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Commit 3ff76895 authored by Vignesh Kulothungan's avatar Vignesh Kulothungan Committed by Bubble Fang
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audio: Add support for DSDS for incall music feature 



Add support for incall-music-uplink2 usecase to enable Dual Sim
Dual Standby (DSDS) voice scenarios

Bug: 132080107
Test: Local test
Change-Id: I26206b1887f002bb58fcfb3378600ef81e111662
Signed-off-by: default avatarBubbleFang <bubblefang@google.com>
parent b0c9148b

hal/audio_hw.c

+22 −4
Original line number Diff line number Diff line
@@ -315,6 +315,7 @@ const char * const use_case_table[AUDIO_USECASE_MAX] = { 
    [USECASE_AUDIO_RECORD_VOIP] = "audio-record-voip",



    [USECASE_INCALL_MUSIC_UPLINK] = "incall-music-uplink",

    [USECASE_INCALL_MUSIC_UPLINK2] = "incall-music-uplink2",



    [USECASE_AUDIO_A2DP_ABR_FEEDBACK] = "a2dp-abr-feedback",

};
@@ -1725,7 +1726,8 @@ int select_devices_with_force_switch(struct audio_device *adev, 
            out_snd_device = SND_DEVICE_OUT_SPEAKER;

    }



    if (usecase->id == USECASE_INCALL_MUSIC_UPLINK) {

    if (usecase->id == USECASE_INCALL_MUSIC_UPLINK ||

        usecase->id == USECASE_INCALL_MUSIC_UPLINK2) {

        out_snd_device = SND_DEVICE_OUT_VOICE_MUSIC_TX;

    }
@@ -2338,8 +2340,10 @@ static int stop_output_stream(struct stream_out *out) 
        audio_low_latency_hint_end();

    }



    if (out->usecase == USECASE_INCALL_MUSIC_UPLINK)

    if (out->usecase == USECASE_INCALL_MUSIC_UPLINK ||

        out->usecase == USECASE_INCALL_MUSIC_UPLINK2) {

        voice_set_device_mute_flag(adev, false);

    }



    /* 1. Get and set stream specific mixer controls */

    disable_audio_route(adev, uc_info);
@@ -2444,6 +2448,16 @@ int start_output_stream(struct stream_out *out) 
        goto error_config;

    }



    //Update incall music usecase to reflect correct voice session

    if (out->flags & AUDIO_OUTPUT_FLAG_INCALL_MUSIC) {

        ret = voice_extn_check_and_set_incall_music_usecase(adev, out);

        if (ret != 0) {

            ALOGE("%s: Incall music delivery usecase cannot be set error:%d",

                __func__, ret);

            goto error_config;

        }

    }



    if (out->devices & AUDIO_DEVICE_OUT_ALL_A2DP) {

        if (!audio_extn_a2dp_is_ready()) {

            if (out->devices & (AUDIO_DEVICE_OUT_SPEAKER | AUDIO_DEVICE_OUT_SPEAKER_SAFE)) {
@@ -2506,8 +2520,10 @@ int start_output_stream(struct stream_out *out) 


    audio_extn_extspk_update(adev->extspk);



    if (out->usecase == USECASE_INCALL_MUSIC_UPLINK)

    if (out->usecase == USECASE_INCALL_MUSIC_UPLINK ||

        out->usecase == USECASE_INCALL_MUSIC_UPLINK2) {

        voice_set_device_mute_flag(adev, true);

    }



    ALOGV("%s: Opening PCM device card_id(%d) device_id(%d) format(%#x)",

          __func__, adev->snd_card, out->pcm_device_id, out->config.format);
@@ -3502,7 +3518,9 @@ static ssize_t out_write(struct audio_stream_out *stream, const void *buffer, 
            if (out->muted)

                memset((void *)buffer, 0, bytes);

            // FIXME: this can be removed once audio flinger mixer supports mono output

            if (out->usecase == USECASE_AUDIO_PLAYBACK_VOIP || out->usecase == USECASE_INCALL_MUSIC_UPLINK) {

            if (out->usecase == USECASE_AUDIO_PLAYBACK_VOIP ||

                out->usecase == USECASE_INCALL_MUSIC_UPLINK ||

                out->usecase == USECASE_INCALL_MUSIC_UPLINK2) {

                size_t channel_count = audio_channel_count_from_out_mask(out->channel_mask);

                int16_t *src = (int16_t *)buffer;

                int16_t *dst = (int16_t *)buffer;

hal/audio_hw.h

+1 −0
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ enum { 
    USECASE_AUDIO_RECORD_VOIP,



    USECASE_INCALL_MUSIC_UPLINK,

    USECASE_INCALL_MUSIC_UPLINK2,



    USECASE_AUDIO_A2DP_ABR_FEEDBACK,

hal/msm8974/platform.c

+3 −0
Original line number Diff line number Diff line
@@ -251,6 +251,8 @@ static int pcm_device_table[AUDIO_USECASE_MAX][2] = { 


    [USECASE_INCALL_MUSIC_UPLINK] = {INCALL_MUSIC_UPLINK_PCM_DEVICE,

                                     INCALL_MUSIC_UPLINK_PCM_DEVICE},

    [USECASE_INCALL_MUSIC_UPLINK2] = {INCALL_MUSIC_UPLINK2_PCM_DEVICE,

                                     INCALL_MUSIC_UPLINK2_PCM_DEVICE},

};



/* Array to store sound devices */
@@ -712,6 +714,7 @@ static const struct name_to_index usecase_name_index[AUDIO_USECASE_MAX] = { 
    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_VOIP)},

    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_VOIP)},

    {TO_NAME_INDEX(USECASE_INCALL_MUSIC_UPLINK)},

    {TO_NAME_INDEX(USECASE_INCALL_MUSIC_UPLINK2)},

    {TO_NAME_INDEX(USECASE_AUDIO_A2DP_ABR_FEEDBACK)},

};

hal/msm8974/platform.h

+1 −0
Original line number Diff line number Diff line
@@ -336,6 +336,7 @@ enum { 
#define AFE_PROXY_RECORD_PCM_DEVICE 8



#define INCALL_MUSIC_UPLINK_PCM_DEVICE 27

#define INCALL_MUSIC_UPLINK2_PCM_DEVICE 27



#define HFP_PCM_RX 5

#ifdef PLATFORM_MSM8x26

hal/voice_extn/voice_extn.c

+10 −1
Original line number Diff line number Diff line
@@ -576,7 +576,16 @@ void voice_extn_get_parameters(const struct audio_device *adev, 
int voice_extn_check_and_set_incall_music_usecase(struct audio_device *adev,

                                                  struct stream_out *out)

{

    uint32_t session_id = get_session_id_with_state(adev, CALL_ACTIVE);

    if (session_id == VOICEMMODE1_VSID)

        out->usecase = USECASE_INCALL_MUSIC_UPLINK;

    else if (session_id == VOICEMMODE2_VSID)

        out->usecase = USECASE_INCALL_MUSIC_UPLINK2;

    else {

        ALOGE("%s: Invalid session id %x", __func__, session_id);

        out->usecase = USECASE_INCALL_MUSIC_UPLINK;

    }



    out->config = pcm_config_incall_music;

    //FIXME: add support for MONO stream configuration when audioflinger mixer supports it

    out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_STEREO;