2013-01-16 11:36:25 +00:00
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/* GStreamer SBC audio encoder
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2007-08-23 19:12:23 +00:00
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* BlueZ - Bluetooth protocol stack for Linux
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*
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2010-01-02 01:08:17 +00:00
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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2007-08-23 19:12:23 +00:00
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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2007-08-25 19:32:03 +00:00
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#include <string.h>
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2007-08-23 19:12:23 +00:00
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2007-10-18 21:46:49 +00:00
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#include "gstsbcutil.h"
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2008-12-23 04:25:50 +00:00
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#include "gstsbcenc.h"
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2007-10-18 21:46:49 +00:00
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2013-01-16 11:36:25 +00:00
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#include <gst/audio/audio.h>
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#define SBC_ENC_DEFAULT_CHANNEL_MODE SBC_MODE_AUTO
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2007-11-21 20:24:11 +00:00
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#define SBC_ENC_DEFAULT_BLOCKS 0
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#define SBC_ENC_DEFAULT_SUB_BANDS 0
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2013-01-16 11:36:25 +00:00
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#define SBC_ENC_DEFAULT_ALLOCATION_METHOD SBC_AM_AUTO
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2007-11-21 20:24:11 +00:00
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#define SBC_ENC_DEFAULT_RATE 0
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#define SBC_ENC_DEFAULT_CHANNELS 0
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2007-08-23 19:12:23 +00:00
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2008-02-01 19:28:37 +00:00
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#define SBC_ENC_BITPOOL_AUTO 1
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#define SBC_ENC_BITPOOL_MIN 2
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#define SBC_ENC_BITPOOL_MIN_STR "2"
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#define SBC_ENC_BITPOOL_MAX 64
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#define SBC_ENC_BITPOOL_MAX_STR "64"
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2007-08-23 19:12:23 +00:00
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GST_DEBUG_CATEGORY_STATIC (sbc_enc_debug);
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#define GST_CAT_DEFAULT sbc_enc_debug
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2013-01-16 11:36:25 +00:00
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#define GST_TYPE_SBC_CHANNEL_MODE (gst_sbc_channel_mode_get_type())
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2007-08-26 13:12:47 +00:00
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static GType
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2013-01-16 11:36:25 +00:00
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gst_sbc_channel_mode_get_type (void)
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2007-08-26 13:12:47 +00:00
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{
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2013-01-16 11:36:25 +00:00
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static GType sbc_channel_mode_type = 0;
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static GEnumValue sbc_channel_modes[] = {
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2008-02-19 19:49:24 +00:00
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{SBC_MODE_MONO, "Mono", "mono"},
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2013-01-16 11:36:25 +00:00
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{SBC_MODE_DUAL_CHANNEL, "Dual", "dual"},
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2008-02-19 19:49:24 +00:00
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{SBC_MODE_STEREO, "Stereo", "stereo"},
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{SBC_MODE_JOINT_STEREO, "Joint Stereo", "joint"},
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{SBC_MODE_AUTO, "Auto", "auto"},
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2007-08-26 13:12:47 +00:00
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{-1, NULL, NULL}
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};
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2013-01-16 11:36:25 +00:00
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if (!sbc_channel_mode_type) {
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sbc_channel_mode_type =
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g_enum_register_static ("GstSbcChannelMode", sbc_channel_modes);
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}
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2007-08-26 13:12:47 +00:00
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2013-01-16 11:36:25 +00:00
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return sbc_channel_mode_type;
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2007-08-26 13:12:47 +00:00
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}
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2013-01-16 11:36:25 +00:00
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#define GST_TYPE_SBC_ALLOCATION_METHOD (gst_sbc_allocation_method_get_type())
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2007-10-18 21:46:49 +00:00
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static GType
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2013-01-16 11:36:25 +00:00
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gst_sbc_allocation_method_get_type (void)
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2007-10-18 21:46:49 +00:00
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{
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2013-01-16 11:36:25 +00:00
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static GType sbc_allocation_method_type = 0;
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static GEnumValue sbc_allocation_methods[] = {
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2008-02-19 19:49:24 +00:00
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{SBC_AM_LOUDNESS, "Loudness", "loudness"},
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{SBC_AM_SNR, "SNR", "snr"},
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{SBC_AM_AUTO, "Auto", "auto"},
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2007-10-18 21:46:49 +00:00
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{-1, NULL, NULL}
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};
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2013-01-16 11:36:25 +00:00
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if (!sbc_allocation_method_type)
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sbc_allocation_method_type =
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g_enum_register_static ("GstSbcAllocationMethod",
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sbc_allocation_methods);
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2007-10-18 21:46:49 +00:00
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2013-01-16 11:36:25 +00:00
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return sbc_allocation_method_type;
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2007-10-18 21:46:49 +00:00
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}
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2008-02-01 19:28:37 +00:00
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#define GST_TYPE_SBC_BLOCKS (gst_sbc_blocks_get_type())
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static GType
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gst_sbc_blocks_get_type (void)
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{
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static GType sbc_blocks_type = 0;
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static GEnumValue sbc_blocks[] = {
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{0, "Auto", "auto"},
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{4, "4", "4"},
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{8, "8", "8"},
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{12, "12", "12"},
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{16, "16", "16"},
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{-1, NULL, NULL}
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};
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if (!sbc_blocks_type)
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sbc_blocks_type = g_enum_register_static ("GstSbcBlocks", sbc_blocks);
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return sbc_blocks_type;
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}
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#define GST_TYPE_SBC_SUBBANDS (gst_sbc_subbands_get_type())
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static GType
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gst_sbc_subbands_get_type (void)
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{
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static GType sbc_subbands_type = 0;
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static GEnumValue sbc_subbands[] = {
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{0, "Auto", "auto"},
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{4, "4 subbands", "4"},
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{8, "8 subbands", "8"},
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{-1, NULL, NULL}
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};
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if (!sbc_subbands_type)
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sbc_subbands_type = g_enum_register_static ("GstSbcSubbands", sbc_subbands);
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return sbc_subbands_type;
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}
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2007-08-26 13:12:47 +00:00
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enum
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{
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PROP_0,
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PROP_MODE,
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2007-10-18 21:46:49 +00:00
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PROP_ALLOCATION,
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PROP_BLOCKS,
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2008-02-01 19:28:37 +00:00
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PROP_SUBBANDS,
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PROP_BITPOOL
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2007-08-26 13:12:47 +00:00
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};
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2013-01-16 11:36:25 +00:00
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/* FIXME: rewrite based on GstAudioEncoder base class */
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#define parent_class gst_sbc_enc_parent_class
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G_DEFINE_TYPE (GstSbcEnc, gst_sbc_enc, GST_TYPE_ELEMENT);
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2007-08-23 19:12:23 +00:00
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2007-08-25 19:32:03 +00:00
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static GstStaticPadTemplate sbc_enc_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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2013-01-16 11:36:25 +00:00
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GST_STATIC_CAPS ("audio/x-raw, format=" GST_AUDIO_NE (S16) ", "
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2007-08-25 19:32:03 +00:00
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"rate = (int) { 16000, 32000, 44100, 48000 }, "
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2013-01-16 11:36:25 +00:00
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"channels = (int) [ 1, 2 ]"));
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2007-08-25 19:32:03 +00:00
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static GstStaticPadTemplate sbc_enc_src_factory =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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2007-08-26 13:12:47 +00:00
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GST_STATIC_CAPS ("audio/x-sbc, "
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"rate = (int) { 16000, 32000, 44100, 48000 }, "
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"channels = (int) [ 1, 2 ], "
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2013-01-16 11:36:25 +00:00
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"channel-mode = (string) { mono, dual, stereo, joint }, "
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2007-08-26 13:12:47 +00:00
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"blocks = (int) { 4, 8, 12, 16 }, "
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"subbands = (int) { 4, 8 }, "
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2013-01-16 11:36:25 +00:00
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"allocation-method = (string) { snr, loudness }, "
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2008-02-01 19:28:37 +00:00
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"bitpool = (int) [ " SBC_ENC_BITPOOL_MIN_STR
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", " SBC_ENC_BITPOOL_MAX_STR " ]"));
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2007-08-25 19:32:03 +00:00
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2007-11-21 20:24:11 +00:00
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2013-01-16 11:36:25 +00:00
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static gboolean gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps);
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static gboolean gst_sbc_enc_sink_event (GstPad * pad, GstObject * parent,
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GstEvent * event);
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/* FIXME does this make sense? */
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2007-10-18 21:46:49 +00:00
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static GstCaps *
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2007-11-21 20:24:11 +00:00
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sbc_enc_generate_srcpad_caps (GstSbcEnc * enc)
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2007-10-18 21:46:49 +00:00
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{
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GstCaps *src_caps;
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GstStructure *structure;
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2007-11-21 20:24:11 +00:00
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GEnumValue *enum_value;
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GEnumClass *enum_class;
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2008-01-23 13:14:02 +00:00
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GValue *value;
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2007-10-18 21:46:49 +00:00
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2007-11-21 20:24:11 +00:00
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src_caps = gst_caps_copy (gst_pad_get_pad_template_caps (enc->srcpad));
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structure = gst_caps_get_structure (src_caps, 0);
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2007-10-18 21:46:49 +00:00
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2013-01-16 11:36:25 +00:00
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/* FIXME: use gst_structure_set() */
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2008-01-23 13:14:02 +00:00
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value = g_new0 (GValue, 1);
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2007-11-21 20:24:11 +00:00
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if (enc->rate != 0)
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2008-01-23 13:14:02 +00:00
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gst_sbc_util_set_structure_int_param (structure, "rate", enc->rate, value);
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2007-11-21 20:24:11 +00:00
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if (enc->channels != 0)
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2008-01-23 13:14:02 +00:00
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gst_sbc_util_set_structure_int_param (structure, "channels",
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enc->channels, value);
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2007-11-21 20:24:11 +00:00
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if (enc->subbands != 0)
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2008-01-23 13:14:02 +00:00
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gst_sbc_util_set_structure_int_param (structure, "subbands",
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enc->subbands, value);
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2007-11-21 20:24:11 +00:00
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if (enc->blocks != 0)
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2008-01-23 13:14:02 +00:00
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gst_sbc_util_set_structure_int_param (structure, "blocks",
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enc->blocks, value);
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2007-11-21 20:24:11 +00:00
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2008-02-01 19:28:37 +00:00
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if (enc->bitpool != SBC_ENC_BITPOOL_AUTO)
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gst_sbc_util_set_structure_int_param (structure, "bitpool",
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enc->bitpool, value);
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2013-01-16 11:36:25 +00:00
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if (enc->mode != SBC_ENC_DEFAULT_CHANNEL_MODE) {
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enum_class = g_type_class_ref (GST_TYPE_SBC_CHANNEL_MODE);
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2007-11-21 20:24:11 +00:00
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enum_value = g_enum_get_value (enum_class, enc->mode);
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2013-01-16 11:36:25 +00:00
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gst_sbc_util_set_structure_string_param (structure, "channel-mode",
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2008-01-23 13:14:02 +00:00
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enum_value->value_nick, value);
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2007-11-21 20:24:11 +00:00
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g_type_class_unref (enum_class);
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}
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2008-02-19 19:49:24 +00:00
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if (enc->allocation != SBC_AM_AUTO) {
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2013-01-16 11:36:25 +00:00
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enum_class = g_type_class_ref (GST_TYPE_SBC_ALLOCATION_METHOD);
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2007-11-21 20:24:11 +00:00
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enum_value = g_enum_get_value (enum_class, enc->allocation);
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2013-01-16 11:36:25 +00:00
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gst_sbc_util_set_structure_string_param (structure, "allocation-method",
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2008-01-23 13:14:02 +00:00
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enum_value->value_nick, value);
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2007-11-21 20:24:11 +00:00
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g_type_class_unref (enum_class);
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}
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2008-01-23 13:14:02 +00:00
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g_free (value);
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2007-11-21 20:24:11 +00:00
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return src_caps;
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}
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static GstCaps *
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sbc_enc_src_getcaps (GstPad * pad)
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{
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GstSbcEnc *enc;
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enc = GST_SBC_ENC (GST_PAD_PARENT (pad));
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return sbc_enc_generate_srcpad_caps (enc);
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}
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static gboolean
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2013-01-16 11:36:25 +00:00
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sbc_enc_negotiate_output_caps (GstSbcEnc * enc, GstCaps * in_caps)
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2007-11-21 20:24:11 +00:00
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{
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2013-01-16 11:36:25 +00:00
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GstStructure *s;
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GstCaps *caps, *filter_caps;
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GstCaps *output_caps;
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2007-11-21 20:24:11 +00:00
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2013-01-16 11:36:25 +00:00
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GST_INFO_OBJECT (enc, "input caps %" GST_PTR_FORMAT, in_caps);
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2007-10-18 21:46:49 +00:00
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2008-02-01 19:28:37 +00:00
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caps = gst_pad_get_allowed_caps (enc->srcpad);
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if (caps == NULL)
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caps = sbc_enc_src_getcaps (enc->srcpad);
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2007-11-12 18:15:59 +00:00
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2007-11-21 20:24:11 +00:00
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if (caps == GST_CAPS_NONE || gst_caps_is_empty (caps)) {
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2013-01-16 11:36:25 +00:00
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gst_caps_unref (caps);
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return FALSE;
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2007-11-21 20:24:11 +00:00
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}
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2007-10-18 21:46:49 +00:00
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2013-01-16 11:36:25 +00:00
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/* fixate output caps */
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filter_caps = gst_caps_new_simple ("audio/x-sbc", "rate", G_TYPE_INT,
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enc->rate, "channels", G_TYPE_INT, enc->channels, NULL);
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output_caps = gst_caps_intersect (caps, filter_caps);
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gst_caps_unref (filter_caps);
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if (output_caps == NULL || gst_caps_is_empty (output_caps)) {
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GST_DEBUG_OBJECT (enc, "Couldn't negotiate output caps with input rate %d "
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"and input channels %d and allowed output caps %" GST_PTR_FORMAT,
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enc->rate, enc->channels, caps);
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if (output_caps)
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gst_caps_unref (output_caps);
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gst_caps_unref (caps);
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return FALSE;
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}
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2007-11-21 20:24:11 +00:00
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gst_caps_unref (caps);
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2007-10-18 22:46:12 +00:00
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2013-01-16 11:36:25 +00:00
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GST_DEBUG_OBJECT (enc, "fixating caps %" GST_PTR_FORMAT, output_caps);
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output_caps = gst_caps_truncate (output_caps);
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s = gst_caps_get_structure (output_caps, 0);
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|
|
|
if (enc->channels == 1) {
|
|
|
|
if (!gst_structure_fixate_field_string (s, "channel-mode", "mono")) {
|
|
|
|
GST_DEBUG_OBJECT (enc, "Failed to fixate channel-mode to mono");
|
|
|
|
gst_caps_unref (output_caps);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (gst_structure_fixate_field_string (s, "channel-mode", "joint")
|
|
|
|
|| gst_structure_fixate_field_string (s, "channel-mode", "stereo")) {
|
|
|
|
gst_structure_fixate_field_string (s, "channel-mode", "dual");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_structure_fixate_field_nearest_int (s, "bitpool", 64);
|
|
|
|
gst_structure_fixate_field_nearest_int (s, "blocks", 16);
|
|
|
|
gst_structure_fixate_field_nearest_int (s, "subbands", 8);
|
|
|
|
gst_structure_fixate_field_string (s, "allocation-method", "loudness");
|
|
|
|
s = NULL;
|
|
|
|
|
|
|
|
/* in case there's anything else left to fixate */
|
|
|
|
output_caps = gst_caps_fixate (output_caps);
|
|
|
|
|
|
|
|
GST_INFO_OBJECT (enc, "output caps %" GST_PTR_FORMAT, output_caps);
|
|
|
|
if (!gst_sbc_enc_fill_sbc_params (enc, output_caps)) {
|
|
|
|
GST_WARNING_OBJECT (enc, "failed to configure encoder from output "
|
|
|
|
"caps %" GST_PTR_FORMAT, output_caps);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_pad_send_event (enc->sinkpad, gst_event_new_caps (output_caps));
|
|
|
|
gst_caps_unref (output_caps);
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
return TRUE;
|
2007-10-18 21:46:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
2013-01-16 11:36:25 +00:00
|
|
|
sbc_enc_sink_setcaps (GstSbcEnc * enc, GstCaps * caps)
|
2007-10-18 21:46:49 +00:00
|
|
|
{
|
|
|
|
GstStructure *structure;
|
2007-11-21 20:24:11 +00:00
|
|
|
gint rate, channels;
|
2007-10-18 21:46:49 +00:00
|
|
|
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
if (!gst_structure_get_int (structure, "rate", &rate))
|
2008-02-01 19:28:37 +00:00
|
|
|
return FALSE;
|
2007-11-21 20:24:11 +00:00
|
|
|
if (!gst_structure_get_int (structure, "channels", &channels))
|
2008-02-01 19:28:37 +00:00
|
|
|
return FALSE;
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
enc->rate = rate;
|
|
|
|
enc->channels = channels;
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
return sbc_enc_negotiate_output_caps (enc, caps);
|
|
|
|
}
|
2007-11-21 20:24:11 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
static gboolean
|
|
|
|
gst_sbc_enc_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (parent);
|
|
|
|
gboolean ret;
|
|
|
|
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
|
|
case GST_EVENT_CAPS:{
|
|
|
|
GstCaps *caps;
|
|
|
|
|
|
|
|
gst_event_parse_caps (event, &caps);
|
|
|
|
ret = sbc_enc_sink_setcaps (enc, caps);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
ret = gst_pad_event_default (pad, parent, event);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
2007-10-18 21:46:49 +00:00
|
|
|
}
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
/* configure encoder based on output caps */
|
|
|
|
static gboolean
|
2007-11-01 19:45:00 +00:00
|
|
|
gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps)
|
|
|
|
{
|
2008-02-01 19:28:37 +00:00
|
|
|
if (!gst_caps_is_fixed (caps)) {
|
2013-01-16 11:36:25 +00:00
|
|
|
GST_DEBUG_OBJECT (enc, "output caps %" GST_PTR_FORMAT " not fixed!", caps);
|
2008-02-01 19:28:37 +00:00
|
|
|
return FALSE;
|
|
|
|
}
|
2007-11-01 19:45:00 +00:00
|
|
|
|
2008-01-23 13:14:02 +00:00
|
|
|
if (!gst_sbc_util_fill_sbc_params (&enc->sbc, caps))
|
2007-11-01 19:45:00 +00:00
|
|
|
return FALSE;
|
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
if (enc->rate != 0 && gst_sbc_parse_rate_from_sbc (enc->sbc.frequency)
|
|
|
|
!= enc->rate)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
if (enc->channels != 0 && gst_sbc_get_channel_number (enc->sbc.mode)
|
|
|
|
!= enc->channels)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
if (enc->blocks != 0 && gst_sbc_parse_blocks_from_sbc (enc->sbc.blocks)
|
|
|
|
!= enc->blocks)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
if (enc->subbands != 0
|
|
|
|
&& gst_sbc_parse_subbands_from_sbc (enc->sbc.subbands) != enc->subbands)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
if (enc->mode != SBC_ENC_DEFAULT_CHANNEL_MODE && enc->sbc.mode != enc->mode)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
if (enc->allocation != SBC_AM_AUTO && enc->sbc.allocation != enc->allocation)
|
2008-02-01 19:28:37 +00:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
if (enc->bitpool != SBC_ENC_BITPOOL_AUTO && enc->sbc.bitpool != enc->bitpool)
|
|
|
|
goto fail;
|
|
|
|
|
2007-11-23 17:00:13 +00:00
|
|
|
enc->codesize = sbc_get_codesize (&enc->sbc);
|
|
|
|
enc->frame_length = sbc_get_frame_length (&enc->sbc);
|
2012-10-29 12:49:53 +00:00
|
|
|
enc->frame_duration = sbc_get_frame_duration (&enc->sbc) * 1000;
|
2008-02-01 19:28:37 +00:00
|
|
|
|
2008-02-19 19:49:24 +00:00
|
|
|
GST_DEBUG_OBJECT (enc, "codesize: %d, frame_length: %d, frame_duration:"
|
|
|
|
" %d", enc->codesize, enc->frame_length, enc->frame_duration);
|
2007-11-01 19:45:00 +00:00
|
|
|
|
|
|
|
return TRUE;
|
2008-02-01 19:28:37 +00:00
|
|
|
|
|
|
|
fail:
|
|
|
|
memset (&enc->sbc, 0, sizeof (sbc_t));
|
|
|
|
return FALSE;
|
2007-11-01 19:45:00 +00:00
|
|
|
}
|
|
|
|
|
2007-08-25 19:32:03 +00:00
|
|
|
static GstFlowReturn
|
2013-01-16 11:36:25 +00:00
|
|
|
sbc_enc_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
|
2007-08-25 19:32:03 +00:00
|
|
|
{
|
2013-01-16 11:36:25 +00:00
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (parent);
|
2007-11-01 19:45:00 +00:00
|
|
|
GstAdapter *adapter = enc->adapter;
|
2007-08-25 19:32:03 +00:00
|
|
|
GstFlowReturn res = GST_FLOW_OK;
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
if (enc->codesize == 0)
|
|
|
|
goto not_negotiated;
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
gst_adapter_push (adapter, buffer);
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
while (gst_adapter_available (adapter) >= enc->codesize) {
|
|
|
|
GstMapInfo out_map;
|
|
|
|
GstBuffer *outbuf;
|
2007-11-01 19:45:00 +00:00
|
|
|
const guint8 *data;
|
2008-02-19 19:49:24 +00:00
|
|
|
gint consumed;
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
outbuf = gst_buffer_new_and_alloc (enc->frame_length);
|
|
|
|
gst_buffer_map (outbuf, &out_map, GST_MAP_WRITE);
|
2007-11-12 18:15:59 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
data = gst_adapter_map (adapter, enc->codesize);
|
2008-02-19 19:49:24 +00:00
|
|
|
|
2007-11-23 17:00:13 +00:00
|
|
|
consumed = sbc_encode (&enc->sbc, (gpointer) data,
|
2013-01-16 11:36:25 +00:00
|
|
|
enc->codesize, out_map.data, out_map.size, NULL);
|
|
|
|
|
|
|
|
gst_adapter_unmap (adapter);
|
|
|
|
gst_buffer_unmap (outbuf, &out_map);
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
if (consumed <= 0) {
|
2013-01-16 11:36:25 +00:00
|
|
|
GST_DEBUG_OBJECT (enc, "consumed < 0, codesize: %d", enc->codesize);
|
|
|
|
gst_buffer_unref (outbuf);
|
2007-08-25 19:32:03 +00:00
|
|
|
break;
|
2007-11-01 19:45:00 +00:00
|
|
|
}
|
|
|
|
gst_adapter_flush (adapter, consumed);
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
/* FIXME: this is not right if we don't have a 1:1 mapping of
|
|
|
|
* input and output data */
|
|
|
|
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buffer);
|
2008-01-23 13:14:02 +00:00
|
|
|
/* we have only 1 frame */
|
2013-01-16 11:36:25 +00:00
|
|
|
GST_BUFFER_DURATION (outbuf) = enc->frame_duration;
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
res = gst_pad_push (enc->srcpad, outbuf);
|
2008-02-19 19:49:24 +00:00
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
if (res != GST_FLOW_OK)
|
2013-01-16 11:36:25 +00:00
|
|
|
break;
|
2007-08-25 19:32:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
2013-01-16 11:36:25 +00:00
|
|
|
|
|
|
|
not_negotiated:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (enc, "output caps not negotiated yet");
|
|
|
|
gst_buffer_unref (buffer);
|
|
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
|
|
}
|
2007-08-25 19:32:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static GstStateChangeReturn
|
|
|
|
sbc_enc_change_state (GstElement * element, GstStateChange transition)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (element);
|
|
|
|
|
|
|
|
switch (transition) {
|
|
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
|
|
GST_DEBUG ("Setup subband codec");
|
|
|
|
sbc_init (&enc->sbc, 0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
|
|
GST_DEBUG ("Finish subband codec");
|
|
|
|
sbc_finish (&enc->sbc);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
2007-08-25 19:32:03 +00:00
|
|
|
}
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
static void
|
2013-01-16 11:36:25 +00:00
|
|
|
gst_sbc_enc_finalize (GObject * object)
|
2007-11-01 19:45:00 +00:00
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (object);
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
if (enc->adapter != NULL) {
|
|
|
|
g_object_unref (enc->adapter);
|
|
|
|
enc->adapter = NULL;
|
|
|
|
}
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
2007-08-23 19:12:23 +00:00
|
|
|
}
|
|
|
|
|
2007-08-26 13:12:47 +00:00
|
|
|
static void
|
|
|
|
gst_sbc_enc_set_property (GObject * object, guint prop_id,
|
|
|
|
const GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (object);
|
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
/* changes to those properties will only happen on the next caps
|
|
|
|
* negotiation */
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2007-08-26 13:12:47 +00:00
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_MODE:
|
|
|
|
enc->mode = g_value_get_enum (value);
|
|
|
|
break;
|
2007-10-18 21:46:49 +00:00
|
|
|
case PROP_ALLOCATION:
|
|
|
|
enc->allocation = g_value_get_enum (value);
|
|
|
|
break;
|
|
|
|
case PROP_BLOCKS:
|
2008-02-01 19:28:37 +00:00
|
|
|
enc->blocks = g_value_get_enum (value);
|
2007-10-18 21:46:49 +00:00
|
|
|
break;
|
2007-10-18 22:46:12 +00:00
|
|
|
case PROP_SUBBANDS:
|
2008-02-01 19:28:37 +00:00
|
|
|
enc->subbands = g_value_get_enum (value);
|
|
|
|
break;
|
|
|
|
case PROP_BITPOOL:
|
|
|
|
enc->bitpool = g_value_get_int (value);
|
2007-10-18 21:46:49 +00:00
|
|
|
break;
|
2007-08-26 13:12:47 +00:00
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_sbc_enc_get_property (GObject * object, guint prop_id,
|
|
|
|
GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_MODE:
|
|
|
|
g_value_set_enum (value, enc->mode);
|
|
|
|
break;
|
2007-10-18 21:46:49 +00:00
|
|
|
case PROP_ALLOCATION:
|
|
|
|
g_value_set_enum (value, enc->allocation);
|
|
|
|
break;
|
|
|
|
case PROP_BLOCKS:
|
2008-02-01 19:28:37 +00:00
|
|
|
g_value_set_enum (value, enc->blocks);
|
2007-10-18 21:46:49 +00:00
|
|
|
break;
|
2007-10-18 22:46:12 +00:00
|
|
|
case PROP_SUBBANDS:
|
2008-02-01 19:28:37 +00:00
|
|
|
g_value_set_enum (value, enc->subbands);
|
|
|
|
break;
|
|
|
|
case PROP_BITPOOL:
|
|
|
|
g_value_set_int (value, enc->bitpool);
|
2007-10-18 21:46:49 +00:00
|
|
|
break;
|
2007-08-26 13:12:47 +00:00
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
static void
|
|
|
|
gst_sbc_enc_class_init (GstSbcEncClass * klass)
|
|
|
|
{
|
2007-08-26 13:12:47 +00:00
|
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
2007-08-25 19:32:03 +00:00
|
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
object_class->set_property = gst_sbc_enc_set_property;
|
|
|
|
object_class->get_property = gst_sbc_enc_get_property;
|
|
|
|
object_class->finalize = gst_sbc_enc_finalize;
|
2007-08-26 13:12:47 +00:00
|
|
|
|
2007-08-25 19:32:03 +00:00
|
|
|
element_class->change_state = GST_DEBUG_FUNCPTR (sbc_enc_change_state);
|
|
|
|
|
2007-08-26 13:12:47 +00:00
|
|
|
g_object_class_install_property (object_class, PROP_MODE,
|
2013-01-16 11:36:25 +00:00
|
|
|
g_param_spec_enum ("channel-mode", "Channel Mode",
|
|
|
|
"Channel mode", GST_TYPE_SBC_CHANNEL_MODE,
|
|
|
|
SBC_ENC_DEFAULT_CHANNEL_MODE, G_PARAM_READWRITE));
|
2007-10-18 21:46:49 +00:00
|
|
|
|
|
|
|
g_object_class_install_property (object_class, PROP_ALLOCATION,
|
2013-01-16 11:36:25 +00:00
|
|
|
g_param_spec_enum ("allocation-method", "Allocation Method",
|
|
|
|
"Allocation method", GST_TYPE_SBC_ALLOCATION_METHOD,
|
|
|
|
SBC_ENC_DEFAULT_ALLOCATION_METHOD, G_PARAM_READWRITE));
|
2007-10-18 21:46:49 +00:00
|
|
|
|
|
|
|
g_object_class_install_property (object_class, PROP_BLOCKS,
|
2008-02-01 19:28:37 +00:00
|
|
|
g_param_spec_enum ("blocks", "Blocks",
|
|
|
|
"Blocks", GST_TYPE_SBC_BLOCKS,
|
|
|
|
SBC_ENC_DEFAULT_BLOCKS, G_PARAM_READWRITE));
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2007-10-18 22:46:12 +00:00
|
|
|
g_object_class_install_property (object_class, PROP_SUBBANDS,
|
2008-02-01 19:28:37 +00:00
|
|
|
g_param_spec_enum ("subbands", "Sub bands",
|
|
|
|
"Number of sub bands", GST_TYPE_SBC_SUBBANDS,
|
2007-10-18 21:46:49 +00:00
|
|
|
SBC_ENC_DEFAULT_SUB_BANDS, G_PARAM_READWRITE));
|
2007-08-26 13:12:47 +00:00
|
|
|
|
2008-02-01 19:28:37 +00:00
|
|
|
g_object_class_install_property (object_class, PROP_BITPOOL,
|
|
|
|
g_param_spec_int ("bitpool", "Bitpool",
|
|
|
|
"Bitpool (use 1 for automatic selection)",
|
|
|
|
SBC_ENC_BITPOOL_AUTO, SBC_ENC_BITPOOL_MAX,
|
|
|
|
SBC_ENC_BITPOOL_AUTO, G_PARAM_READWRITE));
|
|
|
|
|
2013-01-16 11:36:25 +00:00
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
|
|
gst_static_pad_template_get (&sbc_enc_sink_factory));
|
|
|
|
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
|
|
gst_static_pad_template_get (&sbc_enc_src_factory));
|
|
|
|
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
|
|
"Bluetooth SBC audio encoder", "Codec/Encoder/Audio",
|
|
|
|
"Encode an SBC audio stream", "Marcel Holtmann <marcel@holtmann.org>");
|
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
GST_DEBUG_CATEGORY_INIT (sbc_enc_debug, "sbcenc", 0, "SBC encoding element");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2013-01-16 11:36:25 +00:00
|
|
|
gst_sbc_enc_init (GstSbcEnc * self)
|
2007-08-23 19:12:23 +00:00
|
|
|
{
|
2007-08-25 19:32:03 +00:00
|
|
|
self->sinkpad =
|
|
|
|
gst_pad_new_from_static_template (&sbc_enc_sink_factory, "sink");
|
2013-01-16 11:36:25 +00:00
|
|
|
gst_pad_set_event_function (self->sinkpad,
|
|
|
|
GST_DEBUG_FUNCPTR (gst_sbc_enc_sink_event));
|
2007-08-25 19:32:03 +00:00
|
|
|
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
|
|
|
|
|
|
|
|
self->srcpad = gst_pad_new_from_static_template (&sbc_enc_src_factory, "src");
|
2013-01-16 11:36:25 +00:00
|
|
|
#if 0
|
2007-11-21 20:24:11 +00:00
|
|
|
gst_pad_set_getcaps_function (self->srcpad,
|
|
|
|
GST_DEBUG_FUNCPTR (sbc_enc_src_getcaps));
|
2013-01-16 11:36:25 +00:00
|
|
|
#endif
|
2007-08-25 19:32:03 +00:00
|
|
|
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
|
2007-10-18 21:46:49 +00:00
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
gst_pad_set_chain_function (self->sinkpad, GST_DEBUG_FUNCPTR (sbc_enc_chain));
|
|
|
|
|
2007-10-18 21:46:49 +00:00
|
|
|
self->subbands = SBC_ENC_DEFAULT_SUB_BANDS;
|
|
|
|
self->blocks = SBC_ENC_DEFAULT_BLOCKS;
|
2013-01-16 11:36:25 +00:00
|
|
|
self->mode = SBC_ENC_DEFAULT_CHANNEL_MODE;
|
|
|
|
self->allocation = SBC_ENC_DEFAULT_ALLOCATION_METHOD;
|
2007-11-21 20:24:11 +00:00
|
|
|
self->rate = SBC_ENC_DEFAULT_RATE;
|
|
|
|
self->channels = SBC_ENC_DEFAULT_CHANNELS;
|
2008-02-01 19:28:37 +00:00
|
|
|
self->bitpool = SBC_ENC_BITPOOL_AUTO;
|
2007-11-01 19:45:00 +00:00
|
|
|
|
2008-01-23 13:14:02 +00:00
|
|
|
self->frame_length = 0;
|
|
|
|
self->frame_duration = 0;
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
self->adapter = gst_adapter_new ();
|
2007-08-23 19:12:23 +00:00
|
|
|
}
|
2008-01-23 13:14:02 +00:00
|
|
|
|
|
|
|
gboolean
|
|
|
|
gst_sbc_enc_plugin_init (GstPlugin * plugin)
|
|
|
|
{
|
|
|
|
return gst_element_register (plugin, "sbcenc",
|
|
|
|
GST_RANK_NONE, GST_TYPE_SBC_ENC);
|
|
|
|
}
|