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fix state machine if camera connection is lost during screensaver, allow screensaver playback on background click in STATE NONE

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This commit is contained in:
Andreas Frisch 2016-05-25 13:58:32 +02:00
parent d3273796b1
commit 739282afbd
2 changed files with 15 additions and 11 deletions
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25
photobooth.c
View file

@ -522,13 +522,6 @@ static void photo_booth_capture_thread_func (PhotoBooth *pb)
}
timeout = 5000;
}
else if (state == CAPTURE_UNPAUSE && !pb->cam_info)
{
if (photo_booth_cam_init (&pb->cam_info))
state = CAPTURE_VIDEO;
else
state = CAPTURE_INIT;
}
else if (state == CAPTURE_PAUSED)
timeout = 1000;
else
@ -617,7 +610,7 @@ static void photo_booth_capture_thread_func (PhotoBooth *pb)
break;
case CONTROL_UNPAUSE:
GST_DEBUG_OBJECT (pb, "CONTROL_UNPAUSE!");
state = CAPTURE_UNPAUSE;
state = CAPTURE_INIT;
break;
case CONTROL_VIDEO:
GST_DEBUG_OBJECT (pb, "CONTROL_VIDEO");
@ -1009,6 +1002,14 @@ static gboolean photo_booth_screensaver (PhotoBooth *pb)
gst_object_unref (pad);
gst_element_unlink (pb->video_bin, pb->video_sink);
}
if (priv->sink_block_id)
{
pad = gst_element_get_static_pad (pb->video_sink, "sink");
GST_DEBUG_OBJECT (pad, "showing screensaver! unblock video_sink...");
gst_pad_remove_probe (pad, priv->sink_block_id);
gst_object_unref (pad);
gst_element_set_state (pb->video_sink, GST_STATE_PLAYING);
}
SEND_COMMAND (pb, CONTROL_PAUSE);
@ -1033,6 +1034,7 @@ static gboolean photo_booth_screensaver (PhotoBooth *pb)
static gboolean photo_booth_screensaver_stop (PhotoBooth *pb)
{
PhotoBoothPrivate *priv = photo_booth_get_instance_private (pb);
photo_booth_change_state (pb, PB_STATE_NONE);
GstPad *pad;
pad = gst_element_get_static_pad (pb->video_sink, "sink");
@ -1048,7 +1050,6 @@ static gboolean photo_booth_screensaver_stop (PhotoBooth *pb)
gst_object_unref (pb->video_sink);
SEND_COMMAND (pb, CONTROL_UNPAUSE);
photo_booth_preview (pb);
return FALSE;
}
@ -1082,7 +1083,6 @@ void photo_booth_background_clicked (GtkWidget *widget, GdkEventButton *event, P
{
gtk_widget_hide (GTK_WIDGET (priv->win->button_yes));
SEND_COMMAND (pb, CONTROL_UNPAUSE);
photo_booth_preview (pb);
break;
}
case PB_STATE_SCREENSAVER:
@ -1090,6 +1090,11 @@ void photo_booth_background_clicked (GtkWidget *widget, GdkEventButton *event, P
photo_booth_screensaver_stop (pb);
break;
}
case PB_STATE_NONE:
{
photo_booth_screensaver (pb);
break;
}
default:
break;
}

1
photobooth.h
View file

@ -68,7 +68,6 @@ typedef enum
CAPTURE_PRETRIGGER,
CAPTURE_PHOTO,
CAPTURE_PAUSED,
CAPTURE_UNPAUSE,
CAPTURE_FAILED,
CAPTURE_QUIT,
} PhotoboothCaptureThreadState;