cd7c421
2 changed files with 73 additions and 0 deletions
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72
ext/resindvd/resindvdsrc.c
View file

@ -134,6 +134,7 @@ static gboolean rsn_dvdsrc_src_event (RsnBaseSrc * basesrc, GstEvent * event);
static gboolean rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query);
static GstClockTime ifotime_to_gsttime (dvd_time_t * ifo_time);
static void rsn_dvdsrc_send_commands_changed (resinDvdSrc * src);
static GstClockTime
ifotime_to_gsttime (dvd_time_t * ifo_time)
@ -398,6 +399,8 @@ rsn_dvdsrc_start (RsnBaseSrc * bsrc)
src->angles_changed = FALSE;
src->n_angles = 0;
src->commands_changed = TRUE;
src->cur_spu_phys_stream = -1;
src->cur_spu_forced_only = FALSE;
memset (src->cur_clut, 0, sizeof (guint32) * 16);
@ -1062,6 +1065,57 @@ branching:
return GST_FLOW_WRONG_STATE;
}
/* Send app a bus message that the available commands have changed */
static void
rsn_dvdsrc_send_commands_changed (resinDvdSrc * src)
{
GstMessage *cmds_msg =
gst_navigation_message_new_commands_changed (GST_OBJECT_CAST (src));
gst_element_post_message (GST_ELEMENT_CAST (src), cmds_msg);
}
static gboolean
rsn_dvdsrc_handle_cmds_query (resinDvdSrc * src, GstQuery * query)
{
return FALSE;
}
static gboolean
rsn_dvdsrc_handle_angles_query (resinDvdSrc * src, GstQuery * query)
{
gint cur_agl, n_angles;
gboolean res = FALSE;
g_mutex_lock (src->dvd_lock);
if (dvdnav_get_angle_info (src->dvdnav, &cur_agl,
&n_angles) == DVDNAV_STATUS_OK) {
gst_navigation_query_set_angles (query, cur_agl, n_angles);
res = TRUE;
}
g_mutex_unlock (src->dvd_lock);
return res;
}
static gboolean
rsn_dvdsrc_handle_navigation_query (resinDvdSrc * src,
GstNavigationQueryType nq_type, GstQuery * query)
{
gboolean res;
switch (nq_type) {
case GST_NAVIGATION_QUERY_COMMANDS:
res = rsn_dvdsrc_handle_cmds_query (src, query);
break;
case GST_NAVIGATION_QUERY_ANGLES:
res = rsn_dvdsrc_handle_angles_query (src, query);
break;
default:
res = FALSE;
}
return res;
}
static GstFlowReturn
rsn_dvdsrc_prepare_next_block (resinDvdSrc * src, gboolean have_dvd_lock)
{
@ -1094,6 +1148,7 @@ rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
GstEvent *audio_select_event = NULL;
GstEvent *highlight_event = NULL;
GstMessage *angles_msg = NULL;
gboolean cmds_changed = FALSE;
*outbuf = NULL;
@ -1128,6 +1183,11 @@ rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
src->angles_changed = FALSE;
}
if (src->commands_changed) {
cmds_changed = TRUE;
src->commands_changed = FALSE;
}
g_mutex_unlock (src->dvd_lock);
/* Push in-band events now that we've dropped the dvd_lock, before
@ -1201,6 +1261,9 @@ rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
gst_element_post_message (GST_ELEMENT_CAST (src), angles_msg);
}
if (cmds_changed)
rsn_dvdsrc_send_commands_changed (src);
return ret;
}
@ -2261,6 +2324,15 @@ rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query)
}
g_mutex_unlock (src->dvd_lock);
break;
case GST_QUERY_CUSTOM:
{
GstNavigationQueryType nq_type = gst_navigation_query_get_type (query);
if (nq_type != GST_NAVIGATION_QUERY_INVALID)
res = rsn_dvdsrc_handle_navigation_query (src, nq_type, query);
else
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;

1
ext/resindvd/resindvdsrc.h
View file

@ -119,6 +119,7 @@ struct _resinDvdSrc
GstEvent *highlight_event;
gboolean angles_changed;
gboolean commands_changed;
/* GList of NAV packets awaiting activation, and the
* running times to activate them. */