gstreamer/tests/examples/audio/testchannels.c

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/* GStreamer Multichannel Test
* (c) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gst/audio/multichannel.h>
#include <gst/audio/audio-enumtypes.h>
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gint
main (gint argc, gchar * argv[])
{
gchar *str;
GstCaps *caps;
GstAudioChannelPosition pos[2] = { GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
};
/* register multichannel type */
gst_init (&argc, &argv);
gst_audio_channel_position_get_type ();
/* test some caps-string conversions */
caps = gst_caps_new_simple ("audio/x-raw-int",
"channels", G_TYPE_INT, 2, NULL);
str = gst_caps_to_string (caps);
g_print ("Test caps #1: %s\n", str);
g_free (str);
gst_audio_set_channel_positions (gst_caps_get_structure (caps, 0), pos);
str = gst_caps_to_string (caps);
g_print ("Test caps #2: %s\n", str);
g_free (str);
gst_caps_unref (caps);
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return 0;
}