Add gstsbcutil.c and gstsbcutil.h.

1 files changed, 185 insertions, 0 deletions

diff --git a/audio/gstsbcutil.c b/audio/gstsbcutil.c
new file mode 100644
index 00000000..706e7f54
--- /dev/null
+++ b/audio/gstsbcutil.c
@@ -0,0 +1,185 @@
+/*
+ *
+ *  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
+ *
+ */
+
+
+/* common functions for gstreamer sbc related plugins */
+
+
+#include "gstsbcutil.h"
+#include "ipc.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 rate from a range of possible rates
+ * TODO - use a better approach to this (it is selecting the maximum value)
+ */
+gint gst_sbc_select_rate_from_range(const GValue *value)
+{
+	return gst_value_get_int_range_max(value);
+}
+
+/*
+ * Selects one number of channels from a list of possible numbers
+ * TODO - use a better approach to this (it is selecting the last element)
+ */
+gint gst_sbc_select_channels_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 blocks option from a range of possible blocks
+ * TODO - use a better approach to this (it is selecting the maximum value)
+ */
+gint gst_sbc_select_blocks_from_range(const GValue *value)
+{
+	return gst_value_get_int_range_max(value);
+}
+
+/*
+ * 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 subbands option from a range
+ * TODO - use a better approach to this (it is selecting the maximum value)
+ */
+gint gst_sbc_select_subbands_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 NULL; /* TODO what should be selected here? */
+	default:
+		return NULL;
+	}
+}