git.maemo.org Git - mafwsubrenderer/blob - gst-plugins-base-subtitles0.10/ext/vorbis/gstvorbiscommon.c

   1 /* GStreamer
   2  * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "gstvorbiscommon.h"
  25
  26 /* http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-800004.3.9 */
  27 const GstAudioChannelPosition gst_vorbis_channel_positions[][8] = {
  28   {                             /* Mono */
  29       GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
  30   {                             /* Stereo */
  31         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  32       GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
  33   {                             /* Stereo + Centre */
  34         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  35         GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
  36       GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
  37   {                             /* Quadraphonic */
  38         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  39         GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
  40         GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
  41         GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
  42       },
  43   {                             /* Stereo + Centre + rear stereo */
  44         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  45         GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
  46         GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
  47         GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
  48         GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
  49       },
  50   {                             /* Full 5.1 Surround */
  51         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  52         GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
  53         GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
  54         GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
  55         GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
  56         GST_AUDIO_CHANNEL_POSITION_LFE,
  57       },
  58   {                             /* 6.1 Surround, in Vorbis spec since 2010-01-13 */
  59         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  60         GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
  61         GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
  62         GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
  63         GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
  64         GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
  65       GST_AUDIO_CHANNEL_POSITION_LFE},
  66   {                             /* 7.1 Surround, in Vorbis spec since 2010-01-13 */
  67         GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
  68         GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
  69         GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
  70         GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
  71         GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
  72         GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
  73         GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
  74       GST_AUDIO_CHANNEL_POSITION_LFE},
  75 };