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resindvd: Make the next/prev angle switching cycle at the ends

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When the current angle is 1 and prev_angle is requested, loop to the
maximum angle and vice versa for next_angle
This commit is contained in:
Jan Schmidt 2009-05-05 11:34:26 +01:00
parent 9542d9e251
commit 874549b536
1 changed files with 25 additions and 9 deletions
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34
ext/resindvd/resindvdsrc.c
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@ -1172,6 +1172,7 @@ static RsnNavResult
rsn_dvdsrc_do_command (resinDvdSrc * src, GstNavigationCommand command)
{
RsnNavResult result = RSN_NAV_RESULT_NONE;
gint new_angle = 0;
switch (command) {
case GST_NAVIGATION_COMMAND_DVD_MENU:
@ -1212,25 +1213,40 @@ rsn_dvdsrc_do_command (resinDvdSrc * src, GstNavigationCommand command)
case GST_NAVIGATION_COMMAND_PREV_ANGLE:{
gint32 cur, agls;
if (dvdnav_get_angle_info (src->dvdnav, &cur, &agls) == DVDNAV_STATUS_OK
&& cur > 0
&& dvdnav_angle_change (src->dvdnav, cur - 1) == DVDNAV_STATUS_OK)
GST_INFO_OBJECT (src, "Switched to angle %d", cur - 1);
/* Angle switches are seamless and involve no branching */
if (dvdnav_get_angle_info (src->dvdnav, &cur, &agls) == DVDNAV_STATUS_OK) {
if (cur > 0 &&
dvdnav_angle_change (src->dvdnav, cur - 1) == DVDNAV_STATUS_OK) {
new_angle = cur - 1;
} else if (cur == 1 &&
dvdnav_angle_change (src->dvdnav, agls) == DVDNAV_STATUS_OK) {
new_angle = agls;
}
/* Angle switches are seamless and involve no branching */
}
break;
}
case GST_NAVIGATION_COMMAND_NEXT_ANGLE:{
gint32 cur, agls;
if (dvdnav_get_angle_info (src->dvdnav, &cur, &agls) == DVDNAV_STATUS_OK
&& dvdnav_angle_change (src->dvdnav, cur + 1) == DVDNAV_STATUS_OK)
GST_INFO_OBJECT (src, "Switched to angle %d", cur + 1);
/* Angle switches are seamless and involve no branching */
if (dvdnav_get_angle_info (src->dvdnav, &cur, &agls) == DVDNAV_STATUS_OK) {
if (cur < agls
&& dvdnav_angle_change (src->dvdnav, cur + 1) == DVDNAV_STATUS_OK) {
new_angle = cur + 1;
} else if (cur == agls
&& dvdnav_angle_change (src->dvdnav, 1) == DVDNAV_STATUS_OK) {
new_angle = 1;
}
/* Angle switches are seamless and involve no branching */
}
break;
}
default:
break;
}
if (new_angle) {
GST_INFO_OBJECT (src, "Switched to angle %d", new_angle);
}
return result;
}