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dsAudio.c
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/*
* If not stated otherwise in this file or this component's LICENSE file the
* following copyright and licenses apply:
*
* Copyright 2017 RDK Management
*
* 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.
*/
#include <sys/types.h>
#include "dsAudio.h"
#include <stdint.h>
#include <math.h>
#include "dsError.h"
#include "dsUtl.h"
#include "dshalUtils.h"
#include <alsa/asoundlib.h>
#define ALSA_CARD_NAME "hw:0"
#if (SND_LIB_MAJOR >= 1) && (SND_LIB_MINOR >= 2)
#define ALSA_ELEMENT_NAME "HDMI"
#else
#define ALSA_ELEMENT_NAME "PCM"
#endif
#define MAX_LINEAR_DB_SCALE 24
typedef struct _AOPHandle_t {
dsAudioPortType_t m_vType;
int m_index;
int m_nativeHandle;
bool m_IsEnabled;
} AOPHandle_t;
static AOPHandle_t _handles[dsAUDIOPORT_TYPE_MAX][2] = {
};
float dBmin;
float dBmax;
static dsAudioEncoding_t _encoding = dsAUDIO_ENC_PCM;
static bool _isms11Enabled = false;
static dsAudioStereoMode_t _stereoModeHDMI = dsAUDIO_STEREO_STEREO;
static bool _bIsAudioInitialized = false;
static void dsGetdBRange();
bool dsIsValidHandle(intptr_t uHandle)
{
size_t index ;
bool retValue = false;
for (index = 0; index < dsAUDIOPORT_TYPE_MAX; index++) {
if ((intptr_t)&_handles[index][0] == uHandle) {
retValue = true;
break;
}
}
return retValue;
}
static int8_t initAlsa(const char *selemname, const char *s_card, snd_mixer_elem_t **element)
{
int ret = 0;
snd_mixer_t *smixer = NULL;
snd_mixer_selem_id_t *sid;
if ((ret = snd_mixer_open(&smixer, 0)) < 0) {
printf("Cannot open sound mixer %s", snd_strerror(ret));
snd_mixer_close(smixer);
return ret;
}
if ((ret = snd_mixer_attach(smixer, s_card)) < 0) {
printf("sound mixer attach Failed %s", snd_strerror(ret));
snd_mixer_close(smixer);
return ret;
}
if ((ret = snd_mixer_selem_register(smixer, NULL, NULL)) < 0) {
printf("Cannot register sound mixer element %s", snd_strerror(ret));
snd_mixer_close(smixer);
return ret;
}
ret = snd_mixer_load(smixer);
if (ret < 0) {
printf("Sound mixer load %s error: %s", s_card, snd_strerror(ret));
snd_mixer_close(smixer);
return ret;
}
ret = snd_mixer_selem_id_malloc(&sid);
if (ret < 0) {
printf("Sound mixer: id allocation failed. %s: error: %s", s_card, snd_strerror(ret));
snd_mixer_close(smixer);
return ret;
}
snd_mixer_selem_id_set_index(sid, 0);
snd_mixer_selem_id_set_name(sid, selemname);
*element = snd_mixer_find_selem(smixer, sid);
if (NULL == *element) {
printf("Unable to find simple control '%s',%i\n", snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
snd_mixer_close(smixer);
ret = -1;
}
return ret;
}
//###################################################################################################
dsError_t dsAudioPortInit()
{
dsError_t ret = dsERR_NONE;
if (_bIsAudioInitialized)
{
return dsERR_ALREADY_INITIALIZED;
}
_handles[dsAUDIOPORT_TYPE_HDMI][0].m_vType = dsAUDIOPORT_TYPE_HDMI;
_handles[dsAUDIOPORT_TYPE_HDMI][0].m_nativeHandle = dsAUDIOPORT_TYPE_HDMI;
_handles[dsAUDIOPORT_TYPE_HDMI][0].m_index = 0;
_handles[dsAUDIOPORT_TYPE_HDMI][0].m_IsEnabled = true;
_handles[dsAUDIOPORT_TYPE_SPDIF][0].m_vType = dsAUDIOPORT_TYPE_SPDIF;
_handles[dsAUDIOPORT_TYPE_SPDIF][0].m_nativeHandle = dsAUDIOPORT_TYPE_SPDIF;
_handles[dsAUDIOPORT_TYPE_SPDIF][0].m_index = 0;
_handles[dsAUDIOPORT_TYPE_SPDIF][0].m_IsEnabled = true;
dsGetdBRange();
_bIsAudioInitialized = true;
return ret;
}
static void dsGetdBRange()
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
long min_dB_value, max_dB_value;
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return;
}
if(!snd_mixer_selem_get_playback_dB_range(mixer_elem, &min_dB_value, &max_dB_value)) {
dBmax = (float) max_dB_value/100;
dBmin = (float) min_dB_value/100;
}
#endif
}
dsError_t dsGetAudioPort(dsAudioPortType_t type, int index, intptr_t *handle)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == handle || 0 != index || !dsAudioType_isValid(type))
{
return dsERR_INVALID_PARAM;
}
else
{
*handle = (intptr_t)&_handles[type][index];
}
return dsERR_NONE;
}
dsError_t dsGetAudioEncoding(intptr_t handle, dsAudioEncoding_t *encoding)
{
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == encoding || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
*encoding = _encoding;
return ret;
}
dsError_t dsGetAudioCompression(intptr_t handle, dsAudioCompression_t *compression)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == compression || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetStereoMode(intptr_t handle, dsAudioStereoMode_t *stereoMode)
{
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == stereoMode || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
*stereoMode = _stereoModeHDMI;
return ret;
}
dsError_t dsGetPersistedStereoMode (intptr_t handle, dsAudioStereoMode_t *stereoMode)
{
return dsERR_NONE;
}
dsError_t dsGetStereoAuto (intptr_t handle, int *autoMode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == autoMode || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsIsAudioMute (intptr_t handle, bool *muted)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
printf("Inside %s :%d\n",__FUNCTION__,__LINE__);
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) || NULL == muted ){
return dsERR_INVALID_PARAM;
}
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
int mute_status;
if (snd_mixer_selem_has_playback_switch(mixer_elem)) {
snd_mixer_selem_get_playback_switch(mixer_elem, SND_MIXER_SCHN_FRONT_LEFT, &mute_status);
if (!mute_status) {
*muted = true;
} else {
*muted = false;
}
}
else {
ret = dsERR_GENERAL;
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsSetAudioMute(intptr_t handle, bool mute)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
printf("Inside %s :%d\n",__FUNCTION__,__LINE__);
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
dsError_t ret = dsERR_NONE;
if( ! dsIsValidHandle(handle)){
return dsERR_INVALID_PARAM;
}
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
if (snd_mixer_selem_has_playback_switch(mixer_elem)) {
snd_mixer_selem_set_playback_switch_all(mixer_elem, !mute);
if (mute) {
printf("Audio Mute success\n");
} else {
printf("Audio Unmute success.\n");
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsIsAudioPortEnabled(intptr_t handle, bool *enabled)
{
printf("Inside %s :%d\n",__FUNCTION__,__LINE__);
dsError_t ret = dsERR_NONE;
bool audioEnabled = true;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (NULL == enabled || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
ret = dsIsAudioMute(handle, &audioEnabled);
if (ret == dsERR_NONE) {
*enabled = !audioEnabled;
}
return ret;
}
dsError_t dsEnableAudioPort(intptr_t handle, bool enabled)
{
printf("Inside %s :%d\n",__FUNCTION__,__LINE__);
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (!dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsSetAudioMute ( handle, !enabled );
}
dsError_t dsGetAudioGain(intptr_t handle, float *gain)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) || gain == NULL) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
long value_got;
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
long vol_min = 0, vol_max = 0;
double normalized= 0, min_norm = 0;
snd_mixer_elem_t *mixer_elem;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
snd_mixer_selem_get_playback_dB_range(mixer_elem, &vol_min, &vol_max);
if(!snd_mixer_selem_get_playback_dB(mixer_elem, SND_MIXER_SCHN_FRONT_LEFT, &value_got))
{
printf("dsGetAudioGain: Gain in dB %.2f\n", value_got/100.0);
if ((vol_max - vol_min) <= MAX_LINEAR_DB_SCALE * 100)
{
*gain = (value_got - vol_min) / (double)(vol_max - vol_min);
}
else
{
normalized = pow(10, (value_got - vol_max) / 6000.0);
if (vol_min != SND_CTL_TLV_DB_GAIN_MUTE)
{
min_norm = pow(10, (vol_min - vol_max) / 6000.0);
normalized = (normalized - min_norm) / (1 - min_norm);
}
*gain = (float)(((int)(100.0f * normalized + 0.5f))/1.0f);
printf("dsGetAudioGain: Rounded Gain in linear scale %.2f\n", *gain);
}
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsGetAudioDB(intptr_t handle, float *db)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) || db == NULL) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
long db_value;
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
if(!snd_mixer_selem_get_playback_dB(mixer_elem, SND_MIXER_SCHN_FRONT_LEFT, &db_value)) {
*db = (float) db_value/100;
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsGetAudioLevel(intptr_t handle, float *level)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) || NULL == level) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
long vol_value, min, max;
const char *s_card = "default";
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
if(!snd_mixer_selem_get_playback_volume(mixer_elem, SND_MIXER_SCHN_FRONT_LEFT, &vol_value)) {
snd_mixer_selem_get_playback_volume_range(mixer_elem, &min, &max);
if(min != vol_value){
min=min/2;
}
*level = round((float)((vol_value - min)*100.0/(max - min)));
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsGetAudioMaxDB(intptr_t handle, float *maxDb)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle) || NULL == maxDb) {
return dsERR_INVALID_PARAM;
}
*maxDb = dBmax;
return dsERR_NONE;
}
dsError_t dsGetAudioMinDB(intptr_t handle, float *minDb)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle) || NULL == minDb) {
return dsERR_INVALID_PARAM;
}
*minDb = dBmin;
return dsERR_NONE;
}
dsError_t dsGetAudioOptimalLevel(intptr_t handle, float *optimalLevel)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle) || NULL == optimalLevel) {
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsIsAudioLoopThru(intptr_t handle, bool *loopThru)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle) || NULL == loopThru) {
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetAudioEncoding(intptr_t handle, dsAudioEncoding_t encoding)
{
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
_encoding = encoding;
return ret;
}
dsError_t dsSetAudioCompression(intptr_t handle, dsAudioCompression_t compression)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsIsAudioMSDecode(intptr_t handle, bool *ms11Enabled)
{
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( !dsIsValidHandle(handle) || NULL == ms11Enabled)
{
return dsERR_INVALID_PARAM;
}
*ms11Enabled = _isms11Enabled;
return ret;
}
dsError_t dsSetStereoMode(intptr_t handle, dsAudioStereoMode_t mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle) || mode >= dsAUDIO_STEREO_MAX || mode <= dsAUDIO_STEREO_UNKNOWN )
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetStereoAuto (intptr_t handle, int autoMode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle) || autoMode < 0)
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetAudioGain(intptr_t handle, float gain)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) ) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
bool enabled = false;
ret = dsERR_GENERAL;
snd_mixer_elem_t *mixer_elem;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
dsIsAudioMute(handle, &enabled);
if (true == enabled)
{
printf("dsSetAudioGain: Mute is enabled. \n");
return ret;
}
long vol_min, vol_max;
double min_norm;
gain = gain / 100.0f;
snd_mixer_selem_get_playback_dB_range(mixer_elem, &vol_min, &vol_max);
if (vol_max - vol_min <= MAX_LINEAR_DB_SCALE * 100)
{
long floatval = lrint(gain * (vol_max - vol_min)) + vol_min;
snd_mixer_selem_set_playback_dB_all(mixer_elem, floatval, 0);
ret = dsERR_NONE;
}
else
{
if (vol_min != SND_CTL_TLV_DB_GAIN_MUTE)
{
min_norm = pow(10, (vol_min - vol_max) / 6000.0);
gain = gain * (1 - min_norm) + min_norm;
}
long floatval = lrint(6000.0 * log10(gain)) + vol_max;
snd_mixer_selem_set_playback_dB_all(mixer_elem, floatval, 0);
printf("dsSetAudioGain: Setting gain in dB: %.2f \n", floatval/100.0);
ret = dsERR_NONE;
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsSetAudioDB(intptr_t handle, float db)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) ) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
if(db < dBmin) {
db = dBmin;
}
if(db > dBmax) {
db = dBmax;
}
if(!snd_mixer_selem_set_playback_dB_all(mixer_elem, (long) db * 100, 0)) {
ret = dsERR_NONE;
}
else {
ret = dsERR_GENERAL;
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsSetAudioLevel(intptr_t handle, float level)
{
#ifdef ALSA_AUDIO_MASTER_CONTROL_ENABLE
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle) || level < 0.0 || level > 100.0) {
ret = dsERR_INVALID_PARAM;
}
if ( dsERR_NONE == ret ) {
long vol_value, min, max;
const char *s_card = ALSA_CARD_NAME;
const char *element_name = ALSA_ELEMENT_NAME;
snd_mixer_elem_t *mixer_elem = NULL;
initAlsa(element_name,s_card,&mixer_elem);
if(mixer_elem == NULL) {
printf("failed to initialize alsa!\n");
return dsERR_GENERAL;
}
snd_mixer_selem_get_playback_volume_range(mixer_elem, &min, &max);
if(level != 0){
min=min/2;
}
vol_value = (long)(((level / 100.0) * (max - min)) + min);
if(snd_mixer_selem_set_playback_volume_all(mixer_elem, vol_value)) {
printf("Failed to set Audio level\n");
}
}
return ret;
#else
return dsERR_NONE;
#endif
}
dsError_t dsEnableLoopThru(intptr_t handle, bool loopThru)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if( ! dsIsValidHandle(handle)) {
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsAudioPortTerm()
{
dsError_t ret = dsERR_NONE;
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
_bIsAudioInitialized = false;
return ret;
}
bool dsCheckSurroundSupport()
{
bool status = false;
int num_channels = 0;
for (int i=1; i<=8; i++) {
if (vc_tv_hdmi_audio_supported(EDID_AudioFormat_eAC3, i, EDID_AudioSampleRate_e44KHz, EDID_AudioSampleSize_16bit ) == 0)
num_channels = i;
}
if (num_channels)
status = true;
return status;
}
dsError_t dsGetAudioFormat(intptr_t handle, dsAudioFormat_t *audioFormat)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(audioFormat == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetDialogEnhancement(intptr_t handle, int *level)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(level == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetDialogEnhancement(intptr_t handle, int level)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle) || level < 0 || level > 16)
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetDolbyVolumeMode(intptr_t handle, bool *mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(mode == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetDolbyVolumeMode(intptr_t handle, bool mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetIntelligentEqualizerMode(intptr_t handle, int *mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(mode == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetIntelligentEqualizerMode(intptr_t handle, int mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (!dsIsValidHandle(handle) || mode < 0 || mode > 6)
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetVolumeLeveller(intptr_t handle, dsVolumeLeveller_t* volLeveller)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(volLeveller == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetVolumeLeveller(intptr_t handle, dsVolumeLeveller_t volLeveller)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (volLeveller.mode < 0 ||
volLeveller.mode > 2 ||
volLeveller.level < 0 ||
volLeveller.level > 10 )
{
return dsERR_INVALID_PARAM;
}
if(!dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetBassEnhancer(intptr_t handle, int *boost)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(boost == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetBassEnhancer(intptr_t handle, int boost)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(boost < 0 || boost > 100 || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsIsSurroundDecoderEnabled(intptr_t handle, bool *enabled)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(enabled == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsEnableSurroundDecoder(intptr_t handle, bool enabled)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetDRCMode(intptr_t handle, int *mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(mode == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetDRCMode(intptr_t handle, int mode)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(mode < 0 || mode > 1 || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetSurroundVirtualizer(intptr_t handle, dsSurroundVirtualizer_t *virtualizer)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(virtualizer == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsSetSurroundVirtualizer(intptr_t handle, dsSurroundVirtualizer_t virtualizer)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(!dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;
}
dsError_t dsGetMISteering(intptr_t handle, bool *enabled)
{
if (false == _bIsAudioInitialized)
{
return dsERR_NOT_INITIALIZED;
}
if(enabled == NULL || !dsIsValidHandle(handle))
{
return dsERR_INVALID_PARAM;
}
return dsERR_OPERATION_NOT_SUPPORTED;