Merge "libeffects: Fix to resolve glitch with disabling LVCS" (e874dd04) · Commits · e / os / android_frameworks_av

media/libeffects/lvm/lib/Common/lib/VectorArithmetic.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ void Copy_Float_Mc_Stereo( const LVM_FLOAT *src,
		LVM_INT16 NrFrames,
		LVM_INT32 NrChannels);
		void Copy_Float_Stereo_Mc( const LVM_FLOAT *src,
		LVM_FLOAT *StereoOut,
		LVM_FLOAT *dst,
		LVM_INT16 NrFrames,
		LVM_INT32 NrChannels);

media/libeffects/lvm/lib/Common/src/Copy_16.cpp

+7 −6

Original line number	Diff line number	Diff line
		@@ -116,30 +116,31 @@ void Copy_Float_Mc_Stereo(const LVM_FLOAT *src,
		}
		}

		// Merge a multichannel source with stereo contained in dst, to dst.
		// Merge a multichannel source with stereo contained in StereoOut, to dst.
		void Copy_Float_Stereo_Mc(const LVM_FLOAT *src,
		LVM_FLOAT *StereoOut,
		LVM_FLOAT *dst,
		LVM_INT16 NrFrames, /* Number of frames*/
		LVM_INT32 NrChannels)
		{
		LVM_INT16 ii, jj;
		LVM_FLOAT src_st = dst + 2 (NrFrames - 1);

		// repack dst which carries stereo information
		// pack dst with stereo information of StereoOut
		// together with the upper channels of src.
		StereoOut += 2 * (NrFrames - 1);
		dst += NrChannels * (NrFrames - 1);
		src += NrChannels * (NrFrames - 1);
		for (ii = NrFrames; ii != 0; ii--)
		{
		dst[1] = src_st[1];
		dst[0] = src_st[0]; // copy 1 before 0 is required for NrChannels == 3.
		dst[1] = StereoOut[1];
		dst[0] = StereoOut[0]; // copy 1 before 0 is required for NrChannels == 3.
		for (jj = 2; jj < NrChannels; jj++)
		{
		dst[jj] = src[jj];
		}
		dst -= NrChannels;
		src -= NrChannels;
		src_st -= 2;
		StereoOut -= 2;
		}
		}
		#endif

media/libeffects/lvm/lib/StereoWidening/src/LVCS_Private.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -54,7 +54,11 @@
		#define LVCS_COMPGAINFRAME 64 /* Compressor gain update interval */

		/* Memory */
		#ifdef SUPPORT_MC
		#define LVCS_SCRATCHBUFFERS 8 /* Number of buffers required for inplace processing */
		#else
		#define LVCS_SCRATCHBUFFERS 6 /* Number of buffers required for inplace processing */
		#endif
		#ifdef SUPPORT_MC
		/*
		* The Concert Surround module applies processing only on the first two

media/libeffects/lvm/lib/StereoWidening/src/LVCS_Process.cpp

+45 −1

Original line number	Diff line number	Diff line
		@@ -104,7 +104,7 @@ LVCS_ReturnStatus_en LVCS_Process_CS(LVCS_Handle_t hInstance,
		* The Concert Surround module carries out processing only on L, R.
		*/
		pInput = pScratch + (2 * NrFrames);
		pStIn = pScratch + (LVCS_SCRATCHBUFFERS * NrFrames);
		pStIn = pScratch + ((LVCS_SCRATCHBUFFERS - 2) * NrFrames);
		/* The first two channel data is extracted from the input data and
		* copied into pInput buffer
		*/
		@@ -232,13 +232,45 @@ LVCS_ReturnStatus_en LVCS_Process(LVCS_Handle_t hInstance,
		*/
		if (pInstance->Params.OperatingMode != LVCS_OFF)
		{
		#ifdef SUPPORT_MC
		LVM_FLOAT *pStereoOut;
		/*
		* LVCS_Process_CS uses output buffer to store intermediate outputs of StereoEnhancer,
		* Equalizer, ReverbGenerator and BypassMixer.
		* So, to avoid i/o data overlapping, when i/o buffers are common, use scratch buffer
		* to store intermediate outputs.
		*/
		if (pOutData == pInData)
		{
		/*
		* Scratch memory is used in 4 chunks of (2 * NrFrames) size.
		* First chunk of memory is used by LVCS_StereoEnhancer and LVCS_ReverbGenerator,
		* second and fourth are used as input buffers by pInput and pStIn in LVCS_Process_CS.
		* Hence, pStereoOut is pointed to use unused third portion of scratch memory.
		*/
		pStereoOut = (LVM_FLOAT *) \
		pInstance->MemoryTable. \
		Region[LVCS_MEMREGION_TEMPORARY_FAST].pBaseAddress +
		((LVCS_SCRATCHBUFFERS - 4) * NrFrames);
		}
		else
		{
		pStereoOut = pOutData;
		}

		/*
		* Call CS process function
		*/
		err = LVCS_Process_CS(hInstance,
		pInData,
		pStereoOut,
		NrFrames);
		#else
		err = LVCS_Process_CS(hInstance,
		pInData,
		pOutData,
		NumSamples);
		#endif

		/*
		* Compress to reduce expansion effect of Concert Sound and correct volume
		@@ -257,10 +289,17 @@ LVCS_ReturnStatus_en LVCS_Process(LVCS_Handle_t hInstance,

		if(NumSamples < LVCS_COMPGAINFRAME)
		{
		#ifdef SUPPORT_MC
		NonLinComp_Float(Gain, /* Compressor gain setting */
		pStereoOut,
		pStereoOut,
		(LVM_INT32)(2 * NrFrames));
		#else
		NonLinComp_Float(Gain, /* Compressor gain setting */
		pOutData,
		pOutData,
		(LVM_INT32)(2 * NumSamples));
		#endif
		}
		else
		{
		@@ -289,7 +328,11 @@ LVCS_ReturnStatus_en LVCS_Process(LVCS_Handle_t hInstance,

		FinalGain = Gain;
		Gain = pInstance->CompressGain;
		#ifdef SUPPORT_MC
		pOutPtr = pStereoOut;
		#else
		pOutPtr = pOutData;
		#endif

		while(SampleToProcess > 0)
		{
		@@ -355,6 +398,7 @@ LVCS_ReturnStatus_en LVCS_Process(LVCS_Handle_t hInstance,
		}
		#ifdef SUPPORT_MC
		Copy_Float_Stereo_Mc(pInData,
		pStereoOut,
		pOutData,
		NrFrames,
		channels);