Merge "aaudio: Reqest 32_BIT in AAudio Service for MMAP streams" into sc-dev

    audio_format_t audioFormat = getFormat();

    // FLOAT is not directly supported by the HAL so ask for a 24-bit.

    bool isHighResRequested = audioFormat == AUDIO_FORMAT_PCM_FLOAT

            || audioFormat == AUDIO_FORMAT_PCM_32_BIT;

    if (isHighResRequested) {

    // FLOAT is not directly supported by the HAL so ask for a 32-bit.

    if (audioFormat == AUDIO_FORMAT_PCM_FLOAT) {

        // TODO remove these logs when finished debugging.

        ALOGD("%s() change format from %d to 24_BIT_PACKED", __func__, audioFormat);

        audioFormat = AUDIO_FORMAT_PCM_24_BIT_PACKED;

        ALOGD("%s() change format from %d to 32_BIT", __func__, audioFormat);

        audioFormat = AUDIO_FORMAT_PCM_32_BIT;

    }

    result = openWithFormat(audioFormat);

    if (result == AAUDIO_OK) return result;

    if (result == AAUDIO_ERROR_UNAVAILABLE && audioFormat == AUDIO_FORMAT_PCM_32_BIT) {

        ALOGD("%s() 32_BIT failed, perhaps due to format. Try again with 24_BIT_PACKED", __func__);

        audioFormat = AUDIO_FORMAT_PCM_24_BIT_PACKED;

        result = openWithFormat(audioFormat);

    }

    if (result == AAUDIO_OK) return result;

    // TODO The HAL and AudioFlinger should be recommending a format if the open fails.

    //      But that recommendation is not propagating back from the HAL.

    //      So for now just try something very likely to work.