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Commit a6fc5444 authored by Manish Dewangan's avatar Manish Dewangan Committed by Gerrit - the friendly Code Review server
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hal: Add support for AAC ADTS offload playback 

-In byte stream mode input bistream is configured with AAC ADTS format
-Add change to configure ADSP in ADTS format if input is in ADTS format

Change-Id: Ie423af6847e4bfd49722239105aaba4fecf9469b
parent 80a4429e

hal/Android.mk

+4 −0
Original line number Diff line number Diff line
@@ -191,6 +191,10 @@ ifeq ($(strip $(AUDIO_FEATURE_ENABLED_PCM_OFFLOAD_24)),true) 
       LOCAL_CFLAGS += -DPCM_OFFLOAD_ENABLED_24

endif



ifeq ($(strip $(AUDIO_FEATURE_ENABLED_AAC_ADTS_OFFLOAD)),true)

    LOCAL_CFLAGS += -DAAC_ADTS_OFFLOAD_ENABLED

endif



ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DEV_ARBI)),true)

    LOCAL_CFLAGS += -DDEV_ARBI_ENABLED

    LOCAL_SRC_FILES += audio_extn/dev_arbi.c

hal/audio_extn/audio_extn.h

+10 −0
Original line number Diff line number Diff line
@@ -85,6 +85,16 @@ 
#define AUDIO_FORMAT_APE 0x1D000000UL

#endif



#ifndef AAC_ADTS_OFFLOAD_ENABLED

#define AUDIO_FORMAT_AAC_ADTS 0x1E000000UL

#define AUDIO_FORMAT_AAC_ADTS_LC   (AUDIO_FORMAT_AAC_ADTS |\

                                      AUDIO_FORMAT_AAC_SUB_LC)

#define AUDIO_FORMAT_AAC_ADTS_HE_V1 (AUDIO_FORMAT_AAC_ADTS |\

                                      AUDIO_FORMAT_AAC_SUB_HE_V1)

#define AUDIO_FORMAT_AAC_ADTS_HE_V2  (AUDIO_FORMAT_AAC_ADTS |\

                                      AUDIO_FORMAT_AAC_SUB_HE_V2)

#endif



#ifndef COMPRESS_METADATA_NEEDED

#define audio_extn_parse_compress_metadata(out, parms) (0)

#else

hal/audio_extn/utils.c

+4 −0
Original line number Diff line number Diff line
@@ -104,6 +104,10 @@ const struct string_to_enum s_format_name_to_enum_table[] = { 
    STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_ADTS),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_SUB_LC),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_SUB_HE_V1),

    STRING_TO_ENUM(AUDIO_FORMAT_AAC_SUB_HE_V2),

#endif

};

hal/audio_hw.c

+10 −11
Original line number Diff line number Diff line
@@ -305,6 +305,9 @@ static bool is_supported_format(audio_format_t format) 
        format == AUDIO_FORMAT_AAC_LC ||

        format == AUDIO_FORMAT_AAC_HE_V1 ||

        format == AUDIO_FORMAT_AAC_HE_V2 ||

        format == AUDIO_FORMAT_AAC_ADTS_LC ||

        format == AUDIO_FORMAT_AAC_ADTS_HE_V1 ||

        format == AUDIO_FORMAT_AAC_ADTS_HE_V2 ||

        format == AUDIO_FORMAT_PCM_16_BIT_OFFLOAD ||

        format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD ||

        format == AUDIO_FORMAT_FLAC ||
@@ -329,6 +332,9 @@ static int get_snd_codec_id(audio_format_t format) 
    case AUDIO_FORMAT_AAC:

        id = SND_AUDIOCODEC_AAC;

        break;

    case AUDIO_FORMAT_AAC_ADTS:

        id = SND_AUDIOCODEC_AAC;

        break;

    case AUDIO_FORMAT_PCM_OFFLOAD:

        id = SND_AUDIOCODEC_PCM;

        break;
@@ -1829,15 +1835,6 @@ static int parse_compress_metadata(struct stream_out *out, struct str_parms *par 
        return -EINVAL;

    }



    ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_FORMAT, value, sizeof(value));

    if (ret >= 0) {

        if (atoi(value) == SND_AUDIOSTREAMFORMAT_MP4ADTS) {

            out->compr_config.codec->format = SND_AUDIOSTREAMFORMAT_MP4ADTS;

            ALOGV("ADTS format is set in offload mode");

        }

        out->send_new_metadata = 1;

    }



    ret = audio_extn_parse_compress_metadata(out, parms);



    ret = str_parms_get_str(parms, AUDIO_OFFLOAD_CODEC_SAMPLE_RATE, value, sizeof(value));
@@ -2924,8 +2921,10 @@ static int adev_open_output_stream(struct audio_hw_device *dev, 
        /*TODO: Do we need to change it for passthrough */

        out->compr_config.codec->format = SND_AUDIOSTREAMFORMAT_RAW;



        if (config->offload_info.format == AUDIO_FORMAT_AAC)

        if ((config->offload_info.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AAC)

             out->compr_config.codec->format = SND_AUDIOSTREAMFORMAT_RAW;

        if ((config->offload_info.format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_AAC_ADTS)

            out->compr_config.codec->format = SND_AUDIOSTREAMFORMAT_MP4ADTS;

        if (config->offload_info.format == AUDIO_FORMAT_PCM_16_BIT_OFFLOAD)

            out->compr_config.codec->format = SNDRV_PCM_FORMAT_S16_LE;

        if(config->offload_info.format == AUDIO_FORMAT_PCM_24_BIT_OFFLOAD)

hal/msm8916/platform.c

+4 −0
Original line number Diff line number Diff line
@@ -4053,6 +4053,10 @@ unsigned char platform_map_to_edid_format(int audio_format) 
        ALOGV("%s:AAC", __func__);

        format = AAC;

        break;

    case AUDIO_FORMAT_AAC_ADTS:

        ALOGV("%s:AAC_ADTS", __func__);

        format = AAC;

        break;

    case AUDIO_FORMAT_E_AC3:

        ALOGV("%s:E_AC3", __func__);

        format = DOLBY_DIGITAL_PLUS;