/*
* 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 "offload_effect_api"
//#define LOG_NDEBUG 0
#include <stdio.h>
#include <errno.h>
#include <stdbool.h>
#include <cutils/log.h>
#include <tinyalsa/asoundlib.h>
#include <sound/audio_effects.h>
#include "effect_api.h"
#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
#define OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL 19
const int map_eq_opensl_preset_2_offload_preset[] = {
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL, /* Normal Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+1, /* Classical Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+2, /* Dance Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+3, /* Flat Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+4, /* Folk Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+5, /* Heavy Metal Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+6, /* Hip Hop Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+7, /* Jazz Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+8, /* Pop Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+9, /* Rock Preset */
OFFLOAD_PRESET_START_OFFSET_FOR_OPENSL+10 /* FX Booster */
};
const int map_reverb_opensl_preset_2_offload_preset
[NUM_OSL_REVERB_PRESETS_SUPPORTED][2] = {
{1, 15},
{2, 16},
{3, 17},
{4, 18},
{5, 3},
{6, 20}
};
int offload_update_mixer_and_effects_ctl(int card, int device_id,
struct mixer *mixer,
struct mixer_ctl *ctl)
{
char mixer_string[128];
snprintf(mixer_string, sizeof(mixer_string),
"%s %d", "Audio Effects Config", device_id);
ALOGV("%s: mixer_string: %s", __func__, mixer_string);
mixer = mixer_open(card);
if (!mixer) {
ALOGE("Failed to open mixer");
ctl = NULL;
return -EINVAL;
} else {
ctl = mixer_get_ctl_by_name(mixer, mixer_string);
if (!ctl) {
ALOGE("mixer_get_ctl_by_name failed");
mixer_close(mixer);
mixer = NULL;
return -EINVAL;
}
}
ALOGV("mixer: %p, ctl: %p", mixer, ctl);
return 0;
}
void offload_close_mixer(struct mixer *mixer)
{
mixer_close(mixer);
}
void offload_bassboost_set_device(struct bass_boost_params *bassboost,
uint32_t device)
{
ALOGV("%s", __func__);
bassboost->device = device;
}
void offload_bassboost_set_enable_flag(struct bass_boost_params *bassboost,
bool enable)
{
ALOGV("%s", __func__);
bassboost->enable_flag = enable;
}
int offload_bassboost_get_enable_flag(struct bass_boost_params *bassboost)
{
ALOGV("%s", __func__);
return bassboost->enable_flag;
}
void offload_bassboost_set_strength(struct bass_boost_params *bassboost,
int strength)
{
ALOGV("%s", __func__);
bassboost->strength = strength;
}
void offload_bassboost_set_mode(struct bass_boost_params *bassboost,
int mode)
{
ALOGV("%s", __func__);
bassboost->mode = mode;
}
int offload_bassboost_send_params(struct mixer_ctl *ctl,
struct bass_boost_params *bassboost,
unsigned param_send_flags)
{
int param_values[128] = {0};
int *p_param_values = param_values;
ALOGV("%s", __func__);
*p_param_values++ = BASS_BOOST_MODULE;
*p_param_values++ = bassboost->device;
*p_param_values++ = 0; /* num of commands*/
if (param_send_flags & OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG) {
*p_param_values++ = BASS_BOOST_ENABLE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = BASS_BOOST_ENABLE_PARAM_LEN;
*p_param_values++ = bassboost->enable_flag;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_BASSBOOST_STRENGTH) {
*p_param_values++ = BASS_BOOST_STRENGTH;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = BASS_BOOST_STRENGTH_PARAM_LEN;
*p_param_values++ = bassboost->strength;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_BASSBOOST_MODE) {
*p_param_values++ = BASS_BOOST_MODE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = BASS_BOOST_MODE_PARAM_LEN;
*p_param_values++ = bassboost->mode;
param_values[2] += 1;
}
if (param_values[2] && ctl)
mixer_ctl_set_array(ctl, param_values, ARRAY_SIZE(param_values));
return 0;
}
void offload_virtualizer_set_device(struct virtualizer_params *virtualizer,
uint32_t device)
{
ALOGV("%s", __func__);
virtualizer->device = device;
}
void offload_virtualizer_set_enable_flag(struct virtualizer_params *virtualizer,
bool enable)
{
ALOGV("%s", __func__);
virtualizer->enable_flag = enable;
}
int offload_virtualizer_get_enable_flag(struct virtualizer_params *virtualizer)
{
ALOGV("%s", __func__);
return virtualizer->enable_flag;
}
void offload_virtualizer_set_strength(struct virtualizer_params *virtualizer,
int strength)
{
ALOGV("%s", __func__);
virtualizer->strength = strength;
}
void offload_virtualizer_set_out_type(struct virtualizer_params *virtualizer,
int out_type)
{
ALOGV("%s", __func__);
virtualizer->out_type = out_type;
}
void offload_virtualizer_set_gain_adjust(struct virtualizer_params *virtualizer,
int gain_adjust)
{
ALOGV("%s", __func__);
virtualizer->gain_adjust = gain_adjust;
}
int offload_virtualizer_send_params(struct mixer_ctl *ctl,
struct virtualizer_params *virtualizer,
unsigned param_send_flags)
{
int param_values[128] = {0};
int *p_param_values = param_values;
ALOGV("%s", __func__);
*p_param_values++ = VIRTUALIZER_MODULE;
*p_param_values++ = virtualizer->device;
*p_param_values++ = 0; /* num of commands*/
if (param_send_flags & OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG) {
*p_param_values++ = VIRTUALIZER_ENABLE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = VIRTUALIZER_ENABLE_PARAM_LEN;
*p_param_values++ = virtualizer->enable_flag;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_VIRTUALIZER_STRENGTH) {
*p_param_values++ = VIRTUALIZER_STRENGTH;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = VIRTUALIZER_STRENGTH_PARAM_LEN;
*p_param_values++ = virtualizer->strength;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_VIRTUALIZER_OUT_TYPE) {
*p_param_values++ = VIRTUALIZER_OUT_TYPE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = VIRTUALIZER_OUT_TYPE_PARAM_LEN;
*p_param_values++ = virtualizer->out_type;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_VIRTUALIZER_GAIN_ADJUST) {
*p_param_values++ = VIRTUALIZER_GAIN_ADJUST;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = VIRTUALIZER_GAIN_ADJUST_PARAM_LEN;
*p_param_values++ = virtualizer->gain_adjust;
param_values[2] += 1;
}
if (param_values[2] && ctl)
mixer_ctl_set_array(ctl, param_values, ARRAY_SIZE(param_values));
return 0;
}
void offload_eq_set_device(struct eq_params *eq, uint32_t device)
{
ALOGV("%s", __func__);
eq->device = device;
}
void offload_eq_set_enable_flag(struct eq_params *eq, bool enable)
{
ALOGV("%s", __func__);
eq->enable_flag = enable;
}
int offload_eq_get_enable_flag(struct eq_params *eq)
{
ALOGV("%s", __func__);
return eq->enable_flag;
}
void offload_eq_set_preset(struct eq_params *eq, int preset)
{
ALOGV("%s", __func__);
eq->config.preset_id = preset;
eq->config.eq_pregain = Q27_UNITY;
}
void offload_eq_set_bands_level(struct eq_params *eq, int num_bands,
const uint16_t *band_freq_list,
int *band_gain_list)
{
int i;
ALOGV("%s", __func__);
eq->config.num_bands = num_bands;
for (i=0; i<num_bands; i++) {
eq->per_band_cfg[i].band_idx = i;
eq->per_band_cfg[i].filter_type = EQ_BAND_BOOST;
eq->per_band_cfg[i].freq_millihertz = band_freq_list[i] * 1000;
eq->per_band_cfg[i].gain_millibels = band_gain_list[i] * 100;
eq->per_band_cfg[i].quality_factor = Q8_UNITY;
}
}
int offload_eq_send_params(struct mixer_ctl *ctl, struct eq_params *eq,
unsigned param_send_flags)
{
int param_values[128] = {0};
int *p_param_values = param_values;
uint32_t i;
ALOGV("%s", __func__);
if (eq->config.preset_id < -1 ) {
ALOGV("No Valid preset to set");
return 0;
}
*p_param_values++ = EQ_MODULE;
*p_param_values++ = eq->device;
*p_param_values++ = 0; /* num of commands*/
if (param_send_flags & OFFLOAD_SEND_EQ_ENABLE_FLAG) {
*p_param_values++ = EQ_ENABLE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = EQ_ENABLE_PARAM_LEN;
*p_param_values++ = eq->enable_flag;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_EQ_PRESET) {
*p_param_values++ = EQ_CONFIG;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = EQ_CONFIG_PARAM_LEN;
*p_param_values++ = eq->config.eq_pregain;
*p_param_values++ =
map_eq_opensl_preset_2_offload_preset[eq->config.preset_id];
*p_param_values++ = 0;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_EQ_BANDS_LEVEL) {
*p_param_values++ = EQ_CONFIG;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = EQ_CONFIG_PARAM_LEN +
eq->config.num_bands * EQ_CONFIG_PER_BAND_PARAM_LEN;
*p_param_values++ = eq->config.eq_pregain;
*p_param_values++ = CUSTOM_OPENSL_PRESET;
*p_param_values++ = eq->config.num_bands;
for (i=0; i<eq->config.num_bands; i++) {
*p_param_values++ = eq->per_band_cfg[i].band_idx;
*p_param_values++ = eq->per_band_cfg[i].filter_type;
*p_param_values++ = eq->per_band_cfg[i].freq_millihertz;
*p_param_values++ = eq->per_band_cfg[i].gain_millibels;
*p_param_values++ = eq->per_band_cfg[i].quality_factor;
}
param_values[2] += 1;
}
if (param_values[2] && ctl)
mixer_ctl_set_array(ctl, param_values, ARRAY_SIZE(param_values));
return 0;
}
void offload_reverb_set_device(struct reverb_params *reverb, uint32_t device)
{
ALOGV("%s", __func__);
reverb->device = device;
}
void offload_reverb_set_enable_flag(struct reverb_params *reverb, bool enable)
{
ALOGV("%s", __func__);
reverb->enable_flag = enable;
}
int offload_reverb_get_enable_flag(struct reverb_params *reverb)
{
ALOGV("%s", __func__);
return reverb->enable_flag;
}
void offload_reverb_set_mode(struct reverb_params *reverb, int mode)
{
ALOGV("%s", __func__);
reverb->mode = mode;
}
void offload_reverb_set_preset(struct reverb_params *reverb, int preset)
{
ALOGV("%s", __func__);
if (preset && (preset <= NUM_OSL_REVERB_PRESETS_SUPPORTED))
reverb->preset = map_reverb_opensl_preset_2_offload_preset[preset-1][1];
}
void offload_reverb_set_wet_mix(struct reverb_params *reverb, int wet_mix)
{
ALOGV("%s", __func__);
reverb->wet_mix = wet_mix;
}
void offload_reverb_set_gain_adjust(struct reverb_params *reverb,
int gain_adjust)
{
ALOGV("%s", __func__);
reverb->gain_adjust = gain_adjust;
}
void offload_reverb_set_room_level(struct reverb_params *reverb, int room_level)
{
ALOGV("%s", __func__);
reverb->room_level = room_level;
}
void offload_reverb_set_room_hf_level(struct reverb_params *reverb,
int room_hf_level)
{
ALOGV("%s", __func__);
reverb->room_hf_level = room_hf_level;
}
void offload_reverb_set_decay_time(struct reverb_params *reverb, int decay_time)
{
ALOGV("%s", __func__);
reverb->decay_time = decay_time;
}
void offload_reverb_set_decay_hf_ratio(struct reverb_params *reverb,
int decay_hf_ratio)
{
ALOGV("%s", __func__);
reverb->decay_hf_ratio = decay_hf_ratio;
}
void offload_reverb_set_reflections_level(struct reverb_params *reverb,
int reflections_level)
{
ALOGV("%s", __func__);
reverb->reflections_level = reflections_level;
}
void offload_reverb_set_reflections_delay(struct reverb_params *reverb,
int reflections_delay)
{
ALOGV("%s", __func__);
reverb->reflections_delay = reflections_delay;
}
void offload_reverb_set_reverb_level(struct reverb_params *reverb,
int reverb_level)
{
ALOGV("%s", __func__);
reverb->level = reverb_level;
}
void offload_reverb_set_delay(struct reverb_params *reverb, int delay)
{
ALOGV("%s", __func__);
reverb->delay = delay;
}
void offload_reverb_set_diffusion(struct reverb_params *reverb, int diffusion)
{
ALOGV("%s", __func__);
reverb->diffusion = diffusion;
}
void offload_reverb_set_density(struct reverb_params *reverb, int density)
{
ALOGV("%s", __func__);
reverb->density = density;
}
int offload_reverb_send_params(struct mixer_ctl *ctl,
struct reverb_params *reverb,
unsigned param_send_flags)
{
int param_values[128] = {0};
int *p_param_values = param_values;
ALOGV("%s", __func__);
*p_param_values++ = REVERB_MODULE;
*p_param_values++ = reverb->device;
*p_param_values++ = 0; /* num of commands*/
if (param_send_flags & OFFLOAD_SEND_REVERB_ENABLE_FLAG) {
*p_param_values++ = REVERB_ENABLE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_ENABLE_PARAM_LEN;
*p_param_values++ = reverb->enable_flag;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_MODE) {
*p_param_values++ = REVERB_MODE;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_MODE_PARAM_LEN;
*p_param_values++ = reverb->mode;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_PRESET) {
*p_param_values++ = REVERB_PRESET;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_PRESET_PARAM_LEN;
*p_param_values++ = reverb->preset;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_WET_MIX) {
*p_param_values++ = REVERB_WET_MIX;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_WET_MIX_PARAM_LEN;
*p_param_values++ = reverb->wet_mix;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_GAIN_ADJUST) {
*p_param_values++ = REVERB_GAIN_ADJUST;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_GAIN_ADJUST_PARAM_LEN;
*p_param_values++ = reverb->gain_adjust;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_ROOM_LEVEL) {
*p_param_values++ = REVERB_ROOM_LEVEL;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_ROOM_LEVEL_PARAM_LEN;
*p_param_values++ = reverb->room_level;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_ROOM_HF_LEVEL) {
*p_param_values++ = REVERB_ROOM_HF_LEVEL;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_ROOM_HF_LEVEL_PARAM_LEN;
*p_param_values++ = reverb->room_hf_level;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_DECAY_TIME) {
*p_param_values++ = REVERB_DECAY_TIME;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_DECAY_TIME_PARAM_LEN;
*p_param_values++ = reverb->decay_time;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_DECAY_HF_RATIO) {
*p_param_values++ = REVERB_DECAY_HF_RATIO;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_DECAY_HF_RATIO_PARAM_LEN;
*p_param_values++ = reverb->decay_hf_ratio;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_REFLECTIONS_LEVEL) {
*p_param_values++ = REVERB_REFLECTIONS_LEVEL;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_REFLECTIONS_LEVEL_PARAM_LEN;
*p_param_values++ = reverb->reflections_level;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_REFLECTIONS_DELAY) {
*p_param_values++ = REVERB_REFLECTIONS_DELAY;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_REFLECTIONS_DELAY_PARAM_LEN;
*p_param_values++ = reverb->reflections_delay;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_LEVEL) {
*p_param_values++ = REVERB_LEVEL;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_LEVEL_PARAM_LEN;
*p_param_values++ = reverb->level;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_DELAY) {
*p_param_values++ = REVERB_DELAY;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_DELAY_PARAM_LEN;
*p_param_values++ = reverb->delay;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_DIFFUSION) {
*p_param_values++ = REVERB_DIFFUSION;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_DIFFUSION_PARAM_LEN;
*p_param_values++ = reverb->diffusion;
param_values[2] += 1;
}
if (param_send_flags & OFFLOAD_SEND_REVERB_DENSITY) {
*p_param_values++ = REVERB_DENSITY;
*p_param_values++ = CONFIG_SET;
*p_param_values++ = 0; /* start offset if param size if greater than 128 */
*p_param_values++ = REVERB_DENSITY_PARAM_LEN;
*p_param_values++ = reverb->density;
param_values[2] += 1;
}
if (param_values[2] && ctl)
mixer_ctl_set_array(ctl, param_values, ARRAY_SIZE(param_values));
return 0;
}