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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "ipc.h"
#include "gstsbcutil.h"
/*
* Selects one rate from a list of possible rates
* TODO - use a better approach to this (it is selecting the last element)
*/
gint gst_sbc_select_rate_from_list(const GValue *value)
{
guint size = gst_value_list_get_size(value);
return g_value_get_int(gst_value_list_get_value(value, size-1));
}
/*
* Selects one number of channels option from a range of possible numbers
* TODO - use a better approach to this (it is selecting the maximum value)
*/
gint gst_sbc_select_channels_from_range(const GValue *value)
{
return gst_value_get_int_range_max(value);
}
/*
* Selects one number of blocks from a list of possible blocks
* TODO - use a better approach to this (it is selecting the last element)
*/
gint gst_sbc_select_blocks_from_list(const GValue *value)
{
guint size = gst_value_list_get_size(value);
return g_value_get_int(gst_value_list_get_value(value, size-1));
}
/*
* Selects one number of subbands from a list
* TODO - use a better approach to this (it is selecting the last element)
*/
gint gst_sbc_select_subbands_from_list(const GValue *value)
{
guint size = gst_value_list_get_size(value);
return g_value_get_int(gst_value_list_get_value(value, size-1));
}
/*
* Selects one bitpool option from a range
* TODO - use a better approach to this (it is selecting the maximum value)
*/
gint gst_sbc_select_bitpool_from_range(const GValue *value)
{
return gst_value_get_int_range_max(value);
}
/*
* Selects one allocation mode from the ones on the list
* TODO - use a better approach
*/
const gchar *gst_sbc_get_allocation_from_list(const GValue *value)
{
guint size = gst_value_list_get_size(value);
return g_value_get_string(gst_value_list_get_value(value, size-1));
}
/*
* Selects one mode from the ones on the list
* TODO - use a better aproach
*/
const gchar *gst_sbc_get_mode_from_list(const GValue *value)
{
guint size = gst_value_list_get_size(value);
return g_value_get_string(gst_value_list_get_value(value, size-1));
}
gint gst_sbc_get_allocation_mode_int(const gchar *allocation)
{
if (g_ascii_strcasecmp(allocation, "loudness") == 0)
return CFG_ALLOCATION_LOUDNESS;
else if (g_ascii_strcasecmp(allocation, "snr") == 0)
return CFG_ALLOCATION_SNR;
else if (g_ascii_strcasecmp(allocation, "auto") == 0)
return CFG_ALLOCATION_AUTO;
else
return -1;
}
gint gst_sbc_get_mode_int(const gchar *mode)
{
if (g_ascii_strcasecmp(mode, "joint") == 0)
return CFG_MODE_JOINT_STEREO;
else if (g_ascii_strcasecmp(mode, "stereo") == 0)
return CFG_MODE_STEREO;
else if (g_ascii_strcasecmp(mode, "dual") == 0)
return CFG_MODE_DUAL_CHANNEL;
else if (g_ascii_strcasecmp(mode, "mono") == 0)
return CFG_MODE_MONO;
else if (g_ascii_strcasecmp(mode, "auto") == 0)
return CFG_MODE_AUTO;
else
return -1;
}
const gchar *gst_sbc_get_mode_string(int joint)
{
switch (joint) {
case CFG_MODE_MONO:
return "mono";
case CFG_MODE_DUAL_CHANNEL:
return "dual";
case CFG_MODE_STEREO:
return "stereo";
case CFG_MODE_JOINT_STEREO:
return "joint";
case CFG_MODE_AUTO:
return NULL; /* TODO what should be selected here? */
default:
return NULL;
}
}
const gchar *gst_sbc_get_allocation_string(int alloc)
{
switch (alloc) {
case CFG_ALLOCATION_LOUDNESS:
return "loudness";
case CFG_ALLOCATION_SNR:
return "snr";
case CFG_ALLOCATION_AUTO:
return "loudness"; /* TODO what should be selected here? */
default:
return NULL;
}
}
GstCaps* gst_sbc_caps_from_sbc(struct ipc_data_cfg *cfg,
struct ipc_codec_sbc *sbc, gint channels)
{
GstCaps *caps;
const gchar *mode_str;
const gchar *allocation_str;
mode_str = gst_sbc_get_mode_string(cfg->mode);
allocation_str = gst_sbc_get_allocation_string(sbc->allocation);
caps = gst_caps_new_simple("audio/x-sbc",
"rate", G_TYPE_INT, cfg->rate,
"channels", G_TYPE_INT, channels,
"mode", G_TYPE_STRING, mode_str,
"subbands", G_TYPE_INT, sbc->subbands,
"blocks", G_TYPE_INT, sbc->blocks,
"allocation", G_TYPE_STRING, allocation_str,
"bitpool", G_TYPE_INT, sbc->bitpool,
NULL);
return caps;
}
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