diff options
Diffstat (limited to 'hal/audio_extn/audio_extn.c')
| -rw-r--r-- | hal/audio_extn/audio_extn.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/hal/audio_extn/audio_extn.c b/hal/audio_extn/audio_extn.c index 05da79fd..d5f303fc 100644 --- a/hal/audio_extn/audio_extn.c +++ b/hal/audio_extn/audio_extn.c @@ -192,6 +192,7 @@ static bool audio_extn_compress_in_enabled = false; static bool audio_extn_battery_listener_enabled = false; static bool audio_extn_maxx_audio_enabled = false; static bool audio_extn_audiozoom_enabled = false; +static bool audio_extn_hifi_filter_enabled = false; #define AUDIO_PARAMETER_KEY_AANC_NOISE_LEVEL "aanc_noise_level" #define AUDIO_PARAMETER_KEY_ANC "anc_enabled" @@ -5164,6 +5165,87 @@ bool audio_extn_battery_properties_is_charging() } // END: BATTERY_LISTENER ================================================================ +// START: HiFi Filter Feature ============================================================ +void audio_extn_enable_hifi_filter(struct audio_device *adev, bool value) +{ + const char *mixer_ctl_name = "HiFi Filter"; + struct mixer_ctl *ctl = NULL; + ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); + if (!ctl) { + ALOGE("%s: Could not get ctl for mixer cmd - %s, using default control", + __func__, mixer_ctl_name); + return; + } else { + mixer_ctl_set_value(ctl, 0, value); + ALOGD("%s: mixer_value set %d", __func__, value); + } + return; +} + +void audio_extn_hifi_filter_set_params(struct str_parms *parms, + char *value, int len) +{ + int ret = 0; + ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_HIFI_AUDIO_FILTER, value,len); + if (ret >= 0) { + if (value && !strncmp(value, "true", sizeof("true"))) + audio_extn_hifi_filter_enabled = true; + else + audio_extn_hifi_filter_enabled = false; + str_parms_del(parms, AUDIO_PARAMETER_KEY_HIFI_AUDIO_FILTER); + } +} + +bool audio_extn_hifi_check_usecase_params(int sample_rate, int usecase) +{ + if (sample_rate != 48000 && sample_rate != 44100) + return false; + if (usecase == USECASE_AUDIO_PLAYBACK_LOW_LATENCY || usecase == USECASE_AUDIO_PLAYBACK_ULL) + return false; + return true; +} + +bool audio_extn_is_hifi_filter_enabled(struct audio_device* adev, struct stream_out *out, + snd_device_t snd_device, char *codec_variant, + int channels, int usecase_init) +{ + int na_mode = platform_get_native_support(); + struct audio_usecase *uc = NULL; + struct listnode *node = NULL; + bool hifi_active = false; + + if (audio_extn_hifi_filter_enabled) { + /*Restricting the feature for Tavil and WCD9375 codecs only*/ + if ((strstr(codec_variant, "WCD9385") || strstr(codec_variant, "WCD9375")) + && (na_mode == NATIVE_AUDIO_MODE_MULTIPLE_MIX_IN_DSP) && channels <=2) { + /*Upsampling 8 time should be restricited to headphones playback only */ + if (snd_device == SND_DEVICE_OUT_HEADPHONES + || snd_device == SND_DEVICE_OUT_HEADPHONES_44_1 + || snd_device == SND_DEVICE_OUT_HEADPHONES_HIFI_FILTER + || usecase_init) { + if (audio_extn_hifi_check_usecase_params(out->sample_rate, + out->usecase) && !usecase_init) + return true; + + list_for_each(node, &adev->usecase_list) { + /* checking if hifi_filter is already active to set */ + /* concurrent playback sessions with hifi_filter enabled*/ + uc = node_to_item(node, struct audio_usecase, list); + struct stream_out *curr_out = (struct stream_out*) uc->stream.out; + if (uc->type == PCM_PLAYBACK && curr_out + && audio_extn_hifi_check_usecase_params( + curr_out->sample_rate, curr_out->usecase) && + (curr_out->channel_mask == AUDIO_CHANNEL_OUT_STEREO || + curr_out->channel_mask == AUDIO_CHANNEL_OUT_MONO)) + hifi_active = true; + } + } + } + } + return hifi_active; +} +// END: HiFi Filter Feature ============================================================== + // START: AUDIOZOOM_FEATURE ===================================================================== #ifdef __LP64__ #define AUDIOZOOM_LIB_PATH "/vendor/lib64/libaudiozoom.so" |