Merge "audio policy: favor mixed over direct output for PCM format" into lmp-dev

        flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);

        flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT);

    }

    }

    sp<IOProfile> profile;

    // skip direct output selection if the request can obviously be attached to a mixed output

    if (audio_is_linear_pcm(format) && samplingRate <= MAX_MIXER_SAMPLING_RATE &&

            audio_channel_count_from_out_mask(channelMask) <= 2) {

        goto non_direct_output;

    }

    // Do not allow offloading if one non offloadable effect is enabled. This prevents from

    // Do not allow offloading if one non offloadable effect is enabled. This prevents from

    // creating an offloaded track and tearing it down immediately after start when audioflinger

    // creating an offloaded track and tearing it down immediately after start when audioflinger

    // detects there is an active non offloadable effect.

    // detects there is an active non offloadable effect.

    // FIXME: We should check the audio session here but we do not have it in this context.

    // FIXME: We should check the audio session here but we do not have it in this context.

    // This may prevent offloading in rare situations where effects are left active by apps

    // This may prevent offloading in rare situations where effects are left active by apps

    // in the background.

    // in the background.

    sp<IOProfile> profile;

    if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||

    if (((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) == 0) ||

            !isNonOffloadableEffectEnabled()) {

            !isNonOffloadableEffectEnabled()) {

        profile = getProfileForDirectOutput(device,

        profile = getProfileForDirectOutput(device,

        return output;

        return output;

    }

    }

non_direct_output:

    // ignoring channel mask due to downmix capability in mixer

    // ignoring channel mask due to downmix capability in mixer

    // open a non direct output

    // open a non direct output