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1 /* GStreamer |
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2 * Copyright (C) 2003 Julien Moutte <julien@moutte.net> |
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3 * Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net> |
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4 * Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.com>) |
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5 * |
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6 * This library is free software; you can redistribute it and/or |
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7 * modify it under the terms of the GNU Library General Public |
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8 * License as published by the Free Software Foundation; either |
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9 * version 2 of the License, or (at your option) any later version. |
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10 * |
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11 * This library is distributed in the hope that it will be useful, |
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * Library General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU Library General Public |
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17 * License along with this library; if not, write to the |
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18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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19 * Boston, MA 02111-1307, USA. |
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20 */ |
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21 |
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22 #ifndef __GST_INPUT_SELECTOR_H__ |
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23 #define __GST_INPUT_SELECTOR_H__ |
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24 |
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25 #include <gst/gst.h> |
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26 |
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27 G_BEGIN_DECLS |
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28 |
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29 #define GST_TYPE_INPUT_SELECTOR \ |
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30 (gst_input_selector_get_type()) |
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31 #define GST_INPUT_SELECTOR(obj) \ |
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32 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INPUT_SELECTOR, GstInputSelector)) |
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33 #define GST_INPUT_SELECTOR_CLASS(klass) \ |
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34 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_INPUT_SELECTOR, GstInputSelectorClass)) |
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35 #define GST_IS_INPUT_SELECTOR(obj) \ |
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36 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INPUT_SELECTOR)) |
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37 #define GST_IS_INPUT_SELECTOR_CLASS(klass) \ |
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38 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_INPUT_SELECTOR)) |
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39 |
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40 typedef struct _GstInputSelector GstInputSelector; |
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41 typedef struct _GstInputSelectorClass GstInputSelectorClass; |
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42 |
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43 #define GST_INPUT_SELECTOR_GET_LOCK(sel) (((GstInputSelector*)(sel))->lock) |
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44 #define GST_INPUT_SELECTOR_GET_COND(sel) (((GstInputSelector*)(sel))->cond) |
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45 #define GST_INPUT_SELECTOR_LOCK(sel) (g_mutex_lock (GST_INPUT_SELECTOR_GET_LOCK(sel))) |
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46 #define GST_INPUT_SELECTOR_UNLOCK(sel) (g_mutex_unlock (GST_INPUT_SELECTOR_GET_LOCK(sel))) |
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47 #define GST_INPUT_SELECTOR_WAIT(sel) (g_cond_wait (GST_INPUT_SELECTOR_GET_COND(sel), \ |
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48 GST_INPUT_SELECTOR_GET_LOCK(sel))) |
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49 #define GST_INPUT_SELECTOR_BROADCAST(sel) (g_cond_broadcast (GST_INPUT_SELECTOR_GET_COND(sel))) |
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50 |
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51 struct _GstInputSelector { |
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52 GstElement element; |
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53 |
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54 GstPad *srcpad; |
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55 |
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56 GstPad *active_sinkpad; |
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57 guint n_pads; |
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58 guint padcount; |
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59 |
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60 GstSegment segment; /* the output segment */ |
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61 gboolean pending_close; /* if we should push a close first */ |
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62 |
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63 GMutex *lock; |
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64 GCond *cond; |
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65 gboolean blocked; |
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66 gboolean flushing; |
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67 |
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68 /* select all mode, send data from all input pads forward */ |
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69 gboolean select_all; |
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70 }; |
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71 |
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72 struct _GstInputSelectorClass { |
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73 GstElementClass parent_class; |
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74 |
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75 gint64 (*block) (GstInputSelector *self); |
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76 void (*switch_) (GstInputSelector *self, GstPad *pad, |
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77 gint64 stop_time, gint64 start_time); |
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78 }; |
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79 |
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80 GType gst_input_selector_get_type (void); |
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81 GType gst_selector_pad_get_type (void); |
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82 |
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83 G_END_DECLS |
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84 |
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85 #endif /* __GST_INPUT_SELECTOR_H__ */ |