/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "platform_info"
#define LOG_NDDEBUG 0
#include <errno.h>
#include <stdio.h>
#include <expat.h>
#include <log/log.h>
#include <audio_hw.h>
#include "platform_api.h"
#include <platform.h>
#include <math.h>
#include <pthread.h>
/*
* Mandatory microphone characteristics include: device_id, type, address, location, group,
* index_in_the_group, directionality, num_frequency_responses, frequencies and responses.
* MANDATORY_MICROPHONE_CHARACTERISTICS should be updated when mandatory microphone
* characteristics are changed.
*/
#define MANDATORY_MICROPHONE_CHARACTERISTICS (1 << 10) - 1
typedef enum {
ROOT,
ACDB,
MODULE,
AEC,
NS,
PCM_ID,
BACKEND_NAME,
CONFIG_PARAMS,
OPERATOR_SPECIFIC,
GAIN_LEVEL_MAPPING,
APP_TYPE,
MICROPHONE_CHARACTERISTIC,
SND_DEVICES,
INPUT_SND_DEVICE,
INPUT_SND_DEVICE_TO_MIC_MAPPING,
SND_DEV,
MIC_INFO,
ACDB_METAINFO_KEY,
EXTERNAL_DEVICE_SPECIFIC,
AUDIO_SOURCE_DELAY,
AUDIO_OUTPUT_USECASE_DELAY,
} section_t;
typedef void (* section_process_fn)(const XML_Char **attr);
static void process_acdb_id(const XML_Char **attr);
static void process_audio_effect(const XML_Char **attr, effect_type_t effect_type);
static void process_effect_aec(const XML_Char **attr);
static void process_effect_ns(const XML_Char **attr);
static void process_pcm_id(const XML_Char **attr);
static void process_backend_name(const XML_Char **attr);
static void process_config_params(const XML_Char **attr);
static void process_root(const XML_Char **attr);
static void process_operator_specific(const XML_Char **attr);
static void process_gain_db_to_level_map(const XML_Char **attr);
static void process_app_type(const XML_Char **attr);
static void process_microphone_characteristic(const XML_Char **attr);
static void process_snd_dev(const XML_Char **attr);
static void process_mic_info(const XML_Char **attr);
static void process_acdb_metainfo_key(const XML_Char **attr);
static void process_external_dev(const XML_Char **attr);
static void process_audio_source_delay(const XML_Char **attr);
static void process_audio_usecase_delay(const XML_Char **attr);
static section_process_fn section_table[] = {
[ROOT] = process_root,
[ACDB] = process_acdb_id,
[AEC] = process_effect_aec,
[NS] = process_effect_ns,
[PCM_ID] = process_pcm_id,
[BACKEND_NAME] = process_backend_name,
[CONFIG_PARAMS] = process_config_params,
[OPERATOR_SPECIFIC] = process_operator_specific,
[GAIN_LEVEL_MAPPING] = process_gain_db_to_level_map,
[APP_TYPE] = process_app_type,
[MICROPHONE_CHARACTERISTIC] = process_microphone_characteristic,
[SND_DEV] = process_snd_dev,
[MIC_INFO] = process_mic_info,
[ACDB_METAINFO_KEY] = process_acdb_metainfo_key,
[EXTERNAL_DEVICE_SPECIFIC] = process_external_dev,
[AUDIO_SOURCE_DELAY] = process_audio_source_delay,
[AUDIO_OUTPUT_USECASE_DELAY] = process_audio_usecase_delay,
};
static section_t section;
struct platform_info {
pthread_mutex_t lock;
bool do_full_parse;
void *platform;
struct str_parms *kvpairs;
set_parameters_fn set_parameters;
};
static struct platform_info my_data = {PTHREAD_MUTEX_INITIALIZER,
true, NULL, NULL,
&platform_set_parameters};
struct audio_string_to_enum {
const char* name;
unsigned int value;
};
static snd_device_t in_snd_device;
static const struct audio_string_to_enum mic_locations[AUDIO_MICROPHONE_LOCATION_CNT] = {
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_UNKNOWN),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_PERIPHERAL),
};
static const struct audio_string_to_enum mic_directionalities[AUDIO_MICROPHONE_DIRECTIONALITY_CNT] = {
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_OMNI),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID),
};
static const struct audio_string_to_enum mic_channel_mapping[AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT] = {
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED),
};
static const struct audio_string_to_enum device_in_types[] = {
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AMBIENT),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_COMMUNICATION),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_HDMI),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_VOICE_CALL),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BACK_MIC),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LINE),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_SPDIF),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LOOPBACK),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_IP),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUS),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_PROXY),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_HEADSET),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_BLE),
AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DEFAULT),
};
static bool find_enum_by_string(const struct audio_string_to_enum * table, const char * name,
int32_t len, unsigned int *value)
{
if (table == NULL) {
ALOGE("%s: table is NULL", __func__);
return false;
}
if (name == NULL) {
ALOGE("null key");
return false;
}
for (int i = 0; i < len; i++) {
if (!strcmp(table[i].name, name)) {
*value = table[i].value;
return true;
}
}
return false;
}
/*
* <audio_platform_info>
* <acdb_ids>
* <device name="???" acdb_id="???"/>
* ...
* ...
* </acdb_ids>
* <module_ids>
* <device name="???" module_id="???"/>
* ...
* ...
* </module_ids>
* <backend_names>
* <device name="???" backend="???"/>
* ...
* ...
* </backend_names>
* <pcm_ids>
* <usecase name="???" type="in/out" id="???"/>
* ...
* ...
* </pcm_ids>
* <config_params>
* <param key="snd_card_name" value="msm8994-tomtom-mtp-snd-card"/>
* <param key="operator_info" value="tmus;aa;bb;cc"/>
* <param key="operator_info" value="sprint;xx;yy;zz"/>
* ...
* ...
* </config_params>
*
* <operator_specific>
* <device name="???" operator="???" mixer_path="???" acdb_id="???"/>
* ...
* ...
* </operator_specific>
*
* </audio_platform_info>
*/
static void process_root(const XML_Char **attr __unused)
{
}
static void process_audio_effect(const XML_Char **attr, effect_type_t effect_type)
{
int index;
struct audio_effect_config effect_config;
if (strncmp(attr[0], "name", strlen("name")) != 0) {
ALOGE("%s: 'name' not found, no MODULE ID set!", __func__);
goto done;
}
index = platform_get_snd_device_index((char *)attr[1]);
if (index < 0) {
ALOGE("%s: Device %s in platform info xml not found, no MODULE ID set!",
__func__, attr[1]);
goto done;
}
if (strncmp(attr[2], "module_id", strlen("module_id")) != 0) {
ALOGE("%s: Device %s in platform info xml has no module_id, no MODULE ID set!",
__func__, attr[2]);
goto done;
}
if (strncmp(attr[4], "instance_id", strlen("instance_id")) != 0) {
ALOGE("%s: Device %s in platform info xml has no instance_id, no INSTANCE ID set!",
__func__, attr[4]);
goto done;
}
if (strncmp(attr[6], "param_id", strlen("param_id")) != 0) {
ALOGE("%s: Device %s in platform info xml has no param_id, no PARAM ID set!",
__func__, attr[6]);
goto done;
}
if (strncmp(attr[8], "param_value", strlen("param_value")) != 0) {
ALOGE("%s: Device %s in platform info xml has no param_value, no PARAM VALUE set!",
__func__, attr[8]);
goto done;
}
effect_config = (struct audio_effect_config){strtol((char *)attr[3], NULL, 0),
strtol((char *)attr[5], NULL, 0),
strtol((char *)attr[7], NULL, 0),
strtol((char *)attr[9], NULL, 0)};
if (platform_set_effect_config_data(index, effect_config, effect_type) < 0) {
ALOGE("%s: Effect = %d Device %s, MODULE/INSTANCE/PARAM ID %u %u %u %u was not set!",
__func__, effect_type, attr[1], effect_config.module_id,
effect_config.instance_id, effect_config.param_id,
effect_config.param_value);
goto done;
}
done:
return;
}
static void process_effect_aec(const XML_Char **attr)
{
process_audio_effect(attr, EFFECT_AEC);
return;
}
static void process_effect_ns(const XML_Char **attr)
{
process_audio_effect(attr, EFFECT_NS);
return;
}
/* mapping from usecase to pcm dev id */
static void process_pcm_id(const XML_Char **attr)
{
int index;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found, no pcm_id set!", __func__);
goto done;
}
index = platform_get_usecase_index((char *)attr[1]);
if (index < 0) {
ALOGE("%s: usecase %s in %s not found!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "type") != 0) {
ALOGE("%s: usecase type not mentioned", __func__);
goto done;
}
int type = -1;
if (!strcasecmp((char *)attr[3], "in")) {
type = 1;
} else if (!strcasecmp((char *)attr[3], "out")) {
type = 0;
} else {
ALOGE("%s: type must be IN or OUT", __func__);
goto done;
}
if (strcmp(attr[4], "id") != 0) {
ALOGE("%s: usecase id not mentioned", __func__);
goto done;
}
int id = atoi((char *)attr[5]);
if (platform_set_usecase_pcm_id(index, type, id) < 0) {
ALOGE("%s: usecase %s in %s, type %d id %d was not set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH, type, id);
goto done;
}
done:
return;
}
/* backend to be used for a device */
static void process_backend_name(const XML_Char **attr)
{
int index;
char *hw_interface = NULL;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found, no ACDB ID set!", __func__);
goto done;
}
index = platform_get_snd_device_index((char *)attr[1]);
if (index < 0) {
ALOGE("%s: Device %s in %s not found, no ACDB ID set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "backend") != 0) {
ALOGE("%s: Device %s in %s has no backed set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (attr[4] != NULL) {
if (strcmp(attr[4], "interface") != 0) {
hw_interface = NULL;
} else {
hw_interface = (char *)attr[5];
}
}
if (platform_set_snd_device_backend(index, attr[3], hw_interface) < 0) {
ALOGE("%s: Device %s in %s, backend %s was not set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH, attr[3]);
goto done;
}
done:
return;
}
static void process_gain_db_to_level_map(const XML_Char **attr)
{
struct amp_db_and_gain_table tbl_entry;
if ((strcmp(attr[0], "db") != 0) ||
(strcmp(attr[2], "level") != 0)) {
ALOGE("%s: invalid attribute passed %s %sexpected amp db level",
__func__, attr[0], attr[2]);
goto done;
}
tbl_entry.db = atof(attr[1]);
tbl_entry.amp = exp(tbl_entry.db * 0.115129f);
tbl_entry.level = atoi(attr[3]);
//custome level should be > 0. Level 0 is fixed for default
CHECK(tbl_entry.level > 0);
ALOGV("%s: amp [%f] db [%f] level [%d]", __func__,
tbl_entry.amp, tbl_entry.db, tbl_entry.level);
platform_add_gain_level_mapping(&tbl_entry);
done:
return;
}
static void process_acdb_id(const XML_Char **attr)
{
int index;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found, no ACDB ID set!", __func__);
goto done;
}
index = platform_get_snd_device_index((char *)attr[1]);
if (index < 0) {
ALOGE("%s: Device %s in %s not found, no ACDB ID set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "acdb_id") != 0) {
ALOGE("%s: Device %s in %s has no acdb_id, no ACDB ID set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (platform_set_snd_device_acdb_id(index, atoi((char *)attr[3])) < 0) {
ALOGE("%s: Device %s in %s, ACDB ID %d was not set!",
__func__, attr[1], PLATFORM_INFO_XML_PATH, atoi((char *)attr[3]));
goto done;
}
done:
return;
}
static void process_operator_specific(const XML_Char **attr)
{
snd_device_t snd_device = SND_DEVICE_NONE;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found", __func__);
goto done;
}
snd_device = platform_get_snd_device_index((char *)attr[1]);
if (snd_device < 0) {
ALOGE("%s: Device %s in %s not found, no ACDB ID set!",
__func__, (char *)attr[3], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "operator") != 0) {
ALOGE("%s: 'operator' not found", __func__);
goto done;
}
if (strcmp(attr[4], "mixer_path") != 0) {
ALOGE("%s: 'mixer_path' not found", __func__);
goto done;
}
if (strcmp(attr[6], "acdb_id") != 0) {
ALOGE("%s: 'acdb_id' not found", __func__);
goto done;
}
platform_add_operator_specific_device(snd_device, (char *)attr[3], (char *)attr[5], atoi((char *)attr[7]));
done:
return;
}
static void process_external_dev(const XML_Char **attr)
{
snd_device_t snd_device = SND_DEVICE_NONE;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found", __func__);
goto done;
}
snd_device = platform_get_snd_device_index((char *)attr[1]);
if (snd_device < 0) {
ALOGE("%s: Device %s in %s not found, no ACDB ID set!",
__func__, (char *)attr[3], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "usbid") != 0) {
ALOGE("%s: 'usbid' not found", __func__);
goto done;
}
if (strcmp(attr[4], "acdb_id") != 0) {
ALOGE("%s: 'acdb_id' not found", __func__);
goto done;
}
platform_add_external_specific_device(snd_device, (char *)attr[3], atoi((char *)attr[5]));
done:
return;
}
static void process_audio_source_delay(const XML_Char **attr)
{
audio_source_t audio_source = -1;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found", __func__);
goto done;
}
audio_source = platform_get_audio_source_index((const char *)attr[1]);
if (audio_source < 0) {
ALOGE("%s: audio_source %s is not defined",
__func__, (char *)attr[1]);
goto done;
}
if (strcmp(attr[2], "delay") != 0) {
ALOGE("%s: 'delay' not found", __func__);
goto done;
}
platform_set_audio_source_delay(audio_source, atoi((char *)attr[3]));
done:
return;
}
static void process_audio_usecase_delay(const XML_Char **attr)
{
int index;
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found", __func__);
goto done;
}
index = platform_get_usecase_index((char *)attr[1]);
if (index < 0) {
ALOGE("%s: usecase %s in %s not found!",
__func__, attr[1], PLATFORM_INFO_XML_PATH);
goto done;
}
if (strcmp(attr[2], "delay") != 0) {
ALOGE("%s: 'delay' not found", __func__);
goto done;
}
platform_set_audio_usecase_delay(index, atoi((char *)attr[3]));
done:
return;
}
/* platform specific configuration key-value pairs */
static void process_config_params(const XML_Char **attr)
{
if (strcmp(attr[0], "key") != 0) {
ALOGE("%s: 'key' not found", __func__);
goto done;
}
if (strcmp(attr[2], "value") != 0) {
ALOGE("%s: 'value' not found", __func__);
goto done;
}
str_parms_add_str(my_data.kvpairs, (char*)attr[1], (char*)attr[3]);
my_data.set_parameters(my_data.platform, my_data.kvpairs);
done:
return;
}
static void process_app_type(const XML_Char **attr)
{
if (strcmp(attr[0], "uc_type")) {
ALOGE("%s: uc_type not found", __func__);
goto done;
}
if (strcmp(attr[2], "mode")) {
ALOGE("%s: mode not found", __func__);
goto done;
}
if (strcmp(attr[4], "bit_width")) {
ALOGE("%s: bit_width not found", __func__);
goto done;
}
if (strcmp(attr[6], "id")) {
ALOGE("%s: id not found", __func__);
goto done;
}
if (strcmp(attr[8], "max_rate")) {
ALOGE("%s: max rate not found", __func__);
goto done;
}
platform_add_app_type(attr[1], attr[3], atoi(attr[5]), atoi(attr[7]),
atoi(attr[9]));
done:
return;
}
static void process_microphone_characteristic(const XML_Char **attr) {
struct audio_microphone_characteristic_t microphone;
uint32_t index = 0;
uint32_t found_mandatory_characteristics = 0;
uint32_t num_frequencies = 0;
uint32_t num_responses = 0;
microphone.sensitivity = AUDIO_MICROPHONE_SENSITIVITY_UNKNOWN;
microphone.max_spl = AUDIO_MICROPHONE_SPL_UNKNOWN;
microphone.min_spl = AUDIO_MICROPHONE_SPL_UNKNOWN;
microphone.orientation.x = 0.0f;
microphone.orientation.y = 0.0f;
microphone.orientation.z = 0.0f;
microphone.geometric_location.x = AUDIO_MICROPHONE_COORDINATE_UNKNOWN;
microphone.geometric_location.y = AUDIO_MICROPHONE_COORDINATE_UNKNOWN;
microphone.geometric_location.z = AUDIO_MICROPHONE_COORDINATE_UNKNOWN;
while (attr[index] != NULL) {
const char *attribute = attr[index++];
char value[strlen(attr[index]) + 1];
strcpy(value, attr[index++]);
if (strcmp(attribute, "device_id") == 0) {
if (strlen(value) > AUDIO_MICROPHONE_ID_MAX_LEN) {
ALOGE("%s: device_id %s is too long", __func__, value);
goto done;
}
strcpy(microphone.device_id, value);
found_mandatory_characteristics |= 1;
} else if (strcmp(attribute, "type") == 0) {
if (!find_enum_by_string(device_in_types, value,
ARRAY_SIZE(device_in_types), µphone.device)) {
ALOGE("%s: type %s in %s not found!",
__func__, value, PLATFORM_INFO_XML_PATH);
goto done;
}
found_mandatory_characteristics |= (1 << 1);
} else if (strcmp(attribute, "address") == 0) {
if (strlen(value) > AUDIO_DEVICE_MAX_ADDRESS_LEN) {
ALOGE("%s, address %s is too long", __func__, value);
goto done;
}
strcpy(microphone.address, value);
if (strlen(microphone.address) == 0) {
// If the address is empty, populate the address according to device type.
if (microphone.device == AUDIO_DEVICE_IN_BUILTIN_MIC) {
strcpy(microphone.address, AUDIO_BOTTOM_MICROPHONE_ADDRESS);
} else if (microphone.device == AUDIO_DEVICE_IN_BACK_MIC) {
strcpy(microphone.address, AUDIO_BACK_MICROPHONE_ADDRESS);
}
}
found_mandatory_characteristics |= (1 << 2);
} else if (strcmp(attribute, "location") == 0) {
if (!find_enum_by_string(mic_locations, value,
AUDIO_MICROPHONE_LOCATION_CNT, µphone.location)) {
ALOGE("%s: location %s in %s not found!",
__func__, value, PLATFORM_INFO_XML_PATH);
goto done;
}
found_mandatory_characteristics |= (1 << 3);
} else if (strcmp(attribute, "group") == 0) {
microphone.group = atoi(value);
found_mandatory_characteristics |= (1 << 4);
} else if (strcmp(attribute, "index_in_the_group") == 0) {
microphone.index_in_the_group = atoi(value);
found_mandatory_characteristics |= (1 << 5);
} else if (strcmp(attribute, "directionality") == 0) {
if (!find_enum_by_string(mic_directionalities, value,
AUDIO_MICROPHONE_DIRECTIONALITY_CNT, µphone.directionality)) {
ALOGE("%s: directionality %s in %s not found!",
__func__, attr[index], PLATFORM_INFO_XML_PATH);
goto done;
}
found_mandatory_characteristics |= (1 << 6);
} else if (strcmp(attribute, "num_frequency_responses") == 0) {
microphone.num_frequency_responses = atoi(value);
if (microphone.num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
ALOGE("%s: num_frequency_responses is too large", __func__);
goto done;
}
found_mandatory_characteristics |= (1 << 7);
} else if (strcmp(attribute, "frequencies") == 0) {
char *token = strtok(value, " ");
while (token) {
microphone.frequency_responses[0][num_frequencies++] = atof(token);
if (num_frequencies > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
ALOGE("%s: num %u of frequency is too large", __func__, num_frequencies);
goto done;
}
token = strtok(NULL, " ");
}
found_mandatory_characteristics |= (1 << 8);
} else if (strcmp(attribute, "responses") == 0) {
char *token = strtok(value, " ");
while (token) {
microphone.frequency_responses[1][num_responses++] = atof(token);
if (num_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
ALOGE("%s: num %u of response is too large", __func__, num_responses);
goto done;
}
token = strtok(NULL, " ");
}
found_mandatory_characteristics |= (1 << 9);
} else if (strcmp(attribute, "sensitivity") == 0) {
microphone.sensitivity = atof(value);
} else if (strcmp(attribute, "max_spl") == 0) {
microphone.max_spl = atof(value);
} else if (strcmp(attribute, "min_spl") == 0) {
microphone.min_spl = atof(value);
} else if (strcmp(attribute, "orientation") == 0) {
char *token = strtok(value, " ");
float orientation[3];
uint32_t idx = 0;
while (token) {
orientation[idx++] = atof(token);
if (idx > 3) {
ALOGE("%s: orientation invalid", __func__);
goto done;
}
token = strtok(NULL, " ");
}
if (idx != 3) {
ALOGE("%s: orientation invalid", __func__);
goto done;
}
microphone.orientation.x = orientation[0];
microphone.orientation.y = orientation[1];
microphone.orientation.z = orientation[2];
} else if (strcmp(attribute, "geometric_location") == 0) {
char *token = strtok(value, " ");
float geometric_location[3];
uint32_t idx = 0;
while (token) {
geometric_location[idx++] = atof(token);
if (idx > 3) {
ALOGE("%s: geometric_location invalid", __func__);
goto done;
}
token = strtok(NULL, " ");
}
if (idx != 3) {
ALOGE("%s: geometric_location invalid", __func__);
goto done;
}
microphone.geometric_location.x = geometric_location[0];
microphone.geometric_location.y = geometric_location[1];
microphone.geometric_location.z = geometric_location[2];
} else {
ALOGW("%s: unknown attribute of microphone characteristics: %s",
__func__, attribute);
}
}
if (num_frequencies != num_responses
|| num_frequencies != microphone.num_frequency_responses) {
ALOGE("%s: num of frequency and response not match: %u, %u, %u",
__func__, num_frequencies, num_responses, microphone.num_frequency_responses);
goto done;
}
if (found_mandatory_characteristics != MANDATORY_MICROPHONE_CHARACTERISTICS) {
ALOGE("%s: some of mandatory microphone characteriscts are missed: %u",
__func__, found_mandatory_characteristics);
}
platform_set_microphone_characteristic(my_data.platform, microphone);
done:
return;
}
static void process_snd_dev(const XML_Char **attr)
{
uint32_t curIdx = 0;
in_snd_device = SND_DEVICE_NONE;
if (strcmp(attr[curIdx++], "in_snd_device")) {
ALOGE("%s: snd_device not found", __func__);
return;
}
in_snd_device = platform_get_snd_device_index((char *)attr[curIdx++]);
if (in_snd_device < SND_DEVICE_IN_BEGIN ||
in_snd_device >= SND_DEVICE_IN_END) {
ALOGE("%s: Sound device not valid", __func__);
in_snd_device = SND_DEVICE_NONE;
}
return;
}
static void process_mic_info(const XML_Char **attr)
{
uint32_t curIdx = 0;
struct mic_info microphone;
memset(µphone.channel_mapping, AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED,
sizeof(microphone.channel_mapping));
if (strcmp(attr[curIdx++], "mic_device_id")) {
ALOGE("%s: mic_device_id not found", __func__);
goto on_error;
}
strlcpy(microphone.device_id,
(char *)attr[curIdx++], AUDIO_MICROPHONE_ID_MAX_LEN);
if (strcmp(attr[curIdx++], "channel_mapping")) {
ALOGE("%s: channel_mapping not found", __func__);
goto on_error;
}
const char *token = strtok((char *)attr[curIdx++], " ");
uint32_t idx = 0;
while (token) {
if (!find_enum_by_string(mic_channel_mapping, token,
AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT,
µphone.channel_mapping[idx++])) {
ALOGE("%s: channel_mapping %s in %s not found!",
__func__, attr[--curIdx], PLATFORM_INFO_XML_PATH);
goto on_error;
}
token = strtok(NULL, " ");
}
microphone.channel_count = idx;
platform_set_microphone_map(my_data.platform, in_snd_device,
µphone);
return;
on_error:
in_snd_device = SND_DEVICE_NONE;
return;
}
/* process acdb meta info key value */
static void process_acdb_metainfo_key(const XML_Char **attr)
{
if (strcmp(attr[0], "name") != 0) {
ALOGE("%s: 'name' not found", __func__);
goto done;
}
if (strcmp(attr[2], "value") != 0) {
ALOGE("%s: 'value' not found", __func__);
goto done;
}
int key = atoi((char *)attr[3]);
if (platform_set_acdb_metainfo_key(my_data.platform,
(char*)attr[1], key) < 0) {
ALOGE("%s: key %d was not set!", __func__, key);
}
done:
return;
}
static void start_tag(void *userdata __unused, const XML_Char *tag_name,
const XML_Char **attr)
{
const XML_Char *attr_name = NULL;
const XML_Char *attr_value = NULL;
unsigned int i;
if (my_data.do_full_parse) {
if (strcmp(tag_name, "acdb_ids") == 0) {
section = ACDB;
} else if (strncmp(tag_name, "module_ids", strlen("module_ids")) == 0) {
section = MODULE;
} else if (strcmp(tag_name, "pcm_ids") == 0) {
section = PCM_ID;
} else if (strcmp(tag_name, "backend_names") == 0) {
section = BACKEND_NAME;
} else if (strcmp(tag_name, "config_params") == 0) {
section = CONFIG_PARAMS;
} else if (strcmp(tag_name, "operator_specific") == 0) {
section = OPERATOR_SPECIFIC;
} else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) {
section = GAIN_LEVEL_MAPPING;
} else if (strcmp(tag_name, "app_types") == 0) {
section = APP_TYPE;
} else if (strcmp(tag_name, "microphone_characteristics") == 0) {
section = MICROPHONE_CHARACTERISTIC;
} else if (strcmp(tag_name, "snd_devices") == 0) {
section = SND_DEVICES;
} else if(strcmp(tag_name, "acdb_metainfo_key") == 0) {
section = ACDB_METAINFO_KEY;
} else if (strcmp(tag_name, "device") == 0) {
if ((section != ACDB) && (section != AEC) && (section != NS) &&
(section != BACKEND_NAME) && (section != OPERATOR_SPECIFIC)) {
ALOGE("device tag only supported for acdb/backend/aec/ns/operator_specific names");
return;
}
/* call into process function for the current section */
section_process_fn fn = section_table[section];
fn(attr);
} else if (strcmp(tag_name, "usecase") == 0) {
if (section != PCM_ID) {
ALOGE("usecase tag only supported with PCM_ID section");
return;
}
section_process_fn fn = section_table[PCM_ID];
fn(attr);
} else if (strcmp(tag_name, "param") == 0) {
if ((section != CONFIG_PARAMS) && (section != ACDB_METAINFO_KEY)) {
ALOGE("param tag only supported with CONFIG_PARAMS section");
return;
}
section_process_fn fn = section_table[section];
fn(attr);
} else if (strcmp(tag_name, "gain_level_map") == 0) {
if (section != GAIN_LEVEL_MAPPING) {
ALOGE("gain_level_map tag only supported with GAIN_LEVEL_MAPPING section");
return;
}
section_process_fn fn = section_table[GAIN_LEVEL_MAPPING];
fn(attr);
} else if (!strcmp(tag_name, "app")) {
if (section != APP_TYPE) {
ALOGE("app tag only valid in section APP_TYPE");
return;
}
section_process_fn fn = section_table[APP_TYPE];
fn(attr);
} else if (strcmp(tag_name, "microphone") == 0) {
if (section != MICROPHONE_CHARACTERISTIC) {
ALOGE("microphone tag only supported with MICROPHONE_CHARACTERISTIC section");
return;
}
section_process_fn fn = section_table[MICROPHONE_CHARACTERISTIC];
fn(attr);
} else if (strcmp(tag_name, "input_snd_device") == 0) {
if (section != SND_DEVICES) {
ALOGE("input_snd_device tag only supported with SND_DEVICES section");
return;
}
section = INPUT_SND_DEVICE;
} else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) {
if (section != INPUT_SND_DEVICE) {
ALOGE("input_snd_device_mic_mapping tag only supported with INPUT_SND_DEVICE section");
return;
}
section = INPUT_SND_DEVICE_TO_MIC_MAPPING;
} else if (strcmp(tag_name, "snd_dev") == 0) {
if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) {
ALOGE("snd_dev tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section");
return;
}
section_process_fn fn = section_table[SND_DEV];
fn(attr);
} else if (strcmp(tag_name, "mic_info") == 0) {
if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) {
ALOGE("mic_info tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section");
return;
}
if (in_snd_device == SND_DEVICE_NONE) {
ALOGE("%s: Error in previous tags, do not process mic info", __func__);
return;
}
section_process_fn fn = section_table[MIC_INFO];
fn(attr);
} else if (strcmp(tag_name, "external_specific_dev") == 0) {
section = EXTERNAL_DEVICE_SPECIFIC;
} else if (strcmp(tag_name, "ext_device") == 0) {
section_process_fn fn = section_table[section];
fn(attr);
}
else if (strncmp(tag_name, "aec", strlen("aec")) == 0) {
if (section != MODULE) {
ALOGE("aec tag only supported with MODULE section");
return;
}
section = AEC;
}
else if (strncmp(tag_name, "ns", strlen("ns")) == 0) {
if (section != MODULE) {
ALOGE("ns tag only supported with MODULE section");
return;
}
section = NS;
} else if (strcmp(tag_name, "audio_input_source_delay") == 0) {
section = AUDIO_SOURCE_DELAY;
} else if (strcmp(tag_name, "audio_source_delay") == 0) {
section_process_fn fn = section_table[section];
fn(attr);
} else if (strcmp(tag_name, "audio_output_usecase_delay") == 0) {
section = AUDIO_OUTPUT_USECASE_DELAY;
} else if (strcmp(tag_name, "audio_usecase_delay") == 0) {
section_process_fn fn = section_table[section];
fn(attr);
}
} else {
if(strcmp(tag_name, "config_params") == 0) {
section = CONFIG_PARAMS;
} else if (strcmp(tag_name, "param") == 0) {
if (section != CONFIG_PARAMS) {
ALOGE("param tag only supported with CONFIG_PARAMS section");
return;
}
section_process_fn fn = section_table[section];
fn(attr);
}
}
return;
}
static void end_tag(void *userdata __unused, const XML_Char *tag_name)
{
if (strcmp(tag_name, "acdb_ids") == 0) {
section = ROOT;
} else if (strncmp(tag_name, "module_ids", strlen("module_ids")) == 0) {
section = ROOT;
} else if (strncmp(tag_name, "aec", strlen("aec")) == 0) {
section = MODULE;
} else if (strncmp(tag_name, "ns", strlen("ns")) == 0) {
section = MODULE;
} else if (strcmp(tag_name, "pcm_ids") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "backend_names") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "config_params") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "operator_specific") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "app_types") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "microphone_characteristics") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "snd_devices") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "external_specific_dev") == 0) {
section = ROOT;
} else if (strcmp(tag_name, "input_snd_device") == 0) {
section = SND_DEVICES;
} else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) {
section = INPUT_SND_DEVICE;
} else if (strcmp(tag_name, "acdb_metainfo_key") == 0) {
section = ROOT;
}
}
int platform_info_init(const char *filename, void *platform,
bool do_full_parse, set_parameters_fn fn)
{
XML_Parser parser;
FILE *file;
int ret = 0;
int bytes_read;
void *buf;
static const uint32_t kBufSize = 1024;
char platform_info_file_name[MIXER_PATH_MAX_LENGTH]= {0};
if (filename == NULL) {
strlcpy(platform_info_file_name, PLATFORM_INFO_XML_PATH, MIXER_PATH_MAX_LENGTH);
} else {
strlcpy(platform_info_file_name, filename, MIXER_PATH_MAX_LENGTH);
}
ALOGV("%s: platform info file name is %s", __func__, platform_info_file_name);
file = fopen(platform_info_file_name, "r");
if (!file) {
ALOGD("%s: Failed to open %s, using defaults.",
__func__, platform_info_file_name);
ret = -ENODEV;
goto done;
}
parser = XML_ParserCreate(NULL);
if (!parser) {
ALOGE("%s: Failed to create XML parser!", __func__);
ret = -ENODEV;
goto err_close_file;
}
pthread_mutex_lock(&my_data.lock);
section = ROOT;
my_data.do_full_parse = do_full_parse;
my_data.platform = platform;
my_data.kvpairs = str_parms_create();
my_data.set_parameters = fn;
XML_SetElementHandler(parser, start_tag, end_tag);
while (1) {
buf = XML_GetBuffer(parser, kBufSize);
if (buf == NULL) {
ALOGE("%s: XML_GetBuffer failed", __func__);
ret = -ENOMEM;
goto err_free_parser;
}
bytes_read = fread(buf, 1, kBufSize, file);
if (bytes_read < 0) {
ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read);
ret = bytes_read;
goto err_free_parser;
}
if (XML_ParseBuffer(parser, bytes_read,
bytes_read == 0) == XML_STATUS_ERROR) {
ALOGE("%s: XML_ParseBuffer failed, for %s",
__func__, platform_info_file_name);
ret = -EINVAL;
goto err_free_parser;
}
if (bytes_read == 0)
break;
}
err_free_parser:
if (my_data.kvpairs != NULL) {
str_parms_destroy(my_data.kvpairs);
my_data.kvpairs = NULL;
}
pthread_mutex_unlock(&my_data.lock);
XML_ParserFree(parser);
err_close_file:
fclose(file);
done:
return ret;
}