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Commit 6178a3f6 authored by Apoorv Raghuvanshi's avatar Apoorv Raghuvanshi Committed by Ravi Kumar Alamanda
Browse files

hal: Add support for ssr audio feature 

Update audio HAL to support surround sound recording (5.1 channels)

Change-Id: I5b24340251b55ad5c602f2de0a0b4c7672ba729b
parent 83e17978

hal/Android.mk

+6 −1
Original line number Diff line number Diff line
@@ -53,6 +53,12 @@ ifneq ($(strip $(AUDIO_FEATURE_DISABLED_USBAUDIO)),true) 
    LOCAL_SRC_FILES += audio_extn/usb.c

endif



ifneq ($(strip $(AUDIO_FEATURE_DISABLED_SSR)),true)

    LOCAL_CFLAGS += -DSSR_ENABLED

    LOCAL_SRC_FILES += audio_extn/ssr.c

    LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/mm-audio/surround_sound/

endif



LOCAL_SHARED_LIBRARIES := \

	liblog \

	libcutils \
@@ -60,7 +66,6 @@ LOCAL_SHARED_LIBRARIES := \ 
	libaudioroute \

	libdl





LOCAL_C_INCLUDES += \

	external/tinyalsa/include \

	$(call include-path-for, audio-route) \

hal/audio_extn/audio_extn.c

+11 −1
Original line number Diff line number Diff line
@@ -51,6 +51,14 @@ void audio_extn_fm_set_parameters(struct audio_device *adev, 
                                   struct str_parms *parms);

#endif



#ifndef SSR_ENABLED

#define audio_extn_ssr_get_parameters(query, reply) (0)

#else

void audio_extn_ssr_get_parameters(struct str_parms *query,



                                          struct str_parms *reply);

#endif



#ifndef ANC_HEADSET_ENABLED

#define audio_extn_set_anc_parameters(parms)       (0)

#else
@@ -195,5 +203,7 @@ void audio_extn_get_parameters(const struct audio_device *adev, 
                              struct str_parms *reply)

{

    audio_extn_get_afe_proxy_parameters(query, reply);

    ALOGD("%s: exit: returns %s", __func__, str_parms_to_str(reply));

    audio_extn_ssr_get_parameters(query, reply);



    ALOGD("%s: returns %s", __func__, str_parms_to_str(reply));

}

hal/audio_extn/audio_extn.h

+16 −0
Original line number Diff line number Diff line
@@ -65,4 +65,20 @@ void audio_extn_usb_set_proxy_sound_card(uint32_t sndcard_idx); 
bool audio_extn_usb_is_proxy_inuse();

#endif



#ifndef SSR_ENABLED

#define audio_extn_ssr_init(adev, in)                 (0)

#define audio_extn_ssr_deinit()                       (0)

#define audio_extn_ssr_update_enabled(adev)           (0)

#define audio_extn_ssr_get_enabled()                  (0)

#define audio_extn_ssr_read(stream, buffer, bytes)    (0)

#else

int32_t audio_extn_ssr_init(struct audio_device *adev,

                            struct stream_in *in);

int32_t audio_extn_ssr_deinit();

int32_t audio_extn_ssr_update_enabled(struct audio_device *adev);

bool audio_extn_ssr_get_enabled();

int32_t audio_extn_ssr_read(struct audio_stream_in *stream,

                       void *buffer, size_t bytes);

#endif



#endif /* AUDIO_EXTN_H */

hal/audio_extn/ssr.c

0 → 100644
+619 −0

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hal/audio_hw.c

+20 −8

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