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sbc: Add gstsbcutil.c and gstsbcutil.h.
This commit is contained in:
Luiz Augusto von Dentz
Tim-Philipp Müller
parent
e590dc56dc
commit
c5668f1e45
2 changed files with 232 additions and 0 deletions
185
ext/sbc/gstsbcutil.c
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185
ext/sbc/gstsbcutil.c
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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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/* common functions for gstreamer sbc related plugins */
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#include "gstsbcutil.h"
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#include "ipc.h"
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/*
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* Selects one rate from a list of possible rates
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* TODO - use a better approach to this (it is selecting the last element)
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*/
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gint gst_sbc_select_rate_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_int(gst_value_list_get_value(value, size-1));
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}
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/*
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* Selects one rate from a range of possible rates
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* TODO - use a better approach to this (it is selecting the maximum value)
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*/
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gint gst_sbc_select_rate_from_range(const GValue *value)
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{
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return gst_value_get_int_range_max(value);
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}
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/*
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* Selects one number of channels from a list of possible numbers
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* TODO - use a better approach to this (it is selecting the last element)
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*/
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gint gst_sbc_select_channels_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_int(gst_value_list_get_value(value, size-1));
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}
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/*
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* Selects one number of channels option from a range of possible numbers
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* TODO - use a better approach to this (it is selecting the maximum value)
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*/
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gint gst_sbc_select_channels_from_range(const GValue *value)
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{
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return gst_value_get_int_range_max(value);
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}
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/*
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* Selects one number of blocks from a list of possible blocks
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* TODO - use a better approach to this (it is selecting the last element)
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*/
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gint gst_sbc_select_blocks_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_int(gst_value_list_get_value(value, size-1));
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}
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/*
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* Selects one blocks option from a range of possible blocks
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* TODO - use a better approach to this (it is selecting the maximum value)
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*/
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gint gst_sbc_select_blocks_from_range(const GValue *value)
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{
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return gst_value_get_int_range_max(value);
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}
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/*
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* Selects one number of subbands from a list
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* TODO - use a better approach to this (it is selecting the last element)
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*/
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gint gst_sbc_select_subbands_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_int(gst_value_list_get_value(value, size-1));
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}
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/*
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* Selects one subbands option from a range
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* TODO - use a better approach to this (it is selecting the maximum value)
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*/
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gint gst_sbc_select_subbands_from_range(const GValue *value)
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{
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return gst_value_get_int_range_max(value);
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}
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/*
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* Selects one allocation mode from the ones on the list
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* TODO - use a better approach
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*/
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const gchar* gst_sbc_get_allocation_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_string(gst_value_list_get_value(value, size-1));
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}
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/*
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* Selects one mode from the ones on the list
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* TODO - use a better aproach
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*/
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const gchar* gst_sbc_get_mode_from_list(const GValue *value)
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{
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guint size = gst_value_list_get_size(value);
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return g_value_get_string(gst_value_list_get_value(value, size-1));
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}
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gint gst_sbc_get_allocation_mode_int(const gchar* allocation)
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{
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if (g_ascii_strcasecmp(allocation, "loudness") == 0)
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return CFG_ALLOCATION_LOUDNESS;
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else if (g_ascii_strcasecmp(allocation, "snr") == 0)
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return CFG_ALLOCATION_SNR;
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else if (g_ascii_strcasecmp(allocation, "auto") == 0)
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return CFG_ALLOCATION_AUTO;
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else
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return -1;
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}
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gint gst_sbc_get_mode_int(const gchar* mode)
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{
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if (g_ascii_strcasecmp(mode, "joint") == 0)
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return CFG_MODE_JOINT_STEREO;
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else if (g_ascii_strcasecmp(mode, "stereo") == 0)
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return CFG_MODE_STEREO;
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else if (g_ascii_strcasecmp(mode, "dual") == 0)
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return CFG_MODE_DUAL_CHANNEL;
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else if (g_ascii_strcasecmp(mode, "mono") == 0)
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return CFG_MODE_MONO;
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else if (g_ascii_strcasecmp(mode, "auto") == 0)
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return CFG_MODE_AUTO;
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else
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return -1;
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}
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const gchar* gst_sbc_get_mode_string(int joint)
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{
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switch (joint) {
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case CFG_MODE_MONO:
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return "mono";
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case CFG_MODE_DUAL_CHANNEL:
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return "dual";
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case CFG_MODE_STEREO:
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return "stereo";
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case CFG_MODE_JOINT_STEREO:
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return "joint";
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case CFG_MODE_AUTO:
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return NULL; /* TODO what should be selected here? */
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default:
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return NULL;
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}
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}
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const gchar* gst_sbc_get_allocation_string(int alloc)
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{
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switch (alloc) {
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case CFG_ALLOCATION_LOUDNESS:
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return "loudness";
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case CFG_ALLOCATION_SNR:
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return "snr";
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case CFG_ALLOCATION_AUTO:
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return NULL; /* TODO what should be selected here? */
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default:
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return NULL;
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}
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}
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47
ext/sbc/gstsbcutil.h
Normal file
47
ext/sbc/gstsbcutil.h
Normal file
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@ -0,0 +1,47 @@
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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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/* common functions for gstreamer sbc related plugins */
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#include <gst/gst.h>
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gint gst_sbc_select_rate_from_list(const GValue *value);
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gint gst_sbc_select_rate_from_range(const GValue *value);
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gint gst_sbc_select_channels_from_list(const GValue *value);
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gint gst_sbc_select_channels_from_range(const GValue *value);
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gint gst_sbc_select_blocks_from_list(const GValue *value);
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gint gst_sbc_select_blocks_from_range(const GValue *value);
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gint gst_sbc_select_subbands_from_list(const GValue *value);
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gint gst_sbc_select_subbands_from_range(const GValue *value);
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const gchar* gst_sbc_get_allocation_from_list(const GValue *value);
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gint gst_sbc_get_allocation_mode_int(const gchar* allocation);
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const gchar* gst_sbc_get_allocation_string(int alloc);
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const gchar* gst_sbc_get_mode_from_list(const GValue *value);
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gint gst_sbc_get_mode_int(const gchar* mode);
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const gchar* gst_sbc_get_mode_string(int joint);
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