/* GStreamer * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include <stdio.h> #include <string.h> #include "gstopuscommon.h" /* http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-800004.3.9 */ /* copy of the same structure in the vorbis plugin */ const GstAudioChannelPosition gst_opus_channel_positions[][8] = { { /* Mono */ GST_AUDIO_CHANNEL_POSITION_MONO}, { /* Stereo */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, { /* Stereo + Centre */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, { /* Quadraphonic */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, }, { /* Stereo + Centre + rear stereo */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, }, { /* Full 5.1 Surround */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, GST_AUDIO_CHANNEL_POSITION_LFE1, }, { /* 6.1 Surround, in Vorbis spec since 2010-01-13 */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_CENTER, GST_AUDIO_CHANNEL_POSITION_LFE1}, { /* 7.1 Surround, in Vorbis spec since 2010-01-13 */ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT, GST_AUDIO_CHANNEL_POSITION_LFE1}, }; const char *gst_opus_channel_names[] = { "mono", "front left", "front right", "rear center", "rear left", "rear right", "lfe", "front center", "front left of center", "front right of center", "side left", "side right", "none" }; void gst_opus_common_log_channel_mapping_table (GstElement * element, GstDebugCategory * category, const char *msg, int n_channels, const guint8 * table) { char s[8 + 256 * 4] = "[ "; /* enough for 256 times "255 " at most */ int n; for (n = 0; n < n_channels; ++n) { size_t len = strlen (s); snprintf (s + len, sizeof (s) - len, "%d ", table[n]); } strcat (s, "]"); GST_CAT_LEVEL_LOG (category, GST_LEVEL_INFO, element, "%s: %s", msg, s); }