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Commit e71d5117 authored by Andy Hung's avatar Andy Hung
Browse files

AudioPolicyEffects: Prefer using string_view 

Avoids double scan of a char pointer, as length is known.

Test: atest CtsMediaAudioTestCases
Bug: 317816718
Merged-In: I74ebfbf33db48597c5e9411c81c93e1b9c794b54
Change-Id: I74ebfbf33db48597c5e9411c81c93e1b9c794b54
parent 3472f9da

services/audiopolicy/service/AudioPolicyEffects.cpp

+2 −2
Original line number Diff line number Diff line
@@ -908,7 +908,7 @@ status_t AudioPolicyEffects::loadAudioEffectConfig_ll( 
            auto effectDescs = std::make_shared<EffectDescVector>();

            for (auto& effect : stream.effects) {

                effectDescs->push_back(

                        std::make_shared<EffectDesc>(effect->name.c_str(), effect->uuid));

                        std::make_shared<EffectDesc>(effect->name, effect->uuid));

            }

            streams.add(stream.type, std::move(effectDescs));

        }
@@ -919,7 +919,7 @@ status_t AudioPolicyEffects::loadAudioEffectConfig_ll( 
            auto effectDescs = std::make_unique<EffectDescVector>();

            for (auto& effect : deviceProcess.effects) {

                effectDescs->push_back(

                        std::make_shared<EffectDesc>(effect->name.c_str(), effect->uuid));

                        std::make_shared<EffectDesc>(effect->name, effect->uuid));

            }

            auto devEffects = std::make_unique<DeviceEffects>(

                        std::move(effectDescs), deviceProcess.type, deviceProcess.address);

services/audiopolicy/service/AudioPolicyEffects.h

+3 −3
Original line number Diff line number Diff line
@@ -127,7 +127,7 @@ private: 
    // as defined in audio_effects.conf

    class EffectDesc {

    public:

        EffectDesc(const char *name,

        EffectDesc(std::string_view name,

                   const effect_uuid_t& typeUuid,

                   const String16& opPackageName,

                   const effect_uuid_t& uuid,
@@ -140,7 +140,7 @@ private: 
                        mPriority(priority),

                        mId(id) { }

        // Modern EffectDesc usage:

        EffectDesc(const char *name, const effect_uuid_t& uuid) :

        EffectDesc(std::string_view name, const effect_uuid_t& uuid) :

                        EffectDesc(name,

                                   *EFFECT_UUID_NULL,

                                   String16(""),
@@ -186,7 +186,7 @@ private: 
    class DeviceEffects {

    public:

        DeviceEffects(std::unique_ptr<EffectDescVector> effectDescriptors,

                               audio_devices_t device, const std::string& address) :

                               audio_devices_t device, std::string_view address) :

            mEffectDescriptors(std::move(effectDescriptors)),

            mDeviceType(device), mDeviceAddress(address) {}