Merge "CCodecConfig: support low latency config and set paramters" (25eefa0d) · Commits · e / os / android_frameworks_av

media/codec2/core/include/C2Config.h

+12 −0

Original line number	Diff line number	Diff line
		@@ -243,6 +243,9 @@ enum C2ParamIndexKind : C2Param::type_index_t {
		kParamIndexTimestampGapAdjustment, // input-surface, struct

		kParamIndexSurfaceAllocator, // u32

		// low latency mode for decoders
		kParamIndexLowLatencyMode, // bool
		};

		}
		@@ -804,6 +807,15 @@ typedef C2GlobalParam<C2Tuning, C2Uint32Value, kParamIndexDelay> C2PipelineDelay
		typedef C2PipelineDelayTuning C2ActualPipelineDelayTuning; // deprecated
		constexpr char C2_PARAMKEY_PIPELINE_DELAY[] = "algo.delay";

		/**
		* Enable/disable low latency decoding mode.
		* If true, low latency decoding mode is enabled, and the decoder doesn't hold input and output
		* data more than required by the codec standards.
		*/
		typedef C2GlobalParam<C2Tuning, C2EasyBoolValue, kParamIndexLowLatencyMode>
		C2GlobalLowLatencyModeTuning;
		constexpr char C2_PARAMKEY_LOW_LATENCY_MODE[] = "algo.low-latency";

		/**
		* Reference characteristics.
		*

+8 −0

Original line number	Diff line number	Diff line
		@@ -823,6 +823,14 @@ void CCodecConfig::initializeStandardParams() {

		add(ConfigMapper(C2_PARAMKEY_INPUT_TIME_STRETCH, C2_PARAMKEY_INPUT_TIME_STRETCH, "value"));

		add(ConfigMapper(KEY_LOW_LATENCY, C2_PARAMKEY_LOW_LATENCY_MODE, "value")
		.limitTo(D::DECODER & (D::CONFIG \| D::PARAM))
		.withMapper([](C2Value v) -> C2Value {
		int32_t value = 0;
		(void)v.get(&value);
		return value == 0 ? C2_FALSE : C2_TRUE;
		}));

		/* still to do
		constexpr char KEY_PUSH_BLANK_BUFFERS_ON_STOP[] = "push-blank-buffers-on-shutdown";

+1 −0

Original line number	Diff line number	Diff line
		@@ -776,6 +776,7 @@ constexpr char KEY_IS_TIMED_TEXT[] = "is-timed-text";
		constexpr char KEY_LANGUAGE[] = "language";
		constexpr char KEY_LATENCY[] = "latency";
		constexpr char KEY_LEVEL[] = "level";
		constexpr char KEY_LOW_LATENCY[] = "low-latency";
		constexpr char KEY_MAX_B_FRAMES[] = "max-bframes";
		constexpr char KEY_MAX_BIT_RATE[] = "max-bitrate";
		constexpr char KEY_MAX_FPS_TO_ENCODER[] = "max-fps-to-encoder";