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-rw-r--r--tinyalsa_audio/mixer.c1349
1 files changed, 0 insertions, 1349 deletions
diff --git a/tinyalsa_audio/mixer.c b/tinyalsa_audio/mixer.c
deleted file mode 100644
index cda890e..0000000
--- a/tinyalsa_audio/mixer.c
+++ /dev/null
@@ -1,1349 +0,0 @@
-/*
- * Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
- *
- * This is based on Galaxy Nexus audio.primary.tuna implementation:
- * Copyright 2011, The Android Open-Source Project
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#define LOG_TAG "TinyALSA-Audio Mixer"
-
-#include <fcntl.h>
-#include <errno.h>
-#include <pthread.h>
-#include <stdint.h>
-#include <sys/time.h>
-
-#include <cutils/log.h>
-
-#include <expat.h>
-
-#define EFFECT_UUID_NULL EFFECT_UUID_NULL_MIXER
-#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_MIXER
-#include "audio_hw.h"
-#include "mixer.h"
-
-/*
- * List
- */
-
-struct list_head *list_head_alloc(void)
-{
- struct list_head *list = (struct list_head *)
- calloc(1, sizeof(struct list_head));
-
- return list;
-}
-
-void list_head_free(struct list_head *list)
-{
- struct list_head *list_prev;
-
- while(list != NULL) {
- list_prev = list;
- list = list->next;
-
- free(list_prev);
- }
-}
-
-/*
- * Mixer data
- */
-
-struct tinyalsa_mixer_data *tinyalsa_mixer_data_alloc(void)
-{
- struct tinyalsa_mixer_data *mixer_data = (struct tinyalsa_mixer_data *)
- calloc(1, sizeof(struct tinyalsa_mixer_data));
-
- return mixer_data;
-}
-
-void tinyalsa_mixer_data_free(struct tinyalsa_mixer_data *mixer_data)
-{
- if(mixer_data == NULL)
- return;
-
- if(mixer_data->name != NULL) {
- free(mixer_data->name);
- mixer_data->name = NULL;
- }
-
- if(mixer_data->value != NULL) {
- free(mixer_data->value);
- mixer_data->value = NULL;
- }
-
- if(mixer_data->attr != NULL) {
- free(mixer_data->attr);
- mixer_data->attr = NULL;
- }
-
- free(mixer_data);
-}
-
-struct tinyalsa_mixer_data *tinyalsa_mixer_get_data_with_attr(
- struct list_head *list_data, char *attr)
-{
- struct tinyalsa_mixer_data *mixer_data = NULL;
-
- while(list_data != NULL) {
- mixer_data = (struct tinyalsa_mixer_data *) list_data->data;
-
- if(mixer_data->type == MIXER_DATA_TYPE_CTRL) {
- if(mixer_data->attr != NULL &&
- strcmp(mixer_data->attr, attr) == 0) {
- break;
- } else {
- mixer_data = NULL;
- }
-
- }
-
- if(list_data->next != NULL)
- list_data = list_data->next;
- else
- break;
- }
-
- return mixer_data;
-}
-
-/*
- * Mixer device
- */
-
-struct tinyalsa_mixer_device *tinyalsa_mixer_device_alloc(void)
-{
- struct tinyalsa_mixer_device *mixer_device = (struct tinyalsa_mixer_device *)
- calloc(1, sizeof(struct tinyalsa_mixer_device));
-
- return mixer_device;
-}
-
-void tinyalsa_mixer_device_free(struct tinyalsa_mixer_device *mixer_device)
-{
- struct tinyalsa_mixer_data *mixer_data;
- struct list_head *list_data;
- struct list_head *list_prev;
-
- if(mixer_device == NULL)
- return;
-
- list_data = mixer_device->enable;
-
- while(list_data != NULL) {
- mixer_data = (struct tinyalsa_mixer_data *) list_data->data;
-
- tinyalsa_mixer_data_free(mixer_data);
- list_data->data = NULL;
-
- list_prev = list_data;
- list_data = list_data->next;
-
- list_head_free(list_prev);
- }
-
- list_data = mixer_device->disable;
-
- while(list_data != NULL) {
- mixer_data = (struct tinyalsa_mixer_data *) list_data->data;
-
- tinyalsa_mixer_data_free(mixer_data);
- list_data->data = NULL;
-
- list_prev = list_data;
- list_data = list_data->next;
-
- list_head_free(list_prev);
- }
-
- mixer_device->enable = NULL;
- mixer_device->disable = NULL;
-
- free(mixer_device);
-}
-
-struct tinyalsa_mixer_device *tinyalsa_mixer_get_device(struct tinyalsa_mixer_io *mixer_io,
- audio_devices_t device)
-{
- struct tinyalsa_mixer_device *mixer_device = NULL;
- struct list_head *list = NULL;
-
- if(mixer_io == NULL)
- return NULL;
-
- list = mixer_io->devices;
-
- while(list != NULL) {
- mixer_device = (struct tinyalsa_mixer_device *) list->data;
- if(mixer_device != NULL && mixer_device->props.type == device) {
- break;
- } else {
- mixer_device = NULL;
- }
-
- list = list->next;
- }
-
- return mixer_device;
-}
-
-/*
- * Mixer I/O
- */
-
-void tinyalsa_mixer_io_free_devices(struct tinyalsa_mixer_io *mixer_io)
-{
- struct tinyalsa_mixer_device *mixer_device;
- struct list_head *list_device;
- struct list_head *list_prev;
-
- if(mixer_io == NULL)
- return;
-
- list_device = mixer_io->devices;
-
- while(list_device != NULL) {
- mixer_device = (struct tinyalsa_mixer_device *) list_device->data;
-
- tinyalsa_mixer_device_free(mixer_device);
- list_device->data = NULL;
-
- list_prev = list_device;
- list_device = list_device->next;
-
- list_head_free(list_prev);
- }
-}
-
-/*
- * Mixer config
- */
-
-void tinyalsa_mixer_config_start(void *data, const XML_Char *elem,
- const XML_Char **attr)
-{
- struct tinyalsa_mixer_config_data *config_data;
- struct tinyalsa_mixer_data *mixer_data;
- struct list_head *list;
- int i;
-
- if(data == NULL || elem == NULL || attr == NULL)
- return;
-
- config_data = (struct tinyalsa_mixer_config_data *) data;
-
- if(strcmp(elem, "tinyalsa-audio") == 0) {
- for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
- if(strcmp(attr[i], "device") == 0) {
- i++;
- ALOGD("Parsing config for device: %s", attr[i]);
- }
- }
- } else if(strcmp(elem, "output") == 0) {
- config_data->direction = TINYALSA_MIXER_DIRECTION_OUTPUT;
-
- for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) {
- if(strcmp(attr[i], "card") == 0) {
- i++;
- config_data->io_props.card = atoi(attr[i]);
- } else if(strcmp(attr[i], "device") == 0) {
- i++;
- config_data->io_props.device = atoi(attr[i]);
- } else if(strcmp(attr[i], "rate") == 0) {
- i++;
- config_data->io_props.rate = atoi(attr[i]);
- } else if(strcmp(attr[i], "channels") == 0) {
- i++;
- switch(atoi(attr[i])) {
- case 1:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_MONO;
- break;
- case 2:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_STEREO;
- break;
- case 4:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_QUAD_SIDE;
- break;
- case 6:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_5POINT1;
- break;
- case 8:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_7POINT1;
- break;
- default:
- ALOGE("Unknown channel attr: %s", attr[i]);
- break;
- }
- } else if(strcmp(attr[i], "format") == 0) {
- i++;
- if(strcmp(attr[i], "PCM_8") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_8_BIT;
- } else if(strcmp(attr[i], "PCM_16") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_16_BIT;
- } else if(strcmp(attr[i], "PCM_32") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_32_BIT;
- } else if(strcmp(attr[i], "PCM_8_24") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_8_24_BIT;
- } else {
- ALOGE("Unknown format attr: %s", attr[i]);
- }
- } else if(strcmp(attr[i], "period_size") == 0) {
- i++;
- config_data->io_props.period_size = atoi(attr[i]);
- } else if(strcmp(attr[i], "period_count") == 0) {
- i++;
- config_data->io_props.period_count = atoi(attr[i]);
- } else {
- ALOGE("Unknown output attr: %s", attr[i]);
- }
- }
- } else if(strcmp(elem, "input") == 0) {
- config_data->direction = TINYALSA_MIXER_DIRECTION_INPUT;
-
- for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) {
- if(strcmp(attr[i], "card") == 0) {
- i++;
- config_data->io_props.card = atoi(attr[i]);
- } else if(strcmp(attr[i], "device") == 0) {
- i++;
- config_data->io_props.device = atoi(attr[i]);
- } else if(strcmp(attr[i], "rate") == 0) {
- i++;
- config_data->io_props.rate = atoi(attr[i]);
- } else if(strcmp(attr[i], "channels") == 0) {
- i++;
- switch(atoi(attr[i])) {
- case 1:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_IN_MONO;
- break;
- case 2:
- config_data->io_props.channel_mask = AUDIO_CHANNEL_IN_STEREO;
- break;
- default:
- ALOGE("Unknown channel attr: %s", attr[i]);
- break;
- }
- } else if(strcmp(attr[i], "format") == 0) {
- i++;
- if(strcmp(attr[i], "PCM_8") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_8_BIT;
- } else if(strcmp(attr[i], "PCM_16") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_16_BIT;
- } else if(strcmp(attr[i], "PCM_32") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_32_BIT;
- } else if(strcmp(attr[i], "PCM_8_24") == 0) {
- config_data->io_props.format = AUDIO_FORMAT_PCM_8_24_BIT;
- } else {
- ALOGE("Unknown format attr: %s", attr[i]);
- }
- } else if(strcmp(attr[i], "period_size") == 0) {
- i++;
- config_data->io_props.period_size = atoi(attr[i]);
- } else if(strcmp(attr[i], "period_count") == 0) {
- i++;
- config_data->io_props.period_count = atoi(attr[i]);
- } else {
- ALOGE("Unknown input attr: %s", attr[i]);
- }
- }
- } else if(strcmp(elem, "modem") == 0) {
- config_data->direction = TINYALSA_MIXER_DIRECTION_MODEM;
-
- for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) {
- if(strcmp(attr[i], "card") == 0) {
- i++;
- config_data->io_props.card = atoi(attr[i]);
- } else if(strcmp(attr[i], "device") == 0) {
- i++;
- config_data->io_props.device = atoi(attr[i]);
- } else {
- ALOGE("Unknown modem attr: %s", attr[i]);
- }
- }
- } else if(strcmp(elem, "device") == 0) {
- for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
- if(strcmp(attr[i], "type") == 0) {
- i++;
- if(config_data->direction == TINYALSA_MIXER_DIRECTION_OUTPUT ||
- config_data->direction == TINYALSA_MIXER_DIRECTION_MODEM) {
- if(strcmp(attr[i], "default") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_DEFAULT;
- } else if(strcmp(attr[i], "earpiece") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_EARPIECE;
- } else if(strcmp(attr[i], "speaker") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_SPEAKER;
- } else if(strcmp(attr[i], "wired-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_WIRED_HEADSET;
- } else if(strcmp(attr[i], "wired-headphone") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
- } else if(strcmp(attr[i], "bt-sco") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
- } else if(strcmp(attr[i], "bt-sco-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
- } else if(strcmp(attr[i], "bt-sco-carkit") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
- } else if(strcmp(attr[i], "bt-a2dp") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
- } else if(strcmp(attr[i], "bt-a2dp-headphones") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
- } else if(strcmp(attr[i], "bt-a2dp-speaker") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
- } else if(strcmp(attr[i], "aux-digital") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_AUX_DIGITAL;
- } else if(strcmp(attr[i], "analog-dock-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
- } else if(strcmp(attr[i], "digital-dock-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
-/*
- * There is now FM support for Qcom devices. Now that Qcom FM is working,
- * it may be possible to get Samsung FM working... SAMSUNG_FM_ENABLED
- * is a temp placeholder for the ifdef. See QCOM_FM_ENABLED for an example
- * in system/core/include/system/audio.h
- */
-#ifdef SAMSUNG_FM_ENABLED
- } else if(strcmp(attr[i], "fm") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_OUT_FM;
-#endif
- } else {
- ALOGE("Unknown device attr: %s", attr[i]);
- }
- } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_INPUT) {
- if(strcmp(attr[i], "default") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_DEFAULT;
- } else if(strcmp(attr[i], "communication") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_COMMUNICATION;
- } else if(strcmp(attr[i], "ambient") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_AMBIENT;
- } else if(strcmp(attr[i], "builtin-mic") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_BUILTIN_MIC;
- } else if(strcmp(attr[i], "bt-sco-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
- } else if(strcmp(attr[i], "wired-headset") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_WIRED_HEADSET;
- } else if(strcmp(attr[i], "aux-digital") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_AUX_DIGITAL;
- } else if(strcmp(attr[i], "voice-call") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_VOICE_CALL;
- } else if(strcmp(attr[i], "back-mic") == 0) {
- config_data->device_props.type = AUDIO_DEVICE_IN_BACK_MIC;
- } else {
- ALOGE("Unknown device attr: %s", attr[i]);
- }
- }
- } else {
- ALOGE("Unknown device attr: %s", attr[i]);
- }
-
- if(config_data->device_props.type != 0) {
- config_data->device = tinyalsa_mixer_device_alloc();
- memcpy(&config_data->device->props, &config_data->device_props, sizeof(config_data->device_props));
- } else {
- ALOGE("Missing attrs for elem: %s", elem);
- }
- }
- } else if(strcmp(elem, "path") == 0) {
- for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
- if(strcmp(attr[i], "type") == 0) {
- i++;
- if(strcmp(attr[i], "enable") == 0) {
- config_data->list_start = &config_data->device->enable;
- } else if(strcmp(attr[i], "disable") == 0) {
- config_data->list_start = &config_data->device->disable;
- } else {
- ALOGE("Unknown path attr: %s", attr[i]);
- }
- } else {
- ALOGE("Unknown path attr: %s", attr[i]);
- }
- }
- } else if(strcmp(elem, "ctrl") == 0) {
- if(config_data->device != NULL && config_data->list_start != NULL) {
- list = list_head_alloc();
- mixer_data = tinyalsa_mixer_data_alloc();
-
- mixer_data->type = MIXER_DATA_TYPE_CTRL;
- list->data = (void *) mixer_data;
- } else {
- ALOGE("Missing device/path for elem: %s", elem);
- return;
- }
-
- for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
- if(strcmp(attr[i], "name") == 0) {
- i++;
- mixer_data->name = strdup((char *) attr[i]);
- } else if(strcmp(attr[i], "attr") == 0) {
- i++;
- mixer_data->attr = strdup((char *) attr[i]);
- } else if(strcmp(attr[i], "value") == 0) {
- i++;
- mixer_data->value = strdup((char *) attr[i]);
- } else {
- ALOGE("Unknown ctrl attr: %s", attr[i]);
- }
- }
-
- if(mixer_data->name != NULL && mixer_data->value != NULL) {
- if(*config_data->list_start == NULL) {
- *config_data->list_start = list;
- } else {
- config_data->list->next = list;
- list->prev = config_data->list;
- }
-
- config_data->list = list;
- } else {
- tinyalsa_mixer_data_free(mixer_data);
- list_head_free(list);
- }
- } else if(strcmp(elem, "write") == 0) {
- if(config_data->device != NULL && config_data->list_start != NULL) {
- list = list_head_alloc();
- mixer_data = tinyalsa_mixer_data_alloc();
-
- mixer_data->type = MIXER_DATA_TYPE_WRITE;
- list->data = (void *) mixer_data;
- } else {
- ALOGE("Missing device/path for elem: %s", elem);
- return;
- }
-
- for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
- if(strcmp(attr[i], "name") == 0) {
- i++;
- mixer_data->name = strdup((char *) attr[i]);
- } else if(strcmp(attr[i], "value") == 0) {
- i++;
- mixer_data->value = strdup((char *) attr[i]);
- } else {
- ALOGE("Unknown write attr: %s", attr[i]);
- }
- }
-
- if(mixer_data->name != NULL && mixer_data->value != NULL) {
- if(*config_data->list_start == NULL) {
- *config_data->list_start = list;
- } else {
- config_data->list->next = list;
- list->prev = config_data->list;
- }
-
- config_data->list = list;
- } else {
- tinyalsa_mixer_data_free(mixer_data);
- list_head_free(list);
- }
- }
-}
-
-void tinyalsa_mixer_config_end(void *data, const XML_Char *elem)
-{
- struct tinyalsa_mixer_config_data *config_data;
- struct list_head *list_prev;
- struct list_head *list;
-
- if(data == NULL || elem == NULL)
- return;
-
- config_data = (struct tinyalsa_mixer_config_data *) data;
-
- if(strcmp(elem, "output") == 0) {
- memcpy(&config_data->mixer->output.props, &config_data->io_props, sizeof(config_data->io_props));
- memset(&config_data->io_props, 0, sizeof(config_data->io_props));
- config_data->direction = 0;
- } else if(strcmp(elem, "input") == 0) {
- memcpy(&config_data->mixer->input.props, &config_data->io_props, sizeof(config_data->io_props));
- memset(&config_data->io_props, 0, sizeof(config_data->io_props));
- config_data->direction = 0;
- } else if(strcmp(elem, "modem") == 0) {
- memcpy(&config_data->mixer->modem.props, &config_data->io_props, sizeof(config_data->io_props));
- memset(&config_data->io_props, 0, sizeof(config_data->io_props));
- config_data->direction = 0;
- } else if(strcmp(elem, "device") == 0) {
- // direction == 0 will fallback to out
- if(config_data->direction == TINYALSA_MIXER_DIRECTION_OUTPUT) {
- list = list_head_alloc();
- list->data = (void *) config_data->device;
-
- if(config_data->mixer->output.devices == NULL) {
- config_data->mixer->output.devices = list;
- } else {
- list_prev = config_data->mixer->output.devices;
-
- while(list_prev->next != NULL)
- list_prev = list_prev->next;
-
- list_prev->next = list;
- list->prev = list_prev;
- }
- } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_INPUT) {
- list = list_head_alloc();
- list->data = (void *) config_data->device;
-
- if(config_data->mixer->input.devices == NULL) {
- config_data->mixer->input.devices = list;
- } else {
- list_prev = config_data->mixer->input.devices;
-
- while(list_prev->next != NULL)
- list_prev = list_prev->next;
-
- list_prev->next = list;
- list->prev = list_prev;
- }
- } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_MODEM) {
- list = list_head_alloc();
- list->data = (void *) config_data->device;
-
- if(config_data->mixer->modem.devices == NULL) {
- config_data->mixer->modem.devices = list;
- } else {
- list_prev = config_data->mixer->modem.devices;
-
- while(list_prev->next != NULL)
- list_prev = list_prev->next;
-
- list_prev->next = list;
- list->prev = list_prev;
- }
- }
-
- config_data->device = NULL;
- config_data->list = NULL;
- } else if(strcmp(elem, "path") == 0) {
- config_data->list_start = 0;
- config_data->list = 0;
- }
-}
-
-int tinyalsa_mixer_config_parse(struct tinyalsa_mixer *mixer, char *config_file)
-{
- struct tinyalsa_mixer_config_data config_data;
- char buf[80];
- XML_Parser p;
- FILE *f;
-
- int eof = 0;
- int len = 0;
-
- if(mixer == NULL || config_file == NULL)
- return -1;
-
- f = fopen(config_file, "r");
- if(!f) {
- ALOGE("Failed to open tinyalsa-audio config file!");
- return -1;
- }
-
- p = XML_ParserCreate(NULL);
- if(!p) {
- ALOGE("Failed to create XML parser!");
- goto error_file;
- }
-
- memset(&config_data, 0, sizeof(config_data));
- config_data.mixer = mixer;
-
- XML_SetUserData(p, &config_data);
- XML_SetElementHandler(p, tinyalsa_mixer_config_start, tinyalsa_mixer_config_end);
-
- while(!eof) {
- len = fread(buf, 1, sizeof(buf), f);
- if(ferror(f)) {
- ALOGE("Failed to read config file!");
- goto error_xml_parser;
- }
-
- eof = feof(f);
-
- if(XML_Parse(p, buf, len, eof) == XML_STATUS_ERROR) {
- ALOGE("Failed to parse line %d: %s",
- (int) XML_GetCurrentLineNumber(p),
- (char *) XML_ErrorString(XML_GetErrorCode(p)));
- goto error_xml_parser;
- }
- }
-
- XML_ParserFree(p);
- fclose(f);
-
- return 0;
-
-error_xml_parser:
- XML_ParserFree(p);
-
-error_file:
- fclose(f);
-
- return -1;
-}
-
-/*
- * Route/Directions
- */
-
-int tinyalsa_mixer_set_route_ctrl(struct tinyalsa_mixer *mixer,
- struct tinyalsa_mixer_data *mixer_data)
-{
- struct mixer_ctl *ctl;
- int value = 0;
- int type;
- int rc;
- int i;
-
- if(mixer_data->type != MIXER_DATA_TYPE_CTRL)
- return -1;
-
- ctl = mixer_get_ctl_by_name(mixer->mixer, mixer_data->name);
- type = mixer_ctl_get_type(ctl);
-
- ALOGD("Setting %s to %s", mixer_data->name, mixer_data->value);
-
- switch(type) {
- case MIXER_CTL_TYPE_BOOL:
- value = strcmp(mixer_data->value, "on") == 0 ?
- 1 : 0;
- break;
- case MIXER_CTL_TYPE_INT:
- value = atoi(mixer_data->value);
- break;
- case MIXER_CTL_TYPE_BYTE:
- value = atoi(mixer_data->value) & 0xff;
- break;
- }
-
- if(type == MIXER_CTL_TYPE_BOOL || type == MIXER_CTL_TYPE_INT ||
- type == MIXER_CTL_TYPE_BYTE) {
- for(i=0 ; i < mixer_ctl_get_num_values(ctl) ; i++) {
- rc = mixer_ctl_set_value(ctl, i, value);
- if(rc < 0)
- return -1;
- }
- } else if(type == MIXER_CTL_TYPE_ENUM || type == MIXER_CTL_TYPE_UNKNOWN) {
- rc = mixer_ctl_set_enum_by_string(ctl, mixer_data->value);
- if(rc < 0)
- return -1;
- }
-
- return 0;
-}
-
-int tinyalsa_mixer_set_route_write(struct tinyalsa_mixer *mixer,
- struct tinyalsa_mixer_data *mixer_data)
-{
- char *buffer = NULL;
- int fd;
-
- if(mixer_data->type != MIXER_DATA_TYPE_WRITE)
- return -1;
-
- ALOGD("Writing %s to %s", mixer_data->value, mixer_data->name);
-
- asprintf(&buffer, "%s\n", mixer_data->value);
- if(buffer == NULL)
- return -1;
-
- fd = open(mixer_data->name, O_WRONLY);
- if(fd < 0) {
- free(buffer);
- return -1;
- }
-
- write(fd, buffer, strlen(buffer) + 1);
-
- free(buffer);
-
- close(fd);
-
- return 0;
-}
-
-int tinyalsa_mixer_set_route_list(struct tinyalsa_mixer *mixer, struct list_head *list)
-{
- struct tinyalsa_mixer_data *mixer_data = NULL;
- int rc;
-
- if(mixer == NULL || mixer->mixer == NULL)
- return -1;
-
- while(list != NULL) {
- mixer_data = (struct tinyalsa_mixer_data *) list->data;
-
- if(mixer_data->type == MIXER_DATA_TYPE_CTRL) {
- if(mixer_data->attr != NULL &&
- strcmp(mixer_data->attr, "voice-volume") == 0) {
- ALOGD("Skipping voice volume control");
- } else {
- rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data);
- if(rc < 0) {
- ALOGE("Unable to set control!");
- goto list_continue;
- }
- }
- } else if(mixer_data->type == MIXER_DATA_TYPE_WRITE) {
- rc = tinyalsa_mixer_set_route_write(mixer, mixer_data);
- if(rc < 0) {
- ALOGE("Unable to write!");
- goto list_continue;
- }
- }
-
-list_continue:
- if(list->next != NULL)
- list = list->next;
- else
- break;
- }
-
- return 0;
-}
-
-int tinyalsa_mixer_set_route(struct tinyalsa_mixer *mixer,
- struct tinyalsa_mixer_io *mixer_io, audio_devices_t device)
-{
- struct tinyalsa_mixer_device *mixer_device = NULL;
- struct list_head *list = NULL;
- int rc;
-
- if(mixer == NULL || mixer_io == NULL)
- return -1;
-
- ALOGD("%s(card=%d,device=%d)++",__func__,mixer_io->props.card,device);
-
- mixer->mixer = mixer_open(mixer_io->props.card);
- if(mixer->mixer == NULL) {
- ALOGE("Unable to open mixer for card: %d", mixer_io->props.card);
- return -1;
- }
-
-
- mixer_device = tinyalsa_mixer_get_device(mixer_io, device);
- if(mixer_device == NULL) {
- ALOGE("Unable to find a matching device: 0x%x", device);
- goto error_mixer;
- }
-
- // No need to disable and enable the same route
- if(mixer_device == mixer_io->device_current)
- goto exit_mixer;
-
- if(mixer_io->device_current != NULL) {
- rc = tinyalsa_mixer_set_route_list(mixer, mixer_io->device_current->disable);
- if(rc < 0) {
- ALOGE("Unable to disable current device controls");
- goto error_mixer;
- }
- }
-
- rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->enable);
- if(rc < 0) {
- ALOGE("Unable to enable device controls");
- goto error_mixer;
- }
-
- mixer_io->device_current = mixer_device;
-
-exit_mixer:
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(card=%d,device=%d)--",__func__,mixer_io->props.card,device);
-
- return 0;
-
-error_mixer:
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(card=%d,device=%d)-- (MIXER ERROR)",__func__,mixer_io->props.card,device);
-
- return -1;
-}
-
-int tinyalsa_mixer_set_device_volume_with_attr(struct tinyalsa_mixer *mixer,
- enum tinyalsa_mixer_direction direction, audio_devices_t device,
- char *attr, float volume)
-{
- struct tinyalsa_mixer_io *mixer_io = NULL;
- struct tinyalsa_mixer_device *mixer_device = NULL;
- struct tinyalsa_mixer_data *mixer_data = NULL;
- struct list_head *list = NULL;
- int value, value_min, value_max, values_count;
- char *value_string = NULL;
- int rc;
-
- if(mixer == NULL || attr == NULL)
- return -1;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)++",__func__,direction,device,attr,volume);
-
- switch(direction) {
- case TINYALSA_MIXER_DIRECTION_OUTPUT:
- mixer_io = &mixer->output;
- break;
- case TINYALSA_MIXER_DIRECTION_INPUT:
- mixer_io = &mixer->input;
- break;
- case TINYALSA_MIXER_DIRECTION_MODEM:
- mixer_io = &mixer->modem;
- break;
- default:
- ALOGE("Invalid diretion: 0x%x", direction);
- return -1;
- }
-
- if(!mixer_io->state) {
- ALOGE("Unable to set device for the asked direction: state is %d", mixer_io->state);
- return -1;
- }
-
- mixer->mixer = mixer_open(mixer_io->props.card);
- if(mixer->mixer == NULL) {
- ALOGE("Unable to open mixer for card: %d", mixer_io->props.card);
- return -1;
- }
-
- mixer_device = tinyalsa_mixer_get_device(mixer_io, device);
- if(mixer_device == NULL) {
- ALOGE("Unable to find a matching device: 0x%x", device);
- goto error_mixer;
- }
-
- list = mixer_device->enable;
-
- mixer_data = tinyalsa_mixer_get_data_with_attr(list, attr);
- if(mixer_data == NULL) {
- ALOGE("Unable to find a matching ctrl with attr: %s", attr);
- goto error_mixer;
- }
-
- if(mixer_data->value == NULL) {
- ALOGE("Missing mixer data value!");
- goto error_mixer;
- }
-
- values_count = sscanf(mixer_data->value, "%d-%d", &value_min, &value_max);
- if(values_count != 2) {
- ALOGE("Failed to get mixer data value!");
- goto error_mixer;
- }
-
- value = (value_max - value_min) * volume + value_min;
-
- // Ugly workaround because a string value is needed
- value_string = mixer_data->value;
- asprintf(&mixer_data->value, "%d", value);
-
- rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data);
- if(rc < 0) {
- ALOGE("Unable to set ctrl!");
- goto error_data;
- }
-
- free(mixer_data->value);
- mixer_data->value = value_string;
-
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)--",__func__,direction,device,attr,volume);
-
- return 0;
-
-error_data:
- free(mixer_data->value);
- mixer_data->value = value_string;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)-- (DATA ERROR)",__func__,direction,device,attr,volume);
-
-error_mixer:
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)-- (MIXER ERROR)",__func__,direction,device,attr,volume);
-
- return -1;
-}
-
-int tinyalsa_mixer_set_device_state_with_attr(struct tinyalsa_mixer *mixer,
- enum tinyalsa_mixer_direction direction, audio_devices_t device,
- char *attr, int state)
-{
- struct tinyalsa_mixer_io *mixer_io = NULL;
- struct tinyalsa_mixer_device *mixer_device = NULL;
- struct tinyalsa_mixer_data *mixer_data = NULL;
- struct list_head *list = NULL;
- int rc;
-
- if(mixer == NULL || attr == NULL)
- return -1;
-
- state = state >= 1 ? 1 : 0;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)++",__func__,direction,device,attr,state);
-
- switch(direction) {
- case TINYALSA_MIXER_DIRECTION_OUTPUT:
- mixer_io = &mixer->output;
- break;
- case TINYALSA_MIXER_DIRECTION_INPUT:
- mixer_io = &mixer->input;
- break;
- case TINYALSA_MIXER_DIRECTION_MODEM:
- mixer_io = &mixer->modem;
- break;
- default:
- ALOGE("Invalid diretion: 0x%x", direction);
- return -1;
- }
-
- if(!mixer_io->state) {
- ALOGE("Unable to set device for the asked direction: state is %d", mixer_io->state);
- return -1;
- }
-
- mixer->mixer = mixer_open(mixer_io->props.card);
- if(mixer->mixer == NULL) {
- ALOGE("Unable to open mixer for card: %d", mixer_io->props.card);
- return -1;
- }
-
- mixer_device = tinyalsa_mixer_get_device(mixer_io, device);
- if(mixer_device == NULL) {
- ALOGE("Unable to find a matching device: 0x%x", device);
- goto error_mixer;
- }
-
- if(state)
- list = mixer_device->enable;
- else
- list = mixer_device->disable;
-
- mixer_data = tinyalsa_mixer_get_data_with_attr(list, attr);
- if(mixer_data == NULL) {
- ALOGE("Unable to find a matching ctrl with attr: %s", attr);
- goto error_mixer;
- }
-
- rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data);
- if(rc < 0) {
- ALOGE("Unable to set ctrl!");
- goto error_mixer;
- }
-
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)--",__func__,direction,device,attr,state);
-
- return 0;
-
-error_mixer:
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)-- (MIXER ERROR)",__func__,direction,device,attr,state);
-
- return -1;
-}
-
-int tinyalsa_mixer_set_state(struct tinyalsa_mixer *mixer,
- enum tinyalsa_mixer_direction direction, int state)
-{
- struct tinyalsa_mixer_io *mixer_io = NULL;
- struct tinyalsa_mixer_device *mixer_device = NULL;
- struct list_head *list;
- audio_devices_t default_device;
- int rc;
-
- if(mixer == NULL)
- return -1;
-
- state = state >= 1 ? 1 : 0;
-
- ALOGD("%s(direction=%d, state=%d)++",__func__,direction,state);
-
- switch(direction) {
- case TINYALSA_MIXER_DIRECTION_OUTPUT:
- mixer_io = &mixer->output;
- default_device = AUDIO_DEVICE_OUT_DEFAULT;
- break;
- case TINYALSA_MIXER_DIRECTION_INPUT:
- mixer_io = &mixer->input;
- default_device = AUDIO_DEVICE_IN_DEFAULT;
- break;
- case TINYALSA_MIXER_DIRECTION_MODEM:
- mixer_io = &mixer->modem;
- default_device = AUDIO_DEVICE_OUT_DEFAULT;
- break;
- default:
- ALOGE("Invalid diretion: 0x%x", direction);
- return -1;
- }
-
- if(mixer_io->state == state) {
- ALOGD("Current state is already: %d", state);
- return 0;
- }
-
- mixer->mixer = mixer_open(mixer_io->props.card);
- if(mixer->mixer == NULL) {
- ALOGE("Unable to open mixer for card: %d", mixer_io->props.card);
- return -1;
- }
-
- if(!state && mixer_io->device_current != NULL &&
- mixer_io->device_current->disable != NULL) {
- rc = tinyalsa_mixer_set_route_list(mixer, mixer_io->device_current->disable);
- if(rc < 0) {
- ALOGE("Unable to disable current device controls");
- goto error_mixer;
- }
- }
-
- mixer_device = tinyalsa_mixer_get_device(mixer_io, default_device);
- if(mixer_device == NULL) {
- ALOGD("Unable to find default device");
- // This is not really an issue
- }
-
- if(state && mixer_device != NULL && mixer_device->enable != NULL) {
- rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->enable);
- if(rc < 0) {
- ALOGE("Unable to enable default device controls");
- goto error_mixer;
- }
- } else if(!state && mixer_device != NULL) {
- rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->disable);
- if(rc < 0) {
- ALOGE("Unable to disable default device controls");
- goto error_mixer;
- }
- }
-
- mixer_io->device_current = NULL;
- mixer_io->state = state;
-
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, state=%d)--",__func__,direction,state);
-
- return 0;
-
-error_mixer:
- mixer_close(mixer->mixer);
- mixer->mixer = NULL;
-
- ALOGD("%s(direction=%d, state=%d)-- (MIXER ERROR)",__func__,direction,state);
-
- return -1;
-}
-
-/*
- * Interface
- */
-
-int tinyalsa_mixer_set_output_state(struct tinyalsa_mixer *mixer, int state)
-{
- ALOGD("%s(%d)", __func__, state);
-
- return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_OUTPUT, state);
-}
-
-int tinyalsa_mixer_set_input_state(struct tinyalsa_mixer *mixer, int state)
-{
- ALOGD("%s(%d)", __func__, state);
-
- return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_INPUT, state);
-}
-
-int tinyalsa_mixer_set_modem_state(struct tinyalsa_mixer *mixer, int state)
-{
- ALOGD("%s(%d)", __func__, state);
-
- return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_MODEM, state);
-}
-
-int tinyalsa_mixer_set_device(struct tinyalsa_mixer *mixer, audio_devices_t device)
-{
- int rc;
-
- ALOGD("%s(%x)", __func__, device);
-
- if(mixer == NULL)
- return -1;
-
- if(!audio_is_output_device(device) && !audio_is_input_device(device)) {
- ALOGE("Invalid device: 0x%x", device);
- return -1;
- }
-
-
- if(audio_is_output_device(device) && mixer->output.state) {
- rc = tinyalsa_mixer_set_route(mixer, &mixer->output, device);
- if(rc < 0) {
- ALOGE("Unable to set route for output device: 0x%x", device);
- return -1;
- }
- }
-
- if(audio_is_input_device(device) && mixer->input.state) {
- rc = tinyalsa_mixer_set_route(mixer, &mixer->input, device);
- if(rc < 0) {
- ALOGE("Unable to set route for input device: 0x%x", device);
- return -1;
- }
- }
-
- if(audio_is_output_device(device) && mixer->modem.state) {
- rc = tinyalsa_mixer_set_route(mixer, &mixer->modem, device);
- if(rc < 0) {
- ALOGE("Unable to set route for modem device: 0x%x", device);
- return -1;
- }
- }
-
- return 0;
-}
-
-int tinyalsa_mixer_set_output_volume(struct tinyalsa_mixer *mixer,
- audio_devices_t device, float volume)
-{
- ALOGD("%s(%p, %x, %f)", __func__, mixer, device, volume);
-
- return tinyalsa_mixer_set_device_volume_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_OUTPUT, device,
- "output-volume", volume);
-}
-
-int tinyalsa_mixer_set_master_volume(struct tinyalsa_mixer *mixer, float volume)
-{
- ALOGD("%s(%p, %f)", __func__, mixer, volume);
-
- return tinyalsa_mixer_set_device_volume_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_OUTPUT, AUDIO_DEVICE_OUT_DEFAULT,
- "master-volume", volume);
-}
-
-int tinyalsa_mixer_set_mic_mute(struct tinyalsa_mixer *mixer,
- audio_devices_t device, int mute)
-{
- ALOGD("%s(%p, %x, %d)", __func__, mixer, device, mute);
-
- // Mic mute can be set for both input and modem directions
- if(audio_is_input_device(device)) {
- return tinyalsa_mixer_set_device_state_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_INPUT, device,
- "mic-mute", mute);
- } else if(audio_is_output_device(device)) {
- return tinyalsa_mixer_set_device_state_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_MODEM, device,
- "mic-mute", mute);
- } else {
- return -1;
- }
-}
-
-int tinyalsa_mixer_set_input_gain(struct tinyalsa_mixer *mixer,
- audio_devices_t device, float gain)
-{
- ALOGD("%s(%p, %x, %f)", __func__, mixer, device, gain);
-
- return tinyalsa_mixer_set_device_volume_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_INPUT, device,
- "input-gain", gain);
-}
-
-int tinyalsa_mixer_set_voice_volume(struct tinyalsa_mixer *mixer,
- audio_devices_t device, float volume)
-{
- ALOGD("%s(%p, %x, %f)", __func__, mixer, device, volume);
-
- return tinyalsa_mixer_set_device_volume_with_attr(mixer,
- TINYALSA_MIXER_DIRECTION_MODEM, device,
- "voice-volume", volume);
-}
-
-struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_output_props(struct tinyalsa_mixer *mixer)
-{
- ALOGD("%s(%p)", __func__, mixer);
-
- return &(mixer->output.props);
-}
-
-struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_input_props(struct tinyalsa_mixer *mixer)
-{
- ALOGD("%s(%p)", __func__, mixer);
-
- return &(mixer->input.props);
-}
-
-struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_modem_props(struct tinyalsa_mixer *mixer)
-{
- ALOGD("%s(%p)", __func__, mixer);
-
- return &(mixer->modem.props);
-}
-
-void tinyalsa_mixer_close(struct tinyalsa_mixer *mixer)
-{
- ALOGD("%s(%p)", __func__, mixer);
-
- if(mixer == NULL)
- return;
-
- tinyalsa_mixer_set_output_state(mixer, 0);
- tinyalsa_mixer_set_input_state(mixer, 0);
- tinyalsa_mixer_set_modem_state(mixer, 0);
-
- tinyalsa_mixer_io_free_devices(&mixer->output);
- tinyalsa_mixer_io_free_devices(&mixer->input);
- tinyalsa_mixer_io_free_devices(&mixer->modem);
-
- free(mixer);
-}
-
-int tinyalsa_mixer_open(struct tinyalsa_mixer **mixer_p, char *config_file)
-{
- struct tinyalsa_mixer *mixer = NULL;
- int rc;
-
- ALOGD("%s(%p, %s)", __func__, mixer_p, config_file);
-
- if(mixer_p == NULL || config_file == NULL)
- return -1;
-
- mixer = calloc(1, sizeof(struct tinyalsa_mixer));
-
- rc = tinyalsa_mixer_config_parse(mixer, config_file);
- if(rc < 0) {
- ALOGE("Unable to parse mixer config!");
- goto error_mixer;
- }
-
- *mixer_p = mixer;
-
- return 0;
-
-error_mixer:
- *mixer_p = NULL;
-
- free(mixer);
-
- return -1;
-}