1 | /* GStreamer |
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2 | * Copyright (C) 2004 Wim Taymans <wim@fluendo.com> |
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3 | * |
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4 | * This library is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU General Public |
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6 | * License as published by the Free Software Foundation; either |
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7 | * version 2 of the License, or (at your option) any later version. |
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8 | * |
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9 | * This library is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 | * General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public |
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15 | * License along with this library; if not, write to the Free |
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16 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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17 | */ |
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18 | |
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19 | #include <unistd.h> |
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20 | |
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21 | #include <gst/gst.h> |
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22 | |
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23 | static gboolean handoff; |
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24 | |
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25 | static void |
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26 | handoff_identity1 (GstElement * element) |
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27 | { |
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28 | g_print ("identity1 handoff\n"); |
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29 | handoff = TRUE; |
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30 | } |
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31 | |
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32 | static void |
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33 | handoff_identity2 (GstElement * element) |
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34 | { |
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35 | g_print ("identity2 handoff\n"); |
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36 | handoff = TRUE; |
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37 | } |
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38 | |
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39 | gint |
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40 | main (gint argc, gchar ** argv) |
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41 | { |
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42 | GstElement *pipeline, *src, *sink, *id1, *id2; |
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43 | |
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44 | gst_init (&argc, &argv); |
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45 | |
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46 | g_print ("setting up...\n"); |
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47 | /* setup pipeline */ |
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48 | pipeline = gst_element_factory_make ("pipeline", NULL); |
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49 | g_assert (pipeline); |
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50 | src = gst_element_factory_make ("fakesrc", NULL); |
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51 | g_assert (src); |
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52 | id1 = gst_element_factory_make ("identity", NULL); |
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53 | g_assert (id1); |
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54 | g_object_set (G_OBJECT (id1), "loop-based", TRUE, NULL); |
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55 | g_object_set (G_OBJECT (id1), "duplicate", 3, NULL); |
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56 | g_signal_connect (G_OBJECT (id1), "handoff", (GCallback) handoff_identity1, |
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57 | NULL); |
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58 | |
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59 | id2 = gst_element_factory_make ("identity", NULL); |
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60 | g_assert (id2); |
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61 | g_object_set (G_OBJECT (id2), "loop-based", TRUE, NULL); |
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62 | g_signal_connect (G_OBJECT (id2), "handoff", (GCallback) handoff_identity2, |
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63 | NULL); |
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64 | |
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65 | sink = gst_element_factory_make ("fakesink", NULL); |
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66 | g_assert (sink); |
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67 | |
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68 | gst_bin_add_many (GST_BIN (pipeline), src, id1, id2, sink, NULL); |
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69 | |
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70 | gst_element_link_pads (src, "src", id1, "sink"); |
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71 | gst_element_link_pads (id1, "src", id2, "sink"); |
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72 | gst_element_link_pads (id2, "src", sink, "sink"); |
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73 | |
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74 | if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS) |
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75 | g_assert_not_reached (); |
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76 | |
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77 | g_print ("running...\n"); |
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78 | gst_bin_iterate (GST_BIN (pipeline)); |
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79 | gst_bin_iterate (GST_BIN (pipeline)); |
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80 | gst_bin_iterate (GST_BIN (pipeline)); |
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81 | |
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82 | /* do ugly stuff here */ |
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83 | gst_object_ref (GST_OBJECT (id1)); |
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84 | gst_bin_remove (GST_BIN (pipeline), id1); |
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85 | gst_element_link_pads (src, "src", id1, "sink"); |
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86 | gst_element_link_pads (id1, "src", id2, "sink"); |
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87 | |
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88 | gst_bin_iterate (GST_BIN (pipeline)); |
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89 | gst_bin_iterate (GST_BIN (pipeline)); |
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90 | gst_bin_iterate (GST_BIN (pipeline)); |
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91 | gst_bin_iterate (GST_BIN (pipeline)); |
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92 | gst_bin_iterate (GST_BIN (pipeline)); |
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93 | |
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94 | g_print ("cleaning up...\n"); |
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95 | gst_object_unref (GST_OBJECT (pipeline)); |
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96 | src = id1 = id2 = sink = pipeline = NULL; |
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97 | |
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98 | g_print ("done.\n"); |
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99 | return 0; |
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100 | } |
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