Add FilterDelayHint to Tuner JNI (aa9fd18b) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -6699,6 +6699,8 @@ package android.media.tv.tuner.filter {
		method @Nullable public String acquireSharedFilterToken();
		method public void close();
		method public int configure(@NonNull android.media.tv.tuner.filter.FilterConfiguration);
		method public int delayCallbackUntilBufferFilled(int);
		method public int delayCallbackUntilTimeMillis(long);
		method public int flush();
		method public void freeSharedFilterToken(@NonNull String);
		method @Deprecated public int getId();

media/java/android/media/tv/tuner/filter/Filter.java

+50 −0

Original line number	Diff line number	Diff line
		@@ -254,6 +254,8 @@ public class Filter implements AutoCloseable {
		private native int nativeClose();
		private native String nativeAcquireSharedFilterToken();
		private native void nativeFreeSharedFilterToken(String token);
		private native int nativeSetTimeDelayHint(int timeDelayInMs);
		private native int nativeSetDataSizeDelayHint(int dataSizeDelayInBytes);

		// Called by JNI
		private Filter(long id) {
		@@ -599,4 +601,52 @@ public class Filter implements AutoCloseable {
		mIsShared = false;
		}
		}

		/**
		* Set filter time delay.
		*
		* <p> Setting a time delay instructs the filter to delay its event callback invocation until
		* the specified amount of time has passed. The default value (delay disabled) is {@code 0}.
		*
		* <p>This functionality is only available in Tuner version 2.0 and higher and will otherwise
		* be a no-op. Use {@link TunerVersionChecker#getTunerVersion()} to get the version information.
		*
		* @param delayInMs specifies the duration of the delay in milliseconds.
		*/
		public int delayCallbackUntilTimeMillis(long delayInMs) {
		if (!TunerVersionChecker.checkHigherOrEqualVersionTo(
		TunerVersionChecker.TUNER_VERSION_2_0, "setTimeDelayHint")) {
		return Tuner.RESULT_UNAVAILABLE;
		}

		if (delayInMs >= 0 && delayInMs <= Integer.MAX_VALUE) {
		synchronized (mLock) {
		return nativeSetTimeDelayHint((int) delayInMs);
		}
		}
		return Tuner.RESULT_INVALID_ARGUMENT;
		}

		/**
		* Set filter data size delay.
		*
		* <p> Setting a data size delay instructs the filter to delay its event callback invocation
		* until a specified amount of data has accumulated. The default value (delay disabled) is
		* {@code 0}.
		*
		* <p>This functionality is only available in Tuner version 2.0 and higher and will otherwise
		* be a no-op. Use {@link TunerVersionChecker#getTunerVersion()} to get the version information.
		*
		* @param delayInBytes specifies the duration of the delay in bytes.
		*/
		public int delayCallbackUntilBufferFilled(int delayInBytes) {
		if (!TunerVersionChecker.checkHigherOrEqualVersionTo(
		TunerVersionChecker.TUNER_VERSION_2_0, "setTimeDelayHint")) {
		return Tuner.RESULT_UNAVAILABLE;
		}

		synchronized (mLock) {
		return nativeSetDataSizeDelayHint(delayInBytes);
		}
		}
		}

media/jni/android_media_tv_Tuner.cpp

+38 −0

Original line number	Diff line number	Diff line
		@@ -62,6 +62,8 @@
		#include <aidl/android/hardware/tv/tuner/DemuxTsFilterType.h>
		#include <aidl/android/hardware/tv/tuner/DemuxTsIndex.h>
		#include <aidl/android/hardware/tv/tuner/DvrSettings.h>
		#include <aidl/android/hardware/tv/tuner/FilterDelayHint.h>
		#include <aidl/android/hardware/tv/tuner/FilterDelayHintType.h>
		#include <aidl/android/hardware/tv/tuner/FrontendAnalogAftFlag.h>
		#include <aidl/android/hardware/tv/tuner/FrontendAnalogSettings.h>
		#include <aidl/android/hardware/tv/tuner/FrontendAnalogSifStandard.h>
		@@ -210,6 +212,8 @@ using ::aidl::android::hardware::tv::tuner::DemuxTsFilterSettingsFilterSettings;
		using ::aidl::android::hardware::tv::tuner::DemuxTsFilterType;
		using ::aidl::android::hardware::tv::tuner::DemuxTsIndex;
		using ::aidl::android::hardware::tv::tuner::DvrSettings;
		using ::aidl::android::hardware::tv::tuner::FilterDelayHint;
		using ::aidl::android::hardware::tv::tuner::FilterDelayHintType;
		using ::aidl::android::hardware::tv::tuner::FrontendAnalogAftFlag;
		using ::aidl::android::hardware::tv::tuner::FrontendAnalogSettings;
		using ::aidl::android::hardware::tv::tuner::FrontendAnalogSifStandard;
		@@ -4058,6 +4062,36 @@ static void android_media_tv_Tuner_free_shared_filter_token(
		filterClient->freeSharedFilterToken(filterToken);
		}

		static jint android_media_tv_Tuner_set_filter_time_delay_hint(
		JNIEnv *env, jobject filter, int timeDelayInMs) {
		sp<FilterClient> filterClient = getFilterClient(env, filter);
		if (filterClient == nullptr) {
		jniThrowException(env, "java/lang/IllegalStateException",
		"Failed to set filter delay: filter client not found");
		}

		FilterDelayHint delayHint {
		.hintType = FilterDelayHintType::TIME_DELAY_IN_MS,
		.hintValue = timeDelayInMs,
		};
		return static_cast<jint>(filterClient->setDelayHint(delayHint));
		}

		static jint android_media_tv_Tuner_set_filter_data_size_delay_hint(
		JNIEnv *env, jobject filter, int dataSizeDelayInBytes) {
		sp<FilterClient> filterClient = getFilterClient(env, filter);
		if (filterClient == nullptr) {
		jniThrowException(env, "java/lang/IllegalStateException",
		"Failed to set filter delay: filter client not found");
		}

		FilterDelayHint delayHint {
		.hintType = FilterDelayHintType::DATA_SIZE_DELAY_IN_BYTES,
		.hintValue = dataSizeDelayInBytes,
		};
		return static_cast<jint>(filterClient->setDelayHint(delayHint));
		}

		static sp<TimeFilterClient> getTimeFilterClient(JNIEnv *env, jobject filter) {
		return (TimeFilterClient *)env->GetLongField(filter, gFields.timeFilterContext);
		}
		@@ -4578,6 +4612,10 @@ static const JNINativeMethod gFilterMethods[] = {
		(void *)android_media_tv_Tuner_acquire_shared_filter_token},
		{ "nativeFreeSharedFilterToken", "(Ljava/lang/String;)V",
		(void *)android_media_tv_Tuner_free_shared_filter_token},
		{"nativeSetTimeDelayHint", "(I)I",
		(void *)android_media_tv_Tuner_set_filter_time_delay_hint},
		{"nativeSetDataSizeDelayHint", "(I)I",
		(void *)android_media_tv_Tuner_set_filter_data_size_delay_hint},
		};

		static const JNINativeMethod gSharedFilterMethods[] = {