am 79178b8b: Merge "Fix problem in lvm effect bundle wrapper." into ics-mr1 (93f6ba45) · Commits · e / os / android_frameworks_av

media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp

+19 −9

Original line number	Diff line number	Diff line
		@@ -49,6 +49,16 @@ extern "C" const struct effect_interface_s gLvmEffectInterface;
		}\
		}


		static inline int16_t clamp16(int32_t sample)
		{
		// check overflow for both positive and negative values:
		// all bits above short range must me equal to sign bit
		if ((sample>>15) ^ (sample>>31))
		sample = 0x7FFF ^ (sample>>31);
		return sample;
		}

		// Namespaces
		namespace android {
		namespace {
		@@ -707,13 +717,6 @@ int LvmBundle_init(EffectContext *pContext){
		} /* end LvmBundle_init */


		static inline int16_t clamp16(int32_t sample)
		{
		if ((sample>>15) ^ (sample>>31))
		sample = 0x7FFF ^ (sample>>31);
		return sample;
		}

		//----------------------------------------------------------------------------
		// LvmBundle_process()
		//----------------------------------------------------------------------------
		@@ -2688,8 +2691,15 @@ int Effect_process(effect_handle_t self,
		//pContext->pBundledContext->NumberEffectsEnabled,
		//pContext->pBundledContext->NumberEffectsCalled, pContext->EffectType);
		// 2 is for stereo input
		if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
		for (size_t i=0; i < outBuffer->frameCount*2; i++){
		outBuffer->s16[i] =
		clamp16((LVM_INT32)outBuffer->s16[i] + (LVM_INT32)inBuffer->s16[i]);
		}
		} else {
		memcpy(outBuffer->raw, inBuffer->raw, outBuffer->frameCountsizeof(LVM_INT16)2);
		}
		}

		return status;
		} /* end Effect_process */