Suppress Boot sound for non-standard scenarios. (854f8cec) · Commits · e / os / android_frameworks_base

cmds/bootanimation/BootAnimation.cpp

+38 −7

Original line number	Diff line number	Diff line
		@@ -77,12 +77,23 @@ static const long long ACCURATE_TIME_EPOCH = 946684800000;
		static const char EXIT_PROP_NAME[] = "service.bootanim.exit";
		static const char PLAY_SOUND_PROP_NAME[] = "persist.sys.bootanim.play_sound";
		static const int ANIM_ENTRY_NAME_MAX = 256;
		static const char BOOT_COMPLETED_PROP_NAME[] = "sys.boot_completed";
		static const char BOOTREASON_PROP_NAME[] = "ro.boot.bootreason";
		// bootreasons list in "system/core/bootstat/bootstat.cpp".
		static const std::vector<std::string> PLAY_SOUND_BOOTREASON_BLACKLIST {
		"kernel_panic",
		"Panic",
		"Watchdog",
		};

		// ---------------------------------------------------------------------------

		BootAnimation::BootAnimation() : Thread(false), mClockEnabled(true), mTimeIsAccurate(false),
		mTimeCheckThread(NULL) {
		mSession = new SurfaceComposerClient();

		// If the system has already booted, the animation is not being used for a boot.
		mSystemBoot = !property_get_bool(BOOT_COMPLETED_PROP_NAME, 0);
		}

		BootAnimation::~BootAnimation() {}
		@@ -778,14 +789,10 @@ bool BootAnimation::playAnimation(const Animation& animation)
		break;

		// only play audio file the first time we animate the part
		if (r == 0 && part.audioData) {
		// Read the system property to see if we should play the sound.
		// If not present, default to playing it.
		if (property_get_bool(PLAY_SOUND_PROP_NAME, 1)) {
		if (r == 0 && part.audioData && playSoundsAllowed()) {
		ALOGD("playing clip for part%d, size=%d", (int) i, part.audioLength);
		audioplay::playClip(part.audioData, part.audioLength);
		}
		}

		glClearColor(
		part.backgroundColor[0],
		@@ -920,6 +927,30 @@ BootAnimation::Animation* BootAnimation::loadAnimation(const String8& fn)
		return animation;
		}

		bool BootAnimation::playSoundsAllowed() const {
		// Only play sounds for system boots, not runtime restarts.
		if (!mSystemBoot) {
		return false;
		}

		// Read the system property to see if we should play the sound.
		// If it's not present, default to allowed.
		if (!property_get_bool(PLAY_SOUND_PROP_NAME, 1)) {
		return false;
		}

		// Don't play sounds if this is a reboot due to an error.
		char bootreason[PROPERTY_VALUE_MAX];
		if (property_get(BOOTREASON_PROP_NAME, bootreason, nullptr) > 0) {
		for (const auto& str : PLAY_SOUND_BOOTREASON_BLACKLIST) {
		if (strcasecmp(str.c_str(), bootreason) == 0) {
		return false;
		}
		}
		}
		return true;
		}

		bool BootAnimation::updateIsTimeAccurate() {
		static constexpr long long MAX_TIME_IN_PAST = 60000LL * 60LL * 24LL * 30LL; // 30 days
		static constexpr long long MAX_TIME_IN_FUTURE = 60000LL * 90LL; // 90 minutes

cmds/bootanimation/BootAnimation.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,7 @@ private:
		void releaseAnimation(Animation*) const;
		bool parseAnimationDesc(Animation&);
		bool preloadZip(Animation &animation);
		bool playSoundsAllowed() const;

		void checkExit();

		@@ -137,6 +138,7 @@ private:
		sp<Surface> mFlingerSurface;
		bool mClockEnabled;
		bool mTimeIsAccurate;
		bool mSystemBoot;
		String8 mZipFileName;
		SortedVector<String8> mLoadedFiles;
		sp<TimeCheckThread> mTimeCheckThread;