blob: bbf105688ccfa56f4b062266b83162c83c20b6ec [file] [log] [blame]
/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define LOG_TAG "audio_pp_asphere"
/*#define LOG_NDEBUG 0*/
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <cutils/log.h>
#include <cutils/list.h>
#include <cutils/str_parms.h>
#include <cutils/properties.h>
#include <hardware/audio_effect.h>
#include "bundle.h"
#include "equalizer.h"
#include "bass_boost.h"
#include "virtualizer.h"
#include "reverb.h"
#include "asphere.h"
#define ASPHERE_MIXER_NAME "MSM ASphere Set Param"
#define AUDIO_PARAMETER_KEY_ASPHERE_STATUS "asphere_status"
#define AUDIO_PARAMETER_KEY_ASPHERE_ENABLE "asphere_enable"
#define AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH "asphere_strength"
#define AUDIO_ASPHERE_EVENT_NODE "/data/misc/audio_pp/event_node"
enum {
ASPHERE_ACTIVE = 0,
ASPHERE_SUSPENDED,
ASPHERE_ERROR
};
struct asphere_module {
bool enabled;
int status;
int strength;
pthread_mutex_t lock;
int init_status;
};
static struct asphere_module asphere;
pthread_once_t asphere_once = PTHREAD_ONCE_INIT;
static int asphere_create_app_notification_node(void)
{
int fd;
if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_CREAT|O_TRUNC|O_WRONLY,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
ALOGE("creating notification node failed %d", errno);
return -EINVAL;
}
chmod(AUDIO_ASPHERE_EVENT_NODE, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH);
close(fd);
ALOGD("%s: successfully created notification node %s",
__func__, AUDIO_ASPHERE_EVENT_NODE);
return 0;
}
static int asphere_notify_app(void)
{
int fd;
if ((fd = open(AUDIO_ASPHERE_EVENT_NODE, O_TRUNC|O_WRONLY)) < 0) {
ALOGE("opening notification node failed %d", errno);
return -EINVAL;
}
close(fd);
ALOGD("%s: successfully opened notification node", __func__);
return 0;
}
static int asphere_get_values_from_mixer(void)
{
int ret = 0, val[2] = {-1, -1};
struct mixer_ctl *ctl = NULL;
struct mixer *mixer = mixer_open(MIXER_CARD);
if (mixer)
ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
if (!ctl) {
ALOGE("%s: could not get ctl for mixer cmd - %s",
__func__, ASPHERE_MIXER_NAME);
return -EINVAL;
}
ret = mixer_ctl_get_array(ctl, val, sizeof(val)/sizeof(val[0]));
if (!ret) {
asphere.enabled = (val[0] == 0) ? false : true;
asphere.strength = val[1];
}
ALOGD("%s: returned %d, enabled:%d, strength:%d",
__func__, ret, val[0], val[1]);
return ret;
}
static int asphere_set_values_to_mixer(void)
{
int ret = 0, val[2] = {-1, -1};
struct mixer_ctl *ctl = NULL;
struct mixer *mixer = mixer_open(MIXER_CARD);
if (mixer)
ctl = mixer_get_ctl_by_name(mixer, ASPHERE_MIXER_NAME);
if (!ctl) {
ALOGE("%s: could not get ctl for mixer cmd - %s",
__func__, ASPHERE_MIXER_NAME);
return -EINVAL;
}
val[0] = ((asphere.status == ASPHERE_ACTIVE) && asphere.enabled) ? 1 : 0;
val[1] = asphere.strength;
ret = mixer_ctl_set_array(ctl, val, sizeof(val)/sizeof(val[0]));
ALOGD("%s: returned %d, enabled:%d, strength:%d",
__func__, ret, val[0], val[1]);
return ret;
}
static void asphere_init_once() {
ALOGD("%s", __func__);
pthread_mutex_init(&asphere.lock, NULL);
asphere.init_status = 1;
asphere_get_values_from_mixer();
asphere_create_app_notification_node();
}
static int asphere_init() {
pthread_once(&asphere_once, asphere_init_once);
return asphere.init_status;
}
void asphere_set_parameters(struct str_parms *parms)
{
int ret = 0;
bool enable = false;
int strength = -1;
char value[32] = {0};
char propValue[PROPERTY_VALUE_MAX] = {0};
bool set_enable = false, set_strength = false;
if (!property_get("audio.pp.asphere.enabled", propValue, "false") ||
(strncmp("true", propValue, 4) != 0)) {
ALOGV("%s: property not set!!! not doing anything", __func__);
return;
}
if (asphere_init() != 1) {
ALOGW("%s: init check failed!!!", __func__);
return;
}
ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
value, sizeof(value));
if (ret > 0) {
enable = (atoi(value) == 1) ? true : false;
set_enable = true;
}
ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
value, sizeof(value));
if (ret > 0) {
strength = atoi(value);
if (strength >= 0 && strength <= 1000)
set_strength = true;
}
if (set_enable || set_strength) {
pthread_mutex_lock(&asphere.lock);
asphere.enabled = set_enable ? enable : asphere.enabled;
asphere.strength = set_strength ? strength : asphere.strength;
ret = asphere_set_values_to_mixer();
pthread_mutex_unlock(&asphere.lock);
ALOGV("%s: exit ret %d", __func__, ret);
}
}
void asphere_get_parameters(struct str_parms *query,
struct str_parms *reply)
{
char value[32] = {0};
char propValue[PROPERTY_VALUE_MAX] = {0};
int get_status, get_enable, get_strength, ret;
if (!property_get("audio.pp.asphere.enabled", propValue, "false") ||
(strncmp("true", propValue, 4) != 0)) {
ALOGV("%s: property not set!!! not doing anything", __func__);
return;
}
if (asphere_init() != 1) {
ALOGW("%s: init check failed!!!", __func__);
return;
}
ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
value, sizeof(value));
if (ret >= 0) {
str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STATUS,
asphere.status);
}
ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
value, sizeof(value));
if (ret >= 0) {
str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_ENABLE,
asphere.enabled ? 1 : 0);
}
ret = str_parms_get_str(query, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
value, sizeof(value));
if (ret >= 0) {
str_parms_add_int(reply, AUDIO_PARAMETER_KEY_ASPHERE_STRENGTH,
asphere.strength);
}
}
static bool effect_needs_asphere_concurrency_handling(effect_context_t *context)
{
if (memcmp(&context->desc->type,
&equalizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
memcmp(&context->desc->type,
&bassboost_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
memcmp(&context->desc->type,
&virtualizer_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
memcmp(&context->desc->type,
&ins_preset_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0 ||
memcmp(&context->desc->type,
&ins_env_reverb_descriptor.type, sizeof(effect_uuid_t)) == 0)
return true;
return false;
}
void handle_asphere_on_effect_enabled(bool enable,
effect_context_t *context,
struct listnode *created_effects)
{
struct listnode *node;
char propValue[PROPERTY_VALUE_MAX] = {0};
ALOGV("%s: effect %0x", __func__, context->desc->type.timeLow);
if (!property_get("audio.pp.asphere.enabled", propValue, "false") ||
(strncmp("true", propValue, 4) != 0)) {
ALOGV("%s: property not set!!! not doing anything", __func__);
return;
}
if (asphere_init() != 1) {
ALOGW("%s: init check failed!!!", __func__);
return;
}
if (!effect_needs_asphere_concurrency_handling(context)) {
ALOGV("%s: effect %0x, do not need concurrency handling",
__func__, context->desc->type.timeLow);
return;
}
list_for_each(node, created_effects) {
effect_context_t *fx_ctxt = node_to_item(node,
effect_context_t,
effects_list_node);
if (fx_ctxt != NULL &&
effect_needs_asphere_concurrency_handling(fx_ctxt) == true &&
fx_ctxt != context && effect_is_active(fx_ctxt) == true) {
ALOGV("%s: found another effect %0x, skip processing %0x", __func__,
fx_ctxt->desc->type.timeLow, context->desc->type.timeLow);
return;
}
}
pthread_mutex_lock(&asphere.lock);
asphere.status = enable ? ASPHERE_SUSPENDED : ASPHERE_ACTIVE;
asphere_set_values_to_mixer();
asphere_notify_app();
pthread_mutex_unlock(&asphere.lock);
}