Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cdd17c79 authored by Derek Chen's avatar Derek Chen
Browse files

hal: Add audio hal plugin for external codec 

Add audio hal plugin for external codec support
so that OEM can add their own codec implementation.

Change-Id: I67f6808c41c5d9d85d9b6a6a8b49a4f9fd042ab0
parent ccfe6837

hal/Android.mk

+5 −0
Original line number Diff line number Diff line
@@ -424,6 +424,11 @@ ifeq ($(strip $(AUDIO_FEATURE_ENABLED_SND_MONITOR)), true) 
    LOCAL_SRC_FILES += audio_extn/sndmonitor.c

endif



ifeq ($(strip $(AUDIO_FEATURE_ENABLED_EXT_HW_PLUGIN)),true)

    LOCAL_CFLAGS += -DEXT_HW_PLUGIN_ENABLED

    LOCAL_SRC_FILES += audio_extn/ext_hw_plugin.c

endif



LOCAL_MODULE := audio.primary.$(TARGET_BOARD_PLATFORM)



LOCAL_MODULE_RELATIVE_PATH := hw

hal/audio_extn/audio_extn.c

100755 → 100644
+2 −0
Original line number Diff line number Diff line
@@ -884,6 +884,7 @@ void audio_extn_set_parameters(struct audio_device *adev, 
       adev->offload_effects_set_parameters(parms);

   audio_extn_set_aptx_dec_bt_addr(adev, parms);

   audio_extn_ffv_set_parameters(adev, parms);

   audio_extn_ext_hw_plugin_set_parameters(adev->ext_hw_plugin, parms);

}



void audio_extn_get_parameters(const struct audio_device *adev,
@@ -902,6 +903,7 @@ void audio_extn_get_parameters(const struct audio_device *adev, 
    audio_extn_sound_trigger_get_parameters(adev, query, reply);

    if (adev->offload_effects_get_parameters != NULL)

        adev->offload_effects_get_parameters(query, reply);

    audio_extn_ext_hw_plugin_get_parameters(adev->ext_hw_plugin, query, reply);



    kv_pairs = str_parms_to_str(reply);

    ALOGD_IF(kv_pairs != NULL, "%s: returns %s", __func__, kv_pairs);

hal/audio_extn/audio_extn.h

+25 −0
Original line number Diff line number Diff line
@@ -1106,4 +1106,29 @@ void audio_extn_ffv_check_and_append_ec_ref_dev(char *device_name); 
snd_device_t audio_extn_ffv_get_capture_snd_device();

void audio_extn_ffv_append_ec_ref_dev_name(char *device_name);

#endif



#ifndef EXT_HW_PLUGIN_ENABLED

#define audio_extn_ext_hw_plugin_init(adev)                (0)

#define audio_extn_ext_hw_plugin_deinit(plugin)              (0)

#define audio_extn_ext_hw_plugin_usecase_start(plugin, usecase) (0)

#define audio_extn_ext_hw_plugin_usecase_stop(plugin, usecase) (0)

#define audio_extn_ext_hw_plugin_set_parameters(plugin, parms) (0)

#define audio_extn_ext_hw_plugin_get_parameters(plugin, query, reply) (0)

#define audio_extn_ext_hw_plugin_set_mic_mute(plugin, mute) (0)

#define audio_extn_ext_hw_plugin_get_mic_mute(plugin, mute) (0)

#define audio_extn_ext_hw_plugin_set_audio_gain(plugin, usecase, gain) (0)

#else

void* audio_extn_ext_hw_plugin_init(struct audio_device *adev);

int audio_extn_ext_hw_plugin_deinit(void *plugin);

int audio_extn_ext_hw_plugin_usecase_start(void *plugin, struct audio_usecase *usecase);

int audio_extn_ext_hw_plugin_usecase_stop(void *plugin, struct audio_usecase *usecase);

int audio_extn_ext_hw_plugin_set_parameters(void *plugin,

                                           struct str_parms *parms);

int audio_extn_ext_hw_plugin_get_parameters(void *plugin,

                  struct str_parms *query, struct str_parms *reply);

int audio_extn_ext_hw_plugin_set_mic_mute(void *plugin, bool mute);

int audio_extn_ext_hw_plugin_get_mic_mute(void *plugin, bool *mute);

int audio_extn_ext_hw_plugin_set_audio_gain(void *plugin,

            struct audio_usecase *usecase, uint32_t gain);

#endif

#endif /* AUDIO_EXTN_H */

hal/audio_extn/ext_hw_plugin.c

0 → 100644
+1542 −0

File added.

Preview size limit exceeded, changes collapsed.

hal/audio_extn/hfp.c

+13 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/ 
#include "platform_api.h"

#include <stdlib.h>

#include <cutils/str_parms.h>

#include "audio_extn.h"



#ifdef DYNAMIC_LOG_ENABLED

#include <log_xml_parser.h>
@@ -163,6 +164,12 @@ static int32_t start_hfp(struct audio_device *adev, 


    select_devices(adev, hfpmod.ucid);



    if ((uc_info->out_snd_device != SND_DEVICE_NONE) ||

        (uc_info->in_snd_device != SND_DEVICE_NONE)) {

        if (audio_extn_ext_hw_plugin_usecase_start(adev->ext_hw_plugin, uc_info))

            ALOGE("%s: failed to start ext hw plugin", __func__);

    }



    pcm_dev_rx_id = platform_get_pcm_device_id(uc_info->id, PCM_PLAYBACK);

    pcm_dev_tx_id = platform_get_pcm_device_id(uc_info->id, PCM_CAPTURE);

    pcm_dev_asm_rx_id = hfpmod.hfp_pcm_dev_id;
@@ -280,6 +287,12 @@ static int32_t stop_hfp(struct audio_device *adev) 
        return -EINVAL;

    }



    if ((uc_info->out_snd_device != SND_DEVICE_NONE) ||

        (uc_info->in_snd_device != SND_DEVICE_NONE)) {

        if (audio_extn_ext_hw_plugin_usecase_stop(adev->ext_hw_plugin, uc_info))

            ALOGE("%s: failed to stop ext hw plugin", __func__);

    }



    /* 2. Disable echo reference while stopping hfp */

    platform_set_echo_reference(adev, false, uc_info->devices);