Initial version.

This commit is contained in:
Xavi Artigas 2012-06-26 18:21:52 +02:00
parent bdc179a654
commit 5b0195b360
4 changed files with 165 additions and 0 deletions

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@ -0,0 +1,54 @@
#include <gst/gst.h>
int main(int argc, char *argv[]) {
GstElement *pipeline, *bin, *equalizer, *sink;
GstPad *pad, *ghost_pad;
GstBus *bus;
GstMessage *msg;
/* Initialize GStreamer */
gst_init (&argc, &argv);
/* Build the pipeline */
pipeline = gst_parse_launch ("playbin2 uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL);
/* Create the elements inside the sink bin */
equalizer = gst_element_factory_make ("equalizer-3bands", "equalizer");
sink = gst_element_factory_make ("autoaudiosink", "audio_sink");
if (!equalizer || !sink) {
g_printerr ("Not all elements could be created.\n");
return -1;
}
/* Create the sink bin, add the elements and link them */
bin = gst_bin_new ("audio_sink_bin");
gst_bin_add_many (GST_BIN (bin), equalizer, sink, NULL);
gst_element_link (equalizer, sink);
pad = gst_element_get_static_pad (equalizer, "sink");
ghost_pad = gst_ghost_pad_new ("sink", pad);
gst_pad_set_active (ghost_pad, TRUE);
gst_element_add_pad (bin, ghost_pad);
gst_object_unref (pad);
/* Configure the equalizer */
g_object_set (G_OBJECT (equalizer), "band1", (gdouble)-24.0, NULL);
g_object_set (G_OBJECT (equalizer), "band2", (gdouble)-24.0, NULL);
/* Set playbin2's audio sink to be our sink bin */
g_object_set (GST_OBJECT (pipeline), "audio-sink", bin, NULL);
/* Start playing */
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* Wait until error or EOS */
bus = gst_element_get_bus (pipeline);
msg = gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
/* Free resources */
if (msg != NULL)
gst_message_unref (msg);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}

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@ -0,0 +1,6 @@
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View file

@ -33,6 +33,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "playback-tutorial-5", "play
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@ -169,6 +171,14 @@ Global
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