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Diffstat (limited to 'audio/gstsbcutil.c')
| -rw-r--r-- | audio/gstsbcutil.c | 185 |
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; + } +} |