Cross Reference: /frameworks/av/media/libstagefright/codecs/aacenc/src/transform.c

Lines Matching refs:mdctDelayBuffer
397 static void shiftMdctDelayBuffer(Word16 *mdctDelayBuffer, /*! start of mdct delay buffer */
403 	Word16 *srBuf = mdctDelayBuffer;
404 	Word16 *dsBuf = mdctDelayBuffer+FRAME_LEN_LONG;
414 	srBuf = mdctDelayBuffer + BLOCK_SWITCHING_OFFSET-FRAME_LEN_LONG;
462 void Transform_Real(Word16 *mdctDelayBuffer,
487 		delayBufferSf = getScalefactorOfShortVectorStride(mdctDelayBuffer,BLOCK_SWITCHING_OFFSET,1);
492 		dctIn0 = mdctDelayBuffer;
493 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
508 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
511 		dctIn0 = mdctDelayBuffer;
512 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
536 		minSf = getScalefactorOfShortVectorStride(mdctDelayBuffer,BLOCK_SWITCHING_OFFSET,1);
539 		dctIn0 = mdctDelayBuffer;
540 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
554 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
558 			*outData0-- = -mdctDelayBuffer[i] << (15 - 2 + minSf);
562 		dctIn0 = mdctDelayBuffer + LS_TRANS;
563 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1 - LS_TRANS;
586 		delayBufferSf = getScalefactorOfShortVectorStride(mdctDelayBuffer+LS_TRANS,BLOCK_SWITCHING_OFFSET-LS_TRANS,1);
592 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
598 		dctIn0 = mdctDelayBuffer + LS_TRANS;
599 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1 - LS_TRANS;
611 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);
614 		dctIn0 = mdctDelayBuffer;
615 		dctIn1 = mdctDelayBuffer + FRAME_LEN_LONG - 1;
637 		minSf = getScalefactorOfShortVectorStride(mdctDelayBuffer+TRANSFORM_OFFSET_SHORT,9*FRAME_LEN_SHORT,1);
642 			dctIn0 = mdctDelayBuffer+w*FRAME_LEN_SHORT+TRANSFORM_OFFSET_SHORT;
643 			dctIn1 = mdctDelayBuffer+w*FRAME_LEN_SHORT+TRANSFORM_OFFSET_SHORT + FRAME_LEN_SHORT-1;
673 		shiftMdctDelayBuffer(mdctDelayBuffer,timeSignal,chIncrement);