2007-08-23 19:12:23 +00:00
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/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
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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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2007-11-21 20:24:11 +00:00
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#include "ipc.h"
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2007-08-23 19:12:23 +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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#include "gstsbcutil.h"
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2007-11-21 20:24:11 +00:00
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#define SBC_ENC_DEFAULT_MODE BT_A2DP_CHANNEL_MODE_AUTO
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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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#define SBC_ENC_DEFAULT_BITPOOL 0
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#define SBC_ENC_DEFAULT_ALLOCATION BT_A2DP_ALLOCATION_AUTO
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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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GST_DEBUG_CATEGORY_STATIC (sbc_enc_debug);
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#define GST_CAT_DEFAULT sbc_enc_debug
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2007-08-26 13:12:47 +00:00
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#define GST_TYPE_SBC_MODE (gst_sbc_mode_get_type())
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static GType
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gst_sbc_mode_get_type (void)
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{
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static GType sbc_mode_type = 0;
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static GEnumValue sbc_modes[] = {
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{0, "Auto", "auto"},
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{1, "Mono", "mono"},
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{2, "Dual Channel", "dual"},
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{3, "Stereo", "stereo"},
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{4, "Joint Stereo", "joint"},
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{-1, NULL, NULL}
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};
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if (!sbc_mode_type)
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sbc_mode_type = g_enum_register_static ("GstSbcMode", sbc_modes);
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return sbc_mode_type;
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}
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2007-10-18 21:46:49 +00:00
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#define GST_TYPE_SBC_ALLOCATION (gst_sbc_allocation_get_type())
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static GType
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gst_sbc_allocation_get_type (void)
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{
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static GType sbc_allocation_type = 0;
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static GEnumValue sbc_allocations[] = {
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2007-11-21 20:24:11 +00:00
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{BT_A2DP_ALLOCATION_AUTO, "Auto", "auto"},
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{BT_A2DP_ALLOCATION_LOUDNESS, "Loudness", "loudness"},
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{BT_A2DP_ALLOCATION_SNR, "SNR", "snr"},
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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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if (!sbc_allocation_type)
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sbc_allocation_type =
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g_enum_register_static ("GstSbcAllocation", sbc_allocations);
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return sbc_allocation_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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2007-10-18 22:46:12 +00:00
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PROP_SUBBANDS
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2007-08-26 13:12:47 +00:00
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};
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2007-08-23 19:12:23 +00:00
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GST_BOILERPLATE (GstSbcEnc, gst_sbc_enc, GstElement, GST_TYPE_ELEMENT);
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static const GstElementDetails sbc_enc_details =
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GST_ELEMENT_DETAILS ("Bluetooth SBC encoder",
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"Codec/Encoder/Audio",
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"Encode a SBC audio stream",
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"Marcel Holtmann <marcel@holtmann.org>");
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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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GST_STATIC_CAPS ("audio/x-raw-int, "
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"rate = (int) { 16000, 32000, 44100, 48000 }, "
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"channels = (int) [ 1, 2 ], "
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2007-08-27 14:10:00 +00:00
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"endianness = (int) LITTLE_ENDIAN, "
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2007-08-25 19:32:03 +00:00
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"signed = (boolean) true, " "width = (int) 16, " "depth = (int) 16"));
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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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"mode = (string) { mono, dual, stereo, joint }, "
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"blocks = (int) { 4, 8, 12, 16 }, "
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"subbands = (int) { 4, 8 }, "
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2007-10-29 15:02:26 +00:00
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"allocation = (string) { snr, loudness },"
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"bitpool = (int) [ 2, 64 ]"));
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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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gboolean gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps);
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static void
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sbc_enc_set_structure_int_param (GstSbcEnc * enc,
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GstStructure * structure, const gchar * field, gint field_value)
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{
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GValue *value;
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value = g_new0 (GValue, 1);
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value = g_value_init (value, G_TYPE_INT);
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g_value_set_int (value, field_value);
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gst_structure_set_value (structure, field, value);
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g_free (value);
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}
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static void
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sbc_enc_set_structure_string_param (GstSbcEnc * enc,
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GstStructure * structure, const gchar * field, const gchar * field_value)
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{
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GValue *value;
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value = g_new0 (GValue, 1);
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value = g_value_init (value, G_TYPE_STRING);
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g_value_set_string (value, field_value);
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gst_structure_set_value (structure, field, value);
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g_free (value);
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}
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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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gchar *temp;
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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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2007-11-21 20:24:11 +00:00
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if (enc->rate != 0)
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sbc_enc_set_structure_int_param (enc, structure, "rate", enc->rate);
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if (enc->channels != 0)
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sbc_enc_set_structure_int_param (enc, structure, "channels", enc->channels);
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if (enc->subbands != 0)
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sbc_enc_set_structure_int_param (enc, structure, "subbands", enc->subbands);
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if (enc->blocks != 0)
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sbc_enc_set_structure_int_param (enc, structure, "blocks", enc->blocks);
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if (enc->mode != BT_A2DP_CHANNEL_MODE_AUTO) {
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enum_class = g_type_class_ref (GST_TYPE_SBC_MODE);
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enum_value = g_enum_get_value (enum_class, enc->mode);
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sbc_enc_set_structure_string_param (enc, structure, "mode",
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enum_value->value_nick);
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g_type_class_unref (enum_class);
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}
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if (enc->allocation != BT_A2DP_ALLOCATION_AUTO) {
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enum_class = g_type_class_ref (GST_TYPE_SBC_ALLOCATION);
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enum_value = g_enum_get_value (enum_class, enc->allocation);
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sbc_enc_set_structure_string_param (enc, structure, "allocation",
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enum_value->value_nick);
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g_type_class_unref (enum_class);
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}
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temp = gst_caps_to_string (src_caps);
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GST_DEBUG_OBJECT (enc, "Srcpad caps: %s", temp);
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g_free (temp);
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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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sbc_enc_src_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstCaps *srcpad_caps;
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GstCaps *temp_caps;
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gboolean res = TRUE;
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GstSbcEnc *enc = GST_SBC_ENC (GST_PAD_PARENT (pad));
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GST_LOG_OBJECT (enc, "setting srcpad caps");
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srcpad_caps = sbc_enc_generate_srcpad_caps (enc);
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temp_caps = gst_caps_intersect (srcpad_caps, caps);
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if (temp_caps == GST_CAPS_NONE)
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res = FALSE;
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gst_caps_unref (temp_caps);
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gst_caps_unref (srcpad_caps);
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g_return_val_if_fail (res, FALSE);
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return gst_sbc_enc_fill_sbc_params (enc, caps);
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}
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static GstCaps *
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sbc_enc_src_caps_fixate (GstSbcEnc * enc, GstCaps * caps)
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{
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gchar *error_message = NULL;
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GstCaps *result;
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result = gst_sbc_util_caps_fixate (caps, &error_message);
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if (!result) {
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GST_ERROR_OBJECT (enc, "Invalid input caps caused parsing "
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"error: %s", error_message);
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g_free (error_message);
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2007-10-18 21:46:49 +00:00
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return NULL;
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2007-11-21 20:24:11 +00:00
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}
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return result;
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}
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static GstCaps *
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sbc_enc_get_fixed_srcpad_caps (GstSbcEnc * enc)
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{
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GstCaps *peer_caps;
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GstCaps *src_caps;
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GstCaps *caps;
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gboolean res = TRUE;
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GstCaps *result_caps = NULL;
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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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peer_caps = gst_pad_peer_get_caps (enc->srcpad);
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if (!peer_caps)
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return NULL;
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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 = sbc_enc_generate_srcpad_caps (enc);
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caps = gst_caps_intersect (src_caps, peer_caps);
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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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res = FALSE;
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goto done;
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}
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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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result_caps = sbc_enc_src_caps_fixate (enc, caps);
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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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done:
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2007-10-29 15:02:26 +00:00
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2007-11-21 20:24:11 +00:00
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gst_caps_unref (src_caps);
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gst_caps_unref (peer_caps);
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gst_caps_unref (caps);
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2007-10-18 22:46:12 +00:00
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2007-11-21 20:24:11 +00:00
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if (!res)
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return NULL;
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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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return result_caps;
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2007-10-18 21:46:49 +00:00
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}
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static gboolean
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sbc_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstSbcEnc *enc;
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GstStructure *structure;
|
2007-11-21 20:24:11 +00:00
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GstCaps *src_caps;
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gint rate, channels;
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gboolean res;
|
2007-10-18 21:46:49 +00:00
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enc = GST_SBC_ENC (GST_PAD_PARENT (pad));
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structure = gst_caps_get_structure (caps, 0);
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2007-11-21 20:24:11 +00:00
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if (!gst_structure_get_int (structure, "rate", &rate))
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goto error;
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if (!gst_structure_get_int (structure, "channels", &channels))
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2007-10-18 21:46:49 +00:00
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goto error;
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2007-11-21 20:24:11 +00:00
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enc->rate = rate;
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enc->channels = channels;
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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 = sbc_enc_get_fixed_srcpad_caps (enc);
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if (!src_caps)
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goto error;
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res = gst_pad_set_caps (enc->srcpad, src_caps);
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gst_caps_unref (src_caps);
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return res;
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2007-10-18 21:46:49 +00:00
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error:
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GST_ERROR_OBJECT (enc, "invalid input caps");
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return FALSE;
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}
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|
2007-11-01 19:45:00 +00:00
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gboolean
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gst_sbc_enc_fill_sbc_params (GstSbcEnc * enc, GstCaps * caps)
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{
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GstStructure *structure;
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|
gint rate, channels, subbands, blocks, bitpool;
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|
|
const gchar *mode;
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|
|
|
const gchar *allocation;
|
|
|
|
|
|
|
|
g_assert (gst_caps_is_fixed (caps));
|
|
|
|
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
|
|
|
|
if (!gst_structure_get_int (structure, "rate", &rate))
|
|
|
|
return FALSE;
|
|
|
|
if (!gst_structure_get_int (structure, "channels", &channels))
|
|
|
|
return FALSE;
|
|
|
|
if (!gst_structure_get_int (structure, "subbands", &subbands))
|
|
|
|
return FALSE;
|
|
|
|
if (!gst_structure_get_int (structure, "blocks", &blocks))
|
|
|
|
return FALSE;
|
|
|
|
if (!gst_structure_get_int (structure, "bitpool", &bitpool))
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
if (!(mode = gst_structure_get_string (structure, "mode")))
|
|
|
|
return FALSE;
|
|
|
|
if (!(allocation = gst_structure_get_string (structure, "allocation")))
|
|
|
|
return FALSE;
|
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
enc->rate = enc->sbc.rate = rate;
|
|
|
|
enc->channels = enc->sbc.channels = channels;
|
|
|
|
enc->blocks = enc->sbc.blocks = blocks;
|
|
|
|
enc->subbands = enc->sbc.subbands = subbands;
|
2007-11-01 19:45:00 +00:00
|
|
|
enc->sbc.bitpool = bitpool;
|
2007-11-21 20:24:11 +00:00
|
|
|
enc->mode = enc->sbc.joint = gst_sbc_get_mode_int (mode);
|
|
|
|
enc->allocation = enc->sbc.allocation =
|
|
|
|
gst_sbc_get_allocation_mode_int (allocation);
|
2007-11-01 19:45:00 +00:00
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_sbc_enc_change_caps (GstSbcEnc * enc, GstCaps * caps)
|
|
|
|
{
|
|
|
|
GST_INFO_OBJECT (enc, "Changing srcpad caps (renegotiation)");
|
|
|
|
|
|
|
|
if (!gst_pad_accept_caps (enc->srcpad, caps)) {
|
|
|
|
GST_WARNING_OBJECT (enc, "Src pad refused caps");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!gst_sbc_enc_fill_sbc_params (enc, caps)) {
|
|
|
|
GST_ERROR_OBJECT (enc, "couldn't get sbc parameters from caps");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2007-08-25 19:32:03 +00:00
|
|
|
static GstFlowReturn
|
|
|
|
sbc_enc_chain (GstPad * pad, GstBuffer * buffer)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (gst_pad_get_parent (pad));
|
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;
|
2007-11-12 18:15:59 +00:00
|
|
|
gint codesize, frame_len;
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2007-11-12 18:15:59 +00:00
|
|
|
codesize = sbc_get_codesize (&enc->sbc);
|
|
|
|
frame_len = sbc_get_frame_length (&enc->sbc);
|
2007-11-01 19:45:00 +00:00
|
|
|
gst_adapter_push (adapter, buffer);
|
2007-08-25 19:32:03 +00:00
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
while (gst_adapter_available (adapter) >= codesize && res == GST_FLOW_OK) {
|
2007-08-25 19:32:03 +00:00
|
|
|
GstBuffer *output;
|
|
|
|
GstCaps *caps;
|
2007-11-01 19:45:00 +00:00
|
|
|
const guint8 *data;
|
2007-08-25 19:32:03 +00:00
|
|
|
int consumed;
|
|
|
|
|
2007-11-12 18:15:59 +00:00
|
|
|
caps = GST_PAD_CAPS (enc->srcpad);
|
|
|
|
|
|
|
|
res = gst_pad_alloc_buffer_and_set_caps (enc->srcpad,
|
|
|
|
GST_BUFFER_OFFSET_NONE, frame_len, caps, &output);
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
data = gst_adapter_peek (adapter, codesize);
|
2007-11-12 18:15:59 +00:00
|
|
|
consumed = sbc_encode (&enc->sbc, (gpointer) data, codesize,
|
|
|
|
GST_BUFFER_DATA (output), frame_len, NULL);
|
2007-11-01 19:45:00 +00:00
|
|
|
if (consumed <= 0) {
|
|
|
|
GST_ERROR ("comsumed < 0, codesize: %d", codesize);
|
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
|
|
|
|
|
|
|
if (res != GST_FLOW_OK)
|
|
|
|
goto done;
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
if (!gst_caps_is_equal (caps, GST_BUFFER_CAPS (output)))
|
|
|
|
if (!gst_sbc_enc_change_caps (enc, GST_BUFFER_CAPS (output))) {
|
|
|
|
res = GST_FLOW_ERROR;
|
|
|
|
GST_ERROR_OBJECT (enc, "couldn't renegotiate caps");
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
2007-11-01 13:56:51 +00:00
|
|
|
GST_BUFFER_TIMESTAMP (output) = GST_BUFFER_TIMESTAMP (buffer);
|
2007-08-25 19:32:03 +00:00
|
|
|
|
|
|
|
res = gst_pad_push (enc->srcpad, output);
|
2007-11-21 20:24:11 +00:00
|
|
|
if (res != GST_FLOW_OK)
|
2007-08-25 19:32:03 +00:00
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
done:
|
|
|
|
gst_object_unref (enc);
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
return parent_class->change_state (element, transition);
|
|
|
|
}
|
|
|
|
|
2007-11-01 19:45:00 +00:00
|
|
|
static void
|
|
|
|
gst_sbc_enc_dispose (GObject * object)
|
|
|
|
{
|
|
|
|
GstSbcEnc *enc = GST_SBC_ENC (object);
|
|
|
|
|
|
|
|
if (enc->adapter != NULL)
|
|
|
|
g_object_unref (G_OBJECT (enc->adapter));
|
|
|
|
|
|
|
|
enc->adapter = NULL;
|
|
|
|
}
|
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
static void
|
|
|
|
gst_sbc_enc_base_init (gpointer g_class)
|
|
|
|
{
|
|
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
|
2007-08-25 19:32:03 +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));
|
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
gst_element_class_set_details (element_class, &sbc_enc_details);
|
|
|
|
}
|
|
|
|
|
2007-11-21 20:24:11 +00:00
|
|
|
static gboolean
|
|
|
|
sbc_enc_set_blocks (GstSbcEnc * enc, gint value)
|
|
|
|
{
|
|
|
|
if (value != 4 && value != 8 && value != 12 && value != 16 && value != 0)
|
|
|
|
return FALSE;
|
|
|
|
enc->blocks = value;
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
sbc_enc_set_subbands (GstSbcEnc * enc, gint value)
|
|
|
|
{
|
|
|
|
if (value != 4 && value != 8 && value != 0)
|
|
|
|
return FALSE;
|
|
|
|
enc->subbands = value;
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
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:
|
2007-11-21 20:24:11 +00:00
|
|
|
if (!sbc_enc_set_blocks (enc, g_value_get_int (value)))
|
|
|
|
GST_WARNING_OBJECT (enc, "invalid value %d for "
|
|
|
|
"blocks property", g_value_get_int (value));
|
2007-10-18 21:46:49 +00:00
|
|
|
break;
|
2007-10-18 22:46:12 +00:00
|
|
|
case PROP_SUBBANDS:
|
2007-11-21 20:24:11 +00:00
|
|
|
if (!sbc_enc_set_subbands (enc, g_value_get_int (value)))
|
|
|
|
GST_WARNING_OBJECT (enc, "invalid value %d for "
|
|
|
|
"subbands property", 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:
|
|
|
|
g_value_set_int (value, enc->blocks);
|
|
|
|
break;
|
2007-10-18 22:46:12 +00:00
|
|
|
case PROP_SUBBANDS:
|
2007-10-18 21:46:49 +00:00
|
|
|
g_value_set_int (value, enc->subbands);
|
|
|
|
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);
|
|
|
|
|
2007-08-26 13:12:47 +00:00
|
|
|
object_class->set_property = GST_DEBUG_FUNCPTR (gst_sbc_enc_set_property);
|
|
|
|
object_class->get_property = GST_DEBUG_FUNCPTR (gst_sbc_enc_get_property);
|
2007-11-01 19:45:00 +00:00
|
|
|
object_class->dispose = GST_DEBUG_FUNCPTR (gst_sbc_enc_dispose);
|
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,
|
2007-10-18 21:46:49 +00:00
|
|
|
g_param_spec_enum ("mode", "Mode",
|
|
|
|
"Encoding mode", GST_TYPE_SBC_MODE,
|
|
|
|
SBC_ENC_DEFAULT_MODE, G_PARAM_READWRITE));
|
|
|
|
|
|
|
|
g_object_class_install_property (object_class, PROP_ALLOCATION,
|
|
|
|
g_param_spec_enum ("allocation", "Allocation",
|
|
|
|
"Allocation mode", GST_TYPE_SBC_ALLOCATION,
|
|
|
|
SBC_ENC_DEFAULT_ALLOCATION, G_PARAM_READWRITE));
|
|
|
|
|
|
|
|
g_object_class_install_property (object_class, PROP_BLOCKS,
|
|
|
|
g_param_spec_int ("blocks", "Blocks",
|
|
|
|
"Blocks", 0, G_MAXINT, SBC_ENC_DEFAULT_BLOCKS, G_PARAM_READWRITE));
|
|
|
|
|
2007-10-18 22:46:12 +00:00
|
|
|
g_object_class_install_property (object_class, PROP_SUBBANDS,
|
2007-10-18 21:46:49 +00:00
|
|
|
g_param_spec_int ("subbands", "Sub Bands",
|
|
|
|
"Sub Bands", 0, G_MAXINT,
|
|
|
|
SBC_ENC_DEFAULT_SUB_BANDS, G_PARAM_READWRITE));
|
2007-08-26 13:12:47 +00:00
|
|
|
|
2007-08-23 19:12:23 +00:00
|
|
|
GST_DEBUG_CATEGORY_INIT (sbc_enc_debug, "sbcenc", 0, "SBC encoding element");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2007-08-25 19:32:03 +00:00
|
|
|
gst_sbc_enc_init (GstSbcEnc * self, GstSbcEncClass * klass)
|
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");
|
2007-10-18 21:46:49 +00:00
|
|
|
gst_pad_set_setcaps_function (self->sinkpad,
|
|
|
|
GST_DEBUG_FUNCPTR (sbc_enc_sink_setcaps));
|
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");
|
2007-11-21 20:24:11 +00:00
|
|
|
gst_pad_set_getcaps_function (self->srcpad,
|
|
|
|
GST_DEBUG_FUNCPTR (sbc_enc_src_getcaps));
|
|
|
|
gst_pad_set_setcaps_function (self->srcpad,
|
|
|
|
GST_DEBUG_FUNCPTR (sbc_enc_src_setcaps));
|
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;
|
|
|
|
self->mode = SBC_ENC_DEFAULT_MODE;
|
|
|
|
self->allocation = SBC_ENC_DEFAULT_ALLOCATION;
|
2007-11-21 20:24:11 +00:00
|
|
|
self->rate = SBC_ENC_DEFAULT_RATE;
|
|
|
|
self->channels = SBC_ENC_DEFAULT_CHANNELS;
|
2007-11-01 19:45:00 +00:00
|
|
|
|
|
|
|
self->adapter = gst_adapter_new ();
|
2007-08-23 19:12:23 +00:00
|
|
|
}
|